forked from extern/podman-compose
2749 lines
93 KiB
Python
Executable File
2749 lines
93 KiB
Python
Executable File
#! /usr/bin/python3
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# -*- coding: utf-8 -*-
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# https://docs.docker.com/compose/compose-file/#service-configuration-reference
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# https://docs.docker.com/samples/
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# https://docs.docker.com/compose/gettingstarted/
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# https://docs.docker.com/compose/django/
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# https://docs.docker.com/compose/wordpress/
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import sys
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import os
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import getpass
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import argparse
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import itertools
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import subprocess
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import time
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import re
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import hashlib
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import random
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import json
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import glob
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from threading import Thread
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import shlex
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try:
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from shlex import quote as cmd_quote
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except ImportError:
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from pipes import quote as cmd_quote
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# import fnmatch
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# fnmatch.fnmatchcase(env, "*_HOST")
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import yaml
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from dotenv import dotenv_values
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__version__ = "1.0.4"
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script = os.path.realpath(sys.argv[0])
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# helper functions
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is_str = lambda s: isinstance(s, str)
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is_dict = lambda d: isinstance(d, dict)
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is_list = lambda l: not is_str(l) and not is_dict(l) and hasattr(l, "__iter__")
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# identity filter
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filteri = lambda a: filter(lambda i: i, a)
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def try_int(i, fallback=None):
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try:
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return int(i)
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except ValueError:
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pass
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except TypeError:
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pass
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return fallback
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def try_float(i, fallback=None):
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try:
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return float(i)
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except ValueError:
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pass
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except TypeError:
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pass
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return fallback
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def log(*msgs, sep=" ", end="\n"):
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line = (sep.join([str(msg) for msg in msgs])) + end
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sys.stderr.write(line)
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sys.stderr.flush()
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dir_re = re.compile(r"^[~/\.]")
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propagation_re = re.compile(
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"^(?:z|Z|O|U|r?shared|r?slave|r?private|r?unbindable|r?bind|(?:no)?(?:exec|dev|suid))$"
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)
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norm_re = re.compile("[^-_a-z0-9]")
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num_split_re = re.compile(r"(\d+|\D+)")
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PODMAN_CMDS = (
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"pull",
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"push",
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"build",
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"inspect",
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"run",
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"start",
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"stop",
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"rm",
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"volume",
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)
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def ver_as_list(a):
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return [try_int(i, i) for i in num_split_re.findall(a)]
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def strverscmp_lt(a, b):
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a_ls = ver_as_list(a or "")
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b_ls = ver_as_list(b or "")
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return a_ls < b_ls
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def parse_short_mount(mount_str, basedir):
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mount_a = mount_str.split(":")
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mount_opt_dict = {}
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mount_opt = None
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if len(mount_a) == 1:
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# Anonymous: Just specify a path and let the engine creates the volume
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# - /var/lib/mysql
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mount_src, mount_dst = None, mount_str
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elif len(mount_a) == 2:
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mount_src, mount_dst = mount_a
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# dest must start with / like /foo:/var/lib/mysql
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# otherwise it's option like /var/lib/mysql:rw
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if not mount_dst.startswith("/"):
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mount_dst, mount_opt = mount_a
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mount_src = None
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elif len(mount_a) == 3:
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mount_src, mount_dst, mount_opt = mount_a
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else:
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raise ValueError("could not parse mount " + mount_str)
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if mount_src and dir_re.match(mount_src):
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# Specify an absolute path mapping
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# - /opt/data:/var/lib/mysql
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# Path on the host, relative to the Compose file
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# - ./cache:/tmp/cache
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# User-relative path
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# - ~/configs:/etc/configs/:ro
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mount_type = "bind"
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mount_src = os.path.abspath(
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os.path.join(basedir, os.path.expanduser(mount_src))
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)
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else:
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# Named volume
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# - datavolume:/var/lib/mysql
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mount_type = "volume"
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mount_opts = filteri((mount_opt or "").split(","))
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propagation_opts = []
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for opt in mount_opts:
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if opt == "ro":
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mount_opt_dict["read_only"] = True
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elif opt == "rw":
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mount_opt_dict["read_only"] = False
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elif opt in ("consistent", "delegated", "cached"):
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mount_opt_dict["consistency"] = opt
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elif propagation_re.match(opt):
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propagation_opts.append(opt)
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else:
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# TODO: ignore
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raise ValueError("unknown mount option " + opt)
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mount_opt_dict["bind"] = dict(propagation=",".join(propagation_opts))
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return dict(type=mount_type, source=mount_src, target=mount_dst, **mount_opt_dict)
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# NOTE: if a named volume is used but not defined it
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# gives ERROR: Named volume "abc" is used in service "xyz"
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# but no declaration was found in the volumes section.
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# unless it's anonymous-volume
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def fix_mount_dict(compose, mount_dict, proj_name, srv_name):
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"""
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in-place fix mount dictionary to:
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- define _vol to be the corresponding top-level volume
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- if name is missing it would be source prefixed with project
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- if no source it would be generated
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"""
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# if already applied nothing todo
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if "_vol" in mount_dict:
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return mount_dict
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if mount_dict["type"] == "volume":
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vols = compose.vols
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source = mount_dict.get("source", None)
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vol = (vols.get(source, None) or {}) if source else {}
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name = vol.get("name", None)
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mount_dict["_vol"] = vol
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# handle anonymouse or implied volume
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if not source:
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# missing source
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vol["name"] = "_".join(
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[
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proj_name,
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srv_name,
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hashlib.sha256(mount_dict["target"].encode("utf-8")).hexdigest(),
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]
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)
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elif not name:
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external = vol.get("external", None)
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if isinstance(external, dict):
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vol["name"] = external.get("name", f"{source}")
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elif external:
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vol["name"] = f"{source}"
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else:
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vol["name"] = f"{proj_name}_{source}"
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return mount_dict
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# docker and docker-compose support subset of bash variable substitution
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# https://docs.docker.com/compose/compose-file/#variable-substitution
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# https://docs.docker.com/compose/env-file/
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# https://www.gnu.org/software/bash/manual/html_node/Shell-Parameter-Expansion.html
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# $VARIABLE
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# ${VARIABLE}
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# ${VARIABLE:-default} default if not set or empty
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# ${VARIABLE-default} default if not set
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# ${VARIABLE:?err} raise error if not set or empty
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# ${VARIABLE?err} raise error if not set
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# $$ means $
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var_re = re.compile(
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r"""
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\$(?:
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(?P<escaped>\$) |
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(?P<named>[_a-zA-Z][_a-zA-Z0-9]*) |
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(?:{
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(?P<braced>[_a-zA-Z][_a-zA-Z0-9]*)
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(?:(?P<empty>:)?(?:
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(?:-(?P<default>[^}]*)) |
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(?:\?(?P<err>[^}]*))
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))?
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})
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)
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""",
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re.VERBOSE,
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)
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def rec_subs(value, subs_dict):
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"""
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do bash-like substitution in value and if list of dictionary do that recursively
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"""
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if is_dict(value):
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value = {k: rec_subs(v, subs_dict) for k, v in value.items()}
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elif is_str(value):
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def convert(m):
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if m.group("escaped") is not None:
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return "$"
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name = m.group("named") or m.group("braced")
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value = subs_dict.get(name)
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if value == "" and m.group("empty"):
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value = None
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if value is not None:
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return str(value)
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if m.group("err") is not None:
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raise RuntimeError(m.group("err"))
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return m.group("default") or ""
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value = var_re.sub(convert, value)
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elif hasattr(value, "__iter__"):
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value = [rec_subs(i, subs_dict) for i in value]
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return value
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def norm_as_list(src):
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"""
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given a dictionary {key1:value1, key2: None} or list
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return a list of ["key1=value1", "key2"]
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"""
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if src is None:
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dst = []
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elif is_dict(src):
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dst = [(f"{k}={v}" if v is not None else k) for k, v in src.items()]
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elif is_list(src):
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dst = list(src)
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else:
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dst = [src]
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return dst
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def norm_as_dict(src):
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"""
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given a list ["key1=value1", "key2"]
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return a dictionary {key1:value1, key2: None}
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"""
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if src is None:
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dst = {}
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elif is_dict(src):
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dst = dict(src)
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elif is_list(src):
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dst = [i.split("=", 1) for i in src if i]
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dst = [(a if len(a) == 2 else (a[0], None)) for a in dst]
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dst = dict(dst)
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elif is_str(src):
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key, value = src.split("=", 1) if "=" in src else (src, None)
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dst = {key: value}
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else:
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raise ValueError("dictionary or iterable is expected")
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return dst
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def norm_ulimit(inner_value):
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if is_dict(inner_value):
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if not inner_value.keys() & {"soft", "hard"}:
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raise ValueError("expected at least one soft or hard limit")
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soft = inner_value.get("soft", inner_value.get("hard", None))
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hard = inner_value.get("hard", inner_value.get("soft", None))
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return f"{soft}:{hard}"
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if is_list(inner_value):
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return norm_ulimit(norm_as_dict(inner_value))
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# if int or string return as is
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return inner_value
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# def tr_identity(project_name, given_containers):
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# pod_name = f'pod_{project_name}'
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# pod = dict(name=pod_name)
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# containers = []
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# for cnt in given_containers:
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# containers.append(dict(cnt, pod=pod_name))
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# return [pod], containers
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def transform(args, project_name, given_containers):
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if args.no_pod:
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pod_name = None
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pods = []
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else:
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pod_name = f"pod_{project_name}"
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pod = dict(name=pod_name)
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pods = [pod]
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containers = []
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for cnt in given_containers:
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containers.append(dict(cnt, pod=pod_name))
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return pods, containers
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def assert_volume(compose, mount_dict):
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"""
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inspect volume to get directory
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create volume if needed
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"""
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vol = mount_dict.get("_vol", None)
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if mount_dict["type"] == "bind":
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basedir = os.path.realpath(compose.dirname)
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mount_src = mount_dict["source"]
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mount_src = os.path.realpath(
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os.path.join(basedir, os.path.expanduser(mount_src))
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)
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if not os.path.exists(mount_src):
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try:
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os.makedirs(mount_src, exist_ok=True)
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except OSError:
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pass
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return
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if mount_dict["type"] != "volume" or not vol or not vol.get("name", None):
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return
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proj_name = compose.project_name
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vol_name = vol["name"]
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is_ext = vol.get("external", None)
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log(f"podman volume inspect {vol_name} || podman volume create {vol_name}")
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# TODO: might move to using "volume list"
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# podman volume list --format '{{.Name}}\t{{.MountPoint}}' -f 'label=io.podman.compose.project=HERE'
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try:
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_ = compose.podman.output([], "volume", ["inspect", vol_name]).decode("utf-8")
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except subprocess.CalledProcessError as e:
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if is_ext:
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raise RuntimeError(f"External volume [{vol_name}] does not exists") from e
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labels = vol.get("labels", None) or []
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args = [
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"create",
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"--label",
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f"io.podman.compose.project={proj_name}",
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"--label",
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f"com.docker.compose.project={proj_name}",
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]
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for item in norm_as_list(labels):
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args.extend(["--label", item])
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driver = vol.get("driver", None)
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if driver:
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args.extend(["--driver", driver])
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driver_opts = vol.get("driver_opts", None) or {}
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for opt, value in driver_opts.items():
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args.extend(["--opt", f"{opt}={value}"])
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args.append(vol_name)
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compose.podman.output([], "volume", args)
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_ = compose.podman.output([], "volume", ["inspect", vol_name]).decode("utf-8")
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def mount_desc_to_mount_args(
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compose, mount_desc, srv_name, cnt_name
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): # pylint: disable=unused-argument
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mount_type = mount_desc.get("type", None)
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vol = mount_desc.get("_vol", None) if mount_type == "volume" else None
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source = vol["name"] if vol else mount_desc.get("source", None)
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target = mount_desc["target"]
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opts = []
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if mount_desc.get(mount_type, None):
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# TODO: we might need to add mount_dict[mount_type]["propagation"] = "z"
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mount_prop = mount_desc.get(mount_type, {}).get("propagation", None)
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if mount_prop:
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opts.append(f"{mount_type}-propagation={mount_prop}")
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if mount_desc.get("read_only", False):
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opts.append("ro")
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if mount_type == "tmpfs":
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tmpfs_opts = mount_desc.get("tmpfs", {})
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tmpfs_size = tmpfs_opts.get("size", None)
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if tmpfs_size:
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opts.append(f"tmpfs-size={tmpfs_size}")
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tmpfs_mode = tmpfs_opts.get("mode", None)
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if tmpfs_mode:
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opts.append(f"tmpfs-mode={tmpfs_mode}")
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opts = ",".join(opts)
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if mount_type == "bind":
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return f"type=bind,source={source},destination={target},{opts}".rstrip(",")
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if mount_type == "volume":
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return f"type=volume,source={source},destination={target},{opts}".rstrip(",")
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if mount_type == "tmpfs":
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return f"type=tmpfs,destination={target},{opts}".rstrip(",")
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raise ValueError("unknown mount type:" + mount_type)
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def container_to_ulimit_args(cnt, podman_args):
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ulimit = cnt.get("ulimits", [])
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if ulimit is not None:
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# ulimit can be a single value, i.e. ulimit: host
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if is_str(ulimit):
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podman_args.extend(["--ulimit", ulimit])
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# or a dictionary or list:
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else:
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ulimit = norm_as_dict(ulimit)
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ulimit = [
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"{}={}".format(ulimit_key, norm_ulimit(inner_value))
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for ulimit_key, inner_value in ulimit.items()
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]
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for i in ulimit:
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podman_args.extend(["--ulimit", i])
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def mount_desc_to_volume_args(
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compose, mount_desc, srv_name, cnt_name
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): # pylint: disable=unused-argument
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mount_type = mount_desc["type"]
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if mount_type not in ("bind", "volume"):
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raise ValueError("unknown mount type:" + mount_type)
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vol = mount_desc.get("_vol", None) if mount_type == "volume" else None
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source = vol["name"] if vol else mount_desc.get("source", None)
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if not source:
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raise ValueError(f"missing mount source for {mount_type} on {srv_name}")
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target = mount_desc["target"]
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opts = []
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propagations = set(
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filteri(mount_desc.get(mount_type, {}).get("propagation", "").split(","))
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)
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if mount_type != "bind":
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propagations.update(
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filteri(mount_desc.get("bind", {}).get("propagation", "").split(","))
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)
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opts.extend(propagations)
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# --volume, -v[=[[SOURCE-VOLUME|HOST-DIR:]CONTAINER-DIR[:OPTIONS]]]
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# [rw|ro]
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# [z|Z]
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# [[r]shared|[r]slave|[r]private]|[r]unbindable
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# [[r]bind]
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# [noexec|exec]
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# [nodev|dev]
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# [nosuid|suid]
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# [O]
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# [U]
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read_only = mount_desc.get("read_only", None)
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if read_only is not None:
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opts.append("ro" if read_only else "rw")
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args = f"{source}:{target}"
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if opts:
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args += ":" + ",".join(opts)
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return args
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def get_mnt_dict(compose, cnt, volume):
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proj_name = compose.project_name
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srv_name = cnt["_service"]
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basedir = compose.dirname
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if is_str(volume):
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volume = parse_short_mount(volume, basedir)
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return fix_mount_dict(compose, volume, proj_name, srv_name)
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def get_mount_args(compose, cnt, volume):
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volume = get_mnt_dict(compose, cnt, volume)
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# proj_name = compose.project_name
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srv_name = cnt["_service"]
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mount_type = volume["type"]
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assert_volume(compose, volume)
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if compose.prefer_volume_over_mount:
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if mount_type == "tmpfs":
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# TODO: --tmpfs /tmp:rw,size=787448k,mode=1777
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args = volume["target"]
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tmpfs_opts = volume.get("tmpfs", {})
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opts = []
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size = tmpfs_opts.get("size", None)
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if size:
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opts.append(f"size={size}")
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|
mode = tmpfs_opts.get("mode", None)
|
|
if mode:
|
|
opts.append(f"mode={mode}")
|
|
if opts:
|
|
args += ":" + ",".join(opts)
|
|
return ["--tmpfs", args]
|
|
args = mount_desc_to_volume_args(compose, volume, srv_name, cnt["name"])
|
|
return ["-v", args]
|
|
args = mount_desc_to_mount_args(compose, volume, srv_name, cnt["name"])
|
|
return ["--mount", args]
|
|
|
|
|
|
def get_secret_args(compose, cnt, secret):
|
|
secret_name = secret if is_str(secret) else secret.get("source", None)
|
|
if not secret_name or secret_name not in compose.declared_secrets.keys():
|
|
raise ValueError(
|
|
f'ERROR: undeclared secret: "{secret}", service: {cnt["_service"]}'
|
|
)
|
|
declared_secret = compose.declared_secrets[secret_name]
|
|
|
|
source_file = declared_secret.get("file", None)
|
|
dest_file = ""
|
|
secret_opts = ""
|
|
|
|
target = None if is_str(secret) else secret.get("target", None)
|
|
uid = None if is_str(secret) else secret.get("uid", None)
|
|
gid = None if is_str(secret) else secret.get("gid", None)
|
|
mode = None if is_str(secret) else secret.get("mode", None)
|
|
|
|
if source_file:
|
|
if not target:
|
|
dest_file = f"/run/secrets/{secret_name}"
|
|
elif not target.startswith("/"):
|
|
sec = target if target else secret_name
|
|
dest_file = f"/run/secrets/{sec}"
|
|
else:
|
|
dest_file = target
|
|
basedir = compose.dirname
|
|
source_file = os.path.realpath(
|
|
os.path.join(basedir, os.path.expanduser(source_file))
|
|
)
|
|
volume_ref = ["--volume", f"{source_file}:{dest_file}:ro,rprivate,rbind"]
|
|
if uid or gid or mode:
|
|
sec = target if target else secret_name
|
|
log(
|
|
f'WARNING: Service {cnt["_service"]} uses secret "{sec}" with uid, gid, or mode.'
|
|
+ " These fields are not supported by this implementation of the Compose file"
|
|
)
|
|
return volume_ref
|
|
# v3.5 and up added external flag, earlier the spec
|
|
# only required a name to be specified.
|
|
# docker-compose does not support external secrets outside of swarm mode.
|
|
# However accessing these via podman is trivial
|
|
# since these commands are directly translated to
|
|
# podman-create commands, albiet we can only support a 1:1 mapping
|
|
# at the moment
|
|
if declared_secret.get("external", False) or declared_secret.get("name", None):
|
|
secret_opts += f",uid={uid}" if uid else ""
|
|
secret_opts += f",gid={gid}" if gid else ""
|
|
secret_opts += f",mode={mode}" if mode else ""
|
|
# The target option is only valid for type=env,
|
|
# which in an ideal world would work
|
|
# for type=mount as well.
|
|
# having a custom name for the external secret
|
|
# has the same problem as well
|
|
ext_name = declared_secret.get("name", None)
|
|
err_str = 'ERROR: Custom name/target reference "{}" for mounted external secret "{}" is not supported'
|
|
if ext_name and ext_name != secret_name:
|
|
raise ValueError(err_str.format(secret_name, ext_name))
|
|
if target and target != secret_name:
|
|
raise ValueError(err_str.format(target, secret_name))
|
|
if target:
|
|
log(
|
|
'WARNING: Service "{}" uses target: "{}" for secret: "{}".'.format(
|
|
cnt["_service"], target, secret_name
|
|
)
|
|
+ " That is un-supported and a no-op and is ignored."
|
|
)
|
|
return ["--secret", "{}{}".format(secret_name, secret_opts)]
|
|
|
|
raise ValueError(
|
|
'ERROR: unparseable secret: "{}", service: "{}"'.format(
|
|
secret_name, cnt["_service"]
|
|
)
|
|
)
|
|
|
|
|
|
def container_to_res_args(cnt, podman_args):
|
|
# v2: https://docs.docker.com/compose/compose-file/compose-file-v2/#cpu-and-other-resources
|
|
# cpus, cpu_shares, mem_limit, mem_reservation
|
|
cpus_limit_v2 = try_float(cnt.get("cpus", None), None)
|
|
cpu_shares_v2 = try_int(cnt.get("cpu_shares", None), None)
|
|
mem_limit_v2 = cnt.get("mem_limit", None)
|
|
mem_res_v2 = cnt.get("mem_reservation", None)
|
|
# v3: https://docs.docker.com/compose/compose-file/compose-file-v3/#resources
|
|
# spec: https://github.com/compose-spec/compose-spec/blob/master/deploy.md#resources
|
|
# deploy.resources.{limits,reservations}.{cpus, memory}
|
|
deploy = cnt.get("deploy", None) or {}
|
|
res = deploy.get("resources", None) or {}
|
|
limits = res.get("limits", None) or {}
|
|
cpus_limit_v3 = try_float(limits.get("cpus", None), None)
|
|
mem_limit_v3 = limits.get("memory", None)
|
|
reservations = res.get("reservations", None) or {}
|
|
# cpus_res_v3 = try_float(reservations.get('cpus', None), None)
|
|
mem_res_v3 = reservations.get("memory", None)
|
|
# add args
|
|
cpus = cpus_limit_v3 or cpus_limit_v2
|
|
if cpus:
|
|
podman_args.extend(
|
|
(
|
|
"--cpus",
|
|
str(cpus),
|
|
)
|
|
)
|
|
if cpu_shares_v2:
|
|
podman_args.extend(
|
|
(
|
|
"--cpu-shares",
|
|
str(cpu_shares_v2),
|
|
)
|
|
)
|
|
mem = mem_limit_v3 or mem_limit_v2
|
|
if mem:
|
|
podman_args.extend(
|
|
(
|
|
"-m",
|
|
str(mem).lower(),
|
|
)
|
|
)
|
|
mem_res = mem_res_v3 or mem_res_v2
|
|
if mem_res:
|
|
podman_args.extend(
|
|
(
|
|
"--memory-reservation",
|
|
str(mem_res).lower(),
|
|
)
|
|
)
|
|
|
|
|
|
def port_dict_to_str(port_desc):
|
|
# NOTE: `mode: host|ingress` is ignored
|
|
cnt_port = port_desc.get("target", None)
|
|
published = port_desc.get("published", None) or ""
|
|
host_ip = port_desc.get("host_ip", None)
|
|
protocol = port_desc.get("protocol", None) or "tcp"
|
|
if not cnt_port:
|
|
raise ValueError("target container port must be specified")
|
|
if host_ip:
|
|
ret = f"{host_ip}:{published}:{cnt_port}"
|
|
else:
|
|
ret = f"{published}:{cnt_port}" if published else f"{cnt_port}"
|
|
if protocol != "tcp":
|
|
ret += f"/{protocol}"
|
|
return ret
|
|
|
|
|
|
def norm_ports(ports_in):
|
|
if not ports_in:
|
|
ports_in = []
|
|
if isinstance(ports_in, str):
|
|
ports_in = [ports_in]
|
|
ports_out = []
|
|
for port in ports_in:
|
|
if isinstance(port, dict):
|
|
port = port_dict_to_str(port)
|
|
elif isinstance(port, int):
|
|
port = str(port)
|
|
elif not isinstance(port, str):
|
|
raise TypeError("port should be either string or dict")
|
|
ports_out.append(port)
|
|
return ports_out
|
|
|
|
|
|
def assert_cnt_nets(compose, cnt):
|
|
"""
|
|
create missing networks
|
|
"""
|
|
net = cnt.get("network_mode", None)
|
|
if net and not net.startswith("bridge"):
|
|
return
|
|
proj_name = compose.project_name
|
|
nets = compose.networks
|
|
default_net = compose.default_net
|
|
cnt_nets = cnt.get("networks", None)
|
|
if cnt_nets and is_dict(cnt_nets):
|
|
cnt_nets = list(cnt_nets.keys())
|
|
cnt_nets = norm_as_list(cnt_nets or default_net)
|
|
for net in cnt_nets:
|
|
net_desc = nets[net] or {}
|
|
is_ext = net_desc.get("external", None)
|
|
ext_desc = is_ext if is_dict(is_ext) else {}
|
|
default_net_name = net if is_ext else f"{proj_name}_{net}"
|
|
net_name = (
|
|
ext_desc.get("name", None) or net_desc.get("name", None) or default_net_name
|
|
)
|
|
try:
|
|
compose.podman.output([], "network", ["exists", net_name])
|
|
except subprocess.CalledProcessError as e:
|
|
if is_ext:
|
|
raise RuntimeError(
|
|
f"External network [{net_name}] does not exists"
|
|
) from e
|
|
args = [
|
|
"create",
|
|
"--label",
|
|
f"io.podman.compose.project={proj_name}",
|
|
"--label",
|
|
f"com.docker.compose.project={proj_name}",
|
|
]
|
|
# TODO: add more options here, like driver, internal, ..etc
|
|
labels = net_desc.get("labels", None) or []
|
|
for item in norm_as_list(labels):
|
|
args.extend(["--label", item])
|
|
if net_desc.get("internal", None):
|
|
args.append("--internal")
|
|
driver = net_desc.get("driver", None)
|
|
if driver:
|
|
args.extend(("--driver", driver))
|
|
driver_opts = net_desc.get("driver_opts", None) or {}
|
|
for key, value in driver_opts.items():
|
|
args.extend(("--opt", f"{key}={value}"))
|
|
ipam_config_ls = (net_desc.get("ipam", None) or {}).get(
|
|
"config", None
|
|
) or []
|
|
if is_dict(ipam_config_ls):
|
|
ipam_config_ls = [ipam_config_ls]
|
|
for ipam in ipam_config_ls:
|
|
subnet = ipam.get("subnet", None)
|
|
ip_range = ipam.get("ip_range", None)
|
|
gateway = ipam.get("gateway", None)
|
|
if subnet:
|
|
args.extend(("--subnet", subnet))
|
|
if ip_range:
|
|
args.extend(("--ip-range", ip_range))
|
|
if gateway:
|
|
args.extend(("--gateway", gateway))
|
|
args.append(net_name)
|
|
compose.podman.output([], "network", args)
|
|
compose.podman.output([], "network", ["exists", net_name])
|
|
|
|
|
|
def get_net_args(compose, cnt):
|
|
service_name = cnt["service_name"]
|
|
net_args = []
|
|
mac_address = cnt.get("mac_address", None)
|
|
if mac_address:
|
|
net_args.extend(["--mac_address", mac_address])
|
|
net = cnt.get("network_mode", None)
|
|
if net:
|
|
if net == "host":
|
|
net_args.extend(["--network", net])
|
|
elif net.startswith("slirp4netns:"):
|
|
net_args.extend(["--network", net])
|
|
elif net.startswith("service:"):
|
|
other_srv = net.split(":", 1)[1].strip()
|
|
other_cnt = compose.container_names_by_service[other_srv][0]
|
|
net_args.extend(["--network", f"container:{other_cnt}"])
|
|
elif net.startswith("container:"):
|
|
other_cnt = net.split(":", 1)[1].strip()
|
|
net_args.extend(["--network", f"container:{other_cnt}"])
|
|
else:
|
|
print(f"unknown network_mode [{net}]")
|
|
exit(1)
|
|
proj_name = compose.project_name
|
|
default_net = compose.default_net
|
|
nets = compose.networks
|
|
cnt_nets = cnt.get("networks", None)
|
|
aliases = [service_name]
|
|
# NOTE: from podman manpage:
|
|
# NOTE: A container will only have access to aliases on the first network that it joins. This is a limitation that will be removed in a later release.
|
|
ip = None
|
|
if cnt_nets and is_dict(cnt_nets):
|
|
# cnt_nets is {net_key: net_value, ...}
|
|
for net_value in cnt_nets.values():
|
|
aliases.extend(norm_as_list(net_value.get("aliases", None)))
|
|
if ip:
|
|
continue
|
|
ip = net_value.get("ipv4_address", None)
|
|
cnt_nets = list(cnt_nets.keys())
|
|
cnt_nets = norm_as_list(cnt_nets or default_net)
|
|
net_names = set()
|
|
for net in cnt_nets:
|
|
net_desc = nets[net] or {}
|
|
is_ext = net_desc.get("external", None)
|
|
ext_desc = is_ext if is_dict(is_ext) else {}
|
|
default_net_name = net if is_ext else f"{proj_name}_{net}"
|
|
net_name = (
|
|
ext_desc.get("name", None) or net_desc.get("name", None) or default_net_name
|
|
)
|
|
net_names.add(net_name)
|
|
net_names_str = ",".join(net_names)
|
|
net_args.extend(["--net", net_names_str, "--network-alias", ",".join(aliases)])
|
|
if ip:
|
|
net_args.append(f"--ip={ip}")
|
|
return net_args
|
|
|
|
|
|
def container_to_args(compose, cnt, detached=True):
|
|
# TODO: double check -e , --add-host, -v, --read-only
|
|
dirname = compose.dirname
|
|
pod = cnt.get("pod", None) or ""
|
|
name = cnt["name"]
|
|
podman_args = [f"--name={name}"]
|
|
|
|
if detached:
|
|
podman_args.append("-d")
|
|
|
|
if pod:
|
|
podman_args.append(f"--pod={pod}")
|
|
deps = []
|
|
for dep_srv in cnt.get("_deps", None) or []:
|
|
deps.extend(compose.container_names_by_service.get(dep_srv, None) or [])
|
|
if deps:
|
|
deps_csv = ",".join(deps)
|
|
podman_args.append(f"--requires={deps_csv}")
|
|
sec = norm_as_list(cnt.get("security_opt", None))
|
|
for sec_item in sec:
|
|
podman_args.extend(["--security-opt", sec_item])
|
|
ann = norm_as_list(cnt.get("annotations", None))
|
|
for a in ann:
|
|
podman_args.extend(["--annotation", a])
|
|
if cnt.get("read_only", None):
|
|
podman_args.append("--read-only")
|
|
for i in cnt.get("labels", []):
|
|
podman_args.extend(["--label", i])
|
|
for c in cnt.get("cap_add", []):
|
|
podman_args.extend(["--cap-add", c])
|
|
for c in cnt.get("cap_drop", []):
|
|
podman_args.extend(["--cap-drop", c])
|
|
for item in cnt.get("devices", []):
|
|
podman_args.extend(["--device", item])
|
|
for item in norm_as_list(cnt.get("dns", None)):
|
|
podman_args.extend(["--dns", item])
|
|
for item in norm_as_list(cnt.get("dns_opt", None)):
|
|
podman_args.extend(["--dns-opt", item])
|
|
for item in norm_as_list(cnt.get("dns_search", None)):
|
|
podman_args.extend(["--dns-search", item])
|
|
env_file = cnt.get("env_file", [])
|
|
if is_str(env_file):
|
|
env_file = [env_file]
|
|
for i in env_file:
|
|
i = os.path.realpath(os.path.join(dirname, i))
|
|
podman_args.extend(["--env-file", i])
|
|
env = norm_as_list(cnt.get("environment", {}))
|
|
for e in env:
|
|
podman_args.extend(["-e", e])
|
|
tmpfs_ls = cnt.get("tmpfs", [])
|
|
if is_str(tmpfs_ls):
|
|
tmpfs_ls = [tmpfs_ls]
|
|
for i in tmpfs_ls:
|
|
podman_args.extend(["--tmpfs", i])
|
|
for volume in cnt.get("volumes", []):
|
|
podman_args.extend(get_mount_args(compose, cnt, volume))
|
|
|
|
assert_cnt_nets(compose, cnt)
|
|
podman_args.extend(get_net_args(compose, cnt))
|
|
|
|
logging = cnt.get("logging", None)
|
|
if logging is not None:
|
|
podman_args.append(f'--log-driver={logging.get("driver", "k8s-file")}')
|
|
log_opts = logging.get("options") or {}
|
|
podman_args += [f"--log-opt={name}={value}" for name, value in log_opts.items()]
|
|
for secret in cnt.get("secrets", []):
|
|
podman_args.extend(get_secret_args(compose, cnt, secret))
|
|
for i in cnt.get("extra_hosts", []):
|
|
podman_args.extend(["--add-host", i])
|
|
for i in cnt.get("expose", []):
|
|
podman_args.extend(["--expose", i])
|
|
if cnt.get("publishall", None):
|
|
podman_args.append("-P")
|
|
ports = cnt.get("ports", None) or []
|
|
if isinstance(ports, str):
|
|
ports = [ports]
|
|
for port in ports:
|
|
if isinstance(port, dict):
|
|
port = port_dict_to_str(port)
|
|
elif not isinstance(port, str):
|
|
raise TypeError("port should be either string or dict")
|
|
podman_args.extend(["-p", port])
|
|
|
|
userns_mode = cnt.get("userns_mode", None)
|
|
if userns_mode is not None:
|
|
podman_args.extend(["--userns", userns_mode])
|
|
|
|
user = cnt.get("user", None)
|
|
if user is not None:
|
|
podman_args.extend(["-u", user])
|
|
if cnt.get("working_dir", None) is not None:
|
|
podman_args.extend(["-w", cnt["working_dir"]])
|
|
if cnt.get("hostname", None):
|
|
podman_args.extend(["--hostname", cnt["hostname"]])
|
|
if cnt.get("shm_size", None):
|
|
podman_args.extend(["--shm-size", str(cnt["shm_size"])])
|
|
if cnt.get("stdin_open", None):
|
|
podman_args.append("-i")
|
|
if cnt.get("stop_signal", None):
|
|
podman_args.extend(["--stop-signal", cnt["stop_signal"]])
|
|
for i in cnt.get("sysctls", []):
|
|
podman_args.extend(["--sysctl", i])
|
|
if cnt.get("tty", None):
|
|
podman_args.append("--tty")
|
|
if cnt.get("privileged", None):
|
|
podman_args.append("--privileged")
|
|
pull_policy = cnt.get("pull_policy", None)
|
|
if pull_policy is not None and pull_policy != "build":
|
|
podman_args.extend(["--pull", pull_policy])
|
|
if cnt.get("restart", None) is not None:
|
|
podman_args.extend(["--restart", cnt["restart"]])
|
|
container_to_ulimit_args(cnt, podman_args)
|
|
container_to_res_args(cnt, podman_args)
|
|
# currently podman shipped by fedora does not package this
|
|
if cnt.get("init", None):
|
|
podman_args.append("--init")
|
|
if cnt.get("init-path", None):
|
|
podman_args.extend(["--init-path", cnt["init-path"]])
|
|
entrypoint = cnt.get("entrypoint", None)
|
|
if entrypoint is not None:
|
|
if is_str(entrypoint):
|
|
entrypoint = shlex.split(entrypoint)
|
|
podman_args.extend(["--entrypoint", json.dumps(entrypoint)])
|
|
platform = cnt.get("platform", None)
|
|
if platform is not None:
|
|
podman_args.extend(["--platform", platform])
|
|
# WIP: healthchecks are still work in progress
|
|
healthcheck = cnt.get("healthcheck", None) or {}
|
|
if not is_dict(healthcheck):
|
|
raise ValueError("'healthcheck' must be an key-value mapping")
|
|
healthcheck_test = healthcheck.get("test", None)
|
|
if healthcheck_test:
|
|
# If it's a string, it's equivalent to specifying CMD-SHELL
|
|
if is_str(healthcheck_test):
|
|
# podman does not add shell to handle command with whitespace
|
|
podman_args.extend(
|
|
["--healthcheck-command", "/bin/sh -c " + cmd_quote(healthcheck_test)]
|
|
)
|
|
elif is_list(healthcheck_test):
|
|
healthcheck_test = healthcheck_test.copy()
|
|
# If it's a list, first item is either NONE, CMD or CMD-SHELL.
|
|
healthcheck_type = healthcheck_test.pop(0)
|
|
if healthcheck_type == "NONE":
|
|
podman_args.append("--no-healthcheck")
|
|
elif healthcheck_type == "CMD":
|
|
cmd_q = "' '".join([cmd_quote(i) for i in healthcheck_test])
|
|
podman_args.extend(["--healthcheck-command", "/bin/sh -c " + cmd_q])
|
|
elif healthcheck_type == "CMD-SHELL":
|
|
if len(healthcheck_test) != 1:
|
|
raise ValueError("'CMD_SHELL' takes a single string after it")
|
|
cmd_q = cmd_quote(healthcheck_test[0])
|
|
podman_args.extend(["--healthcheck-command", "/bin/sh -c " + cmd_q])
|
|
else:
|
|
raise ValueError(
|
|
f"unknown healthcheck test type [{healthcheck_type}],\
|
|
expecting NONE, CMD or CMD-SHELL."
|
|
)
|
|
else:
|
|
raise ValueError("'healthcheck.test' either a string or a list")
|
|
|
|
# interval, timeout and start_period are specified as durations.
|
|
if "interval" in healthcheck:
|
|
podman_args.extend(["--healthcheck-interval", healthcheck["interval"]])
|
|
if "timeout" in healthcheck:
|
|
podman_args.extend(["--healthcheck-timeout", healthcheck["timeout"]])
|
|
if "start_period" in healthcheck:
|
|
podman_args.extend(["--healthcheck-start-period", healthcheck["start_period"]])
|
|
|
|
# convert other parameters to string
|
|
if "retries" in healthcheck:
|
|
podman_args.extend(["--healthcheck-retries", str(healthcheck["retries"])])
|
|
|
|
podman_args.append(cnt["image"]) # command, ..etc.
|
|
command = cnt.get("command", None)
|
|
if command is not None:
|
|
if is_str(command):
|
|
podman_args.extend(shlex.split(command))
|
|
else:
|
|
podman_args.extend([str(i) for i in command])
|
|
return podman_args
|
|
|
|
|
|
def rec_deps(services, service_name, start_point=None):
|
|
"""
|
|
return all dependencies of service_name recursively
|
|
"""
|
|
if not start_point:
|
|
start_point = service_name
|
|
deps = services[service_name]["_deps"]
|
|
for dep_name in deps.copy():
|
|
# avoid A depens on A
|
|
if dep_name == service_name:
|
|
continue
|
|
dep_srv = services.get(dep_name, None)
|
|
if not dep_srv:
|
|
continue
|
|
# NOTE: avoid creating loops, A->B->A
|
|
if start_point and start_point in dep_srv["_deps"]:
|
|
continue
|
|
new_deps = rec_deps(services, dep_name, start_point)
|
|
deps.update(new_deps)
|
|
return deps
|
|
|
|
|
|
def flat_deps(services, with_extends=False):
|
|
"""
|
|
create dependencies "_deps" or update it recursively for all services
|
|
"""
|
|
for name, srv in services.items():
|
|
deps = set()
|
|
srv["_deps"] = deps
|
|
if with_extends:
|
|
ext = srv.get("extends", {}).get("service", None)
|
|
if ext:
|
|
if ext != name:
|
|
deps.add(ext)
|
|
continue
|
|
deps_ls = srv.get("depends_on", None) or []
|
|
if is_str(deps_ls):
|
|
deps_ls = [deps_ls]
|
|
elif is_dict(deps_ls):
|
|
deps_ls = list(deps_ls.keys())
|
|
deps.update(deps_ls)
|
|
# parse link to get service name and remove alias
|
|
links_ls = srv.get("links", None) or []
|
|
if not is_list(links_ls):
|
|
links_ls = [links_ls]
|
|
deps.update([(c.split(":")[0] if ":" in c else c) for c in links_ls])
|
|
for name, srv in services.items():
|
|
rec_deps(services, name)
|
|
|
|
|
|
###################
|
|
# podman and compose classes
|
|
###################
|
|
|
|
|
|
class Podman:
|
|
def __init__(self, compose, podman_path="podman", dry_run=False):
|
|
self.compose = compose
|
|
self.podman_path = podman_path
|
|
self.dry_run = dry_run
|
|
|
|
def output(self, podman_args, cmd="", cmd_args=None):
|
|
cmd_args = cmd_args or []
|
|
xargs = self.compose.get_podman_args(cmd) if cmd else []
|
|
cmd_ls = [self.podman_path, *podman_args, cmd] + xargs + cmd_args
|
|
log(cmd_ls)
|
|
return subprocess.check_output(cmd_ls)
|
|
|
|
def exec(
|
|
self,
|
|
podman_args,
|
|
cmd="",
|
|
cmd_args=None,
|
|
):
|
|
cmd_args = list(map(str, cmd_args or []))
|
|
xargs = self.compose.get_podman_args(cmd) if cmd else []
|
|
cmd_ls = [self.podman_path, *podman_args, cmd] + xargs + cmd_args
|
|
log(" ".join([str(i) for i in cmd_ls]))
|
|
os.execlp(self.podman_path, *cmd_ls)
|
|
|
|
def run(
|
|
self,
|
|
podman_args,
|
|
cmd="",
|
|
cmd_args=None,
|
|
wait=True,
|
|
sleep=1,
|
|
obj=None,
|
|
log_formatter=None,
|
|
):
|
|
if obj is not None:
|
|
obj.exit_code = None
|
|
cmd_args = list(map(str, cmd_args or []))
|
|
xargs = self.compose.get_podman_args(cmd) if cmd else []
|
|
cmd_ls = [self.podman_path, *podman_args, cmd] + xargs + cmd_args
|
|
log(" ".join([str(i) for i in cmd_ls]))
|
|
if self.dry_run:
|
|
return None
|
|
# subprocess.Popen(args, bufsize = 0, executable = None, stdin = None, stdout = None, stderr = None, preexec_fn = None, close_fds = False, shell = False, cwd = None, env = None, universal_newlines = False, startupinfo = None, creationflags = 0)
|
|
if log_formatter is not None:
|
|
# Pipe podman process output through log_formatter (which can add colored prefix)
|
|
p = subprocess.Popen(
|
|
cmd_ls, stdout=subprocess.PIPE
|
|
) # pylint: disable=consider-using-with
|
|
_ = subprocess.Popen(
|
|
log_formatter, stdin=p.stdout
|
|
) # pylint: disable=consider-using-with
|
|
p.stdout.close() # Allow p_process to receive a SIGPIPE if logging process exits.
|
|
else:
|
|
p = subprocess.Popen(cmd_ls) # pylint: disable=consider-using-with
|
|
|
|
if wait:
|
|
exit_code = p.wait()
|
|
log("exit code:", exit_code)
|
|
if obj is not None:
|
|
obj.exit_code = exit_code
|
|
|
|
if sleep:
|
|
time.sleep(sleep)
|
|
return p
|
|
|
|
def volume_ls(self, proj=None):
|
|
if not proj:
|
|
proj = self.compose.project_name
|
|
output = self.output(
|
|
[],
|
|
"volume",
|
|
[
|
|
"ls",
|
|
"--noheading",
|
|
"--filter",
|
|
f"label=io.podman.compose.project={proj}",
|
|
"--format",
|
|
"{{.Name}}",
|
|
],
|
|
).decode("utf-8")
|
|
volumes = output.splitlines()
|
|
return volumes
|
|
|
|
|
|
def normalize_service(service, sub_dir=""):
|
|
# make `build.context` relative to sub_dir
|
|
# TODO: should we make volume and secret relative too?
|
|
if sub_dir and "build" in service:
|
|
build = service["build"]
|
|
context = build if is_str(build) else build.get("context", None)
|
|
context = context or ""
|
|
if context or sub_dir:
|
|
if context.startswith("./"):
|
|
context = context[2:]
|
|
if sub_dir:
|
|
context = os.path.join(sub_dir, context)
|
|
context = context.rstrip("/")
|
|
if not context:
|
|
context = "."
|
|
if is_str(build):
|
|
service["build"] = context
|
|
else:
|
|
service["build"]["context"] = context
|
|
for key in ("env_file", "security_opt", "volumes"):
|
|
if key not in service:
|
|
continue
|
|
if is_str(service[key]):
|
|
service[key] = [service[key]]
|
|
if "security_opt" in service:
|
|
sec_ls = service["security_opt"]
|
|
for ix, item in enumerate(sec_ls):
|
|
if item in ("seccomp:unconfined", "apparmor:unconfined"):
|
|
sec_ls[ix] = item.replace(":", "=")
|
|
for key in ("environment", "labels"):
|
|
if key not in service:
|
|
continue
|
|
service[key] = norm_as_dict(service[key])
|
|
if "extends" in service:
|
|
extends = service["extends"]
|
|
if is_str(extends):
|
|
extends = {"service": extends}
|
|
service["extends"] = extends
|
|
return service
|
|
|
|
|
|
def normalize(compose):
|
|
"""
|
|
convert compose dict of some keys from string or dicts into arrays
|
|
"""
|
|
services = compose.get("services", None) or {}
|
|
for service in services.values():
|
|
normalize_service(service)
|
|
return compose
|
|
|
|
|
|
def clone(value):
|
|
return value.copy() if is_list(value) or is_dict(value) else value
|
|
|
|
|
|
def rec_merge_one(target, source):
|
|
"""
|
|
update target from source recursively
|
|
"""
|
|
done = set()
|
|
for key, value in source.items():
|
|
if key in target:
|
|
continue
|
|
target[key] = clone(value)
|
|
done.add(key)
|
|
for key, value in target.items():
|
|
if key in done:
|
|
continue
|
|
if key not in source:
|
|
continue
|
|
value2 = source[key]
|
|
if key == "command":
|
|
target[key] = clone(value2)
|
|
continue
|
|
if not isinstance(value2, type(value)):
|
|
value_type = type(value)
|
|
value2_type = type(value2)
|
|
raise ValueError(
|
|
f"can't merge value of {key} of type {value_type} and {value2_type}"
|
|
)
|
|
if is_list(value2):
|
|
if key == "volumes":
|
|
# clean duplicate mount targets
|
|
pts = {v.split(":", 1)[1] for v in value2 if ":" in v}
|
|
del_ls = [
|
|
ix
|
|
for (ix, v) in enumerate(value)
|
|
if ":" in v and v.split(":", 1)[1] in pts
|
|
]
|
|
for ix in reversed(del_ls):
|
|
del value[ix]
|
|
value.extend(value2)
|
|
else:
|
|
value.extend(value2)
|
|
elif is_dict(value2):
|
|
rec_merge_one(value, value2)
|
|
else:
|
|
target[key] = value2
|
|
return target
|
|
|
|
|
|
def rec_merge(target, *sources):
|
|
"""
|
|
update target recursively from sources
|
|
"""
|
|
for source in sources:
|
|
ret = rec_merge_one(target, source)
|
|
return ret
|
|
|
|
|
|
def resolve_extends(services, service_names, environ):
|
|
for name in service_names:
|
|
service = services[name]
|
|
ext = service.get("extends", {})
|
|
if is_str(ext):
|
|
ext = {"service": ext}
|
|
from_service_name = ext.get("service", None)
|
|
if not from_service_name:
|
|
continue
|
|
filename = ext.get("file", None)
|
|
if filename:
|
|
if filename.startswith("./"):
|
|
filename = filename[2:]
|
|
with open(filename, "r", encoding="utf-8") as f:
|
|
content = yaml.safe_load(f) or {}
|
|
if "services" in content:
|
|
content = content["services"]
|
|
subdirectory = os.path.dirname(filename)
|
|
content = rec_subs(content, environ)
|
|
from_service = content.get(from_service_name, {})
|
|
normalize_service(from_service, subdirectory)
|
|
else:
|
|
from_service = services.get(from_service_name, {}).copy()
|
|
del from_service["_deps"]
|
|
try:
|
|
del from_service["extends"]
|
|
except KeyError:
|
|
pass
|
|
new_service = rec_merge({}, from_service, service)
|
|
services[name] = new_service
|
|
|
|
|
|
def dotenv_to_dict(dotenv_path):
|
|
if not os.path.isfile(dotenv_path):
|
|
return {}
|
|
return dotenv_values(dotenv_path)
|
|
|
|
|
|
COMPOSE_DEFAULT_LS = [
|
|
"compose.yaml",
|
|
"compose.yml",
|
|
"compose.override.yaml",
|
|
"compose.override.yml",
|
|
"podman-compose.yaml",
|
|
"podman-compose.yml",
|
|
"docker-compose.yml",
|
|
"docker-compose.yaml",
|
|
"docker-compose.override.yml",
|
|
"docker-compose.override.yaml",
|
|
"container-compose.yml",
|
|
"container-compose.yaml",
|
|
"container-compose.override.yml",
|
|
"container-compose.override.yaml",
|
|
]
|
|
|
|
|
|
class PodmanCompose:
|
|
def __init__(self):
|
|
self.podman = None
|
|
self.podman_version = None
|
|
self.environ = {}
|
|
self.exit_code = None
|
|
self.commands = {}
|
|
self.global_args = None
|
|
self.project_name = None
|
|
self.dirname = None
|
|
self.pods = None
|
|
self.containers = None
|
|
self.vols = None
|
|
self.networks = {}
|
|
self.default_net = "default"
|
|
self.declared_secrets = None
|
|
self.container_names_by_service = None
|
|
self.container_by_name = None
|
|
self.services = None
|
|
self.all_services = set()
|
|
self.prefer_volume_over_mount = True
|
|
self.merged_yaml = None
|
|
self.yaml_hash = ""
|
|
self.console_colors = [
|
|
"\x1B[1;32m",
|
|
"\x1B[1;33m",
|
|
"\x1B[1;34m",
|
|
"\x1B[1;35m",
|
|
"\x1B[1;36m",
|
|
]
|
|
|
|
def assert_services(self, services):
|
|
if is_str(services):
|
|
services = [services]
|
|
given = set(services or [])
|
|
missing = given - self.all_services
|
|
if missing:
|
|
missing_csv = ",".join(missing)
|
|
log(f"missing services [{missing_csv}]")
|
|
sys.exit(1)
|
|
|
|
def get_podman_args(self, cmd):
|
|
xargs = []
|
|
for args in self.global_args.podman_args:
|
|
xargs.extend(shlex.split(args))
|
|
cmd_norm = cmd if cmd != "create" else "run"
|
|
cmd_args = self.global_args.__dict__.get(f"podman_{cmd_norm}_args", None) or []
|
|
for args in cmd_args:
|
|
xargs.extend(shlex.split(args))
|
|
return xargs
|
|
|
|
def run(self):
|
|
log("podman-compose version: " + __version__)
|
|
args = self._parse_args()
|
|
podman_path = args.podman_path
|
|
if podman_path != "podman":
|
|
if os.path.isfile(podman_path) and os.access(podman_path, os.X_OK):
|
|
podman_path = os.path.realpath(podman_path)
|
|
else:
|
|
# this also works if podman hasn't been installed now
|
|
if args.dry_run is False:
|
|
log(f"Binary {podman_path} has not been found.")
|
|
sys.exit(1)
|
|
self.podman = Podman(self, podman_path, args.dry_run)
|
|
if not args.dry_run:
|
|
# just to make sure podman is running
|
|
try:
|
|
self.podman_version = (
|
|
self.podman.output(["--version"], "", []).decode("utf-8").strip()
|
|
or ""
|
|
)
|
|
self.podman_version = (self.podman_version.split() or [""])[-1]
|
|
except subprocess.CalledProcessError:
|
|
self.podman_version = None
|
|
if not self.podman_version:
|
|
log("it seems that you do not have `podman` installed")
|
|
sys.exit(1)
|
|
log("using podman version: " + self.podman_version)
|
|
cmd_name = args.command
|
|
compose_required = cmd_name != "version" and (
|
|
cmd_name != "systemd" or args.action != "create-unit"
|
|
)
|
|
if compose_required:
|
|
self._parse_compose_file()
|
|
cmd = self.commands[cmd_name]
|
|
cmd(self, args)
|
|
|
|
def _parse_compose_file(self):
|
|
args = self.global_args
|
|
# cmd = args.command
|
|
dirname = os.environ.get("COMPOSE_PROJECT_DIR", None)
|
|
if dirname and os.path.isdir(dirname):
|
|
os.chdir(dirname)
|
|
pathsep = os.environ.get("COMPOSE_PATH_SEPARATOR", None) or os.pathsep
|
|
if not args.file:
|
|
default_str = os.environ.get("COMPOSE_FILE", None)
|
|
if default_str:
|
|
default_ls = default_str.split(pathsep)
|
|
else:
|
|
default_ls = COMPOSE_DEFAULT_LS
|
|
args.file = list(filter(os.path.exists, default_ls))
|
|
files = args.file
|
|
if not files:
|
|
log(
|
|
"no compose.yaml, docker-compose.yml or container-compose.yml file found, pass files with -f"
|
|
)
|
|
sys.exit(-1)
|
|
ex = map(os.path.exists, files)
|
|
missing = [fn0 for ex0, fn0 in zip(ex, files) if not ex0]
|
|
if missing:
|
|
log("missing files: ", missing)
|
|
sys.exit(1)
|
|
# make absolute
|
|
relative_files = files
|
|
files = list(map(os.path.realpath, files))
|
|
filename = files[0]
|
|
project_name = args.project_name
|
|
# no_ansi = args.no_ansi
|
|
# no_cleanup = args.no_cleanup
|
|
# dry_run = args.dry_run
|
|
# host_env = None
|
|
dirname = os.path.realpath(os.path.dirname(filename))
|
|
dir_basename = os.path.basename(dirname)
|
|
self.dirname = dirname
|
|
# TODO: remove next line
|
|
os.chdir(dirname)
|
|
|
|
if not project_name:
|
|
# More strict then actually needed for simplicity: podman requires [a-zA-Z0-9][a-zA-Z0-9_.-]*
|
|
project_name = (
|
|
os.environ.get("COMPOSE_PROJECT_NAME", None) or dir_basename.lower()
|
|
)
|
|
project_name = norm_re.sub("", project_name)
|
|
if not project_name:
|
|
raise RuntimeError(f"Project name [{dir_basename}] normalized to empty")
|
|
|
|
self.project_name = project_name
|
|
|
|
dotenv_path = os.path.join(dirname, args.env_file)
|
|
dotenv_dict = dotenv_to_dict(dotenv_path)
|
|
os.environ.update(
|
|
{
|
|
key: value
|
|
for key, value in dotenv_dict.items()
|
|
if key.startswith("PODMAN_")
|
|
}
|
|
)
|
|
self.environ = dict(os.environ)
|
|
self.environ.update(dotenv_dict)
|
|
# see: https://docs.docker.com/compose/reference/envvars/
|
|
# see: https://docs.docker.com/compose/env-file/
|
|
self.environ.update(
|
|
{
|
|
"COMPOSE_PROJECT_DIR": dirname,
|
|
"COMPOSE_FILE": pathsep.join(relative_files),
|
|
"COMPOSE_PROJECT_NAME": self.project_name,
|
|
"COMPOSE_PATH_SEPARATOR": pathsep,
|
|
}
|
|
)
|
|
compose = {}
|
|
for filename in files:
|
|
with open(filename, "r", encoding="utf-8") as f:
|
|
content = yaml.safe_load(f)
|
|
# log(filename, json.dumps(content, indent = 2))
|
|
if not isinstance(content, dict):
|
|
sys.stderr.write(
|
|
"Compose file does not contain a top level object: %s\n"
|
|
% filename
|
|
)
|
|
sys.exit(1)
|
|
content = normalize(content)
|
|
# log(filename, json.dumps(content, indent = 2))
|
|
content = rec_subs(content, self.environ)
|
|
rec_merge(compose, content)
|
|
self.merged_yaml = yaml.safe_dump(compose)
|
|
merged_json_b = json.dumps(compose, separators=(",", ":")).encode("utf-8")
|
|
self.yaml_hash = hashlib.sha256(merged_json_b).hexdigest()
|
|
compose["_dirname"] = dirname
|
|
# debug mode
|
|
if len(files) > 1:
|
|
log(" ** merged:\n", json.dumps(compose, indent=2))
|
|
# ver = compose.get('version', None)
|
|
services = compose.get("services", None)
|
|
if services is None:
|
|
services = {}
|
|
log("WARNING: No services defined")
|
|
|
|
# NOTE: maybe add "extends.service" to _deps at this stage
|
|
flat_deps(services, with_extends=True)
|
|
service_names = sorted(
|
|
[(len(srv["_deps"]), name) for name, srv in services.items()]
|
|
)
|
|
service_names = [name for _, name in service_names]
|
|
resolve_extends(services, service_names, self.environ)
|
|
flat_deps(services)
|
|
service_names = sorted(
|
|
[(len(srv["_deps"]), name) for name, srv in services.items()]
|
|
)
|
|
service_names = [name for _, name in service_names]
|
|
nets = compose.get("networks", None) or {}
|
|
if not nets:
|
|
nets["default"] = None
|
|
self.networks = nets
|
|
if len(self.networks) == 1:
|
|
self.default_net = list(nets.keys())[0]
|
|
elif "default" in nets:
|
|
self.default_net = "default"
|
|
else:
|
|
self.default_net = None
|
|
default_net = self.default_net
|
|
allnets = set()
|
|
for name, srv in services.items():
|
|
srv_nets = srv.get("networks", None) or default_net
|
|
srv_nets = (
|
|
list(srv_nets.keys()) if is_dict(srv_nets) else norm_as_list(srv_nets)
|
|
)
|
|
allnets.update(srv_nets)
|
|
given_nets = set(nets.keys())
|
|
missing_nets = allnets - given_nets
|
|
unused_nets = given_nets - allnets - set(["default"])
|
|
if len(unused_nets):
|
|
unused_nets_str = ",".join(unused_nets)
|
|
log(f"WARNING: unused networks: {unused_nets_str}")
|
|
if len(missing_nets):
|
|
missing_nets_str = ",".join(missing_nets)
|
|
raise RuntimeError(f"missing networks: {missing_nets_str}")
|
|
# volumes: [...]
|
|
self.vols = compose.get("volumes", {})
|
|
podman_compose_labels = [
|
|
"io.podman.compose.config-hash=" + self.yaml_hash,
|
|
"io.podman.compose.project=" + project_name,
|
|
"io.podman.compose.version=" + __version__,
|
|
"com.docker.compose.project=" + project_name,
|
|
"com.docker.compose.project.working_dir=" + dirname,
|
|
"com.docker.compose.project.config_files=" + ",".join(relative_files),
|
|
]
|
|
# other top-levels:
|
|
# networks: {driver: ...}
|
|
# configs: {...}
|
|
self.declared_secrets = compose.get("secrets", {})
|
|
given_containers = []
|
|
container_names_by_service = {}
|
|
self.services = services
|
|
for service_name, service_desc in services.items():
|
|
replicas = try_int(service_desc.get("deploy", {}).get("replicas", "1"))
|
|
container_names_by_service[service_name] = []
|
|
for num in range(1, replicas + 1):
|
|
name0 = f"{project_name}_{service_name}_{num}"
|
|
if num == 1:
|
|
name = service_desc.get("container_name", name0)
|
|
else:
|
|
name = name0
|
|
container_names_by_service[service_name].append(name)
|
|
# log(service_name,service_desc)
|
|
cnt = dict(
|
|
name=name, num=num, service_name=service_name, **service_desc
|
|
)
|
|
if "image" not in cnt:
|
|
cnt["image"] = f"{project_name}_{service_name}"
|
|
labels = norm_as_list(cnt.get("labels", None))
|
|
cnt["ports"] = norm_ports(cnt.get("ports", None))
|
|
labels.extend(podman_compose_labels)
|
|
labels.extend(
|
|
[
|
|
f"com.docker.compose.container-number={num}",
|
|
"com.docker.compose.service=" + service_name,
|
|
]
|
|
)
|
|
cnt["labels"] = labels
|
|
cnt["_service"] = service_name
|
|
cnt["_project"] = project_name
|
|
given_containers.append(cnt)
|
|
volumes = cnt.get("volumes", None) or []
|
|
for volume in volumes:
|
|
mnt_dict = get_mnt_dict(self, cnt, volume)
|
|
if (
|
|
mnt_dict.get("type", None) == "volume"
|
|
and mnt_dict["source"]
|
|
and mnt_dict["source"] not in self.vols
|
|
):
|
|
vol_name = mnt_dict["source"]
|
|
raise RuntimeError(
|
|
f"volume [{vol_name}] not defined in top level"
|
|
)
|
|
self.container_names_by_service = container_names_by_service
|
|
self.all_services = set(container_names_by_service.keys())
|
|
container_by_name = {c["name"]: c for c in given_containers}
|
|
# log("deps:", [(c["name"], c["_deps"]) for c in given_containers])
|
|
given_containers = list(container_by_name.values())
|
|
given_containers.sort(key=lambda c: len(c.get("_deps", None) or []))
|
|
# log("sorted:", [c["name"] for c in given_containers])
|
|
pods, containers = transform(args, project_name, given_containers)
|
|
self.pods = pods
|
|
self.containers = containers
|
|
self.container_by_name = {c["name"]: c for c in containers}
|
|
|
|
def _parse_args(self):
|
|
parser = argparse.ArgumentParser(formatter_class=argparse.RawTextHelpFormatter)
|
|
self._init_global_parser(parser)
|
|
subparsers = parser.add_subparsers(title="command", dest="command")
|
|
subparser = subparsers.add_parser("help", help="show help")
|
|
for cmd_name, cmd in self.commands.items():
|
|
subparser = subparsers.add_parser(
|
|
cmd_name, help=cmd.desc
|
|
) # pylint: disable=protected-access
|
|
for cmd_parser in cmd._parse_args: # pylint: disable=protected-access
|
|
cmd_parser(subparser)
|
|
self.global_args = parser.parse_args()
|
|
if self.global_args.version:
|
|
self.global_args.command = "version"
|
|
if not self.global_args.command or self.global_args.command == "help":
|
|
parser.print_help()
|
|
sys.exit(-1)
|
|
return self.global_args
|
|
|
|
@staticmethod
|
|
def _init_global_parser(parser):
|
|
parser.add_argument("-v", "--version", help="show version", action="store_true")
|
|
parser.add_argument(
|
|
"--no-pod",
|
|
help="disable pod creation",
|
|
action="store_true",
|
|
default=False,
|
|
)
|
|
parser.add_argument(
|
|
"--pod-args",
|
|
help="custom arguments to be passed to `podman pod`",
|
|
metavar="pod_args",
|
|
type=str,
|
|
default="--infra=false --share=",
|
|
)
|
|
parser.add_argument(
|
|
"--env-file",
|
|
help="Specify an alternate environment file",
|
|
metavar="env_file",
|
|
type=str,
|
|
default=".env",
|
|
)
|
|
parser.add_argument(
|
|
"-f",
|
|
"--file",
|
|
help="Specify an alternate compose file (default: docker-compose.yml)",
|
|
metavar="file",
|
|
action="append",
|
|
default=[],
|
|
)
|
|
parser.add_argument(
|
|
"-p",
|
|
"--project-name",
|
|
help="Specify an alternate project name (default: directory name)",
|
|
type=str,
|
|
default=None,
|
|
)
|
|
parser.add_argument(
|
|
"--podman-path",
|
|
help="Specify an alternate path to podman (default: use location in $PATH variable)",
|
|
type=str,
|
|
default="podman",
|
|
)
|
|
parser.add_argument(
|
|
"--podman-args",
|
|
help="custom global arguments to be passed to `podman`",
|
|
metavar="args",
|
|
action="append",
|
|
default=[],
|
|
)
|
|
for podman_cmd in PODMAN_CMDS:
|
|
parser.add_argument(
|
|
f"--podman-{podman_cmd}-args",
|
|
help=f"custom arguments to be passed to `podman {podman_cmd}`",
|
|
metavar="args",
|
|
action="append",
|
|
default=[],
|
|
)
|
|
parser.add_argument(
|
|
"--no-ansi",
|
|
help="Do not print ANSI control characters",
|
|
action="store_true",
|
|
)
|
|
parser.add_argument(
|
|
"--no-cleanup",
|
|
help="Do not stop and remove existing pod & containers",
|
|
action="store_true",
|
|
)
|
|
parser.add_argument(
|
|
"--dry-run",
|
|
help="No action; perform a simulation of commands",
|
|
action="store_true",
|
|
)
|
|
|
|
|
|
podman_compose = PodmanCompose()
|
|
|
|
###################
|
|
# decorators to add commands and parse options
|
|
###################
|
|
|
|
|
|
class cmd_run: # pylint: disable=invalid-name,too-few-public-methods
|
|
def __init__(self, compose, cmd_name, cmd_desc=None):
|
|
self.compose = compose
|
|
self.cmd_name = cmd_name
|
|
self.cmd_desc = cmd_desc
|
|
|
|
def __call__(self, func):
|
|
def wrapped(*args, **kw):
|
|
return func(*args, **kw)
|
|
|
|
wrapped._compose = self.compose
|
|
# Trim extra indentation at start of multiline docstrings.
|
|
wrapped.desc = self.cmd_desc or re.sub(r'^\s+', '', func.__doc__)
|
|
wrapped._parse_args = []
|
|
self.compose.commands[self.cmd_name] = wrapped
|
|
return wrapped
|
|
|
|
|
|
class cmd_parse: # pylint: disable=invalid-name,too-few-public-methods
|
|
def __init__(self, compose, cmd_names):
|
|
self.compose = compose
|
|
self.cmd_names = cmd_names if is_list(cmd_names) else [cmd_names]
|
|
|
|
def __call__(self, func):
|
|
def wrapped(*args, **kw):
|
|
return func(*args, **kw)
|
|
|
|
for cmd_name in self.cmd_names:
|
|
self.compose.commands[cmd_name]._parse_args.append(wrapped)
|
|
return wrapped
|
|
|
|
|
|
###################
|
|
# actual commands
|
|
###################
|
|
|
|
|
|
@cmd_run(podman_compose, "version", "show version")
|
|
def compose_version(compose, args):
|
|
if getattr(args, "short", False):
|
|
print(__version__)
|
|
return
|
|
if getattr(args, "format", "pretty") == "json":
|
|
res = {"version": __version__}
|
|
print(json.dumps(res))
|
|
return
|
|
print("podman-composer version", __version__)
|
|
compose.podman.run(["--version"], "", [], sleep=0)
|
|
|
|
|
|
def is_local(container: dict) -> bool:
|
|
"""Test if a container is local, i.e. if it is
|
|
* prefixed with localhost/
|
|
* has a build section and is not prefixed
|
|
"""
|
|
return (
|
|
not "/" in container["image"]
|
|
if "build" in container
|
|
else container["image"].startswith("localhost/")
|
|
)
|
|
|
|
|
|
@cmd_run(podman_compose, "wait", "wait running containers to stop")
|
|
def compose_wait(compose, args): # pylint: disable=unused-argument
|
|
containers = [cnt["name"] for cnt in compose.containers]
|
|
cmd_args = ["--"]
|
|
cmd_args.extend(containers)
|
|
compose.podman.exec([], "wait", cmd_args)
|
|
|
|
|
|
@cmd_run(podman_compose, "systemd")
|
|
def compose_systemd(compose, args):
|
|
"""
|
|
create systemd unit file and register its compose stacks
|
|
|
|
When first installed type `sudo podman-compose systemd -a create-unit`
|
|
later you can add a compose stack by running `podman-compose systemd -a register`
|
|
then you can start/stop your stack with `systemctl --user start podman-compose@<PROJ>`
|
|
"""
|
|
stacks_dir = ".config/containers/compose/projects"
|
|
if args.action == "register":
|
|
proj_name = compose.project_name
|
|
fn = os.path.expanduser(f"~/{stacks_dir}/{proj_name}.env")
|
|
os.makedirs(os.path.dirname(fn), exist_ok=True)
|
|
print(f"writing [{fn}]: ...")
|
|
with open(fn, "w", encoding="utf-8") as f:
|
|
for k, v in compose.environ.items():
|
|
if k.startswith("COMPOSE_") or k.startswith("PODMAN_"):
|
|
f.write(f"{k}={v}\n")
|
|
print(f"writing [{fn}]: done.")
|
|
print("\n\ncreating the pod without starting it: ...\n\n")
|
|
process = subprocess.run([script, "up", "--no-start"], check=False)
|
|
print("\nfinal exit code is ", process.returncode)
|
|
username = getpass.getuser()
|
|
print(
|
|
f"""
|
|
you can use systemd commands like enable, start, stop, status, cat
|
|
all without `sudo` like this:
|
|
|
|
\t\tsystemctl --user enable --now 'podman-compose@{proj_name}'
|
|
\t\tsystemctl --user status 'podman-compose@{proj_name}'
|
|
\t\tjournalctl --user -xeu 'podman-compose@{proj_name}'
|
|
|
|
and for that to work outside a session
|
|
you might need to run the following command *once*
|
|
|
|
\t\tsudo loginctl enable-linger '{username}'
|
|
|
|
you can use podman commands like:
|
|
|
|
\t\tpodman pod ps
|
|
\t\tpodman pod stats 'pod_{proj_name}'
|
|
\t\tpodman pod logs --tail=10 -f 'pod_{proj_name}'
|
|
"""
|
|
)
|
|
elif args.action in ("list", "ls"):
|
|
ls = glob.glob(os.path.expanduser(f"~/{stacks_dir}/*.env"))
|
|
for i in ls:
|
|
print(os.path.basename(i[:-4]))
|
|
elif args.action == "create-unit":
|
|
fn = "/etc/systemd/user/podman-compose@.service"
|
|
out = f"""\
|
|
# {fn}
|
|
|
|
[Unit]
|
|
Description=%i rootless pod (podman-compose)
|
|
|
|
[Service]
|
|
Type=simple
|
|
EnvironmentFile=%h/{stacks_dir}/%i.env
|
|
ExecStartPre=-{script} up --no-start
|
|
ExecStartPre=/usr/bin/podman pod start pod_%i
|
|
ExecStart={script} wait
|
|
ExecStop=/usr/bin/podman pod stop pod_%i
|
|
|
|
[Install]
|
|
WantedBy=default.target
|
|
"""
|
|
if os.access(os.path.dirname(fn), os.W_OK):
|
|
print(f"writing [{fn}]: ...")
|
|
with open(fn, "w", encoding="utf-8") as f:
|
|
f.write(out)
|
|
print(f"writing [{fn}]: done.")
|
|
print(
|
|
"""
|
|
while in your project type `podman-compose systemd -a register`
|
|
"""
|
|
)
|
|
else:
|
|
print(out)
|
|
log(f"Could not write to [{fn}], use 'sudo'")
|
|
|
|
|
|
@cmd_run(podman_compose, "pull", "pull stack images")
|
|
def compose_pull(compose, args):
|
|
img_containers = [cnt for cnt in compose.containers if "image" in cnt]
|
|
images = {cnt["image"] for cnt in img_containers}
|
|
if not args.force_local:
|
|
local_images = {cnt["image"] for cnt in img_containers if is_local(cnt)}
|
|
images -= local_images
|
|
for image in images:
|
|
compose.podman.run([], "pull", [image], sleep=0)
|
|
|
|
|
|
@cmd_run(podman_compose, "push", "push stack images")
|
|
def compose_push(compose, args):
|
|
services = set(args.services)
|
|
for cnt in compose.containers:
|
|
if "build" not in cnt:
|
|
continue
|
|
if services and cnt["_service"] not in services:
|
|
continue
|
|
compose.podman.run([], "push", [cnt["image"]], sleep=0)
|
|
|
|
|
|
def build_one(compose, args, cnt):
|
|
if "build" not in cnt:
|
|
return
|
|
if getattr(args, "if_not_exists", None):
|
|
try:
|
|
img_id = compose.podman.output(
|
|
[], "inspect", ["-t", "image", "-f", "{{.Id}}", cnt["image"]]
|
|
)
|
|
except subprocess.CalledProcessError:
|
|
img_id = None
|
|
if img_id:
|
|
return
|
|
build_desc = cnt["build"]
|
|
if not hasattr(build_desc, "items"):
|
|
build_desc = dict(context=build_desc)
|
|
ctx = build_desc.get("context", ".")
|
|
dockerfile = build_desc.get("dockerfile", None)
|
|
if dockerfile:
|
|
dockerfile = os.path.join(ctx, dockerfile)
|
|
else:
|
|
dockerfile_alts = [
|
|
"Containerfile",
|
|
"ContainerFile",
|
|
"containerfile",
|
|
"Dockerfile",
|
|
"DockerFile",
|
|
"dockerfile",
|
|
]
|
|
for dockerfile in dockerfile_alts:
|
|
dockerfile = os.path.join(ctx, dockerfile)
|
|
if os.path.exists(dockerfile):
|
|
break
|
|
if not os.path.exists(dockerfile):
|
|
raise OSError("Dockerfile not found in " + ctx)
|
|
build_args = ["-t", cnt["image"], "-f", dockerfile]
|
|
if "target" in build_desc:
|
|
build_args.extend(["--target", build_desc["target"]])
|
|
container_to_ulimit_args(cnt, build_args)
|
|
if getattr(args, "no_cache", None):
|
|
build_args.append("--no-cache")
|
|
if getattr(args, "pull_always", None):
|
|
build_args.append("--pull-always")
|
|
elif getattr(args, "pull", None):
|
|
build_args.append("--pull")
|
|
args_list = norm_as_list(build_desc.get("args", {}))
|
|
for build_arg in args_list + args.build_arg:
|
|
build_args.extend(
|
|
(
|
|
"--build-arg",
|
|
build_arg,
|
|
)
|
|
)
|
|
build_args.append(ctx)
|
|
compose.podman.run([], "build", build_args, sleep=0)
|
|
|
|
|
|
@cmd_run(podman_compose, "build", "build stack images")
|
|
def compose_build(compose, args):
|
|
if args.services:
|
|
container_names_by_service = compose.container_names_by_service
|
|
compose.assert_services(args.services)
|
|
for service in args.services:
|
|
cnt = compose.container_by_name[container_names_by_service[service][0]]
|
|
build_one(compose, args, cnt)
|
|
else:
|
|
for cnt in compose.containers:
|
|
build_one(compose, args, cnt)
|
|
|
|
|
|
def create_pods(compose, args): # pylint: disable=unused-argument
|
|
for pod in compose.pods:
|
|
podman_args = [
|
|
"create",
|
|
"--name=" + pod["name"],
|
|
]
|
|
if args.pod_args:
|
|
podman_args.extend(shlex.split(args.pod_args))
|
|
# if compose.podman_version and not strverscmp_lt(compose.podman_version, "3.4.0"):
|
|
# podman_args.append("--infra-name={}_infra".format(pod["name"]))
|
|
ports = pod.get("ports", None) or []
|
|
if isinstance(ports, str):
|
|
ports = [ports]
|
|
for i in ports:
|
|
podman_args.extend(["-p", str(i)])
|
|
compose.podman.run([], "pod", podman_args)
|
|
|
|
|
|
def get_excluded(compose, args):
|
|
excluded = set()
|
|
if args.services:
|
|
excluded = set(compose.services)
|
|
for service in args.services:
|
|
excluded -= compose.services[service]["_deps"]
|
|
excluded.discard(service)
|
|
log("** excluding: ", excluded)
|
|
return excluded
|
|
|
|
|
|
@cmd_run(
|
|
podman_compose, "up", "Create and start the entire stack or some of its services"
|
|
)
|
|
def compose_up(compose, args):
|
|
proj_name = compose.project_name
|
|
excluded = get_excluded(compose, args)
|
|
if not args.no_build:
|
|
# `podman build` does not cache, so don't always build
|
|
build_args = argparse.Namespace(if_not_exists=(not args.build), **args.__dict__)
|
|
compose.commands["build"](compose, build_args)
|
|
|
|
hashes = (
|
|
compose.podman.output(
|
|
[],
|
|
"ps",
|
|
[
|
|
"--filter",
|
|
f"label=io.podman.compose.project={proj_name}",
|
|
"-a",
|
|
"--format",
|
|
'{{ index .Labels "io.podman.compose.config-hash"}}',
|
|
],
|
|
)
|
|
.decode("utf-8")
|
|
.splitlines()
|
|
)
|
|
diff_hashes = [i for i in hashes if i and i != compose.yaml_hash]
|
|
if args.force_recreate or len(diff_hashes):
|
|
log("recreating: ...")
|
|
down_args = argparse.Namespace(**dict(args.__dict__, volumes=False))
|
|
compose.commands["down"](compose, down_args)
|
|
log("recreating: done\n\n")
|
|
# args.no_recreate disables check for changes (which is not implemented)
|
|
|
|
podman_command = "run" if args.detach and not args.no_start else "create"
|
|
|
|
create_pods(compose, args)
|
|
for cnt in compose.containers:
|
|
if cnt["_service"] in excluded:
|
|
log("** skipping: ", cnt["name"])
|
|
continue
|
|
podman_args = container_to_args(compose, cnt, detached=args.detach)
|
|
subproc = compose.podman.run([], podman_command, podman_args)
|
|
if podman_command == "run" and subproc and subproc.returncode:
|
|
compose.podman.run([], "start", [cnt["name"]])
|
|
if args.no_start or args.detach or args.dry_run:
|
|
return
|
|
# TODO: handle already existing
|
|
# TODO: if error creating do not enter loop
|
|
# TODO: colors if sys.stdout.isatty()
|
|
exit_code_from = args.__dict__.get("exit_code_from", None)
|
|
if exit_code_from:
|
|
args.abort_on_container_exit = True
|
|
|
|
threads = []
|
|
|
|
max_service_length = 0
|
|
for cnt in compose.containers:
|
|
curr_length = len(cnt["_service"])
|
|
max_service_length = (
|
|
curr_length if curr_length > max_service_length else max_service_length
|
|
)
|
|
|
|
for i, cnt in enumerate(compose.containers):
|
|
# Add colored service prefix to output by piping output through sed
|
|
color_idx = i % len(compose.console_colors)
|
|
color = compose.console_colors[color_idx]
|
|
space_suffix = " " * (max_service_length - len(cnt["_service"]) + 1)
|
|
log_formatter = "s/^/{}[{}]{}|\x1B[0m\\ /;".format(
|
|
color, cnt["_service"], space_suffix
|
|
)
|
|
log_formatter = ["sed", "-e", log_formatter]
|
|
if cnt["_service"] in excluded:
|
|
log("** skipping: ", cnt["name"])
|
|
continue
|
|
# TODO: remove sleep from podman.run
|
|
obj = compose if exit_code_from == cnt["_service"] else None
|
|
thread = Thread(
|
|
target=compose.podman.run,
|
|
args=[[], "start", ["-a", cnt["name"]]],
|
|
kwargs={"obj": obj, "log_formatter": log_formatter},
|
|
daemon=True,
|
|
name=cnt["name"],
|
|
)
|
|
thread.start()
|
|
threads.append(thread)
|
|
time.sleep(1)
|
|
|
|
while threads:
|
|
to_remove = []
|
|
for thread in threads:
|
|
thread.join(timeout=1.0)
|
|
if not thread.is_alive():
|
|
to_remove.append(thread)
|
|
if args.abort_on_container_exit:
|
|
time.sleep(1)
|
|
exit_code = (
|
|
compose.exit_code if compose.exit_code is not None else -1
|
|
)
|
|
sys.exit(exit_code)
|
|
for thread in to_remove:
|
|
threads.remove(thread)
|
|
|
|
|
|
def get_volume_names(compose, cnt):
|
|
proj_name = compose.project_name
|
|
basedir = compose.dirname
|
|
srv_name = cnt["_service"]
|
|
ls = []
|
|
for volume in cnt.get("volumes", []):
|
|
if is_str(volume):
|
|
volume = parse_short_mount(volume, basedir)
|
|
volume = fix_mount_dict(compose, volume, proj_name, srv_name)
|
|
mount_type = volume["type"]
|
|
if mount_type != "volume":
|
|
continue
|
|
volume_name = (volume.get("_vol", None) or {}).get("name", None)
|
|
ls.append(volume_name)
|
|
return ls
|
|
|
|
|
|
@cmd_run(podman_compose, "down", "tear down entire stack")
|
|
def compose_down(compose, args):
|
|
excluded = get_excluded(compose, args)
|
|
podman_args = []
|
|
timeout = getattr(args, "timeout", None)
|
|
if timeout is None:
|
|
timeout = 1
|
|
podman_args.extend(["-t", str(timeout)])
|
|
containers = list(reversed(compose.containers))
|
|
|
|
for cnt in containers:
|
|
if cnt["_service"] in excluded:
|
|
continue
|
|
compose.podman.run([], "stop", [*podman_args, cnt["name"]], sleep=0)
|
|
for cnt in containers:
|
|
if cnt["_service"] in excluded:
|
|
continue
|
|
compose.podman.run([], "rm", [cnt["name"]], sleep=0)
|
|
if args.volumes:
|
|
vol_names_to_keep = set()
|
|
for cnt in containers:
|
|
if cnt["_service"] not in excluded:
|
|
continue
|
|
vol_names_to_keep.update(get_volume_names(compose, cnt))
|
|
log("keep", vol_names_to_keep)
|
|
for volume_name in compose.podman.volume_ls():
|
|
if volume_name in vol_names_to_keep:
|
|
continue
|
|
compose.podman.run([], "volume", ["rm", volume_name])
|
|
|
|
if excluded:
|
|
return
|
|
for pod in compose.pods:
|
|
compose.podman.run([], "pod", ["rm", pod["name"]], sleep=0)
|
|
|
|
|
|
@cmd_run(podman_compose, "ps", "show status of containers")
|
|
def compose_ps(compose, args):
|
|
proj_name = compose.project_name
|
|
if args.quiet is True:
|
|
compose.podman.run(
|
|
[],
|
|
"ps",
|
|
[
|
|
"-a",
|
|
"--format",
|
|
"{{.ID}}",
|
|
"--filter",
|
|
f"label=io.podman.compose.project={proj_name}",
|
|
],
|
|
)
|
|
else:
|
|
compose.podman.run(
|
|
[], "ps", ["-a", "--filter", f"label=io.podman.compose.project={proj_name}"]
|
|
)
|
|
|
|
|
|
@cmd_run(
|
|
podman_compose,
|
|
"run",
|
|
"create a container similar to a service to run a one-off command",
|
|
)
|
|
def compose_run(compose, args):
|
|
create_pods(compose, args)
|
|
compose.assert_services(args.service)
|
|
container_names = compose.container_names_by_service[args.service]
|
|
container_name = container_names[0]
|
|
cnt = dict(compose.container_by_name[container_name])
|
|
deps = cnt["_deps"]
|
|
if deps and not args.no_deps:
|
|
up_args = argparse.Namespace(
|
|
**dict(
|
|
args.__dict__,
|
|
detach=True,
|
|
services=deps,
|
|
# defaults
|
|
no_build=False,
|
|
build=None,
|
|
force_recreate=False,
|
|
no_start=False,
|
|
no_cache=False,
|
|
build_arg=[],
|
|
)
|
|
)
|
|
compose.commands["up"](compose, up_args)
|
|
# adjust one-off container options
|
|
name0 = "{}_{}_tmp{}".format(
|
|
compose.project_name, args.service, random.randrange(0, 65536)
|
|
)
|
|
cnt["name"] = args.name or name0
|
|
if args.entrypoint:
|
|
cnt["entrypoint"] = args.entrypoint
|
|
if args.user:
|
|
cnt["user"] = args.user
|
|
if args.workdir:
|
|
cnt["working_dir"] = args.workdir
|
|
env = dict(cnt.get("environment", {}))
|
|
if args.env:
|
|
additional_env_vars = dict(map(lambda each: each.split("="), args.env))
|
|
env.update(additional_env_vars)
|
|
cnt["environment"] = env
|
|
if not args.service_ports:
|
|
for k in ("expose", "publishall", "ports"):
|
|
try:
|
|
del cnt[k]
|
|
except KeyError:
|
|
pass
|
|
if args.volume:
|
|
# TODO: handle volumes
|
|
volumes = clone(cnt.get("volumes", None) or [])
|
|
volumes.extend(args.volume)
|
|
cnt["volumes"] = volumes
|
|
cnt["tty"] = not args.T
|
|
if args.cnt_command is not None and len(args.cnt_command) > 0:
|
|
cnt["command"] = args.cnt_command
|
|
# can't restart and --rm
|
|
if args.rm and "restart" in cnt:
|
|
del cnt["restart"]
|
|
# run podman
|
|
podman_args = container_to_args(compose, cnt, args.detach)
|
|
if not args.detach:
|
|
podman_args.insert(1, "-i")
|
|
if args.rm:
|
|
podman_args.insert(1, "--rm")
|
|
p = compose.podman.run([], "run", podman_args, sleep=0)
|
|
sys.exit(p.returncode)
|
|
|
|
|
|
@cmd_run(podman_compose, "exec", "execute a command in a running container")
|
|
def compose_exec(compose, args):
|
|
compose.assert_services(args.service)
|
|
container_names = compose.container_names_by_service[args.service]
|
|
container_name = container_names[args.index - 1]
|
|
cnt = compose.container_by_name[container_name]
|
|
podman_args = ["--interactive"]
|
|
if args.privileged:
|
|
podman_args += ["--privileged"]
|
|
if args.user:
|
|
podman_args += ["--user", args.user]
|
|
if args.workdir:
|
|
podman_args += ["--workdir", args.workdir]
|
|
if not args.T:
|
|
podman_args += ["--tty"]
|
|
env = dict(cnt.get("environment", {}))
|
|
if args.env:
|
|
additional_env_vars = dict(map(lambda each: each.split("="), args.env))
|
|
env.update(additional_env_vars)
|
|
for name, value in env.items():
|
|
podman_args += ["--env", "%s=%s" % (name, value)]
|
|
podman_args += [container_name]
|
|
if args.cnt_command is not None and len(args.cnt_command) > 0:
|
|
podman_args += args.cnt_command
|
|
p = compose.podman.run([], "exec", podman_args, sleep=0)
|
|
sys.exit(p.returncode)
|
|
|
|
|
|
def transfer_service_status(compose, args, action):
|
|
# TODO: handle dependencies, handle creations
|
|
container_names_by_service = compose.container_names_by_service
|
|
if not args.services:
|
|
args.services = container_names_by_service.keys()
|
|
compose.assert_services(args.services)
|
|
targets = []
|
|
for service in args.services:
|
|
if service not in container_names_by_service:
|
|
raise ValueError("unknown service: " + service)
|
|
targets.extend(container_names_by_service[service])
|
|
if action in ["stop", "restart"]:
|
|
targets = list(reversed(targets))
|
|
podman_args = []
|
|
timeout = getattr(args, "timeout", None)
|
|
if timeout is not None:
|
|
podman_args.extend(["-t", str(timeout)])
|
|
for target in targets:
|
|
compose.podman.run([], action, podman_args + [target], sleep=0)
|
|
|
|
|
|
@cmd_run(podman_compose, "start", "start specific services")
|
|
def compose_start(compose, args):
|
|
transfer_service_status(compose, args, "start")
|
|
|
|
|
|
@cmd_run(podman_compose, "stop", "stop specific services")
|
|
def compose_stop(compose, args):
|
|
transfer_service_status(compose, args, "stop")
|
|
|
|
|
|
@cmd_run(podman_compose, "restart", "restart specific services")
|
|
def compose_restart(compose, args):
|
|
transfer_service_status(compose, args, "restart")
|
|
|
|
|
|
@cmd_run(podman_compose, "logs", "show logs from services")
|
|
def compose_logs(compose, args):
|
|
container_names_by_service = compose.container_names_by_service
|
|
if not args.services and not args.latest:
|
|
args.services = container_names_by_service.keys()
|
|
compose.assert_services(args.services)
|
|
targets = []
|
|
for service in args.services:
|
|
targets.extend(container_names_by_service[service])
|
|
podman_args = []
|
|
if args.follow:
|
|
podman_args.append("-f")
|
|
if args.latest:
|
|
podman_args.append("-l")
|
|
if args.names:
|
|
podman_args.append("-n")
|
|
if args.since:
|
|
podman_args.extend(["--since", args.since])
|
|
# the default value is to print all logs which is in podman = 0 and not
|
|
# needed to be passed
|
|
if args.tail and args.tail != "all":
|
|
podman_args.extend(["--tail", args.tail])
|
|
if args.timestamps:
|
|
podman_args.append("-t")
|
|
if args.until:
|
|
podman_args.extend(["--until", args.until])
|
|
for target in targets:
|
|
podman_args.append(target)
|
|
compose.podman.run([], "logs", podman_args)
|
|
|
|
|
|
@cmd_run(podman_compose, "config", "displays the compose file")
|
|
def compose_config(compose, args):
|
|
if args.services:
|
|
for service in compose.services:
|
|
print(service)
|
|
return
|
|
print(compose.merged_yaml)
|
|
|
|
|
|
@cmd_run(podman_compose, "port", "Prints the public port for a port binding.")
|
|
def compose_port(compose, args):
|
|
# TODO - deal with pod index
|
|
compose.assert_services(args.service)
|
|
containers = compose.container_names_by_service[args.service]
|
|
container_ports = list(
|
|
itertools.chain(*(compose.container_by_name[c]["ports"] for c in containers))
|
|
)
|
|
|
|
def _published_target(port_string):
|
|
published, target = port_string.split(":")[-2:]
|
|
return int(published), int(target)
|
|
|
|
select_udp = args.protocol == "udp"
|
|
published, target = None, None
|
|
for p in container_ports:
|
|
is_udp = p[-4:] == "/udp"
|
|
|
|
if select_udp and is_udp:
|
|
published, target = _published_target(p[-4:])
|
|
if not select_udp and not is_udp:
|
|
published, target = _published_target(p)
|
|
|
|
if target == args.private_port:
|
|
print(published)
|
|
return
|
|
|
|
|
|
###################
|
|
# command arguments parsing
|
|
###################
|
|
|
|
|
|
@cmd_parse(podman_compose, "version")
|
|
def compose_version_parse(parser):
|
|
parser.add_argument(
|
|
"-f",
|
|
"--format",
|
|
choices=["pretty", "json"],
|
|
default="pretty",
|
|
help="Format the output",
|
|
)
|
|
parser.add_argument(
|
|
"--short",
|
|
action="store_true",
|
|
help="Shows only Podman Compose's version number",
|
|
)
|
|
|
|
|
|
@cmd_parse(podman_compose, "up")
|
|
def compose_up_parse(parser):
|
|
parser.add_argument(
|
|
"-d",
|
|
"--detach",
|
|
action="store_true",
|
|
help="Detached mode: Run container in the background, print new container name. Incompatible with --abort-on-container-exit.",
|
|
)
|
|
parser.add_argument(
|
|
"--no-color", action="store_true", help="Produce monochrome output."
|
|
)
|
|
parser.add_argument(
|
|
"--quiet-pull",
|
|
action="store_true",
|
|
help="Pull without printing progress information.",
|
|
)
|
|
parser.add_argument(
|
|
"--no-deps", action="store_true", help="Don't start linked services."
|
|
)
|
|
parser.add_argument(
|
|
"--force-recreate",
|
|
action="store_true",
|
|
help="Recreate containers even if their configuration and image haven't changed.",
|
|
)
|
|
parser.add_argument(
|
|
"--always-recreate-deps",
|
|
action="store_true",
|
|
help="Recreate dependent containers. Incompatible with --no-recreate.",
|
|
)
|
|
parser.add_argument(
|
|
"--no-recreate",
|
|
action="store_true",
|
|
help="If containers already exist, don't recreate them. Incompatible with --force-recreate and -V.",
|
|
)
|
|
parser.add_argument(
|
|
"--no-build",
|
|
action="store_true",
|
|
help="Don't build an image, even if it's missing.",
|
|
)
|
|
parser.add_argument(
|
|
"--no-start",
|
|
action="store_true",
|
|
help="Don't start the services after creating them.",
|
|
)
|
|
parser.add_argument(
|
|
"--build", action="store_true", help="Build images before starting containers."
|
|
)
|
|
parser.add_argument(
|
|
"--abort-on-container-exit",
|
|
action="store_true",
|
|
help="Stops all containers if any container was stopped. Incompatible with -d.",
|
|
)
|
|
parser.add_argument(
|
|
"-t",
|
|
"--timeout",
|
|
type=int,
|
|
default=10,
|
|
help="Use this timeout in seconds for container shutdown when attached or when containers are already running. (default: 10)",
|
|
)
|
|
parser.add_argument(
|
|
"-V",
|
|
"--renew-anon-volumes",
|
|
action="store_true",
|
|
help="Recreate anonymous volumes instead of retrieving data from the previous containers.",
|
|
)
|
|
parser.add_argument(
|
|
"--remove-orphans",
|
|
action="store_true",
|
|
help="Remove containers for services not defined in the Compose file.",
|
|
)
|
|
parser.add_argument(
|
|
"--scale",
|
|
metavar="SERVICE=NUM",
|
|
action="append",
|
|
help="Scale SERVICE to NUM instances. Overrides the `scale` setting in the Compose file if present.",
|
|
)
|
|
parser.add_argument(
|
|
"--exit-code-from",
|
|
metavar="SERVICE",
|
|
type=str,
|
|
default=None,
|
|
help="Return the exit code of the selected service container. Implies --abort-on-container-exit.",
|
|
)
|
|
|
|
|
|
@cmd_parse(podman_compose, "down")
|
|
def compose_down_parse(parser):
|
|
parser.add_argument(
|
|
"-v",
|
|
"--volumes",
|
|
action="store_true",
|
|
default=False,
|
|
help="Remove named volumes declared in the `volumes` section of the Compose file and "
|
|
"anonymous volumes attached to containers.",
|
|
)
|
|
|
|
|
|
@cmd_parse(podman_compose, "run")
|
|
def compose_run_parse(parser):
|
|
parser.add_argument(
|
|
"-d",
|
|
"--detach",
|
|
action="store_true",
|
|
help="Detached mode: Run container in the background, print new container name.",
|
|
)
|
|
parser.add_argument(
|
|
"--name", type=str, default=None, help="Assign a name to the container"
|
|
)
|
|
parser.add_argument(
|
|
"--entrypoint",
|
|
type=str,
|
|
default=None,
|
|
help="Override the entrypoint of the image.",
|
|
)
|
|
parser.add_argument(
|
|
"-e",
|
|
"--env",
|
|
metavar="KEY=VAL",
|
|
action="append",
|
|
help="Set an environment variable (can be used multiple times)",
|
|
)
|
|
parser.add_argument(
|
|
"-l",
|
|
"--label",
|
|
metavar="KEY=VAL",
|
|
action="append",
|
|
help="Add or override a label (can be used multiple times)",
|
|
)
|
|
parser.add_argument(
|
|
"-u", "--user", type=str, default=None, help="Run as specified username or uid"
|
|
)
|
|
parser.add_argument(
|
|
"--no-deps", action="store_true", help="Don't start linked services"
|
|
)
|
|
parser.add_argument(
|
|
"--rm",
|
|
action="store_true",
|
|
help="Remove container after run. Ignored in detached mode.",
|
|
)
|
|
parser.add_argument(
|
|
"-p",
|
|
"--publish",
|
|
action="append",
|
|
help="Publish a container's port(s) to the host (can be used multiple times)",
|
|
)
|
|
parser.add_argument(
|
|
"--service-ports",
|
|
action="store_true",
|
|
help="Run command with the service's ports enabled and mapped to the host.",
|
|
)
|
|
parser.add_argument(
|
|
"-v",
|
|
"--volume",
|
|
action="append",
|
|
help="Bind mount a volume (can be used multiple times)",
|
|
)
|
|
parser.add_argument(
|
|
"-T",
|
|
action="store_true",
|
|
help="Disable pseudo-tty allocation. By default `podman-compose run` allocates a TTY.",
|
|
)
|
|
parser.add_argument(
|
|
"-w",
|
|
"--workdir",
|
|
type=str,
|
|
default=None,
|
|
help="Working directory inside the container",
|
|
)
|
|
parser.add_argument("service", metavar="service", nargs=None, help="service name")
|
|
parser.add_argument(
|
|
"cnt_command",
|
|
metavar="command",
|
|
nargs=argparse.REMAINDER,
|
|
help="command and its arguments",
|
|
)
|
|
|
|
|
|
@cmd_parse(podman_compose, "exec")
|
|
def compose_exec_parse(parser):
|
|
parser.add_argument(
|
|
"-d",
|
|
"--detach",
|
|
action="store_true",
|
|
help="Detached mode: Run container in the background, print new container name.",
|
|
)
|
|
parser.add_argument(
|
|
"--privileged",
|
|
action="store_true",
|
|
default=False,
|
|
help="Give the process extended Linux capabilities inside the container",
|
|
)
|
|
parser.add_argument(
|
|
"-u", "--user", type=str, default=None, help="Run as specified username or uid"
|
|
)
|
|
parser.add_argument(
|
|
"-T",
|
|
action="store_true",
|
|
help="Disable pseudo-tty allocation. By default `podman-compose run` allocates a TTY.",
|
|
)
|
|
parser.add_argument(
|
|
"--index",
|
|
type=int,
|
|
default=1,
|
|
help="Index of the container if there are multiple instances of a service",
|
|
)
|
|
parser.add_argument(
|
|
"-e",
|
|
"--env",
|
|
metavar="KEY=VAL",
|
|
action="append",
|
|
help="Set an environment variable (can be used multiple times)",
|
|
)
|
|
parser.add_argument(
|
|
"-w",
|
|
"--workdir",
|
|
type=str,
|
|
default=None,
|
|
help="Working directory inside the container",
|
|
)
|
|
parser.add_argument("service", metavar="service", nargs=None, help="service name")
|
|
parser.add_argument(
|
|
"cnt_command",
|
|
metavar="command",
|
|
nargs=argparse.REMAINDER,
|
|
help="command and its arguments",
|
|
)
|
|
|
|
|
|
@cmd_parse(podman_compose, ["down", "stop", "restart"])
|
|
def compose_parse_timeout(parser):
|
|
parser.add_argument(
|
|
"-t",
|
|
"--timeout",
|
|
help="Specify a shutdown timeout in seconds. ",
|
|
type=int,
|
|
default=10,
|
|
)
|
|
|
|
|
|
@cmd_parse(podman_compose, ["logs"])
|
|
def compose_logs_parse(parser):
|
|
parser.add_argument(
|
|
"-f",
|
|
"--follow",
|
|
action="store_true",
|
|
help="Follow log output. The default is false",
|
|
)
|
|
parser.add_argument(
|
|
"-l",
|
|
"--latest",
|
|
action="store_true",
|
|
help="Act on the latest container podman is aware of",
|
|
)
|
|
parser.add_argument(
|
|
"-n",
|
|
"--names",
|
|
action="store_true",
|
|
help="Output the container name in the log",
|
|
)
|
|
parser.add_argument(
|
|
"--since", help="Show logs since TIMESTAMP", type=str, default=None
|
|
)
|
|
parser.add_argument(
|
|
"-t", "--timestamps", action="store_true", help="Show timestamps."
|
|
)
|
|
parser.add_argument(
|
|
"--tail",
|
|
help="Number of lines to show from the end of the logs for each " "container.",
|
|
type=str,
|
|
default="all",
|
|
)
|
|
parser.add_argument(
|
|
"--until", help="Show logs until TIMESTAMP", type=str, default=None
|
|
)
|
|
parser.add_argument(
|
|
"services", metavar="services", nargs="*", default=None, help="service names"
|
|
)
|
|
|
|
|
|
@cmd_parse(podman_compose, "systemd")
|
|
def compose_systemd_parse(parser):
|
|
parser.add_argument(
|
|
"-a",
|
|
"--action",
|
|
choices=["register", "create-unit", "list", "ls"],
|
|
default="register",
|
|
help="create systemd unit file or register compose stack to it",
|
|
)
|
|
|
|
|
|
@cmd_parse(podman_compose, "pull")
|
|
def compose_pull_parse(parser):
|
|
parser.add_argument(
|
|
"--force-local",
|
|
action="store_true",
|
|
default=False,
|
|
help="Also pull unprefixed images for services which have a build section",
|
|
)
|
|
|
|
|
|
@cmd_parse(podman_compose, "push")
|
|
def compose_push_parse(parser):
|
|
parser.add_argument(
|
|
"--ignore-push-failures",
|
|
action="store_true",
|
|
help="Push what it can and ignores images with push failures. (not implemented)",
|
|
)
|
|
parser.add_argument(
|
|
"services", metavar="services", nargs="*", help="services to push"
|
|
)
|
|
|
|
|
|
@cmd_parse(podman_compose, "ps")
|
|
def compose_ps_parse(parser):
|
|
parser.add_argument(
|
|
"-q", "--quiet", help="Only display container IDs", action="store_true"
|
|
)
|
|
|
|
|
|
@cmd_parse(podman_compose, ["build", "up"])
|
|
def compose_build_up_parse(parser):
|
|
parser.add_argument(
|
|
"--pull",
|
|
help="attempt to pull a newer version of the image",
|
|
action="store_true",
|
|
)
|
|
parser.add_argument(
|
|
"--pull-always",
|
|
help="attempt to pull a newer version of the image, Raise an error even if the image is present locally.",
|
|
action="store_true",
|
|
)
|
|
parser.add_argument(
|
|
"--build-arg",
|
|
metavar="key=val",
|
|
action="append",
|
|
default=[],
|
|
help="Set build-time variables for services.",
|
|
)
|
|
parser.add_argument(
|
|
"--no-cache",
|
|
help="Do not use cache when building the image.",
|
|
action="store_true",
|
|
)
|
|
|
|
|
|
@cmd_parse(podman_compose, ["build", "up", "down", "start", "stop", "restart"])
|
|
def compose_build_parse(parser):
|
|
parser.add_argument(
|
|
"services",
|
|
metavar="services",
|
|
nargs="*",
|
|
default=None,
|
|
help="affected services",
|
|
)
|
|
|
|
|
|
@cmd_parse(podman_compose, "config")
|
|
def compose_config_parse(parser):
|
|
parser.add_argument(
|
|
"--services", help="Print the service names, one per line.", action="store_true"
|
|
)
|
|
|
|
|
|
@cmd_parse(podman_compose, "port")
|
|
def compose_port_parse(parser):
|
|
parser.add_argument(
|
|
"--index",
|
|
type=int,
|
|
default=1,
|
|
help="index of the container if there are multiple instances of a service",
|
|
)
|
|
parser.add_argument(
|
|
"--protocol",
|
|
choices=["tcp", "udp"],
|
|
default="tcp",
|
|
help="tcp or udp",
|
|
)
|
|
parser.add_argument("service", metavar="service", nargs=None, help="service name")
|
|
parser.add_argument(
|
|
"private_port",
|
|
metavar="private_port",
|
|
nargs=None,
|
|
type=int,
|
|
help="private port",
|
|
)
|
|
|
|
|
|
def main():
|
|
podman_compose.run()
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main()
|