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simpler passing of env

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This commit is contained in:
Muayyad alsadi 2021-11-13 23:27:43 +02:00
parent f177712585
commit 31b8bb477d
1 changed files with 13 additions and 15 deletions
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28
podman_compose.py
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@ -189,27 +189,26 @@ var_re = re.compile(r"""
)
""", re.VERBOSE)
def rec_subs(value, dicts):
def rec_subs(value, subs_dict):
"""
do bash-like substitution in value and if list of dictionary do that recursively
"""
if is_dict(value):
value = dict([(k, rec_subs(v, dicts)) for k, v in value.items()])
value = dict([(k, rec_subs(v, subs_dict)) for k, v in value.items()])
elif is_str(value):
def convert(m):
if m.group("escaped") is not None:
return "$"
name = m.group("named") or m.group("braced")
for d in dicts:
value = d.get(name)
if value is not None:
return "%s" % value
value = subs_dict.get(name)
if value is not None:
return "%s" % value
if m.group("err") is not None:
raise RuntimeError(m.group("err"))
return m.group("default") or ""
value = var_re.sub(convert, value)
elif hasattr(value, "__iter__"):
value = [rec_subs(i, dicts) for i in value]
value = [rec_subs(i, subs_dict) for i in value]
return value
def norm_as_list(src):
@ -949,7 +948,7 @@ def rec_merge(target, *sources):
ret = rec_merge_one(target, source)
return ret
def resolve_extends(services, service_names, dotenv_dict):
def resolve_extends(services, service_names, environ):
for name in service_names:
service = services[name]
ext = service.get("extends", {})
@ -962,7 +961,7 @@ def resolve_extends(services, service_names, dotenv_dict):
content = yaml.safe_load(f) or {}
if "services" in content:
content = content["services"]
content = rec_subs(content, [os.environ, dotenv_dict])
content = rec_subs(content, environ)
from_service = content.get(from_service_name, {})
normalize_service(from_service)
else:
@ -1086,16 +1085,15 @@ class PodmanCompose:
dotenv_path = os.path.join(dirname, ".env")
self.environ = dict(os.environ)
if os.path.isfile(dotenv_path):
with open(dotenv_path, 'r') as f:
dotenv_ls = [l.strip() for l in f if l.strip() and not l.startswith('#')]
dotenv_dict = dict([l.split("=", 1) for l in dotenv_ls if "=" in l])
else:
dotenv_dict = {}
self.environ.update(dict([l.split("=", 1) for l in dotenv_ls if "=" in l]))
# TODO: should read and respect those env variables
# see: https://docs.docker.com/compose/reference/envvars/
# see: https://docs.docker.com/compose/env-file/
dotenv_dict.update({
self.environ.update({
"COMPOSE_FILE": os.path.basename(filename),
"COMPOSE_PROJECT_NAME": self.project_name,
"COMPOSE_PATH_SEPARATOR": ":",
@ -1110,7 +1108,7 @@ class PodmanCompose:
exit(1)
content = normalize(content)
#print(filename, json.dumps(content, indent = 2))
content = rec_subs(content, [os.environ, dotenv_dict])
content = rec_subs(content, self.environ)
rec_merge(compose, content)
# debug mode
if len(files)>1:
@ -1125,7 +1123,7 @@ class PodmanCompose:
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, dotenv_dict)
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]