rclone/cmd/serve/docker/docker.go
Nick Craig-Wood bff702a6f1 docs: group the global flags and make them appear on command and flags pages
This adds an additional parameter to the creation of each flag. This
specifies one or more flag groups. This **must** be set for global
flags and **must not** be set for local flags.

This causes flags.md to be built with sections to aid comprehension
and it causes the documentation pages for each command (and the
`--help`) to be built showing the flags groups as specified in the
`groups` annotation on the command.

See: https://forum.rclone.org/t/make-docs-for-mortals-not-only-rclone-gurus/39476/
2023-08-02 12:53:09 +01:00

76 lines
2.5 KiB
Go

// Package docker serves a remote suitable for use with docker volume api
package docker
import (
"context"
"path/filepath"
"strings"
"syscall"
"github.com/spf13/cobra"
"github.com/rclone/rclone/cmd"
"github.com/rclone/rclone/cmd/mountlib"
"github.com/rclone/rclone/fs/config/flags"
"github.com/rclone/rclone/vfs"
"github.com/rclone/rclone/vfs/vfsflags"
)
var (
pluginName = "rclone"
pluginScope = "local"
baseDir = "/var/lib/docker-volumes/rclone"
sockDir = "/run/docker/plugins" //lint:ignore U1000 unused when not building linux
defSpecDir = "/etc/docker/plugins"
stateFile = "docker-plugin.state"
socketAddr = "" // TCP listening address or empty string for Unix socket
socketGid = syscall.Getgid()
canPersist = false // allows writing to config file
forgetState = false
noSpec = false
)
func init() {
cmdFlags := Command.Flags()
// Add command specific flags
flags.StringVarP(cmdFlags, &baseDir, "base-dir", "", baseDir, "Base directory for volumes", "")
flags.StringVarP(cmdFlags, &socketAddr, "socket-addr", "", socketAddr, "Address <host:port> or absolute path (default: /run/docker/plugins/rclone.sock)", "")
flags.IntVarP(cmdFlags, &socketGid, "socket-gid", "", socketGid, "GID for unix socket (default: current process GID)", "")
flags.BoolVarP(cmdFlags, &forgetState, "forget-state", "", forgetState, "Skip restoring previous state", "")
flags.BoolVarP(cmdFlags, &noSpec, "no-spec", "", noSpec, "Do not write spec file", "")
// Add common mount/vfs flags
mountlib.AddFlags(cmdFlags)
vfsflags.AddFlags(cmdFlags)
}
// Command definition for cobra
var Command = &cobra.Command{
Use: "docker",
Short: `Serve any remote on docker's volume plugin API.`,
Long: strings.ReplaceAll(longHelp, "|", "`") + vfs.Help,
Annotations: map[string]string{
"versionIntroduced": "v1.56",
"groups": "Filter",
},
Run: func(command *cobra.Command, args []string) {
cmd.CheckArgs(0, 0, command, args)
cmd.Run(false, false, command, func() error {
ctx := context.Background()
drv, err := NewDriver(ctx, baseDir, nil, nil, false, forgetState)
if err != nil {
return err
}
srv := NewServer(drv)
if socketAddr == "" {
// Listen on unix socket at /run/docker/plugins/<pluginName>.sock
return srv.ServeUnix(pluginName, socketGid)
}
if filepath.IsAbs(socketAddr) {
// Listen on unix socket at given path
return srv.ServeUnix(socketAddr, socketGid)
}
return srv.ServeTCP(socketAddr, "", nil, noSpec)
})
},
}