03f65b3d0d
This reverts commit40b71adee3. Original commit (for which this is effectively a rebased version) is72a500e9e5and was provided by Lei Jitang <leijitang@huawei.com>. Signed-off-by: Tim Dettrick <t.dettrick@uq.edu.au>
62 lines
2.1 KiB
Go
62 lines
2.1 KiB
Go
package runconfig
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import (
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flag "github.com/docker/docker/pkg/mflag"
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)
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// ExecConfig is a small subset of the Config struct that hold the configuration
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// for the exec feature of docker.
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type ExecConfig struct {
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User string // User that will run the command
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Privileged bool // Is the container in privileged mode
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Tty bool // Attach standard streams to a tty.
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Container string // Name of the container (to execute in)
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AttachStdin bool // Attach the standard input, makes possible user interaction
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AttachStderr bool // Attach the standard output
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AttachStdout bool // Attach the standard error
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Detach bool // Execute in detach mode
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Cmd []string // Execution commands and args
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}
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// ParseExec parses the specified args for the specified command and generates
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// an ExecConfig from it.
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// If the minimal number of specified args is not right or if specified args are
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// not valid, it will return an error.
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func ParseExec(cmd *flag.FlagSet, args []string) (*ExecConfig, error) {
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var (
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flStdin = cmd.Bool([]string{"i", "-interactive"}, false, "Keep STDIN open even if not attached")
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flTty = cmd.Bool([]string{"t", "-tty"}, false, "Allocate a pseudo-TTY")
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flDetach = cmd.Bool([]string{"d", "-detach"}, false, "Detached mode: run command in the background")
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flUser = cmd.String([]string{"u", "-user"}, "", "Username or UID (format: <name|uid>[:<group|gid>])")
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flPrivileged = cmd.Bool([]string{"-privileged"}, false, "Give extended privileges to the command")
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execCmd []string
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container string
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)
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cmd.Require(flag.Min, 2)
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if err := cmd.ParseFlags(args, true); err != nil {
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return nil, err
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}
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container = cmd.Arg(0)
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parsedArgs := cmd.Args()
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execCmd = parsedArgs[1:]
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execConfig := &ExecConfig{
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User: *flUser,
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Privileged: *flPrivileged,
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Tty: *flTty,
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Cmd: execCmd,
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Container: container,
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Detach: *flDetach,
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}
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// If -d is not set, attach to everything by default
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if !*flDetach {
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execConfig.AttachStdout = true
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execConfig.AttachStderr = true
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if *flStdin {
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execConfig.AttachStdin = true
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}
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}
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return execConfig, nil
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}
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