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authorOpenShift Merge Robot <openshift-merge-robot@users.noreply.github.com>2019-05-02 22:33:09 +0200
committerGitHub <noreply@github.com>2019-05-02 22:33:09 +0200
commitb5e5585ada50a887f439e513c5deae30c89648de (patch)
tree795c9e94db4d51012f40ccd0287504d39a4de83b /cmd
parent6bcbb88715fd9cab45eb668bba5ba83228e16883 (diff)
parentc18ad2bfd9034fe6b80e3f33c076af731be6778b (diff)
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Merge pull request #2985 from baude/generatesystemd
Generate Systemd
Diffstat (limited to 'cmd')
-rw-r--r--cmd/podman/cliconfig/config.go8
-rw-r--r--cmd/podman/generate.go1
-rw-r--r--cmd/podman/generate_systemd.go70
-rw-r--r--cmd/podman/varlink/io.podman.varlink2
4 files changed, 80 insertions, 1 deletions
diff --git a/cmd/podman/cliconfig/config.go b/cmd/podman/cliconfig/config.go
index 43ba7ddc9..b770aaca0 100644
--- a/cmd/podman/cliconfig/config.go
+++ b/cmd/podman/cliconfig/config.go
@@ -136,12 +136,18 @@ type ExportValues struct {
PodmanCommand
Output string
}
-
type GenerateKubeValues struct {
PodmanCommand
Service bool
}
+type GenerateSystemdValues struct {
+ PodmanCommand
+ Name bool
+ RestartPolicy string
+ StopTimeout int
+}
+
type HistoryValues struct {
PodmanCommand
Human bool
diff --git a/cmd/podman/generate.go b/cmd/podman/generate.go
index a0637ecb2..98bfb00a1 100644
--- a/cmd/podman/generate.go
+++ b/cmd/podman/generate.go
@@ -18,6 +18,7 @@ var (
// Commands that are universally implemented
generateCommands = []*cobra.Command{
_containerKubeCommand,
+ _containerSystemdCommand,
}
)
diff --git a/cmd/podman/generate_systemd.go b/cmd/podman/generate_systemd.go
new file mode 100644
index 000000000..b4779e512
--- /dev/null
+++ b/cmd/podman/generate_systemd.go
@@ -0,0 +1,70 @@
+package main
+
+import (
+ "fmt"
+
+ "github.com/containers/libpod/cmd/podman/cliconfig"
+ "github.com/containers/libpod/pkg/adapter"
+ "github.com/containers/libpod/pkg/systemdgen"
+ "github.com/pkg/errors"
+ "github.com/spf13/cobra"
+)
+
+var (
+ containerSystemdCommand cliconfig.GenerateSystemdValues
+ containerSystemdDescription = `Command generates a systemd unit file for a Podman container
+ `
+ _containerSystemdCommand = &cobra.Command{
+ Use: "systemd [flags] CONTAINER | POD",
+ Short: "Generate a systemd unit file for a Podman container",
+ Long: containerSystemdDescription,
+ RunE: func(cmd *cobra.Command, args []string) error {
+ containerSystemdCommand.InputArgs = args
+ containerSystemdCommand.GlobalFlags = MainGlobalOpts
+ containerSystemdCommand.Remote = remoteclient
+ return generateSystemdCmd(&containerSystemdCommand)
+ },
+ Args: func(cmd *cobra.Command, args []string) error {
+ if len(args) > 1 || len(args) < 1 {
+ return errors.New("provide only one container name or ID")
+ }
+ return nil
+ },
+ Example: `podman generate kube ctrID
+`,
+ }
+)
+
+func init() {
+ containerSystemdCommand.Command = _containerSystemdCommand
+ containerSystemdCommand.SetHelpTemplate(HelpTemplate())
+ containerSystemdCommand.SetUsageTemplate(UsageTemplate())
+ flags := containerSystemdCommand.Flags()
+ flags.BoolVarP(&containerSystemdCommand.Name, "name", "n", false, "use the container name instead of ID")
+ flags.IntVarP(&containerSystemdCommand.StopTimeout, "timeout", "t", -1, "stop timeout override")
+ flags.StringVar(&containerSystemdCommand.RestartPolicy, "restart-policy", "on-failure", "applicable systemd restart-policy")
+}
+
+func generateSystemdCmd(c *cliconfig.GenerateSystemdValues) error {
+ runtime, err := adapter.GetRuntime(getContext(), &c.PodmanCommand)
+ if err != nil {
+ return errors.Wrapf(err, "could not get runtime")
+ }
+ defer runtime.Shutdown(false)
+
+ // User input stop timeout must be 0 or greater
+ if c.Flag("timeout").Changed && c.StopTimeout < 0 {
+ return errors.New("timeout value must be 0 or greater")
+ }
+ // Make sure the input restart policy is valid
+ if err := systemdgen.ValidateRestartPolicy(c.RestartPolicy); err != nil {
+ return err
+ }
+
+ unit, err := runtime.GenerateSystemd(c)
+ if err != nil {
+ return err
+ }
+ fmt.Println(unit)
+ return nil
+}
diff --git a/cmd/podman/varlink/io.podman.varlink b/cmd/podman/varlink/io.podman.varlink
index 912d001e9..ace81646c 100644
--- a/cmd/podman/varlink/io.podman.varlink
+++ b/cmd/podman/varlink/io.podman.varlink
@@ -1218,6 +1218,8 @@ method GetLayersMapWithImageInfo() -> (layerMap: string)
# BuildImageHierarchyMap is for the development of Podman and should not be used.
method BuildImageHierarchyMap(name: string) -> (imageInfo: string)
+method GenerateSystemd(name: string, restart: string, timeout: int, useName: bool) -> (unit: string)
+
# ImageNotFound means the image could not be found by the provided name or ID in local storage.
error ImageNotFound (id: string, reason: string)