Merge pull request #5480 from vrothberg/auto-updates

auto update containers in systemd units

1 files changed, 56 insertions, 0 deletions

diff --git a/cmd/podman/autoupdate.go b/cmd/podman/autoupdate.go
new file mode 100644
index 000000000..2cc1ae72e
--- /dev/null
+++ b/cmd/podman/autoupdate.go
@@ -0,0 +1,56 @@
+package main
+
+import (
+	"fmt"
+
+	"github.com/containers/libpod/cmd/podman/cliconfig"
+	"github.com/containers/libpod/pkg/adapter"
+	"github.com/pkg/errors"
+	"github.com/spf13/cobra"
+)
+
+var (
+	autoUpdateCommand     cliconfig.AutoUpdateValues
+	autoUpdateDescription = `Auto update containers according to their auto-update policy.
+
+Auto-update policies are specified with the "io.containers.autoupdate" label.`
+	_autoUpdateCommand = &cobra.Command{
+		Use:   "auto-update [flags]",
+		Short: "Auto update containers according to their auto-update policy",
+		Args:  noSubArgs,
+		Long:  autoUpdateDescription,
+		RunE: func(cmd *cobra.Command, args []string) error {
+			restartCommand.InputArgs = args
+			restartCommand.GlobalFlags = MainGlobalOpts
+			return autoUpdateCmd(&restartCommand)
+		},
+		Example: `podman auto-update`,
+	}
+)
+
+func init() {
+	autoUpdateCommand.Command = _autoUpdateCommand
+	autoUpdateCommand.SetHelpTemplate(HelpTemplate())
+	autoUpdateCommand.SetUsageTemplate(UsageTemplate())
+}
+
+func autoUpdateCmd(c *cliconfig.RestartValues) error {
+	runtime, err := adapter.GetRuntime(getContext(), &c.PodmanCommand)
+	if err != nil {
+		return errors.Wrapf(err, "error creating libpod runtime")
+	}
+	defer runtime.DeferredShutdown(false)
+
+	units, failures := runtime.AutoUpdate()
+	for _, unit := range units {
+		fmt.Println(unit)
+	}
+	var finalErr error
+	if len(failures) > 0 {
+		finalErr = failures[0]
+		for _, e := range failures[1:] {
+			finalErr = errors.Errorf("%v\n%v", finalErr, e)
+		}
+	}
+	return finalErr
+}