auto-update

Add the `podman auto-update` command. There have been no tests in v1, so
there are no in v2 either ... for now :)

Signed-off-by: Valentin Rothberg <rothberg@redhat.com>

1 files changed, 46 insertions, 0 deletions

diff --git a/cmd/podman/auto-update.go b/cmd/podman/auto-update.go
new file mode 100644
index 000000000..758cbbc6f
--- /dev/null
+++ b/cmd/podman/auto-update.go
@@ -0,0 +1,46 @@
+package main
+
+import (
+	"fmt"
+
+	"github.com/containers/libpod/cmd/podman/registry"
+	"github.com/containers/libpod/pkg/domain/entities"
+	"github.com/containers/libpod/pkg/errorhandling"
+	"github.com/pkg/errors"
+	"github.com/spf13/cobra"
+)
+
+var (
+	autoUpdateDescription = `Auto update containers according to their auto-update policy.
+
+  Auto-update policies are specified with the "io.containers.autoupdate" label.
+  Note that this command is experimental.`
+	autoUpdateCommand = &cobra.Command{
+		Use:     "auto-update [flags]",
+		Short:   "Auto update containers according to their auto-update policy",
+		Long:    autoUpdateDescription,
+		RunE:    autoUpdate,
+		Example: `podman auto-update`,
+	}
+)
+
+func init() {
+	registry.Commands = append(registry.Commands, registry.CliCommand{
+		Mode:    []entities.EngineMode{entities.ABIMode},
+		Command: autoUpdateCommand,
+	})
+}
+
+func autoUpdate(cmd *cobra.Command, args []string) error {
+	if len(args) > 0 {
+		// Backwards compat. System tests expext this error string.
+		return errors.Errorf("`%s` takes no arguments", cmd.CommandPath())
+	}
+	report, failures := registry.ContainerEngine().AutoUpdate(registry.GetContext())
+	if report != nil {
+		for _, unit := range report.Units {
+			fmt.Println(unit)
+		}
+	}
+	return errorhandling.JoinErrors(failures)
+}