Snapshot management commands.

cmd_snapshot.go

@@ -0,0 +1,159 @@
+package main
+
+import (
+	"fmt"
+	"github.com/gonuts/commander"
+	"github.com/gonuts/flag"
+	"github.com/smira/aptly/debian"
+)
+
+func aptlySnapshotCreate(cmd *commander.Command, args []string) error {
+	var err error
+
+	if len(args) < 4 || args[1] != "from" || args[2] != "mirror" {
+		cmd.Usage()
+		return err
+	}
+
+	repoName, mirrorName := args[3], args[0]
+
+	repoCollection := debian.NewRemoteRepoCollection(context.database)
+	repo, err := repoCollection.ByName(repoName)
+	if err != nil {
+		return fmt.Errorf("unable to create snapshot: %s", err)
+	}
+
+	err = repoCollection.LoadComplete(repo)
+	if err != nil {
+		return fmt.Errorf("unable to create snapshot: %s", err)
+	}
+
+	snapshot, err := debian.NewSnapshotFromRepository(mirrorName, repo)
+	if err != nil {
+		return fmt.Errorf("unable to create snapshot: %s", err)
+	}
+
+	snapshotCollection := debian.NewSnapshotCollection(context.database)
+
+	err = snapshotCollection.Add(snapshot)
+	if err != nil {
+		return fmt.Errorf("unable to add snapshot: %s", err)
+	}
+
+	fmt.Printf("\nSnapshot %s successfully created.\nYou can run 'aptly snapshot publish %s' to publish snapshot as Debian repository.\n", snapshot.Name, snapshot.Name)
+
+	return err
+}
+
+func aptlySnapshotList(cmd *commander.Command, args []string) error {
+	var err error
+	if len(args) != 0 {
+		cmd.Usage()
+		return err
+	}
+
+	fmt.Printf("List of snapshots:\n")
+
+	snapshotCollection := debian.NewSnapshotCollection(context.database)
+	snapshotCollection.ForEach(func(snapshot *debian.Snapshot) {
+		fmt.Printf(" * %s\n", snapshot)
+	})
+
+	fmt.Printf("\nTo get more information about snapshot, run `aptly snapshot show <name>`.\n")
+	return err
+}
+
+func aptlySnapshotShow(cmd *commander.Command, args []string) error {
+	var err error
+	if len(args) != 1 {
+		cmd.Usage()
+		return err
+	}
+
+	name := args[0]
+
+	snapshotCollection := debian.NewSnapshotCollection(context.database)
+	snapshot, err := snapshotCollection.ByName(name)
+	if err != nil {
+		return fmt.Errorf("unable to show: %s", err)
+	}
+
+	err = snapshotCollection.LoadComplete(snapshot)
+	if err != nil {
+		return fmt.Errorf("unable to show: %s", err)
+	}
+
+	fmt.Printf("Name: %s\n", snapshot.Name)
+	fmt.Printf("Created At: %s\n", snapshot.CreatedAt.Format("2006-01-02 15:04:05 MST"))
+	fmt.Printf("Description: %s\n", snapshot.Description)
+	fmt.Printf("Number of packages: %d\n", snapshot.NumPackages())
+
+	return err
+}
+
+func makeCmdSnapshotCreate() *commander.Command {
+	cmd := &commander.Command{
+		Run:       aptlySnapshotCreate,
+		UsageLine: "create",
+		Short:     "creates snapshot out of any mirror",
+		Long: `
+Create makes persistent immutable snapshot of repository mirror state in givent moment of time.
+
+ex:
+  $ aptly snapshot create <name> from mirror <mirror-name>
+`,
+		Flag: *flag.NewFlagSet("aptly-snapshot-create", flag.ExitOnError),
+	}
+
+	return cmd
+
+}
+
+func makeCmdSnapshotList() *commander.Command {
+	cmd := &commander.Command{
+		Run:       aptlySnapshotList,
+		UsageLine: "list",
+		Short:     "lists snapshots",
+		Long: `
+list shows full list of snapshots created.
+
+ex:
+  $ aptly snapshot list
+`,
+		Flag: *flag.NewFlagSet("aptly-snapshot-list", flag.ExitOnError),
+	}
+
+	return cmd
+}
+
+func makeCmdSnapshotShow() *commander.Command {
+	cmd := &commander.Command{
+		Run:       aptlySnapshotShow,
+		UsageLine: "show",
+		Short:     "shows details about snapshot",
+		Long: `
+shows shows full information about snapshot.
+
+ex:
+  $ aptly snapshot show <name>
+`,
+		Flag: *flag.NewFlagSet("aptly-snapshot-show", flag.ExitOnError),
+	}
+
+	return cmd
+}
+
+func makeCmdSnapshot() *commander.Command {
+	return &commander.Command{
+		UsageLine: "snapshot",
+		Short:     "manage snapshots of repositories",
+		Subcommands: []*commander.Command{
+			makeCmdSnapshotCreate(),
+			makeCmdSnapshotList(),
+			makeCmdSnapshotShow(),
+			//makeCmdSnapshotDestroy(),
+			//makeCmdSnapshotPublish(),
+		},
+		Flag: *flag.NewFlagSet("aptly-snapshot", flag.ExitOnError),
+	}
+}

main.go

@@ -18,6 +18,7 @@ func init() {
 		Flag:      *flag.NewFlagSet("aptly", flag.ExitOnError),
 		Subcommands: []*commander.Command{
 			makeCmdMirror(),
+			makeCmdSnapshot(),
 		},
 	}
 }