Add Uninstall command, to uninstall a claim from the duffle claim store.

It will run the Uninstall CNAB action in the cmd/run/uninstall.go to remove a Docker Application Package deployment.

Signed-off-by: Silvin Lubecki <silvin.lubecki@docker.com>

Author: silvin-lubecki

cmd/docker-app/root.go

@@ -45,6 +45,7 @@ func newRootCmd(dockerCli *command.DockerCli) *cobra.Command {
 func addCommands(cmd *cobra.Command, dockerCli command.Cli) {
 	cmd.AddCommand(
 		installCmd(dockerCli),
+		uninstallCmd(dockerCli),
 		initCmd(),
 		inspectCmd(dockerCli),
 		mergeCmd(dockerCli),

cmd/docker-app/uninstall.go

@@ -0,0 +1,71 @@
+package main
+
+import (
+	"fmt"
+
+	"github.com/deislabs/duffle/pkg/action"
+	"github.com/deislabs/duffle/pkg/claim"
+	"github.com/deislabs/duffle/pkg/credentials"
+	"github.com/deislabs/duffle/pkg/utils/crud"
+	"github.com/docker/cli/cli"
+	"github.com/docker/cli/cli/command"
+	"github.com/spf13/cobra"
+)
+
+type uninstallOptions struct {
+	targetContext  string
+	credentialsets []string
+}
+
+func uninstallCmd(dockerCli command.Cli) *cobra.Command {
+	var opts uninstallOptions
+
+	cmd := &cobra.Command{
+		Use:   "uninstall <installation-name>",
+		Short: "Uninstall an application",
+		Args:  cli.ExactArgs(1),
+		RunE: func(cmd *cobra.Command, args []string) error {
+			return runUninstall(dockerCli, args[0], opts)
+		},
+	}
+
+	cmd.Flags().StringVar(&opts.targetContext, "target-context", "", "Context on which to uninstall the application")
+	cmd.Flags().StringArrayVarP(&opts.credentialsets, "credential-set", "c", []string{}, "Use a duffle credentialset (either a YAML file, or a credential set present in the duffle credential store)")
+
+	return cmd
+}
+
+func runUninstall(dockerCli command.Cli, claimName string, opts uninstallOptions) error {
+	muteDockerCli(dockerCli)
+	h := duffleHome()
+
+	claimStore := claim.NewClaimStore(crud.NewFileSystemStore(h.Claims(), "json"))
+	c, err := claimStore.Read(claimName)
+	if err != nil {
+		return err
+	}
+	targetContext := getTargetContext(opts.targetContext)
+
+	driverImpl, err := prepareDriver(dockerCli)
+	if err != nil {
+		return err
+	}
+	creds, err := prepareCredentialSet(targetContext, dockerCli.ContextStore(), c.Bundle, opts.credentialsets)
+	if err != nil {
+		return err
+	}
+	if err := credentials.Validate(creds, c.Bundle.Credentials); err != nil {
+		return err
+	}
+	uninst := &action.Uninstall{
+		Driver: driverImpl,
+	}
+	err = uninst.Run(&c, creds, dockerCli.Out())
+	if err == nil {
+		return claimStore.Delete(claimName)
+	}
+	if err2 := claimStore.Store(c); err2 != nil {
+		fmt.Fprintf(dockerCli.Err(), "failed to update claim: %s\n", err2)
+	}
+	return err
+}