Merge pull request #435 from adamreese/feat/helm-deployment-show

feat(cli): implement helm deployment show

cmd/helm/deployment.go

@@ -18,12 +18,26 @@ package main
 
 import (
 	"errors"
+	"os"
 	"regexp"
+	"text/template"
 
 	"github.com/codegangsta/cli"
 	"github.com/kubernetes/helm/pkg/format"
 )
 
+var errMissingDeploymentArg = errors.New("First argument, deployment name, is required. Try 'helm get --help'")
+
+const defaultShowFormat = `Name: {{.Name}}
+Status: {{.State.Status}}
+{{- with .State.Errors}}
+Errors:
+{{- range .}}
+  {{.}}
+{{- end}}
+{{- end}}
+`
+
 func init() {
 	addCommands(deploymentCommands())
 }
@@ -57,6 +71,7 @@ func deploymentCommands() cli.Command {
 				Aliases:   []string{"info"},
 				Usage:     "Provide details about this deployment.",
 				ArgsUsage: "",
+				Action:    func(c *cli.Context) { run(c, showDeployment) },
 			},
 			{
 				Name:      "list",
@@ -102,7 +117,7 @@ func listDeployments(c *cli.Context) error {
 func deleteDeployment(c *cli.Context) error {
 	args := c.Args()
 	if len(args) < 1 {
-		return errors.New("First argument, deployment name, is required. Try 'helm get --help'")
+		return errMissingDeploymentArg
 	}
 	for _, name := range args {
 		deployment, err := NewClient(c).DeleteDeployment(name)
@@ -113,3 +128,17 @@ func deleteDeployment(c *cli.Context) error {
 	}
 	return nil
 }
+
+func showDeployment(c *cli.Context) error {
+	args := c.Args()
+	if len(args) < 1 {
+		return errMissingDeploymentArg
+	}
+	name := args[0]
+	deployment, err := NewClient(c).GetDeployment(name)
+	if err != nil {
+		return err
+	}
+	tmpl := template.Must(template.New("show").Parse(defaultShowFormat))
+	return tmpl.Execute(os.Stdout, deployment)
+}

cmd/helm/get.go

-/*
-Copyright 2016 The Kubernetes Authors All rights reserved.
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-
-package main
-
-import (
-	"errors"
-
-	"github.com/codegangsta/cli"
-	"github.com/kubernetes/helm/pkg/format"
-)
-
-func init() {
-	addCommands(getCmd())
-}
-
-func getCmd() cli.Command {
-	return cli.Command{
-		Name:      "get",
-		ArgsUsage: "DEPLOYMENT",
-		Usage:     "Retrieves the supplied deployment",
-		Action:    func(c *cli.Context) { run(c, get) },
-	}
-}
-
-func get(c *cli.Context) error {
-	args := c.Args()
-	if len(args) < 1 {
-		return errors.New("First argument, deployment name, is required. Try 'helm get --help'")
-	}
-	name := args[0]
-	deployment, err := NewClient(c).GetDeployment(name)
-	if err != nil {
-		return err
-	}
-	return format.YAML(deployment)
-}