ref(helm): remove old structure functions

This replaces the old structure functions with the functions in
cmd/helm/helmpath.

Closes #1318

cmd/helm/dependency_build_test.go

@@ -103,7 +103,7 @@ func TestDependencyBuildCmd(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	i, err := repo.LoadIndexFile(cacheIndexFile("test"))
+	i, err := repo.LoadIndexFile(dbc.helmhome.CacheIndex("test"))
 	if err != nil {
 		t.Fatal(err)
 	}

cmd/helm/dependency_update_test.go

@@ -85,7 +85,7 @@ func TestDependencyUpdateCmd(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	i, err := repo.LoadIndexFile(cacheIndexFile("test"))
+	i, err := repo.LoadIndexFile(duc.helmhome.CacheIndex("test"))
 	if err != nil {
 		t.Fatal(err)
 	}

cmd/helm/helm.go

@@ -28,9 +28,10 @@ import (
 )
 
 const (
-	homeEnvVar      = "HELM_HOME"
-	hostEnvVar      = "HELM_HOST"
-	tillerNamespace = "kube-system"
+	localRepoIndexFilePath = "index.yaml"
+	homeEnvVar             = "HELM_HOME"
+	hostEnvVar             = "HELM_HOST"
+	tillerNamespace        = "kube-system"
 )
 
 var (
@@ -159,15 +160,6 @@ func checkArgsLength(argsReceived int, requiredArgs ...string) error {
 	return nil
 }
 
-// requireInit is a PreRunE implementation for validating that $HELM_HOME is configured.
-func requireInit(cmd *cobra.Command, args []string) error {
-	err := requireHome()
-	if err != nil {
-		return fmt.Errorf("%s (try running 'helm init')", err)
-	}
-	return nil
-}
-
 // prettyError unwraps or rewrites certain errors to make them more user-friendly.
 func prettyError(err error) error {
 	if err == nil {
@@ -178,3 +170,7 @@ func prettyError(err error) error {
 	// the desc. Instead, we have to pass ALL errors through this.
 	return errors.New(grpc.ErrorDesc(err))
 }
+
+func homePath() string {
+	return os.ExpandEnv(helmHome)
+}

cmd/helm/helm_test.go

@@ -255,6 +255,15 @@ func ensureTestHome(home helmpath.Home, t *testing.T) error {
 	repoFile := home.RepositoryFile()
 	if fi, err := os.Stat(repoFile); err != nil {
 		rf := repo.NewRepoFile()
+		rf.Add(&repo.Entry{
+			Name:  "charts",
+			URL:   "http://example.com/foo",
+			Cache: "charts-index.yaml",
+		}, &repo.Entry{
+			Name:  "local",
+			URL:   "http://localhost.com:7743/foo",
+			Cache: "local-index.yaml",
+		})
 		if err := rf.WriteFile(repoFile, 0644); err != nil {
 			return err
 		}
@@ -276,7 +285,7 @@ func ensureTestHome(home helmpath.Home, t *testing.T) error {
 		}
 
 		//TODO: take this out and replace with helm update functionality
-		os.Symlink(localRepoIndexFile, cacheDirectory("local-index.yaml"))
+		os.Symlink(localRepoIndexFile, home.CacheIndex("local"))
 	} else if fi.IsDir() {
 		return fmt.Errorf("%s must be a file, not a directory", localRepoIndexFile)
 	}

cmd/helm/init.go

@@ -92,18 +92,6 @@ func (i *initCmd) run() error {
 	return nil
 }
 
-func requireHome() error {
-	dirs := []string{homePath(), repositoryDirectory(), cacheDirectory(), localRepoDirectory()}
-	for _, d := range dirs {
-		if fi, err := os.Stat(d); err != nil {
-			return fmt.Errorf("directory %q is not configured", d)
-		} else if !fi.IsDir() {
-			return fmt.Errorf("expected %q to be a directory", d)
-		}
-	}
-	return nil
-}
-
 // ensureHome checks to see if $HELM_HOME exists
 //
 // If $HELM_HOME does not exist, this function will create it.
@@ -150,7 +138,7 @@ func ensureHome(home helmpath.Home, out io.Writer) error {
 		}
 	}
 
-	localRepoIndexFile := localRepoDirectory(localRepoIndexFilePath)
+	localRepoIndexFile := home.LocalRepository(localRepoIndexFilePath)
 	if fi, err := os.Stat(localRepoIndexFile); err != nil {
 		fmt.Fprintf(out, "Creating %s \n", localRepoIndexFile)
 		i := repo.NewIndexFile()
@@ -159,7 +147,7 @@ func ensureHome(home helmpath.Home, out io.Writer) error {
 		}
 
 		//TODO: take this out and replace with helm update functionality
-		os.Symlink(localRepoIndexFile, cacheDirectory("local-index.yaml"))
+		os.Symlink(localRepoIndexFile, home.CacheIndex("local"))
 	} else if fi.IsDir() {
 		return fmt.Errorf("%s must be a file, not a directory", localRepoIndexFile)
 	}

cmd/helm/init_test.go

@@ -54,7 +54,7 @@ func TestEnsureHome(t *testing.T) {
 		t.Errorf("%s should not be a directory", fi)
 	}
 
-	if fi, err := os.Stat(localRepoDirectory(localRepoIndexFilePath)); err != nil {
+	if fi, err := os.Stat(hh.LocalRepository(localRepoIndexFilePath)); err != nil {
 		t.Errorf("%s", err)
 	} else if fi.IsDir() {
 		t.Errorf("%s should not be a directory", fi)

cmd/helm/install.go

@@ -323,7 +323,7 @@ func locateChartPath(name, version string, verify bool, keyring string) (string,
 		return name, fmt.Errorf("path %q not found", name)
 	}
 
-	crepo := filepath.Join(repositoryDirectory(), name)
+	crepo := filepath.Join(helmpath.Home(homePath()).Repository(), name)
 	if _, err := os.Stat(crepo); err == nil {
 		return filepath.Abs(crepo)
 	}

cmd/helm/repo_update.go

@@ -37,17 +37,15 @@ future releases.
 `
 
 type repoUpdateCmd struct {
-	repoFile string
-	update   func([]*repo.Entry, bool, io.Writer, helmpath.Home)
-	out      io.Writer
-	home     helmpath.Home
+	update func([]*repo.Entry, bool, io.Writer, helmpath.Home)
+	out    io.Writer
+	home   helmpath.Home
 }
 
 func newRepoUpdateCmd(out io.Writer) *cobra.Command {
 	u := &repoUpdateCmd{
-		out:      out,
-		update:   updateCharts,
-		repoFile: repositoriesFile(),
+		out:    out,
+		update: updateCharts,
 	}
 	cmd := &cobra.Command{
 		Use:     "update",
@@ -63,7 +61,7 @@ func newRepoUpdateCmd(out io.Writer) *cobra.Command {
 }
 
 func (u *repoUpdateCmd) run() error {
-	f, err := repo.LoadRepositoriesFile(u.repoFile)
+	f, err := repo.LoadRepositoriesFile(u.home.RepositoryFile())
 	if err != nil {
 		return err
 	}

cmd/helm/repo_update_test.go

@@ -29,7 +29,6 @@ import (
 )
 
 func TestUpdateCmd(t *testing.T) {
-
 	thome, err := tempHelmHome(t)
 	if err != nil {
 		t.Fatal(err)
@@ -50,14 +49,16 @@ func TestUpdateCmd(t *testing.T) {
 		}
 	}
 	uc := &repoUpdateCmd{
-		out:      out,
-		update:   updater,
-		repoFile: "testdata/repositories.yaml",
+		out:    out,
+		update: updater,
+		home:   helmpath.Home(thome),
+	}
+	if err := uc.run(); err != nil {
+		t.Fatal(err)
 	}
-	uc.run()
 
 	if got := out.String(); !strings.Contains(got, "charts") || !strings.Contains(got, "local") {
-		t.Errorf("Expected 'charts' and 'local' (in any order) got %s", got)
+		t.Errorf("Expected 'charts' and 'local' (in any order) got %q", got)
 	}
 }
 

cmd/helm/search.go

@@ -57,7 +57,6 @@ func newSearchCmd(out io.Writer) *cobra.Command {
 		RunE: func(cmd *cobra.Command, args []string) error {
 			return sc.run(args)
 		},
-		PreRunE: requireInit,
 	}
 
 	f := cmd.Flags()

cmd/helm/structure.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 (
-	"os"
-	"path/filepath"
-)
-
-const (
-	repositoryDir          string = "repository"
-	repositoriesFilePath   string = "repositories.yaml"
-	cachePath              string = "cache"
-	localRepoPath          string = "local"
-	localRepoIndexFilePath string = "index.yaml"
-)
-
-func homePath() string {
-	return os.ExpandEnv(helmHome)
-}
-
-// All other directories go under the $HELM_HOME/repository.
-func repositoryDirectory() string {
-	return homePath() + "/" + repositoryDir
-}
-
-func cacheDirectory(paths ...string) string {
-	fragments := append([]string{repositoryDirectory(), cachePath}, paths...)
-	return filepath.Join(fragments...)
-}
-
-func cacheIndexFile(repoName string) string {
-	return cacheDirectory(repoName + "-index.yaml")
-}
-
-func localRepoDirectory(paths ...string) string {
-	fragments := append([]string{repositoryDirectory(), localRepoPath}, paths...)
-	return filepath.Join(fragments...)
-}
-
-func repositoriesFile() string {
-	return filepath.Join(repositoryDirectory(), repositoriesFilePath)
-}