Merge branch 'dev-v3' of github.com:helm/helm into HEAD

Gopkg.lock

@@ -929,6 +929,30 @@
   revision = "ffdc059bfe9ce6a4e144ba849dbedead332c6053"
   version = "v1.3.0"
 
+[[projects]]
+  branch = "master"
+  digest = "1:f4e5276a3b356f4692107047fd2890f2fe534f4feeb6b1fd2f6dfbd87f1ccf54"
+  name = "github.com/xeipuuv/gojsonpointer"
+  packages = ["."]
+  pruneopts = "UT"
+  revision = "4e3ac2762d5f479393488629ee9370b50873b3a6"
+
+[[projects]]
+  branch = "master"
+  digest = "1:dc6a6c28ca45d38cfce9f7cb61681ee38c5b99ec1425339bfc1e1a7ba769c807"
+  name = "github.com/xeipuuv/gojsonreference"
+  packages = ["."]
+  pruneopts = "UT"
+  revision = "bd5ef7bd5415a7ac448318e64f11a24cd21e594b"
+
+[[projects]]
+  digest = "1:1c898ea6c30c16e8d55fdb6fe44c4bee5f9b7d68aa260cfdfc3024491dcc7bea"
+  name = "github.com/xeipuuv/gojsonschema"
+  packages = ["."]
+  pruneopts = "UT"
+  revision = "f971f3cd73b2899de6923801c147f075263e0c50"
+  version = "v1.1.0"
+
 [[projects]]
   digest = "1:340553b2fdaab7d53e63fd40f8ed82203bdd3274253055bdb80a46828482ef81"
   name = "github.com/xenolf/lego"
@@ -1777,6 +1801,7 @@
     "github.com/spf13/pflag",
     "github.com/stretchr/testify/assert",
     "github.com/stretchr/testify/suite",
+    "github.com/xeipuuv/gojsonschema",
     "golang.org/x/crypto/bcrypt",
     "golang.org/x/crypto/openpgp",
     "golang.org/x/crypto/openpgp/clearsign",

Gopkg.toml

@@ -102,3 +102,6 @@
   go-tests = true
   unused-packages = true
 
+[[constraint]]
+  name = "github.com/xeipuuv/gojsonschema"
+  version = "1.1.0"

cmd/helm/create.go

@@ -80,8 +80,8 @@ func (o *createOptions) run(out io.Writer) error {
 		Description: "A Helm chart for Kubernetes",
 		Type:        "application",
 		Version:     "0.1.0",
-		AppVersion:  "1.0",
-		APIVersion:  chart.APIVersionv1,
+		AppVersion:  "0.1.0",
+		APIVersion:  chart.APIVersionV1,
 	}
 
 	if o.starter != "" {
@@ -90,6 +90,6 @@ func (o *createOptions) run(out io.Writer) error {
 		return chartutil.CreateFrom(cfile, filepath.Dir(o.name), lstarter)
 	}
 
-	_, err := chartutil.Create(cfile, filepath.Dir(o.name))
+	_, err := chartutil.Create(chartname, filepath.Dir(o.name))
 	return err
 }

cmd/helm/create_test.go

@@ -55,7 +55,7 @@ func TestCreateCmd(t *testing.T) {
 	if c.Name() != cname {
 		t.Errorf("Expected %q name, got %q", cname, c.Name())
 	}
-	if c.Metadata.APIVersion != chart.APIVersionv1 {
+	if c.Metadata.APIVersion != chart.APIVersionV1 {
 		t.Errorf("Wrong API version: %q", c.Metadata.APIVersion)
 	}
 }
@@ -73,7 +73,7 @@ func TestCreateStarterCmd(t *testing.T) {
 	// Create a starter.
 	starterchart := hh.Starters()
 	os.Mkdir(starterchart, 0755)
-	if dest, err := chartutil.Create(&chart.Metadata{Name: "starterchart"}, starterchart); err != nil {
+	if dest, err := chartutil.Create("starterchart", starterchart); err != nil {
 		t.Fatalf("Could not create chart: %s", err)
 	} else {
 		t.Logf("Created %s", dest)
@@ -106,7 +106,7 @@ func TestCreateStarterCmd(t *testing.T) {
 	if c.Name() != cname {
 		t.Errorf("Expected %q name, got %q", cname, c.Name())
 	}
-	if c.Metadata.APIVersion != chart.APIVersionv1 {
+	if c.Metadata.APIVersion != chart.APIVersionV1 {
 		t.Errorf("Wrong API version: %q", c.Metadata.APIVersion)
 	}
 

cmd/helm/dependency_update_test.go

@@ -46,8 +46,9 @@ func TestDependencyUpdateCmd(t *testing.T) {
 	t.Logf("Listening on directory %s", srv.Root())
 
 	chartname := "depup"
-	md := createTestingMetadata(chartname, srv.URL())
-	if _, err := chartutil.Create(md, hh.String()); err != nil {
+	ch := createTestingMetadata(chartname, srv.URL())
+	md := ch.Metadata
+	if err := chartutil.SaveDir(ch, hh.String()); err != nil {
 		t.Fatal(err)
 	}
 
@@ -203,14 +204,17 @@ func TestDependencyUpdateCmd_DontDeleteOldChartsOnError(t *testing.T) {
 // createTestingMetadata creates a basic chart that depends on reqtest-0.1.0
 //
 // The baseURL can be used to point to a particular repository server.
-func createTestingMetadata(name, baseURL string) *chart.Metadata {
-	return &chart.Metadata{
+func createTestingMetadata(name, baseURL string) *chart.Chart {
+	return &chart.Chart{
+		Metadata: &chart.Metadata{
+			APIVersion: chart.APIVersionV1,
 			Name:       name,
 			Version:    "1.2.3",
 			Dependencies: []*chart.Dependency{
 				{Name: "reqtest", Version: "0.1.0", Repository: baseURL},
 				{Name: "compressedchart", Version: "0.1.0", Repository: baseURL},
 			},
+		},
 	}
 }
 
@@ -219,6 +223,5 @@ func createTestingMetadata(name, baseURL string) *chart.Metadata {
 // The baseURL can be used to point to a particular repository server.
 func createTestingChart(dest, name, baseURL string) error {
 	cfile := createTestingMetadata(name, baseURL)
-	_, err := chartutil.Create(cfile, dest)
-	return err
+	return chartutil.SaveDir(cfile, dest)
 }

cmd/helm/history.go

@@ -35,11 +35,11 @@ configures the maximum length of the revision list returned.
 The historical release set is printed as a formatted table, e.g:
 
     $ helm history angry-bird --max=4
-    REVISION   UPDATED                      STATUS           CHART        DESCRIPTION
-    1           Mon Oct 3 10:15:13 2016     superseded      alpine-0.1.0  Initial install
-    2           Mon Oct 3 10:15:13 2016     superseded      alpine-0.1.0  Upgraded successfully
-    3           Mon Oct 3 10:15:13 2016     superseded      alpine-0.1.0  Rolled back to 2
-    4           Mon Oct 3 10:15:13 2016     deployed        alpine-0.1.0  Upgraded successfully
+    REVISION    UPDATED                     STATUS          CHART             APP VERSION     DESCRIPTION
+    1           Mon Oct 3 10:15:13 2016     superseded      alpine-0.1.0      1.0             Initial install
+    2           Mon Oct 3 10:15:13 2016     superseded      alpine-0.1.0      1.0             Upgraded successfully
+    3           Mon Oct 3 10:15:13 2016     superseded      alpine-0.1.0      1.0             Rolled back to 2
+    4           Mon Oct 3 10:15:13 2016     deployed        alpine-0.1.0      1.0             Upgraded successfully
 `
 
 func newHistoryCmd(cfg *action.Configuration, out io.Writer) *cobra.Command {

cmd/helm/install_test.go

@@ -136,6 +136,53 @@ func TestInstall(t *testing.T) {
 			wantError: true,
 			golden:    "output/install-chart-bad-type.txt",
 		},
+		// Install, values from yaml, schematized
+		{
+			name:   "install with schema file",
+			cmd:    "install schema testdata/testcharts/chart-with-schema",
+			golden: "output/schema.txt",
+		},
+		// Install, values from yaml, schematized with errors
+		{
+			name:      "install with schema file, with errors",
+			cmd:       "install schema testdata/testcharts/chart-with-schema-negative",
+			wantError: true,
+			golden:    "output/schema-negative.txt",
+		},
+		// Install, values from yaml, extra values from yaml, schematized with errors
+		{
+			name:      "install with schema file, extra values from yaml, with errors",
+			cmd:       "install schema testdata/testcharts/chart-with-schema -f testdata/testcharts/chart-with-schema/extra-values.yaml",
+			wantError: true,
+			golden:    "output/schema-negative.txt",
+		},
+		// Install, values from yaml, extra values from cli, schematized with errors
+		{
+			name:      "install with schema file, extra values from cli, with errors",
+			cmd:       "install schema testdata/testcharts/chart-with-schema --set age=-5",
+			wantError: true,
+			golden:    "output/schema-negative-cli.txt",
+		},
+		// Install with subchart, values from yaml, schematized with errors
+		{
+			name:      "install with schema file and schematized subchart, with errors",
+			cmd:       "install schema testdata/testcharts/chart-with-schema-and-subchart",
+			wantError: true,
+			golden:    "output/subchart-schema-negative.txt",
+		},
+		// Install with subchart, values from yaml, extra values from cli, schematized with errors
+		{
+			name:   "install with schema file and schematized subchart, extra values from cli",
+			cmd:    "install schema testdata/testcharts/chart-with-schema-and-subchart --set lastname=doe --set subchart-with-schema.age=25",
+			golden: "output/subchart-schema-cli.txt",
+		},
+		// Install with subchart, values from yaml, extra values from cli, schematized with errors
+		{
+			name:      "install with schema file and schematized subchart, extra values from cli, with errors",
+			cmd:       "install schema testdata/testcharts/chart-with-schema-and-subchart --set lastname=doe --set subchart-with-schema.age=-25",
+			wantError: true,
+			golden:    "output/subchart-schema-cli-negative.txt",
+		},
 	}
 
 	runTestActionCmd(t, tests)

cmd/helm/release_testing.go

@@ -17,68 +17,29 @@ limitations under the License.
 package main
 
 import (
-	"fmt"
 	"io"
 
-	"github.com/pkg/errors"
 	"github.com/spf13/cobra"
 
-	"helm.sh/helm/cmd/helm/require"
 	"helm.sh/helm/pkg/action"
-	"helm.sh/helm/pkg/release"
 )
 
-const releaseTestDesc = `
-The test command runs the tests for a release.
+const releaseTestHelp = `
+The test command consists of multiple subcommands around running tests on a release.
+
+Example usage:
+    $ helm test run [RELEASE]
 
-The argument this command takes is the name of a deployed release.
-The tests to be run are defined in the chart that was installed.
 `
 
 func newReleaseTestCmd(cfg *action.Configuration, out io.Writer) *cobra.Command {
-	client := action.NewReleaseTesting(cfg)
-
 	cmd := &cobra.Command{
-		Use:   "test [RELEASE]",
-		Short: "test a release",
-		Long:  releaseTestDesc,
-		Args:  require.ExactArgs(1),
-		RunE: func(cmd *cobra.Command, args []string) error {
-			c, errc := client.Run(args[0])
-			testErr := &testErr{}
-
-			for {
-				select {
-				case err := <-errc:
-					if err == nil && testErr.failed > 0 {
-						return testErr.Error()
-					}
-					return err
-				case res, ok := <-c:
-					if !ok {
-						break
-					}
-
-					if res.Status == release.TestRunFailure {
-						testErr.failed++
-					}
-					fmt.Fprintf(out, res.Msg+"\n")
-				}
+		Use:   "test",
+		Short: "test a release or cleanup test artifacts",
+		Long:  releaseTestHelp,
 	}
-		},
-	}
-
-	f := cmd.Flags()
-	f.Int64Var(&client.Timeout, "timeout", 300, "time in seconds to wait for any individual Kubernetes operation (like Jobs for hooks)")
-	f.BoolVar(&client.Cleanup, "cleanup", false, "delete test pods upon completion")
-
+	cmd.AddCommand(
+		newReleaseTestRunCmd(cfg, out),
+	)
 	return cmd
 }
-
-type testErr struct {
-	failed int
-}
-
-func (err *testErr) Error() error {
-	return errors.Errorf("%v test(s) failed", err.failed)
-}

cmd/helm/release_testing_run.go

@@ -0,0 +1,83 @@
+/*
+Copyright The Helm Authors.
+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 (
+	"fmt"
+	"io"
+
+	"github.com/pkg/errors"
+	"github.com/spf13/cobra"
+
+	"helm.sh/helm/cmd/helm/require"
+	"helm.sh/helm/pkg/action"
+	"helm.sh/helm/pkg/release"
+)
+
+const releaseTestRunHelp = `
+The test command runs the tests for a release.
+
+The argument this command takes is the name of a deployed release.
+The tests to be run are defined in the chart that was installed.
+`
+
+func newReleaseTestRunCmd(cfg *action.Configuration, out io.Writer) *cobra.Command {
+	client := action.NewReleaseTesting(cfg)
+
+	cmd := &cobra.Command{
+		Use:   "run [RELEASE]",
+		Short: "run tests for a release",
+		Long:  releaseTestRunHelp,
+		Args:  require.ExactArgs(1),
+		RunE: func(cmd *cobra.Command, args []string) error {
+			c, errc := client.Run(args[0])
+			testErr := &testErr{}
+
+			for {
+				select {
+				case err := <-errc:
+					if err != nil && testErr.failed > 0 {
+						return testErr.Error()
+					}
+					return err
+				case res, ok := <-c:
+					if !ok {
+						break
+					}
+
+					if res.Status == release.TestRunFailure {
+						testErr.failed++
+					}
+					fmt.Fprintf(out, res.Msg+"\n")
+				}
+			}
+		},
+	}
+
+	f := cmd.Flags()
+	f.Int64Var(&client.Timeout, "timeout", 300, "time in seconds to wait for any individual Kubernetes operation (like Jobs for hooks)")
+	f.BoolVar(&client.Cleanup, "cleanup", false, "delete test pods upon completion")
+
+	return cmd
+}
+
+type testErr struct {
+	failed int
+}
+
+func (err *testErr) Error() error {
+	return errors.Errorf("%v test(s) failed", err.failed)
+}

cmd/helm/release_testing_test.go

@@ -1,96 +0,0 @@
-/*
-Copyright The Helm Authors.
-
-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 (
-	"testing"
-	"time"
-
-	"helm.sh/helm/pkg/release"
-)
-
-func TestReleaseTesting(t *testing.T) {
-	timestamp := time.Unix(1452902400, 0).UTC()
-
-	tests := []cmdTestCase{{
-		name: "successful test",
-		cmd:  "status test-success",
-		rels: []*release.Release{release.Mock(&release.MockReleaseOptions{
-			Name: "test-success",
-			TestSuiteResults: []*release.TestRun{
-				{
-					Name:        "test-success",
-					Status:      release.TestRunSuccess,
-					StartedAt:   timestamp,
-					CompletedAt: timestamp,
-				},
-			},
-		})},
-		golden: "output/test-success.txt",
-	}, {
-		name: "test failure",
-		cmd:  "status test-failure",
-		rels: []*release.Release{release.Mock(&release.MockReleaseOptions{
-			Name: "test-failure",
-			TestSuiteResults: []*release.TestRun{
-				{
-					Name:        "test-failure",
-					Status:      release.TestRunFailure,
-					StartedAt:   timestamp,
-					CompletedAt: timestamp,
-				},
-			},
-		})},
-		golden: "output/test-failure.txt",
-	}, {
-		name: "test unknown",
-		cmd:  "status test-unknown",
-		rels: []*release.Release{release.Mock(&release.MockReleaseOptions{
-			Name: "test-unknown",
-			TestSuiteResults: []*release.TestRun{
-				{
-					Name:        "test-unknown",
-					Status:      release.TestRunUnknown,
-					StartedAt:   timestamp,
-					CompletedAt: timestamp,
-				},
-			},
-		})},
-		golden: "output/test-unknown.txt",
-	}, {
-		name: "test running",
-		cmd:  "status test-running",
-		rels: []*release.Release{release.Mock(&release.MockReleaseOptions{
-			Name: "test-running",
-			TestSuiteResults: []*release.TestRun{
-				{
-					Name:        "test-running",
-					Status:      release.TestRunRunning,
-					StartedAt:   timestamp,
-					CompletedAt: timestamp,
-				},
-			},
-		})},
-		golden: "output/test-running.txt",
-	}, {
-		name:   "test with no tests",
-		cmd:    "test no-tests",
-		rels:   []*release.Release{release.Mock(&release.MockReleaseOptions{Name: "no-tests"})},
-		golden: "output/test-no-tests.txt",
-	}}
-	runTestCmd(t, tests)
-}

cmd/helm/testdata/output/history-limit.txt

@@ -1,3 +1,3 @@
-REVISION	UPDATED                      	STATUS    	CHART           	DESCRIPTION 
-3       	1977-09-02 22:04:05 +0000 UTC	superseded	foo-0.1.0-beta.1	Release mock
-4       	1977-09-02 22:04:05 +0000 UTC	deployed  	foo-0.1.0-beta.1	Release mock
+REVISION	UPDATED                      	STATUS    	CHART           	APP VERSION	DESCRIPTION 
+3       	1977-09-02 22:04:05 +0000 UTC	superseded	foo-0.1.0-beta.1	1.0        	Release mock
+4       	1977-09-02 22:04:05 +0000 UTC	deployed  	foo-0.1.0-beta.1	1.0        	Release mock

cmd/helm/testdata/output/history.json

@@ -1 +1 @@
-[{"revision":3,"updated":"1977-09-02 22:04:05 +0000 UTC","status":"superseded","chart":"foo-0.1.0-beta.1","description":"Release mock"},{"revision":4,"updated":"1977-09-02 22:04:05 +0000 UTC","status":"deployed","chart":"foo-0.1.0-beta.1","description":"Release mock"}]
+[{"revision":3,"updated":"1977-09-02 22:04:05 +0000 UTC","status":"superseded","chart":"foo-0.1.0-beta.1","app_version":"1.0","description":"Release mock"},{"revision":4,"updated":"1977-09-02 22:04:05 +0000 UTC","status":"deployed","chart":"foo-0.1.0-beta.1","app_version":"1.0","description":"Release mock"}]

cmd/helm/testdata/output/history.txt

@@ -1,5 +1,5 @@
-REVISION	UPDATED                      	STATUS    	CHART           	DESCRIPTION 
-1       	1977-09-02 22:04:05 +0000 UTC	superseded	foo-0.1.0-beta.1	Release mock
-2       	1977-09-02 22:04:05 +0000 UTC	superseded	foo-0.1.0-beta.1	Release mock
-3       	1977-09-02 22:04:05 +0000 UTC	superseded	foo-0.1.0-beta.1	Release mock
-4       	1977-09-02 22:04:05 +0000 UTC	deployed  	foo-0.1.0-beta.1	Release mock
+REVISION	UPDATED                      	STATUS    	CHART           	APP VERSION	DESCRIPTION 
+1       	1977-09-02 22:04:05 +0000 UTC	superseded	foo-0.1.0-beta.1	1.0        	Release mock
+2       	1977-09-02 22:04:05 +0000 UTC	superseded	foo-0.1.0-beta.1	1.0        	Release mock
+3       	1977-09-02 22:04:05 +0000 UTC	superseded	foo-0.1.0-beta.1	1.0        	Release mock
+4       	1977-09-02 22:04:05 +0000 UTC	deployed  	foo-0.1.0-beta.1	1.0        	Release mock

cmd/helm/testdata/output/history.yaml

@@ -1,9 +1,11 @@
-- chart: foo-0.1.0-beta.1
+- app_version: "1.0"
+  chart: foo-0.1.0-beta.1
   description: Release mock
   revision: 3
   status: superseded
   updated: 1977-09-02 22:04:05 +0000 UTC
-- chart: foo-0.1.0-beta.1
+- app_version: "1.0"
+  chart: foo-0.1.0-beta.1
   description: Release mock
   revision: 4
   status: deployed

cmd/helm/testdata/output/schema-negative-cli.txt

@@ -0,0 +1,4 @@
+Error: values don't meet the specifications of the schema(s) in the following chart(s):
+empty:
+- age: Must be greater than or equal to 0/1
+

cmd/helm/testdata/output/schema-negative.txt

@@ -0,0 +1,5 @@
+Error: values don't meet the specifications of the schema(s) in the following chart(s):
+empty:
+- (root): employmentInfo is required
+- age: Must be greater than or equal to 0/1
+

cmd/helm/testdata/output/schema.txt

@@ -0,0 +1,5 @@
+NAME: schema
+LAST DEPLOYED: 1977-09-02 22:04:05 +0000 UTC
+NAMESPACE: default
+STATUS: deployed
+

cmd/helm/testdata/output/subchart-schema-cli-negative.txt

@@ -0,0 +1,4 @@
+Error: values don't meet the specifications of the schema(s) in the following chart(s):
+subchart-with-schema:
+- age: Must be greater than or equal to 0/1
+

cmd/helm/testdata/output/subchart-schema-cli.txt

@@ -0,0 +1,5 @@
+NAME: schema
+LAST DEPLOYED: 1977-09-02 22:04:05 +0000 UTC
+NAMESPACE: default
+STATUS: deployed
+

cmd/helm/testdata/output/subchart-schema-negative.txt

@@ -0,0 +1,6 @@
+Error: values don't meet the specifications of the schema(s) in the following chart(s):
+chart-without-schema:
+- (root): lastname is required
+subchart-with-schema:
+- (root): age is required
+

cmd/helm/testdata/output/uninstall-multiple.txt

@@ -0,0 +1,2 @@
+release "aeneas" uninstalled
+release "aeneas2" uninstalled

cmd/helm/testdata/output/upgrade-with-bad-dependencies.txt

@@ -1 +1 @@
-Error: cannot load Chart.yaml: error converting YAML to JSON: yaml: line 5: did not find expected '-' indicator
+Error: cannot load Chart.yaml: error converting YAML to JSON: yaml: line 6: did not find expected '-' indicator

cmd/helm/testdata/output/upgrade-with-install-timeout.txt

@@ -4,8 +4,3 @@ LAST DEPLOYED: 1977-09-02 22:04:05 +0000 UTC
 NAMESPACE: default
 STATUS: deployed
 
-NOTES:
-1. Get the application URL by running these commands:
-  export POD_NAME=$(kubectl get pods -l "app=testUpgradeChart,release=crazy-bunny" -o jsonpath="{.items[0].metadata.name}")
-  echo "Visit http://127.0.0.1:8080 to use your application"
-  kubectl port-forward $POD_NAME 8080:80

cmd/helm/testdata/output/upgrade-with-install.txt

@@ -4,8 +4,3 @@ LAST DEPLOYED: 1977-09-02 22:04:05 +0000 UTC
 NAMESPACE: default
 STATUS: deployed
 
-NOTES:
-1. Get the application URL by running these commands:
-  export POD_NAME=$(kubectl get pods -l "app=testUpgradeChart,release=zany-bunny" -o jsonpath="{.items[0].metadata.name}")
-  echo "Visit http://127.0.0.1:8080 to use your application"
-  kubectl port-forward $POD_NAME 8080:80

cmd/helm/testdata/output/upgrade-with-reset-values.txt

@@ -4,8 +4,3 @@ LAST DEPLOYED: 1977-09-02 22:04:05 +0000 UTC
 NAMESPACE: default
 STATUS: deployed
 
-NOTES:
-1. Get the application URL by running these commands:
-  export POD_NAME=$(kubectl get pods -l "app=testUpgradeChart,release=funny-bunny" -o jsonpath="{.items[0].metadata.name}")
-  echo "Visit http://127.0.0.1:8080 to use your application"
-  kubectl port-forward $POD_NAME 8080:80

cmd/helm/testdata/output/upgrade-with-reset-values2.txt

@@ -4,8 +4,3 @@ LAST DEPLOYED: 1977-09-02 22:04:05 +0000 UTC
 NAMESPACE: default
 STATUS: deployed
 
-NOTES:
-1. Get the application URL by running these commands:
-  export POD_NAME=$(kubectl get pods -l "app=testUpgradeChart,release=funny-bunny" -o jsonpath="{.items[0].metadata.name}")
-  echo "Visit http://127.0.0.1:8080 to use your application"
-  kubectl port-forward $POD_NAME 8080:80

cmd/helm/testdata/output/upgrade-with-timeout.txt

@@ -4,8 +4,3 @@ LAST DEPLOYED: 1977-09-02 22:04:05 +0000 UTC
 NAMESPACE: default
 STATUS: deployed
 
-NOTES:
-1. Get the application URL by running these commands:
-  export POD_NAME=$(kubectl get pods -l "app=testUpgradeChart,release=funny-bunny" -o jsonpath="{.items[0].metadata.name}")
-  echo "Visit http://127.0.0.1:8080 to use your application"
-  kubectl port-forward $POD_NAME 8080:80

cmd/helm/testdata/output/upgrade-with-wait.txt

@@ -4,8 +4,3 @@ LAST DEPLOYED: 1977-09-02 22:04:05 +0000 UTC
 NAMESPACE: default
 STATUS: deployed
 
-NOTES:
-1. Get the application URL by running these commands:
-  export POD_NAME=$(kubectl get pods -l "app=testUpgradeChart,release=crazy-bunny" -o jsonpath="{.items[0].metadata.name}")
-  echo "Visit http://127.0.0.1:8080 to use your application"
-  kubectl port-forward $POD_NAME 8080:80

cmd/helm/testdata/output/upgrade.txt

@@ -4,8 +4,3 @@ LAST DEPLOYED: 1977-09-02 22:04:05 +0000 UTC
 NAMESPACE: default
 STATUS: deployed
 
-NOTES:
-1. Get the application URL by running these commands:
-  export POD_NAME=$(kubectl get pods -l "app=testUpgradeChart,release=funny-bunny" -o jsonpath="{.items[0].metadata.name}")
-  echo "Visit http://127.0.0.1:8080 to use your application"
-  kubectl port-forward $POD_NAME 8080:80

cmd/helm/testdata/testcharts/alpine/Chart.yaml

@@ -1,3 +1,4 @@
+apiVersion: v1
 description: Deploy a basic Alpine Linux pod
 home: https://helm.sh/helm
 name: alpine

cmd/helm/testdata/testcharts/chart-bad-requirements/Chart.yaml

@@ -1,3 +1,4 @@
+apiVersion: v1
 description: A Helm chart for Kubernetes
 name: chart-missing-deps
 version: 0.1.0

cmd/helm/testdata/testcharts/chart-bad-requirements/charts/reqsubchart/Chart.yaml

@@ -1,3 +1,4 @@
+apiVersion: v1
 description: A Helm chart for Kubernetes
 name: reqsubchart
 version: 0.1.0

cmd/helm/testdata/testcharts/chart-bad-type/Chart.yaml

@@ -1,7 +1,8 @@
+apiVersion: v1
 description: Deploy a basic Alpine Linux pod
 home: https://helm.sh/helm
 name: chart-bad-type
 sources:
-- https://github.com/helm/helm
+  - https://github.com/helm/helm
 version: 0.1.0
 type: foobar

cmd/helm/testdata/testcharts/chart-missing-deps/Chart.yaml

@@ -1,3 +1,4 @@
+apiVersion: v1
 description: A Helm chart for Kubernetes
 name: chart-missing-deps
 version: 0.1.0

cmd/helm/testdata/testcharts/chart-missing-deps/charts/reqsubchart/Chart.yaml

@@ -1,3 +1,4 @@
+apiVersion: v1
 description: A Helm chart for Kubernetes
 name: reqsubchart
 version: 0.1.0

cmd/helm/testdata/testcharts/chart-with-schema-and-subchart/Chart.yaml

@@ -0,0 +1,6 @@
+apiVersion: v1
+name: chart-without-schema
+description: A Helm chart for Kubernetes
+type: application
+version: 0.1.0
+appVersion: 0.1.0

cmd/helm/testdata/testcharts/chart-with-schema-and-subchart/charts/subchart-with-schema/Chart.yaml

@@ -0,0 +1,6 @@
+apiVersion: v1
+name: subchart-with-schema
+description: A Helm chart for Kubernetes
+type: application
+version: 0.1.0
+appVersion: 0.1.0

cmd/helm/testdata/testcharts/chart-with-schema-and-subchart/charts/subchart-with-schema/templates/empty.yaml

@@ -0,0 +1 @@
+# This file is intentionally blank

cmd/helm/testdata/testcharts/chart-with-schema-and-subchart/charts/subchart-with-schema/values.schema.json

@@ -0,0 +1,15 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "title": "Values",
+  "type": "object",
+  "properties": {
+    "age": {
+      "description": "Age",
+      "minimum": 0,
+      "type": "integer"
+    }
+  },
+  "required": [
+    "age"
+  ]
+}

cmd/helm/testdata/testcharts/chart-with-schema-and-subchart/templates/empty.yaml

@@ -0,0 +1 @@
+# This file is intentionally blank

cmd/helm/testdata/testcharts/chart-with-schema-and-subchart/values.schema.json

@@ -0,0 +1,18 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "title": "Values",
+  "type": "object",
+  "properties": {
+    "firstname": {
+      "description": "First name",
+      "type": "string"
+    },
+    "lastname": {
+      "type": "string"
+    }
+  },
+  "required": [
+    "firstname",
+    "lastname"
+  ]
+}

cmd/helm/testdata/testcharts/chart-with-schema-and-subchart/values.yaml

@@ -0,0 +1 @@
+firstname: "John"

cmd/helm/testdata/testcharts/chart-with-schema-negative/Chart.yaml

@@ -0,0 +1,7 @@
+apiVersion: v1
+description: Empty testing chart
+home: https://k8s.io/helm
+name: empty
+sources:
+- https://github.com/kubernetes/helm
+version: 0.1.0

cmd/helm/testdata/testcharts/chart-with-schema-negative/templates/empty.yaml

@@ -0,0 +1 @@
+# This file is intentionally blank

cmd/helm/testdata/testcharts/chart-with-schema-negative/values.schema.json

@@ -0,0 +1,67 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "properties": {
+    "addresses": {
+      "description": "List of addresses",
+      "items": {
+        "properties": {
+          "city": {
+            "type": "string"
+          },
+          "number": {
+            "type": "number"
+          },
+          "street": {
+            "type": "string"
+          }
+        },
+        "type": "object"
+      },
+      "type": "array"
+    },
+    "age": {
+      "description": "Age",
+      "minimum": 0,
+      "type": "integer"
+    },
+    "employmentInfo": {
+      "properties": {
+        "salary": {
+          "minimum": 0,
+          "type": "number"
+        },
+        "title": {
+          "type": "string"
+        }
+      },
+      "required": [
+        "salary"
+      ],
+      "type": "object"
+    },
+    "firstname": {
+      "description": "First name",
+      "type": "string"
+    },
+    "lastname": {
+      "type": "string"
+    },
+    "likesCoffee": {
+      "type": "boolean"
+    },
+    "phoneNumbers": {
+      "items": {
+        "type": "string"
+      },
+      "type": "array"
+    }
+  },
+  "required": [
+    "firstname",
+    "lastname",
+    "addresses",
+    "employmentInfo"
+  ],
+  "title": "Values",
+  "type": "object"
+}

cmd/helm/testdata/testcharts/chart-with-schema-negative/values.yaml

@@ -0,0 +1,14 @@
+firstname: John
+lastname: Doe
+age: -5
+likesCoffee: true
+addresses:
+  - city: Springfield
+    street: Main
+    number: 12345
+  - city: New York
+    street: Broadway
+    number: 67890
+phoneNumbers:
+  - "(888) 888-8888"
+  - "(555) 555-5555"

cmd/helm/testdata/testcharts/chart-with-schema/Chart.yaml

@@ -0,0 +1,7 @@
+apiVersion: v1
+description: Empty testing chart
+home: https://k8s.io/helm
+name: empty
+sources:
+- https://github.com/kubernetes/helm
+version: 0.1.0

cmd/helm/testdata/testcharts/chart-with-schema/extra-values.yaml

@@ -0,0 +1,2 @@
+age: -5
+employmentInfo: null

cmd/helm/testdata/testcharts/chart-with-schema/templates/empty.yaml

@@ -0,0 +1 @@
+# This file is intentionally blank

cmd/helm/testdata/testcharts/chart-with-schema/values.schema.json

@@ -0,0 +1,67 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "properties": {
+    "addresses": {
+      "description": "List of addresses",
+      "items": {
+        "properties": {
+          "city": {
+            "type": "string"
+          },
+          "number": {
+            "type": "number"
+          },
+          "street": {
+            "type": "string"
+          }
+        },
+        "type": "object"
+      },
+      "type": "array"
+    },
+    "age": {
+      "description": "Age",
+      "minimum": 0,
+      "type": "integer"
+    },
+    "employmentInfo": {
+      "properties": {
+        "salary": {
+          "minimum": 0,
+          "type": "number"
+        },
+        "title": {
+          "type": "string"
+        }
+      },
+      "required": [
+        "salary"
+      ],
+      "type": "object"
+    },
+    "firstname": {
+      "description": "First name",
+      "type": "string"
+    },
+    "lastname": {
+      "type": "string"
+    },
+    "likesCoffee": {
+      "type": "boolean"
+    },
+    "phoneNumbers": {
+      "items": {
+        "type": "string"
+      },
+      "type": "array"
+    }
+  },
+  "required": [
+    "firstname",
+    "lastname",
+    "addresses",
+    "employmentInfo"
+  ],
+  "title": "Values",
+  "type": "object"
+}

cmd/helm/testdata/testcharts/chart-with-schema/values.yaml

@@ -0,0 +1,17 @@
+firstname: John
+lastname: Doe
+age: 25
+likesCoffee: true
+employmentInfo:
+  title: Software Developer
+  salary: 100000
+addresses:
+  - city: Springfield
+    street: Main
+    number: 12345
+  - city: New York
+    street: Broadway
+    number: 67890
+phoneNumbers:
+  - "(888) 888-8888"
+  - "(555) 555-5555"

cmd/helm/testdata/testcharts/decompressedchart/Chart.yaml

@@ -1,3 +1,4 @@
+apiVersion: v1
 description: A Helm chart for Kubernetes
 name: decompressedchart
 version: 0.1.0

cmd/helm/testdata/testcharts/empty/Chart.yaml

@@ -1,6 +1,7 @@
+apiVersion: v1
 description: Empty testing chart
 home: https://helm.sh/helm
 name: empty
 sources:
-- https://github.com/helm/helm
+  - https://github.com/helm/helm
 version: 0.1.0

cmd/helm/testdata/testcharts/issue1979/Chart.yaml

@@ -1,6 +1,7 @@
+apiVersion: v1
 description: Deploy a basic Alpine Linux pod
 home: https://helm.sh/helm
 name: alpine
 sources:
-- https://github.com/helm/helm
+  - https://github.com/helm/helm
 version: 0.1.0

cmd/helm/testdata/testcharts/novals/Chart.yaml

@@ -1,6 +1,7 @@
+apiVersion: v1
 description: Deploy a basic Alpine Linux pod
 home: https://helm.sh/helm
 name: novals
 sources:
-- https://github.com/helm/helm
+  - https://github.com/helm/helm
 version: 0.2.0

cmd/helm/testdata/testcharts/reqtest/Chart.yaml

@@ -1,3 +1,4 @@
+apiVersion: v1
 description: A Helm chart for Kubernetes
 name: reqtest
 version: 0.1.0

cmd/helm/testdata/testcharts/reqtest/charts/reqsubchart/Chart.yaml

@@ -1,3 +1,4 @@
+apiVersion: v1
 description: A Helm chart for Kubernetes
 name: reqsubchart
 version: 0.1.0

cmd/helm/testdata/testcharts/reqtest/charts/reqsubchart2/Chart.yaml

@@ -1,3 +1,4 @@
+apiVersion: v1
 description: A Helm chart for Kubernetes
 name: reqsubchart2
 version: 0.2.0

cmd/helm/testdata/testcharts/signtest-0.1.0.tgz.prov

@@ -1,20 +1,21 @@
 -----BEGIN PGP SIGNED MESSAGE-----
 Hash: SHA512
 
+apiVersion: v1
 description: A Helm chart for Kubernetes
 name: signtest
 version: 0.1.0
 
 ...
 files:
-  signtest-0.1.0.tgz: sha256:dee72947753628425b82814516bdaa37aef49f25e8820dd2a6e15a33a007823b
+  signtest-0.1.0.tgz: sha256:e5ef611620fb97704d8751c16bab17fedb68883bfb0edc76f78a70e9173f9b55
 -----BEGIN PGP SIGNATURE-----
 
-wsBcBAEBCgAQBQJXomNHCRCEO7+YH8GHYgAALywIAG1Me852Fpn1GYu8Q1GCcw4g
-l2k7vOFchdDwDhdSVbkh4YyvTaIO3iE2Jtk1rxw+RIJiUr0eLO/rnIJuxZS8WKki
-DR1LI9J1VD4dxN3uDETtWDWq7ScoPsRY5mJvYZXC8whrWEt/H2kfqmoA9LloRPWp
-flOE0iktA4UciZOblTj6nAk3iDyjh/4HYL4a6tT0LjjKI7OTw4YyHfjHad1ywVCz
-9dMUc1rPgTnl+fnRiSPSrlZIWKOt1mcQ4fVrU3nwtRUwTId2k8FtygL0G6M+Y6t0
-S6yaU7qfk9uTxkdkUF7Bf1X3ukxfe+cNBC32vf4m8LY4NkcYfSqK2fGtQsnVr6s=
-=NyOM
+wsBcBAEBCgAQBQJcoosfCRCEO7+YH8GHYgAA220IALAs8T8NPgkcLvHu+5109cAN
+BOCNPSZDNsqLZW/2Dc9cKoBG7Jen4Qad+i5l9351kqn3D9Gm6eRfAWcjfggRobV/
+9daZ19h0nl4O1muQNAkjvdgZt8MOP3+PB3I3/Tu2QCYjI579SLUmuXlcZR5BCFPR
+PJy+e3QpV2PcdeU2KZLG4tjtlrq+3QC9ZHHEJLs+BVN9d46Dwo6CxJdHJrrrAkTw
+M8MhA92vbiTTPRSCZI9x5qDAwJYhoq0oxLflpuL2tIlo3qVoCsaTSURwMESEHO32
+XwYG7BaVDMELWhAorBAGBGBwWFbJ1677qQ2gd9CN0COiVhekWlFRcnn60800r84=
+=k9Y9
 -----END PGP SIGNATURE-----

cmd/helm/testdata/testcharts/signtest/Chart.yaml

@@ -1,3 +1,4 @@
+apiVersion: v1
 description: A Helm chart for Kubernetes
 name: signtest
 version: 0.1.0

cmd/helm/testdata/testcharts/signtest/alpine/Chart.yaml

@@ -1,3 +1,4 @@
+apiVersion: v1
 description: Deploy a basic Alpine Linux pod
 home: https://helm.sh/helm
 name: alpine

cmd/helm/uninstall.go

@@ -27,8 +27,10 @@ import (
 )
 
 const uninstallDesc = `
-This command takes a release name, and then uninstalls the release from Kubernetes.
-It removes all of the resources associated with the last release of the chart.
+This command takes a release name and uninstalls the release.
+
+It removes all of the resources associated with the last release of the chart
+as well as the release history, freeing it up for future use.
 
 Use the '--dry-run' flag to see which releases will be uninstalled without actually
 uninstalling them.
@@ -41,13 +43,13 @@ func newUninstallCmd(cfg *action.Configuration, out io.Writer) *cobra.Command {
 		Use:        "uninstall RELEASE_NAME [...]",
 		Aliases:    []string{"del", "delete", "un"},
 		SuggestFor: []string{"remove", "rm"},
-		Short:      "given a release name, uninstall the release from Kubernetes",
+		Short:      "uninstall a release",
 		Long:       uninstallDesc,
 		Args:       require.MinimumNArgs(1),
 		RunE: func(cmd *cobra.Command, args []string) error {
 			for i := 0; i < len(args); i++ {
 
-				res, err := client.Run(args[0])
+				res, err := client.Run(args[i])
 				if err != nil {
 					return err
 				}
@@ -64,7 +66,7 @@ func newUninstallCmd(cfg *action.Configuration, out io.Writer) *cobra.Command {
 	f := cmd.Flags()
 	f.BoolVar(&client.DryRun, "dry-run", false, "simulate a uninstall")
 	f.BoolVar(&client.DisableHooks, "no-hooks", false, "prevent hooks from running during uninstallation")
-	f.BoolVar(&client.Purge, "purge", false, "remove the release from the store and make its name free for later use")
+	f.BoolVar(&client.KeepHistory, "keep-history", false, "remove all associated resources and mark the release as deleted, but retain the release history")
 	f.Int64Var(&client.Timeout, "timeout", 300, "time in seconds to wait for any individual Kubernetes operation (like Jobs for hooks)")
 
 	return cmd

cmd/helm/uninstall_test.go

@@ -30,6 +30,15 @@ func TestUninstall(t *testing.T) {
 			golden: "output/uninstall.txt",
 			rels:   []*release.Release{release.Mock(&release.MockReleaseOptions{Name: "aeneas"})},
 		},
+		{
+			name:   "multiple uninstall",
+			cmd:    "uninstall aeneas aeneas2",
+			golden: "output/uninstall-multiple.txt",
+			rels: []*release.Release{
+				release.Mock(&release.MockReleaseOptions{Name: "aeneas"}),
+				release.Mock(&release.MockReleaseOptions{Name: "aeneas2"}),
+			},
+		},
 		{
 			name:   "uninstall with timeout",
 			cmd:    "uninstall aeneas --timeout 120",
@@ -43,9 +52,9 @@ func TestUninstall(t *testing.T) {
 			rels:   []*release.Release{release.Mock(&release.MockReleaseOptions{Name: "aeneas"})},
 		},
 		{
-			name:   "purge",
-			cmd:    "uninstall aeneas --purge",
-			golden: "output/uninstall-purge.txt",
+			name:   "keep history",
+			cmd:    "uninstall aeneas --keep-history",
+			golden: "output/uninstall-keep-history.txt",
 			rels:   []*release.Release{release.Mock(&release.MockReleaseOptions{Name: "aeneas"})},
 		},
 		{

cmd/helm/upgrade_test.go

@@ -18,6 +18,7 @@ package main
 
 import (
 	"fmt"
+	"path/filepath"
 	"testing"
 
 	"helm.sh/helm/pkg/chart"
@@ -28,13 +29,16 @@ import (
 
 func TestUpgradeCmd(t *testing.T) {
 	tmpChart := testTempDir(t)
-	cfile := &chart.Metadata{
+	cfile := &chart.Chart{
+		Metadata: &chart.Metadata{
+			APIVersion:  chart.APIVersionV1,
 			Name:        "testUpgradeChart",
 			Description: "A Helm chart for Kubernetes",
 			Version:     "0.1.0",
+		},
 	}
-	chartPath, err := chartutil.Create(cfile, tmpChart)
-	if err != nil {
+	chartPath := filepath.Join(tmpChart, cfile.Metadata.Name)
+	if err := chartutil.SaveDir(cfile, tmpChart); err != nil {
 		t.Fatalf("Error creating chart for upgrade: %v", err)
 	}
 	ch, err := loader.Load(chartPath)
@@ -47,14 +51,9 @@ func TestUpgradeCmd(t *testing.T) {
 	})
 
 	// update chart version
-	cfile = &chart.Metadata{
-		Name:        "testUpgradeChart",
-		Description: "A Helm chart for Kubernetes",
-		Version:     "0.1.2",
-	}
+	cfile.Metadata.Version = "0.1.2"
 
-	chartPath, err = chartutil.Create(cfile, tmpChart)
-	if err != nil {
+	if err := chartutil.SaveDir(cfile, tmpChart); err != nil {
 		t.Fatalf("Error creating chart: %v", err)
 	}
 	ch, err = loader.Load(chartPath)
@@ -63,14 +62,9 @@ func TestUpgradeCmd(t *testing.T) {
 	}
 
 	// update chart version again
-	cfile = &chart.Metadata{
-		Name:        "testUpgradeChart",
-		Description: "A Helm chart for Kubernetes",
-		Version:     "0.1.3",
-	}
+	cfile.Metadata.Version = "0.1.3"
 
-	chartPath, err = chartutil.Create(cfile, tmpChart)
-	if err != nil {
+	if err := chartutil.SaveDir(cfile, tmpChart); err != nil {
 		t.Fatalf("Error creating chart: %v", err)
 	}
 	var ch2 *chart.Chart

docs/charts.md

@@ -26,6 +26,7 @@ wordpress/
   LICENSE             # OPTIONAL: A plain text file containing the license for the chart
   README.md           # OPTIONAL: A human-readable README file
   values.yaml         # The default configuration values for this chart
+  values.schema.json  # OPTIONAL: A JSON Schema for imposing a structure on the values.yaml file
   charts/             # A directory containing any charts upon which this chart depends.
   templates/          # A directory of templates that, when combined with values,
                       # will generate valid Kubernetes manifest files.
@@ -763,14 +764,98 @@ parent chart.
 
 Also, global variables of parent charts take precedence over the global variables from subcharts.
 
+### Schema Files
+
+Sometimes, a chart maintainer might want to define a structure on their values.
+This can be done by defining a schema in the `values.schema.json` file. A
+schema is represented as a [JSON Schema](https://json-schema.org/).
+It might look something like this:
+
+```json
+{
+  "$schema": "http://json-schema.org/draft-07/schema#",
+  "properties": {
+    "image": {
+      "description": "Container Image",
+      "properties": {
+        "repo": {
+          "type": "string"
+        },
+        "tag": {
+          "type": "string"
+        }
+      },
+      "type": "object"
+    },
+    "name": {
+      "description": "Service name",
+      "type": "string"
+    },
+    "port": {
+      "description": "Port",
+      "minimum": 0,
+      "type": "integer"
+    },
+    "protocol": {
+      "type": "string"
+    }
+  },
+  "required": [
+    "protocol",
+    "port"
+  ],
+  "title": "Values",
+  "type": "object"
+}
+```
+
+This schema will be applied to the values to validate it. Validation occurs
+when any of the following commands are invoked:
+
+* `helm install`
+* `helm upgrade`
+* `helm lint`
+* `helm template`
+
+An example of a
+`values.yaml` file that meets the requirements of this schema might look
+something like this:
+
+```yaml
+name: frontend
+protocol: https
+port: 443
+```
+
+Note that the schema is applied to the final `.Values` object, and not just to
+the `values.yaml` file. This means that the following `yaml` file is valid,
+given that the chart is installed with the appropriate `--set` option shown
+below.
+
+```yaml
+name: frontend
+protocol: https
+```
+
+````
+helm install --set port=443
+````
+
+Furthermore, the final `.Values` object is checked against *all* subchart
+schemas. This means that restrictions on a subchart can't be circumvented by a
+parent chart. This also works backwards - if a subchart has a requirement that
+is not met in the subchart's `values.yaml` file, the parent chart *must*
+satisfy those restrictions in order to be valid.
+
 ### References
 
-When it comes to writing templates and values files, there are several
+When it comes to writing templates, values, and schema files, there are several
 standard references that will help you out.
 
 - [Go templates](https://godoc.org/text/template)
 - [Extra template functions](https://godoc.org/github.com/Masterminds/sprig)
 - [The YAML format](http://yaml.org/spec/)
+- [JSON Schema](https://json-schema.org/)
 
 ## Using Helm to Manage Charts
 

docs/developers.md

@@ -19,7 +19,7 @@ $ make bootstrap build
 ```
 
 NOTE: This will fail if not running from the path `$GOPATH/src/helm.sh/helm`. The
-directory `k8s.io` should not be a symlink or `build` will not find the relevant
+directory `helm.sh` should not be a symlink or `build` will not find the relevant
 packages.
 
 This will build both Helm and the Helm library. `make bootstrap` will attempt to
@@ -94,7 +94,7 @@ home of the current development candidate. Releases are tagged.
 We accept changes to the code via GitHub Pull Requests (PRs). One
 workflow for doing this is as follows:
 
-1. Go to your `$GOPATH/src/k8s.io` directory and `git clone` the
+1. Go to your `$GOPATH/src` directory, then `mkdir helm.sh; cd helm.sh` and `git clone` the
    `github.com/helm/helm` repository.
 2. Fork that repository into your GitHub account
 3. Add your repository as a remote for `$GOPATH/src/helm.sh/helm`

docs/examples/alpine/Chart.yaml

@@ -1,3 +1,4 @@
+apiVersion: v1
 name: alpine
 description: Deploy a basic Alpine Linux pod
 version: 0.1.0

docs/examples/nginx/Chart.yaml

@@ -1,3 +1,4 @@
+apiVersion: v1
 name: nginx
 description: A basic NGINX HTTP server
 version: 0.1.0

docs/examples/nginx/charts/alpine/Chart.yaml

@@ -1,3 +1,4 @@
+apiVersion: v1
 name: alpine
 description: Deploy a basic Alpine Linux pod
 version: 0.1.0

docs/faq.md

@@ -15,6 +15,16 @@ Here's an exhaustive list of all the major changes introduced in Helm 3.
 In Helm 3, Helm switched the Go import path over from `k8s.io/helm` to `helm.sh/helm`. If you intend
 to upgrade to the Helm 3 Go client libraries, make sure to change your import paths.
 
+### Helm delete
+
+In order to better align the verbiage from other package managers, `helm delete` was re-named to
+`helm uninstall`. `helm delete` is still retained as an alias to `helm uninstall`, so either form
+can be used.
+
+In Helm 2, in order to purge the release ledger, the `--purge` flag had to be provided. This
+functionality is now enabled by default. To retain the previous behaviour, use
+`helm uninstall --keep-history`.
+
 
 ## Installing
 

pkg/action/history.go

@@ -34,6 +34,7 @@ type releaseInfo struct {
 	Updated     string `json:"updated"`
 	Status      string `json:"status"`
 	Chart       string `json:"chart"`
+	AppVersion  string `json:"app_version"`
 	Description string `json:"description"`
 }
 
@@ -142,11 +143,13 @@ func getReleaseHistory(rls []*release.Release) (history releaseHistory) {
 		s := r.Info.Status.String()
 		v := r.Version
 		d := r.Info.Description
+		a := formatAppVersion(r.Chart)
 
 		rInfo := releaseInfo{
 			Revision:    v,
 			Status:      s,
 			Chart:       c,
+			AppVersion:  a,
 			Description: d,
 		}
 		if !r.Info.LastDeployed.IsZero() {
@@ -162,10 +165,10 @@ func getReleaseHistory(rls []*release.Release) (history releaseHistory) {
 func formatAsTable(releases releaseHistory) []byte {
 	tbl := uitable.New()
 
-	tbl.AddRow("REVISION", "UPDATED", "STATUS", "CHART", "DESCRIPTION")
+	tbl.AddRow("REVISION", "UPDATED", "STATUS", "CHART", "APP VERSION", "DESCRIPTION")
 	for i := 0; i <= len(releases)-1; i++ {
 		r := releases[i]
-		tbl.AddRow(r.Revision, r.Updated, r.Status, r.Chart, r.Description)
+		tbl.AddRow(r.Revision, r.Updated, r.Status, r.Chart, r.AppVersion, r.Description)
 	}
 	return tbl.Bytes()
 }
@@ -178,3 +181,12 @@ func formatChartname(c *chart.Chart) string {
 	}
 	return fmt.Sprintf("%s-%s", c.Name(), c.Metadata.Version)
 }
+
+func formatAppVersion(c *chart.Chart) string {
+	if c == nil || c.Metadata == nil {
+		// This is an edge case that has happened in prod, though we don't
+		// know how: https://github.com/helm/helm/issues/1347
+		return "MISSING"
+	}
+	return c.AppVersion()
+}

pkg/action/lint_test.go

@@ -29,6 +29,8 @@ var (
 	invalidArchivedChartPath     = "../../cmd/helm/testdata/testcharts/invalidcompressedchart0.1.0.tgz"
 	chartDirPath                 = "../../cmd/helm/testdata/testcharts/decompressedchart/"
 	chartMissingManifest         = "../../cmd/helm/testdata/testcharts/chart-missing-manifest"
+	chartSchema                  = "../../cmd/helm/testdata/testcharts/chart-with-schema"
+	chartSchemaNegative          = "../../cmd/helm/testdata/testcharts/chart-with-schema-negative"
 )
 
 func TestLintChart(t *testing.T) {
@@ -47,4 +49,10 @@ func TestLintChart(t *testing.T) {
 	if _, err := lintChart(chartMissingManifest, values, namespace, strict); err == nil {
 		t.Error("Expected a chart parsing error")
 	}
+	if _, err := lintChart(chartSchema, values, namespace, strict); err != nil {
+		t.Error(err)
+	}
+	if _, err := lintChart(chartSchemaNegative, values, namespace, strict); err != nil {
+		t.Error(err)
+	}
 }

pkg/action/uninstall.go

@@ -38,7 +38,7 @@ type Uninstall struct {
 
 	DisableHooks bool
 	DryRun       bool
-	Purge        bool
+	KeepHistory  bool
 	Timeout      int64
 }
 
@@ -78,7 +78,7 @@ func (u *Uninstall) Run(name string) (*release.UninstallReleaseResponse, error)
 	// TODO: Are there any cases where we want to force a delete even if it's
 	// already marked deleted?
 	if rel.Info.Status == release.StatusUninstalled {
-		if u.Purge {
+		if !u.KeepHistory {
 			if err := u.purgeReleases(rels...); err != nil {
 				return nil, errors.Wrap(err, "uninstall: Failed to purge the release")
 			}
@@ -119,7 +119,7 @@ func (u *Uninstall) Run(name string) (*release.UninstallReleaseResponse, error)
 	rel.Info.Status = release.StatusUninstalled
 	rel.Info.Description = "Uninstallation complete"
 
-	if u.Purge {
+	if !u.KeepHistory {
 		u.cfg.Log("purge requested for %s", name)
 		err := u.purgeReleases(rels...)
 		return res, errors.Wrap(err, "uninstall: Failed to purge the release")

pkg/chart/chart.go

@@ -15,8 +15,8 @@ limitations under the License.
 
 package chart
 
-// APIVersionv1 is the API version number for version 1.
-const APIVersionv1 = "v1"
+// APIVersionV1 is the API version number for version 1.
+const APIVersionV1 = "v1"
 
 // Chart is a helm package that contains metadata, a default config, zero or more
 // optionally parameterizable templates, and zero or more charts (dependencies).
@@ -31,6 +31,8 @@ type Chart struct {
 	RawValues []byte
 	// Values are default config for this template.
 	Values map[string]interface{}
+	// Schema is an optional JSON schema for imposing structure on Values
+	Schema []byte
 	// Files are miscellaneous files in a chart archive,
 	// e.g. README, LICENSE, etc.
 	Files []*File
@@ -96,3 +98,15 @@ func (ch *Chart) ChartFullPath() string {
 	}
 	return ch.Name()
 }
+
+func (ch *Chart) Validate() error {
+	return ch.Metadata.Validate()
+}
+
+// AppVersion returns the appversion of the chart.
+func (ch *Chart) AppVersion() string {
+	if ch.Metadata == nil {
+		return ""
+	}
+	return ch.Metadata.AppVersion
+}

pkg/chart/loader/load.go

@@ -90,6 +90,8 @@ func LoadFiles(files []*BufferedFile) (*chart.Chart, error) {
 				return c, errors.Wrap(err, "cannot load values.yaml")
 			}
 			c.RawValues = f.Data
+		case f.Name == "values.schema.json":
+			c.Schema = f.Data
 		case strings.HasPrefix(f.Name, "templates/"):
 			c.Templates = append(c.Templates, &chart.File{Name: f.Name, Data: f.Data})
 		case strings.HasPrefix(f.Name, "charts/"):
@@ -106,12 +108,8 @@ func LoadFiles(files []*BufferedFile) (*chart.Chart, error) {
 		}
 	}
 
-	// Ensure that we got a Chart.yaml file
-	if c.Metadata == nil {
-		return c, errors.New("chart metadata (Chart.yaml) missing")
-	}
-	if c.Name() == "" {
-		return c, errors.New("invalid chart (Chart.yaml): name must not be empty")
+	if err := c.Validate(); err != nil {
+		return c, err
 	}
 
 	for n, files := range subcharts {

pkg/chart/loader/load_test.go

@@ -17,6 +17,7 @@ limitations under the License.
 package loader
 
 import (
+	"bytes"
 	"testing"
 
 	"helm.sh/helm/pkg/chart"
@@ -78,6 +79,10 @@ icon: https://example.com/64x64.png
 			Name: "values.yaml",
 			Data: []byte("var: some values"),
 		},
+		{
+			Name: "values.schema.json",
+			Data: []byte("type: Values"),
+		},
 		{
 			Name: "templates/deployment.yaml",
 			Data: []byte("some deployment"),
@@ -101,6 +106,10 @@ icon: https://example.com/64x64.png
 		t.Error("Expected chart values to be populated with default values")
 	}
 
+	if !bytes.Equal(c.Schema, []byte("type: Values")) {
+		t.Error("Expected chart schema to be populated with default values")
+	}
+
 	if len(c.Templates) != 2 {
 		t.Errorf("Expected number of templates == 2, got %d", len(c.Templates))
 	}
@@ -109,7 +118,7 @@ icon: https://example.com/64x64.png
 	if err == nil {
 		t.Fatal("Expected err to be non-nil")
 	}
-	if err.Error() != "chart metadata (Chart.yaml) missing" {
+	if err.Error() != "metadata is required" {
 		t.Errorf("Expected chart metadata missing error, got '%s'", err.Error())
 	}
 }

pkg/chart/loader/testdata/albatross/Chart.yaml

@@ -1,3 +1,4 @@
+apiVersion: v1
 name: albatross
 description: A Helm chart for Kubernetes
 version: 0.1.0

pkg/chart/loader/testdata/frobnitz/charts/alpine/Chart.yaml

@@ -1,3 +1,4 @@
+apiVersion: v1
 name: alpine
 description: Deploy a basic Alpine Linux pod
 version: 0.1.0

pkg/chart/loader/testdata/frobnitz/charts/alpine/charts/mast1/Chart.yaml

@@ -1,3 +1,4 @@
+apiVersion: v1
 name: mast1
 description: A Helm chart for Kubernetes
 version: 0.1.0

pkg/chart/loader/testdata/frobnitz_backslash/charts/alpine/Chart.yaml

@@ -1,3 +1,4 @@
+apiVersion: v1
 name: alpine
 description: Deploy a basic Alpine Linux pod
 version: 0.1.0

pkg/chart/loader/testdata/frobnitz_backslash/charts/alpine/charts/mast1/Chart.yaml

@@ -1,3 +1,4 @@
+apiVersion: v1
 name: mast1
 description: A Helm chart for Kubernetes
 version: 0.1.0

pkg/chart/loader/testdata/genfrob.sh

@@ -6,7 +6,9 @@ tar -zcvf mariner/charts/albatross-0.1.0.tgz albatross
 
 echo "Packing mariner into frobnitz"
 tar -zcvf frobnitz/charts/mariner-4.3.2.tgz mariner
+tar -zcvf frobnitz_backslash/charts/mariner-4.3.2.tgz mariner
 
 # Pack the frobnitz chart.
 echo "Packing frobnitz"
 tar --exclude=ignore/* -zcvf frobnitz-1.2.3.tgz frobnitz
+tar --exclude=ignore/* -zcvf frobnitz_backslash-1.2.3.tgz frobnitz_backslash

pkg/chart/loader/testdata/mariner/Chart.yaml

@@ -1,3 +1,4 @@
+apiVersion: v1
 name: mariner
 description: A Helm chart for Kubernetes
 version: 4.3.2

pkg/chart/metadata.go

@@ -15,6 +15,8 @@ limitations under the License.
 
 package chart
 
+import "errors"
+
 // Maintainer describes a Chart maintainer.
 type Maintainer struct {
 	// Name is a user name or organization name
@@ -65,3 +67,20 @@ type Metadata struct {
 	// Specifies the chart type: application or library
 	Type string `json:"type,omitempty"`
 }
+
+func (md *Metadata) Validate() error {
+	if md == nil {
+		return errors.New("metadata is required")
+	}
+	if md.APIVersion == "" {
+		return errors.New("metadata apiVersion is required")
+	}
+	if md.Name == "" {
+		return errors.New("metadata name is required")
+	}
+	if md.Version == "" {
+		return errors.New("metadata version is required")
+	}
+	// TODO validate valid semver here?
+	return nil
+}

pkg/chartutil/chartfile_test.go

@@ -40,8 +40,8 @@ func verifyChartfile(t *testing.T, f *chart.Metadata, name string) {
 	}
 
 	// Api instead of API because it was generated via protobuf.
-	if f.APIVersion != chart.APIVersionv1 {
-		t.Errorf("Expected API Version %q, got %q", chart.APIVersionv1, f.APIVersion)
+	if f.APIVersion != chart.APIVersionV1 {
+		t.Errorf("Expected API Version %q, got %q", chart.APIVersionV1, f.APIVersion)
 	}
 
 	if f.Name != name {