Add Chart tar reader, dir reader, tests.

chart/chart.go

@@ -1,11 +1,23 @@
 package chart
 
 import (
+	"archive/tar"
+	"compress/gzip"
+	"errors"
 	"fmt"
+	"io"
+	"io/ioutil"
 	"os"
 	"path/filepath"
+	"strings"
 
-	"github.com/helm/helm/manifest"
+	"github.com/kubernetes/deployment-manager/log"
+)
+
+const (
+	preTemplates string = "templates/"
+	preHooks     string = "hooks/"
+	preDocs      string = "docs/"
 )
 
 // Chart represents a complete chart.
@@ -13,31 +25,67 @@ import (
 // A chart consists of the following parts:
 //
 // 	- Chart.yaml: In code, we refer to this as the Chartfile
-// 	- manifests/*.yaml: The Kubernetes manifests
+// 	- templates/*: The template directory
+// 	- README.md: Optional README file
+// 	- LICENSE: Optional license file
+// 	- hooks/: Optional hooks registry
+//	- docs/: Optional docs directory
 //
-// On the Chart object, the manifests are sorted by type into a handful of
+// Packed charts are stored in gzipped tar archives (.tgz). Unpackaged charts
-// recognized Kubernetes API v1 objects.
+// are directories where the directory name is the Chartfile.Name.
 //
-// TODO: Investigate treating these as unversioned.
+// Optionally, a chart might also locate a provenance (.prov) file that it
-type Chart struct {
+// can use for cryptographic signing.
-	Chartfile *Chartfile
+type Chart interface {
+	// Chartfile resturns a *Chartfile for this chart.
+	Chartfile() *Chartfile
+	// Dir returns a directory where the chart can be accessed.
+	Dir() string
+
+	Close() error
+}
+
+type dirChart struct {
+	chartfile *Chartfile
+}
+
+func (d *dirChart) Chartfile() *Chartfile {
+	return d.chartfile
+}
+
+func (d *dirChart) Dir() string {
+	return "."
+}
+
+func (d *dirChart) Close() error {
+	return nil
+}
+
+type tarChart struct {
+	chartfile *Chartfile
+	tmpDir    string
+}
 
-	// Kind is a map of Kind to an array of manifests.
+func (t *tarChart) Chartfile() *Chartfile {
-	//
+	return t.chartfile
-	// For example, Kind["Pod"] has an array of Pod manifests.
+}
-	Kind map[string][]*manifest.Manifest
+
+func (t *tarChart) Dir() string {
+	return "."
+}
 
-	// Manifests is an array of Manifest objects.
+func (t *tarChart) Close() error {
-	Manifests []*manifest.Manifest
+	// Remove the temp directory.
+	return os.RemoveAll(t.tmpDir)
 }
 
-// Load loads an entire chart.
+// LoadDir loads an entire chart from a directory.
 //
 // This includes the Chart.yaml (*Chartfile) and all of the manifests.
 //
 // If you are just reading the Chart.yaml file, it is substantially more
 // performant to use LoadChartfile.
-func Load(chart string) (*Chart, error) {
+func LoadDir(chart string) (Chart, error) {
 	if fi, err := os.Stat(chart); err != nil {
 		return nil, err
 	} else if !fi.IsDir() {
@@ -49,59 +97,103 @@ func Load(chart string) (*Chart, error) {
 		return nil, err
 	}
 
-	c := &Chart{
+	c := &dirChart{
-		Chartfile: cf,
+		chartfile: cf,
-		Kind:      map[string][]*manifest.Manifest{},
 	}
 
-	ms, err := manifest.ParseDir(chart)
-	if err != nil {
-		return c, err
-	}
-
-	c.attachManifests(ms)
-
 	return c, nil
 }
 
-const (
+// Load loads a chart from a chart archive.
-	// AnnFile is the annotation key for a file's origin.
+//
-	AnnFile = "chart.helm.sh/file"
+// A chart archive is a gzipped tar archive that follows the Chart format
-
+// specification.
-	// AnnChartVersion is the annotation key for a chart's version.
+func Load(archive string) (Chart, error) {
-	AnnChartVersion = "chart.helm.sh/version"
+	if fi, err := os.Stat(archive); err != nil {
-
+		return nil, err
-	// AnnChartDesc is the annotation key for a chart's description.
+	} else if fi.IsDir() {
-	AnnChartDesc = "chart.helm.sh/description"
+		return nil, errors.New("cannot load a directory with chart.Load()")
+	}
 
-	// AnnChartName is the annotation key for a chart name.
+	raw, err := os.Open(archive)
-	AnnChartName = "chart.helm.sh/name"
+	if err != nil {
-)
+		return nil, err
+	}
+	defer raw.Close()
 
-// attachManifests sorts manifests into their respective categories, adding to the Chart.
+	unzipped, err := gzip.NewReader(raw)
-func (c *Chart) attachManifests(manifests []*manifest.Manifest) {
+	if err != nil {
-	c.Manifests = manifests
+		return nil, err
-	for _, m := range manifests {
-		c.Kind[m.Kind] = append(c.Kind[m.Kind], m)
 	}
+	defer unzipped.Close()
+
+	untarred := tar.NewReader(unzipped)
+	return loadTar(untarred)
 }
 
-// UnknownKinds returns a list of kinds that this chart contains, but which were not in the passed in array.
+func loadTar(r *tar.Reader) (Chart, error) {
-//
+	td, err := ioutil.TempDir("", "chart-")
-// A Chart will store all kinds that are given to it. This makes it possible to get a list of kinds that are not
+	if err != nil {
-// known beforehand.
+		return nil, err
-func (c *Chart) UnknownKinds(known []string) []string {
+	}
-	lookup := make(map[string]bool, len(known))
+	c := &tarChart{
-	for _, k := range known {
+		chartfile: &Chartfile{},
-		lookup[k] = true
+		tmpDir:    td,
 	}
 
-	u := []string{}
+	firstDir := ""
-	for n := range c.Kind {
+
-		if _, ok := lookup[n]; !ok {
+	hdr, err := r.Next()
-			u = append(u, n)
+	for err == nil {
+		log.Debug("Reading %s", hdr.Name)
+
+		// This is to prevent malformed tar attacks.
+		hdr.Name = filepath.Clean(hdr.Name)
+
+		if firstDir == "" {
+			fi := hdr.FileInfo()
+			if fi.IsDir() {
+				log.Debug("Discovered app named %s", hdr.Name)
+				firstDir = hdr.Name
+			} else {
+				log.Warn("Unexpected file at root of archive: %s", hdr.Name)
+			}
+		} else if strings.HasPrefix(hdr.Name, firstDir) {
+			log.Debug("Extracting %s to %s", hdr.Name, c.tmpDir)
+
+			// We know this has the prefix, so we know there won't be an error.
+			rel, _ := filepath.Rel(firstDir, hdr.Name)
+
+			// If tar record is a directory, create one in the tmpdir and return.
+			if hdr.FileInfo().IsDir() {
+				os.MkdirAll(filepath.Join(c.tmpDir, rel), 0755)
+				hdr, err = r.Next()
+				continue
+			}
+
+			dest := filepath.Join(c.tmpDir, rel)
+			f, err := os.Create(filepath.Join(c.tmpDir, rel))
+			if err != nil {
+				log.Warn("Could not create %s: %s", dest, err)
+				hdr, err = r.Next()
+				continue
+			}
+			if _, err := io.Copy(f, r); err != nil {
+				log.Warn("Failed to copy %s: %s", dest, err)
+			}
+			f.Close()
+		} else {
+			log.Warn("Unexpected file outside of chart: %s", hdr.Name)
 		}
+		hdr, err = r.Next()
 	}
 
-	return u
+	if err != nil && err != io.EOF {
+		log.Warn("Unexpected error reading tar: %s", err)
+		c.Close()
+		return c, err
+	}
+	log.Info("Reached end of Tar file")
+
+	return c, nil
 }

chart/chart_test.go

@@ -2,116 +2,63 @@ package chart
 
 import (
 	"testing"
-)
-
-const testfile = "../testdata/test-Chart.yaml"
-const testchart = "../testdata/charts/kitchensink"
 
-func TestLoad(t *testing.T) {
+	"github.com/kubernetes/deployment-manager/log"
-	c, err := Load(testchart)
+)
-	if err != nil {
-		t.Errorf("Failed to load chart: %s", err)
-	}
-
-	if c.Chartfile.Name != "kitchensink" {
-		t.Errorf("Expected chart name to be 'kitchensink'. Got '%s'.", c.Chartfile.Name)
-	}
-	if c.Chartfile.Dependencies[0].Version != "~10.21" {
-		d := c.Chartfile.Dependencies[0].Version
-		t.Errorf("Expected dependency 0 to have version '~10.21'. Got '%s'.", d)
-	}
-
-	if len(c.Kind["Pod"]) != 3 {
-		t.Errorf("Expected 3 pods, got %d", len(c.Kind["Pod"]))
-	}
-
-	if len(c.Kind["ReplicationController"]) == 0 {
-		t.Error("No RCs found")
-	}
-	if len(c.Kind["Namespace"]) == 0 {
-		t.Errorf("No namespaces found")
-	}
-
-	if len(c.Kind["Secret"]) == 0 {
-		t.Error("Is it secret? Is it safe? NO!")
-	}
 
-	if len(c.Kind["PersistentVolume"]) == 0 {
+const testfile = "testdata/frobnitz/Chart.yaml"
-		t.Errorf("No volumes.")
+const testdir = "testdata/frobnitz/"
-	}
+const testarchive = "testdata/frobnitz-0.0.1.tgz"
+const testill = "testdata/ill-1.2.3.tgz"
 
-	if len(c.Kind["Service"]) == 0 {
+func init() {
-		t.Error("No service. Just like [insert mobile provider name here]")
+	log.IsDebugging = true
-	}
 }
 
-func TestLoadChart(t *testing.T) {
+func TestLoadDir(t *testing.T) {
-	f, err := LoadChartfile(testfile)
+	c, err := LoadDir(testdir)
 	if err != nil {
-		t.Errorf("Error loading %s: %s", testfile, err)
+		t.Errorf("Failed to load chart: %s", err)
-	}
-
-	if f.Name != "alpine-pod" {
-		t.Errorf("Expected alpine-pod, got %s", f.Name)
-	}
-
-	if len(f.Maintainers) != 2 {
-		t.Errorf("Expected 2 maintainers, got %d", len(f.Maintainers))
-	}
-
-	if len(f.Dependencies) != 2 {
-		t.Errorf("Expected 2 dependencies, got %d", len(f.Dependencies))
-	}
-
-	if f.Dependencies[1].Name != "bar" {
-		t.Errorf("Expected second dependency to be bar: %q", f.Dependencies[1].Name)
 	}
 
-	if f.PreInstall["mykeys"] != "generate-keypair foo" {
+	if c.Chartfile().Name != "frobnitz" {
-		t.Errorf("Expected map value for mykeys.")
+		t.Errorf("Expected chart name to be 'frobnitz'. Got '%s'.", c.Chartfile().Name)
 	}
 
-	if f.Source[0] != "https://example.com/helm" {
+	if c.Chartfile().Dependencies[0].Version != "^3" {
-		t.Errorf("Expected https://example.com/helm, got %s", f.Source)
+		d := c.Chartfile().Dependencies[0].Version
+		t.Errorf("Expected dependency 0 to have version '^3'. Got '%s'.", d)
 	}
 }
 
-func TestVersionOK(t *testing.T) {
+func TestLoad(t *testing.T) {
-	f, err := LoadChartfile(testfile)
+	c, err := Load(testarchive)
 	if err != nil {
-		t.Errorf("Error loading %s: %s", testfile, err)
+		t.Errorf("Failed to load chart: %s", err)
+		return
 	}
+	defer c.Close()
 
-	// These are canaries. The SemVer package exhuastively tests the
+	if c.Chartfile() == nil {
-	// various  permutations. This will alert us if we wired it up
+		t.Error("No chartfile was loaded.")
-	// incorrectly.
+		return
-
-	d := f.Dependencies[1]
-	if d.VersionOK("1.0.0") {
-		t.Errorf("1.0.0 should have been marked out of range")
 	}
 
-	if !d.VersionOK("1.2.3") {
+	if c.Chartfile().Name != "frobnitz" {
-		t.Errorf("Version 1.2.3 should have been marked in-range")
+		t.Errorf("Expected name to be frobnitz, got %q", c.Chartfile().Name)
 	}
-
 }
 
-func TestUnknownKinds(t *testing.T) {
+func TestLoadIll(t *testing.T) {
-	known := []string{"Pod"}
+	c, err := Load(testill)
-	c, err := Load(testchart)
 	if err != nil {
 		t.Errorf("Failed to load chart: %s", err)
+		return
 	}
+	defer c.Close()
 
-	unknown := c.UnknownKinds(known)
+	if c.Chartfile() == nil {
-	if len(unknown) < 5 {
+		t.Error("No chartfile was loaded.")
-		t.Errorf("Expected at least 5 unknown chart types, got %d.", len(unknown))
+		return
-	}
-
-	for _, k := range unknown {
-		if k == "Pod" {
-			t.Errorf("Pod is not an unknown kind.")
-		}
 	}
 }

chart/chartfile_test.go

@@ -1,60 +1,58 @@
 package chart
 
 import (
-	"io/ioutil"
-	"os"
 	"testing"
 )
 
-var testChart = `#helm:generate foo
-name: frobniz
-description: This is a frobniz.
-version: 1.2.3-alpha.1+12345
-keywords:
-	- frobnitz
-	- sprocket
-	- dodad
-maintainers:
-	- name: The Helm Team
-	  email: helm@example.com
-	- name: Someone Else
-	  email: nobody@example.com
-source: https://example.com/foo/bar
-home: http://example.com
-dependencies:
-	- name: thingerbob
-	  location: https://example.com/charts/thingerbob-3.2.1.tgz
-	  version: ^3
-environment:
-	- name: Kubernetes
-	  version: ~1.1
-	  extensions:
-	  	- extensions/v1beta1
-	  	- extensions/v1beta1/daemonset
-	  apiGroups:
-	  	- 3rdParty
-`
-
 func TestLoadChartfile(t *testing.T) {
-	out, err := ioutil.TempFile("", "chartfile-")
+	f, err := LoadChartfile(testfile)
 	if err != nil {
-		t.Fatal(err)
+		t.Errorf("Failed to open %s: %s", testfile, err)
+		return
+	}
+
+	if len(f.Environment[0].Extensions) != 2 {
+		t.Errorf("Expected two extensions, got %d", len(f.Environment[0].Extensions))
+	}
+
+	if f.Name != "frobnitz" {
+		t.Errorf("Expected frobnitz, got %s", f.Name)
 	}
-	tname := out.Name()
-	defer func() {
-		os.Remove(tname)
-	}()
 
-	out.Write([]byte(testChart))
+	if len(f.Maintainers) != 2 {
-	out.Close()
+		t.Errorf("Expected 2 maintainers, got %d", len(f.Maintainers))
+	}
 
-	c, err := LoadChartfile(tname)
+	if len(f.Dependencies) != 1 {
+		t.Errorf("Expected 2 dependencies, got %d", len(f.Dependencies))
+	}
+
+	if f.Dependencies[0].Name != "thingerbob" {
+		t.Errorf("Expected second dependency to be thingerbob: %q", f.Dependencies[0].Name)
+	}
+
+	if f.Source[0] != "https://example.com/helm" {
+		t.Errorf("Expected https://example.com/helm, got %s", f.Source)
+	}
+}
+
+func TestVersionOK(t *testing.T) {
+	f, err := LoadChartfile(testfile)
 	if err != nil {
-		t.Errorf("Failed to open %s: %s", tname, err)
+		t.Errorf("Error loading %s: %s", testfile, err)
-		return
 	}
 
-	if len(c.Environment[0].Extensions) != 2 {
+	// These are canaries. The SemVer package exhuastively tests the
-		t.Errorf("Expected two extensions, got %d", len(c.Environment[0].Extensions))
+	// various  permutations. This will alert us if we wired it up
+	// incorrectly.
+
+	d := f.Dependencies[0]
+	if d.VersionOK("1.0.0") {
+		t.Errorf("1.0.0 should have been marked out of range")
+	}
+
+	if !d.VersionOK("3.2.3") {
+		t.Errorf("Version 3.2.3 should have been marked in-range")
 	}
+
 }

chart/doc.go

@@ -0,0 +1,6 @@
+/* Package chart implements the Chart format.
+
+This package provides tools for working with the Chart format, including the
+Chartfile (chart.yaml) and compressed chart archives.
+*/
+package chart

chart/testdata/README.md

@@ -0,0 +1,9 @@
+The testdata directory here holds charts that match the specification.
+
+The `fromnitz/` directory contains a chart that matches the chart
+specification.
+
+The `frobnitz-0.0.1.tgz` file is an archive of the `frobnitz` directory.
+
+The `ill` chart and directory is a chart that is not 100% compatible,
+but which should still be parseable.

chart/testdata/frobnitz/Chart.yaml

@@ -0,0 +1,28 @@
+#helm:generate foo
+name: frobnitz
+description: This is a frobniz.
+version: "1.2.3-alpha.1+12345"
+keywords:
+  - frobnitz
+  - sprocket
+  - dodad
+maintainers:
+  - name: The Helm Team
+    email: helm@example.com
+  - name: Someone Else
+    email: nobody@example.com
+source:
+  - https://example.com/foo/bar
+home: http://example.com
+dependencies:
+  - name: thingerbob
+    location: https://example.com/charts/thingerbob-3.2.1.tgz
+    version: ^3
+environment:
+  - name: Kubernetes
+    version: ~1.1
+    extensions:
+      - extensions/v1beta1
+      - extensions/v1beta1/daemonset
+    apiGroups:
+      - 3rdParty

chart/testdata/frobnitz/LICENSE

@@ -0,0 +1,202 @@
+
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
+
+      "License" shall mean the terms and conditions for use, reproduction,
+      and distribution as defined by Sections 1 through 9 of this document.
+
+      "Licensor" shall mean the copyright owner or entity authorized by
+      the copyright owner that is granting the License.
+
+      "Legal Entity" shall mean the union of the acting entity and all
+      other entities that control, are controlled by, or are under common
+      control with that entity. For the purposes of this definition,
+      "control" means (i) the power, direct or indirect, to cause the
+      direction or management of such entity, whether by contract or
+      otherwise, or (ii) ownership of fifty percent (50%) or more of the
+      outstanding shares, or (iii) beneficial ownership of such entity.
+
+      "You" (or "Your") shall mean an individual or Legal Entity
+      exercising permissions granted by this License.
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+      including but not limited to software source code, documentation
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+      Contributor provides its Contributions) on an "AS IS" BASIS,
+      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+      implied, including, without limitation, any warranties or conditions
+      of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+      PARTICULAR PURPOSE. You are solely responsible for determining the
+      appropriateness of using or redistributing the Work and assume any
+      risks associated with Your exercise of permissions under this License.
+
+   8. Limitation of Liability. In no event and under no legal theory,
+      whether in tort (including negligence), contract, or otherwise,
+      unless required by applicable law (such as deliberate and grossly
+      negligent acts) or agreed to in writing, shall any Contributor be
+      liable to You for damages, including any direct, indirect, special,
+      incidental, or consequential damages of any character arising as a
+      result of this License or out of the use or inability to use the
+      Work (including but not limited to damages for loss of goodwill,
+      work stoppage, computer failure or malfunction, or any and all
+      other commercial damages or losses), even if such Contributor
+      has been advised of the possibility of such damages.
+
+   9. Accepting Warranty or Additional Liability. While redistributing
+      the Work or Derivative Works thereof, You may choose to offer,
+      and charge a fee for, acceptance of support, warranty, indemnity,
+      or other liability obligations and/or rights consistent with this
+      License. However, in accepting such obligations, You may act only
+      on Your own behalf and on Your sole responsibility, not on behalf
+      of any other Contributor, and only if You agree to indemnify,
+      defend, and hold each Contributor harmless for any liability
+      incurred by, or claims asserted against, such Contributor by reason
+      of your accepting any such warranty or additional liability.
+
+   END OF TERMS AND CONDITIONS
+
+   APPENDIX: How to apply the Apache License to your work.
+
+      To apply the Apache License to your work, attach the following
+      boilerplate notice, with the fields enclosed by brackets "[]"
+      replaced with your own identifying information. (Don't include
+      the brackets!)  The text should be enclosed in the appropriate
+      comment syntax for the file format. We also recommend that a
+      file or class name and description of purpose be included on the
+      same "printed page" as the copyright notice for easier
+      identification within third-party archives.
+
+   Copyright [yyyy] [name of copyright owner]
+
+   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.

chart/testdata/frobnitz/README.md

@@ -0,0 +1,11 @@
+# Frobnitz
+
+This is an example chart.
+
+## Usage
+
+This is an example. It has no usage.
+
+## Development
+
+For developer info, see the top-level repository.

chart/testdata/frobnitz/docs/README.md

@@ -0,0 +1 @@
+This is a placeholder for documentation.

chart/testdata/frobnitz/hooks/pre-install.py

@@ -0,0 +1 @@
+# Placeholder.

chart/testdata/frobnitz/templates/wordpress-resources.yaml

@@ -0,0 +1,12 @@
+# Google Cloud Deployment Manager template
+resources:
+- name: nfs-disk
+  type: compute.v1.disk
+  properties:
+    zone: us-central1-b
+    sizeGb: 200
+- name: mysql-disk
+  type: compute.v1.disk
+  properties:
+    zone: us-central1-b
+    sizeGb: 200

chart/testdata/frobnitz/templates/wordpress.jinja

@@ -0,0 +1,72 @@
+#helm:generate dm_template
+{% set PROPERTIES = properties or {} %}
+{% set PROJECT = PROPERTIES['project'] or 'dm-k8s-testing' %}
+{% set NFS_SERVER = PROPERTIES['nfs-server'] or {} %}
+{% set NFS_SERVER_IP = NFS_SERVER['ip'] or '10.0.253.247' %}
+{% set NFS_SERVER_PORT = NFS_SERVER['port'] or 2049 %}
+{% set NFS_SERVER_DISK = NFS_SERVER['disk'] or 'nfs-disk' %}
+{% set NFS_SERVER_DISK_FSTYPE = NFS_SERVER['fstype'] or 'ext4' %}
+{% set NGINX = PROPERTIES['nginx'] or {} %}
+{% set NGINX_PORT = 80 %}
+{% set NGINX_REPLICAS = NGINX['replicas'] or 2 %}
+{% set WORDPRESS_PHP = PROPERTIES['wordpress-php'] or {} %}
+{% set WORDPRESS_PHP_REPLICAS = WORDPRESS_PHP['replicas'] or 2 %}
+{% set WORDPRESS_PHP_PORT = WORDPRESS_PHP['port'] or 9000 %}
+{% set MYSQL = PROPERTIES['mysql'] or {} %}
+{% set MYSQL_PORT = MYSQL['port'] or 3306 %}
+{% set MYSQL_PASSWORD = MYSQL['password'] or 'mysql-password' %}
+{% set MYSQL_DISK = MYSQL['disk'] or 'mysql-disk' %}
+{% set MYSQL_DISK_FSTYPE = MYSQL['fstype'] or 'ext4' %}
+
+resources:
+- name: nfs
+  type: github.com/kubernetes/application-dm-templates/storage/nfs:v1
+  properties:
+    ip: {{ NFS_SERVER_IP }}
+    port: {{ NFS_SERVER_PORT }}
+    disk: {{ NFS_SERVER_DISK }}
+    fstype: {{NFS_SERVER_DISK_FSTYPE }}
+- name: nginx
+  type: github.com/kubernetes/application-dm-templates/common/replicatedservice:v2
+  properties:
+    service_port: {{ NGINX_PORT }}
+    container_port: {{ NGINX_PORT }}
+    replicas: {{ NGINX_REPLICAS }}
+    external_service: true
+    image: gcr.io/{{ PROJECT }}/nginx:latest
+    volumes:
+      - mount_path: /var/www/html
+        persistentVolumeClaim:
+          claimName: nfs
+- name: mysql
+  type: github.com/kubernetes/application-dm-templates/common/replicatedservice:v2
+  properties:
+    service_port: {{ MYSQL_PORT }}
+    container_port: {{ MYSQL_PORT }}
+    replicas: 1
+    image: mysql:5.6
+    env:
+      - name: MYSQL_ROOT_PASSWORD
+        value: {{ MYSQL_PASSWORD }}
+    volumes:
+      - mount_path: /var/lib/mysql
+        gcePersistentDisk:
+          pdName: {{ MYSQL_DISK }}
+          fsType: {{ MYSQL_DISK_FSTYPE }}
+- name: wordpress-php
+  type: github.com/kubernetes/application-dm-templates/common/replicatedservice:v2
+  properties:
+    service_name: wordpress-php
+    service_port: {{ WORDPRESS_PHP_PORT }}
+    container_port: {{ WORDPRESS_PHP_PORT }}
+    replicas: 2
+    image: wordpress:fpm
+    env:
+      - name: WORDPRESS_DB_PASSWORD
+        value: {{ MYSQL_PASSWORD }}
+      - name: WORDPRESS_DB_HOST
+        value: mysql-service
+    volumes:
+      - mount_path: /var/www/html
+        persistentVolumeClaim:
+          claimName: nfs

chart/testdata/frobnitz/templates/wordpress.jinja.schema

@@ -0,0 +1,69 @@
+info:
+  title: Wordpress
+  description: |
+    Defines a Wordpress website by defining four replicated services: an NFS service, an nginx service, a wordpress-php service, and a MySQL service.
+
+    The nginx service and the Wordpress-php service both use NFS to share files.
+
+properties:
+  project:
+    type: string
+    default: dm-k8s-testing
+    description: Project location to load the images from.
+  nfs-service:
+    type: object
+    properties:
+      ip:
+        type: string
+        default: 10.0.253.247
+        description: The IP of the NFS service.
+      port:
+        type: int
+        default: 2049
+        description: The port of the NFS service.
+      disk:
+        type: string
+        default: nfs-disk
+        description: The name of the persistent disk the NFS service uses.
+      fstype:
+        type: string
+        default: ext4
+        description: The filesystem the disk of the NFS service uses.
+  nginx:
+    type: object
+    properties:
+      replicas:
+        type: int
+        default: 2
+        description: The number of replicas for the nginx service.
+  wordpress-php:
+    type: object
+    properties:
+      replicas:
+        type: int
+        default: 2
+        description: The number of replicas for the wordpress-php service.
+      port:
+        type: int
+        default: 9000
+        description: The port the wordpress-php service runs on.
+  mysql:
+    type: object
+    properties:
+      port:
+        type: int
+        default: 3306
+        description: The port the MySQL service runs on.
+      password:
+        type: string
+        default: mysql-password
+        description: The root password of the MySQL service.
+      disk:
+        type: string
+        default: mysql-disk
+        description: The name of the persistent disk the MySQL service uses.
+      fstype:
+        type: string
+        default: ext4
+        description: The filesystem the disk of the MySQL service uses.
+

chart/testdata/frobnitz/templates/wordpress.yaml

@@ -0,0 +1,6 @@
+imports:
+- path: wordpress.jinja
+
+resources:
+- name: wordpress
+  type: wordpress.jinja

chart/testdata/ill/Chart.yaml

@@ -0,0 +1,28 @@
+#helm:generate foo
+name: ill
+description: This is a frobniz.
+version: "1.2.3-alpha.1+12345"
+keywords:
+  - ill
+  - sprocket
+  - dodad
+maintainers:
+  - name: The Helm Team
+    email: helm@example.com
+  - name: Someone Else
+    email: nobody@example.com
+source:
+  - https://example.com/foo/bar
+home: http://example.com
+dependencies:
+  - name: thingerbob
+    location: https://example.com/charts/thingerbob-3.2.1.tgz
+    version: ^3
+environment:
+  - name: Kubernetes
+    version: ~1.1
+    extensions:
+      - extensions/v1beta1
+      - extensions/v1beta1/daemonset
+    apiGroups:
+      - 3rdParty

chart/testdata/ill/LICENSE

@@ -0,0 +1,202 @@
+
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
+
+      "License" shall mean the terms and conditions for use, reproduction,
+      and distribution as defined by Sections 1 through 9 of this document.
+
+      "Licensor" shall mean the copyright owner or entity authorized by
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+
+      "Legal Entity" shall mean the union of the acting entity and all
+      other entities that control, are controlled by, or are under common
+      control with that entity. For the purposes of this definition,
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+      direction or management of such entity, whether by contract or
+      otherwise, or (ii) ownership of fifty percent (50%) or more of the
+      outstanding shares, or (iii) beneficial ownership of such entity.
+
+      "You" (or "Your") shall mean an individual or Legal Entity
+      exercising permissions granted by this License.
+
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+      including but not limited to software source code, documentation
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+
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+      transformation or translation of a Source form, including but
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+
+      "Work" shall mean the work of authorship, whether in Source or
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+      "Contribution" shall mean any work of authorship, including
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+      on behalf of whom a Contribution has been received by Licensor and
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+   2. Grant of Copyright License. Subject to the terms and conditions of
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+
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+          do not modify the License. You may add Your own attribution
+          notices within Derivative Works that You distribute, alongside
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+          that such additional attribution notices cannot be construed
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+
+      You may add Your own copyright statement to Your modifications and
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+      reproduction, and distribution of the Work otherwise complies with
+      the conditions stated in this License.
+
+   5. Submission of Contributions. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
+      this License, without any additional terms or conditions.
+      Notwithstanding the above, nothing herein shall supersede or modify
+      the terms of any separate license agreement you may have executed
+      with Licensor regarding such Contributions.
+
+   6. Trademarks. This License does not grant permission to use the trade
+      names, trademarks, service marks, or product names of the Licensor,
+      except as required for reasonable and customary use in describing the
+      origin of the Work and reproducing the content of the NOTICE file.
+
+   7. Disclaimer of Warranty. Unless required by applicable law or
+      agreed to in writing, Licensor provides the Work (and each
+      Contributor provides its Contributions) on an "AS IS" BASIS,
+      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+      implied, including, without limitation, any warranties or conditions
+      of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
+      PARTICULAR PURPOSE. You are solely responsible for determining the
+      appropriateness of using or redistributing the Work and assume any
+      risks associated with Your exercise of permissions under this License.
+
+   8. Limitation of Liability. In no event and under no legal theory,
+      whether in tort (including negligence), contract, or otherwise,
+      unless required by applicable law (such as deliberate and grossly
+      negligent acts) or agreed to in writing, shall any Contributor be
+      liable to You for damages, including any direct, indirect, special,
+      incidental, or consequential damages of any character arising as a
+      result of this License or out of the use or inability to use the
+      Work (including but not limited to damages for loss of goodwill,
+      work stoppage, computer failure or malfunction, or any and all
+      other commercial damages or losses), even if such Contributor
+      has been advised of the possibility of such damages.
+
+   9. Accepting Warranty or Additional Liability. While redistributing
+      the Work or Derivative Works thereof, You may choose to offer,
+      and charge a fee for, acceptance of support, warranty, indemnity,
+      or other liability obligations and/or rights consistent with this
+      License. However, in accepting such obligations, You may act only
+      on Your own behalf and on Your sole responsibility, not on behalf
+      of any other Contributor, and only if You agree to indemnify,
+      defend, and hold each Contributor harmless for any liability
+      incurred by, or claims asserted against, such Contributor by reason
+      of your accepting any such warranty or additional liability.
+
+   END OF TERMS AND CONDITIONS
+
+   APPENDIX: How to apply the Apache License to your work.
+
+      To apply the Apache License to your work, attach the following
+      boilerplate notice, with the fields enclosed by brackets "[]"
+      replaced with your own identifying information. (Don't include
+      the brackets!)  The text should be enclosed in the appropriate
+      comment syntax for the file format. We also recommend that a
+      file or class name and description of purpose be included on the
+      same "printed page" as the copyright notice for easier
+      identification within third-party archives.
+
+   Copyright [yyyy] [name of copyright owner]
+
+   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.

chart/testdata/ill/README.md

@@ -0,0 +1,11 @@
+# Frobnitz
+
+This is an example chart.
+
+## Usage
+
+This is an example. It has no usage.
+
+## Development
+
+For developer info, see the top-level repository.

chart/testdata/ill/docs/README.md

@@ -0,0 +1 @@
+This is a placeholder for documentation.

chart/testdata/ill/hooks/pre-install.py

@@ -0,0 +1 @@
+# Placeholder.

chart/testdata/ill/templates/wordpress-resources.yaml

@@ -0,0 +1,12 @@
+# Google Cloud Deployment Manager template
+resources:
+- name: nfs-disk
+  type: compute.v1.disk
+  properties:
+    zone: us-central1-b
+    sizeGb: 200
+- name: mysql-disk
+  type: compute.v1.disk
+  properties:
+    zone: us-central1-b
+    sizeGb: 200

chart/testdata/ill/templates/wordpress.jinja

@@ -0,0 +1,72 @@
+#helm:generate dm_template
+{% set PROPERTIES = properties or {} %}
+{% set PROJECT = PROPERTIES['project'] or 'dm-k8s-testing' %}
+{% set NFS_SERVER = PROPERTIES['nfs-server'] or {} %}
+{% set NFS_SERVER_IP = NFS_SERVER['ip'] or '10.0.253.247' %}
+{% set NFS_SERVER_PORT = NFS_SERVER['port'] or 2049 %}
+{% set NFS_SERVER_DISK = NFS_SERVER['disk'] or 'nfs-disk' %}
+{% set NFS_SERVER_DISK_FSTYPE = NFS_SERVER['fstype'] or 'ext4' %}
+{% set NGINX = PROPERTIES['nginx'] or {} %}
+{% set NGINX_PORT = 80 %}
+{% set NGINX_REPLICAS = NGINX['replicas'] or 2 %}
+{% set WORDPRESS_PHP = PROPERTIES['wordpress-php'] or {} %}
+{% set WORDPRESS_PHP_REPLICAS = WORDPRESS_PHP['replicas'] or 2 %}
+{% set WORDPRESS_PHP_PORT = WORDPRESS_PHP['port'] or 9000 %}
+{% set MYSQL = PROPERTIES['mysql'] or {} %}
+{% set MYSQL_PORT = MYSQL['port'] or 3306 %}
+{% set MYSQL_PASSWORD = MYSQL['password'] or 'mysql-password' %}
+{% set MYSQL_DISK = MYSQL['disk'] or 'mysql-disk' %}
+{% set MYSQL_DISK_FSTYPE = MYSQL['fstype'] or 'ext4' %}
+
+resources:
+- name: nfs
+  type: github.com/kubernetes/application-dm-templates/storage/nfs:v1
+  properties:
+    ip: {{ NFS_SERVER_IP }}
+    port: {{ NFS_SERVER_PORT }}
+    disk: {{ NFS_SERVER_DISK }}
+    fstype: {{NFS_SERVER_DISK_FSTYPE }}
+- name: nginx
+  type: github.com/kubernetes/application-dm-templates/common/replicatedservice:v2
+  properties:
+    service_port: {{ NGINX_PORT }}
+    container_port: {{ NGINX_PORT }}
+    replicas: {{ NGINX_REPLICAS }}
+    external_service: true
+    image: gcr.io/{{ PROJECT }}/nginx:latest
+    volumes:
+      - mount_path: /var/www/html
+        persistentVolumeClaim:
+          claimName: nfs
+- name: mysql
+  type: github.com/kubernetes/application-dm-templates/common/replicatedservice:v2
+  properties:
+    service_port: {{ MYSQL_PORT }}
+    container_port: {{ MYSQL_PORT }}
+    replicas: 1
+    image: mysql:5.6
+    env:
+      - name: MYSQL_ROOT_PASSWORD
+        value: {{ MYSQL_PASSWORD }}
+    volumes:
+      - mount_path: /var/lib/mysql
+        gcePersistentDisk:
+          pdName: {{ MYSQL_DISK }}
+          fsType: {{ MYSQL_DISK_FSTYPE }}
+- name: wordpress-php
+  type: github.com/kubernetes/application-dm-templates/common/replicatedservice:v2
+  properties:
+    service_name: wordpress-php
+    service_port: {{ WORDPRESS_PHP_PORT }}
+    container_port: {{ WORDPRESS_PHP_PORT }}
+    replicas: 2
+    image: wordpress:fpm
+    env:
+      - name: WORDPRESS_DB_PASSWORD
+        value: {{ MYSQL_PASSWORD }}
+      - name: WORDPRESS_DB_HOST
+        value: mysql-service
+    volumes:
+      - mount_path: /var/www/html
+        persistentVolumeClaim:
+          claimName: nfs

chart/testdata/ill/templates/wordpress.jinja.schema

@@ -0,0 +1,69 @@
+info:
+  title: Wordpress
+  description: |
+    Defines a Wordpress website by defining four replicated services: an NFS service, an nginx service, a wordpress-php service, and a MySQL service.
+
+    The nginx service and the Wordpress-php service both use NFS to share files.
+
+properties:
+  project:
+    type: string
+    default: dm-k8s-testing
+    description: Project location to load the images from.
+  nfs-service:
+    type: object
+    properties:
+      ip:
+        type: string
+        default: 10.0.253.247
+        description: The IP of the NFS service.
+      port:
+        type: int
+        default: 2049
+        description: The port of the NFS service.
+      disk:
+        type: string
+        default: nfs-disk
+        description: The name of the persistent disk the NFS service uses.
+      fstype:
+        type: string
+        default: ext4
+        description: The filesystem the disk of the NFS service uses.
+  nginx:
+    type: object
+    properties:
+      replicas:
+        type: int
+        default: 2
+        description: The number of replicas for the nginx service.
+  wordpress-php:
+    type: object
+    properties:
+      replicas:
+        type: int
+        default: 2
+        description: The number of replicas for the wordpress-php service.
+      port:
+        type: int
+        default: 9000
+        description: The port the wordpress-php service runs on.
+  mysql:
+    type: object
+    properties:
+      port:
+        type: int
+        default: 3306
+        description: The port the MySQL service runs on.
+      password:
+        type: string
+        default: mysql-password
+        description: The root password of the MySQL service.
+      disk:
+        type: string
+        default: mysql-disk
+        description: The name of the persistent disk the MySQL service uses.
+      fstype:
+        type: string
+        default: ext4
+        description: The filesystem the disk of the MySQL service uses.
+

chart/testdata/ill/templates/wordpress.yaml

@@ -0,0 +1,6 @@
+imports:
+- path: wordpress.jinja
+
+resources:
+- name: wordpress
+  type: wordpress.jinja