Merge pull request #1645 from rodcloutier/Windows_archive_backslash_support

fix(helm): added support for compressed charts containing \ in file paths

pkg/chartutil/chartfile_test.go

@@ -30,10 +30,10 @@ func TestLoadChartfile(t *testing.T) {
 		t.Errorf("Failed to open %s: %s", testfile, err)
 		return
 	}
-	verifyChartfile(t, f)
+	verifyChartfile(t, f, "frobnitz")
 }
 
-func verifyChartfile(t *testing.T, f *chart.Metadata) {
+func verifyChartfile(t *testing.T, f *chart.Metadata, name string) {
 
 	if f == nil {
 		t.Fatal("Failed verifyChartfile because f is nil")
@@ -44,8 +44,8 @@ func verifyChartfile(t *testing.T, f *chart.Metadata) {
 		t.Errorf("Expected API Version %q, got %q", ApiVersionV1, f.ApiVersion)
 	}
 
-	if f.Name != "frobnitz" {
-		t.Errorf("Expected frobnitz, got %s", f.Name)
+	if f.Name != name {
+		t.Errorf("Expected %s, got %s", name, f.Name)
 	}
 
 	if f.Description != "This is a frobnitz." {

pkg/chartutil/load.go

@@ -84,8 +84,17 @@ func LoadArchive(in io.Reader) (*chart.Chart, error) {
 			continue
 		}
 
-		parts := strings.Split(hd.Name, "/")
-		n := strings.Join(parts[1:], "/")
+		// Archive could contain \ if generated on Windows
+		delimiter := "/"
+		if strings.ContainsRune(hd.Name, '\\') {
+			delimiter = "\\"
+		}
+
+		parts := strings.Split(hd.Name, delimiter)
+		n := strings.Join(parts[1:], delimiter)
+
+		// Normalize the path to the / delimiter
+		n = strings.Replace(n, delimiter, "/", -1)
 
 		if parts[0] == "Chart.yaml" {
 			return nil, errors.New("chart yaml not in base directory")

pkg/chartutil/load_test.go

@@ -42,6 +42,18 @@ func TestLoadFile(t *testing.T) {
 	verifyRequirements(t, c)
 }
 
+// Packaging the chart on a Windows machine will produce an
+// archive that has \\ as delimiters. Test that we support these archives
+func TestLoadFileBackslash(t *testing.T) {
+	c, err := Load("testdata/frobnitz_backslash-1.2.3.tgz")
+	if err != nil {
+		t.Fatalf("Failed to load testdata: %s", err)
+	}
+	verifyChartFileAndTemplate(t, c, "frobnitz_backslash")
+	verifyChart(t, c)
+	verifyRequirements(t, c)
+}
+
 func verifyChart(t *testing.T, c *chart.Chart) {
 	if c.Metadata.Name == "" {
 		t.Fatalf("No chart metadata found on %v", c)
@@ -142,7 +154,12 @@ func verifyRequirementsLock(t *testing.T, c *chart.Chart) {
 }
 
 func verifyFrobnitz(t *testing.T, c *chart.Chart) {
-	verifyChartfile(t, c.Metadata)
+	verifyChartFileAndTemplate(t, c, "frobnitz")
+}
+
+func verifyChartFileAndTemplate(t *testing.T, c *chart.Chart, name string) {
+
+	verifyChartfile(t, c.Metadata, name)
 
 	if len(c.Templates) != 1 {
 		t.Fatalf("Expected 1 template, got %d", len(c.Templates))

pkg/chartutil/testdata/frobnitz_backslash/.helmignore

+ignore/

pkg/chartutil/testdata/frobnitz_backslash/Chart.yaml

+apiVersion: v1
+name: frobnitz_backslash
+description: This is a frobnitz.
+version: "1.2.3"
+keywords:
+  - frobnitz
+  - sprocket
+  - dodad
+maintainers:
+  - name: The Helm Team
+    email: helm@example.com
+  - name: Someone Else
+    email: nobody@example.com
+sources:
+  - https://example.com/foo/bar
+home: http://example.com
+icon: https://example.com/64x64.png

pkg/chartutil/testdata/frobnitz_backslash/INSTALL.txt

+This is an install document. The client may display this.

pkg/chartutil/testdata/frobnitz_backslash/LICENSE

+LICENSE placeholder.

pkg/chartutil/testdata/frobnitz_backslash/README.md

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

pkg/chartutil/testdata/frobnitz_backslash/charts/_ignore_me

+This should be ignored by the loader, but may be included in a chart.

pkg/chartutil/testdata/frobnitz_backslash/charts/alpine/Chart.yaml

+name: alpine
+description: Deploy a basic Alpine Linux pod
+version: 0.1.0
+home: https://k8s.io/helm

pkg/chartutil/testdata/frobnitz_backslash/charts/alpine/README.md

+This example was generated using the command `helm create alpine`.
+
+The `templates/` directory contains a very simple pod resource with a
+couple of parameters.
+
+The `values.toml` file contains the default values for the
+`alpine-pod.yaml` template.
+
+You can install this example using `helm install docs/examples/alpine`.

pkg/chartutil/testdata/frobnitz_backslash/charts/alpine/charts/mast1/Chart.yaml

+name: mast1
+description: A Helm chart for Kubernetes
+version: 0.1.0
+home: ""

pkg/chartutil/testdata/frobnitz_backslash/charts/alpine/charts/mast1/values.yaml

+# Default values for mast1.
+# This is a YAML-formatted file.
+# Declare name/value pairs to be passed into your templates.
+# name = "value"

pkg/chartutil/testdata/frobnitz_backslash/charts/alpine/templates/alpine-pod.yaml

+apiVersion: v1
+kind: Pod
+metadata:
+  name: {{.Release.Name}}-{{.Chart.Name}}
+  labels:
+    heritage: {{.Release.Service}}
+    chartName: {{.Chart.Name}}
+    chartVersion: {{.Chart.Version | quote}}
+  annotations:
+    "helm.sh/created": "{{.Release.Time.Seconds}}"
+spec:
+  restartPolicy: {{default "Never" .restart_policy}}
+  containers:
+  - name: waiter
+    image: "alpine:3.3"
+    command: ["/bin/sleep","9000"]

pkg/chartutil/testdata/frobnitz_backslash/charts/alpine/values.yaml

+# The pod name
+name: "my-alpine"

pkg/chartutil/testdata/frobnitz_backslash/docs/README.md

+This is a placeholder for documentation.

pkg/chartutil/testdata/frobnitz_backslash/icon.svg

+<?xml version="1.0"?>
+<svg xmlns:svg="http://www.w3.org/2000/svg" xmlns="http://www.w3.org/2000/svg"
+    xmlns:xlink="http://www.w3.org/1999/xlink"
+    version="1.0" width="256" height="256" id="test">
+  <desc>Example icon</desc>
+  <rect id="first" x="2" y="2" width="40" height="60" fill="navy"/>
+  <rect id="second" x="15" y="4" width="40" height="60" fill="red"/>
+</svg>

pkg/chartutil/testdata/frobnitz_backslash/requirements.lock

+dependencies:
+  - name: alpine
+    version: "0.1.0"
+    repository: https://example.com/charts
+  - name: mariner
+    version: "4.3.2"
+    repository: https://example.com/charts
+digest: invalid

pkg/chartutil/testdata/frobnitz_backslash/requirements.yaml

+dependencies:
+  - name: alpine
+    version: "0.1.0"
+    repository: https://example.com/charts
+  - name: mariner
+    version: "4.3.2"
+    repository: https://example.com/charts

pkg/chartutil/testdata/frobnitz_backslash/templates/template.tpl

+Hello {{.Name | default "world"}}

pkg/chartutil/testdata/frobnitz_backslash/values.yaml

+# A values file contains configuration.
+
+name: "Some Name"
+
+section:
+  name: "Name in a section"