🗺️ Add Helm and Helm Chart Testing (#59)

Signed-off-by: Jacob Woffenden <jacob.woffenden@digital.justice.gov.uk>

features/src/kubernetes/CHANGELOG.md

@@ -8,6 +8,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.0.5] - 2024-04-16
+
+## Added
+
+- Helm and Helm Chart Testing
+
 ## [0.0.4] - 2024-04-05
 
 ## Changed

features/src/kubernetes/devcontainer-feature.json

@@ -1,13 +1,23 @@
 {
   "id": "kubernetes",
-  "version": "0.0.4",
+  "version": "0.0.5",
   "name": "Kubernetes",
-  "description": "Installs the Kubernetes CLI",
+  "description": "Installs the Kubernetes CLI, Helm CLI and Helm Chart Testing CLI",
   "options": {
     "kubernetesCliVersion": {
       "type": "string",
       "description": "Version of the Kubernetes CLI to install",
       "default": "latest"
+    },
+    "helmCliVersion": {
+      "type": "string",
+      "description": "Version of the Helm CLI to install",
+      "default": "latest"
+    },
+    "helmCtCliVersion": {
+      "type": "string",
+      "description": "Version of the Helm Chart Testing CLI to install",
+      "default": "latest"
     }
   },
   "customizations": {

features/src/kubernetes/install-helm-cli.sh

@@ -0,0 +1,34 @@
+#!/usr/bin/env bash
+
+set -e
+
+# shellcheck source=/dev/null
+# file not accessible until being built
+source /usr/local/bin/devcontainer-utils
+
+get_system_architecture
+
+GITHUB_REPOSITORY="helm/helm"
+VERSION="${HELMCLIVERSION:-"latest"}"
+
+if [[ "${VERSION}" == "latest" ]]; then
+  get_github_latest_tag "${GITHUB_REPOSITORY}"
+  VERSION="${GITHUB_LATEST_TAG}"
+  VERSION_STRIP_V="${GITHUB_LATEST_TAG_STRIP_V}"
+else
+  # shellcheck disable=SC2034
+  VERSION_STRIP_V="${VERSION#v}"
+fi
+
+curl --fail-with-body --location "https://get.helm.sh/helm-${VERSION}-linux-${ARCHITECTURE}.tar.gz" \
+  --output "helm-${VERSION}-linux-${ARCHITECTURE}.tar.gz"
+
+tar --extract --file "helm-${VERSION}-linux-${ARCHITECTURE}.tar.gz"
+
+install --owner=vscode --group=vscode --mode=775 "linux-${ARCHITECTURE}/helm" /usr/local/bin/helm
+
+install --directory --owner=vscode --group=vscode /home/vscode/.config/helm
+
+install --owner=vscode --group=vscode --mode=775 "$(dirname "${0}")"/src/home/vscode/.devcontainer/featurerc.d/helm.sh /home/vscode/.devcontainer/featurerc.d/helm.sh
+
+rm --recursive --force "linux-${ARCHITECTURE}" "helm-${VERSION}-linux-${ARCHITECTURE}.tar.gz"

features/src/kubernetes/install-helm-ct-cli.sh

@@ -0,0 +1,36 @@
+#!/usr/bin/env bash
+
+set -e
+
+# shellcheck source=/dev/null
+# file not accessible until being built
+source /usr/local/bin/devcontainer-utils
+
+get_system_architecture
+
+GITHUB_REPOSITORY="helm/chart-testing"
+VERSION="${HELMCTCLIVERSION:-"latest"}"
+
+if [[ "${VERSION}" == "latest" ]]; then
+  get_github_latest_tag "${GITHUB_REPOSITORY}"
+  VERSION="${GITHUB_LATEST_TAG}"
+  VERSION_STRIP_V="${GITHUB_LATEST_TAG_STRIP_V}"
+else
+  # shellcheck disable=SC2034
+  VERSION_STRIP_V="${VERSION#v}"
+fi
+
+curl --fail-with-body --location "https://github.com/helm/chart-testing/releases/download/${VERSION}/chart-testing_${VERSION_STRIP_V}_linux_${ARCHITECTURE}.tar.gz" \
+  --output "chart-testing_${VERSION_STRIP_V}_linux_${ARCHITECTURE}.tar.gz"
+
+tar --extract --file "chart-testing_${VERSION_STRIP_V}_linux_${ARCHITECTURE}.tar.gz"
+
+install --owner=vscode --group=vscode --mode=775 ct /usr/local/bin/ct
+
+install --directory --owner=vscode --group=vscode /home/vscode/.ct
+
+install --owner=vscode --group=vscode --mode=644 etc/chart_schema.yaml /home/vscode/.ct/chart_schema.yaml
+
+install --owner=vscode --group=vscode --mode=644 etc/lintconf.yaml /home/vscode/.ct/lintconf.yaml
+
+rm --recursive --force ct LICENSE README.md etc/chart_schema.yaml etc/lintconf.yaml "chart-testing_${VERSION_STRIP_V}_linux_${ARCHITECTURE}.tar.gz"

features/src/kubernetes/install.sh

@@ -6,3 +6,9 @@ source /usr/local/bin/devcontainer-utils
 
 logger "info" "Installing Kubernetes CLI (version: ${KUBERNETESCLIVERSION})"
 bash "$(dirname "${0}")"/install-kubernetes-cli.sh
+
+logger "info" "Installing Helm CLI (version: ${HELMCLIVERSION})"
+bash "$(dirname "${0}")"/install-helm-cli.sh
+
+logger "info" "Installing Helm Chart Testing CLI (version: ${HELMCTCLIVERSION})"
+bash "$(dirname "${0}")"/install-helm-ct-cli.sh

features/src/kubernetes/src/home/vscode/.devcontainer/featurerc.d/helm.sh

@@ -0,0 +1,4 @@
+#!/usr/bin/env bash
+
+# shellcheck disable=SC1090
+source <(helm completion zsh)

features/test/kubernetes/test.sh

@@ -8,5 +8,10 @@ source dev-container-features-test-lib
 
 check "kubectl version" kubectl version --client=true --output yaml
 check "kubectl featurerc existence" stat /home/vscode/.devcontainer/featurerc.d/kubectl.sh
+check "helm version" helm version
+check "helm featurerc existence" stat /home/vscode/.devcontainer/featurerc.d/helm.sh
+check "helm ct version" ct version
+check "helm chart_schema.yaml existence" stat /home/vscode/.ct/chart_schema.yaml
+check "helm lintconf.yaml existence" stat /home/vscode/.ct/lintconf.yaml
 
 reportResults