Pass options via environment variables (#39)

* up to docker-in-docker converted

* first pass at the rest of the features (and bash linting and updated CLI

* move shell linter to own file

* rename feature.json -> devcontainer-feature.json

* continue on error

* continue on error in right spot

* formatting

* fix AZ_VERSION

* update python

* restore variable name

* update linter actions, fix dind/dfd/desktop scripts, add test-scenaerios

* add tree because I like tree

* glob for shell linter

* fix test-scenarios

* shell linter

* more shell helper

2 files changed, 25 insertions, 16 deletions

diff --git a/src/kubectl-helm-minikube/feature.json b/src/kubectl-helm-minikube/devcontainer-feature.json
index 7033c7a..8b50879 100644
--- a/src/kubectl-helm-minikube/feature.json
+++ b/src/kubectl-helm-minikube/devcontainer-feature.json
@@ -4,19 +4,29 @@
     "options": {
         "version": {
             "type": "string",
-            "proposals": ["latest", "none", "1.23", "1.22", "1.21"],
+            "proposals": [
+                "latest",
+                "none",
+                "1.23",
+                "1.22",
+                "1.21"
+            ],
             "default": "latest",
             "description": "Select or enter a Kubernetes version to install"
         },
         "helm": {
             "type": "string",
-            "proposals": ["latest"],
+            "proposals": [
+                "latest"
+            ],
             "default": "latest",
             "description": "Select or enter a Helm version to install"
         },
         "minikube": {
             "type": "string",
-            "proposals": ["latest"],
+            "proposals": [
+                "latest"
+            ],
             "default": "latest",
             "description": "Select or enter a Minikube version to install"
         }
@@ -26,9 +36,9 @@
     ],
     "mounts": [
         {
-            "source":"minikube-config", 
-             "target":"/home/vscode/.minikube", 
-             "type":"volume"
+            "source": "minikube-config",
+            "target": "/home/vscode/.minikube",
+            "type": "volume"
         }
     ],
     "install": {
diff --git a/src/kubectl-helm-minikube/install.sh b/src/kubectl-helm-minikube/install.sh
index 0981024..b10f578 100644
--- a/src/kubectl-helm-minikube/install.sh
+++ b/src/kubectl-helm-minikube/install.sh
@@ -6,18 +6,17 @@
 #
 # Docs: https://github.com/microsoft/vscode-dev-containers/blob/main/script-library/docs/kubectl-helm.md
 # Maintainer: The VS Code and Codespaces Teams
-#
-# Syntax: ./kubectl-helm-debian.sh [kubectl verison] [Helm version] [minikube version] [kubectl SHA256] [Helm SHA256] [minikube SHA256]
 
 set -e
 
-KUBECTL_VERSION="${1:-"latest"}"
-HELM_VERSION="${2:-"latest"}"
-MINIKUBE_VERSION="${3:-"none"}" # latest is also valid
-KUBECTL_SHA256="${4:-"automatic"}"
-HELM_SHA256="${5:-"automatic"}"
-MINIKUBE_SHA256="${6:-"automatic"}"
-USERNAME=${7:-"automatic"}
+KUBECTL_VERSION="${VERSION:-"latest"}"
+HELM_VERSION="${HELM:-"latest"}"
+MINIKUBE_VERSION="${MINIKUBE:-"none"}" # latest is also valid
+
+KUBECTL_SHA256="${KUBECTL_SHA256:-"automatic"}"
+HELM_SHA256="${HELM_SHA256:-"automatic"}"
+MINIKUBE_SHA256="${MINIKUBE_SHA256:-"automatic"}"
+USERNAME=${USERNAME:-"automatic"}
 
 HELM_GPG_KEYS_URI="https://raw.githubusercontent.com/helm/helm/main/KEYS"
 GPG_KEY_SERVERS="keyserver hkp://keyserver.ubuntu.com:80
@@ -33,7 +32,7 @@ fi
 if [ "${USERNAME}" = "auto" ] || [ "${USERNAME}" = "automatic" ]; then
     USERNAME=""
     POSSIBLE_USERS=("vscode" "node" "codespace" "$(awk -v val=1000 -F ":" '$3==val{print $1}' /etc/passwd)")
-    for CURRENT_USER in ${POSSIBLE_USERS[@]}; do
+    for CURRENT_USER in "${POSSIBLE_USERS[@]}"; do
         if id -u ${CURRENT_USER} > /dev/null 2>&1; then
             USERNAME=${CURRENT_USER}
             break