Merge pull request #76 from grafana/petewall/minikube-driver-flag

Add args and driver to minikube

Author: petewall

tools/helm-test/README.md

@@ -79,7 +79,12 @@ This section defines the Kubernetes cluster to be created and used for testing.
 
 #### Minikube
 
-No additional options are available. Notes that only one Minikube cluster can be created at a time.
+| Field            | Description                                                        | Required | Default |
+|------------------|--------------------------------------------------------------------|----------|---------|
+| `cluster.driver` | The driver to use for Minikube (e.g. `virtualbox`, `qemu`, `docker`) | No       |         |
+| `cluster.args`   | Additional arguments to pass to `minikube start`                   | No       | `[]`    |
+
+Note that only one Minikube cluster can be created at a time.
 
 ### Dependencies
 

tools/helm-test/includes/cluster/minikube.sh

@@ -1,7 +1,20 @@
 #!/usr/bin/env bash
 
 createMinikubeCluster() {
+  local testPlan=$1
   command=(minikube start)
+
+  driver="$(yq eval -r '.cluster.driver' "${testPlan}")"
+  if [ "${driver}" != "null" ] && [ -n "${driver}" ]; then
+    command+=("--driver=${driver}")
+  fi
+
+  argsString="$(yq eval -r -o=json '.cluster.args // [] | join(" ")' "${testPlan}")"
+  if [ "${argsString}" != "null" ] && [ -n "${argsString}" ]; then
+    IFS=" " read -r -a args <<< "${argsString}"
+    command+=("${args[@]}")
+  fi
+
   if ! minikube status; then
     echo "${command[@]}"
     "${command[@]}"