parametrized working directory (#185)

* parametrized working directory

* manifests v3.0

README.md

@@ -342,6 +342,10 @@ spec:
               value: abcd1234
           securityContext:
             runAsUser: 0
+      # if workDir is not specified, the default working directory is /runner/_work
+      # this setting allows you to customize the working directory location
+      # for example, the below setting is the same as on the ubuntu-18.04 image
+      workDir: /home/runner/work
 ```
 
 ## Runner labels

api/v1alpha1/runner_types.go

@@ -59,6 +59,8 @@ type RunnerSpec struct {
 
 	// +optional
 	Volumes []corev1.Volume `json:"volumes,omitempty"`
+	// +optional
+	WorkDir string `json:"workDir,omitempty"`
 
 	// +optional
 	InitContainers []corev1.Container `json:"initContainers,omitempty"`

charts/actions-runner-controller/crds/actions.summerwind.dev_runnerdeployments.yaml

@@ -1533,6 +1533,8 @@ spec:
                           - name
                         type: object
                       type: array
+                    workDir:
+                      type: string
                   type: object
               type: object
           required:

charts/actions-runner-controller/crds/actions.summerwind.dev_runnerreplicasets.yaml

@@ -1533,6 +1533,8 @@ spec:
                           - name
                         type: object
                       type: array
+                    workDir:
+                      type: string
                   type: object
               type: object
           required:

charts/actions-runner-controller/crds/actions.summerwind.dev_runners.yaml

@@ -1526,6 +1526,8 @@ spec:
                   - name
                 type: object
               type: array
+            workDir:
+              type: string
           type: object
         status:
           description: RunnerStatus defines the observed state of Runner

config/crd/bases/actions.summerwind.dev_runnerdeployments.yaml

@@ -1533,6 +1533,8 @@ spec:
                           - name
                         type: object
                       type: array
+                    workDir:
+                      type: string
                   type: object
               type: object
           required:

config/crd/bases/actions.summerwind.dev_runnerreplicasets.yaml

@@ -1533,6 +1533,8 @@ spec:
                           - name
                         type: object
                       type: array
+                    workDir:
+                      type: string
                   type: object
               type: object
           required:

config/crd/bases/actions.summerwind.dev_runners.yaml

@@ -1526,6 +1526,8 @@ spec:
                   - name
                 type: object
               type: array
+            workDir:
+              type: string
           type: object
         status:
           description: RunnerStatus defines the observed state of Runner

controllers/runner_controller.go

@@ -307,6 +307,11 @@ func (r *RunnerReconciler) newPod(runner v1alpha1.Runner) (corev1.Pod, error) {
 		runnerImage = r.RunnerImage
 	}
 
+	workDir := runner.Spec.WorkDir
+	if workDir == "" {
+		workDir = "/runner/_work"
+	}
+
 	runnerImagePullPolicy := runner.Spec.ImagePullPolicy
 	if runnerImagePullPolicy == "" {
 		runnerImagePullPolicy = corev1.PullAlways
@@ -345,6 +350,10 @@ func (r *RunnerReconciler) newPod(runner v1alpha1.Runner) (corev1.Pod, error) {
 			Name:  "GITHUB_URL",
 			Value: r.GitHubClient.GithubBaseURL,
 		},
+		{
+			Name:  "RUNNER_WORKDIR",
+			Value: workDir,
+		},
 	}
 
 	env = append(env, runner.Spec.Env...)
@@ -392,7 +401,7 @@ func (r *RunnerReconciler) newPod(runner v1alpha1.Runner) (corev1.Pod, error) {
 		pod.Spec.Containers[0].VolumeMounts = []corev1.VolumeMount{
 			{
 				Name:      "work",
-				MountPath: "/runner/_work",
+				MountPath: workDir,
 			},
 			{
 				Name:      "externals",
@@ -409,7 +418,7 @@ func (r *RunnerReconciler) newPod(runner v1alpha1.Runner) (corev1.Pod, error) {
 			VolumeMounts: []corev1.VolumeMount{
 				{
 					Name:      "work",
-					MountPath: "/runner/_work",
+					MountPath: workDir,
 				},
 				{
 					Name:      "externals",

runner/entrypoint.sh

@@ -27,6 +27,10 @@ else
   exit 1
 fi
 
+if [ -n "${RUNNER_WORKDIR}" ]; then
+  WORKDIR_ARG="--work ${RUNNER_WORKDIR}"
+fi
+
 if [ -n "${RUNNER_LABELS}" ]; then
   LABEL_ARG="--labels ${RUNNER_LABELS}"
 fi
@@ -41,7 +45,7 @@ if [ -z "${RUNNER_REPO}" ] && [ -n "${RUNNER_ORG}" ] && [ -n "${RUNNER_GROUP}" ]
 fi
 
 cd /runner
-./config.sh --unattended --replace --name "${RUNNER_NAME}" --url "${GITHUB_URL}${ATTACH}" --token "${RUNNER_TOKEN}" ${RUNNER_GROUP_ARG} ${LABEL_ARG}
+./config.sh --unattended --replace --name "${RUNNER_NAME}" --url "${GITHUB_URL}${ATTACH}" --token "${RUNNER_TOKEN}" ${RUNNER_GROUP_ARG} ${LABEL_ARG} ${WORKDIR_ARG}
 
 # Hack due to the DinD volumes
 mv ./externalstmp/* ./externals/