fix: make launcher img configurable

README.md

@@ -20,6 +20,7 @@ The class provides a couple options that are configurable in the instantiation o
 | config.kubernetes.host | String | 'kubernetes.defaults' | The hostname for the Kubernetes cluster (kubernetes) |
 | config.kubernetes.nodeSelectors| Object | | Object representing node label-value pairs https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#step-one-attach-label-to-the-node|
 | config.ecosystem | Object | | Screwdriver Ecosystem (ui, api, store, pushgateway, etc.) |
+| config.launchImage | String | 'screwdrivercd/launcher' | Launcher image to use |
 | config.launchVersion | String | 'stable' | Launcher container version to use (stable) |
 | config.prefix | String | '' |Prefix to container names ("") |
 | config.jobsNamespace | String | 'default' | Kubernetes namespace where builds are running on |

config/pod.yaml.tim

@@ -64,7 +64,7 @@ spec:
                     hyperctl rm builder-{{build_id_with_prefix}}"]
   initContainers:
   - name: launcher
-    image: screwdrivercd/launcher:{{launcher_version}}
+    image: {{launcher_image}}
     command: ['/bin/sh', '-c', 'cp -a /opt/sd/* /opt/launcher && mkdir -p /opt/launcher/hab && cp -a /hab/* /opt/launcher/hab']
     volumeMounts:
     - mountPath: /opt/launcher

index.js

@@ -144,6 +144,7 @@ class K8sVMExecutor extends Executor {
             this.token = fs.existsSync(filepath) ? fs.readFileSync(filepath) : '';
         }
         this.host = this.kubernetes.host || 'kubernetes.default';
+        this.launchImage = options.launchImage || 'screwdrivercd/launcher';
         this.launchVersion = options.launchVersion || 'stable';
         this.prefix = options.prefix || '';
         this.jobsNamespace = this.kubernetes.jobsNamespace || 'default';
@@ -252,7 +253,7 @@ class K8sVMExecutor extends Executor {
                 store_uri: this.ecosystem.store,
                 pushgateway_url: hoek.reach(this.ecosystem, 'pushgatewayUrl', { default: '' }),
                 token: config.token,
-                launcher_version: this.launchVersion,
+                launcher_image: `${this.launchImage}:${this.launchVersion}`,
                 base_image: this.baseImage
             });
 

test/index.test.js

@@ -18,7 +18,7 @@ metadata:
   memory: {{memory}}
   name: {{build_id_with_prefix}}
   container: {{container}}
-  launchVersion: {{launcher_version}}
+  launchImage: {{launcher_image}}
 command:
 - "/opt/sd/launch {{api_uri}} {{store_uri}} {{token}} {{build_timeout}} {{build_id}}"
 spec:
@@ -48,6 +48,7 @@ describe('index', () => {
     const testApiUri = 'http://api:8080';
     const testStoreUri = 'http://store:8080';
     const testContainer = 'node:4';
+    const testLaunchImage = 'screwdrivercd/launcher';
     const testLaunchVersion = 'stable';
     const podsUrl = 'https://kubernetes.default/api/v1/namespaces/default/pods';
     const testSpec = {
@@ -407,7 +408,7 @@ describe('index', () => {
                         memory: 2048,
                         name: 'beta_15',
                         container: testContainer,
-                        launchVersion: testLaunchVersion
+                        launchImage: `${testLaunchImage}:${testLaunchVersion}`
                     },
                     spec: testPodSpec,
                     command: [