Add coverage for extra-rootfs-dir in rep

cell/lrp_test.go

@@ -537,6 +537,16 @@ var _ = Describe("LRP", func() {
 			})
 		})
 
+		Context("Extra preloaded rootfs is requested", func() {
+			BeforeEach(func() {
+				lrp = helpers.LRPCreateRequestWithRootFS(componentMaker.Addresses(), processGuid, helpers.ExtraPreloadedRootFs)
+			})
+
+			It("starts the LRP", func() {
+				Eventually(helpers.LRPStatePoller(lgr, bbsClient, processGuid, nil)).Should(Equal(models.ActualLRPStateRunning))
+			})
+		})
+
 		Context("Unsupported preloaded rootfs is requested", func() {
 			BeforeEach(func() {
 				lrp = helpers.LRPCreateRequestWithRootFS(componentMaker.Addresses(), processGuid, helpers.BogusPreloadedRootFS)

helpers/bbs_requests.go

@@ -17,6 +17,7 @@ const defaultLogGuid = "logGuid"
 
 var defaultPreloadedRootFS = "preloaded:" + world.DefaultStack
 var SecondaryPreloadedRootFS = "preloaded:" + world.PreloadedStacks[1]
+var ExtraPreloadedRootFs = "preloaded:diego-extra-rootfs"
 
 const BogusPreloadedRootFS = "preloaded:bogus-rootfs"
 const dockerRootFS = "docker:///cloudfoundry/diego-docker-app#latest"

world/components.go

@@ -1548,6 +1548,7 @@ func (maker v1ComponentMaker) RepN(n int, modifyConfigFuncs ...func(*repconfig.R
 		ReportInterval:            durationjson.Duration(1 * time.Minute),
 		EvacuationPollingInterval: durationjson.Duration(1 * time.Second),
 		EvacuationTimeout:         durationjson.Duration(1 * time.Second),
+		ExtraRootfsDir:            filepath.Join("..", "fixtures"),
 		LockTTL:                   durationjson.Duration(10 * time.Second),
 		LockRetryInterval:         durationjson.Duration(1 * time.Second),
 		ServerCertFile:            maker.repSSL.ServerCert,