Make stemcell version used in tests configurable

scripts/test

@@ -3,13 +3,19 @@
 set -euxo pipefail
 
 STEMCELL_OS="${STEMCELL_OS:-ubuntu-xenial}"
+STEMCELL_VERSION="${STEMCELL_VERSION:-latest}"
+
+STEMCELL_URL="https://bosh.io/d/stemcells/bosh-google-kvm-${STEMCELL_OS}-go_agent"
+if [[ "${STEMCELL_VERSION}" != "latest" ]]; then
+  STEMCELL_URL="${STEMCELL_URL}?v=${STEMCELL_VERSION}"
+fi
 
 pushd "$(dirname "$0")/.."
   bosh create-release --force --version="$(date "+%s")"
   bosh upload-release
 popd
 
-bosh upload-stemcell "https://bosh.io/d/stemcells/bosh-google-kvm-${STEMCELL_OS}-go_agent"
+bosh upload-stemcell "${STEMCELL_URL}"
 
 pushd "$(dirname "$0")/../tests"
   go install github.com/onsi/ginkgo/v2/ginkgo

tests/acceptance_test.go

@@ -204,7 +204,8 @@ var _ = Describe("Forwarding loglines to a TCP syslog drain", func() {
 
 			session := BoshCmd("deploy", "manifests/broken-rules.yml",
 				"-v", fmt.Sprintf("deployment=%s", DeploymentName()),
-				"-v", fmt.Sprintf("stemcell-os=%s", StemcellOS()))
+				"-v", fmt.Sprintf("stemcell-os=%s", StemcellOS()),
+				"-v", fmt.Sprintf("stemcell-version=%s", StemcellVersion()))
 			Eventually(session, 10*time.Minute).Should(gexec.Exit(1))
 			Eventually(BoshCmd("locks")).ShouldNot(gbytes.Say(DeploymentName()))
 		})

tests/boshhelpers_test.go

@@ -25,6 +25,13 @@ func StemcellOS() string {
 	return "ubuntu-bionic"
 }
 
+func StemcellVersion() string {
+	if v, ok := os.LookupEnv("STEMCELL_VERSION"); ok {
+		return v
+	}
+	return "latest"
+}
+
 func BoshCmd(args ...string) *gexec.Session {
 	boshArgs := []string{"-n", "-d", DeploymentName()}
 	boshArgs = append(boshArgs, args...)
@@ -64,7 +71,8 @@ func Deploy(manifest string) *gexec.Session {
 	By("Deploying")
 	session := BoshCmd("deploy", manifest,
 		"-v", fmt.Sprintf("deployment=%s", DeploymentName()),
-		"-v", fmt.Sprintf("stemcell-os=%s", StemcellOS()))
+		"-v", fmt.Sprintf("stemcell-os=%s", StemcellOS()),
+		"-v", fmt.Sprintf("stemcell-version=%s", StemcellVersion()))
 	Eventually(session, 40*time.Minute).Should(gexec.Exit(0))
 	Eventually(BoshCmd("locks")).ShouldNot(gbytes.Say(DeploymentName()))
 	return session
@@ -73,7 +81,8 @@ func Deploy(manifest string) *gexec.Session {
 func DeployWithVarsStore(manifest string) *gexec.Session {
 	session := BoshCmd("deploy", manifest,
 		"-v", fmt.Sprintf("deployment=%s", DeploymentName()), fmt.Sprintf("--vars-store=/tmp/%s-vars.yml", DeploymentName()),
-		"-v", fmt.Sprintf("stemcell-os=%s", StemcellOS()))
+		"-v", fmt.Sprintf("stemcell-os=%s", StemcellOS()),
+		"-v", fmt.Sprintf("stemcell-version=%s", StemcellVersion()))
 	Eventually(session, 40*time.Minute).Should(gexec.Exit(0))
 	Eventually(BoshCmd("locks")).ShouldNot(gbytes.Say(DeploymentName()))
 	return session

tests/manifests/blackbox-unpriv.yml

@@ -6,7 +6,7 @@ releases:
 stemcells:
   - alias: default
     os: ((stemcell-os))
-    version: latest
+    version: ((stemcell-version))
 instance_groups:
   - name: forwarder
     instances: 1

tests/manifests/broken-rules.yml

@@ -6,7 +6,7 @@ releases:
 stemcells:
   - alias: default
     os: ((stemcell-os))
-    version: latest
+    version: ((stemcell-version))
 instance_groups:
   - name: forwarder
     instances: 1

tests/manifests/debug-filtering.yml

@@ -6,7 +6,7 @@ releases:
 stemcells:
   - alias: default
     os: ((stemcell-os))
-    version: latest
+    version: ((stemcell-version))
 instance_groups:
   - name: forwarder
     instances: 1

tests/manifests/disabled-no-config.yml

@@ -6,7 +6,7 @@ releases:
 stemcells:
   - alias: default
     os: ((stemcell-os))
-    version: latest
+    version: ((stemcell-version))
 instance_groups:
   - name: forwarder
     instances: 1

tests/manifests/disabled.yml

@@ -6,7 +6,7 @@ releases:
 stemcells:
   - alias: default
     os: ((stemcell-os))
-    version: latest
+    version: ((stemcell-version))
 instance_groups:
   - name: forwarder
     instances: 1

tests/manifests/environment-identifier.yml

@@ -6,7 +6,7 @@ releases:
 stemcells:
   - alias: default
     os: ((stemcell-os))
-    version: latest
+    version: ((stemcell-version))
 instance_groups:
   - name: forwarder
     instances: 1

tests/manifests/good-rules.yml

@@ -6,7 +6,7 @@ releases:
 stemcells:
   - alias: default
     os: ((stemcell-os))
-    version: latest
+    version: ((stemcell-version))
 instance_groups:
   - name: forwarder
     instances: 1

tests/manifests/relp-tls.yml

@@ -6,7 +6,7 @@ releases:
 stemcells:
   - alias: default
     os: ((stemcell-os))
-    version: latest
+    version: ((stemcell-version))
 instance_groups:
   - name: forwarder
     instances: 1

tests/manifests/tcp-blackbox.yml

@@ -6,7 +6,7 @@ releases:
 stemcells:
   - alias: default
     os: ((stemcell-os))
-    version: latest
+    version: ((stemcell-version))
 instance_groups:
   - name: forwarder
     instances: 1

tests/manifests/tls-forwarding-mtls.yml

@@ -6,7 +6,7 @@ releases:
 stemcells:
   - alias: default
     os: ((stemcell-os))
-    version: latest
+    version: ((stemcell-version))
 instance_groups:
   - name: forwarder
     instances: 1

tests/manifests/tls-forwarding.yml

@@ -6,7 +6,7 @@ releases:
 stemcells:
   - alias: default
     os: ((stemcell-os))
-    version: latest
+    version: ((stemcell-version))
 instance_groups:
   - name: forwarder
     instances: 1

tests/manifests/udp-blackbox.yml

@@ -6,7 +6,7 @@ releases:
 stemcells:
   - alias: default
     os: ((stemcell-os))
-    version: latest
+    version: ((stemcell-version))
 instance_groups:
   - name: forwarder
     instances: 1

tests/manifests/vcap-filtering.yml

@@ -6,7 +6,7 @@ releases:
 stemcells:
   - alias: default
     os: ((stemcell-os))
-    version: latest
+    version: ((stemcell-version))
 instance_groups:
   - name: forwarder
     instances: 1