tests/ad-server: Add optional override for container image tags

This is in preparation to accept ad-server container images
built(and tagged 'nightly') with nightly Samba RPMs.

Author: anoopcs9

tests/files/samba-ad-server-deployment.yml

@@ -18,7 +18,7 @@ spec:
       - name: samba
         # Pointing to locally built image,
         # change here to use a registry.
-        image: samba-ad-container:latest
+        image: samba-ad-container:$IMG_TAG
         # Need imagePullPolicy Never for working with local images.
         # Otherwise we get "ErrImagePull".
         imagePullPolicy: Never

tests/files/samba-domain-member-pod.yml

@@ -74,7 +74,7 @@ metadata:
 spec:
   shareProcessNamespace: true
   containers:
-    - image: samba-container:latest
+    - image: samba-container:$IMG_TAG
       # Need imagePullPolicy Never for working with local images.
       # Otherwise we get "ErrImagePull".
       imagePullPolicy: Never
@@ -109,7 +109,7 @@ spec:
         name: samba-state-dir
       - mountPath: "/run/samba/winbindd"
         name: samba-sockets-dir
-    - image: quay.io/samba.org/samba-server:latest
+    - image: quay.io/samba.org/samba-server:$IMG_TAG
       name: winbind
       command:
       - "samba-container"
@@ -134,7 +134,7 @@ spec:
       - mountPath: "/run/samba/winbindd"
         name: samba-sockets-dir
   initContainers:
-    - image: quay.io/samba.org/samba-server:latest
+    - image: quay.io/samba.org/samba-server:$IMG_TAG
       name: init
       args:
       - "init"
@@ -154,7 +154,7 @@ spec:
         name: samba-container-config
       - mountPath: "/var/lib/samba"
         name: samba-state-dir
-    - image: quay.io/samba.org/samba-server:latest
+    - image: quay.io/samba.org/samba-server:$IMG_TAG
       name: must-join
       args:
       - "must-join"

tests/test-deploy-ad-member.sh

@@ -1,11 +1,12 @@
 #!/usr/bin/env bash
 
 SCRIPT_DIR="$(cd "$(dirname "${0}")" && pwd)"
+IMG_TAG=${IMG_TAG:-"latest"}
 
 source "${SCRIPT_DIR}/common.sh"
 
 echo "Creating ad member pod..."
-ERROR_MSG=$(kubectl create -f "${MEMBER_POD_YAML}" 2>&1 1>/dev/null)
+ERROR_MSG=$(IMG_TAG=${IMG_TAG} envsubst < "${MEMBER_POD_YAML}" | kubectl create -f - 2>&1 1>/dev/null)
 if [ $? -ne 0 ] ; then
 	if [[ "${ERROR_MSG}" =~ "AlreadyExists" ]] ; then
 		echo "pod exists already. Continuing."

tests/test-deploy-ad-server.sh

@@ -1,11 +1,12 @@
 #!/usr/bin/env bash
 
 SCRIPT_DIR="$(cd "$(dirname "${0}")" && pwd)"
+IMG_TAG=${IMG_TAG:-"latest"}
 
 source "${SCRIPT_DIR}/common.sh"
 
 echo "Creating ad server deployment..."
-ERROR_MSG=$(kubectl create -f "${AD_DEPLOYMENT_YAML}" 2>&1 1>/dev/null)
+ERROR_MSG=$(IMG_TAG=${IMG_TAG} envsubst < "${AD_DEPLOYMENT_YAML}" | kubectl create -f - 2>&1 1>/dev/null)
 if [ $? -ne 0 ] ; then
 	if [[ "${ERROR_MSG}" =~ "AlreadyExists" ]] ; then
 		echo "Deployment exists already. Continuing."