Rename TEST_ETCD_VERSION to ETCD_VERSION

cluster/common.sh

@@ -702,9 +702,9 @@ NUM_NODES: $(yaml-quote ${NUM_NODES})
 STORAGE_BACKEND: $(yaml-quote ${STORAGE_BACKEND:-})
 ENABLE_GARBAGE_COLLECTOR: $(yaml-quote ${ENABLE_GARBAGE_COLLECTOR:-})
 EOF
-    if [ -n "${TEST_ETCD_VERSION:-}" ]; then
+    if [ -n "${ETCD_VERSION:-}" ]; then
       cat >>$file <<EOF
-TEST_ETCD_VERSION: $(yaml-quote ${TEST_ETCD_VERSION})
+ETCD_VERSION: $(yaml-quote ${ETCD_VERSION})
 EOF
     fi
     if [ -n "${APISERVER_TEST_ARGS:-}" ]; then

cluster/gce/config-test.sh

@@ -95,7 +95,7 @@ ENABLE_L7_LOADBALANCING="${KUBE_ENABLE_L7_LOADBALANCING:-glbc}"
 ENABLE_CLUSTER_MONITORING="${KUBE_ENABLE_CLUSTER_MONITORING:-influxdb}"
 
 # Set etcd version (e.g. 3.0.4-migration.1) if you need non-default version.
-TEST_ETCD_VERSION="${TEST_ETCD_VERSION:-}"
+ETCD_VERSION="${TEST_ETCD_VERSION:-}"
 
 # Default Log level for all components in test clusters and variables to override it in specific components.
 TEST_CLUSTER_LOG_LEVEL="${TEST_CLUSTER_LOG_LEVEL:---v=4}"

cluster/gce/configure-vm.sh

@@ -471,9 +471,9 @@ kubelet_port: '$(echo "$KUBELET_PORT" | sed -e "s/'/''/g")'
 EOF
     fi
     # Configuration changes for test clusters
-    if [ -n "${TEST_ETCD_VERSION:-}" ]; then
+    if [ -n "${ETCD_VERSION:-}" ]; then
       cat <<EOF >>/srv/salt-overlay/pillar/cluster-params.sls
-etcd_docker_tag: '$(echo "$TEST_ETCD_VERSION" | sed -e "s/'/''/g")'
+etcd_docker_tag: '$(echo "$ETCD_VERSION" | sed -e "s/'/''/g")'
 EOF
     fi
     if [ -n "${APISERVER_TEST_ARGS:-}" ]; then

cluster/gce/gci/configure-helper.sh

@@ -628,8 +628,8 @@ function prepare-etcd-manifest {
   sed -i -e "s@{{ *etcd_cluster *}}@$etcd_cluster@g" "${temp_file}"
   sed -i -e "s@{{ *storage_backend *}}@${STORAGE_BACKEND:-}@g" "${temp_file}"
   sed -i -e "s@{{ *cluster_state *}}@$cluster_state@g" "${temp_file}"
-  if [[ -n "${TEST_ETCD_VERSION:-}" ]]; then
-    sed -i -e "s@{{ *pillar\.get('etcd_docker_tag', '\(.*\)') *}}@${TEST_ETCD_VERSION}@g" "${temp_file}"
+  if [[ -n "${ETCD_VERSION:-}" ]]; then
+    sed -i -e "s@{{ *pillar\.get('etcd_docker_tag', '\(.*\)') *}}@${ETCD_VERSION}@g" "${temp_file}"
   else
     sed -i -e "s@{{ *pillar\.get('etcd_docker_tag', '\(.*\)') *}}@\1@g" "${temp_file}"
   fi

cluster/gce/trusty/configure-helper.sh

@@ -458,8 +458,8 @@ prepare_etcd_manifest() {
   sed -i -e "s@{{ *etcd_cluster *}}@$etcd_cluster@g" "${etcd_temp_file}"
   sed -i -e "s@{{ *storage_backend *}}@${STORAGE_BACKEND:-}@g" "${temp_file}"
   sed -i -e "s@{{ *cluster_state *}}@$cluster_state@g" "${etcd_temp_file}"
-  if [[ -n "${TEST_ETCD_VERSION:-}" ]]; then
-    sed -i -e "s@{{ *pillar\.get('etcd_docker_tag', '\(.*\)') *}}@${TEST_ETCD_VERSION}@g" "${etcd_temp_file}"
+  if [[ -n "${ETCD_VERSION:-}" ]]; then
+    sed -i -e "s@{{ *pillar\.get('etcd_docker_tag', '\(.*\)') *}}@${ETCD_VERSION}@g" "${etcd_temp_file}"
   else
     sed -i -e "s@{{ *pillar\.get('etcd_docker_tag', '\(.*\)') *}}@\1@g" "${etcd_temp_file}"
   fi

cluster/kubemark/config-default.sh

@@ -47,7 +47,7 @@ RUNTIME_CONFIG="${KUBE_RUNTIME_CONFIG:-}"
 TERMINATED_POD_GC_THRESHOLD=${TERMINATED_POD_GC_THRESHOLD:-100}
 
 # Set etcd version (e.g. 3.0.4-migration.1) if you need non-default version.
-TEST_ETCD_VERSION="${TEST_ETCD_VERSION:-}"
+ETCD_VERSION="${TEST_ETCD_VERSION:-}"
 # Storage backend. 'etcd2' supported, 'etcd3' experimental.
 STORAGE_BACKEND=${STORAGE_BACKEND:-etcd2}
 

test/kubemark/common.sh

@@ -17,7 +17,18 @@
 source "${KUBE_ROOT}/cluster/kubemark/config-default.sh"
 source "${KUBE_ROOT}/cluster/kubemark/util.sh"
 source "${KUBE_ROOT}/cluster/lib/util.sh"
+
+# hack/lib/init.sh will ovewrite ETCD_VERSION if this is unset
+# what what is default in hack/lib/etcd.sh
+# To avoid it, if it is empty, we set it to 'avoid-overwrite' and
+# clean it after that.
+if [ -z "${ETCD_VERSION}" ]; then
+  ETCD_VERSION="avoid-overwrite"
+fi
 source "${KUBE_ROOT}/hack/lib/init.sh"
+if [ "${ETCD_VERSION}" == "avoid-overwrite" ]; then
+  ETCD_VERSION=""
+fi
 
 detect-project &> /dev/null
 export PROJECT

test/kubemark/start-kubemark-master.sh

@@ -19,10 +19,10 @@
 EVENT_STORE_IP=$1
 EVENT_STORE_URL="http://${EVENT_STORE_IP}:4002"
 NUM_NODES=$2
-TEST_ETCD_VERSION=$3
-if [[ -z "${TEST_ETCD_VERSION}" ]]; then
+KUBEMARK_ETCD_VERSION=$3
+if [[ -z "${KUBEMARK_ETCD_VERSION}" ]]; then
   # Default etcd version.
-  TEST_ETCD_VERSION="2.2.1"
+  KUBEMARK_ETCD_VERSION="2.2.1"
 fi
 
 function retry() {
@@ -80,7 +80,7 @@ if [ "${EVENT_STORE_IP}" == "127.0.0.1" ]; then
 	# Retry starting etcd to avoid pulling image errors.
 	retry sudo docker run --net=host \
 		-v /var/etcd/data-events:/var/etcd/data -v /var/log:/var/log -d \
-		gcr.io/google_containers/etcd:${TEST_ETCD_VERSION} /bin/sh -c "/usr/local/bin/etcd \
+		gcr.io/google_containers/etcd:${KUBEMARK_ETCD_VERSION} /bin/sh -c "/usr/local/bin/etcd \
 		--listen-peer-urls http://127.0.0.1:2381 \
 		--advertise-client-urls=http://127.0.0.1:4002 \
 		--listen-client-urls=http://0.0.0.0:4002 \
@@ -90,7 +90,7 @@ fi
 # Retry starting etcd to avoid pulling image errors.
 retry sudo docker run --net=host \
 	-v /var/etcd/data:/var/etcd/data -v /var/log:/var/log -d \
-	gcr.io/google_containers/etcd:${TEST_ETCD_VERSION} /bin/sh -c "/usr/local/bin/etcd \
+	gcr.io/google_containers/etcd:${KUBEMARK_ETCD_VERSION} /bin/sh -c "/usr/local/bin/etcd \
 	--listen-peer-urls http://127.0.0.1:2380 \
 	--advertise-client-urls=http://127.0.0.1:2379 \
 	--listen-client-urls=http://0.0.0.0:2379 \

test/kubemark/start-kubemark.sh

@@ -148,7 +148,7 @@ gcloud compute copy-files --zone="${ZONE}" --project="${PROJECT}" \
 
 gcloud compute ssh "${MASTER_NAME}" --zone="${ZONE}" --project="${PROJECT}" \
   --command="chmod a+x configure-kubectl.sh && chmod a+x start-kubemark-master.sh && \
-             sudo ./start-kubemark-master.sh ${EVENT_STORE_IP:-127.0.0.1} ${NUM_NODES:-0} ${TEST_ETCD_VERSION:-}"
+             sudo ./start-kubemark-master.sh ${EVENT_STORE_IP:-127.0.0.1} ${NUM_NODES:-0} ${ETCD_VERSION:-}"
 
 # create kubeconfig for Kubelet:
 KUBECONFIG_CONTENTS=$(echo "apiVersion: v1