Gate: Move to k8s v1.8.3 and expose params

This PS moves to use version 1.8.3 of k8s and also exposes all the
versions as build params to the kubeadm-aio dockerfile.

Change-Id: I8e6ef8090f3fa178e950a42605a5d86e298e0c99

tools/gate/playbooks/build-helm-packages/tasks/setup-helm-serve.yaml

@@ -14,7 +14,7 @@
     - name: check if correct version of helm client already installed
       shell: "[ \"x$($(type -p helm) version --client --short | awk '{ print $NF }' | awk -F '+' '{ print $1 }')\" == \"x${HELM_VERSION}\" ] || exit 1"
       environment:
-        HELM_VERSION: "{{ helm.version }}"
+        HELM_VERSION: "{{ version.helm }}"
       register: need_helm
       ignore_errors: True
     - name: install helm client
@@ -22,7 +22,7 @@
       become_user: root
       shell: |
               TMP_DIR=$(mktemp -d)
-              curl -sSL https://storage.googleapis.com/kubernetes-helm/helm-{{ helm.version }}-linux-amd64.tar.gz | tar -zxv --strip-components=1 -C ${TMP_DIR}
+              curl -sSL https://storage.googleapis.com/kubernetes-helm/helm-{{ version.helm }}-linux-amd64.tar.gz | tar -zxv --strip-components=1 -C ${TMP_DIR}
               sudo mv ${TMP_DIR}/helm /usr/bin/helm
               rm -rf ${TMP_DIR}
     - name: setting up helm client

tools/gate/playbooks/build-images/tasks/kubeadm-aio.yaml

@@ -21,3 +21,8 @@
      pull: yes
      state: present
      rm: yes
+     buildargs:
+       KUBE_VERSION: "{{ version.kubernetes }}"
+       CNI_VERSION: "{{ version.cni }}"
+       HELM_VERSION: "{{ version.helm }}"
+       CHARTS: "calico,flannel,tiller,kube-dns"

tools/gate/playbooks/vars.yaml

@@ -12,12 +12,15 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+version:
+  kubernetes: v1.8.3
+  helm: v2.7.0
+  cni: v0.6.0
+
 images:
   kubernetes:
     kubeadm_aio: openstackhelm/kubeadm-aio:dev
 
-helm:
-  version: v2.7.0
 
 kubernetes:
   network:

tools/image-repo-overides.sh

@@ -14,7 +14,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-KUBE_VERSION=v1.8.2
+KUBE_VERSION=$(yq -r '.version.kubernetes' ./tools/gate/playbooks/vars.yaml)
 KUBE_IMAGES="gcr.io/google_containers/hyperkube-amd64:${KUBE_VERSION}
 gcr.io/google_containers/kube-apiserver-amd64:${KUBE_VERSION}
 gcr.io/google_containers/kube-controller-manager-amd64:${KUBE_VERSION}

tools/images/kubeadm-aio/Dockerfile

@@ -16,13 +16,21 @@
 FROM gcr.io/google_containers/ubuntu-slim:0.14
 MAINTAINER pete.birley@att.com
 
-ENV KUBE_VERSION="v1.8.2" \
-    CNI_VERSION="v0.6.0" \
-    HELM_VERSION="v2.7.0" \
-    container="docker" \
+ARG KUBE_VERSION="v1.8.3"
+ENV KUBE_VERSION ${KUBE_VERSION}
+
+ARG CNI_VERSION="v0.6.0"
+ENV CNI_VERSION ${CNI_VERSION}
+
+ARG HELM_VERSION="v2.7.0"
+ENV HELM_VERSION ${HELM_VERSION}
+
+ARG CHARTS="calico,flannel,tiller,kube-dns"
+ENV CHARTS ${CHARTS}
+
+ENV container="docker" \
     DEBIAN_FRONTEND="noninteractive" \
-    CNI_BIN_DIR="/opt/cni/bin" \
-    CHARTS="calico,flannel,tiller,kube-dns"
+    CNI_BIN_DIR="/opt/cni/bin"
 
 RUN set -ex ;\
     apt-get update ;\