Add prometheus & grafana container image tags

To upgrade cluster we need to be able to set image tags
so this change adds to labels for corresponding containers

Task: 23314
Story: 2003171

Change-Id: I4cd0270a69fb889c59bdb28966821adb11fd0292

doc/source/user/index.rst

@@ -1075,7 +1075,7 @@ _`container_infra_prefix`
   Images that must be mirrored:
 
   * docker.io/coredns/coredns:1.0.1
-  * docker.io/grafana/grafana:latest
+  * docker.io/grafana/grafana:5.1.5
   * docker.io/openstackmagnum/kubernetes-apiserver
   * docker.io/openstackmagnum/kubernetes-controller-manager
   * docker.io/openstackmagnum/kubernetes-kubelet

magnum/drivers/common/templates/kubernetes/fragments/enable-prometheus-monitoring.sh

@@ -220,7 +220,7 @@ spec:
       serviceAccountName: prometheus
       containers:
       - name: prometheus
-        image: ${CONTAINER_INFRA_PREFIX:-docker.io/prom/}prometheus:v1.8.2
+        image: ${CONTAINER_INFRA_PREFIX:-docker.io/prom/}prometheus:${PROMETHEUS_TAG}
         args:
           - '-storage.local.retention=6h'
           - '-storage.local.memory-chunks=500000'
@@ -314,7 +314,7 @@ spec:
         role: db
     spec:
       containers:
-        - image: ${CONTAINER_INFRA_PREFIX:-docker.io/grafana/}grafana:4.6.3
+        - image: ${CONTAINER_INFRA_PREFIX:-docker.io/grafana/}grafana:${GRAFANA_TAG}
           imagePullPolicy: Always
           name: grafana
           env:

magnum/drivers/common/templates/kubernetes/fragments/write-heat-params-master.yaml

@@ -76,3 +76,5 @@ write_files:
       OCTAVIA_ENABLED="$OCTAVIA_ENABLED"
       KUBE_SERVICE_ACCOUNT_KEY="$KUBE_SERVICE_ACCOUNT_KEY"
       KUBE_SERVICE_ACCOUNT_PRIVATE_KEY="$KUBE_SERVICE_ACCOUNT_PRIVATE_KEY"
+      PROMETHEUS_TAG="$PROMETHEUS_TAG"
+      GRAFANA_TAG="$GRAFANA_TAG"

magnum/drivers/heat/k8s_fedora_template_def.py

@@ -109,7 +109,9 @@ class K8sFedoraTemplateDefinition(k8s_template_def.K8sTemplateDefinition):
                       'calico_tag', 'calico_cni_tag',
                       'calico_kube_controllers_tag', 'calico_ipv4pool',
                       'etcd_tag', 'flannel_tag',
-                      'cloud_provider_enabled']
+                      'cloud_provider_enabled',
+                      'prometheus_tag',
+                      'grafana_tag']
 
         for label in label_list:
             label_value = cluster.labels.get(label)

magnum/drivers/k8s_fedora_atomic_v1/templates/kubecluster.yaml

@@ -494,6 +494,16 @@ parameters:
     description: Enable or disable the openstack kubernetes cloud provider
     default: true
 
+  prometheus_tag:
+    type: string
+    description: tag of the prometheus container
+    default: v1.8.2
+
+  grafana_tag:
+    type: string
+    description: tag of grafana container
+    default: 5.1.5
+
 resources:
 
   ######################################################################
@@ -718,6 +728,8 @@ resources:
           octavia_enabled: {get_param: octavia_enabled}
           kube_service_account_key: {get_param: kube_service_account_key}
           kube_service_account_private_key: {get_param: kube_service_account_private_key}
+          prometheus_tag: {get_param: prometheus_tag}
+          grafana_tag: {get_param: grafana_tag}
 
 
   ######################################################################

magnum/drivers/k8s_fedora_atomic_v1/templates/kubemaster.yaml

@@ -391,6 +391,14 @@ parameters:
     type: boolean
     description: Enable or disable the openstack kubernetes cloud provider
 
+  prometheus_tag:
+    type: string
+    description: tag of prometheus container
+
+  grafana_tag:
+    type: string
+    description: tag of grafana container
+
 resources:
 
   master_wait_handle:
@@ -501,6 +509,8 @@ resources:
             "$OCTAVIA_ENABLED": {get_param: octavia_enabled}
             "$KUBE_SERVICE_ACCOUNT_KEY": {get_param: kube_service_account_key}
             "$KUBE_SERVICE_ACCOUNT_PRIVATE_KEY": {get_param: kube_service_account_private_key}
+            "$PROMETHEUS_TAG": {get_param: prometheus_tag}
+            "$GRAFANA_TAG": {get_param: grafana_tag}
 
   install_openstack_ca:
     type: OS::Heat::SoftwareConfig

magnum/tests/unit/drivers/test_template_definition.py

@@ -373,6 +373,10 @@ class AtomicK8sTemplateDefinitionTestCase(BaseK8sTemplateDefinitionTestCase):
             'cloud_provider_enabled')
         service_cluster_ip_range = mock_cluster.labels.get(
             'service_cluster_ip_range')
+        prometheus_tag = mock_cluster.labels.get(
+            'prometheus_tag')
+        grafana_tag = mock_cluster.labels.get(
+            'grafana_tag')
 
         k8s_def = k8sa_tdef.AtomicK8sTemplateDefinition()
 
@@ -423,6 +427,8 @@ class AtomicK8sTemplateDefinitionTestCase(BaseK8sTemplateDefinitionTestCase):
             'kube_service_account_key': 'public_key',
             'kube_service_account_private_key': 'private_key',
             'portal_network_cidr': service_cluster_ip_range,
+            'prometheus_tag': prometheus_tag,
+            'grafana_tag': grafana_tag,
         }}
         mock_get_params.assert_called_once_with(mock_context,
                                                 mock_cluster_template,
@@ -546,6 +552,10 @@ class AtomicK8sTemplateDefinitionTestCase(BaseK8sTemplateDefinitionTestCase):
             'cloud_provider_enabled')
         service_cluster_ip_range = mock_cluster.labels.get(
             'service_cluster_ip_range')
+        prometheus_tag = mock_cluster.labels.get(
+            'prometheus_tag')
+        grafana_tag = mock_cluster.labels.get(
+            'grafana_tag')
 
         k8s_def = k8sa_tdef.AtomicK8sTemplateDefinition()
 
@@ -598,6 +608,8 @@ class AtomicK8sTemplateDefinitionTestCase(BaseK8sTemplateDefinitionTestCase):
             'kube_service_account_key': 'public_key',
             'kube_service_account_private_key': 'private_key',
             'portal_network_cidr': service_cluster_ip_range,
+            'prometheus_tag': prometheus_tag,
+            'grafana_tag': grafana_tag,
         }}
         mock_get_params.assert_called_once_with(mock_context,
                                                 mock_cluster_template,

releasenotes/notes/grafana_prometheus_tag_label-78540ea106677485.yaml

@@ -0,0 +1,5 @@
+---
+features:
+  - |
+    Add 'grafana_tag' and 'prometheus_tag' labels for the k8s_fedora_atomic driver.
+    Grafana defaults to 5.1.5 and Prometheus defaults to v1.8.2.