Configure cluster metrics

Playbook based on
https://docs.openshift.org/latest/admin_guide/cluster_metrics.html.

5 files changed, 204 insertions, 0 deletions

diff --git a/roles/openshift_cluster_metrics/files/cluster-metrics/grafana.yaml b/roles/openshift_cluster_metrics/files/cluster-metrics/grafana.yaml
new file mode 100644
index 000000000..bff422efc
--- /dev/null
+++ b/roles/openshift_cluster_metrics/files/cluster-metrics/grafana.yaml
@@ -0,0 +1,53 @@
+apiVersion: "v1"
+kind: "List"
+items:
+  -
+    apiVersion: "v1"
+    kind: "Service"
+    metadata:
+      labels:
+        provider: "fabric8"
+        component: "grafana"
+      name: "grafana"
+    spec:
+      ports:
+        -
+          port: 80
+          targetPort: "http"
+      selector:
+        provider: "fabric8"
+        component: "grafana"
+  -
+    apiVersion: "v1"
+    kind: "ReplicationController"
+    metadata:
+      labels:
+        provider: "fabric8"
+        component: "grafana"
+      name: "grafana"
+    spec:
+      replicas: 1
+      selector:
+        provider: "fabric8"
+        component: "grafana"
+      template:
+        metadata:
+          labels:
+            provider: "fabric8"
+            component: "grafana"
+        spec:
+          containers:
+            -
+              env:
+                -
+                  name: "INFLUXDB_SERVICE_NAME"
+                  value: "INFLUXDB_MONITORING"
+                -
+                  name: "GRAFANA_DEFAULT_DASHBOARD"
+                  value: "/dashboard/file/kubernetes.json"
+              image: "fabric8/grafana:1.9.1_2"
+              name: "grafana"
+              ports:
+                -
+                  containerPort: 3000
+                  name: "http"
\ No newline at end of file
diff --git a/roles/openshift_cluster_metrics/files/cluster-metrics/heapster-serviceaccount.yaml b/roles/openshift_cluster_metrics/files/cluster-metrics/heapster-serviceaccount.yaml
new file mode 100644
index 000000000..1de2ad699
--- /dev/null
+++ b/roles/openshift_cluster_metrics/files/cluster-metrics/heapster-serviceaccount.yaml
@@ -0,0 +1,4 @@
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: heapster
\ No newline at end of file
diff --git a/roles/openshift_cluster_metrics/files/cluster-metrics/heapster.yaml b/roles/openshift_cluster_metrics/files/cluster-metrics/heapster.yaml
new file mode 100644
index 000000000..83e314074
--- /dev/null
+++ b/roles/openshift_cluster_metrics/files/cluster-metrics/heapster.yaml
@@ -0,0 +1,30 @@
+apiVersion: "v1"
+kind: "List"
+items:
+  -
+    apiVersion: "v1"
+    kind: "ReplicationController"
+    metadata:
+      labels:
+        provider: "fabric8"
+        component: "heapster"
+      name: "heapster"
+    spec:
+      replicas: 1
+      selector:
+        provider: "fabric8"
+        component: "heapster"
+      template:
+        metadata:
+          labels:
+            provider: "fabric8"
+            component: "heapster"
+        spec:
+          containers:
+            -
+              args:
+                - "-source=kubernetes:https://kubernetes.default.svc.cluster.local?auth=&insecure=true&useServiceAccount=true"
+                - "-sink=influxdb:http://influxdb-monitoring.default.svc.cluster.local:8086"
+              image: "kubernetes/heapster:V0.14.2"
+              name: "heapster"
+          serviceAccount: "heapster"
\ No newline at end of file
diff --git a/roles/openshift_cluster_metrics/files/cluster-metrics/influxdb.yaml b/roles/openshift_cluster_metrics/files/cluster-metrics/influxdb.yaml
new file mode 100644
index 000000000..6f67c3d7c
--- /dev/null
+++ b/roles/openshift_cluster_metrics/files/cluster-metrics/influxdb.yaml
@@ -0,0 +1,67 @@
+apiVersion: "v1"
+kind: "List"
+items:
+  -
+    apiVersion: "v1"
+    kind: "Service"
+    metadata:
+      labels:
+        provider: "fabric8"
+        component: "influxdb-monitoring"
+      name: "influxdb-monitoring"
+    spec:
+      ports:
+        -
+          port: 8086
+          targetPort: "http"
+      selector:
+        provider: "fabric8"
+        component: "influxdb-monitoring"
+  -
+    apiVersion: "v1"
+    kind: "ReplicationController"
+    metadata:
+      labels:
+        provider: "fabric8"
+        component: "influxdb-monitoring"
+      name: "influxdb-monitoring"
+    spec:
+      replicas: 1
+      selector:
+        provider: "fabric8"
+        component: "influxdb-monitoring"
+      template:
+        metadata:
+          labels:
+            provider: "fabric8"
+            component: "influxdb-monitoring"
+        spec:
+          containers:
+            -
+              env:
+                -
+                  name: "PRE_CREATE_DB"
+                  value: "k8s;grafana"
+              image: "fabric8/influxdb:0.8.8"
+              name: "influxdb"
+              ports:
+                -
+                  containerPort: 8090
+                  name: "raft"
+                -
+                  containerPort: 8099
+                  name: "protobuf"
+                -
+                  containerPort: 8083
+                  name: "admin"
+                -
+                  containerPort: 8086
+                  name: "http"
+              volumeMounts:
+                -
+                  mountPath: "/data"
+                  name: "influxdb-data"
+          volumes:
+            -
+              emptyDir:
+              name: "influxdb-data"
\ No newline at end of file
diff --git a/roles/openshift_cluster_metrics/tasks/main.yml b/roles/openshift_cluster_metrics/tasks/main.yml
new file mode 100644
index 000000000..3938aba4c
--- /dev/null
+++ b/roles/openshift_cluster_metrics/tasks/main.yml
@@ -0,0 +1,50 @@
+---
+
+- name: Install cluster metrics templates
+  copy:
+    src: cluster-metrics
+    dest: /etc/openshift/
+
+- name: Create InfluxDB Services
+  command: >
+    {{ openshift.common.client_binary }} create -f 
+    /etc/openshift/cluster-metrics/influxdb.yaml
+  register: oex_influxdb_services
+  failed_when: "'already exists' not in oex_influxdb_services.stderr and oex_influxdb_services.rc != 0"
+  changed_when: false
+
+- name: Create Heapster Service Account
+  command: >
+    {{ openshift.common.client_binary }} create -f 
+    /etc/openshift/cluster-metrics/heapster-serviceaccount.yaml
+  register: oex_heapster_serviceaccount
+  failed_when: "'already exists' not in oex_heapster_serviceaccount.stderr and oex_heapster_serviceaccount.rc != 0"
+  changed_when: false
+
+- name: Add cluster-reader role to Heapster
+  command: > 
+    {{ openshift.common.admin_binary }} policy
+    add-cluster-role-to-user
+    cluster-reader
+    system:serviceaccount:default:heapster
+  register: oex_cluster_header_role
+  register: oex_cluster_header_role
+  failed_when: "'already exists' not in oex_cluster_header_role.stderr and oex_cluster_header_role.rc != 0"
+  changed_when: false
+
+- name: Create Heapster Services
+  command: >
+    {{ openshift.common.client_binary }} create -f
+    /etc/openshift/cluster-metrics/heapster.yaml
+  register: oex_heapster_services
+  failed_when: "'already exists' not in oex_heapster_services.stderr and oex_heapster_services.rc != 0"
+  changed_when: false
+
+- name: Create Grafana Services
+  command: >
+    {{ openshift.common.client_binary }} create -f
+    /etc/openshift/cluster-metrics/grafana.yaml
+  register: oex_grafana_services
+  failed_when: "'already exists' not in oex_grafana_services.stderr and oex_grafana_services.rc != 0"
+  changed_when: false
+