diff options
Diffstat (limited to 'roles/openshift_cluster_metrics')
6 files changed, 240 insertions, 0 deletions
diff --git a/roles/openshift_cluster_metrics/README.md b/roles/openshift_cluster_metrics/README.md new file mode 100644 index 000000000..9fdfab8e3 --- /dev/null +++ b/roles/openshift_cluster_metrics/README.md @@ -0,0 +1,36 @@ +#openshift_cluster_metrics + +This role configures Cluster wide metrics. It does setting up three services: +* Metrics are stored in InfluxDB for querying. +* Heapster reads all nodes and pods from the master, then connects to eachs node's kubelet to retrieve pod metrics. +* Grafan allows users to create dashboards of metrics from InfluxDB + +## Requirements + +Running OpenShift cluster + +## Role Variables + +``` +# Enable cluster metrics +use_cluster_metrics=true +``` + +## Dependencies + +None + +## Example Playbook + +TODO + +## Security Note +Opening up the read-only port exposes information about the running pods (such as namespace, pod name, labels, etc.) to unauthenticated clients. The requirement to open up this read-only port will be fixed in future versions. + +##License + +Apache License, Version 2.0 + +## Author Information + +Diego Castro (diego.castro@getupcloud.com) 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 + |