diff options
Diffstat (limited to 'roles/openshift_prometheus/tasks/install_prometheus.yaml')
| -rw-r--r-- | roles/openshift_prometheus/tasks/install_prometheus.yaml | 244 |
1 files changed, 244 insertions, 0 deletions
diff --git a/roles/openshift_prometheus/tasks/install_prometheus.yaml b/roles/openshift_prometheus/tasks/install_prometheus.yaml new file mode 100644 index 000000000..a9bce2fb1 --- /dev/null +++ b/roles/openshift_prometheus/tasks/install_prometheus.yaml @@ -0,0 +1,244 @@ +--- + +# namespace +- name: Add prometheus project + oc_project: + state: "{{ state }}" + name: "{{ openshift_prometheus_namespace }}" + node_selector: "{{ openshift_prometheus_node_selector | oo_selector_to_string_list() }}" + description: Prometheus + +# secrets +- name: Set alert and prometheus secrets + oc_secret: + state: "{{ state }}" + name: "{{ item }}-proxy" + namespace: "{{ openshift_prometheus_namespace }}" + contents: + - path: session_secret + data: "{{ 43 | oo_random_word }}=" + with_items: + - prometheus + - alerts + +# serviceaccount +- name: create prometheus serviceaccount + oc_serviceaccount: + state: "{{ state }}" + name: prometheus + namespace: "{{ openshift_prometheus_namespace }}" + # TODO add annotations when supproted + # annotations: + # serviceaccounts.openshift.io/oauth-redirectreference.prom: '{"kind":"OAuthRedirectReference","apiVersion":"v1","reference":{"kind":"Route","name":"prometheus"}}' + # serviceaccounts.openshift.io/oauth-redirectreference.alerts: '{"kind":"OAuthRedirectReference","apiVersion":"v1","reference":{"kind":"Route","name":"alerts"}}' + + secrets: + - prometheus-secrets + changed_when: no + +# TODO remove this when annotations are supported by oc_serviceaccount +- name: annotate serviceaccount + command: > + {{ openshift.common.client_binary }} annotate --overwrite -n {{ openshift_prometheus_namespace }} + serviceaccount prometheus + serviceaccounts.openshift.io/oauth-redirectreference.prom='{"kind":"OAuthRedirectReference","apiVersion":"v1","reference":{"kind":"Route","name":"prometheus"}}' + serviceaccounts.openshift.io/oauth-redirectreference.alerts='{"kind":"OAuthRedirectReference","apiVersion":"v1","reference":{"kind":"Route","name":"alerts"}}' + + +# create clusterrolebinding for prometheus serviceaccount +- name: Set cluster-reader permissions for prometheus + oc_adm_policy_user: + state: "{{ state }}" + namespace: "{{ openshift_prometheus_namespace }}" + resource_kind: cluster-role + resource_name: cluster-reader + user: "system:serviceaccount:{{ openshift_prometheus_namespace }}:prometheus" + + +###################################################################### +# NFS +# In the case that we are not running on a cloud provider, volumes must be statically provisioned + +- include: nfs.yaml + when: not (openshift_cloudprovider_kind is defined and (openshift_cloudprovider_kind == 'aws' or openshift_cloudprovider_kind == 'gce')) + + +# create prometheus and alerts services +# TODO join into 1 task with loop +- name: Create prometheus service + oc_service: + state: "{{ state }}" + name: "{{ item.name }}" + namespace: "{{ openshift_prometheus_namespace }}" + selector: + app: prometheus + labels: + name: "{{ item.name }}" + # TODO add annotations when supported + # annotations: + # service.alpha.openshift.io/serving-cert-secret-name: "{{item.name}}-tls" + ports: + - port: 443 + targetPort: 8443 + with_items: + - name: prometheus + +- name: Create alerts service + oc_service: + state: "{{ state }}" + name: "{{ item.name }}" + namespace: "{{ openshift_prometheus_namespace }}" + selector: + app: prometheus + labels: + name: "{{ item.name }}" + # TODO add annotations when supported + # annotations: + # service.alpha.openshift.io/serving-cert-secret-name: "{{item.name}}-tls" + ports: + - port: 443 + targetPort: 9443 + with_items: + - name: alerts + + +# Annotate services with secret name +# TODO remove this when annotations are supported by oc_service +- name: annotate prometheus service + command: > + {{ openshift.common.client_binary }} annotate --overwrite -n {{ openshift_prometheus_namespace }} + service prometheus + prometheus.io/scrape='true' + prometheus.io/scheme=https + service.alpha.openshift.io/serving-cert-secret-name=prometheus-tls + +- name: annotate alerts service + command: > + {{ openshift.common.client_binary }} annotate --overwrite -n {{ openshift_prometheus_namespace }} + service alerts 'service.alpha.openshift.io/serving-cert-secret-name=prometheus-alerts-tls' + +# create prometheus and alerts routes +- name: create prometheus and alerts routes + oc_route: + state: "{{ state }}" + name: "{{ item.name }}" + namespace: "{{ openshift_prometheus_namespace }}" + service_name: "{{ item.name }}" + tls_termination: reencrypt + with_items: + - name: prometheus + - name: alerts + +# Storage +- name: create prometheus pvc + oc_pvc: + namespace: "{{ openshift_prometheus_namespace }}" + name: "{{ openshift_prometheus_pvc_name }}" + access_modes: "{{ openshift_prometheus_pvc_access_modes }}" + volume_capacity: "{{ openshift_prometheus_pvc_size }}" + selector: "{{ openshift_prometheus_pvc_pv_selector }}" + +- name: create alertmanager pvc + oc_pvc: + namespace: "{{ openshift_prometheus_namespace }}" + name: "{{ openshift_prometheus_alertmanager_pvc_name }}" + access_modes: "{{ openshift_prometheus_alertmanager_pvc_access_modes }}" + volume_capacity: "{{ openshift_prometheus_alertmanager_pvc_size }}" + selector: "{{ openshift_prometheus_alertmanager_pvc_pv_selector }}" + +- name: create alertbuffer pvc + oc_pvc: + namespace: "{{ openshift_prometheus_namespace }}" + name: "{{ openshift_prometheus_alertbuffer_pvc_name }}" + access_modes: "{{ openshift_prometheus_alertbuffer_pvc_access_modes }}" + volume_capacity: "{{ openshift_prometheus_alertbuffer_pvc_size }}" + selector: "{{ openshift_prometheus_alertbuffer_pvc_pv_selector }}" + +# create prometheus deployment +- name: Set prometheus deployment template + template: + src: prometheus_deployment.j2 + dest: "{{ tempdir }}/templates/prometheus.yaml" + vars: + namespace: "{{ openshift_prometheus_namespace }}" + prom_replicas: "{{ openshift_prometheus_replicas }}" + +- name: Set prometheus deployment + oc_obj: + state: "{{ state }}" + name: "prometheus" + namespace: "{{ openshift_prometheus_namespace }}" + kind: deployment + files: + - "{{ tempdir }}/templates/prometheus.yaml" + delete_after: true + +# prometheus configmap +# Copy the additional rules file if it is defined +- name: Copy additional rules file to host + copy: + src: "{{ openshift_prometheus_additional_rules_file }}" + dest: "{{ tempdir }}/prometheus.additional.rules" + when: + - openshift_prometheus_additional_rules_file is defined + - openshift_prometheus_additional_rules_file is not none + - openshift_prometheus_additional_rules_file | trim | length > 0 + +- stat: + path: "{{ tempdir }}/prometheus.additional.rules" + register: additional_rules_stat + +# The kubernetes version impacts the prometheus scraping endpoint +# so gathering it before constructing the configmap +- name: get oc version + oc_version: + register: oc_version + +- set_fact: + kubernetes_version: "{{ oc_version.results.kubernetes_short | float }}" + +- template: + src: prometheus.yml.j2 + dest: "{{ tempdir }}/prometheus.yml" + changed_when: no + +- template: + src: prometheus.rules.j2 + dest: "{{ tempdir }}/prometheus.rules" + changed_when: no + +# In prometheus configmap create "additional.rules" section if file exists +- name: Set prometheus configmap + oc_configmap: + state: "{{ state }}" + name: "prometheus" + namespace: "{{ openshift_prometheus_namespace }}" + from_file: + prometheus.rules: "{{ tempdir }}/prometheus.rules" + prometheus.additional.rules: "{{ tempdir }}/prometheus.additional.rules" + prometheus.yml: "{{ tempdir }}/prometheus.yml" + when: additional_rules_stat.stat.exists == True + +- name: Set prometheus configmap + oc_configmap: + state: "{{ state }}" + name: "prometheus" + namespace: "{{ openshift_prometheus_namespace }}" + from_file: + prometheus.rules: "{{ tempdir }}/prometheus.rules" + prometheus.yml: "{{ tempdir }}/prometheus.yml" + when: additional_rules_stat.stat.exists == False + +# alertmanager configmap +- template: + src: alertmanager.yml.j2 + dest: "{{ tempdir }}/alertmanager.yml" + changed_when: no + +- name: Set alertmanager configmap + oc_configmap: + state: "{{ state }}" + name: "prometheus-alerts" + namespace: "{{ openshift_prometheus_namespace }}" + from_file: + alertmanager.yml: "{{ tempdir }}/alertmanager.yml" |