From 4e30a4243a6c9692c24a574ecfd83c2bcd1e2785 Mon Sep 17 00:00:00 2001 From: Jan Wozniak Date: Tue, 1 Aug 2017 15:24:41 +0200 Subject: logging: introducing event router - eventrouter has its own role 'openshift_logging_eventrouter' written as a template - 'openshift_logging_install_eventrouter' controls whether it gets included in the playbook or not - deployed by default to 'default' namespace --- roles/openshift_logging_eventrouter/README.md | 20 ++++ .../defaults/main.yaml | 9 ++ .../files/eventrouter-template.yaml | 103 +++++++++++++++++++ .../tasks/delete_eventrouter.yaml | 40 ++++++++ .../tasks/install_eventrouter.yaml | 59 +++++++++++ .../openshift_logging_eventrouter/tasks/main.yaml | 6 ++ .../templates/eventrouter-template.j2 | 109 +++++++++++++++++++++ roles/openshift_logging_eventrouter/vars/main.yaml | 2 + 8 files changed, 348 insertions(+) create mode 100644 roles/openshift_logging_eventrouter/README.md create mode 100644 roles/openshift_logging_eventrouter/defaults/main.yaml create mode 100644 roles/openshift_logging_eventrouter/files/eventrouter-template.yaml create mode 100644 roles/openshift_logging_eventrouter/tasks/delete_eventrouter.yaml create mode 100644 roles/openshift_logging_eventrouter/tasks/install_eventrouter.yaml create mode 100644 roles/openshift_logging_eventrouter/tasks/main.yaml create mode 100644 roles/openshift_logging_eventrouter/templates/eventrouter-template.j2 create mode 100644 roles/openshift_logging_eventrouter/vars/main.yaml (limited to 'roles/openshift_logging_eventrouter') diff --git a/roles/openshift_logging_eventrouter/README.md b/roles/openshift_logging_eventrouter/README.md new file mode 100644 index 000000000..da313d68b --- /dev/null +++ b/roles/openshift_logging_eventrouter/README.md @@ -0,0 +1,20 @@ +Event router +------------ + +A pod forwarding kubernetes events to EFK aggregated logging stack. + +- **eventrouter** is deployed to logging project, has a service account and its own role to read events +- **eventrouter** watches kubernetes events, marshalls them to JSON and outputs to its sink, currently only various formatting to STDOUT +- **fluentd** picks them up and inserts to elasticsearch *.operations* index + +- `openshift_logging_install_eventrouter`: When 'True', eventrouter will be installed. When 'False', eventrouter will be uninstalled. + +Configuration variables: + +- `openshift_logging_eventrouter_image_prefix`: The prefix for the eventrouter logging image. Defaults to `openshift_logging_image_prefix`. +- `openshift_logging_eventrouter_image_version`: The image version for the logging eventrouter. Defaults to 'latest'. +- `openshift_logging_eventrouter_sink`: Select a sink for eventrouter, supported 'stdout' and 'glog'. Defaults to 'stdout'. +- `openshift_logging_eventrouter_nodeselector`: A map of labels (e.g. {"node":"infra","region":"west"} to select the nodes where the pod will land. +- `openshift_logging_eventrouter_cpu_limit`: The amount of CPU to allocate to eventrouter. Defaults to '100m'. +- `openshift_logging_eventrouter_memory_limit`: The memory limit for eventrouter pods. Defaults to '128Mi'. +- `openshift_logging_eventrouter_namespace`: The namespace where eventrouter is deployed. Defaults to 'default'. diff --git a/roles/openshift_logging_eventrouter/defaults/main.yaml b/roles/openshift_logging_eventrouter/defaults/main.yaml new file mode 100644 index 000000000..34e33f75f --- /dev/null +++ b/roles/openshift_logging_eventrouter/defaults/main.yaml @@ -0,0 +1,9 @@ +--- +openshift_logging_eventrouter_image_prefix: "{{ openshift_logging_image_prefix | default(__openshift_logging_image_prefix) }}" +openshift_logging_eventrouter_image_version: "{{ openshift_logging_image_version | default('latest') }}" +openshift_logging_eventrouter_replicas: 1 +openshift_logging_eventrouter_sink: stdout +openshift_logging_eventrouter_nodeselector: "" +openshift_logging_eventrouter_cpu_limit: 100m +openshift_logging_eventrouter_memory_limit: 128Mi +openshift_logging_eventrouter_namespace: default diff --git a/roles/openshift_logging_eventrouter/files/eventrouter-template.yaml b/roles/openshift_logging_eventrouter/files/eventrouter-template.yaml new file mode 100644 index 000000000..91708e54b --- /dev/null +++ b/roles/openshift_logging_eventrouter/files/eventrouter-template.yaml @@ -0,0 +1,103 @@ +# this openshift template should match (except nodeSelector) jinja2 template in +# ../templates/eventrouter-template.j2 +kind: Template +apiVersion: v1 +metadata: + name: eventrouter-template + annotations: + description: "A pod forwarding kubernetes events to EFK aggregated logging stack." + tags: "events,EFK,logging" +objects: + - kind: ServiceAccount + apiVersion: v1 + metadata: + name: aggregated-logging-eventrouter + - kind: ClusterRole + apiVersion: v1 + metadata: + name: event-reader + rules: + - apiGroups: [""] + resources: ["events"] + verbs: ["get", "watch", "list"] + - kind: ConfigMap + apiVersion: v1 + metadata: + name: logging-eventrouter + data: + config.json: |- + { + "sink": "${SINK}" + } + - kind: DeploymentConfig + apiVersion: v1 + metadata: + name: logging-eventrouter + labels: + component: eventrouter + logging-infra: eventrouter + provider: openshift + spec: + selector: + component: eventrouter + logging-infra: eventrouter + provider: openshift + replicas: ${REPLICAS} + template: + metadata: + labels: + component: eventrouter + logging-infra: eventrouter + provider: openshift + name: logging-eventrouter + spec: + serviceAccount: aggregated-logging-eventrouter + serviceAccountName: aggregated-logging-eventrouter + containers: + - name: kube-eventrouter + image: ${IMAGE} + imagePullPolicy: Always + resources: + limits: + memory: ${MEMORY} + cpu: ${CPU} + requires: + memory: ${MEMORY} + volumeMounts: + - name: config-volume + mountPath: /etc/eventrouter + volumes: + - name: config-volume + configMap: + name: logging-eventrouter + - kind: ClusterRoleBinding + apiVersion: v1 + metadata: + name: event-reader-binding + subjects: + - kind: ServiceAccount + name: aggregated-logging-eventrouter + namespace: ${NAMESPACE} + roleRef: + kind: ClusterRole + name: event-reader + +parameters: + - name: SINK + displayName: Sink + value: stdout + - name: REPLICAS + displayName: Replicas + value: "1" + - name: IMAGE + displayName: Image + value: "docker.io/openshift/origin-logging-eventrouter:latest" + - name: MEMORY + displayName: Memory + value: "128Mi" + - name: CPU + displayName: CPU + value: "100m" + - name: NAMESPACE + displayName: Namespace + value: default diff --git a/roles/openshift_logging_eventrouter/tasks/delete_eventrouter.yaml b/roles/openshift_logging_eventrouter/tasks/delete_eventrouter.yaml new file mode 100644 index 000000000..cf0abbde9 --- /dev/null +++ b/roles/openshift_logging_eventrouter/tasks/delete_eventrouter.yaml @@ -0,0 +1,40 @@ +--- +# delete eventrouter +- name: Delete EventRouter service account + oc_serviceaccount: + state: absent + name: "aggregated-logging-eventrouter" + namespace: "{{ openshift_logging_eventrouter_namespace }}" + +- name: Delete event-reader cluster role + oc_clusterrole: + state: absent + name: event-reader + +- name: Unset privileged permissions for EventRouter + oc_adm_policy_user: + namespace: "{{ openshift_logging_eventrouter_namespace }}" + resource_kind: cluster-role + resource_name: event-reader + state: absent + user: "system:serviceaccount:{{ openshift_logging_eventrouter_namespace }}:aggregated-logging-eventrouter" + +- name: Delete EventRouter configmap + oc_configmap: + state: absent + name: logging-eventrouter + namespace: "{{ openshift_logging_eventrouter_namespace }}" + +- name: Delete EventRouter DC + oc_obj: + state: absent + name: logging-eventrouter + namespace: "{{ openshift_logging_eventrouter_namespace }}" + kind: dc + +- name: Delete EventRouter Template + oc_obj: + state: absent + name: eventrouter-template + namespace: "{{ openshift_logging_eventrouter_namespace }}" + kind: template diff --git a/roles/openshift_logging_eventrouter/tasks/install_eventrouter.yaml b/roles/openshift_logging_eventrouter/tasks/install_eventrouter.yaml new file mode 100644 index 000000000..8df7435e2 --- /dev/null +++ b/roles/openshift_logging_eventrouter/tasks/install_eventrouter.yaml @@ -0,0 +1,59 @@ +--- +# initial checks +- assert: + msg: Invalid sink type "{{openshift_logging_eventrouter_sink}}", only one of "{{__eventrouter_sinks}}" allowed + that: openshift_logging_eventrouter_sink in __eventrouter_sinks + +# allow passing in a tempdir +- name: Create temp directory for doing work in + command: mktemp -d /tmp/openshift-logging-ansible-XXXXXX + register: mktemp + changed_when: False + +- set_fact: + tempdir: "{{ mktemp.stdout }}" + +- name: Create templates subdirectory + file: + state: directory + path: "{{ tempdir }}/templates" + mode: 0755 + changed_when: False + +# create EventRouter deployment config +- name: Generate EventRouter template + template: + src: eventrouter-template.j2 + dest: "{{ tempdir }}/templates/eventrouter-template.yaml" + vars: + node_selector: "{{ openshift_logging_eventrouter_nodeselector | default({}) }}" + +- name: Create EventRouter template + oc_obj: + namespace: "{{ openshift_logging_eventrouter_namespace }}" + kind: template + name: eventrouter-template + state: present + files: + - "{{ tempdir }}/templates/eventrouter-template.yaml" + +- name: Process EventRouter template + oc_process: + state: present + template_name: eventrouter-template + namespace: "{{ openshift_logging_eventrouter_namespace }}" + params: + IMAGE: "{{openshift_logging_eventrouter_image_prefix}}logging-eventrouter:{{openshift_logging_eventrouter_image_version}}" + REPLICAS: "{{ openshift_logging_eventrouter_replicas }}" + CPU: "{{ openshift_logging_eventrouter_cpu_limit }}" + MEMORY: "{{ openshift_logging_eventrouter_memory_limit }}" + NAMESPACE: "{{ openshift_logging_eventrouter_namespace }}" + SINK: "{{ openshift_logging_eventrouter_sink }}" + +## Placeholder for migration when necessary ## + +- name: Delete temp directory + file: + name: "{{ tempdir }}" + state: absent + changed_when: False diff --git a/roles/openshift_logging_eventrouter/tasks/main.yaml b/roles/openshift_logging_eventrouter/tasks/main.yaml new file mode 100644 index 000000000..58e5a559f --- /dev/null +++ b/roles/openshift_logging_eventrouter/tasks/main.yaml @@ -0,0 +1,6 @@ +--- +- include: "{{ role_path }}/tasks/install_eventrouter.yaml" + when: openshift_logging_install_eventrouter | default(false) | bool + +- include: "{{ role_path }}/tasks/delete_eventrouter.yaml" + when: not openshift_logging_install_eventrouter | default(false) | bool diff --git a/roles/openshift_logging_eventrouter/templates/eventrouter-template.j2 b/roles/openshift_logging_eventrouter/templates/eventrouter-template.j2 new file mode 100644 index 000000000..9ff4c7e80 --- /dev/null +++ b/roles/openshift_logging_eventrouter/templates/eventrouter-template.j2 @@ -0,0 +1,109 @@ +# this jinja2 template should always match (except nodeSelector) openshift template in +# ../files/eventrouter-template.yaml +kind: Template +apiVersion: v1 +metadata: + name: eventrouter-template + annotations: + description: "A pod forwarding kubernetes events to EFK aggregated logging stack." + tags: "events,EFK,logging" +objects: + - kind: ServiceAccount + apiVersion: v1 + metadata: + name: aggregated-logging-eventrouter + - kind: ClusterRole + apiVersion: v1 + metadata: + name: event-reader + rules: + - apiGroups: [""] + resources: ["events"] + verbs: ["get", "watch", "list"] + - kind: ConfigMap + apiVersion: v1 + metadata: + name: logging-eventrouter + data: + config.json: |- + { + "sink": "${SINK}" + } + - kind: DeploymentConfig + apiVersion: v1 + metadata: + name: logging-eventrouter + labels: + component: eventrouter + logging-infra: eventrouter + provider: openshift + spec: + selector: + component: eventrouter + logging-infra: eventrouter + provider: openshift + replicas: ${REPLICAS} + template: + metadata: + labels: + component: eventrouter + logging-infra: eventrouter + provider: openshift + name: logging-eventrouter + spec: + serviceAccount: aggregated-logging-eventrouter + serviceAccountName: aggregated-logging-eventrouter +{% if node_selector is iterable and node_selector | length > 0 %} + nodeSelector: +{% for key, value in node_selector.iteritems() %} + {{ key }}: "{{ value }}" +{% endfor %} +{% endif %} + containers: + - name: kube-eventrouter + image: ${IMAGE} + imagePullPolicy: Always + resources: + limits: + memory: ${MEMORY} + cpu: ${CPU} + requires: + memory: ${MEMORY} + volumeMounts: + - name: config-volume + mountPath: /etc/eventrouter + volumes: + - name: config-volume + configMap: + name: logging-eventrouter + - kind: ClusterRoleBinding + apiVersion: v1 + metadata: + name: event-reader-binding + subjects: + - kind: ServiceAccount + name: aggregated-logging-eventrouter + namespace: ${NAMESPACE} + roleRef: + kind: ClusterRole + name: event-reader + +parameters: + - name: SINK + displayName: Sink + value: stdout + - name: REPLICAS + displayName: Replicas + value: "1" + - name: IMAGE + displayName: Image + value: "docker.io/openshift/origin-logging-eventrouter:latest" + - name: MEMORY + displayName: Memory + value: "128Mi" + - name: CPU + displayName: CPU + value: "100m" + - name: NAMESPACE + displayName: Namespace + value: default diff --git a/roles/openshift_logging_eventrouter/vars/main.yaml b/roles/openshift_logging_eventrouter/vars/main.yaml new file mode 100644 index 000000000..bdf561fe3 --- /dev/null +++ b/roles/openshift_logging_eventrouter/vars/main.yaml @@ -0,0 +1,2 @@ +--- +__eventrouter_sinks: ["glog", "stdout"] -- cgit v1.2.3