Merge pull request #1517 from seungkyua/apply_efk_rabc_and_fluentd_configmap
Apply RBAC to efk and create fluentd.conf
This commit is contained in:
Brad Beam
GitHub
commit
08dd057864
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@ -1,34 +1,41 @@
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---
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- name: "ElasticSearch | Write efk manifests (RBAC)"
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template:
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src: "{{ item }}"
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dest: "{{ kube_config_dir }}/{{ item }}"
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with_items:
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- "efk-sa.yml"
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- "efk-clusterrolebinding.yml"
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run_once: true
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when: rbac_enabled
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- name: "ElasticSearch | Create Serviceaccount and Clusterrolebinding (RBAC)"
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command: "kubectl apply -f {{ kube_config_dir }}/{{ item }} -n {{ system_namespace }}"
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with_items:
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- "efk-sa.yml"
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- "efk-clusterrolebinding.yml"
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run_once: true
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when: rbac_enabled
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- name: "ElasticSearch | Write ES deployment"
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template:
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template:
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src: elasticsearch-deployment.yml.j2
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dest: "{{ kube_config_dir }}/elasticsearch-deployment.yaml"
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register: es_deployment_manifest
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- name: "ElasticSearch | Create ES deployment"
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kube:
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filename: "{{kube_config_dir}}/elasticsearch-deployment.yaml"
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kubectl: "{{bin_dir}}/kubectl"
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name: "elasticsearch-logging-v1"
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namespace: "{{system_namespace}}"
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resource: "rc"
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state: "{{ item | ternary('latest','present') }}"
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with_items: "{{ es_deployment_manifest.changed }}"
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command: "{{ bin_dir }}/kubectl apply -f {{ kube_config_dir }}/elasticsearch-deployment.yaml -n {{ system_namespace }}"
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run_once: true
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when: es_deployment_manifest.changed
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- name: "ElasticSearch | Write ES service "
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template:
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template:
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src: elasticsearch-service.yml.j2
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dest: "{{ kube_config_dir }}/elasticsearch-service.yaml"
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register: es_service_manifest
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- name: "ElasticSearch | Create ES service"
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kube:
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filename: "{{kube_config_dir}}/elasticsearch-service.yaml"
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kubectl: "{{bin_dir}}/kubectl"
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name: "elasticsearch-logging"
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namespace: "{{system_namespace}}"
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resource: "svc"
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state: "{{ item | ternary('latest','present') }}"
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with_items: "{{ es_service_manifest.changed }}"
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command: "{{ bin_dir }}/kubectl apply -f {{ kube_config_dir }}/elasticsearch-service.yaml -n {{ system_namespace }}"
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run_once: true
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when: es_service_manifest.changed
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@ -0,0 +1,13 @@
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kind: ClusterRoleBinding
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apiVersion: rbac.authorization.k8s.io/v1beta1
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metadata:
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name: efk
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namespace: {{ system_namespace }}
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subjects:
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- kind: ServiceAccount
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name: efk
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namespace: {{ system_namespace }}
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roleRef:
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kind: ClusterRole
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name: cluster-admin
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apiGroup: rbac.authorization.k8s.io
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@ -0,0 +1,7 @@
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apiVersion: v1
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kind: ServiceAccount
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metadata:
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name: efk
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namespace: {{ system_namespace }}
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labels:
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kubernetes.io/cluster-service: "true"
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@ -1,7 +1,7 @@
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---
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# https://raw.githubusercontent.com/kubernetes/kubernetes/v1.5.2/cluster/addons/fluentd-elasticsearch/es-controller.yaml
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apiVersion: v1
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kind: ReplicationController
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apiVersion: extensions/v1beta1
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kind: Deployment
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metadata:
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name: elasticsearch-logging-v1
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namespace: "{{ system_namespace }}"
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@ -12,8 +12,9 @@ metadata:
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spec:
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replicas: 2
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selector:
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k8s-app: elasticsearch-logging
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version: "{{ elasticsearch_image_tag }}"
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matchLabels:
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k8s-app: elasticsearch-logging
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version: "{{ elasticsearch_image_tag }}"
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template:
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metadata:
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labels:
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@ -49,3 +50,7 @@ spec:
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volumes:
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- name: es-persistent-storage
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emptyDir: {}
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{% if rbac_enabled %}
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serviceAccountName: efk
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{% endif %}
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@ -3,3 +3,5 @@ fluentd_cpu_limit: 0m
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fluentd_mem_limit: 200Mi
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fluentd_cpu_requests: 100m
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fluentd_mem_requests: 200Mi
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fluentd_config_dir: /etc/kubernetes/fluentd
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fluentd_config_file: fluentd.conf
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@ -1,28 +1,23 @@
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---
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- name: "Fluentd | copy config file"
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template:
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src: fluentd-config.yml.j2
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dest: "{{ kube_config_dir }}/fluentd-config.yaml"
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register: fluentd_config
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- name: "Fluentd | create configMap"
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command: "{{bin_dir}}/kubectl apply -f {{ kube_config_dir }}/fluentd-config.yaml"
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run_once: true
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when: fluentd_config.changed
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- name: "Fluentd | Write fluentd daemonset"
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template:
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src: fluentd-ds.yml.j2
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dest: "{{ kube_config_dir }}/fluentd-ds.yaml"
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register: fluentd_ds_manifest
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#FIXME: remove if kubernetes/features#124 is implemented
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- name: "Fluentd | Purge old fluentd daemonset"
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kube:
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filename: "{{kube_config_dir}}/fluentd-ds.yaml"
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kubectl: "{{bin_dir}}/kubectl"
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name: "fluentd-es-v{{ fluentd_version }}"
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namespace: "{{system_namespace}}"
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resource: "ds"
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state: absent
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when: inventory_hostname == groups['kube-master'][0] and fluentd_ds_manifest.changed
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- name: "Fluentd | Create fluentd daemonset"
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kube:
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filename: "{{kube_config_dir}}/fluentd-ds.yaml"
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kubectl: "{{bin_dir}}/kubectl"
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name: "fluentd-es-v{{ fluentd_version }}"
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namespace: "{{system_namespace}}"
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resource: "ds"
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state: "{{ item | ternary('latest','present') }}"
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with_items: "{{ fluentd_ds_manifest.changed }}"
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command: "{{ bin_dir }}/kubectl apply -f {{ kube_config_dir }}/fluentd-ds.yaml -n {{ system_namespace }}"
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run_once: true
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when: fluentd_ds_manifest.changed
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@ -0,0 +1,328 @@
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apiVersion: v1
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kind: ConfigMap
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metadata:
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name: fluentd-config
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namespace: "{{ system_namespace }}"
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data:
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{{ fluentd_config_file }}: |
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# This configuration file for Fluentd / td-agent is used
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# to watch changes to Docker log files. The kubelet creates symlinks that
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# capture the pod name, namespace, container name & Docker container ID
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# to the docker logs for pods in the /var/log/containers directory on the host.
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# If running this fluentd configuration in a Docker container, the /var/log
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# directory should be mounted in the container.
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#
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# These logs are then submitted to Elasticsearch which assumes the
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# installation of the fluent-plugin-elasticsearch & the
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# fluent-plugin-kubernetes_metadata_filter plugins.
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# See https://github.com/uken/fluent-plugin-elasticsearch &
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# https://github.com/fabric8io/fluent-plugin-kubernetes_metadata_filter for
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# more information about the plugins.
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# Maintainer: Jimmi Dyson <jimmidyson@gmail.com>
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#
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# Example
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# =======
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# A line in the Docker log file might look like this JSON:
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#
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# {"log":"2014/09/25 21:15:03 Got request with path wombat\n",
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# "stream":"stderr",
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# "time":"2014-09-25T21:15:03.499185026Z"}
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#
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# The time_format specification below makes sure we properly
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# parse the time format produced by Docker. This will be
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# submitted to Elasticsearch and should appear like:
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# $ curl 'http://elasticsearch-logging:9200/_search?pretty'
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# ...
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# {
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# "_index" : "logstash-2014.09.25",
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# "_type" : "fluentd",
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# "_id" : "VBrbor2QTuGpsQyTCdfzqA",
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# "_score" : 1.0,
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# "_source":{"log":"2014/09/25 22:45:50 Got request with path wombat\n",
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# "stream":"stderr","tag":"docker.container.all",
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# "@timestamp":"2014-09-25T22:45:50+00:00"}
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# },
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# ...
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#
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# The Kubernetes fluentd plugin is used to write the Kubernetes metadata to the log
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# record & add labels to the log record if properly configured. This enables users
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# to filter & search logs on any metadata.
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# For example a Docker container's logs might be in the directory:
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#
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# /var/lib/docker/containers/997599971ee6366d4a5920d25b79286ad45ff37a74494f262e3bc98d909d0a7b
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#
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# and in the file:
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#
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# 997599971ee6366d4a5920d25b79286ad45ff37a74494f262e3bc98d909d0a7b-json.log
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#
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# where 997599971ee6... is the Docker ID of the running container.
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# The Kubernetes kubelet makes a symbolic link to this file on the host machine
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# in the /var/log/containers directory which includes the pod name and the Kubernetes
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# container name:
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#
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# synthetic-logger-0.25lps-pod_default_synth-lgr-997599971ee6366d4a5920d25b79286ad45ff37a74494f262e3bc98d909d0a7b.log
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# ->
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# /var/lib/docker/containers/997599971ee6366d4a5920d25b79286ad45ff37a74494f262e3bc98d909d0a7b/997599971ee6366d4a5920d25b79286ad45ff37a74494f262e3bc98d909d0a7b-json.log
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#
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# The /var/log directory on the host is mapped to the /var/log directory in the container
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# running this instance of Fluentd and we end up collecting the file:
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#
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# /var/log/containers/synthetic-logger-0.25lps-pod_default_synth-lgr-997599971ee6366d4a5920d25b79286ad45ff37a74494f262e3bc98d909d0a7b.log
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#
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# This results in the tag:
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#
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# var.log.containers.synthetic-logger-0.25lps-pod_default_synth-lgr-997599971ee6366d4a5920d25b79286ad45ff37a74494f262e3bc98d909d0a7b.log
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#
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# The Kubernetes fluentd plugin is used to extract the namespace, pod name & container name
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# which are added to the log message as a kubernetes field object & the Docker container ID
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# is also added under the docker field object.
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# The final tag is:
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#
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# kubernetes.var.log.containers.synthetic-logger-0.25lps-pod_default_synth-lgr-997599971ee6366d4a5920d25b79286ad45ff37a74494f262e3bc98d909d0a7b.log
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#
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# And the final log record look like:
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#
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# {
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# "log":"2014/09/25 21:15:03 Got request with path wombat\n",
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# "stream":"stderr",
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# "time":"2014-09-25T21:15:03.499185026Z",
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# "kubernetes": {
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# "namespace": "default",
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# "pod_name": "synthetic-logger-0.25lps-pod",
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# "container_name": "synth-lgr"
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# },
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# "docker": {
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# "container_id": "997599971ee6366d4a5920d25b79286ad45ff37a74494f262e3bc98d909d0a7b"
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# }
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# }
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#
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# This makes it easier for users to search for logs by pod name or by
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# the name of the Kubernetes container regardless of how many times the
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# Kubernetes pod has been restarted (resulting in a several Docker container IDs).
|
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#
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# TODO: Propagate the labels associated with a container along with its logs
|
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# so users can query logs using labels as well as or instead of the pod name
|
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# and container name. This is simply done via configuration of the Kubernetes
|
||||
# fluentd plugin but requires secrets to be enabled in the fluent pod. This is a
|
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# problem yet to be solved as secrets are not usable in static pods which the fluentd
|
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# pod must be until a per-node controller is available in Kubernetes.
|
||||
# Prevent fluentd from handling records containing its own logs. Otherwise
|
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# it can lead to an infinite loop, when error in sending one message generates
|
||||
# another message which also fails to be sent and so on.
|
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<match fluent.**>
|
||||
type null
|
||||
</match>
|
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# Example:
|
||||
# {"log":"[info:2016-02-16T16:04:05.930-08:00] Some log text here\n","stream":"stdout","time":"2016-02-17T00:04:05.931087621Z"}
|
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<source>
|
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type tail
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path /var/log/containers/*.log
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pos_file /var/log/es-containers.log.pos
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time_format %Y-%m-%dT%H:%M:%S.%NZ
|
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tag kubernetes.*
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format json
|
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read_from_head true
|
||||
</source>
|
||||
# Example:
|
||||
# 2015-12-21 23:17:22,066 [salt.state ][INFO ] Completed state [net.ipv4.ip_forward] at time 23:17:22.066081
|
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<source>
|
||||
type tail
|
||||
format /^(?<time>[^ ]* [^ ,]*)[^\[]*\[[^\]]*\]\[(?<severity>[^ \]]*) *\] (?<message>.*)$/
|
||||
time_format %Y-%m-%d %H:%M:%S
|
||||
path /var/log/salt/minion
|
||||
pos_file /var/log/es-salt.pos
|
||||
tag salt
|
||||
</source>
|
||||
# Example:
|
||||
# Dec 21 23:17:22 gke-foo-1-1-4b5cbd14-node-4eoj startupscript: Finished running startup script /var/run/google.startup.script
|
||||
<source>
|
||||
type tail
|
||||
format syslog
|
||||
path /var/log/startupscript.log
|
||||
pos_file /var/log/es-startupscript.log.pos
|
||||
tag startupscript
|
||||
</source>
|
||||
# Examples:
|
||||
# time="2016-02-04T06:51:03.053580605Z" level=info msg="GET /containers/json"
|
||||
# time="2016-02-04T07:53:57.505612354Z" level=error msg="HTTP Error" err="No such image: -f" statusCode=404
|
||||
<source>
|
||||
type tail
|
||||
format /^time="(?<time>[^)]*)" level=(?<severity>[^ ]*) msg="(?<message>[^"]*)"( err="(?<error>[^"]*)")?( statusCode=($<status_code>\d+))?/
|
||||
path /var/log/docker.log
|
||||
pos_file /var/log/es-docker.log.pos
|
||||
tag docker
|
||||
</source>
|
||||
# Example:
|
||||
# 2016/02/04 06:52:38 filePurge: successfully removed file /var/etcd/data/member/wal/00000000000006d0-00000000010a23d1.wal
|
||||
<source>
|
||||
type tail
|
||||
# Not parsing this, because it doesn't have anything particularly useful to
|
||||
# parse out of it (like severities).
|
||||
format none
|
||||
path /var/log/etcd.log
|
||||
pos_file /var/log/es-etcd.log.pos
|
||||
tag etcd
|
||||
</source>
|
||||
# Multi-line parsing is required for all the kube logs because very large log
|
||||
# statements, such as those that include entire object bodies, get split into
|
||||
# multiple lines by glog.
|
||||
# Example:
|
||||
# I0204 07:32:30.020537 3368 server.go:1048] POST /stats/container/: (13.972191ms) 200 [[Go-http-client/1.1] 10.244.1.3:40537]
|
||||
<source>
|
||||
type tail
|
||||
format multiline
|
||||
multiline_flush_interval 5s
|
||||
format_firstline /^\w\d{4}/
|
||||
format1 /^(?<severity>\w)(?<time>\d{4} [^\s]*)\s+(?<pid>\d+)\s+(?<source>[^ \]]+)\] (?<message>.*)/
|
||||
time_format %m%d %H:%M:%S.%N
|
||||
path /var/log/kubelet.log
|
||||
pos_file /var/log/es-kubelet.log.pos
|
||||
tag kubelet
|
||||
</source>
|
||||
# Example:
|
||||
# I1118 21:26:53.975789 6 proxier.go:1096] Port "nodePort for kube-system/default-http-backend:http" (:31429/tcp) was open before and is still needed
|
||||
<source>
|
||||
type tail
|
||||
format multiline
|
||||
multiline_flush_interval 5s
|
||||
format_firstline /^\w\d{4}/
|
||||
format1 /^(?<severity>\w)(?<time>\d{4} [^\s]*)\s+(?<pid>\d+)\s+(?<source>[^ \]]+)\] (?<message>.*)/
|
||||
time_format %m%d %H:%M:%S.%N
|
||||
path /var/log/kube-proxy.log
|
||||
pos_file /var/log/es-kube-proxy.log.pos
|
||||
tag kube-proxy
|
||||
</source>
|
||||
# Example:
|
||||
# I0204 07:00:19.604280 5 handlers.go:131] GET /api/v1/nodes: (1.624207ms) 200 [[kube-controller-manager/v1.1.3 (linux/amd64) kubernetes/6a81b50] 127.0.0.1:38266]
|
||||
<source>
|
||||
type tail
|
||||
format multiline
|
||||
multiline_flush_interval 5s
|
||||
format_firstline /^\w\d{4}/
|
||||
format1 /^(?<severity>\w)(?<time>\d{4} [^\s]*)\s+(?<pid>\d+)\s+(?<source>[^ \]]+)\] (?<message>.*)/
|
||||
time_format %m%d %H:%M:%S.%N
|
||||
path /var/log/kube-apiserver.log
|
||||
pos_file /var/log/es-kube-apiserver.log.pos
|
||||
tag kube-apiserver
|
||||
</source>
|
||||
# Example:
|
||||
# I0204 06:55:31.872680 5 servicecontroller.go:277] LB already exists and doesn't need update for service kube-system/kube-ui
|
||||
<source>
|
||||
type tail
|
||||
format multiline
|
||||
multiline_flush_interval 5s
|
||||
format_firstline /^\w\d{4}/
|
||||
format1 /^(?<severity>\w)(?<time>\d{4} [^\s]*)\s+(?<pid>\d+)\s+(?<source>[^ \]]+)\] (?<message>.*)/
|
||||
time_format %m%d %H:%M:%S.%N
|
||||
path /var/log/kube-controller-manager.log
|
||||
pos_file /var/log/es-kube-controller-manager.log.pos
|
||||
tag kube-controller-manager
|
||||
</source>
|
||||
# Example:
|
||||
# W0204 06:49:18.239674 7 reflector.go:245] pkg/scheduler/factory/factory.go:193: watch of *api.Service ended with: 401: The event in requested index is outdated and cleared (the requested history has been cleared [2578313/2577886]) [2579312]
|
||||
<source>
|
||||
type tail
|
||||
format multiline
|
||||
multiline_flush_interval 5s
|
||||
format_firstline /^\w\d{4}/
|
||||
format1 /^(?<severity>\w)(?<time>\d{4} [^\s]*)\s+(?<pid>\d+)\s+(?<source>[^ \]]+)\] (?<message>.*)/
|
||||
time_format %m%d %H:%M:%S.%N
|
||||
path /var/log/kube-scheduler.log
|
||||
pos_file /var/log/es-kube-scheduler.log.pos
|
||||
tag kube-scheduler
|
||||
</source>
|
||||
# Example:
|
||||
# I1104 10:36:20.242766 5 rescheduler.go:73] Running Rescheduler
|
||||
<source>
|
||||
type tail
|
||||
format multiline
|
||||
multiline_flush_interval 5s
|
||||
format_firstline /^\w\d{4}/
|
||||
format1 /^(?<severity>\w)(?<time>\d{4} [^\s]*)\s+(?<pid>\d+)\s+(?<source>[^ \]]+)\] (?<message>.*)/
|
||||
time_format %m%d %H:%M:%S.%N
|
||||
path /var/log/rescheduler.log
|
||||
pos_file /var/log/es-rescheduler.log.pos
|
||||
tag rescheduler
|
||||
</source>
|
||||
# Example:
|
||||
# I0603 15:31:05.793605 6 cluster_manager.go:230] Reading config from path /etc/gce.conf
|
||||
<source>
|
||||
type tail
|
||||
format multiline
|
||||
multiline_flush_interval 5s
|
||||
format_firstline /^\w\d{4}/
|
||||
format1 /^(?<severity>\w)(?<time>\d{4} [^\s]*)\s+(?<pid>\d+)\s+(?<source>[^ \]]+)\] (?<message>.*)/
|
||||
time_format %m%d %H:%M:%S.%N
|
||||
path /var/log/glbc.log
|
||||
pos_file /var/log/es-glbc.log.pos
|
||||
tag glbc
|
||||
</source>
|
||||
# Example:
|
||||
# I0603 15:31:05.793605 6 cluster_manager.go:230] Reading config from path /etc/gce.conf
|
||||
<source>
|
||||
type tail
|
||||
format multiline
|
||||
multiline_flush_interval 5s
|
||||
format_firstline /^\w\d{4}/
|
||||
format1 /^(?<severity>\w)(?<time>\d{4} [^\s]*)\s+(?<pid>\d+)\s+(?<source>[^ \]]+)\] (?<message>.*)/
|
||||
time_format %m%d %H:%M:%S.%N
|
||||
path /var/log/cluster-autoscaler.log
|
||||
pos_file /var/log/es-cluster-autoscaler.log.pos
|
||||
tag cluster-autoscaler
|
||||
</source>
|
||||
<filter kubernetes.**>
|
||||
type kubernetes_metadata
|
||||
</filter>
|
||||
## Prometheus Exporter Plugin
|
||||
## input plugin that exports metrics
|
||||
#<source>
|
||||
# type prometheus
|
||||
#</source>
|
||||
#<source>
|
||||
# type monitor_agent
|
||||
#</source>
|
||||
#<source>
|
||||
# type forward
|
||||
#</source>
|
||||
## input plugin that collects metrics from MonitorAgent
|
||||
#<source>
|
||||
# @type prometheus_monitor
|
||||
# <labels>
|
||||
# host ${hostname}
|
||||
# </labels>
|
||||
#</source>
|
||||
## input plugin that collects metrics for output plugin
|
||||
#<source>
|
||||
# @type prometheus_output_monitor
|
||||
# <labels>
|
||||
# host ${hostname}
|
||||
# </labels>
|
||||
#</source>
|
||||
## input plugin that collects metrics for in_tail plugin
|
||||
#<source>
|
||||
# @type prometheus_tail_monitor
|
||||
# <labels>
|
||||
# host ${hostname}
|
||||
# </labels>
|
||||
#</source>
|
||||
<match **>
|
||||
type elasticsearch
|
||||
user "#{ENV['FLUENT_ELASTICSEARCH_USER']}"
|
||||
password "#{ENV['FLUENT_ELASTICSEARCH_PASSWORD']}"
|
||||
log_level info
|
||||
include_tag_key true
|
||||
host elasticsearch-logging
|
||||
port 9200
|
||||
logstash_format true
|
||||
# Set the chunk limit the same as for fluentd-gcp.
|
||||
buffer_chunk_limit 2M
|
||||
# Cap buffer memory usage to 2MiB/chunk * 32 chunks = 64 MiB
|
||||
buffer_queue_limit 32
|
||||
flush_interval 5s
|
||||
# Never wait longer than 5 minutes between retries.
|
||||
max_retry_wait 30
|
||||
# Disable the limit on the number of retries (retry forever).
|
||||
disable_retry_limit
|
||||
# Use multiple threads for processing.
|
||||
num_threads 8
|
||||
</match>
|
||||
|
|
@ -23,7 +23,7 @@ spec:
|
|||
command:
|
||||
- '/bin/sh'
|
||||
- '-c'
|
||||
- '/usr/sbin/td-agent 2>&1 >> /var/log/fluentd.log'
|
||||
- '/usr/sbin/td-agent -c {{ fluentd_config_dir }}/{{ fluentd_config_file}} 2>&1 >> /var/log/fluentd.log'
|
||||
resources:
|
||||
limits:
|
||||
{% if fluentd_cpu_limit is defined and fluentd_cpu_limit != "0m" %}
|
||||
|
|
@ -39,6 +39,8 @@ spec:
|
|||
- name: varlibdockercontainers
|
||||
mountPath: /var/lib/docker/containers
|
||||
readOnly: true
|
||||
- name: config
|
||||
mountPath: "{{ fluentd_config_dir }}"
|
||||
terminationGracePeriodSeconds: 30
|
||||
volumes:
|
||||
- name: varlog
|
||||
|
|
@ -47,3 +49,10 @@ spec:
|
|||
- name: varlibdockercontainers
|
||||
hostPath:
|
||||
path: /var/lib/docker/containers
|
||||
- name: config
|
||||
configMap:
|
||||
name: fluentd-config
|
||||
{% if rbac_enabled %}
|
||||
serviceAccountName: efk
|
||||
{% endif %}
|
||||
|
||||
|
|
|
|||
|
|
@ -44,3 +44,7 @@ spec:
|
|||
- containerPort: 5601
|
||||
name: ui
|
||||
protocol: TCP
|
||||
{% if rbac_enabled %}
|
||||
serviceAccountName: efk
|
||||
{% endif %}
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue