hanahmily commented on a change in pull request #8: helm charts URL: https://github.com/apache/skywalking-kubernetes/pull/8#discussion_r285387133
########## File path: helm/charts/6/6.0.0-GA/skywalking/templates/elasticsearch/elasticsearch-statefulset.yml ########## @@ -0,0 +1,123 @@ +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance +# with the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +apiVersion: apps/v1 +kind: StatefulSet +metadata: + name: {{ template "skywalking.fullname" . }}-elasticsearch + labels: + service: {{ .Values.elasticsearch.name }} +spec: + serviceName: {{ .Values.elasticsearch.name }} + # NOTE: This is number of nodes that we want to run + # you may update this + replicas: {{ .Values.elasticsearch.replicas }} + selector: + matchLabels: + service: {{ .Values.elasticsearch.name }} + template: + metadata: + labels: + service: {{ .Values.elasticsearch.name }} + spec: + terminationGracePeriodSeconds: 300 + initContainers: + # NOTE: + # This is to fix the permission on the volume + # By default elasticsearch container is not run as + # non root user. + # https://www.elastic.co/guide/en/elasticsearch/reference/current/docker.html#_notes_for_production_use_and_defaults + - name: fix-the-volume-permission + image: busybox + command: + - sh + - -c + - chown -R 1000:1000 /usr/share/elasticsearch/data + securityContext: + privileged: true + volumeMounts: + - name: data + mountPath: /usr/share/elasticsearch/data + # NOTE: + # To increase the default vm.max_map_count to 262144 + # https://www.elastic.co/guide/en/elasticsearch/reference/current/docker.html#docker-cli-run-prod-mode + - name: increase-the-vm-max-map-count + image: busybox + command: + - sysctl + - -w + - vm.max_map_count=262144 + securityContext: + privileged: true + # To increase the ulimit + # https://www.elastic.co/guide/en/elasticsearch/reference/current/docker.html#_notes_for_production_use_and_defaults + - name: increase-the-ulimit + image: busybox + command: + - sh + - -c + - ulimit -n 65536 + securityContext: + privileged: true + containers: + - name: elasticsearch + image: {{ .Values.elasticsearch.image.repository }}:{{ .Values.elasticsearch.image.tag }} + ports: + - containerPort: {{ .Values.elasticsearch.ports.http }} + name: http + - containerPort: {{ .Values.elasticsearch.ports.tcp }} + name: tcp + # NOTE: you can increase this resources + resources: + requests: + memory: {{ .Values.elasticsearch.resources.requests.memory }} + limits: + memory: {{ .Values.elasticsearch.resources.limits.memory }} + env: + # NOTE: the cluster name; update this + - name: cluster.name + value: elasticsearch-cluster + - name: node.name + valueFrom: + fieldRef: + fieldPath: metadata.name + # NOTE: This will tell the elasticsearch node where to connect to other nodes to form a cluster + - name: discovery.zen.ping.unicast.hosts + value: {{ .Values.elasticsearch.name }}:{{ .Values.elasticsearch.ports.tcp }} Review comment: Use one value to represent host. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected] With regards, Apache Git Services
