ElasticSearch

Overview

ElasticSearch is considered an above baseline service by Party Bus. Very minimal support will be provided to customers, and the majority of the ElasticSearch setup will be performed by the individual teams.

Use this document to understand the steps needed to utilize ElasticSearch.

Steps to Take

Step	Action	Assigned
1	Team submits an MR to add the below to their manifests for ElasticSearch. base/elasticsearch/statefulset.yaml	Product Team
2	Team adds to their statefulset.yaml to build an ElasticSearch instance. Updates for fields other than replicas, template, updateStrategy, persistentVolumeClaimRetentionPolicy, and minReadySeconds are forbidden.	Product Team
3	Open a Pipeline Issues Ticket when basic assistance is needed.	Product Team
4	Team adds a service.yaml file to MR.	Product Team
5	Team adds a kustomization.yaml file to MR.	Product Team
6	Team merges in changes/MR with new ElasticSearch deployment.	Product Team

Example ElasticSearch statefulset.yaml File

apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: elasticsearch
spec:
  serviceName: elasticsearch
  template:
    spec:
      securityContext:
        fsGroup: 1337
      containers:
        - name: elasticsearch
          image: registry1.dso.mil/ironbank/elastic/elasticsearch/elasticsearch:7.17.6
          env:
            - name: node.name
              value: "elasticsearch"
            - name: cluster.initial_master_nodes
              value: "elasticsearch"
          volumeMounts:
            - name: sts-pvc
              mountPath: /usr/share/elasticsearch/data
          resources:
            limits:
              memory: 512Mi
  volumeClaimTemplates:
    - metadata:
        name: sts-pvc
      spec:
        accessModes:
          - "ReadWriteOnce"
        resources:
          requests:
            storage: 10Mi

Example ElasticSearch service.yaml file

apiVersion: v1
kind: Service
metadata:
  name: elasticsearch
spec:
  ports:
    - protocol: TCP
      port: 9200
      targetPort: 9200
      name: tcp

Example kustomization.yaml

apiVersion: kustomize.config.k8s.io/v1beta1
kind: Kustomization

commonLabels:
  app: elasticsearch
  authentication: istio-auth

resources:
  - statefulset.yaml
  - service.yaml