ElasticSearch snapshot and restore Kubernetes Yaml

elk.yaml

apiVersion: v1
kind: Namespace
metadata:
  name: elasticsearch

---
apiVersion: elasticsearch.k8s.elastic.co/v1
kind: Elasticsearch
metadata:
  name: quickstart
  namespace: elasticsearch
spec:
  version: 8.10.2
  nodeSets:
  - name: default
    count: 1
    podTemplate:
      spec:
        initContainers:
        - name: install-plugins
          command:
            - sh
            - -c
            - |
              bin/elasticsearch-plugin install --batch repository-s3
        - name: add-aws-keys
          env:
          - name: AWS_ACCESS_KEY_ID
            value: <AWS_ACCESS_KEY_ID>
          - name: AWS_SECRET_ACCESS_KEY
            value: <AWS_SECRET_ACCESS_KEY>
          command:
            - sh
            - -c
            - |
              echo $AWS_ACCESS_KEY_ID | bin/elasticsearch-keystore add --stdin --force s3.client.default.access_key
              echo $AWS_SECRET_ACCESS_KEY | bin/elasticsearch-keystore add --stdin --force s3.client.default.secret_key

    volumeClaimTemplates:
    - metadata:
        name: elasticsearch-data
      spec:
        accessModes:
        - ReadWriteOnce
        resources:
          requests:
            storage: 100Gi
    config:
      node.store.allow_mmap: false

---
apiVersion: kibana.k8s.elastic.co/v1
kind: Kibana
metadata:
  name: quickstart
  namespace: elasticsearch
spec:
  version: 8.10.2
  count: 1
  elasticsearchRef:
    name: quickstart
  http:
    tls:
      selfSignedCertificate:
        disabled: true   

---
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: elastic-search-api-ingress
  namespace: elasticsearch
  annotations:
    kubernetes.io/ingress.class: nginx
    kubernetes.io/tls-acme: "true"
    nginx.ingress.kubernetes.io/proxy-ssl-verify: "false"
    nginx.ingress.kubernetes.io/backend-protocol: "HTTPS"
spec:
  rules:
  - host: elasticsearch-api.example.com
    http:
      paths:
        - path: /
          pathType: Prefix
          backend:
              service:
                name: quickstart-es-http
                port:
                    number: 9200

---
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: elastic-search-ingress
  namespace: elasticsearch
  annotations:
    kubernetes.io/ingress.class: nginx
spec:
  rules:
  - host: elasticsearch.example.com
    http:
      paths:
        - path: /
          pathType: Prefix
          backend:
              service:
                name: quickstart-kb-http
                port:
                    number: 5601

---
apiVersion: v1
kind: ConfigMap
metadata:
  name: fluent-bit-config
  namespace: logging
  labels:
    k8s-app: fluent-bit
data:
  fluent-bit.conf: |
    [SERVICE]
        Flush         1
        Log_Level     info
        Daemon        off
        Parsers_File  parsers.conf
        HTTP_Server   On
        HTTP_Listen   0.0.0.0
        HTTP_Port     2020

    @INCLUDE input-kubernetes.conf
    @INCLUDE filter-kubernetes.conf
    @INCLUDE output-elasticsearch.conf

  input-kubernetes.conf: |
    [INPUT]
        Name              tail
        Tag               kube.*
        Path              /var/log/containers/*.log
        Exclude_Path      /var/log/containers/*_kube-system_*.log,/var/log/containers/*_kube-public_*.log,/var/log/containers/*_kube-node-lease_*.log,/var/log/containers/*_ingress-nginx_*.log,/var/log/containers/*_prometheus_*.log,/var/log/containers/*_argocd_*.log,/var/log/containers/*_cert-manager_*.log,/var/log/containers/*_chatwoot_*.log,/var/log/containers/*_elastic-system_*.log,/var/log/containers/*_elasticsearch_*.log,/var/log/containers/*_logging_*.log
        
        Parser            docker
        DB                /var/log/flb_kube.db
        Mem_Buf_Limit     5MB
        Skip_Long_Lines   On
        Refresh_Interval  10

  filter-kubernetes.conf: |
    [FILTER]
        Name                kubernetes
        Match               kube.*
        Kube_URL            https://kubernetes.default.svc:443
        Kube_CA_File        /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
        Kube_Token_File     /var/run/secrets/kubernetes.io/serviceaccount/token
        Kube_Tag_Prefix     kube.var.log.containers.
        Merge_Log           On
        Merge_Log_Key       log_processed
        K8S-Logging.Parser  On
        K8S-Logging.Exclude Off

  output-elasticsearch.conf: |
    [OUTPUT]
        Name            es
        Match           *
        Host            quickstart-es-http.elasticsearch
        Port            9200
        HTTP_User       elastic
        HTTP_Passwd     <Password>
        tls             On
        tls.verify      Off
        Logstash_Format On
        Replace_Dots    On
        Suppress_Type_Name  On
        Retry_Limit     False

  parsers.conf: |
    [PARSER]
        Name   apache
        Format regex
        Regex  ^(?<host>[^ ]*) [^ ]* (?<user>[^ ]*) \[(?<time>[^\]]*)\] "(?<method>\S+)(?: +(?<path>[^\"]*?)(?: +\S*)?)?" (?<code>[^ ]*) (?<size>[^ ]*)(?: "(?<referer>[^\"]*)" "(?<agent>[^\"]*)")?$
        Time_Key time
        Time_Format %d/%b/%Y:%H:%M:%S %z

    [PARSER]
        Name   apache2
        Format regex
        Regex  ^(?<host>[^ ]*) [^ ]* (?<user>[^ ]*) \[(?<time>[^\]]*)\] "(?<method>\S+)(?: +(?<path>[^ ]*) +\S*)?" (?<code>[^ ]*) (?<size>[^ ]*)(?: "(?<referer>[^\"]*)" "(?<agent>[^\"]*)")?$
        Time_Key time
        Time_Format %d/%b/%Y:%H:%M:%S %z

    [PARSER]
        Name   apache_error
        Format regex
        Regex  ^\[[^ ]* (?<time>[^\]]*)\] \[(?<level>[^\]]*)\](?: \[pid (?<pid>[^\]]*)\])?( \[client (?<client>[^\]]*)\])? (?<message>.*)$

    [PARSER]
        Name   nginx
        Format regex
        Regex ^(?<remote>[^ ]*) (?<host>[^ ]*) (?<user>[^ ]*) \[(?<time>[^\]]*)\] "(?<method>\S+)(?: +(?<path>[^\"]*?)(?: +\S*)?)?" (?<code>[^ ]*) (?<size>[^ ]*)(?: "(?<referer>[^\"]*)" "(?<agent>[^\"]*)")?$
        Time_Key time
        Time_Format %d/%b/%Y:%H:%M:%S %z

    [PARSER]
        Name   json
        Format json
        Time_Key time
        Time_Format %d/%b/%Y:%H:%M:%S %z

    [PARSER]
        Name        docker
        Format      json
        Time_Key    time
        Time_Format %Y-%m-%dT%H:%M:%S.%L
        Time_Keep   On

    [PARSER]
        Name cri
        Format regex
        Regex ^(?<time>[^ ]+) (?<stream>stdout|stderr) (?<logtag>[^ ]*) (?<message>.*)$
        Time_Key    time
        Time_Format %Y-%m-%dT%H:%M:%S.%L%z

    [PARSER]
        Name        syslog
        Format      regex
        Regex       ^\<(?<pri>[0-9]+)\>(?<time>[^ ]* {1,2}[^ ]* [^ ]*) (?<host>[^ ]*) (?<ident>[a-zA-Z0-9_\/\.\-]*)(?:\[(?<pid>[0-9]+)\])?(?:[^\:]*\:)? *(?<message>.*)$
        Time_Key    time
        Time_Format %b %d %H:%M:%S
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: fluent-bit-read
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: fluent-bit-read
subjects:
- kind: ServiceAccount
  name: fluent-bit
  namespace: logging
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: fluent-bit-read
rules:
- apiGroups: [""]
  resources:
  - namespaces
  - pods
  verbs: ["get", "list", "watch"]
---
apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: fluent-bit
  namespace: logging
  labels:
    k8s-app: fluent-bit-logging
    version: v1
    kubernetes.io/cluster-service: "true"
spec:
  selector:
    matchLabels:
      k8s-app: fluent-bit-logging
  template:
    metadata:
      labels:
        k8s-app: fluent-bit-logging
        version: v1
        kubernetes.io/cluster-service: "true"
      annotations:
        prometheus.io/scrape: "true"
        prometheus.io/port: "2020"
        prometheus.io/path: /api/v1/metrics/prometheus
    spec:
      containers:
      - name: fluent-bit
        image: fluent/fluent-bit:latest
        imagePullPolicy: Always
        ports:
          - containerPort: 2020
        volumeMounts:
        - name: varlog
          mountPath: /var/log
        - name: varlibdockercontainers
          mountPath: /var/lib/docker/containers
          readOnly: true
        - name: fluent-bit-config
          mountPath: /fluent-bit/etc/
      terminationGracePeriodSeconds: 10
      volumes:
      - name: varlog
        hostPath:
          path: /var/log
      - name: varlibdockercontainers
        hostPath:
          path: /var/lib/docker/containers
      - name: fluent-bit-config
        configMap:
          name: fluent-bit-config
      serviceAccountName: fluent-bit
      tolerations:
      - key: node-role.kubernetes.io/master
        operator: Exists
        effect: NoSchedule
      - operator: "Exists"
        effect: "NoExecute"
      - operator: "Exists"
        effect: "NoSchedule"
---
apiVersion: v1
kind: ServiceAccount
metadata:
  name: fluent-bit
  namespace: logging