# use this for backwards compatability
# fullnameOverride: ""

# Version for ElasticSearch and Kibana have to match so we define it at top-level
version: 7.8.1

elastic_password: "" # super_secret_elastic_password

es:
  nodeSets: []
  #- count: 2
  #  storage:
  #    size: 16Gi
  #    class: local-sc-xfs
  #  zone: us-west-2a
  s3Snapshot:
    enabled: false
    iamrole: "" # INSERT_CLOUDFORMATION_OUTPUT_ElasticSearchSnapshots

  prometheus: false

kibana:
  count: 1
  #servicename: kibana.example.com
  istio:
    enabled: false
    gateway: "istio-system/ingressgateway"
    url: "" # kibana.example.com

fluentd:
  enabled: false
  #image:
    #repository: quay.io/fluentd_elasticsearch/fluentd
    #tag: v2.9.0
  istio:
    enabled: false

  # broken as of 2.5.1 ;-(
  # useStatefulSet: true
  replicaCount: 2

  plugins:
    enabled: true
    pluginsList:
    - fluent-plugin-detect-exceptions
  # - fluent-plugin-s3
  # - fluent-plugin-grok-parser

  persistence:
    enabled: true
    storageClass: "ebs-sc-gp2-xfs"
    accessMode: ReadWriteOnce
    size: 4Gi

  service:
    ports:
    - name: tcp-forward
      protocol: TCP
      containerPort: 24224
    - name: http-fluentd
      protocol: TCP
      containerPort: 9880

  metrics:
    enabled: false
    serviceMonitor:
      enabled: true
      additionalLabels:
        release: metrics
      namespace: monitoring

  output:
    host: logging-es-http

  shared_key: "cloudbender"

  env:
    OUTPUT_USER: elastic
    OUTPUT_SSL_VERIFY: "false"

  extraEnvVars:
  - name: OUTPUT_PASSWORD
    valueFrom:
      secretKeyRef:
        name: logging-es-elastic-user
        key: elastic
  - name: FLUENTD_SHARED_KEY
    valueFrom:
      secretKeyRef:
        name: logging-fluentd-secret
        key: shared_key

  extraVolumes:
    - name: fluentd-certs
      secret:
        secretName: fluentd-certificate
  extraVolumeMounts:
    - name: fluentd-certs
      mountPath: /mnt/fluentd-certs
      readOnly: true

  configMaps:
    forward-input.conf: |
      <source>
        @type forward
        port 24224
        bind 0.0.0.0
        skip_invalid_event true
        <transport tls>
          cert_path /mnt/fluentd-certs/tls.crt
          private_key_path /mnt/fluentd-certs/tls.key
        </transport>
        <security>
          self_hostname "#{ENV['HOSTNAME']}"
          shared_key "#{ENV['FLUENTD_SHARED_KEY']}"
        </security>
      </source>

    output.conf: |
      <match **>
        @id elasticsearch
        @type elasticsearch
        @log_level info
        include_tag_key true
        id_key id
        remove_keys id

        # This pipeline incl. eg. GeoIP
        pipeline fluentd

        host "#{ENV['OUTPUT_HOST']}"
        port "#{ENV['OUTPUT_PORT']}"
        scheme "#{ENV['OUTPUT_SCHEME']}"
        ssl_version "#{ENV['OUTPUT_SSL_VERSION']}"
        ssl_verify "#{ENV['OUTPUT_SSL_VERIFY']}"
        user "#{ENV['OUTPUT_USER']}"
        password "#{ENV['OUTPUT_PASSWORD']}"

        logstash_format true
        reload_connections false
        reconnect_on_error true
        reload_on_failure true
        request_timeout 15s

        <buffer>
          @type file
          path /var/log/fluentd-buffers/kubernetes.system.buffer
          flush_mode interval
          flush_thread_count 2
          flush_interval 5s
          flush_at_shutdown true
          retry_type exponential_backoff
          retry_timeout 60m
          retry_max_interval 30
          chunk_limit_size "#{ENV['OUTPUT_BUFFER_CHUNK_LIMIT']}"
          queue_limit_length "#{ENV['OUTPUT_BUFFER_QUEUE_LIMIT']}"
          overflow_action drop_oldest_chunk
        </buffer>
      </match>

#  filter.conf: |
#    <filter auth system.auth>
#      @type parser
#      key_name message
#      reserve_data true
#      reserve_time true
#      <parse>
#        @type grok
#
#        # SSH
#        <grok>
#          pattern %{DATA:system.auth.ssh.event} %{DATA:system.auth.ssh.method} for (invalid user )?%{DATA:system.auth.user} from %{IPORHOST:system.auth.ip} port %{NUMBER:system.auth.port} ssh2(: %{GREEDYDATA:system.auth.ssh.signature})?
#        </grok>
#        <grok>
#          pattern %{DATA:system.auth.ssh.event} user %{DATA:system.auth.user} from %{IPORHOST:system.auth.ip}
#        </grok>
#
#        # sudo
#        <grok>
#          pattern \s*%{DATA:system.auth.user} :( %{DATA:system.auth.sudo.error} ;)? TTY=%{DATA:system.auth.sudo.tty} ; PWD=%{DATA:system.auth.sudo.pwd} ; USER=%{DATA:system.auth.sudo.user} ; COMMAND=%{GREEDYDATA:system.auth.sudo.command}
#        </grok>
#
#        # Users
#        <grok>
#          pattern new group: name=%{DATA:system.auth.groupadd.name}, GID=%{NUMBER:system.auth.groupadd.gid}
#        </grok>
#        <grok>
#          pattern new user: name=%{DATA:system.auth.useradd.name}, UID=%{NUMBER:system.auth.useradd.uid}, GID=%{NUMBER:system.auth.useradd.gid}, home=%{DATA:system.auth.useradd.home}, shell=%{DATA:system.auth.useradd.shell}$
#        </grok>
#
#        <grok>
#          pattern %{GREEDYDATA:message}
#        </grok>
#      </parse>
#    </filter>