# Copyright 2017 The Openstack-Helm Authors.
#
# Licensed 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.

# Default values for fluentbit and fluentd.
# This is a YAML-formatted file.
# Declare variables to be passed into your templates.

release_group: null

labels:
  fluentd:
    node_selector_key: openstack-control-plane
    node_selector_value: enabled
  fluentbit:
    node_selector_key: openstack-control-plane
    node_selector_value: enabled
  prometheus_fluentd_exporter:
    node_selector_key: openstack-control-plane
    node_selector_value: enabled
  job:
    node_selector_key: openstack-control-plane
    node_selector_value: enabled
  test:
    node_selector_key: openstack-control-plane
    node_selector_value: enabled

images:
  tags:
    fluentbit: docker.io/fluent/fluent-bit:0.14.2
    fluentd: docker.io/fluent/fluentd-kubernetes-daemonset:v1.2-debian-elasticsearch
    prometheus_fluentd_exporter: docker.io/srwilkers/fluentd_exporter:v0.1
    dep_check: quay.io/stackanetes/kubernetes-entrypoint:v0.3.1
    helm_tests: docker.io/openstackhelm/heat:newton
    elasticsearch_template: docker.io/openstackhelm/heat:newton
    image_repo_sync: docker.io/docker:17.07.0
  pull_policy: IfNotPresent
  local_registry:
    active: false
    exclude:
      - dep_check
      - image_repo_sync

secrets:
  elasticsearch:
    user: fluentd-elasticsearch-user

dependencies:
  dynamic:
    common:
      local_image_registry:
        jobs:
          - fluent-logging-image-repo-sync
        services:
          - endpoint: node
            service: local_image_registry
  static:
    elasticsearch_template:
      services:
        - endpoint: internal
          service: elasticsearch
    fluentbit:
      jobs:
        - elasticsearch-template
      services:
        - endpoint: internal
          service: fluentd
    fluentd:
      jobs:
        - elasticsearch-template
      services:
        - endpoint: internal
          service: elasticsearch
    fluentd_with_kafka:
      services:
        - endpoint: internal
          service: elasticsearch
        - endpoint: public
          service: kafka
    image_repo_sync:
      services:
        - endpoint: internal
          service: local_image_registry
    prometheus_fluentd_exporter:
      services:
        - endpoint: internal
          service: fluentd
    tests:
      services:
        - endpoint: internal
          service: elasticsearch
        - endpoint: internal
          service: fluentd

conf:
  fluentbit:
    - service:
        header: service
        Flush: 30
        Daemon: Off
        Log_Level: info
        Parsers_File: parsers.conf
    - kernel_messages:
        header: input
        Name: tail
        Tag: kernel
        Path: /var/log/kern.log
        DB: /var/log/kern.db
        Mem_Buf_Limit: 5MB
        DB.Sync: Normal
        Buffer_Chunk_Size: 1M
        Buffer_Max_Size: 1M
    - libvirt:
        header: input
        Name: tail
        Tag: libvirt
        Path: /var/log/libvirt/libvirtd.log
        DB: /var/log/libvirt.db
        Mem_Buf_Limit: 5MB
        DB.Sync: Normal
        Buffer_Chunk_Size: 1M
        Buffer_Max_Size: 1M
    - qemu:
        header: input
        Name: tail
        Tag: qemu
        Path: /var/log/libvirt/qemu/*.log
        DB: /var/log/qemu.db
        Mem_Buf_Limit: 5MB
        DB.Sync: Normal
        Buffer_Chunk_Size: 1M
        Buffer_Max_Size: 1M
    - kubelet:
        header: input
        Name: systemd
        Tag: journal.*
        Path: ${JOURNAL_PATH}
        Systemd_Filter: _SYSTEMD_UNIT=kubelet.service
        DB: /var/log/kubelet.db
        Mem_Buf_Limit: 5MB
        DB.Sync: Normal
        Buffer_Chunk_Size: 1M
        Buffer_Max_Size: 1M
    - docker_daemon:
        header: input
        Name: systemd
        Tag: journal.*
        Path: ${JOURNAL_PATH}
        Systemd_Filter: _SYSTEMD_UNIT=docker.service
        DB: /var/log/docker.db
        Mem_Buf_Limit: 5MB
        DB.Sync: Normal
        Buffer_Chunk_Size: 1M
        Buffer_Max_Size: 1M
    - libvirt_record_modifier:
        header: filter
        Name: record_modifier
        Match: libvirt
        Record: hostname ${HOSTNAME}
    - qemu_record_modifier:
        header: filter
        Name: record_modifier
        Match: qemu
        Record: hostname ${HOSTNAME}
    - kernel_record_modifier:
        header: filter
        Name: record_modifier
        Match: kernel
        Record: hostname ${HOSTNAME}
    - systemd_modify_fields:
        header: filter
        Name: modify
        Match: journal.**
        Rename:
          _BOOT_ID: BOOT_ID
          _CAP_EFFECTIVE: CAP_EFFECTIVE
          _CMDLINE: CMDLINE
          _COMM: COMM
          _EXE: EXE
          _GID: GID
          _HOSTNAME: HOSTNAME
          _MACHINE_ID: MACHINE_ID
          _PID: PID
          _SYSTEMD_CGROUP: SYSTEMD_CGROUP
          _SYSTEMD_SLICE: SYSTEMD_SLICE
          _SYSTEMD_UNIT: SYSTEMD_UNIT
          _UID: UID
          _TRANSPORT: TRANSPORT
    - containers_tail:
        header: input
        Name: tail
        Tag: kube.*
        Path: /var/log/containers/*.log
        Parser: docker
        DB: /var/log/flb_kube.db
        Mem_Buf_Limit: 5MB
        DB.Sync: Normal
        Buffer_Chunk_Size: 1M
        Buffer_Max_Size: 1M
    - drop_fluentd_logs:
        header: output
        Name: "null"
        Match: "**.fluentd**"
    - kube_filter:
        header: filter
        Name: kubernetes
        Match: kube.*
        Merge_JSON_Log: On
    - fluentd_output:
        header: output
        Name: forward
        Match: "*"
        Host: ${FLUENTD_HOST}
        Port: ${FLUENTD_PORT}
  parsers:
    - docker:
        header: parser
        Name: docker
        Format: json
        Time_Key: time
        Time_Format: "%Y-%m-%dT%H:%M:%S.%L"
        Time_Keep: On
        Decode_Field_As: escaped_utf8 log
  fluentd:
    - metrics_agent:
        header: source
        type: monitor_agent
        bind: 0.0.0.0
        port: 24220
    - fluentbit_forward:
        header: source
        type: forward
        port: "#{ENV['FLUENTD_PORT']}"
        bind: 0.0.0.0
    - filter_fluentd_logs:
        header: match
        expression: "fluent.**"
        type: "null"
      # NOTE(srwilkers): Look for specific keywords in the log key to determine
      # log level of event
    - tag_kubernetes_log_level:
        header: match
        type: rewrite_tag_filter
        expression: "kube.var.log.containers.**.log"
        rule:
          -
            - header: rule
              key: log
              pattern: /info/i
              tag: info.${tag}
            - header: rule
              key: log
              pattern: /warn/i
              tag: warn.${tag}
            - header: rule
              key: log
              pattern: /error/i
              tag: error.${tag}
            - header: rule
              key: log
              pattern: /critical/i
              tag: critical.${tag}
            - header: rule
              key: log
              pattern: (.+)
              tag: info.${tag}
      # NOTE(srwilkers): Create new key for log level, and use the tag prefix
      # added previously
    - add_kubernetes_log_level_and_application_key:
        header: filter
        type: record_transformer
        enable_ruby: true
        expression: "**.kube.var.log.containers.**.log"
        record:
          -
            - header: record
              level: ${tag_parts[0]}
              application: ${record["kubernetes"]["labels"]["application"]}
    - add_openstack_application_key:
        header: filter
        type: record_transformer
        expression: "openstack.**"
        record:
          -
            - header: record
              application: ${tag_parts[1]}
      #NOTE(srwilkers): This prefixes the tag for oslo.log entries from the
      # fluent handler/formatter with the log level, allowing for lookups on
      # openstack logs with a particular log level (ie: error.openstack.keystone)
    - tag_openstack_log_level:
        header: match
        type: rewrite_tag_filter
        expression: "openstack.**"
        rule:
          -
            - header: rule
              key: level
              pattern: INFO
              tag: info.${tag}
            - header: rule
              key: level
              pattern: WARN
              tag: warn.${tag}
            - header: rule
              key: level
              pattern: ERROR
              tag: error.${tag}
            - header: rule
              key: level
              pattern: CRITICAL
              tag: critical.${tag}
      #NOTE(tp6510): This prefixes the tag for auth entries
      # it allows for lookups on openstack logs with
      # a particular auth log (ie: auth.openstack.keystone)
    - tag_auth_log:
        header: match
        type: rewrite_tag_filter
        expression: "*.openstack.**"
        rule:
          -
            - header: rule
              key: application
              pattern: keystone
              tag: auth.${tag}
            - header: rule
              key: application
              pattern: horizon
              tag: auth.${tag}
            - header: rule
              key: application
              pattern: mariadb
              tag: auth.${tag}
            - header: rule
              key: application
              pattern: memcached
              tag: auth.${tag}
            - header: rule
              key: application
              pattern: rabbitmq
              tag: auth.${tag}
    - libvirt_elasticsearch:
        header: match
        type: elasticsearch
        user: "#{ENV['ELASTICSEARCH_USERNAME']}"
        password: "#{ENV['ELASTICSEARCH_PASSWORD']}"
        expression: "libvirt"
        include_tag_key: true
        host: "#{ENV['ELASTICSEARCH_HOST']}"
        port: "#{ENV['ELASTICSEARCH_PORT']}"
        logstash_format: true
        logstash_prefix: libvirt
        buffer_chunk_limit: 2M
        buffer_queue_limit: 8
        flush_interval: "5"
        max_retry_wait: 300
        disable_retry_limit: ""
    - qemu_elasticsearch:
        header: match
        type: elasticsearch
        user: "#{ENV['ELASTICSEARCH_USERNAME']}"
        password: "#{ENV['ELASTICSEARCH_PASSWORD']}"
        expression: "qemu"
        include_tag_key: true
        host: "#{ENV['ELASTICSEARCH_HOST']}"
        port: "#{ENV['ELASTICSEARCH_PORT']}"
        logstash_format: true
        logstash_prefix: qemu
        buffer_chunk_limit: 2M
        buffer_queue_limit: 8
        flush_interval: "5"
        max_retry_wait: 300
        disable_retry_limit: ""
    - journal_elasticsearch:
        header: match
        type: elasticsearch
        user: "#{ENV['ELASTICSEARCH_USERNAME']}"
        password: "#{ENV['ELASTICSEARCH_PASSWORD']}"
        expression: "journal.**"
        include_tag_key: true
        host: "#{ENV['ELASTICSEARCH_HOST']}"
        port: "#{ENV['ELASTICSEARCH_PORT']}"
        logstash_format: true
        logstash_prefix: journal
        buffer_chunk_limit: 2M
        buffer_queue_limit: 8
        flush_interval: "5"
        max_retry_wait: 300
        disable_retry_limit: ""
    - kernel_elasticsearch:
        header: match
        type: elasticsearch
        user: "#{ENV['ELASTICSEARCH_USERNAME']}"
        password: "#{ENV['ELASTICSEARCH_PASSWORD']}"
        expression: "kernel"
        include_tag_key: true
        host: "#{ENV['ELASTICSEARCH_HOST']}"
        port: "#{ENV['ELASTICSEARCH_PORT']}"
        logstash_format: true
        logstash_prefix: kernel
        buffer_chunk_limit: 2M
        buffer_queue_limit: 8
        flush_interval: "5"
        max_retry_wait: 300
        disable_retry_limit: ""
    # NOTE(srwilkers): This configuration entry should always be the last output
    # defined, as it is used to determine the total flush cycle time for fluentbit
    # and fluentd
    - elasticsearch:
        header: match
        type: elasticsearch
        user: "#{ENV['ELASTICSEARCH_USERNAME']}"
        password: "#{ENV['ELASTICSEARCH_PASSWORD']}"
        expression: "**"
        include_tag_key: true
        host: "#{ENV['ELASTICSEARCH_HOST']}"
        port: "#{ENV['ELASTICSEARCH_PORT']}"
        logstash_format: true
        buffer_chunk_limit: 2M
        buffer_queue_limit: 8
        flush_interval: "5"
        max_retry_wait: 300
        disable_retry_limit: ""
        type_name: fluent
  fluentd_exporter:
    log:
      format: "logger:stdout?json=true"
      level: "info"
  templates:
    fluent:
      template: "logstash-*"
      index_patterns: "logstash-*"
      settings:
        number_of_shards: 1
      mappings:
        fluent:
          properties:
            kubernetes:
              properties:
                container_name:
                  type: keyword
                  index: false
                docker_id:
                  type: keyword
                  index: false
                host:
                  type: keyword
                  index: false
                namespace_name:
                  type: keyword
                  index: false
                pod_id:
                  type: keyword
                  index: false
                pod_name:
                  type: keyword
                  index: false

endpoints:
  cluster_domain_suffix: cluster.local
  local_image_registry:
    name: docker-registry
    namespace: docker-registry
    hosts:
      default: localhost
      internal: docker-registry
      node: localhost
    host_fqdn_override:
      default: null
    port:
      registry:
        node: 5000
  elasticsearch:
    namespace: null
    name: elasticsearch
    auth:
      admin:
        username: admin
        password: changeme
    hosts:
      data: elasticsearch-data
      default: elasticsearch-logging
      discovery: elasticsearch-discovery
      public: elasticsearch
    host_fqdn_override:
      default: null
    path:
      default: null
    scheme:
      default: http
    port:
      http:
        default: 80
  kafka:
    namespace: null
    name: kafka
    hosts:
      default: kafka-logging
      public: kafka
    host_fqdn_override:
      default: null
    path:
      default: null
    scheme:
      default: http
    port:
      service:
        default: 9092
  fluentd:
    namespace: null
    name: fluentd
    hosts:
      default: fluentd-logging
    host_fqdn_override:
      default: null
    path:
      default: null
    scheme:
      default: http
    port:
      service:
        default: 24224
      metrics:
        default: 24220
  prometheus_fluentd_exporter:
    namespace: null
    hosts:
      default: fluentd-exporter
    host_fqdn_override:
      default: null
    path:
      default: /metrics
    scheme:
      default: 'http'
    port:
      metrics:
        default: 9309

monitoring:
  prometheus:
    enabled: false
    fluentd_exporter:
      scrape: true

network:
  fluentd:
    node_port:
      enabled: false
      port: 32329

pod:
  user:
    fluentd:
      uid: 65534
    fluentd_exporter:
      uid: 65534
  affinity:
    anti:
      type:
        default: preferredDuringSchedulingIgnoredDuringExecution
      topologyKey:
        default: kubernetes.io/hostname
  lifecycle:
    upgrades:
      daemonsets:
        pod_replacement_strategy: RollingUpdate
        fluentbit:
          enabled: true
          min_ready_seconds: 0
          max_unavailable: 1
      deployments:
        revision_history: 3
        pod_replacement_strategy: RollingUpdate
        rolling_update:
          max_unavailable: 1
          max_surge: 3
    termination_grace_period:
      fluentd:
        timeout: 30
      prometheus_fluentd_exporter:
        timeout: 30
  replicas:
    fluentd: 3
    prometheus_fluentd_exporter: 1
  resources:
    enabled: false
    fluentbit:
      limits:
        memory: '400Mi'
        cpu: '400m'
      requests:
        memory: '100Mi'
        cpu: '100m'
    fluentd:
      limits:
        memory: '1024Mi'
        cpu: '2000m'
      requests:
        memory: '128Mi'
        cpu: '500m'
    prometheus_fluentd_exporter:
      limits:
        memory: "1024Mi"
        cpu: "2000m"
      requests:
        memory: "128Mi"
        cpu: "500m"
    jobs:
      image_repo_sync:
        requests:
          memory: "128Mi"
          cpu: "100m"
        limits:
          memory: "1024Mi"
          cpu: "2000m"
      tests:
        requests:
          memory: '128Mi'
          cpu: '100m'
        limits:
          memory: '1024Mi'
          cpu: '2000m'
  tolerations:
    fluentbit:
      enabled: false
      tolerations:
      - key: node-role.kubernetes.io/master
        operator: Exists
      - key: node-role.kubernetes.io/node
        operator: Exists
  mounts:
    fluentd:
      fluentd:
    fluentbit:
      fluentbit:
    fluent_tests:
      fluent_tests:
    elasticsearch_template:
      init_container:
      elasticsearch_template:

manifests:
  configmap_bin: true
  configmap_etc: true
  deployment_fluentd: true
  daemonset_fluentbit: true
  job_image_repo_sync: true
  helm_tests: true
  monitoring:
    prometheus:
      configmap_bin: true
      deployment_exporter: true
      service_exporter: true
  network_policy: false
  secret_elasticsearch: true
  service_fluentd: true
  job_elasticsearch_template: true