# 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 mariadb.
# This is a YAML-formatted file.
# Declare name/value pairs to be passed into your templates.
# name: value

release_group: null

images:
  tags:
    mariadb: docker.io/openstackhelm/mariadb:10.2.18
    ingress: quay.io/kubernetes-ingress-controller/nginx-ingress-controller:0.9.0
    error_pages: gcr.io/google_containers/defaultbackend:1.0
    prometheus_create_mysql_user: docker.io/mariadb:10.2.13
    prometheus_mysql_exporter: docker.io/prom/mysqld-exporter:v0.10.0
    prometheus_mysql_exporter_helm_tests: docker.io/openstackhelm/heat:newton-ubuntu_xenial
    dep_check: quay.io/airshipit/kubernetes-entrypoint:v1.0.0
    image_repo_sync: docker.io/docker:17.07.0
    mariadb_backup: docker.io/openstackhelm/mariadb:ubuntu_xenial-20191031
    scripted_test: docker.io/openstackhelm/mariadb:ubuntu_xenial-20191031
  pull_policy: "IfNotPresent"
  local_registry:
    active: false
    exclude:
      - dep_check
      - image_repo_sync

labels:
  server:
    node_selector_key: openstack-control-plane
    node_selector_value: enabled
  ingress:
    node_selector_key: openstack-control-plane
    node_selector_value: enabled
  prometheus_mysql_exporter:
    node_selector_key: openstack-control-plane
    node_selector_value: enabled
  error_server:
    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

pod:
  probes:
    server:
      mariadb:
        readiness:
          enabled: true
          params:
            initialDelaySeconds: 30
            periodSeconds: 30
            timeoutSeconds: 15
  security_context:
    server:
      pod:
        runAsUser: 999
      container:
        perms:
          runAsUser: 0
          readOnlyRootFilesystem: true
        mariadb:
          runAsUser: 999
          allowPrivilegeEscalation: false
          readOnlyRootFilesystem: true
    ingress:
      pod:
        runAsUser: 65534
      container:
        server:
          runAsUser: 0
          readOnlyRootFilesystem: false
    error_pages:
      pod:
        runAsUser: 65534
      container:
        server:
          allowPrivilegeEscalation: false
          readOnlyRootFilesystem: true
    prometheus_mysql_exporter:
      pod:
        runAsUser: 99
      container:
        exporter:
          runAsUser: 99
          allowPrivilegeEscalation: false
          readOnlyRootFilesystem: true
    prometheus_create_mysql_user:
      pod:
        runAsUser: 0
      container:
        main:
          allowPrivilegeEscalation: false
          readOnlyRootFilesystem: true
    tests:
      pod:
        runAsUser: 999
      container:
        test:
          runAsUser: 999
          readOnlyRootFilesystem: true
  affinity:
    anti:
      type:
        default: preferredDuringSchedulingIgnoredDuringExecution
      topologyKey:
        default: kubernetes.io/hostname
      weight:
        default: 10
  replicas:
    server: 3
    ingress: 2
    error_page: 1
    prometheus_mysql_exporter: 1
  lifecycle:
    upgrades:
      deployments:
        revision_history: 3
        pod_replacement_strategy: RollingUpdate
        rolling_update:
          max_unavailable: 1
          max_surge: 3
    termination_grace_period:
      prometheus_mysql_exporter:
        timeout: 30
      error_pages:
        timeout: 10
    disruption_budget:
      mariadb:
        min_available: 0
  resources:
    enabled: false
    prometheus_mysql_exporter:
      limits:
        memory: "1024Mi"
        cpu: "2000m"
      requests:
        memory: "128Mi"
        cpu: "500m"
    server:
      requests:
        memory: "128Mi"
        cpu: "100m"
      limits:
        memory: "1024Mi"
        cpu: "2000m"
    jobs:
      tests:
        limits:
          memory: "1024Mi"
          cpu: "2000m"
        requests:
          memory: "128Mi"
          cpu: "100m"
      prometheus_create_mysql_user:
        limits:
          memory: "1024Mi"
          cpu: "2000m"
        requests:
          memory: "128Mi"
          cpu: "100m"
      image_repo_sync:
        requests:
          memory: "128Mi"
          cpu: "100m"
        limits:
          memory: "1024Mi"
          cpu: "2000m"
      mariadb_backup:
        requests:
          memory: "128Mi"
          cpu: "100m"
        limits:
          memory: "1024Mi"
          cpu: "2000m"

dependencies:
  dynamic:
    common:
      local_image_registry:
        jobs:
          - mariadb-image-repo-sync
        services:
          - endpoint: node
            service: local_image_registry
  static:
    error_pages:
      jobs: null
    ingress:
      jobs: null
      services:
        - endpoint: error_pages
          service: oslo_db
    mariadb:
      jobs: null
      services: null
    prometheus_create_mysql_user:
      services:
        - endpoint: internal
          service: oslo_db
    prometheus_mysql_exporter:
      jobs:
        - exporter-create-sql-user
      services:
        - endpoint: internal
          service: oslo_db
    prometheus_mysql_exporter_tests:
      services:
        - endpoint: internal
          service: prometheus_mysql_exporter
        - endpoint: internal
          service: monitoring
    image_repo_sync:
      services:
        - endpoint: internal
          service: local_image_registry
    mariadb_backup:
      services:
        - endpoint: internal
          service: oslo_db
    tests:
      services:
        - endpoint: internal
          service: oslo_db

volume:
  # this value is used for single pod deployments of mariadb to prevent losing all data
  # if the pod is restarted
  use_local_path_for_single_pod_cluster:
    enabled: false
    host_path: "/tmp/mysql-data"
  chown_on_start: true
  enabled: true
  class_name: general
  size: 5Gi
  backup:
    enabled: true
    class_name: general
    size: 5Gi

jobs:
  exporter_create_sql_user:
    backoffLimit: 87600
    activeDeadlineSeconds: 3600
  backup_mariadb:
    cron: "0 0 * * *"
    history:
      success: 3
      failed: 1

conf:
  tests:
    # This may either be:
    # * internal: which will hit the endpoint exposed by the ingress controller
    # * direct: which will hit the backends directly via a k8s service ip
    # Note, deadlocks and failure are to be expected with concurrency if
    # hitting the `direct` endpoint.
    endpoint: internal
    # This is a list of tuning params passed to mysqlslap:
    params:
      - --auto-generate-sql
      - --concurrency=100
      - --number-of-queries=1000
      - --number-char-cols=1
      - --number-int-cols=1
  ingress: null
  ingress_conf:
    worker-processes: "auto"
  backup:
    enabled: true
    base_path: /var/backup
    mysqldump_options: >
      --single-transaction --quick --add-drop-database
      --add-drop-table --databases
    days_of_backup_to_keep: 3
  database:
    my: |
      [mysqld]
      datadir=/var/lib/mysql
      basedir=/usr
      ignore-db-dirs=lost+found

      [client-server]
      !includedir /etc/mysql/conf.d/
    00_base: |
      [mysqld]
      # Charset
      character_set_server=utf8
      collation_server=utf8_unicode_ci
      skip-character-set-client-handshake

      # Logging
      slow_query_log=off
      slow_query_log_file=/var/log/mysql/mariadb-slow.log
      log_warnings=2

      # General logging has huge performance penalty therefore is disabled by default
      general_log=off
      general_log_file=/var/log/mysql/mariadb-error.log

      long_query_time=3
      log_queries_not_using_indexes=on

      # Networking
      bind_address=0.0.0.0
      port={{ tuple "oslo_db" "direct" "mysql" . | include "helm-toolkit.endpoints.endpoint_port_lookup" }}

      # When a client connects, the server will perform hostname resolution,
      # and when DNS is slow, establishing the connection will become slow as well.
      # It is therefore recommended to start the server with skip-name-resolve to
      # disable all DNS lookups. The only limitation is that the GRANT statements
      # must then use IP addresses only.
      skip_name_resolve

      # Tuning
      user=mysql
      max_allowed_packet=256M
      open_files_limit=10240
      max_connections=8192
      max-connect-errors=1000000

      ## Generally, it is unwise to set the query cache to be larger than 64-128M
      ## as the costs associated with maintaining the cache outweigh the performance
      ## gains.
      ## The query cache is a well known bottleneck that can be seen even when
      ## concurrency is moderate. The best option is to disable it from day 1
      ## by setting query_cache_size=0 (now the default on MySQL 5.6)
      ## and to use other ways to speed up read queries: good indexing, adding
      ## replicas to spread the read load or using an external cache.
      query_cache_size=0
      query_cache_type=0

      sync_binlog=0
      thread_cache_size=16
      table_open_cache=2048
      table_definition_cache=1024

      #
      # InnoDB
      #
      # The buffer pool is where data and indexes are cached: having it as large as possible
      # will ensure you use memory and not disks for most read operations.
      # Typical values are 50..75% of available RAM.
      # TODO(tomasz.paszkowski): This needs to by dynamic based on available RAM.
      innodb_buffer_pool_size=1024M
      innodb_doublewrite=0
      innodb_file_format=Barracuda
      innodb_file_per_table=1
      innodb_flush_method=O_DIRECT
      innodb_io_capacity=500
      innodb_locks_unsafe_for_binlog=1
      innodb_log_file_size=128M
      innodb_old_blocks_time=1000
      innodb_read_io_threads=8
      innodb_write_io_threads=8

      # Clustering
      binlog_format=ROW
      default-storage-engine=InnoDB
      innodb_autoinc_lock_mode=2
      innodb_flush_log_at_trx_commit=2
      wsrep_cluster_name={{ tuple "oslo_db" "direct" . | include "helm-toolkit.endpoints.hostname_namespaced_endpoint_lookup" | replace "." "_" }}
      wsrep_on=1
      wsrep_provider=/usr/lib/galera/libgalera_smm.so
      wsrep_provider_options="evs.suspect_timeout=PT30S; gmcast.peer_timeout=PT15S; gmcast.listen_addr=tcp://0.0.0.0:{{ tuple "oslo_db" "direct" "wsrep" . | include "helm-toolkit.endpoints.endpoint_port_lookup" }}"
      wsrep_slave_threads=12
      wsrep_sst_auth={{ .Values.endpoints.oslo_db.auth.sst.username }}:{{ .Values.endpoints.oslo_db.auth.sst.password }}
      wsrep_sst_method=mariabackup

      [mysqldump]
      max-allowed-packet=16M

      [client]
      default_character_set=utf8
      protocol=tcp
      port={{ tuple "oslo_db" "direct" "mysql" . | include "helm-toolkit.endpoints.endpoint_port_lookup" }}
    config_override: null
    # Any configuration here will override the base config.
    # config_override: |-
    #   [mysqld]
    #   wsrep_slave_threads=1
    99_force: |
      [mysqld]
      datadir=/var/lib/mysql
      tmpdir=/tmp

monitoring:
  prometheus:
    enabled: false
    mysqld_exporter:
      scrape: true

# typically overridden by environmental
# values, but should include all endpoints
# required by this chart
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
  monitoring:
    name: prometheus
    namespace: null
    hosts:
      default: prom-metrics
      public: prometheus
    host_fqdn_override:
      default: null
    path:
      default: null
    scheme:
      default: 'http'
    port:
      api:
        default: 9090
        public: 80
  prometheus_mysql_exporter:
    namespace: null
    hosts:
      default: mysql-exporter
    host_fqdn_override:
      default: null
    path:
      default: /metrics
    scheme:
      default: 'http'
    port:
      metrics:
        default: 9104
  oslo_db:
    namespace: null
    auth:
      admin:
        username: root
        password: password
      sst:
        username: sst
        password: password
      audit:
        username: audit
        password: password
      exporter:
        username: exporter
        password: password
    hosts:
      default: mariadb
      direct: mariadb-server
      discovery: mariadb-discovery
      error_pages: mariadb-ingress-error-pages
    host_fqdn_override:
      default: null
    path: null
    scheme: mysql+pymysql
    port:
      mysql:
        default: 3306
      wsrep:
        default: 4567
  kube_dns:
    namespace: kube-system
    name: kubernetes-dns
    hosts:
      default: kube-dns
    host_fqdn_override:
      default: null
    path:
      default: null
    scheme: http
    port:
      dns_tcp:
        default: 53
      dns:
        default: 53
        protocol: UDP

network_policy:
  mariadb:
    ingress:
      - {}
    egress:
      - {}
  prometheus-mysql-exporter:
    ingress:
      - {}
    egress:
      - {}

manifests:
  configmap_bin: true
  configmap_etc: true
  configmap_ingress_conf: true
  configmap_ingress_etc: true
  configmap_services_tcp: true
  deployment_error: true
  deployment_ingress: true
  job_image_repo_sync: true
  cron_job_mariadb_backup: false
  pvc_backup: false
  monitoring:
    prometheus:
      configmap_bin: true
      deployment_exporter: true
      job_user_create: true
      secret_etc: true
      service_exporter: true
      network_policy_exporter: false
  pdb_server: true
  network_policy: false
  pod_test: true
  secret_dbadmin_password: true
  secret_sst_password: true
  secret_dbaudit_password: true
  secret_etc: true
  service_discovery: true
  service_ingress: true
  service_error: true
  service: true
  statefulset: true