ansible-role-k8s-mariadb/tasks/provision.yml

- name: Create mariadb configmaps
  ignore_errors: yes
  k8s_v1_config_map:
    host: "{{coe_host}}"
    context: "{{kube_context}}"
    kubeconfig: "{{config_file}}"
    name: mariadb
    namespace: "{{namespace}}"
    state: present
    debug: yes
    labels:
      service: mariadb
    data:
      kolla-config: |
        {
            "command": "/usr/bin/mysqld_safe",
            "config_files": []
        }        
      server-cnf: |
        [mysqld]
        pid-file=/var/lib/mysql/mariadb.pid        

- include: hiera.yml

- name: Create mariadb service
  k8s_v1_service:
    host: "{{coe_host}}"
    context: "{{kube_context}}"
    kubeconfig: "{{config_file}}"
    name: mariadb
    namespace: "{{namespace}}"
    state: present
    ports:
      - port: 3306
        name: db
    selector:
      app: mariadb
    labels:
      app: mariadb
    debug: yes
    annotations:
      service.alpha.kubernetes.io/tolerate-unready-endpoints: "false"
  register: create_service

- set_fact:
    init_container:
      - name: bootstrap
        image: tripleoupstream/centos-binary-mariadb
        env:
          - name: KOLLA_KUBERNETES
            value: ""
          - name: KOLLA_BOOTSTRAP
            value: ""
          - name: KOLLA_CONFIG_STRATEGY
            value: "COPY_ALWAYS"
          - name: DB_ROOT_PASSWORD
            value: "{{mariadb_config.root_password}}"
        volumeMounts:
          - name: kolla-config
            mountPath: /var/lib/kolla/config_files/
          - name: mariadb-config
            mountPath: /etc/my.cnf.d
          - name: mariadb-pvc
            mountPath: /var/lib/mysql
        volumes:
          - name: mariadb-pvc
          - name: kolla-config
            config_map:
              name: mariadb
              items:
                - key: kolla-config
                  path: config.json
          - name: mariadb-config
            config_map:
              name: mariadb
              items:
                - key: server-cnf
                  path: server.cnf

- name: Create mariadb deployment
  k8s_v1beta1_stateful_set:
    host: "{{coe_host}}"
    context: "{{kube_context}}"
    kubeconfig: "{{config_file}}"
    name: mariadb
    namespace: "{{namespace}}"
    state: present
    debug: yes
    spec_service_name: mariadb
    spec_template_metadata_name: mariadb
    spec_template_metadata_labels:
      app: mariadb
      galera: enabled
    containers:
      - name: mariadb
        image: tripleoupstream/centos-binary-mariadb
        ports:
        - container_port: 3306
        - container_port: 4567
        - container_port: 4444
        env:
        - name: KOLLA_CONFIG_STRATEGY
          value: COPY_ALWAYS
        - name: KOLLA_KUBERNETES
          value: ""
        - name: DB_ROOT_PASSWORD
          value: '{{mariadb_config.root_password}}'
        volume_mounts:
        - name: kolla-config
          mountPath: /var/lib/kolla/config_files/
        - name: mariadb-config
          mountPath: /etc/my.cnf.d
        - name: mariadb-pvc
          mountPath: /var/lib/mysql
    replicas: 1
    spec_template_metadata_annotations:
      pod.beta.kubernetes.io/init-containers: '{{init_container | to_json}}'
    volumes:
      - name: mariadb-pvc
      - name: kolla-config
        config_map:
          name: mariadb
          items:
            - key: kolla-config
              path: config.json
      - name: mariadb-config
        config_map:
          name: mariadb
          items:
            - key: server-cnf
              path: server.cnf

  register: create_deployment
  tags:
    - statefulset

- set_fact:
    my_cnf: |
      [mysql]
      user=root
      host={{mariadb_config.host}}
      password='{{mariadb_config.root_password}}'

      [client]
      user=root
      host={{mariadb_config.host}}
      password='{{mariadb_config.root_password}}'

      [mysqldump]
      user=root
      host={{mariadb_config.host}}
      password='{{mariadb_config.root_password}}'

      [mysqladmin]
      user=root
      host={{mariadb_config.host}}
      password='{{mariadb_config.root_password}}'

      [mysqlcheck]
      user=root
      host={{mariadb_config.host}}
      password='{{mariadb_config.root_password}}'      

- name: Create mariadb root secret
  k8s_v1_secret:
    host: "{{coe_host}}"
    context: "{{kube_context}}"
    kubeconfig: "{{config_file}}"
    name: mariadb-root
    namespace: "{{namespace}}"
    state: present
    data:
      my.cnf: |
        {{my_cnf | b64encode}}        


- debug: var=create_deployment