heat_template_version: wallaby

description: >
  OpenStack containerized OVN DBs service managed by pacemaker

parameters:
  ContainerOvnDbsImage:
    description: image
    type: string
  ContainerOvnDbsConfigImage:
    description: image
    type: string
  ClusterCommonTag:
    default: false
    description: When set to false, a pacemaker service is configured
                 to use a floating tag for its container image name,
                 e.g. 'REGISTRY/NAMESPACE/IMAGENAME:pcmklatest'. When
                 set to true, the service uses a floating prefix as
                 well, e.g. 'cluster.common.tag/IMAGENAME:pcmklatest'.
    type: boolean
  ClusterFullTag:
    default: false
    description: When set to true, the pacemaker service uses a fully
                 constant tag for its container image name, e.g.
                 'cluster.common.tag/SERVICENAME:pcmklatest'.
    type: boolean
  EndpointMap:
    default: {}
    description: Mapping of service endpoint -> protocol. Typically set
                 via parameter_defaults in the resource registry.
    type: json
  ServiceData:
    default: {}
    description: Dictionary packing service data
    type: json
  ServiceNetMap:
    default: {}
    description: Mapping of service_name -> network name. Typically set
                 via parameter_defaults in the resource registry.  This
                 mapping overrides those in ServiceNetMapDefaults.
    type: json
  RoleName:
    default: ''
    description: Role name on which the service is applied
    type: string
  RoleParameters:
    default: {}
    description: Parameters specific to the role
    type: json
  OVNNorthboundServerPort:
    description: Port of the OVN Northbound DB server
    type: number
    default: 6641
  OVNSouthboundServerPort:
    description: Port of the OVN Southbound DB server
    type: number
    default: 6642
  EnableLoadBalancer:
    default: true
    description: Whether to deploy a LoadBalancer, set to false when an external load balancer is used.
    type: boolean
  ConfigDebug:
    default: false
    description: Whether to run config management (e.g. Puppet) in debug mode.
    type: boolean
  ContainerCli:
    type: string
    default: 'podman'
    description: CLI tool used to manage containers.
    constraints:
      - allowed_values: ['docker', 'podman']
  DeployIdentifier:
    default: ''
    type: string
    description: >
      Setting this to a unique value will re-run any deployment tasks which
      perform configuration on a Heat stack-update.
  EnableInternalTLS:
    type: boolean
    default: false
  InternalTLSCAFile:
    default: '/etc/ipa/ca.crt'
    type: string
    description: Specifies the default CA cert to use if TLS is used for
                 services in the internal network.
  OVNDBSPacemakerTimeout:
    description: timeout for monitor of ovn dbs resource in seconds
    type: number
    default: 60
  OVNDBSReplicationInterval:
    description: Probe interval for ovsdb-server. It configure probe
      interval for connection for ovsdb-server when it is
      in backup mode and connects to the active ovsdb-server for replication
    type: number
    default: 60000
  CertificateKeySize:
    type: string
    default: '2048'
    description: Specifies the private key size used when creating the
                 certificate.
  OvnDBSCertificateKeySize:
    type: string
    default: ''
    description: Override the private key size used when creating the
                 certificate for this service
  OVNDBSPacemakerMonitorIntervalSlave:
    description: monitor interval for ovn dbs resource in seconds
    type: number
    default: 30
  OVNDBSPacemakerMonitorIntervalMaster:
    description: monitor interval for ovn dbs resource in seconds
    type: number
    default: 10

conditions:
  puppet_debug_enabled: {get_param: ConfigDebug}
  docker_enabled: {equals: [{get_param: ContainerCli}, 'docker']}
  internal_tls_enabled: {equals: [{get_param: EnableInternalTLS}, true]}
  common_tag_enabled: {equals: [{get_param: ClusterCommonTag}, true]}
  common_tag_full: {equals: [{get_param: ClusterFullTag}, true]}
  use_external_load_balancer: {equals: [{get_param: EnableLoadBalancer}, false]}
  key_size_override_unset: {equals: [{get_param: OvnDBSCertificateKeySize}, '']}

resources:

  ContainersCommon:
    type: ../containers-common.yaml

  OVNDbsBase:
    type: ./ovn-dbs-container-puppet.yaml
    properties:
      EndpointMap: {get_param: EndpointMap}
      ServiceData: {get_param: ServiceData}
      ServiceNetMap: {get_param: ServiceNetMap}
      RoleName: {get_param: RoleName}
      RoleParameters: {get_param: RoleParameters}
      OVNNorthboundServerPort: {get_param: OVNNorthboundServerPort}
      OVNSouthboundServerPort: {get_param: OVNSouthboundServerPort}

outputs:
  role_data:
    description: Role data for the OVN Dbs HA role.
    value:
      service_name: ovn_dbs
      firewall_rules:
        '121 OVN DB server ports':
          proto: 'tcp'
          dport:
            # Control port for pcmk remote bundle
            - 3125
            - {get_param: OVNNorthboundServerPort}
            - {get_param: OVNSouthboundServerPort}
      config_settings:
        map_merge:
          - get_attr: [OVNDbsBase, role_data, config_settings]
          - tripleo::profile::pacemaker::ovn_dbs_bundle::ovn_dbs_docker_image: &ovn_dbs_image_pcmklatest
              if:
                - common_tag_full
                - "cluster.common.tag/ovn-northd:pcmklatest"
                - yaql:
                    data:
                      if:
                        - common_tag_enabled
                        - yaql:
                            data: {get_param: ContainerOvnDbsImage}
                            expression: concat("cluster.common.tag/", $.data.rightSplit(separator => "/", maxSplits => 1)[1])
                        - {get_param: ContainerOvnDbsImage}
                    expression: concat($.data.rightSplit(separator => ":", maxSplits => 1)[0], ":pcmklatest")
          - tripleo::profile::pacemaker::ovn_dbs_bundle::nb_db_port: {get_param: OVNNorthboundServerPort}
          - tripleo::profile::pacemaker::ovn_dbs_bundle::sb_db_port: {get_param: OVNSouthboundServerPort}
          - tripleo::profile::pacemaker::ovn_dbs_bundle::container_backend: {get_param: ContainerCli}
          - tripleo::profile::pacemaker::ovn_dbs_bundle::dbs_timeout: {get_param: OVNDBSPacemakerTimeout}
          - tripleo::profile::pacemaker::ovn_dbs_bundle::replication_probe_interval: {get_param: OVNDBSReplicationInterval}
          - tripleo::profile::pacemaker::ovn_dbs_bundle::force_ocf: true
          - tripleo::profile::pacemaker::ovn_dbs_bundle::monitor_interval_slave: {get_param: OVNDBSPacemakerMonitorIntervalSlave}
          - tripleo::profile::pacemaker::ovn_dbs_bundle::monitor_interval_master: {get_param: OVNDBSPacemakerMonitorIntervalMaster}
          - tripleo::haproxy::ovn_dbs_manage_lb:
              if:
                - use_external_load_balancer
                - true
                - false
          - tripleo::profile::pacemaker::ovn_dbs_bundle::listen_on_master_ip_only:
              if:
                - use_external_load_balancer
                - 'no'
                - 'yes'
          - if:
            - internal_tls_enabled
            -
              tripleo::profile::pacemaker::ovn_dbs_bundle::ca_file:
                get_param: InternalTLSCAFile
              tripleo::profile::base::neutron::agents::ovn::protocol: 'ssl'
              tripleo::profile::pacemaker::ovn_dbs_bundle::enable_internal_tls: true
            - {}
      service_config_settings: {}
      kolla_config:
        /var/lib/kolla/config_files/ovn_dbs.json:
          command: /usr/sbin/pacemaker_remoted
          config_files:
            - dest: /etc/libqb/force-filesystem-sockets
              source: /dev/null
              owner: root
              perm: '0644'
            - source: "/var/lib/kolla/config_files/src/*"
              dest: "/"
              merge: true
              preserve_properties: true
              optional: true
      container_config_scripts: {get_attr: [ContainersCommon, container_config_scripts]}
      metadata_settings:
        if:
          - internal_tls_enabled
          - - service: ovn_dbs
              network: {get_param: [ServiceNetMap, OvnDbsNetwork]}
              type: vip
            - service: ovn_dbs
              network: {get_param: [ServiceNetMap, OvnDbsNetwork]}
              type: node
          - null
      host_prep_tasks:
        - name: create persistent directories
          file:
            path: "{{ item.path }}"
            state: directory
            setype: "{{ item.setype }}"
            mode: "{{ item.mode|default(omit) }}"
          with_items:
            - { 'path': /var/log/containers/openvswitch, 'setype': container_file_t, 'mode': '0750' }
            - { 'path': /var/lib/openvswitch/ovn, 'setype': container_file_t }
      deploy_steps_tasks:
        - name: OVN DBS tag container image for pacemaker
          when: step|int == 1
          import_role:
            name: tripleo_container_tag
          vars:
            container_image: {get_param: ContainerOvnDbsImage}
            container_image_latest: *ovn_dbs_image_pcmklatest
        - name: OVNDbs HA Wrappers Step
          when: step|int == 3
          block: &ovn_dbs_puppet_bundle
            - name: Ovn dbs puppet bundle
              import_role:
                name: tripleo_ha_wrapper
              vars:
                tripleo_ha_wrapper_service_name: ovn_dbs
                tripleo_ha_wrapper_resource_name: ovndbs_servers
                tripleo_ha_wrapper_bundle_name: ovn-dbs-bundle
                tripleo_ha_wrapper_resource_state: Slave Master
                tripleo_ha_wrapper_puppet_config_volume: ovn_dbs
                tripleo_ha_wrapper_puppet_execute: 'include ::tripleo::profile::base::pacemaker; include ::tripleo::profile::pacemaker::ovn_dbs_bundle'
                tripleo_ha_wrapper_puppet_tags: 'pacemaker::resource::bundle,pacemaker::property,pacemaker::resource::ip,pacemaker::resource::ocf,pacemaker::constraint::order,pacemaker::constraint::colocation'
                tripleo_ha_wrapper_puppet_debug: {get_param: ConfigDebug}
        - name: Certificate generation
          when:
            - step|int == 1
            - enable_internal_tls
          block:
            - include_role:
                name: linux-system-roles.certificate
              vars:
                certificate_requests:
                  - name: ovn_dbs
                    dns:
                      str_replace:
                        template: "{{fqdn_$NETWORK}}"
                        params:
                          $NETWORK: {get_param: [ServiceNetMap, OvnDbsNetwork]}
                    principal:
                      str_replace:
                        template: "ovn_dbs/{{fqdn_$NETWORK}}@{{idm_realm}}"
                        params:
                          $NETWORK: {get_param: [ServiceNetMap, OvnDbsNetwork]}
                    key_size:
                      if:
                        - key_size_override_unset
                        - {get_param: CertificateKeySize}
                        - {get_param: OvnDBSCertificateKeySize}
                    ca: ipa
      update_tasks:
        - name: Tear-down non-HA ovn-dbs containers
          when:
            - step|int == 1
          block: &ovn_dbs_teardown_nonha
            - name: Remove non-HA ovn-dbs containers
              include_role:
                name: tripleo_container_rm
              vars:
                tripleo_container_cli: "{{ container_cli }}"
                tripleo_containers_to_rm:
                  - ovn_north_db_server
                  - ovn_south_db_server
                  - ovn_northd
        # When a schema change happens, the newer slaves don't connect
        # back to the older master and end up timing out.  So we clean
        # up the error here until we get a fix for
        # https://bugzilla.redhat.com/show_bug.cgi?id=1759974
        - name: Clear ovndb cluster pacemaker error
          shell: "pcs resource cleanup ovn-dbs-bundle"
          when:
            - step|int == 1
        # Then we ban the resource for this node.  It has no effect on
        # the first two controllers, but when we reach the last one,
        # it avoids a cut in the control plane as master get chosen in
        # one of the updated Stopped ovn.  They are in error, that why
        # we need the cleanup just before.
        - name: Ban ovndb resource on the current node.
          shell: "pcs resource ban ovn-dbs-bundle $(hostname | cut -d. -f1)"
          when:
            - step|int == 1
        - name: ovn-dbs fetch and retag container image for pacemaker
          when:
            - step|int == 3
          block: &ovn_dbs_fetch_retag_container_tasks
            - name: Pull latest ovn-dbs images
              command: "{{container_cli}} pull {{ovn_dbs_image}}"
              register: result
              retries: 3
              delay: 3
              until: result.rc == 0
            - name: Get previous ovn_dbs image id
              shell: "{{container_cli}} inspect --format '{{'{{'}}.Id{{'}}'}}' {{ovn_dbs_image_latest}}"
              register: old_ovn_dbs_image_id
              failed_when: false
            - name: Get new ovn_dbs image id
              shell: "{{container_cli}} inspect --format '{{'{{'}}.Id{{'}}'}}' {{ovn_dbs_image}}"
              register: new_ovn_dbs_image_id
            - name: Retag pcmklatest to latest ovn_dbs image
              include_role:
                name: tripleo_container_tag
              vars:
                container_image: "{{ovn_dbs_image}}"
                container_image_latest: "{{ovn_dbs_image_latest}}"
              when:
                - old_ovn_dbs_image_id.stdout != new_ovn_dbs_image_id.stdout
          vars:
            ovn_dbs_image: {get_param: ContainerOvnDbsImage}
            ovn_dbs_image_latest: *ovn_dbs_image_pcmklatest
        # We remove any leftover error and remove the ban.
        - name: Ensure the cluster converge back even in case of schema change
          shell: "pcs resource cleanup ovn-dbs-bundle"
          when:
            - step|int == 5
        - name: Remove the ban
          shell: "pcs resource clear ovn-dbs-bundle"
          when:
            - step|int == 5
        # When ovn-dbs-bundle support was added, we didn't tag the ovn-dbs image
        # with pcmklatest. So, when update is run for the first time we need to
        # update the ovn-dbs-bundle resource to use the 'pcmklatest' tagged image.
        # See  https://bugzilla.redhat.com/show_bug.cgi?id=1586132.
        # Step 3 (see above) takes care of tagging the image.
        - name: Update ovn-dbs-bundle resource to use pcmklatest tag image if not used
          when:
            - step|int == 5
            - ovn_dbs_short_bootstrap_node_name|lower == ansible_facts['hostname']|lower
          block:
            - name: Get the present image used by ovn-dbs-bundle
              shell: "pcs resource config ovn-dbs-bundle | grep -Eo 'image=[^ ]+' | awk -F= '{print $2;}'"
              register: ovn_dbs_current_image
            - block:
                - name: Update the ovn-dbs-bundle to use the new container image name
                  command: "pcs resource bundle update ovn-dbs-bundle container image={{ovn_dbs_image_latest}}"
              when:
                - ovn_dbs_current_image.stdout != ovn_dbs_image_latest
          vars:
            ovn_dbs_image_latest: *ovn_dbs_image_pcmklatest

      post_update_tasks:
        - name: Ovn dbs bundle post update
          when: step|int == 1
          block: *ovn_dbs_puppet_bundle
          vars:
            tripleo_ha_wrapper_minor_update: true

      upgrade_tasks:
        - name: Tear-down non-HA ovn-dbs container
          when:
            - step|int == 0
          block: *ovn_dbs_teardown_nonha
        - name: Prepare switch of ovn-dbs image name
          when:
            - step|int == 0
          block:
            - name: Get ovn-dbs image id currently used by pacemaker
              shell: "pcs resource config ovn-dbs-bundle | grep -Eo 'image=[^ ]+' | awk -F= '{print $2;}'"
              register: ovn_dbs_image_current_res
              failed_when: false
            - name: ovn-dbs image facts
              set_fact:
                ovn_dbs_image: {get_param: ContainerOvnDbsImage}
                ovn_dbs_image_latest: *ovn_dbs_image_pcmklatest
                ovn_dbs_image_current: "{{ovn_dbs_image_current_res.stdout}}"
            - name: Temporarily tag the current ovn_dbs image id with the upgraded image name
              import_role:
                name: tripleo_container_tag
              vars:
                container_image: "{{ovn_dbs_image_current}}"
                container_image_latest: "{{ovn_dbs_image_latest}}"
                pull_image: false
              when:
                - ovn_dbs_image_current != ''
                - ovn_dbs_image_current != ovn_dbs_image_latest
            # During an OS Upgrade, the cluster may not exist so we use
            # the shell module instead.
            # TODO(odyssey4me):
            # Fix the pacemaker_resource module to handle the exception
            # for a non-existant cluster more gracefully.
            - name: Check ovn-dbs-bundle cluster resource status
              shell: pcs resource config ovn-dbs-bundle
              failed_when: false
              changed_when: false
              register: ovn_dbs_pcs_result
            - name: Set fact ovn_dbs_pcs_res
              set_fact:
                ovn_dbs_pcs_res: "{{ ovn_dbs_pcs_result.rc == 0 }}"
        - name: Update ovn_dbs pcs resource bundle for new container image
          when:
            - step|int == 1
            - ovn_dbs_short_bootstrap_node_name|lower == ansible_facts['hostname']|lower
            - ovn_dbs_pcs_res|bool
            - ovn_dbs_image_current != ovn_dbs_image_latest
          block:
            - name: Disable the ovn-dbs-bundle cluster resource before container upgrade
              pacemaker_resource:
                resource: ovn-dbs-bundle
                state: disable
                wait_for_resource: true
              register: output
              retries: 5
              until: output.rc == 0
            - name: pcs resource bundle update ovn-dbs for new container image name
              command: "pcs resource bundle update ovn-dbs-bundle container image={{ovn_dbs_image_latest}}"
            - name: Enable the ovn-dbs-bundle cluster resource
              when:
              pacemaker_resource:
                resource: ovn-dbs-bundle
                state: enable
                wait_for_resource: true
              register: output
              retries: 5
              until: output.rc == 0
        - name: Create hiera data to upgrade ovn_dbs in a stepwise manner.
          when:
            - step|int == 1
            - cluster_recreate|bool
          block:
            - name: set ovn_dbs upgrade node facts in a single-node environment
              set_fact:
                ovn_dbs_short_node_names_upgraded: "{{ ovn_dbs_short_node_names }}"
                cacheable: no
              when: groups['ovn_dbs'] | length <= 1
            - name: set ovn_dbs upgrade node facts from the limit option
              set_fact:
                ovn_dbs_short_node_names_upgraded: "{{ ovn_dbs_short_node_names_upgraded|default([]) + [item.split('.')[0]] }}"
                cacheable: no
              when:
                - groups['ovn_dbs'] | length > 1
                - item.split('.')[0] in ansible_limit.split(':')
              loop: "{{ ovn_dbs_short_node_names | default([]) }}"
            - fail:
                msg: >
                  You can't upgrade ovn_dbs without staged
                  upgrade. You need to use the limit option in order
                  to do so.
              when: >-
                ovn_dbs_short_node_names_upgraded is not defined or
                ovn_dbs_short_node_names_upgraded | length == 0
            - debug:
                msg: "Prepare ovn_dbs upgrade for {{ ovn_dbs_short_node_names_upgraded }}"
            - name: remove ovn_dbs init container on upgrade-scaleup to force re-init
              include_role:
                name: tripleo_container_rm
              vars:
                tripleo_containers_to_rm:
                  - ovn_dbs_init_bundle
              when:
                - ovn_dbs_short_node_names_upgraded | length > 1
            - name: add the ovn_dbs short name to hiera data for the upgrade.
              include_role:
                name: tripleo_upgrade_hiera
                tasks_from: set.yml
              vars:
                tripleo_upgrade_key: ovn_dbs_short_node_names_override
                tripleo_upgrade_value: "{{ovn_dbs_short_node_names_upgraded}}"
            - name: remove the extra hiera data needed for the upgrade.
              include_role:
                name: tripleo_upgrade_hiera
                tasks_from: remove.yml
              vars:
                tripleo_upgrade_key: ovn_dbs_short_node_names_override
              when: ovn_dbs_short_node_names_upgraded | length == ovn_dbs_short_node_names | length
        - name: Retag the pacemaker image if containerized
          when:
            - step|int == 3
          block: *ovn_dbs_fetch_retag_container_tasks

      post_upgrade_tasks:
        - name: Restart ovn-dbs service (pacemaker)
          when:
            - step|int == 1
            - ovn_dbs_short_bootstrap_node_name|lower == ansible_facts['hostname']|lower
          pacemaker_resource:
            resource: ovn-dbs-bundle
            state: restart
            wait_for_resource: true