tripleo-heat-templates/puppet/services/pacemaker.yaml

heat_template_version: queens

description: >
  Pacemaker service configured with Puppet  

parameters:
  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
  DefaultPasswords:
    default: {}
    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
  EndpointMap:
    default: {}
    description: Mapping of service endpoint -> protocol. Typically set
                 via parameter_defaults in the resource registry.
    type: json
  MonitoringSubscriptionPacemaker:
    default: 'overcloud-pacemaker'
    type: string
  CorosyncIPv6:
    default: false
    description: Enable IPv6 in Corosync
    type: boolean
  EnableFencing:
    default: false
    description: Whether to enable fencing in Pacemaker or not.
    type: boolean
  PacemakerRemoteAuthkey:
    type: string
    description: The authkey for the pacemaker remote service.
    hidden: true
  PcsdPassword:
    type: string
    description: The password for the 'pcsd' user for pacemaker.
    hidden: true
  CorosyncSettleTries:
    type: number
    description: Number of tries for cluster settling. This has the
                 same default as the pacemaker puppet module. Override
                 to a smaller value when in need to replace a controller node.
    default: 360
  FencingConfig:
    default: {}
    description: |
      Pacemaker fencing configuration. The JSON should have
      the following structure:
        {
          "devices": [
            {
              "agent": "AGENT_NAME",
              "host_mac": "HOST_MAC_ADDRESS",
              "params": {"PARAM_NAME": "PARAM_VALUE"}
            }
          ]
        }
      For instance:
        {
          "devices": [
            {
              "agent": "fence_xvm",
              "host_mac": "52:54:00:aa:bb:cc",
              "params": {
                "multicast_address": "225.0.0.12",
                "port": "baremetal_0",
                "manage_fw": true,
                "manage_key_file": true,
                "key_file": "/etc/fence_xvm.key",
                "key_file_password": "abcdef"
              }
            }
          ]
        }      
    type: json
  PacemakerLoggingSource:
    type: json
    default:
      tag: system.pacemaker
      path: /var/log/pacemaker.log,/var/log/cluster/corosync.log
      format: >-
        /^(?<time>[^ ]*\s*[^ ]* [^ ]*)
        \[(?<pid>[^ ]*)\]
        (?<host>[^ ]*)
        (?<message>.*)$/        
  EnableLoadBalancer:
    default: true
    description: Whether to deploy a LoadBalancer on the Controller
    type: boolean

outputs:
  role_data:
    description: Role data for the Pacemaker role.
    value:
      service_name: pacemaker
      monitoring_subscription: {get_param: MonitoringSubscriptionPacemaker}
      config_settings:
        pacemaker::corosync::cluster_name: 'tripleo_cluster'
        pacemaker::corosync::manage_fw: false
        pacemaker::resource_defaults::defaults:
          resource-stickiness: { value: INFINITY }
        corosync_token_timeout: 10000
        pacemaker::corosync::settle_tries: {get_param: CorosyncSettleTries}
        pacemaker::resource::bundle::deep_compare: true
        pacemaker::resource::ip::deep_compare: true
        pacemaker::resource::ocf::deep_compare: true
        tripleo.pacemaker.firewall_rules:
          '130 pacemaker tcp':
            proto: 'tcp'
            dport:
              - 2224
              - 3121
              - 21064
          '131 pacemaker udp':
            proto: 'udp'
            dport: 5405
        corosync_ipv6: {get_param: CorosyncIPv6}
        tripleo::fencing::config: {get_param: FencingConfig}
        enable_fencing: {get_param: EnableFencing}
        hacluster_pwd:
          yaql:
            expression: $.data.passwords.where($ != '').first()
            data:
              passwords:
                - {get_param: PcsdPassword}
                - {get_param: [DefaultPasswords, pcsd_password]}
        tripleo::profile::base::pacemaker::remote_authkey: {get_param: PacemakerRemoteAuthkey}
      service_config_settings:
        fluentd:
          tripleo_fluentd_groups_pacemaker:
            - haclient
          tripleo_fluentd_sources_pacemaker:
            - {get_param: PacemakerLoggingSource}
      step_config: |
        include ::tripleo::profile::base::pacemaker        
      upgrade_tasks:
        - name: Check pacemaker cluster running before upgrade
          when: step|int == 0
          tags: validation
          pacemaker_cluster: state=online check_and_fail=true
          async: 30
          poll: 4
        - name: Stop pacemaker cluster
          when: step|int == 2
          pacemaker_cluster: state=offline
        - name: Start pacemaker cluster
          when: step|int == 4
          pacemaker_cluster: state=online
      update_tasks:
        - name: Check pacemaker cluster running before the minor update
          when: step|int == 0  # TODO(marios) disabling validations?
          pacemaker_cluster: state=online check_and_fail=true
          async: 30
          poll: 4
        - name: Move virtual IPs to another node before stopping pacemaker
          when: step|int == 1
          shell: |
            CLUSTER_NODE=$(crm_node -n)
            echo "Retrieving all the VIPs which are hosted on this node"
            VIPS_TO_MOVE=$(crm_mon --as-xml | xmllint --xpath '//resource[@resource_agent = "ocf::heartbeat:IPaddr2" and @role = "Started" and @managed = "true" and ./node[@name = "'${CLUSTER_NODE}'"]]/@id' - | sed -e 's/id=//g' -e 's/"//g')
            for v in ${VIPS_TO_MOVE}; do
                echo "Moving VIP $v on another node"
                pcs resource move $v --wait=300
            done
            echo "Removing the location constraints that were created to move the VIPs"
            for v in ${VIPS_TO_MOVE}; do
                echo "Removing location ban for VIP $v"
                ban_id=$(cibadmin --query | xmllint --xpath 'string(//rsc_location[@rsc="'${v}'" and @node="'${CLUSTER_NODE}'" and @score="-INFINITY"]/@id)' -)
                if [ -n "$ban_id" ]; then
                    pcs constraint remove ${ban_id}
                else
                    echo "Could not retrieve and clear location constraint for VIP $v" 2>&1
                fi
            done            
        - name: Stop pacemaker cluster
          when: step|int == 1
          pacemaker_cluster: state=offline
        - name: Start pacemaker cluster
          when: step|int == 4
          pacemaker_cluster: state=online