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path: root/docker/services/pacemaker/haproxy.yaml
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heat_template_version: pike

description: >
  OpenStack containerized HAproxy service for pacemaker

parameters:
  DockerHAProxyImage:
    description: image
    type: string
  DockerHAProxyConfigImage:
    description: The container image to use for the haproxy config_volume
    type: string
  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
  EndpointMap:
    default: {}
    description: Mapping of service endpoint -> protocol. Typically set
                 via parameter_defaults in the resource registry.
    type: json
  DeployedSSLCertificatePath:
    default: '/etc/pki/tls/private/overcloud_endpoint.pem'
    description: >
        The filepath of the certificate as it will be stored in the controller.
    type: string
  RoleName:
    default: ''
    description: Role name on which the service is applied
    type: string
  RoleParameters:
    default: {}
    description: Parameters specific to the role
    type: json
  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.
  InternalTLSCRLPEMFile:
    default: '/etc/pki/CA/crl/overcloud-crl.pem'
    type: string
    description: Specifies the default CRL PEM file to use for revocation if
                 TLS is used for services in the internal network.
  HAProxyInternalTLSCertsDirectory:
    default: '/etc/pki/tls/certs/haproxy'
    type: string
  HAProxyInternalTLSKeysDirectory:
    default: '/etc/pki/tls/private/haproxy'
    type: string

resources:

  HAProxyBase:
    type: ../../../puppet/services/pacemaker/haproxy.yaml
    properties:
      EndpointMap: {get_param: EndpointMap}
      ServiceData: {get_param: ServiceData}
      ServiceNetMap: {get_param: ServiceNetMap}
      DefaultPasswords: {get_param: DefaultPasswords}
      RoleName: {get_param: RoleName}
      RoleParameters: {get_param: RoleParameters}

outputs:
  role_data:
    description: Role data for the HAproxy role.
    value:
      service_name: {get_attr: [HAProxyBase, role_data, service_name]}
      config_settings:
        map_merge:
          - get_attr: [HAProxyBase, role_data, config_settings]
          - haproxy_docker: true
            tripleo::profile::pacemaker::haproxy_bundle::haproxy_docker_image: &haproxy_image {get_param: DockerHAProxyImage}
            # the list of directories that contain the certs to bind mount in the countainer
            # bind-mounting the directories rather than all the cert, key and pem files ensures
            # that docker won't create directories on the host when then pem files do not exist
            tripleo::profile::pacemaker::haproxy_bundle::tls_mapping: &tls_mapping
              - get_param: InternalTLSCAFile
              - get_param: HAProxyInternalTLSKeysDirectory
              - get_param: HAProxyInternalTLSCertsDirectory
              - get_param: DeployedSSLCertificatePath
            tripleo::profile::pacemaker::haproxy_bundle::internal_certs_directory: {get_param: HAProxyInternalTLSCertsDirectory}
            tripleo::profile::pacemaker::haproxy_bundle::internal_keys_directory: {get_param: HAProxyInternalTLSKeysDirectory}
            # disable the use CRL file until we can restart the container when the file expires
            tripleo::haproxy::crl_file: null
            tripleo::profile::pacemaker::haproxy_bundle::haproxy_docker_image: &haproxy_image_pcmklatest
              list_join:
                - ':'
                - - yaql:
                      data: {get_param: DockerHAProxyImage}
                      expression: $.data.rightSplit(separator => ":", maxSplits => 1)[0]
                  - 'pcmklatest'
      logging_source: {get_attr: [HAProxyBase, role_data, logging_source]}
      logging_groups: {get_attr: [HAProxyBase, role_data, logging_groups]}
      step_config: ""
      service_config_settings: {get_attr: [HAProxyBase, role_data, service_config_settings]}
      # BEGIN DOCKER SETTINGS
      puppet_config:
        config_volume: haproxy
        puppet_tags: haproxy_config
        step_config:
          list_join:
            - "\n"
            - - "exec {'wait-for-settle': command => '/bin/true' }"
              - "class tripleo::firewall(){}; define tripleo::firewall::rule( $port = undef, $dport = undef, $sport = undef, $proto = undef, $action = undef, $state = undef, $source = undef, $iniface = undef, $chain = undef, $destination = undef, $extras = undef){}"
              - "['pcmk_bundle', 'pcmk_resource', 'pcmk_property', 'pcmk_constraint', 'pcmk_resource_default'].each |String $val| { noop_resource($val) }"
              - 'include ::tripleo::profile::pacemaker::haproxy_bundle'
        config_image: {get_param: DockerHAProxyConfigImage}
        volumes: &deployed_cert_mount
          yaql:
            expression: $.data.select($+":"+$+":ro")
            data: *tls_mapping
      kolla_config:
        /var/lib/kolla/config_files/haproxy.json:
          command: /usr/sbin/haproxy-systemd-wrapper -f /etc/haproxy/haproxy.cfg
          config_files:
            - source: "/var/lib/kolla/config_files/src/*"
              dest: "/"
              merge: true
              preserve_properties: true
              optional: true
            - source: "/var/lib/kolla/config_files/src-tls/*"
              dest: "/"
              merge: true
              optional: true
              preserve_properties: true
          permissions:
            - path:
                list_join:
                - ''
                - - {get_param: HAProxyInternalTLSCertsDirectory}
                  - '/*'
              owner: haproxy:haproxy
              perm: '0600'
              optional: true
            - path:
                list_join:
                - ''
                - - {get_param: HAProxyInternalTLSKeysDirectory}
                  - '/*'
              owner: haproxy:haproxy
              perm: '0600'
              optional: true
      docker_config:
        step_1:
          haproxy_image_tag:
            start_order: 1
            detach: false
            net: host
            user: root
            command:
              - '/bin/bash'
              - '-c'
              - str_replace:
                  template:
                    "/usr/bin/docker tag 'HAPROXY_IMAGE' 'HAPROXY_IMAGE_PCMKLATEST'"
                  params:
                    HAPROXY_IMAGE: {get_param: DockerHAProxyImage}
                    HAPROXY_IMAGE_PCMKLATEST: *haproxy_image_pcmklatest
            image: {get_param: DockerHAProxyImage}
            volumes:
              - /etc/hosts:/etc/hosts:ro
              - /etc/localtime:/etc/localtime:ro
              - /dev/shm:/dev/shm:rw
              - /etc/sysconfig/docker:/etc/sysconfig/docker:ro
              - /usr/bin:/usr/bin:ro
              - /var/run/docker.sock:/var/run/docker.sock:rw
            image: {get_param: DockerHAProxyImage}
        step_2:
          haproxy_init_bundle:
            start_order: 3
            detach: false
            net: host
            user: root
            privileged: true
            command:
              - '/bin/bash'
              - '-c'
              - str_replace:
                  template:
                    list_join:
                      - '; '
                      - - "cp -a /tmp/puppet-etc/* /etc/puppet; echo '{\"step\": 2}' > /etc/puppet/hieradata/docker.json"
                        - "FACTER_uuid=docker puppet apply --tags file,file_line,concat,augeas,TAGS -v -e 'CONFIG'"
                  params:
                    TAGS: 'tripleo::firewall::rule,pacemaker::resource::bundle,pacemaker::property,pacemaker::resource::ip,pacemaker::resource::ocf,pacemaker::constraint::order,pacemaker::constraint::colocation'
                    CONFIG:
                      list_join:
                        - ';'
                        - - 'include ::tripleo::profile::base::pacemaker'
                          - 'include ::tripleo::profile::pacemaker::haproxy_bundle'
            image: {get_param: DockerHAProxyImage}
            volumes:
              list_concat:
                - *deployed_cert_mount
                -
                  # puppet saves iptables rules in /etc/sysconfig
                  - /etc/sysconfig:/etc/sysconfig:rw
                  # saving rules require accessing /usr/libexec/iptables/iptables.init, just bind-mount
                  # the necessary bit and prevent systemd to try to reload the service in the container
                  - /usr/libexec/iptables:/usr/libexec/iptables:ro
                  - /usr/libexec/initscripts/legacy-actions:/usr/libexec/initscripts/legacy-actions:ro
                  - /etc/hosts:/etc/hosts:ro
                  - /etc/localtime:/etc/localtime:ro
                  - /etc/puppet:/tmp/puppet-etc:ro
                  - /usr/share/openstack-puppet/modules:/usr/share/openstack-puppet/modules:ro
                  - /etc/corosync/corosync.conf:/etc/corosync/corosync.conf:ro
                  - /dev/shm:/dev/shm:rw
      metadata_settings:
        get_attr: [HAProxyBase, role_data, metadata_settings]
      upgrade_tasks:
        - name: get bootstrap nodeid
          tags: common
          command: hiera -c /etc/puppet/hiera.yaml bootstrap_nodeid
          register: bootstrap_node
        - name: set is_bootstrap_node fact
          tags: common
          set_fact: is_bootstrap_node={{bootstrap_node.stdout|lower == ansible_hostname|lower}}
        - name: Check cluster resource status
          tags: step2
          pacemaker_resource:
            resource: {get_attr: [HAProxyBase, role_data, service_name]}
            state: started
            check_mode: true
          ignore_errors: true
          register: haproxy_res
        - name: Disable the haproxy cluster resource.
          tags: step2
          pacemaker_resource:
            resource: {get_attr: [HAProxyBase, role_data, service_name]}
            state: disable
            wait_for_resource: true
          register: output
          retries: 5
          until: output.rc == 0
          when: is_bootstrap_node and haproxy_res|succeeded
        - name: Delete the stopped haproxy cluster resource.
          tags: step2
          pacemaker_resource:
            resource: {get_attr: [HAProxyBase, role_data, service_name]}
            state: delete
            wait_for_resource: true
          register: output
          retries: 5
          until: output.rc == 0
          when: is_bootstrap_node and haproxy_res|succeeded
      update_tasks:
        - name: Get docker Haproxy image
          set_fact:
            docker_image: {get_param: DockerHAProxyImage}
            docker_image_latest: *haproxy_image_pcmklatest
          when: step == '2'
        - name: Get previous Haproxy image id
          shell: "docker images | awk '/haproxy.* pcmklatest/{print $3}'"
          register: haproxy_image_id
        - block:
            - name: Get a list of container using Haproxy image
              shell: "docker ps -q -f 'ancestor={{haproxy_image_id.stdout}}'"
              register: haproxy_containers_to_destroy
            # It will be recreated with the delpoy step.
            - name: Remove any container using the same Haproxy image
              shell: "docker rm -fv {{item}}"
              with_items: "{{ haproxy_containers_to_destroy.stdout_lines }}"
            - name: Remove previous Haproxy images
              shell: "docker rmi -f {{haproxy_image_id.stdout}}"
          when:
            - step == '2'
            - haproxy_image_id.stdout != ''
        - name: Pull latest Haproxy images
          command: "docker pull {{docker_image}}"
          when: step == "2"
        - name: Retag pcmklatest to latest Haproxy image
          shell: "docker tag {{docker_image}} {{docker_image_latest}}"
          when: step == "2"
        # Got to check that pacemaker_is_active is working fine with bundle.
        # TODO: pacemaker_is_active resource doesn't support bundle.