heat_template_version: queens

description: >
  OpenStack containerized Nova API service

parameters:
  DockerNovaApiImage:
    description: image
    type: string
  DockerNovaConfigImage:
    description: The container image to use for the nova config_volume
    type: string
  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
  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
  EnableInternalTLS:
    type: boolean
    default: false
  NovaDbSyncTimeout:
    default: 300
    description: Timeout for Nova db sync
    type: number
  UpgradeRemoveUnusedPackages:
    default: false
    description: Remove package if the service is being disabled during upgrade
    type: boolean
  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.
  NovaPassword:
    description: The password for the nova service and db account
    type: string
    hidden: true

conditions:

  internal_tls_enabled: {equals: [{get_param: EnableInternalTLS}, true]}

resources:

  ContainersCommon:
    type: ./containers-common.yaml

  MySQLClient:
    type: ../../puppet/services/database/mysql-client.yaml

  NovaApiBase:
    type: ../../puppet/services/nova-api.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}

  NovaApiLogging:
    type: OS::TripleO::Services::Logging::NovaApi

outputs:
  role_data:
    description: Role data for the Nova API role.
    value:
      service_name: {get_attr: [NovaApiBase, role_data, service_name]}
      config_settings:
        map_merge:
          - get_attr: [NovaApiBase, role_data, config_settings]
          - get_attr: [NovaApiLogging, config_settings]
          - apache::default_vhost: false
      logging_source: {get_attr: [NovaApiBase, role_data, logging_source]}
      logging_groups: {get_attr: [NovaApiBase, role_data, logging_groups]}
      service_config_settings: {get_attr: [NovaApiBase, role_data, service_config_settings]}
      # BEGIN DOCKER SETTINGS
      puppet_config:
        config_volume: nova
        puppet_tags: nova_config
        step_config:
          list_join:
            - "\n"
            - - "['Nova_cell_v2'].each |String $val| { noop_resource($val) }"
              - {get_attr: [NovaApiBase, role_data, step_config]}
              - {get_attr: [MySQLClient, role_data, step_config]}
        config_image: {get_param: DockerNovaConfigImage}
      kolla_config:
        /var/lib/kolla/config_files/nova_api.json:
          command: /usr/sbin/httpd -DFOREGROUND
          config_files:
            - source: "/var/lib/kolla/config_files/src/*"
              dest: "/"
              merge: true
              preserve_properties: true
          permissions:
            - path: /var/log/nova
              owner: nova:nova
              recurse: true
        /var/lib/kolla/config_files/nova_api_cron.json:
          command: /usr/sbin/crond -n
          config_files:
            - source: "/var/lib/kolla/config_files/src/*"
              dest: "/"
              merge: true
              preserve_properties: true
          permissions:
            - path: /var/log/nova
              owner: nova:nova
              recurse: true
      docker_config_scripts:
        nova_api_discover_hosts.sh:
          mode: "0700"
          content: |
            #!/bin/bash
            export OS_PROJECT_DOMAIN_NAME=$(crudini --get /etc/nova/nova.conf keystone_authtoken project_domain_name)
            export OS_USER_DOMAIN_NAME=$(crudini --get /etc/nova/nova.conf keystone_authtoken user_domain_name)
            export OS_PROJECT_NAME=$(crudini --get /etc/nova/nova.conf keystone_authtoken project_name)
            export OS_USERNAME=$(crudini --get /etc/nova/nova.conf keystone_authtoken username)
            export OS_PASSWORD=$(crudini --get /etc/nova/nova.conf keystone_authtoken password)
            export OS_AUTH_URL=$(crudini --get /etc/nova/nova.conf keystone_authtoken auth_url)
            export OS_AUTH_TYPE=password
            export OS_IDENTITY_API_VERSION=3

            echo "(cellv2) Running cell_v2 host discovery"
            timeout=600
            loop_wait=30
            declare -A discoverable_hosts
            for host in $(hiera -c /etc/puppet/hiera.yaml cellv2_discovery_hosts | sed -e '/^nil$/d' |  tr "," " "); do discoverable_hosts[$host]=1; done
            timeout_at=$(( $(date +"%s") + ${timeout} ))
            echo "(cellv2) Waiting ${timeout} seconds for hosts to register"
            finished=0
            while : ; do
              for host in $(openstack -q compute service list -c 'Host' -c 'Zone' -f value | awk '$2 != "internal" { print $1 }'); do
                if (( discoverable_hosts[$host] == 1 )); then
                  echo "(cellv2) compute node $host has registered"
                  unset discoverable_hosts[$host]
                fi
              done
              finished=1
              for host in "${!discoverable_hosts[@]}"; do
                if (( ${discoverable_hosts[$host]} == 1 )); then
                  echo "(cellv2) compute node $host has not registered"
                  finished=0
                fi
              done
              remaining=$(( $timeout_at - $(date +"%s") ))
              if (( $finished == 1 )); then
                echo "(cellv2) All nodes registered"
                break
              elif (( $remaining <= 0 )); then
                echo "(cellv2) WARNING: timeout waiting for nodes to register, running host discovery regardless"
                echo "(cellv2) Expected host list:" $(hiera -c /etc/puppet/hiera.yaml cellv2_discovery_hosts | sed -e '/^nil$/d' | sort -u |  tr ',' ' ')
                echo "(cellv2) Detected host list:" $(openstack -q compute service list -c 'Host' -c 'Zone' -f value | awk '$2 != "internal" { print $1 }' | sort -u | tr '\n', ' ')
                break
              else
                echo "(cellv2) Waiting ${remaining} seconds for hosts to register"
                sleep $loop_wait
              fi
            done
            echo "(cellv2) Running host discovery..."
            su nova -s /bin/bash -c "/usr/bin/nova-manage cell_v2 discover_hosts --verbose"
        nova_api_ensure_default_cell.sh:
          mode: "0700"
          content: |
            #!/bin/bash
            DEFID=$(nova-manage cell_v2 list_cells | sed -e '1,3d' -e '$d' | awk -F ' *| *' '$2 == "default" {print $4}')
            if [ "$DEFID" ]; then
              echo "(cellv2) Updating default cell_v2 cell $DEFID"
              su nova -s /bin/bash -c "/usr/bin/nova-manage cell_v2 update_cell --cell_uuid $DEFID --name=default"
            else
              echo "(cellv2) Creating default cell_v2 cell"
              su nova -s /bin/bash -c "/usr/bin/nova-manage cell_v2 create_cell --name=default"
            fi
      docker_config:
        step_2:
          get_attr: [NovaApiLogging, docker_config, step_2]
        step_3:
          nova_api_db_sync:
            start_order: 0
            image: &nova_api_image {get_param: DockerNovaApiImage}
            net: host
            detach: false
            user: root
            volumes: &nova_api_bootstrap_volumes
              list_concat:
                - {get_attr: [ContainersCommon, volumes]}
                - {get_attr: [NovaApiLogging, volumes]}
                -
                  - /var/lib/config-data/nova/etc/my.cnf.d/tripleo.cnf:/etc/my.cnf.d/tripleo.cnf:ro
                  - /var/lib/config-data/nova/etc/nova/:/etc/nova/:ro
            command: "/usr/bin/bootstrap_host_exec nova_api su nova -s /bin/bash -c '/usr/bin/nova-manage api_db sync'"
          nova_api_map_cell0:
            start_order: 1
            image: *nova_api_image
            net: host
            detach: false
            user: root
            volumes: *nova_api_bootstrap_volumes
            command: "/usr/bin/bootstrap_host_exec nova_api su nova -s /bin/bash -c '/usr/bin/nova-manage cell_v2 map_cell0'"
          nova_api_ensure_default_cell:
            start_order: 2
            image: *nova_api_image
            net: host
            detach: false
            volumes:
              list_concat:
                - *nova_api_bootstrap_volumes
                -
                  - /var/lib/config-data/nova/etc/my.cnf.d/tripleo.cnf:/etc/my.cnf.d/tripleo.cnf:ro
                  - /var/lib/config-data/nova/etc/nova/:/etc/nova/:ro
                  - /var/log/containers/nova:/var/log/nova
                  - /var/lib/docker-config-scripts/nova_api_ensure_default_cell.sh:/nova_api_ensure_default_cell.sh:ro
            user: root
            command: "/usr/bin/bootstrap_host_exec nova_api /nova_api_ensure_default_cell.sh"
          nova_db_sync:
            start_order: 3
            image: *nova_api_image
            net: host
            detach: false
            volumes: *nova_api_bootstrap_volumes
            user: root
            command: "/usr/bin/bootstrap_host_exec nova_api su nova -s /bin/bash -c '/usr/bin/nova-manage db sync'"
        step_4:
          nova_api:
            start_order: 2
            image: *nova_api_image
            net: host
            user: root
            privileged: true
            restart: always
            healthcheck:
              test: /openstack/healthcheck
            volumes:
              list_concat:
                - {get_attr: [ContainersCommon, volumes]}
                - {get_attr: [NovaApiLogging, volumes]}
                -
                  - /var/lib/kolla/config_files/nova_api.json:/var/lib/kolla/config_files/config.json:ro
                  - /var/lib/config-data/puppet-generated/nova/:/var/lib/kolla/config_files/src:ro
                  -
                    if:
                      - internal_tls_enabled
                      - /etc/pki/tls/certs/httpd:/etc/pki/tls/certs/httpd:ro
                      - ''
                  -
                    if:
                      - internal_tls_enabled
                      - /etc/pki/tls/private/httpd:/etc/pki/tls/private/httpd:ro
                      - ''
            environment:
              - KOLLA_CONFIG_STRATEGY=COPY_ALWAYS
          nova_api_cron:
            image: *nova_api_image
            net: host
            user: root
            privileged: false
            restart: always
            volumes:
              list_concat:
                - {get_attr: [ContainersCommon, volumes]}
                - {get_attr: [NovaApiLogging, volumes]}
                -
                  - /var/lib/kolla/config_files/nova_api_cron.json:/var/lib/kolla/config_files/config.json:ro
                  - /var/lib/config-data/puppet-generated/nova/:/var/lib/kolla/config_files/src:ro
            environment:
              - KOLLA_CONFIG_STRATEGY=COPY_ALWAYS
        step_5:
          nova_api_discover_hosts:
            start_order: 1
            image: *nova_api_image
            net: host
            detach: false
            volumes:
              list_concat:
                - *nova_api_bootstrap_volumes
                -
                  - /var/lib/config-data/nova/etc/my.cnf.d/tripleo.cnf:/etc/my.cnf.d/tripleo.cnf:ro
                  - /var/lib/config-data/nova/etc/nova/:/etc/nova/:ro
                  - /var/log/containers/nova:/var/log/nova
                  - /var/lib/docker-config-scripts/nova_api_discover_hosts.sh:/nova_api_discover_hosts.sh:ro
            user: root
            command: "/usr/bin/bootstrap_host_exec nova_api /nova_api_discover_hosts.sh"
            environment:
              # NOTE: this should force this container to re-run on each
              # update (scale-out, etc.)
              - list_join:
                  - ''
                  - - 'TRIPLEO_DEPLOY_IDENTIFIER='
                    - {get_param: DeployIdentifier}
      metadata_settings:
        get_attr: [NovaApiBase, role_data, metadata_settings]
      host_prep_tasks: {get_attr: [NovaApiLogging, host_prep_tasks]}
      upgrade_tasks:
        - name: Check if nova_api is deployed
          command: systemctl is-enabled --quiet openstack-nova-api
          tags: common
          ignore_errors: True
          register: nova_api_enabled
        - name: Check for nova-api running under apache
          tags: common
          shell: httpd -t -D DUMP_VHOSTS | grep -q 'nova'
          ignore_errors: True
          register: httpd_enabled
        - name: "PreUpgrade step0,validation: Check service openstack-nova-api is running"
          command: systemctl is-active --quiet openstack-nova-api
          tags: validation
          when:
            - step|int == 0
            - nova_api_enabled.rc == 0
            - httpd_enabled.rc != 0
        - name: Stop and disable nova_api service
          when:
            - step|int == 2
            - nova_api_enabled.rc == 0
            - httpd_enabled.rc != 0
          service: name=openstack-nova-api state=stopped enabled=no
        - name: Check if httpd service is running
          command: systemctl is-active --quiet httpd
          tags: common
          ignore_errors: True
          register: httpd_running
        - name: "PreUpgrade step0,validation: Check if nova_wsgi is running"
          tags: validation
          shell: systemctl status 'httpd' | grep -q 'nova'
          when:
            - step|int == 0
            - httpd_enabled.rc == 0
            - httpd_running.rc == 0
        - name: Stop nova_api service (running under httpd)
          when:
            - step|int == 2
            - httpd_enabled.rc == 0
            - httpd_running.rc == 0
          service: name=httpd state=stopped
        - name: Set fact for removal of openstack-nova-api package
          when: step|int == 2
          set_fact:
            remove_nova_api_package: {get_param: UpgradeRemoveUnusedPackages}
        - name: Remove openstack-nova-api package if operator requests it
          yum: name=openstack-nova-api state=removed
          ignore_errors: True
          when:
            - step|int == 2
            - remove_nova_api_package|bool
        - name: remove old nova cron jobs
          when: step|int == 2
          file:
            path: /var/spool/cron/nova
            state: absent
      fast_forward_upgrade_tasks:
        - name: Check if nova-api is deployed
          command: systemctl is-enabled --quiet openstack-nova-api
          ignore_errors: True
          register: nova_api_enabled_result
          when:
            - step|int == 0
            - release == 'ocata'
        - name: Set fact nova_api_enabled
          set_fact:
            nova_api_enabled: "{{ nova_api_enabled_result.rc == 0 }}"
          when:
            - step|int == 0
            - release == 'ocata'
        - name: Stop openstack-nova-api service
          service: name=openstack-nova-api state=stopped
          when:
            - step|int == 1
            - nova_api_enabled|bool
            - release == 'ocata'
        - name: Extra migration for nova tripleo/+bug/1656791
          command: nova-manage db online_data_migrations
          when:
            - step|int == 5
            - release == 'ocata'
            - is_bootstrap_node|bool
        - name: Update nova packages
          command: yum update -y *nova*
          when:
            - step|int == 6
            - is_bootstrap_node|bool
        #FIXME(lyarwood): Use puppet to do this?
        - when:
            - step|int == 7
            - release == 'ocata'
            - is_bootstrap_node|bool
          block:
            - name: Create cell0 db
              mysql_db:
                name: nova_cell0
                state: present

            - name: Grant access to cell0 db
              mysql_user:
                name: nova
                host_all: yes
                state: present
                priv: '*.*:ALL'

            - name: Create puppet manifest to set transport_url in nova.conf
              copy:
                dest: /root/nova-api_upgrade_manifest.pp
                mode: 0600
                content: >
                  $transport_url = os_transport_url({
                    'transport' => hiera('messaging_service_name', 'rabbit'),
                    'hosts'     => any2array(hiera('rabbitmq_node_names', undef)),
                    'port'      => sprintf('%s',hiera('nova::rabbit_port', '5672') ),
                    'username'  => hiera('nova::rabbit_userid', 'guest'),
                    'password'  => hiera('nova::rabbit_password'),
                    'ssl'       => sprintf('%s', bool2num(str2bool(hiera('nova::rabbit_use_ssl', '0'))))
                  })
                  oslo::messaging::default { 'nova_config':
                    transport_url => $transport_url
                  }

            - name: Run puppet apply to set tranport_url in nova.conf
              command: puppet apply --modulepath /etc/puppet/modules:/opt/stack/puppet-modules:/usr/share/openstack-puppet/modules --detailed-exitcodes /root/nova-api_upgrade_manifest.pp
              register: puppet_apply_nova_api_upgrade
              failed_when: puppet_apply_nova_api_upgrade.rc not in [0,2]
              changed_when: puppet_apply_nova_api_upgrade.rc == 2
            - name: Setup cell_v2 (map cell0)
              shell:
                str_replace:
                  template: nova-manage cell_v2 map_cell0 --database_connection=CELL
                  params:
                    CELL:
                      make_url:
                        scheme: {get_param: [EndpointMap, MysqlInternal, protocol]}
                        username: nova
                        password: {get_param: NovaPassword}
                        host: {get_param: [EndpointMap, MysqlInternal, host]}
                        path: /nova_cell0
            - name: Setup cell_v2 (create default cell)
              # (owalsh) puppet-nova expects the cell name 'default'
              # (owalsh) pass the db uri explicitly to avoid https://bugs.launchpad.net/tripleo/+bug/1662344
              shell: nova-manage cell_v2 create_cell --name='default' --database_connection=$(hiera nova::database_connection)
              register: nova_api_create_cell
              failed_when: nova_api_create_cell.rc not in [0,2]
              changed_when: nova_api_create_cell.rc == 0
            - name: Setup cell_v2 (sync nova/cell DB)
              command: nova-manage db sync
              async: {get_param: NovaDbSyncTimeout}
              poll: 10
            - name: Setup cell_v2 (get cell uuid)
              shell: nova-manage cell_v2 list_cells | sed -e '1,3d' -e '$d' | awk -F ' *| *' '$2 == "default" {print $4}'
              register: nova_api_cell_uuid
            - name: Setup cell_v2 (migrate hosts)
              command: nova-manage cell_v2 discover_hosts --cell_uuid {{nova_api_cell_uuid.stdout}} --verbose
            - name: Setup cell_v2 (migrate instances)
              command: nova-manage cell_v2 map_instances --cell_uuid {{nova_api_cell_uuid.stdout}}
        - name: Sync nova_api DB
          command: nova-manage api_db sync
          when:
            - step|int == 8
            - is_bootstrap_node|bool
        - name: Online data migration for nova
          command: nova-manage db online_data_migrations
          when:
            - step|int == 8
            - is_bootstrap_node|bool