heat_template_version: wallaby

description: >
  Utility stack to convert an array of services into a set of combined
  role configs.

parameters:
  Services:
    default: []
    description: |
        List nested stack service templates.
    type: comma_delimited_list
  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. Use
                 parameter_merge_strategies to merge it with the defaults.
    type: json
  EndpointMap:
    default: {}
    description: Mapping of service endpoint -> protocol. Typically set
                 via parameter_defaults in the resource registry.
    type: json
  RoleName:
    default: ''
    description: Role name on which the service is applied
    type: string
  RoleParameters:
    description: Parameters specific to the role
    default: {}
    type: json

resources:

  ServiceChain:
    type: OS::Heat::ResourceChain
    properties:
      resources: {get_param: Services}
      concurrent: true
      resource_properties:
        ServiceData: {get_param: ServiceData}
        ServiceNetMap: {get_param: ServiceNetMap}
        EndpointMap: {get_param: EndpointMap}
        RoleName: {get_param: RoleName}
        RoleParameters: {get_param: RoleParameters}

  ServiceServerMetadataHook:
    type: OS::TripleO::{{role.name}}ServiceServerMetadataHook
    properties:
      RoleData: {get_attr: [ServiceChain, role_data]}

  PuppetStepConfig:
    type: OS::Heat::Value
    properties:
      type: string
      value:
        yaql:
          expression:
            # select 'step_config' only from services that do not have a docker_config
            coalesce($.data.service_names, []).zip(coalesce($.data.step_config, []), coalesce($.data.docker_config, [])).where($[2] = null).where($[1] != null).select($[1]).join("\n")
          data:
            service_names: {get_attr: [ServiceChain, role_data, service_name]}
            step_config: {get_attr: [ServiceChain, role_data, step_config]}
            docker_config: {get_attr: [ServiceChain, role_data, docker_config]}

  DockerConfig:
    type: OS::Heat::Value
    properties:
      type: json
      value:
        yaql:
          expression:
            # select 'docker_config' only from services that have it
            coalesce($.data.service_names, []).zip(coalesce($.data.docker_config, [])).where($[1] != null).select($[1]).reduce($1.mergeWith($2), {})
          data:
            service_names: {get_attr: [ServiceChain, role_data, service_names]}
            docker_config: {get_attr: [ServiceChain, role_data, docker_config]}

  DockerConfigScripts:
    type: OS::Heat::Value
    properties:
      type: json
      value:
        yaql:
          expression:
            # select 'container_config_scripts' only from services that have it
            coalesce($.data.service_names, []).zip(coalesce($.data.container_config_scripts, [])).where($[1] != null).select($[1]).reduce($1.mergeWith($2), {})
          data:
            service_names: {get_attr: [ServiceChain, role_data, service_names]}
            container_config_scripts: {get_attr: [ServiceChain, role_data, container_config_scripts]}

  MonitoringSubscriptionsConfig:
    type: OS::Heat::Value
    properties:
      type: comma_delimited_list
      value:
        yaql:
          expression: list(coalesce($.data.role_data, []).where($ != null).select($.get('monitoring_subscription')).where($ != null)).flatten()
          data: {role_data: {get_attr: [ServiceChain, role_data]}}

  ServiceNames:
    type: OS::Heat::Value
    properties:
      type: comma_delimited_list
      value:
        filter:
          - [null]
          - {get_attr: [ServiceChain, role_data, service_name]}

  GlobalConfigSettings:
    type: OS::Heat::Value
    properties:
      type: json
      value:
        map_merge:
          yaql:
            expression: list(coalesce($.data.role_data, []).where($ != null).select($.get('global_config_settings')).where($ != null)).flatten()
            data: {role_data: {get_attr: [ServiceChain, role_data]}}

  KeystoneResourcesConfigs:
    type: OS::Heat::Value
    properties:
      type: json
      value:
        map_merge:
          yaql:
            expression: list(coalesce($.data.role_data, []).where($ != null).select($.get('keystone_resources')).where($ != null)).flatten()
            data: {role_data: {get_attr: [ServiceChain, role_data]}}

  CoreServices:
    type: OS::Heat::Value
    properties:
      type: json
      value:
        map_merge:
          yaql:
            expression: list(coalesce($.data.role_data, []).where($ != null).select($.get('core_services')).where($ != null)).flatten()
            data: {role_data: {get_attr: [ServiceChain, role_data]}}

  ServiceConfigSettings:
    type: OS::Heat::Value
    properties:
      type: json
      value:
        yaql:
          expression: coalesce($.data.role_data, []).where($ != null).select($.get('service_config_settings')).where($ != null).reduce($1.mergeWith($2), {})
          data: {role_data: {get_attr: [ServiceChain, role_data]}}

  DeployStepsTasks:
    type: OS::Heat::Value
    properties:
      type: comma_delimited_list
      value:
        yaql:
          # Note we use distinct() here to filter any identical tasks, e.g yum update for all services
          expression: coalesce($.data, []).where($ != null).select($.get('deploy_steps_tasks')).where($ != null).flatten().distinct()
          data: {get_attr: [ServiceChain, role_data]}

  ExternalDeployTasks:
    type: OS::Heat::Value
    properties:
      type: comma_delimited_list
      value:
        yaql:
          # Note we use distinct() here to filter any identical tasks, e.g yum update for all services
          expression: coalesce($.data, []).where($ != null).select($.get('external_deploy_tasks')).where($ != null).flatten().distinct()
          data: {get_attr: [ServiceChain, role_data]}

  ExternalPostDeployTasks:
    type: OS::Heat::Value
    properties:
      type: comma_delimited_list
      value:
        yaql:
          # Note we use distinct() here to filter any identical tasks, e.g yum update for all services
          expression: coalesce($.data, []).where($ != null).select($.get('external_post_deploy_tasks')).where($ != null).flatten().distinct()
          data: {get_attr: [ServiceChain, role_data]}

  ScaleTasks:
    type: OS::Heat::Value
    properties:
      type: comma_delimited_list
      value:
        yaql:
          # Note we use distinct() here to filter any identical tasks, e.g yum update for all services
          expression: coalesce($.data, []).where($ != null).select($.get('scale_tasks')).where($ != null).flatten().distinct()
          data: {get_attr: [ServiceChain, role_data]}

  ExternalUpdateTasks:
    type: OS::Heat::Value
    properties:
      type: comma_delimited_list
      value:
        yaql:
          # Note we use distinct() here to filter any identical tasks, e.g yum update for all services
          expression: coalesce($.data, []).where($ != null).select($.get('external_update_tasks')).where($ != null).flatten().distinct()
          data: {get_attr: [ServiceChain, role_data]}

  ExternalUpgradeTasks:
    type: OS::Heat::Value
    properties:
      type: comma_delimited_list
      value:
        yaql:
          # Note we use distinct() here to filter any identical tasks, e.g yum update for all services
          expression: coalesce($.data, []).where($ != null).select($.get('external_upgrade_tasks')).where($ != null).flatten().distinct()
          data: {get_attr: [ServiceChain, role_data]}

  PreUpgradeRollingTasks:
    type: OS::Heat::Value
    properties:
      type: comma_delimited_list
      value:
        yaql:
          expression: coalesce($.data, []).where($ != null).select($.get('pre_upgrade_rolling_tasks')).where($ != null).flatten().distinct()
          data: {get_attr: [ServiceChain, role_data]}

  UpgradeTasks:
    type: OS::Heat::Value
    properties:
      type: comma_delimited_list
      value:
        yaql:
          # Note we use distinct() here to filter any identical tasks, e.g yum update for all services
          expression: coalesce($.data, []).where($ != null).select($.get('upgrade_tasks')).where($ != null).flatten().distinct()
          data: {get_attr: [ServiceChain, role_data]}

  PostUpgradeTasks:
    type: OS::Heat::Value
    properties:
      type: comma_delimited_list
      value:
        yaql:
          # Note we use distinct() here to filter any identical tasks, e.g yum update for all services
          expression: coalesce($.data, []).where($ != null).select($.get('post_upgrade_tasks')).where($ != null).flatten().distinct()
          data: {get_attr: [ServiceChain, role_data]}

  UpdateTasks:
    type: OS::Heat::Value
    properties:
      type: comma_delimited_list
      value:
        yaql:
          # Note we use distinct() here to filter any identical tasks, e.g yum update for all services
          expression: coalesce($.data, []).where($ != null).select($.get('update_tasks')).where($ != null).flatten().distinct()
          data: {get_attr: [ServiceChain, role_data]}

  PostUpdateTasks:
    type: OS::Heat::Value
    properties:
      type: comma_delimited_list
      value:
        yaql:
          # Note we use distinct() here to filter any identical tasks, e.g yum update for all services
          expression: coalesce($.data, []).where($ != null).select($.get('post_update_tasks')).where($ != null).flatten().distinct()
          data: {get_attr: [ServiceChain, role_data]}

  UpgradeBatchTasks:
    type: OS::Heat::Value
    properties:
      type: comma_delimited_list
      value:
        yaql:
          expression: coalesce($.data, []).where($ != null).select($.get('upgrade_batch_tasks')).where($ != null).flatten().distinct()
          data: {get_attr: [ServiceChain, role_data]}

  PuppetConfig:
    type: OS::Heat::Value
    properties:
      type: comma_delimited_list
      value:
        yaql:
          expression: coalesce($.data, []).where($ != null).select($.get('puppet_config')).where($ != null).distinct()
          data: {get_attr: [ServiceChain, role_data]}

  KollaConfig:
    type: OS::Heat::Value
    properties:
      type: json
      value:
        yaql:
          expression: coalesce($.data.role_data, []).where($ != null).select($.get('kolla_config')).where($ != null).reduce($1.mergeWith($2), {})
          data: {role_data: {get_attr: [ServiceChain, role_data]}}

  # DEPRECATED in favor of ContainerPuppetTasks.
  DockerPuppetTasks:
    type: OS::Heat::Value
    properties:
      type: json
      value:
        yaql:
          # This extracts docker_puppet_tasks for each step,
          # and merges {service_name: the_service} for each item, so we
          # can later filter based on the bootstrap hostname for the service
          expression: dict(coalesce($.data, []).where($ != null).select([$.get('docker_puppet_tasks'), $.get('service_name')]).where($[0] != null).select([$[0], dict($[0].keys().zip(dict(service_name=>$[1]).repeat(len($[0].keys()))))]).select($[0].mergeWith($[1])).selectMany($.items()).groupBy($[0], $[1]))
          data: {get_attr: [ServiceChain, role_data]}

  ContainerPuppetTasks:
    type: OS::Heat::Value
    properties:
      type: json
      value:
        yaql:
          # This extracts container_puppet_tasks for each step,
          # and merges {service_name: the_service} for each item, so we
          # can later filter based on the bootstrap hostname for the service
          expression: dict(coalesce($.data, []).where($ != null).select([$.get('container_puppet_tasks'), $.get('service_name')]).where($[0] != null).select([$[0], dict($[0].keys().zip(dict(service_name=>$[1]).repeat(len($[0].keys()))))]).select($[0].mergeWith($[1])).selectMany($.items()).groupBy($[0], $[1]))
          data: {get_attr: [ServiceChain, role_data]}

  HostFirewallTasks:
    type: OS::Heat::Value
    properties:
      type: comma_delimited_list
      value:
        yaql:
          # Note we use distinct() here to filter any identical tasks
          expression: coalesce($.data, []).where($ != null).select($.get('host_firewall_tasks')).where($ != null).flatten().distinct()
          data: {get_attr: [ServiceChain, role_data]}

  HostPrepTasks:
    type: OS::Heat::Value
    properties:
      type: comma_delimited_list
      value:
        yaql:
          # Note we use distinct() here to filter any identical tasks
          expression: coalesce($.data, []).where($ != null).select($.get('host_prep_tasks')).where($ != null).flatten().distinct()
          data: {get_attr: [ServiceChain, role_data]}

  PreDeployStepTasks:
    type: OS::Heat::Value
    properties:
      type: comma_delimited_list
      value:
        yaql:
          # Note we use distinct() here to filter any identical tasks
          expression: coalesce($.data, []).where($ != null).select($.get('pre_deploy_step_tasks')).where($ != null).flatten().distinct()
          data: {get_attr: [ServiceChain, role_data]}

  AnsibleGroupVars:
    type: OS::Heat::Value
    properties:
      type: json
      value:
        map_merge:
          yaql:
            expression: list(coalesce($.data.role_data, []).where($ != null).select($.get('ansible_group_vars')).where($ != null)).flatten()
            data: {role_data: {get_attr: [ServiceChain, role_data]}}

  FirewallRules:
    type: OS::Heat::Value
    properties:
      type: json
      value:
        map_merge:
          yaql:
            expression: list(coalesce($.data.role_data, []).where($ != null).select($.get('firewall_rules')).where($ != null)).flatten()
            data: {role_data: {get_attr: [ServiceChain, role_data]}}

  FirewallFrontendRules:
    type: OS::Heat::Value
    properties:
      type: json
      value:
        frontend:
          map_merge:
            yaql:
              expression: list(coalesce($.data.role_data, []).where($ != null).select($.get('firewall_frontend_rules')).where($ != null)).flatten()
              data: {role_data: {get_attr: [ServiceChain, role_data]}}
        ssl_frontend:
          map_merge:
            yaql:
              expression: list(coalesce($.data.role_data, []).where($ != null).select($.get('firewall_ssl_frontend_rules')).where($ != null)).flatten()
              data: {role_data: {get_attr: [ServiceChain, role_data]}}
        edge_frontend:
          map_merge:
            yaql:
              expression: list(coalesce($.data.role_data, []).where($ != null).select($.get('firewall_edge_frontend_rules')).where($ != null)).flatten()
              data: {role_data: {get_attr: [ServiceChain, role_data]}}
        edge_sslfrontend:
          map_merge:
            yaql:
              expression: list(coalesce($.data.role_data, []).where($ != null).select($.get('firewall_edge_ssl_frontend_rules')).where($ != null)).flatten()
              data: {role_data: {get_attr: [ServiceChain, role_data]}}


outputs:
  role_data:
    description: Combined Role data for this set of services.
    value:
      service_names: {get_attr: [ServiceNames, value]}
      monitoring_subscriptions: {get_attr: [MonitoringSubscriptionsConfig, value]}
      config_settings:
        yaql:
          expression: $.data.where($ != null).reduce($1.mergeWith($2), {})
          data: {get_attr: [ServiceChain, role_data, config_settings]}
      global_config_settings: {get_attr: [GlobalConfigSettings, value]}
      service_config_settings: {get_attr: [ServiceConfigSettings, value]}
      step_config: {get_attr: [PuppetStepConfig, value]}
      deploy_steps_tasks: {get_attr: [DeployStepsTasks, value]}
      external_deploy_tasks: {get_attr: [ExternalDeployTasks, value]}
      external_post_deploy_tasks: {get_attr: [ExternalPostDeployTasks, value]}
      external_update_tasks: {get_attr: [ExternalUpdateTasks, value]}
      external_upgrade_tasks: {get_attr: [ExternalUpgradeTasks, value]}
      scale_tasks: {get_attr: [ScaleTasks, value]}
      pre_upgrade_rolling_tasks: {get_attr: [PreUpgradeRollingTasks, value]}
      upgrade_tasks: {get_attr: [UpgradeTasks, value]}
      post_upgrade_tasks: {get_attr: [PostUpgradeTasks, value]}
      update_tasks: {get_attr: [UpdateTasks, value]}
      post_update_tasks: {get_attr: [PostUpdateTasks, value]}
      upgrade_batch_tasks: {get_attr: [UpgradeBatchTasks, value]}
      service_metadata_settings: {get_attr: [ServiceServerMetadataHook, metadata]}
      ansible_group_vars:
        map_merge:
          - ansible_async_dir: "/tmp/.ansible_async"
          - {get_attr: [AnsibleGroupVars, value]}
      keystone_resources: {get_attr: [KeystoneResourcesConfigs, value]}

      # Firewall rules
      firewall_rules: {get_attr: [FirewallRules, value]}
      firewall_frontend_rules: {get_attr: [FirewallFrontendRules, value, frontend]}
      firewall_ssl_frontend_rules: {get_attr: [FirewallFrontendRules, value, ssl_frontend]}
      firewall_edge_frontend_rules: {get_attr: [FirewallFrontendRules, value, edge_frontend]}
      firewall_edge_ssl_frontend_rules: {get_attr: [FirewallFrontendRules, value, edge_ssl_frontend]}

      # Keys to support docker/services
      puppet_config: {get_attr: [PuppetConfig, value]}
      kolla_config: {get_attr: [KollaConfig, value]}
      docker_config: {get_attr: [DockerConfig, value]}
      container_config_scripts: {get_attr: [DockerConfigScripts, value]}
      container_puppet_tasks:
        map_merge:
          - {get_attr: [ContainerPuppetTasks, value]}
          - {get_attr: [DockerPuppetTasks, value]}
      host_prep_tasks:
        list_concat:
          - {get_attr: [HostFirewallTasks, value]}
          - {get_attr: [HostPrepTasks, value]}
      pre_deploy_step_tasks: {get_attr: [PreDeployStepTasks, value]}