1 files changed, 264 insertions, 0 deletions
diff --git a/common/services.yaml b/common/services.yaml
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+heat_template_version: pike
+
+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.  This
+                 mapping overrides those in ServiceNetMapDefaults.
+    type: json
+  EndpointMap:
+    default: {}
+    description: Mapping of service endpoint -> protocol. Typically set
+                 via parameter_defaults in the resource registry.
+    type: json
+  DefaultPasswords:
+    default: {}
+    description: Mapping of service -> default password. Used to help
+                 pass top level passwords managed by Heat into services.
+    type: json
+  RoleName:
+    default: ''
+    description: Role name on which the service is applied
+    type: string
+  RoleParameters:
+    description: Role Specific parameters to be provided to service
+    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}
+        DefaultPasswords: {get_param: DefaultPasswords}
+        RoleName: {get_param: RoleName}
+        RoleParameters: {get_param: RoleParameters}
+
+  LoggingConfiguration:
+    type: OS::TripleO::LoggingConfiguration
+
+  ServiceServerMetadataHook:
+    type: OS::TripleO::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($2), {})
+          data:
+            service_names: {get_attr: [ServiceChain, role_data, service_names]}
+            docker_config: {get_attr: [ServiceChain, role_data, docker_config]}
+
+  LoggingSourcesConfig:
+    type: OS::Heat::Value
+    properties:
+      type: comma_delimited_list
+      value:
+        # Transform the individual logging_source configuration from
+        # each service in the chain into a global list, adding some
+        # default configuration at the same time.
+        yaql:
+          expression: >
+            let(
+            default_format => coalesce($.data.default_format, ''),
+            pos_file_path => coalesce($.data.pos_file_path, ''),
+            sources => coalesce($.data.sources, {}).flatten()
+            ) ->
+            $sources.where($ != null).select({
+            'type' => 'tail',
+            'tag' => $.tag,
+            'path' => $.path,
+            'format' => $.get('format', $default_format),
+            'pos_file' => $.get('pos_file', $pos_file_path + '/' + $.tag + '.pos')
+            })
+          data:
+            sources:
+              - {get_attr: [LoggingConfiguration, LoggingDefaultSources]}
+              - yaql:
+                  expression: list(coalesce($.data.role_data, []).where($ != null).select($.get('logging_source')).where($ != null))
+                  data: {role_data: {get_attr: [ServiceChain, role_data]}}
+
+              - {get_attr: [LoggingConfiguration, LoggingExtraSources]}
+            default_format: {get_attr: [LoggingConfiguration, LoggingDefaultFormat]}
+            pos_file_path: {get_attr: [LoggingConfiguration, LoggingPosFilePath]}
+
+  LoggingGroupsConfig:
+    type: OS::Heat::Value
+    properties:
+      type: comma_delimited_list
+      value:
+        # Build a list of unique groups to which we should add the
+        # fluentd user.
+        yaql:
+          expression: >
+            set((coalesce($.data.default, []) + coalesce($.data.extra, []) + coalesce($.data.role_data, []).where($ != null).select($.get('logging_groups'))).flatten()).where($)
+          data:
+            default: {get_attr: [LoggingConfiguration, LoggingDefaultGroups]}
+            extra: {get_attr: [LoggingConfiguration, LoggingExtraGroups]}
+            role_data: {get_attr: [ServiceChain, role_data]}
+
+  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))
+          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))
+            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($2), {})
+          data: {role_data: {get_attr: [ServiceChain, role_data]}}
+
+  ServiceWorkflowTasks:
+    type: OS::Heat::Value
+    properties:
+      type: json
+      value:
+        yaql:
+          expression: coalesce($.data.role_data, []).where($ != null).select($.get('service_workflow_tasks')).where($ != null).reduce($1.mergeWith($2), {})
+          data: {role_data: {get_attr: [ServiceChain, role_data]}}
+
+  UpgradeTasks:
+    type: OS::Heat::Value
+    properties:
+      type: comma_delimited_list
+      value:
+        yaql:
+          # Note we use distinct() here to filter any identical tasks, e.g yum update for all services
+          expression: coalesce($.data, []).where($ != null).select($.get('upgrade_tasks')).where($ != null).flatten().distinct()
+          data: {get_attr: [ServiceChain, role_data]}
+
+  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($2), {})
+          data: {role_data: {get_attr: [ServiceChain, role_data]}}
+
+  DockerPuppetTasks:
+    type: OS::Heat::Value
+    properties:
+      type: json
+      value:
+        yaql:
+          expression: dict(coalesce($.data, []).where($ != null).select($.get('docker_puppet_tasks')).where($ != null).selectMany($.items()).groupBy($[0], $[1]))
+          data: {get_attr: [ServiceChain, role_data]}
+
+  HostPrepTasks:
+    type: OS::Heat::Value
+    properties:
+      type: comma_delimited_list
+      value:
+        yaql:
+          # Note we use distinct() here to filter any identical tasks
+          expression: coalesce($.data, []).where($ != null).select($.get('host_prep_tasks')).where($ != null).flatten().distinct()
+          data: {get_attr: [ServiceChain, role_data]}
+
+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]}
+      logging_sources: {get_attr: [LoggingSourcesConfig, value]}
+      logging_groups: {get_attr: [LoggingGroupsConfig, value]}
+      config_settings: {map_merge: {get_attr: [ServiceChain, role_data, config_settings]}}
+      global_config_settings: {get_attr: [GlobalConfigSettings, value]}
+      service_config_settings: {get_attr: [ServiceConfigSettings, value]}
+      service_workflow_tasks: {get_attr: [ServiceWorkflowTasks, value]}
+      step_config: {get_attr: [PuppetStepConfig, value]}
+      upgrade_tasks: {get_attr: [UpgradeTasks, value]}
+      upgrade_batch_tasks: {get_attr: [UpgradeBatchTasks, value]}
+      service_metadata_settings: {get_attr: [ServiceServerMetadataHook, metadata]}
+
+      # Keys to support docker/services
+      puppet_config: {get_attr: [PuppetConfig, value]}
+      kolla_config: {get_attr: [KollaConfig, value]}
+      docker_config: {get_attr: [DockerConfig, value]}
+      docker_puppet_tasks: {get_attr: [DockerPuppetTasks, value]}
+      host_prep_tasks: {get_attr: [HostPrepTasks, value]}