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implications-motivating-scenario-static

Variable Service Template

The variability of the following variable service template shall be resolved.

tosca_definitions_version: tosca_variability_1_0
topology_template:
  variability:
    inputs:
      static:
        type: boolean
        default: true
    presets:
      static:
        inputs:
          static: true
      elastic:
        inputs:
          static: false
    expressions:
      is_static:
        equal:
          - variability_input: static
          - true
      is_elastic:
        equal:
          - variability_input: static
          - false
    options:
      mode: semantic-loose
      node_default_condition_mode: incoming-host
      hosting_stack_constraint: true
      optimization_topology: true
  node_templates:
    shop:
      type: shop.component
      persistent: true
      requirements:
        - host:
            node: os_kubernetes
            conditions:
              logic_expression: is_static
        - host:
            node: gcp_runtime
            conditions:
              logic_expression: is_elastic
        - database:
            node: database
            conditions: true
            implied: true
    database:
      type: shop.database
      requirements:
        - host:
            node: os_dbms
        - host:
            node: gcp_dbms
    os_dbms:
      type: os.dbms
      requirements:
        - host: os_kubernetes
    os_monitor:
      type: os.monitor
      requirements:
        - host: os_kubernetes
    os_logger:
      type: os.logger
      requirements:
        - host: os_kubernetes
    os_kubernetes:
      type: os.kubernetes
      requirements:
        - host: os_compute
    os_compute:
      type: os.compute
      requirements:
        - host: os_cloud
    os_cloud:
      type: os_cloud
    gcp_dbms:
      type: gcp.dbms
      requirements:
        - host: gcp_cloud
    gcp_runtime:
      type: gcp.runtime
      requirements:
        - host: gcp_cloud
    gcp_cloud:
      type: gcp.cloud

Variability-Resolved Service Template

The following variability-resolved service template is expected.

tosca_definitions_version: tosca_simple_yaml_1_3
topology_template:
  node_templates:
    shop:
      type: shop.component
      requirements:
        - host: os_kubernetes
        - database: database
    database:
      type: shop.database
      requirements:
        - host: os_dbms
    os_dbms:
      type: os.dbms
      requirements:
        - host: os_kubernetes
    os_monitor:
      type: os.monitor
      requirements:
        - host: os_kubernetes
    os_logger:
      type: os.logger
      requirements:
        - host: os_kubernetes
    os_kubernetes:
      type: os.kubernetes
      requirements:
        - host: os_compute
    os_compute:
      type: os.compute
      requirements:
        - host: os_cloud
    os_cloud:
      type: os_cloud

Last update: March 27, 2024