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tosca_definitions_version: tosca_simple_yaml_1_0
description: >
TOSCA simple profile with a Single Block Storage node shared by 2-Tier Application with custom AttachesTo Type and implied relationships.
relationship_types:
MyAttachesTo:
derived_from: tosca.relationships.AttachesTo
properties:
location:
type: string
default: /default_location
topology_template:
inputs:
cpus:
type: integer
description: Number of CPUs for the server.
constraints:
- valid_values: [ 1, 2, 4, 8 ]
storage_size:
type: scalar-unit.size
default: 1 GB
description: Size of the storage to be created.
storage_snapshot_id:
type: string
description: >
Optional identifier for an existing snapshot to use when creating storage.
node_templates:
my_web_app_tier_1:
type: tosca.nodes.Compute
capabilities:
host:
properties:
disk_size: 10 GB
num_cpus: { get_input: cpus }
mem_size: 4096 MB
os:
properties:
architecture: x86_64
type: Linux
distribution: Fedora
version: 18.0
requirements:
- local_storage:
node: my_storage
relationship: MyAttachesTo
my_web_app_tier_2:
type: tosca.nodes.Compute
capabilities:
host:
properties:
disk_size: 10 GB
num_cpus: { get_input: cpus }
mem_size: 4096 MB
os:
properties:
architecture: x86_64
type: Linux
distribution: Fedora
version: 18.0
requirements:
- local_storage:
node: my_storage
relationship:
type: MyAttachesTo
properties:
location: /some_other_data_location
my_storage:
type: tosca.nodes.BlockStorage
properties:
size: { get_input: storage_size }
snapshot_id: { get_input: storage_snapshot_id }
outputs:
private_ip_1:
description: The private IP address of the application's first tier.
value: { get_attribute: [my_web_app_tier_1, private_address] }
private_ip_2:
description: The private IP address of the application's second tier.
value: { get_attribute: [my_web_app_tier_2, private_address] }
volume_id:
description: The volume id of the block storage instance.
value: { get_attribute: [my_storage, volume_id] }
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