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tosca_definitions_version: tosca_simple_yaml_1_0
description: >
Database subsystem, which is service template with topology_template,
act as a nested system inside another system and also act as stand
alone service template.
imports:
- definitions.yaml
topology_template:
description: Template of a database including its hosting stack.
inputs:
db_user:
type: string
description: the user name of database.
default: test
db_port:
type: integer
description: the port of database.
default: 3306
db_name:
type: string
description: the name of database.
default: test
my_cpus:
type: integer
description: Number of CPUs for the server.
default: 2
constraints:
- valid_values: [ 1, 2, 4, 8 ]
substitution_mappings:
node_type: example.DatabaseSubsystem
capabilities:
database_endpoint: [ db_app, database_endpoint ]
node_templates:
db_app:
type: tosca.nodes.Database
properties:
user: { get_input: db_user }
port: { get_input: db_port }
name: { get_input: db_name }
capabilities:
database_endpoint:
properties:
port: 1234
requirements:
- host:
node: dbms
dbms:
type: tosca.nodes.DBMS
properties:
port: 3306
root_password: 123456789
requirements:
- host:
node: server
server:
type: tosca.nodes.Compute
capabilities:
host:
properties:
disk_size: 10 GB
num_cpus: { get_input: my_cpus }
mem_size: 4096 MB
os:
properties:
architecture: x86_64
type: Linux
distribution: Ubuntu
version: 14.04
outputs:
receiver_ip:
description: private IP address of the database application
value: { get_attribute: [ server, private_address ] }
# It seems current _process_intrisic_function can not handle more than 2 arguments, save it for later
# receiver_port:
# description: Port of the message receiver endpoint
# value: { get_attribute: [ app, data_endpoint, port_name ] }
groups:
dbserver_group:
members: [ dbms, server ]
type: tosca.groups.Root
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