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# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
tosca_definitions_version: tosca_simple_yaml_1_0
description: >
Transaction 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:
mq_server_ip:
type: string
description: IP address of the message queuing server to receive messages from.
default: 127.0.0.1
receiver_port:
type: integer
description: Port to be used for receiving messages.
default: 8080
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.TransactionSubsystem
capabilities:
message_receiver: [ app, message_receiver ]
requirements:
database_endpoint: [ app, database ]
node_templates:
app:
type: example.SomeApp
properties:
admin_user: foo
pool_size: 10
capabilities:
message_receiver:
properties:
server_ip: { get_input: mq_server_ip }
requirements:
- host:
node: websrv
websrv:
type: tosca.nodes.WebServer
capabilities:
data_endpoint:
properties:
port_name: { get_input: receiver_port }
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 message receiver application
value: { get_attribute: [ server, private_address ] }
receiver_port:
description: receiver_port of the message receiver application
value: { get_input: receiver_port }
groups:
webserver_group:
members: [ websrv, server ]
type: tosca.groups.Root
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