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+tosca_definitions_version: tosca_simple_yaml_1_0
+
+description: >-
+ TOSCA simple profile with a nodejs web server hosting a PayPal sample application which connects
+ to a mongodb database.
+
+metadata:
+ template_name: webserver-dbms-2
+ template_author: TOSCA Simple Profile in YAML
+ template_version: '1.0'
+
+imports:
+ - custom_types/paypalpizzastore_nodejs_app.yaml
+
+dsl_definitions:
+
+ ubuntu_node: &ubuntu_node
+ disk_size: 10 GB
+ num_cpus: { get_input: my_cpus }
+ mem_size: 4096 MB
+ os_capabilities: &os_capabilities
+ architecture: x86_64
+ type: Linux
+ distribution: Ubuntu
+ version: 14.04
+
+topology_template:
+
+ inputs:
+ my_cpus:
+ type: integer
+ description: Number of CPUs for the server.
+ constraints:
+ - valid_values: [ 1, 2, 4, 8 ]
+ default: 1
+ github_url:
+ type: string
+ description: The URL to download nodejs.
+ default: https://github.com/sample.git
+
+ node_templates:
+
+ paypal_pizzastore:
+ type: tosca.nodes.WebApplication.PayPalPizzaStore
+ properties:
+ github_url: { get_input: github_url }
+ requirements:
+ - host: nodejs
+ - database_connection: mongo_db
+ interfaces:
+ Standard:
+ configure:
+ implementation: scripts/nodejs/configure.sh
+ inputs:
+ github_url: { get_property: [ SELF, github_url ] }
+ mongodb_ip: { get_attribute: [ mongo_server, private_address ] }
+ start: scripts/nodejs/start.sh
+
+ nodejs:
+ type: tosca.nodes.WebServer.Nodejs
+ requirements:
+ - host: app_server
+ interfaces:
+ Standard:
+ create: scripts/nodejs/create.sh
+
+ mongo_db:
+ type: tosca.nodes.Database
+ properties:
+ name: 'pizzastore' # ARIA NOTE: missing in spec
+ requirements:
+ - host: mongo_dbms
+ interfaces:
+ Standard:
+ create: create_database.sh
+
+ mongo_dbms:
+ type: tosca.nodes.DBMS
+ requirements:
+ - host: mongo_server
+ properties:
+ port: 27017
+ interfaces:
+ Standard: # ARIA NOTE: mistaken in spec
+ create: mongodb/create.sh
+ configure:
+ implementation: mongodb/config.sh
+ inputs:
+ mongodb_ip: { get_attribute: [ mongo_server, private_address ] }
+ start: mongodb/start.sh
+
+ mongo_server:
+ type: tosca.nodes.Compute
+ capabilities:
+ os:
+ properties: *os_capabilities
+ host:
+ properties: *ubuntu_node
+
+ app_server:
+ type: tosca.nodes.Compute
+ capabilities:
+ os:
+ properties: *os_capabilities
+ host:
+ properties: *ubuntu_node
+
+ outputs:
+
+ nodejs_url:
+ description: URL for the nodejs server, http://<IP>:3000
+ value: { get_attribute: [ app_server, private_address ] }
+ mongodb_url:
+ description: URL for the mongodb server.
+ value: { get_attribute: [ mongo_server, private_address ] }