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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 ] }
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