tosca_definitions_version: tosca_simple_yaml_1_0

description: >
  This TOSCA simple profile deploys nodejs, mongodb, elasticsearch, logstash
  and kibana each on a separate server with monitoring enabled for nodejs
  server where a sample nodejs application is running. The rsyslog and collectd
  are installed on a nodejs server.

imports:
  - custom_types/paypalpizzastore_nodejs_app.yaml
  - custom_types/elasticsearch.yaml
  - custom_types/logstash.yaml
  - custom_types/kibana.yaml
  - custom_types/collectd.yaml
  - custom_types/rsyslog.yaml

dsl_definitions:
    host_capabilities: &host_capabilities
      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: http://github.com/paypal/rest-api-sample-app-nodejs.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: nodejs/config.sh
             inputs:
               github_url: { get_property: [ SELF, github_url ] }
               mongodb_ip: { get_attribute: [mongo_server, private_address] }
           start: nodejs/start.sh
    nodejs:
      type: tosca.nodes.WebServer
      requirements:
        - host: app_server
      interfaces:
        Standard:
          create: nodejs/create.sh
    mongo_db:
      type: tosca.nodes.Database
      requirements:
        - host: mongo_dbms
      interfaces:
        Standard:
          create: mongodb/create_database.sh
    mongo_dbms:
      type: tosca.nodes.DBMS
      requirements:
        - host: mongo_server
      interfaces:
        Standard:
          create: mongodb/create.sh
          configure:
            implementation: mongodb/config.sh
            inputs:
              mongodb_ip: { get_attribute: [mongo_server, private_address] }
          start: mongodb/start.sh
    elasticsearch:
      type: tosca.nodes.SoftwareComponent.Elasticsearch
      requirements:
        - host: elasticsearch_server
      interfaces:
        Standard:
          create: elasticsearch/create.sh
          start: elasticsearch/start.sh
    logstash:
      type: tosca.nodes.SoftwareComponent.Logstash
      requirements:
        - host: logstash_server
        - search_endpoint:
            node: elasticsearch
            capability: search_endpoint
            relationship:
              type: tosca.relationships.ConnectsTo
              interfaces:
                Configure:
                  pre_configure_source:
                    implementation: logstash/configure_elasticsearch.py
                    inputs:
                      elasticsearch_ip: { get_attribute: [elasticsearch_server, private_address] }
      interfaces:
        Standard:
          create: logstash/create.sh
          start: logstash/start.sh
    kibana:
      type: tosca.nodes.SoftwareComponent.Kibana
      requirements:
        - host: kibana_server
        - search_endpoint: elasticsearch
      interfaces:
        Standard:
          create: kibana/create.sh
          configure:
            implementation: kibana/config.sh
            inputs:
              elasticsearch_ip: { get_attribute: [elasticsearch_server, private_address] }
              kibana_ip: { get_attribute: [kibana_server, private_address] }
          start: kibana/start.sh
    app_collectd:
      type: tosca.nodes.SoftwareComponent.Collectd
      requirements:
        - host: app_server
        - log_endpoint:
            node: logstash
            capability: log_endpoint
            relationship:
              type: tosca.relationships.ConnectsTo
              interfaces:
                Configure:
                  pre_configure_target:
                    implementation: logstash/configure_collectd.py
      interfaces:
        Standard:
          create: collectd/create.sh
          configure:
            implementation: collectd/config.py
            inputs:
              logstash_ip: { get_attribute: [logstash_server, private_address] }
          start: collectd/start.sh
    app_rsyslog:
      type: tosca.nodes.SoftwareComponent.Rsyslog
      requirements:
        - host: app_server
        - log_endpoint:
            node: logstash
            capability: log_endpoint
            relationship:
              type: tosca.relationships.ConnectsTo
              interfaces:
                Configure:
                  pre_configure_target:
                    implementation: logstash/configure_rsyslog.py
      interfaces:
        Standard:
          create: rsyslog/create.sh
          configure:
            implementation: rsyslog/config.sh
            inputs:
              logstash_ip: { get_attribute: [logstash_server, private_address] }
          start: rsyslog/start.sh
    app_server:
      type: tosca.nodes.Compute
      capabilities:
        host:
          properties: *host_capabilities
        os:
          properties: *os_capabilities
    mongo_server:
      type: tosca.nodes.Compute
      capabilities:
        host:
          properties: *host_capabilities
        os:
          properties: *os_capabilities
    elasticsearch_server:
      type: tosca.nodes.Compute
      capabilities:
        host:
          properties: *host_capabilities
        os:
          properties: *os_capabilities
    logstash_server:
      type: tosca.nodes.Compute
      capabilities:
        host:
          properties: *host_capabilities
        os:
          properties: *os_capabilities
    kibana_server:
      type: tosca.nodes.Compute
      capabilities:
        host:
          properties: *host_capabilities
        os:
          properties: *os_capabilities

  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 ] }
    elasticsearch_url:
      description: URL for the elasticsearch server.
      value: { get_attribute: [ elasticsearch_server, private_address ] }
    logstash_url:
      description: URL for the logstash server.
      value: { get_attribute: [ logstash_server, private_address ] }
    kibana_url:
      description: URL for the kibana server.
      value: { get_attribute: [ kibana_server, private_address ] }