Vitrage API


Overview

This document describes the Vitrage API v1.

The Vitrage API provides a RESTful JSON interface for interacting with Vitrage Service.

List Versions

Lists the supported versions of the Vitrage API.

GET /

Headers
  • X-Auth-Token (string, required) - Keystone auth token
  • Accept (string) - application/json
Request Examples
GET / HTTP/1.1
Host: 135.248.19.18:8999
X-Auth-Token: 2b8882ba2ec44295bf300aecb2caa4f7
Accept: application/json
Response Body

Returns a JSON object with a ‘links’ array of links of supported versions.

Response Examples
{
    "versions": [
        {
           "id": "v1.0",
          "links": [
                {
                 "href": "http://135.248.19.18:8999/v1/",
                "rel": "self"
               }
          ],
          "status": "CURRENT",
          "updated": "2015-11-29"
        }
    ]

}

Get topology

Get the topology for the cluster. Its possible to filter the edges vertices and depth of the graph

POST /v1/topology/

Headers
  • X-Auth-Token (string, required) - Keystone auth token
  • Accept (string) - application/json
Request Body

Consists of a topology request definition which has the following properties:

  • root - (string, optional) the root node to start. defaults to the openstack node
  • depth - (int, optional) the depth of the topology graph. defaults to max depth
  • graph_type-(string, optional) can be either tree or graph. defaults to graph
  • query - (string, optional) a json query filter to filter the graph components. defaults to return all the graph
  • all_tenants -
query expression
query := expression
expression := simple_expression|complex_expression
simple_expression := {simple_operator: {field_name: value}}
simple_operator := = | != | < | <= | > | >=
complex_expression := {complex_operator: [expression, expression, ...]} | not_expression
not_expression := {not: expression}
complex_operator := and | or
Query example
POST /v1/topology/
Host: 135.248.19.18:8999
Content-Type: application/json
X-Auth-Token: 2b8882ba2ec44295bf300aecb2caa4f7

{
  "query" :
   {
      "or":
      [
          "=":
              {
                "type":"host"
              },
          "=":
              {
                "type":"instance"
              },
          "=":
              {
                "type":"zone"
              },
          "=":
              {
                "type":"node"
              }
      ]
   }
   "graph_type" : "tree"
   limit : 4
}
Response Status Code
  • 200 - OK
  • 400 - Bad request
Response Body

Returns a JSON object that describes a graph with nodes and links. If a tree representation is asked then returns a Json tree with nodes and children.

An error of cannot represent as a tree will be return if the graph is not a tree. (400 - Bad request)

Response Examples
{
 "directed": true,
 "graph": {},
 "nodes": [
   {
     "category": "RESOURCE",
     "is_placeholder": false,
     "is_deleted": false,
     "name": "vm-8",
     "update_timestamp": "2015-12-01T12:46:41Z",
     "state": "ACTIVE",
     "project_id": "0683517e1e354d2ba25cba6937f44e79",
     "type": "nova.instance",
     "id": "20d12a8a-ea9a-89c6-5947-83bea959362e",
     "vitrage_id": "RESOURCE:nova.instance:20d12a8a-ea9a-89c6-5947-83bea959362e"
   },
   {
     "category": "RESOURCE",
     "is_placeholder": false,
     "is_deleted": false,
     "name": "vm-2",
     "update_timestamp": "2015-12-01T12:46:41Z",
     "state": "ACTIVE",
     "project_id": "0683517e1e354d2ba25cba6937f44e79",
     "type": "nova.instance",
     "id": "dc35fa2f-4515-1653-ef6b-03b471bb395b",
     "vitrage_id": "RESOURCE:nova.instance:dc35fa2f-4515-1653-ef6b-03b471bb395b"
   },
   {
     "category": "RESOURCE",
     "is_placeholder": false,
     "is_deleted": false,
     "name": "vm-13",
     "update_timestamp": "2015-12-01T12:46:41Z",
     "state": "ACTIVE",
     "project_id": "0683517e1e354d2ba25cba6937f44e79",
     "type": "nova.instance",
     "id": "9879cf5a-bdcf-3651-3017-961ed887ec86",
     "vitrage_id": "RESOURCE:nova.instance:9879cf5a-bdcf-3651-3017-961ed887ec86"
   },
   {
     "category": "RESOURCE",
     "is_placeholder": false,
     "is_deleted": false,
     "name": "vm-10",
     "update_timestamp": "2015-12-01T12:46:41Z",
     "state": "ACTIVE",
     "project_id": "0683517e1e354d2ba25cba6937f44e79",
     "type": "nova.instance",
     "id": "fe124f4b-9ed7-4591-fcd1-803cf5c33cb1",
     "vitrage_id": "RESOURCE:nova.instance:fe124f4b-9ed7-4591-fcd1-803cf5c33cb1"
   },
   {
     "category": "RESOURCE",
     "is_placeholder": false,
     "is_deleted": false,
     "name": "vm-11",
     "update_timestamp": "2015-12-01T12:46:41Z",
     "state": "ACTIVE",
     "project_id": "0683517e1e354d2ba25cba6937f44e79",
     "type": "nova.instance",
     "id": "f2e48a97-7350-061e-12d3-84c6dc3e67c0",
     "vitrage_id": "RESOURCE:nova.instance:f2e48a97-7350-061e-12d3-84c6dc3e67c0"
   },
   {
     "category": "RESOURCE",
     "is_placeholder": false,
     "is_deleted": false,
     "name": "host-2",
     "update_timestamp": "2015-12-01T12:46:41Z",
     "state": "available",
     "type": "nova.host",
     "id": "host-2",
     "vitrage_id": "RESOURCE:nova.host:host-2"
   },
   {
     "category": "RESOURCE",
     "is_placeholder": false,
     "is_deleted": false,
     "name": "host-3",
     "update_timestamp": "2015-12-01T12:46:41Z",
     "state": "available",
     "type": "nova.host",
     "id": "host-3",
     "vitrage_id": "RESOURCE:nova.host:host-3"
   },
   {
     "category": "RESOURCE",
     "is_placeholder": false,
     "is_deleted": false,
     "name": "host-0",
     "update_timestamp": "2015-12-01T12:46:41Z",
     "state": "available",
     "type": "nova.host",
     "id": "host-0",
     "vitrage_id": "RESOURCE:nova.host:host-0"
   },
   {
     "category": "RESOURCE",
     "is_placeholder": false,
     "is_deleted": false,
     "name": "host-1",
     "update_timestamp": "2015-12-01T12:46:41Z",
     "state": "available",
     "type": "nova.host",
     "id": "host-1",
     "vitrage_id": "RESOURCE:nova.host:host-1"
   },
   {
     "category": "RESOURCE",
     "is_placeholder": false,
     "is_deleted": false,
     "name": "vm-9",
     "update_timestamp": "2015-12-01T12:46:41Z",
     "state": "ACTIVE",
     "project_id": "0683517e1e354d2ba25cba6937f44e79",
     "type": "nova.instance",
     "id": "275097cf-954e-8e24-b185-9514e24b8591",
     "vitrage_id": "RESOURCE:nova.instance:275097cf-954e-8e24-b185-9514e24b8591"
   },
   {
     "category": "RESOURCE",
     "is_placeholder": false,
     "is_deleted": false,
     "name": "vm-1",
     "update_timestamp": "2015-12-01T12:46:41Z",
     "state": "ACTIVE",
     "project_id": "0683517e1e354d2ba25cba6937f44e79",
     "type": "nova.instance",
     "id": "a0f0805f-c804-cffe-c25a-1b38f555ed68",
     "vitrage_id": "RESOURCE:nova.instance:a0f0805f-c804-cffe-c25a-1b38f555ed68"
   },
   {
     "category": "RESOURCE",
     "is_placeholder": false,
     "is_deleted": false,
     "name": "vm-14",
     "update_timestamp": "2015-12-01T12:46:41Z",
     "state": "ACTIVE",
     "project_id": "0683517e1e354d2ba25cba6937f44e79",
     "type": "nova.instance",
     "id": "56af57d2-34a4-19b1-5106-b613637a11a7",
     "vitrage_id": "RESOURCE:nova.instance:56af57d2-34a4-19b1-5106-b613637a11a7"
   },
   {
     "category": "RESOURCE",
     "is_placeholder": false,
     "is_deleted": false,
     "name": "zone-1",
     "update_timestamp": "2015-12-01T12:46:41Z",
     "state": "available",
     "type": "nova.zone",
     "id": "zone-1",
     "vitrage_id": "RESOURCE:nova.zone:zone-1"
   },
   {
     "category": "RESOURCE",
     "is_placeholder": false,
     "is_deleted": false,
     "name": "vm-3",
     "update_timestamp": "2015-12-01T12:46:41Z",
     "state": "ACTIVE",
     "project_id": "0683517e1e354d2ba25cba6937f44e79",
     "type": "nova.instance",
     "id": "16e14c58-d254-2bec-53e4-c766e48810aa",
     "vitrage_id": "RESOURCE:nova.instance:16e14c58-d254-2bec-53e4-c766e48810aa"
   },
   {
     "category": "RESOURCE",
     "is_placeholder": false,
     "is_deleted": false,
     "name": "vm-7",
     "update_timestamp": "2015-12-01T12:46:41Z",
     "state": "ACTIVE",
     "project_id": "0683517e1e354d2ba25cba6937f44e79",
     "type": "nova.instance",
     "id": "f35a1e10-74ff-7332-8edf-83cd6ffcb2de",
     "vitrage_id": "RESOURCE:nova.instance:f35a1e10-74ff-7332-8edf-83cd6ffcb2de"
   },
   {
     "category": "RESOURCE",
     "is_placeholder": false,
     "is_deleted": false,
     "name": "vm-4",
     "update_timestamp": "2015-12-01T12:46:41Z?vitrage_id=all",
     "state": "ACTIVE",
     "project_id": "0683517e1e354d2ba25cba6937f44e79",
     "type": "nova.instance",
     "id": "ea8a450e-cab1-2272-f431-494b40c5c378",
     "vitrage_id": "RESOURCE:nova.instance:ea8a450e-cab1-2272-f431-494b40c5c378"
   },
   {
     "category": "RESOURCE",
     "is_placeholder": false,
     "is_deleted": false,
     "name": "vm-6",
     "update_timestamp": "2015-12-01T12:46:41Z",
     "state": "ACTIVE",
     "project_id": "0683517e1e354d2ba25cba6937f44e79",
     "type": "nova.instance",
     "id": "6e42bdc3-b776-1b2c-2c7d-b7a8bb98f721",
     "vitrage_id": "RESOURCE:nova.instance:6e42bdc3-b776-1b2c-2c7d-b7a8bb98f721"
   },
   {
     "category": "RESOURCE",
     "is_placeholder": false,
     "is_deleted": false,
     "name": "vm-5",
     "update_timestamp": "2015-12-01T12:46:41Z",
     "state": "ACTIVE",
     "project_id": "0683517e1e354d2ba25cba6937f44e79",
     "type": "nova.instance",
     "id": "8c951613-c660-87c0-c18b-0fa3293ce8d8",
     "vitrage_id": "RESOURCE:nova.instance:8c951613-c660-87c0-c18b-0fa3293ce8d8"
   },
   {
     "category": "RESOURCE",
     "is_placeholder": false,
     "is_deleted": false,
     "name": "zone-0",
     "update_timestamp": "2015-12-01T12:46:41Z",
     "state": "available",
     "type": "nova.zone",
     "id": "zone-0",
     "vitrage_id": "RESOURCE:nova.zone:zone-0"
   },
   {
     "category": "RESOURCE",
     "is_placeholder": false,
     "is_deleted": false,
     "name": "vm-0",
     "update_timestamp": "2015-12-01T12:46:41Z",
     "state": "ACTIVE",
     "project_id": "0683517e1e354d2ba25cba6937f44e79",
     "type": "nova.instance",
     "id": "78353ce4-2710-49b5-1341-b8cbb6000ebc",
     "vitrage_id": "RESOURCE:nova.instance:78353ce4-2710-49b5-1341-b8cbb6000ebc"
   },TODO
   {
     "category": "RESOURCE",
     "is_placeholder": false,
     "is_deleted": false,
     "name": "vm-12",
     "update_timestamp": "2015-12-01T12:46:41Z",
     "state": "ACTIVE",
     "project_id": "0683517e1e354d2ba25cba6937f44e79",
     "type": "nova.instance",
     "id": "35bf479a-75d9-80a9-874e-d3b50fb2dd2e",
     "vitrage_id": "RESOURCE:nova.instance:35bf479a-75d9-80a9-874e-d3b50fb2dd2e"
   },
   {
     "category": "RESOURCE",
     "is_placeholder": false,
     "is_deleted": false,
     "name": "openstack.cluster",
     "type": "openstack.cluster",
     "id": "openstack.cluster",
     "vitrage_id": "RESOURCE:openstack.cluster"
   }
 ],
 "links": [
   {
     "relationship_name": "contains",
     "is_deleted": false,
     "target": 3,
     "key": "contains",
     "source": 5
   },
   {
     "relationship_name": "contains",
     "is_deleted": false,
     "target": 1,
     "key": "contains",
     "source": 5
   },
   {
     "relationship_name": "contains",
     "is_deleted": false,
     "target": 16,
     "key": "contains",
     "source": 5
   },
   {
     "relationship_name": "contains",
     "is_deleted": false,
     "target": 11,
     "key": "contains",
     "source": 5
   },
   {
     "relationship_name": "contains",
     "is_deleted": false,
     "target": 13,
     "key": "contains",
     "source": 6
   },
   {
     "relationship_name": "contains",
     "is_deleted": false,
     "target": 4,
     "key": "contains",
     "source": 6
   },
   {
     "relationship_name": "contains",
     "is_deleted": false,
     "target": 14,
     "key": "contains",
     "source": 6
   },
   {
     "relationship_name": "contains",
     "is_deleted": false,
     "target": 20,
     "key": "contains",
     "source": 7
   },?vitrage_id=all
   {
     "relationship_name": "contains",
     "is_deleted": false,
     "target": 0,
     "key": "contains",
     "source": 7
   },
   {
     "relationship_name": "contains",
     "is_deleted": false,
     "target": 19,
     "key": "contains",
     "source": 7
   },
   {
     "relationship_name": "contains",
     "is_deleted": false,
     "target": 15,
     "key": "contains",
     "source": 7
   },
   {
     "relationship_name": "contains",
     "is_deleted": false,
     "target": 9,
     "key": "contains",
     "source": 8
   },
   {
     "relationship_name": "contains",
     "is_deleted": false,
     "target": 10,
     "key": "contains",
     "source": 8
   },
   {
     "relationship_name": "contains",
     "is_deleted": false,
     "target": 2,
     "key": "contains",
     "source": 8
   },
   {
     "relationship_name": "contains",
     "is_deleted": false,
     "target": 17,
     "key": "contains",
     "source": 8
   },
   {
     "relationship_name": "contains",
     "is_deleted": false,
     "target": 6,
     "key": "contains",
     "source": 12
   },
   {
     "relationship_name": "contains",
     "is_deleted": false,
     "target": 8,
     "key": "contains",
     "source": 12
   },
   {
     "relationship_name": "contains",
     "is_deleted": false,
     "target": 5,
     "key": "contains",
     "source": 18
   },
   {
     "relationship_name": "contains",
     "is_deleted": false,
     "target": 7,
     "key": "contains",
     "source": 18
   },
   {
     "relationship_name": "contains",
     "is_deleted": false,
     "target": 18,
     "key": "contains",
     "source": 21
   },
   {
     "relationship_name": "contains",
     "is_deleted": false,
     "target": 12,
     "key": "contains",
     "source": 21
   }
 ],
 "multigraph": true
}

Show RCA

Shows the root cause analysis on an alarm.

GET /v1/rca/

Headers
  • X-Auth-Token (string, required) - Keystone auth token
  • Accept (string) - application/json
Query Parameters

alarm id - (string(255)) get rca on this alarm.

Request Examples
GET /v1/rca/alarm_id=ALARM%3Anagios%3Ahost0%3ACPU%20load HTTP/1.1
Host: 135.248.19.18:8999
X-Auth-Token: 2b8882ba2ec44295bf300aecb2caa4f7
Accept: application/json
Response Body

Returns a JSON object represented as a graph with all the alarms that either causing the alarm or caused by the requested alarm.

Response Examples
{
 "directed": true,
 "graph": {

 },
 "nodes": [
   {
     "category": "ALARM",
     "type": "nagios",
     "name": "CPU load",
     "state": "Active",
     "severity": "WARNING",
     "update_timestamp": "2015-12-01T12:46:41Z",
     "info": "WARNING - 15min load 1.66 at 32 CPUs",
     "resource_type": "nova.host",
     "resource_name": "host-0",
     "resource_id": "host-0",
     "id": 0,
     "vitrage_id": "ALARM:nagios:host0:CPU load"
   },
   {
     "category": "ALARM",
     "type": "vitrage",
     "name": "Machine Suboptimal",
     "state": "Active",
     "severity": "WARNING",
     "update_timestamp": "2015-12-01T12:46:41Z",
     "resource_type": "nova.instance",
     "resource_name": "vm0",
     "resource_id": "20d12a8a-ea9a-89c6-5947-83bea959362e",
     "id": 1,
     "vitrage_id": "ALARM:vitrage:vm0:Machine Suboptimal"
   },
   {
     "category": "ALARM",
     "type": "vitrage",
     "name": "Machine Suboptimal",
     "state": "Active",
     "severity": "WARNING",
     "update_timestamp": "2015-12-01T12:46:41Z",
     "resource_type": "nova.instance",
     "resource_name": "vm1",
     "resource_id": "275097cf-954e-8e24-b185-9514e24b8591",
     "id": 2,
     "vitrage_id": "ALARM:vitrage:vm1:Machine Suboptimal"
   }
 ],
 "links": [
   {
     "source": 0,
     "target": 1,
     "relationship": "causes"
   },
   {
     "source": 0,
     "target": 2,
     "relationship": "causes"
   }
 ],
 "multigraph": false,
 "inspected_index": 0
}

List Alarms

Shows the alarms on a resource or all alarms

GET /v1/alarm/

Headers
  • X-Auth-Token (string, required) - Keystone auth token
  • Accept (string) - application/json
Query Parameters

vitrage_id - (string(255)) get alarm on this resource can be ‘all’ for all alarms.

Request Examples
GET /v1/alarms/?vitrage_id=all HTTP/1.1
Host: 135.248.19.18:8999
X-Auth-Token: 2b8882ba2ec44295bf300aecb2caa4f7
Accept: application/json
Response Body

Returns a JSON object with all the alarms requested.

Response Examples
 [
    {
      "category": "ALARM",
      "type": "nagios",
      "name": "CPU load",
      "state": "Active",
      "severity": "WARNING",
      "update_timestamp": "2015-12-01T12:46:41Z",
      "info": "WARNING - 15min load 1.66 at 32 CPUs",
      "resource_type": "nova.host",
      "resource_name": "host-0",
      "resource_id": "host-0",
      "id": 0,
      "vitrage_id": "ALARM:nagios:host0:CPU load",
      "normalized_severity": "WARNING"
    },
    {
      "category": "ALARM",
      "type": "vitrage",
      "name": "Machine Suboptimal",
      "state": "Active",
      "severity": "CRITICAL",
      "update_timestamp": "2015-12-01T12:46:41Z",
      "resource_type": "nova.instance",
      "resource_name": "vm0",
      "resource_id": "20d12a8a-ea9a-89c6-5947-83bea959362e",
      "id": 1,
      "vitrage_id": "ALARM:vitrage:vm0:Machine Suboptimal",
      "normalized_severity": "CRITICAL"
    },
    {
      "category": "ALARM",
      "type": "vitrage",
      "name": "Machine Suboptimal",
      "state": "Active",
      "severity": "CRITICAL",
      "update_timestamp": "2015-12-01T12:46:41Z",
      "resource_type": "nova.instance",
      "resource_name": "vm1",
      "resource_id": "275097cf-954e-8e24-b185-9514e24b8591",
      "id": 2,
      "vitrage_id": "ALARM:vitrage:vm1:Machine Suboptimal",
      "normalized_severity": "CRITICAL"
    },
    {
      "category": "ALARM",
      "type": "aodh",
      "name": "Memory overload",
      "state": "Active",
      "severity": "WARNING",
      "update_timestamp": "2015-12-01T12:46:41Z",
      "info": "WARNING - 15min load 1.66 at 32 CPUs",
      "resource_type": "nova.host",
      "resource_name": "host-0",
      "resource_id": "host-0",
      "id": 3,
      "vitrage_id": "ALARM:aodh:host0:Memory overload",
      "normalized_severity": "WARNING"
    }
]

Template Validate

An API for validating templates

POST /v1/template/

Headers
  • X-Auth-Token (string, required) - Keystone auth token
  • Accept (string) - application/json
  • User-Agent (String)
  • Content-Type (String): application/json
Query Parameters
  • path (string(255), required) - the path to template file or directory
Request Examples
POST /v1/template/?path=[file/dir path]
Host: 135.248.18.122:8999
User-Agent: keystoneauth1/2.3.0 python-requests/2.9.1 CPython/2.7.6
Content-Type: application/json
Accept: application/json
X-Auth-Token: 2b8882ba2ec44295bf300aecb2caa4f7
Response Body

Returns a JSON object that is a list of results. Each result describes a full validation (syntax and content) of one template file.

Response Examples
{
  "results": [
    {
      "status": "validation failed",
      "file path": "/tmp/templates/basic_no_meta.yaml",
      "description": "Template syntax validation",
      "message": "metadata is a mandatory section.",
      "status code": 62
    },
    {
      "status": "validation OK",
      "file path": "/tmp/templates/basic.yaml",
      "description": "Template validation",
      "message": "Template validation is OK",
      "status code": 4
    }
  ]
}
Template List

List all templates loaded from /etc/vitrage/templates, both those that passed validation and those that did not.

GET /v1/template/

Headers
  • X-Auth-Token (string, required) - Keystone auth token
  • Accept (string) - application/json
  • User-Agent (String)
Request Examples
GET /v1/template/
Host: 135.248.18.122:8999
User-Agent: keystoneauth1/2.3.0 python-requests/2.9.1 CPython/2.7.6
Accept: application/json
X-Auth-Token: 2b8882ba2ec44295bf300aecb2caa4f7
Response Body

Returns list of all templates loaded from /etc/vitrage/templates, both those that passed validation and those that did not.

Response Examples
+--------------------------------------+---------------------------------------+--------+--------------------------------------------------+----------------------+
| uuid                                 | name                                  | status | status details                                   | date                 |
+--------------------------------------+---------------------------------------+--------+--------------------------------------------------+----------------------+
| 67bebcb4-53b1-4240-ad05-451f34db2438 | vm_down_causes_suboptimal_application | failed | Entity definition must contain template_id field | 2016-06-29T12:24:16Z |
| 4cc899e6-f6cb-43d8-94a0-6fa937e41ae2 | host_cpu_load_causes_vm_problem       | pass   | Template validation is OK                        | 2016-06-29T12:24:16Z |
| 0548367e-711a-4c08-9bdb-cb61f96fed04 | switch_connectivity_issues            | pass   | Template validation is OK                        | 2016-06-29T12:24:16Z |
| 33cb4400-f846-4c64-b168-530824d38f3e | host_nic_down                         | pass   | Template validation is OK                        | 2016-06-29T12:24:16Z |
| a04cd155-0fcf-4409-a27c-c83ba8b20a3c | disconnected_storage_problems         | pass   | Template validation is OK                        | 2016-06-29T12:24:16Z |
+--------------------------------------+---------------------------------------+--------+--------------------------------------------------+----------------------+

Template Show

Shows the template body for given template ID

GET /v1/template/[template_uuid]

Headers
  • User-Agent (string)
  • X-Auth-Token (string, required) - Keystone auth token
  • Accept (string) - application/json
Path Parameters
  • template uuid
Request Examples
GET /v1/template/a0bdb89a-fe4c-4b27-adc2-507b7ec44c24
Host: 135.248.19.18:8999
User-Agent: keystoneauth1/2.3.0 python-requests/2.9.1 CPython/2.7.6
X-Auth-Token: 2b8882ba2ec44295bf300aecb2caa4f7
Accept: application/json
Response Status code
  • 200 - OK
  • 404 - failed to show template with uuid: [template_uuid]
Response Body

Returns a JSON object which represents the template body

Response Examples
{
  "scenarios": [
    {
      "scenario": {
        "actions": [
          {
            "action": {
              "action_target": {
                "target": "instance"
              },
              "properties": {
                "alarm_name": "exploding_world",
                "severity": "CRITICAL"
              },
              "action_type": "raise_alarm"
            }
          }
        ],
        "condition": "alarm_1_on_host and host_contains_instance"
      }
    },
    {
      "scenario": {
        "actions": [
          {
            "action": {
              "action_target": {
                "source": "alarm_1",
                "target": "alarm_2"
              },
              "action_type": "add_causal_relationship"
            }
          }
        ],
        "condition": "alarm_1_on_host and alarm_2_on_instance and host_contains_instance"
      }
    }
  ],
  "definitions": {
    "relationships": [
      {
        "relationship": {
          "relationship_type": "on",
          "source": "alarm_1",
          "target": "host",
          "template_id": "alarm_1_on_host"
        }
      },
      {
        "relationship": {
          "relationship_type": "on",
          "source": "alarm_2",
          "target": "instance",
          "template_id": "alarm_2_on_instance"
        }
      },
      {
        "relationship": {
          "relationship_type": "contains",
          "source": "host",
          "target": "instance",
          "template_id": "host_contains_instance"
        }
      }
    ],
    "entities": [
      {
        "entity": {
          "category": "ALARM",
          "type": "nagios",
          "name": "check_libvirtd",
          "template_id": "alarm_1"
        }
      },
      {
        "entity": {
          "category": "RESOURCE",
          "type": "nova.host",
          "template_id": "host"
        }
      },
      {
        "entity": {
          "category": "RESOURCE",
          "type": "nova.instance",
          "template_id": "instance"
        }
      },
      {
        "entity": {
          "category": "ALARM",
          "type": "vitrage",
          "name": "exploding_world",
          "template_id": "alarm_2"
        }
      }
    ]
  },
  "metadata": {
    "name": "first_deduced_alarm_ever"
}