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m (EdLeafe moved page API Working Group/Current Design/Links to API Special Interest Group/Current Design/Links: +The group changed its name and focus)
 
(6 intermediate revisions by one other user not shown)
Line 13: Line 13:
 
[http://json-schema.org/latest/json-schema-hypermedia.html JSON Hyper-Schema]
 
[http://json-schema.org/latest/json-schema-hypermedia.html JSON Hyper-Schema]
 
</ref>
 
</ref>
−
for all embedded link references.
+
style for all embedded link references.
  
 
=== Examples ===
 
=== Examples ===
Line 82: Line 82:
 
         }
 
         }
 
     ]
 
     ]
 +
}
 +
</nowiki></pre>
 +
 +
== Glance ==
 +
 +
[http://developer.openstack.org/api-ref-image-v2.html Glance API reference]
 +
 +
Glance is using JSON Hyper-Schema <ref name="json-hyper-schema" /> style references for its home page.
 +
 +
In most other requests and responses, glance consistently uses the keys '''"self"''', '''"file"''', '''"schema"''', and '''"first"''' to record relative URLs. These fields do not appear to use fully qualified URLs with a protocol and hostname.
 +
 +
=== Examples ===
 +
 +
<pre><nowiki>GET /</nowiki></pre>
 +
 +
<pre><nowiki>
 +
{
 +
    "versions": [
 +
        {
 +
            "status": "CURRENT",
 +
            "id": "v2.2",
 +
            "links": [
 +
                {
 +
                    "href": "http://23.253.228.211:9292/v2/",
 +
                    "rel": "self"
 +
                }
 +
            ]
 +
        },
 +
        {
 +
            "status": "SUPPORTED",
 +
            "id": "v2.1",
 +
            "links": [
 +
                {
 +
                    "href": "http://23.253.228.211:9292/v2/",
 +
                    "rel": "self"
 +
                }
 +
            ]
 +
        },
 +
        {
 +
            "status": "SUPPORTED",
 +
            "id": "v2.0",
 +
            "links": [
 +
                {
 +
                    "href": "http://23.253.228.211:9292/v2/",
 +
                    "rel": "self"
 +
                }
 +
            ]
 +
        },
 +
        {
 +
            "status": "SUPPORTED",
 +
            "id": "v1.1",
 +
            "links": [
 +
                {
 +
                    "href": "http://23.253.228.211:9292/v1/",
 +
                    "rel": "self"
 +
                }
 +
            ]
 +
        },
 +
        {
 +
            "status": "SUPPORTED",
 +
            "id": "v1.0",
 +
            "links": [
 +
                {
 +
                    "href": "http://23.253.228.211:9292/v1/",
 +
                    "rel": "self"
 +
                }
 +
            ]
 +
        }
 +
    ]
 +
}
 +
</nowiki></pre>
 +
 +
<pre><nowiki>GET /v2/images</nowiki></pre>
 +
 +
<pre><nowiki>
 +
{
 +
    "images": [
 +
        {
 +
            "status": "active",
 +
            "name": "cirros-0.3.2-x86_64-disk",
 +
            "tags": [],
 +
            "container_format": "bare",
 +
            "created_at": "2014-11-07T17:07:06Z",
 +
            "disk_format": "qcow2",
 +
            "updated_at": "2014-11-07T17:19:09Z",
 +
            "visibility": "public",
 +
            "self": "/v2/images/1bea47ed-f6a9-463b-b423-14b9cca9ad27",
 +
            "min_disk": 0,
 +
            "protected": false,
 +
            "id": "1bea47ed-f6a9-463b-b423-14b9cca9ad27",
 +
            "file": "/v2/images/1bea47ed-f6a9-463b-b423-14b9cca9ad27/file",
 +
            "checksum": "64d7c1cd2b6f60c92c14662941cb7913",
 +
            "owner": "5ef70662f8b34079a6eddb8da9d75fe8",
 +
            "size": 13167616,
 +
            "min_ram": 0,
 +
            "schema": "/v2/schemas/image",
 +
            "virtual_size": null
 +
        },
 +
        {
 +
            "status": "active",
 +
            "name": "F17-x86_64-cfntools",
 +
            "tags": [],
 +
            "container_format": "bare",
 +
            "created_at": "2014-10-30T08:23:39Z",
 +
            "disk_format": "qcow2",
 +
            "updated_at": "2014-11-03T16:40:10Z",
 +
            "visibility": "public",
 +
            "self": "/v2/images/781b3762-9469-4cec-b58d-3349e5de4e9c",
 +
            "min_disk": 0,
 +
            "protected": false,
 +
            "id": "781b3762-9469-4cec-b58d-3349e5de4e9c",
 +
            "file": "/v2/images/781b3762-9469-4cec-b58d-3349e5de4e9c/file",
 +
            "checksum": "afab0f79bac770d61d24b4d0560b5f70",
 +
            "owner": "5ef70662f8b34079a6eddb8da9d75fe8",
 +
            "size": 476704768,
 +
            "min_ram": 0,
 +
            "schema": "/v2/schemas/image",
 +
            "virtual_size": null
 +
        }
 +
    ],
 +
    "schema": "/v2/schemas/images",
 +
    "first": "/v2/images"
 +
}
 +
</nowiki></pre>
 +
 +
== Keystone ==
 +
 +
[http://developer.openstack.org/api-ref-identity-v3.html Keystone API reference]
 +
 +
Keystone is using the JSON Hyper-Schema <ref name="json-hyper-schema" /> style reference for some links that it returns.
 +
 +
There are some requests and responses that use the keyword '''"self"''' when referring to resource links, these appear within a '''"links"''' dictionary that looks similar to the JSON Hyper-Schema style. These '''"links"''' dictionaries may also contain '''"next"''' and '''"previous"''' links.
 +
 +
There are also some responses which use the '''"self"''' keyword and the '''"url"''' keyword. The '''"url"''' key appears to occur in requests as well as responses.
 +
 +
The majority of calls appear to use the '''"self"''' keyword wrapped in the '''"links"''' dictionary, as follows:
 +
 +
<pre><nowiki>
 +
{
 +
    "links": {
 +
        "self": "http://spam:eggs/bacon"
 +
    }
 +
}
 +
</nowiki></pre>
 +
 +
=== Examples ===
 +
 +
<pre><nowiki>GET /v3</nowiki></pre>
 +
 +
<pre><nowiki>
 +
{
 +
    "version": {
 +
        "id": "v3.4",
 +
        "links": [
 +
            {
 +
                "href": "http://localhost:35357/v3/",
 +
                "rel": "self"
 +
            }
 +
        ],
 +
        "media-types": [
 +
            {
 +
                "base": "application/json",
 +
                "type": "application/vnd.openstack.identity-v3+json"
 +
            }
 +
        ],
 +
        "status": "stable",
 +
        "updated": "2015-03-30T00:00:00Z"
 +
    }
 +
}
 +
</nowiki></pre>
 +
 +
<pre><nowiki>GET /v3/auth/tokens</nowiki></pre>
 +
 +
<pre><nowiki>
 +
{
 +
    "token": {
 +
        "expires_at": "2013-02-27T18:30:59.999999Z",
 +
        "issued_at": "2013-02-27T16:30:59.999999Z",
 +
        "methods": [
 +
            "password"
 +
        ],
 +
        "user": {
 +
            "domain": {
 +
                "id": "1789d1",
 +
                "links": {
 +
                    "self": "http://identity:35357/v3/domains/1789d1"
 +
                },
 +
                "name": "example.com"
 +
            },
 +
            "id": "0ca8f6",
 +
            "links": {
 +
                "self": "http://identity:35357/v3/users/0ca8f6"
 +
            },
 +
            "name": "Joe"
 +
        }
 +
    }
 +
}
 +
</nowiki></pre>
 +
 +
<pre><nowiki>POST /v3/services
 +
 +
{
 +
    "service": {
 +
        "type": "volume"
 +
    }
 +
}
 +
</nowiki></pre>
 +
 +
<pre><nowiki>
 +
{
 +
    "service": {
 +
        "enabled": true,
 +
        "id": "686766",
 +
        "links": {
 +
            "self": "http://identity:5000/v3/services/686766"
 +
        },
 +
        "type": "volume"
 +
    }
 +
}
 +
</nowiki></pre>
 +
 +
<pre><nowiki>POST /v3/endpoints
 +
 +
{
 +
    "endpoint": {
 +
        "interface": "public",
 +
        "name": "name",
 +
        "region_id": "north",
 +
        "url": "http://identity:35357/v3/endpoints/828384",
 +
        "service_id": "686766"
 +
    }
 +
}
 +
</nowiki></pre>
 +
 +
<pre><nowiki>
 +
{
 +
    "endpoint": {
 +
        "id": "828384",
 +
        "interface": "internal",
 +
        "links": {
 +
            "self": "http://identity:35357/v3/endpoints/828384"
 +
        },
 +
        "name": "the internal volume endpoint",
 +
        "region_id": "north",
 +
        "service_id": "686766",
 +
        "url": "http://identity:35357/v3/endpoints/828384"
 +
    }
 +
}
 +
</nowiki></pre>
 +
 +
<pre><nowiki>GET /v3/services</nowiki></pre>
 +
 +
<pre><nowiki>
 +
{
 +
    "links": {
 +
        "next": null,
 +
        "previous": null,
 +
        "self": "http://identity:5000/v3/services"
 +
    },
 +
    "services": [
 +
        {
 +
            "description": "Keystone Identity Service",
 +
            "enabled": true,
 +
            "id": "686766",
 +
            "links": {
 +
                "self": "http://identity:5000/v3/services/686766"
 +
            },
 +
            "name": "keystone",
 +
            "type": "identity"
 +
        },
 +
        {
 +
            "enabled": true,
 +
            "id": "936521",
 +
            "links": {
 +
                "self": "http://identity:5000/v3/services/936521"
 +
            },
 +
            "type": "volume"
 +
        }
 +
    ]
 +
}
 +
</nowiki></pre>
 +
 +
== Neutron ==
 +
 +
[http://developer.openstack.org/api-ref-networking-v2.html Neutron API reference]
 +
 +
Neutron uses the JSON Hyper-Schema <ref name="json-hyper-schema" /> for returned responses. Aside its home and version pages, neutron does not return embedded links in its responses.
 +
 +
=== Examples ===
 +
 +
<pre><nowiki>GET /</nowiki></pre>
 +
 +
<pre><nowiki>
 +
{
 +
    "versions": [
 +
        {
 +
            "status": "CURRENT",
 +
            "id": "v2.0",
 +
            "links": [
 +
                {
 +
                    "href": "http://23.253.228.211:9696/v2.0",
 +
                    "rel": "self"
 +
                }
 +
            ]
 +
        }
 +
    ]
 +
}
 +
</nowiki></pre>
 +
 +
== Nova ==
 +
 +
[http://developer.openstack.org/api-ref-compute-v2.1.html Nova API reference]
 +
 +
Nova appears to use the JSON Hyper-Schema <ref name="json-hyper-schema" /> for most returned responses.
 +
 +
There are a few responses that use the '''"url"''' key to describe a link, it is not clear if these are only for external resources.
 +
 +
There are also a few calls which allow the values '''"imageRef"''' and '''"flavorRef"''' to accept incoming links.
 +
 +
=== Examples ===
 +
 +
<pre><nowiki>GET /</nowiki></pre>
 +
 +
<pre><nowiki>
 +
{
 +
    "versions": [
 +
        {
 +
            "id": "v2.0",
 +
            "links": [
 +
                {
 +
                    "href": "http://openstack.example.com/v2/",
 +
                    "rel": "self"
 +
                }
 +
            ],
 +
            "status": "SUPPORTED",
 +
            "version": "",
 +
            "min_version": "",
 +
            "updated": "2011-01-21T11:33:21Z"
 +
        },
 +
        {
 +
            "id": "v2.1",
 +
            "links": [
 +
                {
 +
                    "href": "http://openstack.example.com/v2.1/",
 +
                    "rel": "self"
 +
                }
 +
            ],
 +
            "status": "CURRENT",
 +
            "version": "2.3",
 +
            "min_version": "2.1",
 +
            "updated": "2013-07-23T11:33:21Z"
 +
        }
 +
    ]
 +
}
 +
</nowiki></pre>
 +
 +
<pre><nowiki>POST /v2.1/​{tenant_id}​/os-agents
 +
 +
{
 +
    "agent": {
 +
        "hypervisor": "hypervisor",
 +
        "os": "os",
 +
        "architecture": "x86",
 +
        "version": "8.0",
 +
        "md5hash": "add6bb58e139be103324d04d82d8f545",
 +
        "url": "http://example.com/path/to/resource"
 +
    }
 +
}
 +
</nowiki></pre>
 +
 +
<pre><nowiki>
 +
{
 +
    "agent": {
 +
        "agent_id": 1,
 +
        "architecture": "x86",
 +
        "hypervisor": "hypervisor",
 +
        "md5hash": "add6bb58e139be103324d04d82d8f545",
 +
        "os": "os",
 +
        "url": "http://example.com/path/to/resource",
 +
        "version": "8.0"
 +
    }
 +
}
 +
</nowiki></pre>
 +
 +
<pre><nowiki>POST /v2.1/{tenant_id}/servers
 +
 +
{
 +
    "server": {
 +
        "name": "new-server-test",
 +
        "imageRef": "http://openstack.example.com/openstack/images/70a599e0-31e7-49b7-b260-868f441e862b",
 +
        "flavorRef": "http://openstack.example.com/openstack/flavors/1",
 +
        "metadata": {
 +
            "My Server Name": "Apache1"
 +
        },
 +
        "min_count": "2",
 +
        "max_count": "3"
 +
    }
 +
}
 +
</nowiki></pre>
 +
 +
<pre><nowiki>
 +
{
 +
    "server": {
 +
        "adminPass": "wfksH3GTTseP",
 +
        "id": "440cf918-3ee0-4143-b289-f63e1d2000e6",
 +
        "links": [
 +
            {
 +
                "href": "http://openstack.example.com/v2.1/servers/440cf918-3ee0-4143-b289-f63e1d2000e6",
 +
                "rel": "self"
 +
            },
 +
            {
 +
                "href": "http://openstack.example.com/servers/440cf918-3ee0-4143-b289-f63e1d2000e6",
 +
                "rel": "bookmark"
 +
            }
 +
        ]
 +
    }
 
}
 
}
 
</nowiki></pre>
 
</nowiki></pre>

Latest revision as of 15:40, 14 June 2018

Analysis

How are links being referenced in OpenStack APIs

Current Design

Cinder

Cinder API reference

Cinder appears to use the JSON Hyper-Schema [1] style for all embedded link references.

Examples

GET /
{
    "versions": [
        {
            "status": "CURRENT",
            "updated": "2012-01-04T11:33:21Z",
            "id": "v1.0",
            "links": [
                {
                    "href": "http://23.253.228.211:8776/v1/",
                    "rel": "self"
                }
            ]
        },
        {
            "status": "CURRENT",
            "updated": "2012-11-21T11:33:21Z",
            "id": "v2.0",
            "links": [
                {
                    "href": "http://23.253.228.211:8776/v2/",
                    "rel": "self"
                }
            ]
        }
    ]
}

GET /v2/{tenant_id}/volumes
{
    "volumes": [
        {
            "id": "45baf976-c20a-4894-a7c3-c94b7376bf55",
            "links": [
                {
                    "href": "http://localhost:8776/v2/0c2eba2c5af04d3f9e9d0d410b371fde/volumes/45baf976-c20a-4894-a7c3-c94b7376bf55",
                    "rel": "self"
                },
                {
                    "href": "http://localhost:8776/0c2eba2c5af04d3f9e9d0d410b371fde/volumes/45baf976-c20a-4894-a7c3-c94b7376bf55",
                    "rel": "bookmark"
                }
            ],
            "name": "vol-004"
        },
        {
            "id": "5aa119a8-d25b-45a7-8d1b-88e127885635",
            "links": [
                {
                    "href": "http://localhost:8776/v2/0c2eba2c5af04d3f9e9d0d410b371fde/volumes/5aa119a8-d25b-45a7-8d1b-88e127885635",
                    "rel": "self"
                },
                {
                    "href": "http://localhost:8776/0c2eba2c5af04d3f9e9d0d410b371fde/volumes/5aa119a8-d25b-45a7-8d1b-88e127885635",
                    "rel": "bookmark"
                }
            ],
            "name": "vol-003"
        }
    ]
}

Glance

Glance API reference

Glance is using JSON Hyper-Schema [1] style references for its home page.

In most other requests and responses, glance consistently uses the keys "self", "file", "schema", and "first" to record relative URLs. These fields do not appear to use fully qualified URLs with a protocol and hostname.

Examples

GET /
{
    "versions": [
        {
            "status": "CURRENT",
            "id": "v2.2",
            "links": [
                {
                    "href": "http://23.253.228.211:9292/v2/",
                    "rel": "self"
                }
            ]
        },
        {
            "status": "SUPPORTED",
            "id": "v2.1",
            "links": [
                {
                    "href": "http://23.253.228.211:9292/v2/",
                    "rel": "self"
                }
            ]
        },
        {
            "status": "SUPPORTED",
            "id": "v2.0",
            "links": [
                {
                    "href": "http://23.253.228.211:9292/v2/",
                    "rel": "self"
                }
            ]
        },
        {
            "status": "SUPPORTED",
            "id": "v1.1",
            "links": [
                {
                    "href": "http://23.253.228.211:9292/v1/",
                    "rel": "self"
                }
            ]
        },
        {
            "status": "SUPPORTED",
            "id": "v1.0",
            "links": [
                {
                    "href": "http://23.253.228.211:9292/v1/",
                    "rel": "self"
                }
            ]
        }
    ]
}

GET /v2/images
{
    "images": [
        {
            "status": "active",
            "name": "cirros-0.3.2-x86_64-disk",
            "tags": [],
            "container_format": "bare",
            "created_at": "2014-11-07T17:07:06Z",
            "disk_format": "qcow2",
            "updated_at": "2014-11-07T17:19:09Z",
            "visibility": "public",
            "self": "/v2/images/1bea47ed-f6a9-463b-b423-14b9cca9ad27",
            "min_disk": 0,
            "protected": false,
            "id": "1bea47ed-f6a9-463b-b423-14b9cca9ad27",
            "file": "/v2/images/1bea47ed-f6a9-463b-b423-14b9cca9ad27/file",
            "checksum": "64d7c1cd2b6f60c92c14662941cb7913",
            "owner": "5ef70662f8b34079a6eddb8da9d75fe8",
            "size": 13167616,
            "min_ram": 0,
            "schema": "/v2/schemas/image",
            "virtual_size": null
        },
        {
            "status": "active",
            "name": "F17-x86_64-cfntools",
            "tags": [],
            "container_format": "bare",
            "created_at": "2014-10-30T08:23:39Z",
            "disk_format": "qcow2",
            "updated_at": "2014-11-03T16:40:10Z",
            "visibility": "public",
            "self": "/v2/images/781b3762-9469-4cec-b58d-3349e5de4e9c",
            "min_disk": 0,
            "protected": false,
            "id": "781b3762-9469-4cec-b58d-3349e5de4e9c",
            "file": "/v2/images/781b3762-9469-4cec-b58d-3349e5de4e9c/file",
            "checksum": "afab0f79bac770d61d24b4d0560b5f70",
            "owner": "5ef70662f8b34079a6eddb8da9d75fe8",
            "size": 476704768,
            "min_ram": 0,
            "schema": "/v2/schemas/image",
            "virtual_size": null
        }
    ],
    "schema": "/v2/schemas/images",
    "first": "/v2/images"
}

Keystone

Keystone API reference

Keystone is using the JSON Hyper-Schema [1] style reference for some links that it returns.

There are some requests and responses that use the keyword "self" when referring to resource links, these appear within a "links" dictionary that looks similar to the JSON Hyper-Schema style. These "links" dictionaries may also contain "next" and "previous" links.

There are also some responses which use the "self" keyword and the "url" keyword. The "url" key appears to occur in requests as well as responses.

The majority of calls appear to use the "self" keyword wrapped in the "links" dictionary, as follows: 

{
    "links": {
        "self": "http://spam:eggs/bacon"
    }
}

Examples

GET /v3
{
    "version": {
        "id": "v3.4",
        "links": [
            {
                "href": "http://localhost:35357/v3/",
                "rel": "self"
            }
        ],
        "media-types": [
            {
                "base": "application/json",
                "type": "application/vnd.openstack.identity-v3+json"
            }
        ],
        "status": "stable",
        "updated": "2015-03-30T00:00:00Z"
    }
}

GET /v3/auth/tokens
{
    "token": {
        "expires_at": "2013-02-27T18:30:59.999999Z",
        "issued_at": "2013-02-27T16:30:59.999999Z",
        "methods": [
            "password"
        ],
        "user": {
            "domain": {
                "id": "1789d1",
                "links": {
                    "self": "http://identity:35357/v3/domains/1789d1"
                },
                "name": "example.com"
            },
            "id": "0ca8f6",
            "links": {
                "self": "http://identity:35357/v3/users/0ca8f6"
            },
            "name": "Joe"
        }
    }
}

POST /v3/services

{
    "service": {
        "type": "volume"
    }
}

{
    "service": {
        "enabled": true,
        "id": "686766",
        "links": {
            "self": "http://identity:5000/v3/services/686766"
        },
        "type": "volume"
    }
}

POST /v3/endpoints

{
    "endpoint": {
        "interface": "public",
        "name": "name",
        "region_id": "north",
        "url": "http://identity:35357/v3/endpoints/828384",
        "service_id": "686766"
    }
}

{
    "endpoint": {
        "id": "828384",
        "interface": "internal",
        "links": {
            "self": "http://identity:35357/v3/endpoints/828384"
        },
        "name": "the internal volume endpoint",
        "region_id": "north",
        "service_id": "686766",
        "url": "http://identity:35357/v3/endpoints/828384"
    }
}

GET /v3/services
{
    "links": {
        "next": null,
        "previous": null,
        "self": "http://identity:5000/v3/services"
    },
    "services": [
        {
            "description": "Keystone Identity Service",
            "enabled": true,
            "id": "686766",
            "links": {
                "self": "http://identity:5000/v3/services/686766"
            },
            "name": "keystone",
            "type": "identity"
        },
        {
            "enabled": true,
            "id": "936521",
            "links": {
                "self": "http://identity:5000/v3/services/936521"
            },
            "type": "volume"
        }
    ]
}

Neutron

Neutron API reference

Neutron uses the JSON Hyper-Schema [1] for returned responses. Aside its home and version pages, neutron does not return embedded links in its responses.

Examples

GET /
{
    "versions": [
        {
            "status": "CURRENT",
            "id": "v2.0",
            "links": [
                {
                    "href": "http://23.253.228.211:9696/v2.0",
                    "rel": "self"
                }
            ]
        }
    ]
}

Nova

Nova API reference

Nova appears to use the JSON Hyper-Schema [1] for most returned responses.

There are a few responses that use the "url" key to describe a link, it is not clear if these are only for external resources.

There are also a few calls which allow the values "imageRef" and "flavorRef" to accept incoming links.

Examples

GET /
{
    "versions": [
        {
            "id": "v2.0",
            "links": [
                {
                    "href": "http://openstack.example.com/v2/",
                    "rel": "self"
                }
            ],
            "status": "SUPPORTED",
            "version": "",
            "min_version": "",
            "updated": "2011-01-21T11:33:21Z"
        },
        {
            "id": "v2.1",
            "links": [
                {
                    "href": "http://openstack.example.com/v2.1/",
                    "rel": "self"
                }
            ],
            "status": "CURRENT",
            "version": "2.3",
            "min_version": "2.1",
            "updated": "2013-07-23T11:33:21Z"
        }
    ]
}

POST /v2.1/​{tenant_id}​/os-agents

{
    "agent": {
        "hypervisor": "hypervisor",
        "os": "os",
        "architecture": "x86",
        "version": "8.0",
        "md5hash": "add6bb58e139be103324d04d82d8f545",
        "url": "http://example.com/path/to/resource"
    }
}

{
    "agent": {
        "agent_id": 1,
        "architecture": "x86",
        "hypervisor": "hypervisor",
        "md5hash": "add6bb58e139be103324d04d82d8f545",
        "os": "os",
        "url": "http://example.com/path/to/resource",
        "version": "8.0"
    }
}

POST /v2.1/{tenant_id}/servers

{
    "server": {
        "name": "new-server-test",
        "imageRef": "http://openstack.example.com/openstack/images/70a599e0-31e7-49b7-b260-868f441e862b",
        "flavorRef": "http://openstack.example.com/openstack/flavors/1",
        "metadata": {
            "My Server Name": "Apache1"
        },
        "min_count": "2",
        "max_count": "3"
    }
}

{
    "server": {
        "adminPass": "wfksH3GTTseP",
        "id": "440cf918-3ee0-4143-b289-f63e1d2000e6",
        "links": [
            {
                "href": "http://openstack.example.com/v2.1/servers/440cf918-3ee0-4143-b289-f63e1d2000e6",
                "rel": "self"
            },
            {
                "href": "http://openstack.example.com/servers/440cf918-3ee0-4143-b289-f63e1d2000e6",
                "rel": "bookmark"
            }
        ]
    }
}

References

  1. ↑ 1.0 1.1 1.2 1.3 1.4 JSON Hyper-Schema
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