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Chapter 16. Gear Groups
Gear groups are of the same size and share scaling limit in terms of maximum number of gears. A gear group is automatically created when a scaled application is created, or when a cartridge is added to a scaled application. For an application that is not scalable, only one gear group gets created. All cartridges in a gear group scale together.
16.1. Get Application Gear Groups
Description
Get a list of gear groups where each group represents a list of gears that share scaling and storage policies.
Note
Section 13.2.2, “List Embedded Cartridges” provides information on how to view scaling and storage policies for scaled cartridges.
Method and URL Structure
Method URL Structure GET /broker/rest/application/:id/gear_groups
Request Parameters
Not applicable
cURL Command Example
$ curl -X GET https://openshift.redhat.com/broker/rest/application/5213190e2587c8817a000121/gear_groups --user user@example.com
JSON Response
The API returns a list of all gear groups for the specified application. See Chapter 13, Cartridges for more information on all cartridge parameters.
"api_version": 1.7,
"data": [
{
"additional_gear_storage": 0,
"base_gear_storage": 1,
"cartridges": [
{
"name": "haproxy-1.4",
"display_name": "Web Load Balancer",
"tags": [
"web_proxy",
"scales",
"embedded"
]
},
{
"name": "ruby-1.9",
"display_name": "Ruby 1.9",
"tags": [
"service",
"ruby",
"web_framework"
]
}
],
"gear_profile": "small",
"gears": [
{
"id": "53bdbd95e19923514a0000c1",
"state": "started",
"ssh_url": "ssh://53bdbd95e19923514a0000c1@myapp-mydomain.rhcloud.com",
"region": null,
"zone": null
}
],
"id": "53bdbd95e19923514a0000c3",
"name": "53bdbd95e19923514a0000c3",
"scales_from": 1,
"scales_to": -1
}
],
"messages": [
{
"exit_code": 0,
"field": null,
"index": null,
"severity": "info",
"text": "Showing gear groups for application 'myapp' with domain 'mydomain'"
},
{
"exit_code": 0,
"field": null,
"index": null,
"severity": "result",
"text": "started\n"
}
],
"status": "ok",
"supported_api_versions": [
1.0,
1.1,
1.2,
1.3,
1.4,
1.5,
1.6,
1.7
],
"type": "gear_groups",
"version": "1.7"
