open-nomad/website/source/api/quotas.html.md

layout	page_title	sidebar_current	description
api	Quotas - HTTP API	api-quotas	The /quota endpoints are used to query for and interact with quotas.

Quota HTTP API

The /quota endpoints are used to query for and interact with quotas.

~> Enterprise Only! This API endpoint and functionality only exists in Nomad Enterprise. This is not present in the open source version of Nomad.

List Quota Specifications

This endpoint lists all quota specifications.

Method	Path	Produces
GET	/v1/quotas	application/json

The table below shows this endpoint's support for blocking queries and required ACLs.

Blocking Queries	ACL Required
YES	quota:read namespace:* if namespace has quota attached

Parameters

• prefix (string: "")- Specifies a string to filter quota specifications on based on an index prefix. This is specified as a query string parameter.

Sample Request

$ curl \
    https://localhost:4646/v1/quotas

$ curl \
    https://localhost:4646/v1/quotas?prefix=sha

Sample Response

[
  {
    "CreateIndex": 8,
    "Description": "Limit the shared default namespace",
    "Hash": "SgDCH7L5ZDqNSi2NmJlqdvczt/Q6mjyVwVJC0XjWglQ=",
    "Limits": [
      {
        "Hash": "NLOoV2WBU8ieJIrYXXx8NRb5C2xU61pVVWRDLEIMxlU=",
        "Region": "global",
        "RegionLimit": {
          "CPU": 2500,
          "DiskMB": 0,
          "MemoryMB": 2000,
          "Networks": null
        }
      }
    ],
    "ModifyIndex": 56,
    "Name": "shared-quota"
  }
]

Read Quota Specification

This endpoint reads information about a specific quota specification.

Method	Path	Produces
GET	/v1/quota/:quota	application/json

The table below shows this endpoint's support for blocking queries and required ACLs.

Blocking Queries	ACL Required
YES	quota:read namespace:* if namespace has quota attached

Parameters

• :quota (string: <required>)- Specifies the quota specification to query where the identifier is the quota's name.

Sample Request

$ curl \
    https://localhost:4646/v1/quota/shared-quota

Sample Response

{
  "CreateIndex": 8,
  "Description": "Limit the shared default namespace",
  "Hash": "SgDCH7L5ZDqNSi2NmJlqdvczt/Q6mjyVwVJC0XjWglQ=",
  "Limits": [
    {
      "Hash": "NLOoV2WBU8ieJIrYXXx8NRb5C2xU61pVVWRDLEIMxlU=",
      "Region": "global",
      "RegionLimit": {
        "CPU": 2500,
        "DiskMB": 0,
        "MemoryMB": 2000,
        "Networks": null
      }
    }
  ],
  "ModifyIndex": 56,
  "Name": "shared-quota"
}

Create or Update Quota Specification

This endpoint is used to create or update a quota specification.

Method	Path	Produces
POST	/v1/quota/:quota /v1/quota	application/json

The table below shows this endpoint's support for blocking queries and required ACLs.

Blocking Queries	ACL Required
NO	quota:write

Body

The request body contains a valid, JSON quota specification. View the api package to see the definition of a QuotaSpec object.

Sample Payload

{
  "Name": "shared-quota",
  "Description": "Limit the shared default namespace",
  "Limits": [
    {
      "Region": "global",
      "RegionLimit": {
        "CPU": 2500,
        "MemoryMB": 1000
      }
    }
  ]
}

Sample Request

$ curl \
    --request POST \
    --data @spec.json \
    https://localhost:4646/v1/quota/shared-quota

$ curl \
    --request POST \
    --data @spec.json \
    https://localhost:4646/v1/quota

Delete Quota Specification

This endpoint is used to delete a quota specification.

Method	Path	Produces
DELETE	/v1/quota/:quota	application/json

The table below shows this endpoint's support for blocking queries and required ACLs.

Blocking Queries	ACL Required
NO	quota:write

Parameters

• :quota (string: <required>)- Specifies the quota specification to delete where the identifier is the quota's name.

Sample Request

$ curl \
    --request DELETE \
    https://localhost:4646/v1/quota/shared-quota

List Quota Usages

This endpoint lists all quota usages.

Method	Path	Produces
GET	/v1/quota-usages	application/json

The table below shows this endpoint's support for blocking queries and required ACLs.

Blocking Queries	ACL Required
YES	quota:read namespace:* if namespace has quota attached

Parameters

• prefix (string: "")- Specifies a string to filter quota specifications on based on an index prefix. This is specified as a query string parameter.

Sample Request

$ curl \
    https://localhost:4646/v1/quota-usages

$ curl \
    https://localhost:4646/v1/quota-usages?prefix=sha

Sample Response

[
  {
    "Used": {
      "NLOoV2WBU8ieJIrYXXx8NRb5C2xU61pVVWRDLEIMxlU=": {
        "Region": "global",
        "RegionLimit": {
          "CPU": 500,
          "MemoryMB": 256,
          "DiskMB": 0,
          "Networks": null
        },
        "Hash": "NLOoV2WBU8ieJIrYXXx8NRb5C2xU61pVVWRDLEIMxlU="
      }
    },
    "Name": "default",
    "CreateIndex": 8,
    "ModifyIndex": 56
  }
]

Read Quota Usage

This endpoint reads information about a specific quota usage.

Method	Path	Produces
GET	/v1/quota/usage/:quota	application/json

The table below shows this endpoint's support for blocking queries and required ACLs.

Blocking Queries	ACL Required
YES	quota:read namespace:* if namespace has quota attached

Parameters

• :quota (string: <required>)- Specifies the quota specification to query where the identifier is the quota's name.

Sample Request

$ curl \
    https://localhost:4646/v1/quota/shared-quota

Sample Response

{
  "Used": {
    "NLOoV2WBU8ieJIrYXXx8NRb5C2xU61pVVWRDLEIMxlU=": {
      "Region": "global",
      "RegionLimit": {
        "CPU": 500,
        "MemoryMB": 256,
        "DiskMB": 0,
        "Networks": null
      },
      "Hash": "NLOoV2WBU8ieJIrYXXx8NRb5C2xU61pVVWRDLEIMxlU="
    }
  },
  "Name": "default",
  "CreateIndex": 8,
  "ModifyIndex": 56
}