open-vault/website/source/api/secret/nomad/index.html.md

layout	page_title	sidebar_title	sidebar_current	description
api	Nomad Secret Backend - HTTP API	Nomad	api-http-secret-nomad	This is the API documentation for the Vault Nomad secret backend.

Nomad Secret Backend HTTP API

This is the API documentation for the Vault Nomad secret backend. For general information about the usage and operation of the Nomad backend, please see the Vault Nomad backend documentation.

This documentation assumes the Nomad backend is mounted at the /nomad path in Vault. Since it is possible to mount secret backends at any location, please update your API calls accordingly.

Configure Access

This endpoint configures the access information for Nomad. This access information is used so that Vault can communicate with Nomad and generate Nomad tokens.

Method	Path	Produces
POST	/nomad/config/access	204 (empty body)

Parameters

• address (string: "") – Specifies the address of the Nomad instance, provided as "protocol://host:port" like "http://127.0.0.1:4646". This value can also be provided on individual calls with the NOMAD_ADDR environment variable.

• token (string: "") – Specifies the Nomad Management token to use. This value can also be provided on individual calls with the NOMAD_TOKEN environment variable.

• max_token_name_length (int: <optional>) – Specifies the maximum length to use for the name of the Nomad token generated with Generate Credential. If omitted, 0 is used and ignored, defaulting to the max value allowed by the Nomad version. For Nomad versions 0.8.3 and earlier, the default is 64. For Nomad version 0.8.4 and later, the default is 256.

Sample Payload

{
  "address": "http://127.0.0.1:4646",
  "token": "adha...",
  "max_token_name_length": 256
}

Sample Request

$ curl \
    --request POST \
    --header "X-Vault-Token: ..." \
    --data @payload.json \
    http://127.0.0.1:8200/v1/nomad/config/access

Read Access Configuration

This endpoint queries for information about the Nomad connection.

Method	Path	Produces
GET	/nomad/config/access	200 application/json

Sample Request

$ curl \
    --header "X-Vault-Token: ..." \
    http://127.0.0.1:8200/v1/nomad/config/access

Sample Response

  "data": {
    "address": "http://localhost:4646/"
  }

Configure Lease

This endpoint configures the lease settings for generated tokens.

Method	Path	Produces
POST	/nomad/config/lease	204 (empty body)

Parameters

• ttl (string: "") – Specifies the ttl for the lease. This is provided as a string duration with a time suffix like "30s" or "1h" or as total seconds.

• max_ttl (string: "") – Specifies the max ttl for the lease. This is provided as a string duration with a time suffix like "30s" or "1h" or as total seconds.

Sample Payload

{
  "ttl": 1800,
  "max_ttl": 3600
}

Sample Request

$ curl \
    --header "X-Vault-Token: ..." \
    --request POST \
    --data @payload.json \
    http://127.0.0.1:8200/v1/nomad/config/lease

Read Lease Configuration

This endpoint queries for information about the Lease TTL for the specified mount.

Method	Path	Produces
GET	/nomad/config/lease	200 application/json

Sample Request

$ curl \
    --header "X-Vault-Token: ..." \
    http://127.0.0.1:8200/v1/nomad/config/lease

Sample Response

  "data": {
    "max_ttl": 86400,
    "ttl": 86400
  }

Delete Lease Configuration

This endpoint deletes the lease configuration.

Method	Path	Produces
DELETE	/nomad/config/lease	204 (empty body)

Sample Request

$ curl \
    --header "X-Vault-Token: ..." \
    --request DELETE \
    http://127.0.0.1:8200/v1/nomad/config/lease

Create/Update Role

This endpoint creates or updates the Nomad role definition in Vault. If the role does not exist, it will be created. If the role already exists, it will receive updated attributes.

Method	Path	Produces
POST	/nomad/role/:name	204 (empty body)

Parameters

• name (string: <required>) – Specifies the name of an existing role against which to create this Nomad tokens. This is part of the request URL.

• policies (string: "") – Comma separated list of Nomad policies the token is going to be created against. These need to be created beforehand in Nomad.

• global (bool: "false") – Specifies if the token should be global, as defined in the Nomad Documentation. ma

• type (string: "client") - Specifies the type of token to create when using this role. Valid values are "client" or "management".

Sample Payload

To create a client token with a custom policy:

{
  "policies": "readonly"
}

Sample Request

$ curl \
    --request POST \
    --header "X-Vault-Token: ..." \
    --data @payload.json \
    http://127.0.0.1:8200/v1/nomad/role/monitoring

Read Role

This endpoint queries for information about a Nomad role with the given name. If no role exists with that name, a 404 is returned.

Method	Path	Produces
GET	/nomad/role/:name	200 application/json

Parameters

• name (string: <required>) – Specifies the name of the role to query. This is part of the request URL.

Sample Request

$ curl \
    --header "X-Vault-Token: ..." \
    http://127.0.0.1:8200/v1/nomad/role/monitoring

Sample Response

{
  "data": {
    "lease": "0s",
    "policies": [
      "example"
    ],
    "token_type": "client"
  }
}

List Roles

This endpoint lists all existing roles in the backend.

Method	Path	Produces
LIST	/nomad/role	200 application/json
GET	/nomad/role?list=true	200 application/json

Sample Request

$ curl \
    --header "X-Vault-Token: ..." \
    --request LIST \
    http://127.0.0.1:8200/v1/nomad/role

Sample Response

{
  "data": {
    "keys": [
      "example"
    ]
  }
}

Delete Role

This endpoint deletes a Nomad role with the given name. Even if the role does not exist, this endpoint will still return a successful response.

Method	Path	Produces
DELETE	/nomad/role/:name	204 (empty body)

Parameters

• name (string: <required>) – Specifies the name of the role to delete. This is part of the request URL.

Sample Request

$ curl \
    --request DELETE \
    --header "X-Vault-Token: ..." \
    http://127.0.0.1:8200/v1/nomad/role/example-role

Generate Credential

This endpoint generates a dynamic Nomad token based on the given role definition.

Method	Path	Produces
GET	/nomad/creds/:name	200 application/json

Parameters

• name (string: <required>) – Specifies the name of an existing role against which to create this Nomad token. This is part of the request URL.

Sample Request

$ curl \
    --header "X-Vault-Token: ..." \
    http://127.0.0.1:8200/v1/nomad/creds/example

Sample Response

{
  "data": {
    "accessor_id": "c834ba40-8d84-b0c1-c084-3a31d3383c03",
    "secret_id": "65af6f07-7f57-bb24-cdae-a27f86a894ce"
  }
}