openapi: 3.1.0
info:
  title: HashiCorp Nomad HTTP ACL Deployments API
  description: The HashiCorp Nomad HTTP API provides programmatic access to all Nomad functionality including job scheduling, allocation management, node operations, deployments, services, evaluations, namespaces, ACL policies, and cluster status. All API routes are prefixed with /v1/ and the default port is 4646. The API is RESTful, responds to standard HTTP verbs, and supports ACL token authentication via the X-Nomad-Token header or Bearer scheme.
  version: 1.9.0
  contact:
    name: HashiCorp Support
    url: https://support.hashicorp.com
  termsOfService: https://www.hashicorp.com/terms-of-service
  license:
    name: Business Source License 1.1
    url: https://github.com/hashicorp/nomad/blob/main/LICENSE
servers:
- url: http://localhost:4646/v1
  description: Local Nomad Agent
security:
- nomadToken: []
- bearerAuth: []
tags:
- name: Deployments
  description: Endpoints for querying and managing deployments. Deployments track the rolling update of allocations between two versions of a job.
paths:
  /deployments:
    get:
      operationId: listDeployments
      summary: List deployments
      description: Lists all deployments in the system. Supports pagination via next_token.
      tags:
      - Deployments
      parameters:
      - $ref: '#/components/parameters/PrefixParam'
      - $ref: '#/components/parameters/NamespaceParam'
      - $ref: '#/components/parameters/NextTokenParam'
      - $ref: '#/components/parameters/PerPageParam'
      - $ref: '#/components/parameters/FilterParam'
      responses:
        '200':
          description: A list of deployments
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/Deployment'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '500':
          $ref: '#/components/responses/InternalError'
  /deployment/{deploymentID}:
    get:
      operationId: readDeployment
      summary: Read a deployment
      description: Returns the full details of the specified deployment.
      tags:
      - Deployments
      parameters:
      - $ref: '#/components/parameters/DeploymentIDParam'
      responses:
        '200':
          description: Deployment details
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Deployment'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
        '500':
          $ref: '#/components/responses/InternalError'
  /deployment/allocations/{deploymentID}:
    get:
      operationId: listDeploymentAllocations
      summary: List deployment allocations
      description: Returns a list of allocations associated with the specified deployment.
      tags:
      - Deployments
      parameters:
      - $ref: '#/components/parameters/DeploymentIDParam'
      responses:
        '200':
          description: A list of allocation stubs
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/AllocationListStub'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
        '500':
          $ref: '#/components/responses/InternalError'
  /deployment/fail/{deploymentID}:
    put:
      operationId: failDeployment
      summary: Fail a deployment
      description: Marks the specified deployment as failed. This causes Nomad to stop the deployment and revert to the previous stable version of the job if configured to do so.
      tags:
      - Deployments
      parameters:
      - $ref: '#/components/parameters/DeploymentIDParam'
      responses:
        '200':
          description: Deployment failed
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/DeploymentUpdateResponse'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
        '500':
          $ref: '#/components/responses/InternalError'
  /deployment/pause/{deploymentID}:
    put:
      operationId: pauseDeployment
      summary: Pause or resume a deployment
      description: Pauses or resumes a rolling deployment. While paused, no new allocations will be placed for the deployment.
      tags:
      - Deployments
      parameters:
      - $ref: '#/components/parameters/DeploymentIDParam'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
              - Pause
              properties:
                Pause:
                  type: boolean
                  description: If true, pauses the deployment. If false, resumes it.
      responses:
        '200':
          description: Deployment updated
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/DeploymentUpdateResponse'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '500':
          $ref: '#/components/responses/InternalError'
  /deployment/promote/{deploymentID}:
    put:
      operationId: promoteDeployment
      summary: Promote a deployment
      description: Promotes canary allocations in the specified deployment, moving them to the main allocation set.
      tags:
      - Deployments
      parameters:
      - $ref: '#/components/parameters/DeploymentIDParam'
      requestBody:
        content:
          application/json:
            schema:
              type: object
              properties:
                All:
                  type: boolean
                  description: If true, promotes all canary allocations.
                Groups:
                  type: array
                  items:
                    type: string
                  description: A list of task group names to promote.
      responses:
        '200':
          description: Deployment promoted
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/DeploymentUpdateResponse'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '500':
          $ref: '#/components/responses/InternalError'
components:
  schemas:
    DeploymentUpdateResponse:
      type: object
      description: Response from a deployment update operation.
      properties:
        EvalID:
          type: string
        EvalCreateIndex:
          type: integer
        DeploymentModifyIndex:
          type: integer
    Deployment:
      type: object
      description: A deployment tracks a rolling update of allocations between two versions of a job.
      properties:
        ID:
          type: string
          description: The unique ID of the deployment.
        Namespace:
          type: string
        JobID:
          type: string
        JobVersion:
          type: integer
        JobModifyIndex:
          type: integer
        JobSpecModifyIndex:
          type: integer
        JobCreateIndex:
          type: integer
        Status:
          type: string
          description: The current status of the deployment.
          enum:
          - running
          - paused
          - failed
          - successful
          - cancelled
        StatusDescription:
          type: string
        TaskGroups:
          type: object
          additionalProperties:
            type: object
            properties:
              AutoRevert:
                type: boolean
              AutoPromote:
                type: boolean
              Promoted:
                type: boolean
              DesiredCanaries:
                type: integer
              DesiredTotal:
                type: integer
              PlacedAllocs:
                type: integer
              HealthyAllocs:
                type: integer
              UnhealthyAllocs:
                type: integer
              RequireProgressBy:
                type: string
                format: date-time
        CreateIndex:
          type: integer
        ModifyIndex:
          type: integer
    AllocationListStub:
      type: object
      description: A stub representation of an allocation returned in list operations.
      properties:
        ID:
          type: string
        EvalID:
          type: string
        Name:
          type: string
        Namespace:
          type: string
        NodeID:
          type: string
        NodeName:
          type: string
        JobID:
          type: string
        JobVersion:
          type: integer
        TaskGroup:
          type: string
        DesiredStatus:
          type: string
        ClientStatus:
          type: string
        DeploymentStatus:
          type: object
          properties:
            Healthy:
              type: boolean
            Canary:
              type: boolean
        CreateIndex:
          type: integer
        ModifyIndex:
          type: integer
        CreateTime:
          type: integer
          format: int64
        ModifyTime:
          type: integer
          format: int64
  responses:
    NotFound:
      description: Resource not found
      content:
        application/json:
          schema:
            type: object
            properties:
              message:
                type: string
    Unauthorized:
      description: Unauthorized - missing or invalid ACL token
      content:
        application/json:
          schema:
            type: object
            properties:
              message:
                type: string
    InternalError:
      description: Internal server error
      content:
        application/json:
          schema:
            type: object
            properties:
              message:
                type: string
  parameters:
    PerPageParam:
      name: per_page
      in: query
      description: Maximum number of results to return per page.
      schema:
        type: integer
    FilterParam:
      name: filter
      in: query
      description: Specifies the expression used to filter the results.
      schema:
        type: string
    NamespaceParam:
      name: namespace
      in: query
      description: The target namespace. Defaults to the default namespace.
      schema:
        type: string
    NextTokenParam:
      name: next_token
      in: query
      description: Indicates where to start paging for queries that support pagination.
      schema:
        type: string
    DeploymentIDParam:
      name: deploymentID
      in: path
      required: true
      description: The ID of the deployment.
      schema:
        type: string
    PrefixParam:
      name: prefix
      in: query
      description: Specifies a string to filter results based on an ID prefix.
      schema:
        type: string
  securitySchemes:
    nomadToken:
      type: apiKey
      name: X-Nomad-Token
      in: header
      description: ACL token passed via the X-Nomad-Token request header.
    bearerAuth:
      type: http
      scheme: bearer
      description: ACL token passed via the Authorization header with Bearer scheme.
externalDocs:
  description: Nomad HTTP API Documentation
  url: https://developer.hashicorp.com/nomad/api-docs