openapi: 3.0.0
info:
  version: v0.7.3
  title: Garage Administration API v0+garage-v0.7.3
  description: |
    Administrate your Garage cluster programatically, including status, layout, keys, buckets, and maintainance tasks.
    
    *Disclaimer: The API is not stable yet, hence its v0 tag. The API can change at any time, and changes can include breaking backward compatibility. Read the changelog and upgrade your scripts before upgrading. Additionnaly, this specification is very early stage and can contain bugs, especially on error return codes/types that are not tested yet. Do not expect a well finished and polished product!*
paths: 
  /status:
    get:
      tags: 
        - Nodes
      operationId: "GetNodes"
      summary: "Status of this node and other nodes in the cluster"
      description: |
        Returns the cluster's current status, including:
         - ID of the node being queried and its version of the Garage daemon
         - Live nodes
         - Currently configured cluster layout
         - Staged changes to the cluster layout
      responses:
        '500':
          description: |
            The server can not answer your request because it is in a bad state
        '200':
          description: |
            Information about the queried node, its environment and the current layout
          content:
            application/json:
              schema:
                type: object
                required: [ node, garageVersion, knownNodes, layout ]
                properties:
                  node: 
                    type: string
                    example: "ec79480e0ce52ae26fd00c9da684e4fa56658d9c64cdcecb094e936de0bfe71f"
                  garageVersion:
                    type: string
                    example: "v0.7.3"
                  knownNodes:
                    type: object
                    example:
                      "ec79480e0ce52ae26fd00c9da684e4fa56658d9c64cdcecb094e936de0bfe71f":
                        addr: "10.0.0.11:3901"
                        is_up: true
                        last_seen_secs_ago: 9
                        hostname: orion
                      "4a6ae5a1d0d33bf895f5bb4f0a418b7dc94c47c0dd2eb108d1158f3c8f60b0ff":
                        addr: "10.0.0.12:3901"
                        is_up: true
                        last_seen_secs_ago: 13
                        hostname: pegasus
                      "e2ee7984ee65b260682086ec70026165903c86e601a4a5a501c1900afe28d84b":
                        addr: "10.0.0.13:3901"
                        is_up: true
                        last_seen_secs_ago: 2
                        hostname: neptune
                    additionalProperties:
                      $ref: '#/components/schemas/NodeNetworkInfo'
                  layout:
                    $ref: '#/components/schemas/ClusterLayout'
                          
  /connect:
    post:
      tags:
        - Nodes
      operationId: "AddNode"
      summary: "Connect target node to other Garage nodes"
      description: |
        Instructs this Garage node to connect to other Garage nodes at specified `<node_id>@<net_address>`. `node_id` is generated automatically on node start.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: array
              example:
                - "ec79480e0ce52ae26fd00c9da684e4fa56658d9c64cdcecb094e936de0bfe71f@10.0.0.11:3901"
                - "4a6ae5a1d0d33bf895f5bb4f0a418b7dc94c47c0dd2eb108d1158f3c8f60b0ff@10.0.0.12:3901"
              items:
                type: string
                
      responses:
        '500':
          description: |
            The server can not answer your request because it is in a bad state
        '400':
          description: |
            Your request is malformed, check your JSON
        '200':
          description: |
            The request has been handled correctly but it does not mean that all connection requests succeeded; some might have fail, you need to check the body!
          content:
            application/json:
              schema:
                type: array
                example:
                  - success: true
                    error:
                  - success: false
                    error: "Handshake error"
                items:
                  type: object
                  properties:
                    success:
                      type: boolean
                      example: true
                    error:
                      type: string
                      nullable: true
                      example: 
                
  /layout:
    get:
      tags:
        - Layout
      operationId: "GetLayout"
      summary: "Details on the current and staged layout"
      description: |
        Returns the cluster's current layout, including:
          - Currently configured cluster layout
          - Staged changes to the cluster layout
          
        *The info returned by this endpoint is a subset of the info returned by `GET /status`.*
      responses:
        '500':
          description: |
            The server can not answer your request because it is in a bad state
        '200':
          description: |
            Returns the cluster's current cluster layout:
              - Currently configured cluster layout
              - Staged changes to the cluster layout
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ClusterLayout'
                
    post:
      tags:
        - Layout
      operationId: "AddLayout"
      summary: "Send modifications to the cluster layout"
      description: |
        Send modifications to the cluster layout. These modifications will be included in the staged role changes, visible in subsequent calls of `GET /layout`. Once the set of staged changes is satisfactory, the user may call `POST /layout/apply` to apply the changed changes, or `POST /layout/revert` to clear all of the staged changes in the layout.
      requestBody:
        description: |
          To add a new node to the layout or to change the configuration of an existing node, simply set the values you want.
          To remove a node, set it to `null` instead of passing a configuration object.
        
          Contrary to the CLI that may update only a subset of the fields capacity, zone and tags, when calling this API all of these values must be specified.
        required: true
        content:
          application/json:
            schema:
              type: object
              example:
                "e2ee7984ee65b260682086ec70026165903c86e601a4a5a501c1900afe28d84b":
                  zone: "geneva"
                  capacity: 4
                  tags:
                    - gateway
                "4a6ae5a1d0d33bf895f5bb4f0a418b7dc94c47c0dd2eb108d1158f3c8f60b0ff":
                
              additionalProperties:
                $ref: '#/components/schemas/NodeClusterInfo'
      responses:
        '500':
          description: "The server can not handle your request. Check your connectivity with the rest of the cluster."
        '400':
          description: "Invalid syntax or requested change"
        '200':
          description: "The layout modification has been correctly staged"
          
  /layout/apply:
    post:
      tags:
        - Layout
      operationId: "ApplyLayout"
      summary: "Apply staged layout"
      description: |
        Applies to the cluster the layout changes currently registered as staged layout changes.
      requestBody:
        description: |
          Similarly to the CLI, the body must include the version of the new layout that will be created, which MUST be 1 + the value of the currently existing layout in the cluster.
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/LayoutVersion'
              
      responses:
        '500':
          description: "The server can not handle your request. Check your connectivity with the rest of the cluster."
        '400':
          description: "Invalid syntax or requested change"
        '200':
          description: "The staged layout has been applied as the new layout of the cluster, a rebalance has been triggered."
          
  /layout/revert:
    post:
      tags:
        - Layout
      operationId: "RevertLayout"
      summary: "Clear staged layout"
      description: |
        Clears all of the staged layout changes.
      requestBody:
        description: |
          Reverting the staged changes is done by incrementing the version number and clearing the contents of the staged change list. Similarly to the CLI, the body must include the incremented version number, which MUST be 1 + the value of the currently existing layout in the cluster.
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/LayoutVersion'
      responses:
        '500':
          description: "The server can not handle your request. Check your connectivity with the rest of the cluster."
        '400':
          description: "Invalid syntax or requested change"
        '200':
          description: "The staged layout has been cleared, you can start again sending modification from a fresh copy with `POST /layout`."
          
  /key:
    get:
      tags:
        - Key
      operationId: "ListKeys"
      summary: "List all keys"
      description: |
        Returns all API access keys in the cluster.
      responses:
        '500':
          description: "The server can not handle your request. Check your connectivity with the rest of the cluster."
        '200':
          description: |
            Returns the key identifier (aka `AWS_ACCESS_KEY_ID`) and its associated, human friendly, name if any (otherwise return an empty string)
          content:
            application/json:
              schema:
                type: array
                example:
                  - id: "GK31c2f218a2e44f485b94239e"
                    name: "test-key"
                  - id: "GKe10061ac9c2921f09e4c5540"
                    name: ""
                items:
                  type: object
                  required: [ id ]
                  properties:
                    id:
                      type: string
                    name:
                      type: string
    post:
      tags:
        - Key
      operationId: "AddKey"
      summary: "Create a new API key"
      description: |
        Creates a new API access key.
      requestBody:
        description: |
          "You can set a friendly name for this key, send an empty string instead"
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                name:
                  type: string
                  example: "test-key"
      responses:
        '500':
          description: "The server can not handle your request. Check your connectivity with the rest of the cluster."
        '400':
          description: "Invalid syntax or requested change"
        '200':
          description: "The key has been added"
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/KeyInfo'
          
  "/key?id={access_key}":
    get:
      tags:
        - Key
      operationId: "GetKey"
      summary: "Get key information"
      description: |
        Return information about a specific key and return its information
      parameters:
        - name: access_key
          in: path
          required: true
          description: "The exact API access key generated by Garage"
          example: "GK31c2f218a2e44f485b94239e"
          schema:
            type: string
      responses:
        '500':
          description: "The server can not handle your request. Check your connectivity with the rest of the cluster."
        '200':
          description: |
            Returns information about the key
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/KeyInfo'
              
    delete:
      tags: 
        - Key
      operationId: "DeleteKey"
      summary: "Delete a key"
      description: |
       Delete a key from the cluster. Its access will be removed from all the buckets. Buckets are not automatically deleted and can be dangling. You should manually delete them before. 
      parameters:
        - name: access_key
          in: path
          required: true
          description: "The exact API access key generated by Garage"
          example: "GK31c2f218a2e44f485b94239e"
          schema:
            type: string
      responses:
        '500':
          description: "The server can not handle your request. Check your connectivity with the rest of the cluster."
        '200':
          description: "The key has been deleted"

        
    post:
      tags:
        - Key
      operationId: "UpdateKey"
      summary: "Update a key"
      description: |
        Updates information about the specified API access key.
      parameters:
        - name: access_key
          in: path
          required: true
          description: "The exact API access key generated by Garage"
          example: "GK31c2f218a2e44f485b94239e"
          schema:
            type: string
      requestBody:
        description: |
          For a given key, provide a first set with the permissions to grant, and a second set with the permissions to remove
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                name:
                  type: string
                  example: "test-key"
                allow:
                  type: object
                  example:
                  properties:
                    createBucket:
                      type: boolean
                      example: true
                deny:
                  type: object
                  properties:
                    createBucket:
                      type: boolean
                      example: true
      responses:
        '500':
          description: "The server can not handle your request. Check your connectivity with the rest of the cluster."
        '400':
          description: "Invalid syntax or requested change"
        '200':
          description: |
            Returns information about the key
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/KeyInfo'

        
  "/key?search={pattern}":
    get:
      tags:
        - Key
      operationId: "SearchKey"
      summary: "Select key by pattern"
      description: |
        Find the first key matching the given pattern based on its identifier aor friendly name and return its information.
      parameters:
        - name: pattern
          in: path
          required: true
          description: "A pattern (beginning or full string) corresponding to a key identifier or friendly name"
          example: "test-k"
          schema:
            type: string
      responses:
        '500':
          description: "The server can not handle your request. Check your connectivity with the rest of the cluster."
        '200':
          description: |
            Returns information about the key
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/KeyInfo'

  /key/import:
    post:
      tags:
        - Key
      operationId: "ImportKey"
      summary: "Import an existing key"
      description: |
        Imports an existing API key. This feature must only be used for migrations and backup restore.

        **Do not use it to generate custom key identifiers or you will break your Garage cluster.**
      requestBody:
        description: |
          Information on the key to import
        required: true
        content:
          application/json:
            schema:
              type: object
              required: [ name, accessKeyId, secretAccessKey ]
              properties:
                name:
                  type: string
                  example: "test-key"
                accessKeyId:
                  type: string
                  example: "GK31c2f218a2e44f485b94239e"
                secretAccessKey:
                  type: string
                  example: "b892c0665f0ada8a4755dae98baa3b133590e11dae3bcc1f9d769d67f16c3835"
      responses:
        '500':
          description: "The server can not handle your request. Check your connectivity with the rest of the cluster."
        '400':
          description: "Invalid syntax or requested change"
        '200':
          description: "The key has been imported into the system"
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/KeyInfo' 
        
components:
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
  schemas:
    NodeNetworkInfo:
      type: object
      required: [ addr, is_up, last_seen_secs_ago, hostname ]
      properties:
        addr:
          type: string
          example: "10.0.0.11:3901"
        is_up:
          type: boolean
          example: true
        last_seen_secs_ago:
          type: integer
          nullable: true
          example: 9
        hostname:
          type: string
          example: "node1"
    NodeClusterInfo:
      type: object
      required: [ zone, capacity, tags ]
      properties:
        zone:
          type: string
          example: dc1
        capacity:
          type: integer
          example: 4
        tags:
          type: array
          description: |
            User defined tags, put whatever makes sense for you, these tags are not interpreted by Garage
          example:
            - gateway
            - fast
          items:
            type: string
    ClusterLayout:
      type: object
      required: [ version, roles, stagedRoleChanges ]
      properties:
        version:
          type: integer
          example: 12
        roles:
          type: object
          example:
            "ec79480e0ce52ae26fd00c9da684e4fa56658d9c64cdcecb094e936de0bfe71f":
              zone: "madrid"
              capacity: 3
              tags:
                - fast
                - amd64
            "4a6ae5a1d0d33bf895f5bb4f0a418b7dc94c47c0dd2eb108d1158f3c8f60b0ff":
              zone: "geneva"
              capacity: 7
              tags:
                - arm64
          additionalProperties:
            $ref: '#/components/schemas/NodeClusterInfo'
        stagedRoleChanges:
          type: object
          example:
            "e2ee7984ee65b260682086ec70026165903c86e601a4a5a501c1900afe28d84b":
              zone: "geneva"
              capacity: 4
              tags:
                - gateway
          additionalProperties:
            $ref: '#/components/schemas/NodeClusterInfo'
    LayoutVersion:
      type: object
      properties:
        version:
          type: integer
          example: 13
          
    KeyInfo:
      type: object
      properties:
        name:
          type: string
          example: "test-key"
        accessKeyId:
          type: string
          example: "GK31c2f218a2e44f485b94239e"
        secretAccessKey:
          type: string
          example: "b892c0665f0ada8a4755dae98baa3b133590e11dae3bcc1f9d769d67f16c3835"
        permissions:
          type: object
          properties:
            createBucket:
              type: boolean
              example: false
        buckets:
          type: array
          items:
            type: object
            properties:
              id:
                type: string
                example: "70dc3bed7fe83a75e46b66e7ddef7d56e65f3c02f9f80b6749fb97eccb5e1033"
              globalAliases:
                type: array
                items:
                  type: string
                  example: "my-bucket"
              localAliases:
                type: array
                items:
                  type: string
                  example: "GK31c2f218a2e44f485b94239e:localname"
              permissions:
                type: object
                properties:
                  read:
                    type: boolean
                    example: true
                  write:
                    type: boolean
                    example: true
                  owner:
                    type: boolean
                    example: false

security:
  - bearerAuth: []

servers:
  - description: A local server
    url: http://localhost:3903/v0/