octostore 0.2.2

Distributed locking as a service — one binary, simple HTTP API, SQLite persistence, optional GitHub OAuth
Documentation
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openapi: 3.0.3
info:
  title: OctoStore API
  description: |
    Distributed infrastructure services. That's it.
    
    Simple HTTP services for distributed systems with GitHub authentication.
    Provides distributed locking, rate limiting, feature flags, and config storage.
  version: 1.0.0
  contact:
    name: OctoStore
    url: https://octostore.io
  license:
    name: MIT
servers:
  - url: https://api.octostore.io
    description: Production server
  - url: http://localhost:3000
    description: Development server

security:
  - bearerAuth: []

paths:
  /auth/github:
    get:
      tags:
        - Authentication
      summary: Initiate GitHub OAuth flow
      description: Redirects to GitHub OAuth authorization page
      security: []
      responses:
        '302':
          description: Redirect to GitHub OAuth
          headers:
            Location:
              schema:
                type: string
                example: https://github.com/login/oauth/authorize?client_id=...

  /auth/github/callback:
    get:
      tags:
        - Authentication
      summary: GitHub OAuth callback
      description: Internal callback endpoint for GitHub OAuth flow
      security: []
      parameters:
        - name: code
          in: query
          required: true
          schema:
            type: string
          description: OAuth authorization code from GitHub
        - name: state
          in: query
          required: false
          schema:
            type: string
          description: OAuth state parameter
      responses:
        '200':
          description: Authentication successful
          content:
            application/json:
              schema:
                type: object
                properties:
                  token:
                    type: string
                    description: Bearer token for API access
                  user:
                    type: object
                    properties:
                      login:
                        type: string
                        description: GitHub username
                      avatar_url:
                        type: string
                        description: GitHub avatar URL
                required:
                  - token
                  - user
        '401':
          $ref: '#/components/responses/Unauthorized'

  /auth/token/rotate:
    post:
      tags:
        - Authentication
      summary: Rotate bearer token
      description: Generate a new bearer token, invalidating the current one
      responses:
        '200':
          description: Token rotated successfully
          content:
            application/json:
              schema:
                type: object
                properties:
                  token:
                    type: string
                    description: New bearer token
                required:
                  - token
        '401':
          $ref: '#/components/responses/Unauthorized'

  /locks/{name}/acquire:
    post:
      tags:
        - Locks
      summary: Acquire a lock
      description: |
        Attempt to acquire a distributed lock with the given name.
        Returns the lock status and lease information if successful.
      parameters:
        - $ref: '#/components/parameters/LockName'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                ttl_seconds:
                  type: integer
                  minimum: 1
                  maximum: 3600
                  description: Lock time-to-live in seconds (max 1 hour)
                  example: 60
              required:
                - ttl_seconds
      responses:
        '200':
          description: Lock acquired or already held by caller
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/LockResponse'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '409':
          description: Lock currently held by another user
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/LockConflict'
        '422':
          $ref: '#/components/responses/ValidationError'

  /locks/{name}/release:
    post:
      tags:
        - Locks
      summary: Release a lock
      description: Release a previously acquired lock using its lease ID
      parameters:
        - $ref: '#/components/parameters/LockName'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                lease_id:
                  type: string
                  format: uuid
                  description: Lease ID returned when lock was acquired
                  example: "550e8400-e29b-41d4-a716-446655440000"
              required:
                - lease_id
      responses:
        '200':
          description: Lock released successfully
          content:
            application/json:
              schema:
                type: object
                properties:
                  status:
                    type: string
                    enum: [released]
                  message:
                    type: string
                    example: "Lock released"
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/LockNotFound'
        '422':
          $ref: '#/components/responses/ValidationError'

  /locks/{name}/renew:
    post:
      tags:
        - Locks
      summary: Renew a lock's TTL
      description: Extend the time-to-live of an existing lock
      parameters:
        - $ref: '#/components/parameters/LockName'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                lease_id:
                  type: string
                  format: uuid
                  description: Lease ID of the lock to renew
                  example: "550e8400-e29b-41d4-a716-446655440000"
                ttl_seconds:
                  type: integer
                  minimum: 1
                  maximum: 3600
                  description: New TTL in seconds (max 1 hour)
                  example: 300
              required:
                - lease_id
                - ttl_seconds
      responses:
        '200':
          description: Lock renewed successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/LockResponse'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/LockNotFound'
        '422':
          $ref: '#/components/responses/ValidationError'

  /locks/{name}:
    get:
      tags:
        - Locks
      summary: Get lock status
      description: Check the current status of a specific lock
      parameters:
        - $ref: '#/components/parameters/LockName'
      responses:
        '200':
          description: Lock status retrieved
          content:
            application/json:
              schema:
                oneOf:
                  - $ref: '#/components/schemas/LockResponse'
                  - $ref: '#/components/schemas/LockNotHeld'
        '401':
          $ref: '#/components/responses/Unauthorized'

  /locks:
    get:
      tags:
        - Locks
      summary: List caller's active locks
      description: Get a list of all locks currently held by the authenticated user
      responses:
        '200':
          description: List of active locks
          content:
            application/json:
              schema:
                type: object
                properties:
                  locks:
                    type: array
                    items:
                      $ref: '#/components/schemas/LockInfo'
                  total:
                    type: integer
                    description: Total number of active locks
                    example: 3
        '401':
          $ref: '#/components/responses/Unauthorized'

  /health:
    get:
      tags:
        - System
      summary: Health check
      description: Simple health check endpoint
      security: []
      responses:
        '200':
          description: Service is healthy
          content:
            text/plain:
              schema:
                type: string
                example: "OK"

  /limits/{name}/check:
    post:
      tags:
        - Rate Limits
      summary: Check rate limit
      description: Check if an action is allowed and consume a request if so
      parameters:
        - name: name
          in: path
          required: true
          schema:
            type: string
            minLength: 1
            maxLength: 100
          description: Rate limit name
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                max_requests:
                  type: integer
                  minimum: 1
                  maximum: 10000
                  description: Maximum requests allowed in the window
                window_seconds:
                  type: integer
                  minimum: 1
                  maximum: 86400
                  description: Window size in seconds (max 24 hours)
              required:
                - max_requests
                - window_seconds
      responses:
        '200':
          description: Rate limit check result
          content:
            application/json:
              schema:
                type: object
                properties:
                  allowed:
                    type: boolean
                    description: Whether the request is allowed
                  remaining:
                    type: integer
                    description: Remaining requests in current window
                  reset_at:
                    type: string
                    format: date-time
                    description: When the rate limit window resets
                  retry_after_seconds:
                    type: integer
                    description: Seconds to wait before retrying (only present if allowed=false)
                required:
                  - allowed
                  - remaining
                  - reset_at
        '401':
          $ref: '#/components/responses/Unauthorized'
        '422':
          $ref: '#/components/responses/ValidationError'

  /limits/{name}:
    get:
      tags:
        - Rate Limits
      summary: Get rate limit status
      description: Get current rate limit status without consuming a request
      parameters:
        - name: name
          in: path
          required: true
          schema:
            type: string
          description: Rate limit name
      responses:
        '200':
          description: Rate limit status
          content:
            application/json:
              schema:
                type: object
                properties:
                  allowed:
                    type: boolean
                  remaining:
                    type: integer
                  reset_at:
                    type: string
                    format: date-time
                  retry_after_seconds:
                    type: integer
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          description: Rate limit not found
    delete:
      tags:
        - Rate Limits
      summary: Reset rate limit
      description: Reset a rate limit counter
      parameters:
        - name: name
          in: path
          required: true
          schema:
            type: string
          description: Rate limit name
      responses:
        '200':
          description: Rate limit reset
          content:
            application/json:
              schema:
                type: object
                properties:
                  reset:
                    type: boolean
                    example: true
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          description: Rate limit not found

  /limits:
    get:
      tags:
        - Rate Limits
      summary: List rate limits
      description: List all active rate limits for the user
      responses:
        '200':
          description: List of user rate limits
          content:
            application/json:
              schema:
                type: object
                properties:
                  limits:
                    type: array
                    items:
                      type: object
                      properties:
                        name:
                          type: string
                        max_requests:
                          type: integer
                        window_seconds:
                          type: integer
                        current_count:
                          type: integer
                        remaining:
                          type: integer
                        allowed:
                          type: boolean
                        reset_at:
                          type: string
                          format: date-time
        '401':
          $ref: '#/components/responses/Unauthorized'

  /flags/{name}:
    put:
      tags:
        - Feature Flags
      summary: Set feature flag
      description: Create or update a feature flag
      parameters:
        - name: name
          in: path
          required: true
          schema:
            type: string
            pattern: '^[a-zA-Z0-9_-]+$'
            minLength: 1
            maxLength: 100
          description: Flag name (alphanumeric, underscores, and hyphens only)
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                enabled:
                  type: boolean
                  description: Whether the flag is enabled
                percentage:
                  type: integer
                  minimum: 0
                  maximum: 100
                  description: Percentage rollout (optional)
              required:
                - enabled
      responses:
        '200':
          description: Feature flag set
          content:
            application/json:
              schema:
                type: object
                properties:
                  name:
                    type: string
                  enabled:
                    type: boolean
                  percentage:
                    type: integer
                  created_at:
                    type: string
                    format: date-time
                  updated_at:
                    type: string
                    format: date-time
        '401':
          $ref: '#/components/responses/Unauthorized'
        '422':
          $ref: '#/components/responses/ValidationError'
    get:
      tags:
        - Feature Flags
      summary: Get feature flag
      description: Get feature flag evaluation result
      parameters:
        - name: name
          in: path
          required: true
          schema:
            type: string
          description: Flag name
      responses:
        '200':
          description: Feature flag evaluation
          content:
            application/json:
              schema:
                type: object
                properties:
                  name:
                    type: string
                  enabled:
                    type: boolean
                    description: Evaluated flag result (considers percentage rollout)
        '401':
          $ref: '#/components/responses/Unauthorized'
    delete:
      tags:
        - Feature Flags
      summary: Delete feature flag
      description: Delete a feature flag
      parameters:
        - name: name
          in: path
          required: true
          schema:
            type: string
          description: Flag name
      responses:
        '200':
          description: Feature flag deleted
          content:
            application/json:
              schema:
                type: object
                properties:
                  deleted:
                    type: boolean
                    example: true
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          description: Feature flag not found

  /flags:
    get:
      tags:
        - Feature Flags
      summary: List feature flags
      description: List all feature flags for the user
      responses:
        '200':
          description: List of user feature flags
          content:
            application/json:
              schema:
                type: object
                properties:
                  flags:
                    type: array
                    items:
                      type: object
                      properties:
                        name:
                          type: string
                        enabled:
                          type: boolean
                        percentage:
                          type: integer
                        created_at:
                          type: string
                          format: date-time
                        updated_at:
                          type: string
                          format: date-time
        '401':
          $ref: '#/components/responses/Unauthorized'

  /config/{key}:
    put:
      tags:
        - Config Store
      summary: Set config value
      description: Store a configuration value with optional description
      parameters:
        - name: key
          in: path
          required: true
          schema:
            type: string
            pattern: '^[a-zA-Z0-9._-]+$'
            minLength: 1
            maxLength: 100
          description: Config key (alphanumeric, dots, underscores, and hyphens)
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                value:
                  description: Arbitrary JSON value to store
                description:
                  type: string
                  maxLength: 500
                  description: Optional description
              required:
                - value
      responses:
        '200':
          description: Config value set
          content:
            application/json:
              schema:
                type: object
                properties:
                  key:
                    type: string
                  value:
                    description: The stored JSON value
                  description:
                    type: string
                  version:
                    type: integer
                  created_at:
                    type: string
                    format: date-time
                  updated_at:
                    type: string
                    format: date-time
        '401':
          $ref: '#/components/responses/Unauthorized'
        '422':
          $ref: '#/components/responses/ValidationError'
    get:
      tags:
        - Config Store
      summary: Get config value
      description: Get current config value or specific version
      parameters:
        - name: key
          in: path
          required: true
          schema:
            type: string
          description: Config key
        - name: version
          in: query
          required: false
          schema:
            type: integer
          description: Specific version to retrieve
      responses:
        '200':
          description: Config value
          content:
            application/json:
              schema:
                type: object
                properties:
                  key:
                    type: string
                  value:
                    description: The stored JSON value
                  description:
                    type: string
                  version:
                    type: integer
                  created_at:
                    type: string
                    format: date-time
                  updated_at:
                    type: string
                    format: date-time
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          description: Config not found
    delete:
      tags:
        - Config Store
      summary: Delete config value
      description: Delete a configuration key and all its history
      parameters:
        - name: key
          in: path
          required: true
          schema:
            type: string
          description: Config key
      responses:
        '200':
          description: Config value deleted
          content:
            application/json:
              schema:
                type: object
                properties:
                  deleted:
                    type: boolean
                    example: true
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          description: Config not found

  /config/{key}/history:
    get:
      tags:
        - Config Store
      summary: Get config history
      description: Get version history for a config key
      parameters:
        - name: key
          in: path
          required: true
          schema:
            type: string
          description: Config key
      responses:
        '200':
          description: Config version history
          content:
            application/json:
              schema:
                type: object
                properties:
                  versions:
                    type: array
                    items:
                      type: object
                      properties:
                        version:
                          type: integer
                        value:
                          description: The JSON value
                        description:
                          type: string
                        created_at:
                          type: string
                          format: date-time
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          description: Config not found

  /config:
    get:
      tags:
        - Config Store
      summary: List config keys
      description: List all config keys for the user
      responses:
        '200':
          description: List of user config keys
          content:
            application/json:
              schema:
                type: object
                properties:
                  configs:
                    type: array
                    items:
                      type: object
                      properties:
                        key:
                          type: string
                        description:
                          type: string
                        version:
                          type: integer
                        created_at:
                          type: string
                          format: date-time
                        updated_at:
                          type: string
                          format: date-time
        '401':
          $ref: '#/components/responses/Unauthorized'

components:
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: Bearer token obtained through GitHub OAuth

  parameters:
    LockName:
      name: name
      in: path
      required: true
      schema:
        type: string
        pattern: '^[a-zA-Z0-9_-]+$'
        minLength: 1
        maxLength: 128
      description: Lock name (alphanumeric, underscores, and hyphens only)
      example: "my-resource-lock"

  schemas:
    LockResponse:
      type: object
      properties:
        status:
          type: string
          enum: [acquired, held]
          description: Lock status
        name:
          type: string
          description: Lock name
        lease_id:
          type: string
          format: uuid
          description: Unique lease identifier
        fencing_token:
          type: integer
          description: Monotonically increasing fencing token for safety
        expires_at:
          type: string
          format: date-time
          description: Lock expiration time in RFC3339 format
        holder:
          type: string
          description: GitHub username of the lock holder
      required:
        - status
        - name
        - lease_id
        - fencing_token
        - expires_at
        - holder
      example:
        status: "acquired"
        name: "my-resource"
        lease_id: "550e8400-e29b-41d4-a716-446655440000"
        fencing_token: 42
        expires_at: "2024-01-01T12:00:00Z"
        holder: "username"

    LockConflict:
      type: object
      properties:
        error:
          type: string
          example: "Lock already held"
        lock:
          type: object
          properties:
            name:
              type: string
            holder:
              type: string
              description: Current holder's GitHub username
            expires_at:
              type: string
              format: date-time
      required:
        - error
        - lock

    LockNotHeld:
      type: object
      properties:
        status:
          type: string
          enum: [available]
        name:
          type: string
        message:
          type: string
          example: "Lock not currently held"
      required:
        - status
        - name

    LockInfo:
      type: object
      properties:
        name:
          type: string
          description: Lock name
        lease_id:
          type: string
          format: uuid
          description: Lease identifier
        fencing_token:
          type: integer
          description: Current fencing token
        expires_at:
          type: string
          format: date-time
          description: Lock expiration time
      required:
        - name
        - lease_id
        - fencing_token
        - expires_at

    Error:
      type: object
      properties:
        error:
          type: string
          description: Error message
        details:
          type: string
          description: Additional error details (optional)
      required:
        - error

  responses:
    Unauthorized:
      description: Invalid or missing authentication token
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
          example:
            error: "Invalid or missing authorization header"

    LockNotFound:
      description: Lock not found or not owned by caller
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
          example:
            error: "Lock not found or not owned by caller"

    ValidationError:
      description: Request validation failed
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
          examples:
            invalid_ttl:
              summary: Invalid TTL
              value:
                error: "TTL must be between 1 and 3600 seconds"
            invalid_uuid:
              summary: Invalid lease ID
              value:
                error: "Invalid lease_id format"

tags:
  - name: Authentication
    description: GitHub OAuth and token management
  - name: Locks
    description: Distributed lock operations
  - name: Rate Limits
    description: Rate limiting with sliding windows
  - name: Feature Flags
    description: Feature flag management with percentage rollouts
  - name: Config Store
    description: Configuration storage with versioning
  - name: System
    description: System health and status