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OpenAPI Specification

openapi: 3.1.0
info:
  title: smolfleet apikeys MicroVMs API
  description: Control plane for smolvm — deploy and run machines across a cluster.
  license:
    name: Apache-2.0
  version: 0.1.0
servers:
- url: https://api.smolmachines.com
  description: Hosted smolfleet
tags:
- name: MicroVMs
  description: Persistent microVM management
paths:
  /api/v1/microvms:
    get:
      tags:
      - MicroVMs
      summary: List all microvms.
      operationId: list_microvms
      responses:
        '200':
          description: List of microvms
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ListMicrovmsResponse'
        '500':
          description: Database error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ApiErrorResponse'
    post:
      tags:
      - MicroVMs
      summary: Create a new microvm.
      operationId: create_microvm
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CreateMicrovmRequest'
        required: true
      responses:
        '200':
          description: MicroVM created
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/MicrovmInfo'
        '400':
          description: Invalid request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ApiErrorResponse'
        '409':
          description: MicroVM already exists
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ApiErrorResponse'
  /api/v1/microvms/{name}:
    get:
      tags:
      - MicroVMs
      summary: Get microvm status.
      operationId: get_microvm
      parameters:
      - name: name
        in: path
        description: MicroVM name
        required: true
        schema:
          type: string
      responses:
        '200':
          description: MicroVM details
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/MicrovmInfo'
        '404':
          description: MicroVM not found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ApiErrorResponse'
    delete:
      tags:
      - MicroVMs
      summary: Delete a microvm.
      operationId: delete_microvm
      parameters:
      - name: name
        in: path
        description: MicroVM name
        required: true
        schema:
          type: string
      responses:
        '200':
          description: MicroVM deleted
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/DeleteResponse'
        '404':
          description: MicroVM not found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ApiErrorResponse'
        '500':
          description: Failed to delete
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ApiErrorResponse'
  /api/v1/microvms/{name}/exec:
    post:
      tags:
      - MicroVMs
      summary: Execute a command in a microvm.
      operationId: exec_microvm
      parameters:
      - name: name
        in: path
        description: MicroVM name
        required: true
        schema:
          type: string
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/MicrovmExecRequest'
        required: true
      responses:
        '200':
          description: Command executed
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ExecResponse'
        '400':
          description: Invalid request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ApiErrorResponse'
        '404':
          description: MicroVM not found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ApiErrorResponse'
        '409':
          description: MicroVM not running
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ApiErrorResponse'
        '500':
          description: Execution failed
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ApiErrorResponse'
  /api/v1/microvms/{name}/start:
    post:
      tags:
      - MicroVMs
      summary: Start a microvm.
      operationId: start_microvm
      parameters:
      - name: name
        in: path
        description: MicroVM name
        required: true
        schema:
          type: string
      responses:
        '200':
          description: MicroVM started
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/MicrovmInfo'
        '404':
          description: MicroVM not found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ApiErrorResponse'
        '500':
          description: Failed to start
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ApiErrorResponse'
  /api/v1/microvms/{name}/stop:
    post:
      tags:
      - MicroVMs
      summary: Stop a microvm.
      operationId: stop_microvm
      parameters:
      - name: name
        in: path
        description: MicroVM name
        required: true
        schema:
          type: string
      responses:
        '200':
          description: MicroVM stopped
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/MicrovmInfo'
        '404':
          description: MicroVM not found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ApiErrorResponse'
        '500':
          description: Failed to stop
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ApiErrorResponse'
components:
  schemas:
    ApiErrorResponse:
      type: object
      description: API error response.
      required:
      - error
      - code
      properties:
        code:
          type: string
          description: Error code.
          example: NOT_FOUND
        error:
          type: string
          description: Error message.
          example: sandbox 'test' not found
    DeleteResponse:
      type: object
      description: Generic delete response.
      required:
      - deleted
      properties:
        deleted:
          type: string
          description: Name of deleted resource.
          example: my-sandbox
    PortSpec:
      type: object
      description: Port mapping specification.
      required:
      - host
      - guest
      properties:
        guest:
          type: integer
          format: int32
          description: Port inside the sandbox.
          example: 80
          minimum: 0
        host:
          type: integer
          format: int32
          description: Port on the host.
          example: 8080
          minimum: 0
    MicrovmInfo:
      type: object
      description: MicroVM status information.
      required:
      - name
      - state
      - cpus
      - memoryMb
      - mounts
      - ports
      - network
      - createdAt
      properties:
        cpus:
          type: integer
          format: int32
          description: Number of vCPUs.
          example: 2
          minimum: 0
        createdAt:
          type: string
          description: Creation timestamp.
        memoryMb:
          type: integer
          format: int32
          description: Memory in MiB.
          example: 1024
          minimum: 0
        mounts:
          type: integer
          description: Number of configured mounts.
          minimum: 0
        name:
          type: string
          description: MicroVM name.
          example: my-vm
        network:
          type: boolean
          description: Whether outbound network access is enabled.
        pid:
          type:
          - integer
          - 'null'
          format: int32
          description: Process ID (if running).
          example: 12345
        ports:
          type: integer
          description: Number of configured ports.
          minimum: 0
        state:
          type: string
          description: Current state ("created", "running", "stopped").
          example: running
    ExecResponse:
      type: object
      description: Command execution result.
      required:
      - exitCode
      - stdout
      - stderr
      properties:
        exitCode:
          type: integer
          format: int32
          description: Exit code.
          example: 0
        stderr:
          type: string
          description: Standard error.
          example: ''
        stdout:
          type: string
          description: Standard output.
          example: 'hello

            '
    MicrovmExecRequest:
      type: object
      description: Request to execute a command in a microvm.
      required:
      - command
      properties:
        command:
          type: array
          items:
            type: string
          description: Command and arguments.
          example:
          - echo
          - hello
        env:
          type: array
          items:
            $ref: '#/components/schemas/EnvVar'
          description: Environment variables.
        timeoutSecs:
          type:
          - integer
          - 'null'
          format: int64
          description: Timeout in seconds.
          minimum: 0
        workdir:
          type:
          - string
          - 'null'
          description: Working directory.
    MountSpec:
      type: object
      description: Mount specification (for requests).
      required:
      - source
      - target
      properties:
        readonly:
          type: boolean
          description: Read-only mount.
        source:
          type: string
          description: Host path to mount.
          example: /Users/me/code
        target:
          type: string
          description: Path inside the sandbox.
          example: /workspace
    ListMicrovmsResponse:
      type: object
      description: List microvms response.
      required:
      - microvms
      properties:
        microvms:
          type: array
          items:
            $ref: '#/components/schemas/MicrovmInfo'
          description: List of microvms.
    EnvVar:
      type: object
      description: Environment variable.
      required:
      - name
      - value
      properties:
        name:
          type: string
          description: Variable name.
          example: MY_VAR
        value:
          type: string
          description: Variable value.
          example: my_value
    CreateMicrovmRequest:
      type: object
      description: Request to create a new microvm.
      required:
      - name
      properties:
        cpus:
          type: integer
          format: int32
          description: Number of vCPUs.
          example: 2
          minimum: 0
        memoryMb:
          type: integer
          format: int32
          description: Memory in MiB.
          example: 1024
          minimum: 0
        mounts:
          type: array
          items:
            $ref: '#/components/schemas/MountSpec'
          description: Host mounts to attach.
        name:
          type: string
          description: Unique name for the microvm.
          example: my-vm
        network:
          type: boolean
          description: 'Enable outbound network access (TSI).

            Note: Only TCP/UDP supported, not ICMP (ping).'
        overlayGb:
          type:
          - integer
          - 'null'
          format: int64
          description: 'Overlay disk size in GiB (default: 2).'
          minimum: 0
        ports:
          type: array
          items:
            $ref: '#/components/schemas/PortSpec'
          description: Port mappings (host:guest).
        storageGb:
          type:
          - integer
          - 'null'
          format: int64
          description: 'Storage disk size in GiB (default: 20).'
          minimum: 0