Add API endpoint to retrieve sanitized server configuration

docs/swagger.yaml

@@ -1,5 +1,173 @@
 basePath: /api/v1
 definitions:
+  config.AppConfig:
+    properties:
+      auth:
+        $ref: '#/definitions/config.AuthConfig'
+      backends:
+        $ref: '#/definitions/config.BackendConfig'
+      buildTime:
+        type: string
+      commitHash:
+        type: string
+      instances:
+        $ref: '#/definitions/config.InstancesConfig'
+      localNode:
+        type: string
+      nodes:
+        additionalProperties:
+          $ref: '#/definitions/config.NodeConfig'
+        type: object
+      server:
+        $ref: '#/definitions/config.ServerConfig'
+      version:
+        type: string
+    type: object
+  config.AuthConfig:
+    properties:
+      inferenceKeys:
+        description: List of keys for OpenAI compatible inference endpoints
+        items:
+          type: string
+        type: array
+      managementKeys:
+        description: List of keys for management endpoints
+        items:
+          type: string
+        type: array
+      requireInferenceAuth:
+        description: Require authentication for OpenAI compatible inference endpoints
+        type: boolean
+      requireManagementAuth:
+        description: Require authentication for management endpoints
+        type: boolean
+    type: object
+  config.BackendConfig:
+    properties:
+      llamaCpp:
+        $ref: '#/definitions/config.BackendSettings'
+      mlx:
+        $ref: '#/definitions/config.BackendSettings'
+      vllm:
+        $ref: '#/definitions/config.BackendSettings'
+    type: object
+  config.BackendSettings:
+    properties:
+      args:
+        items:
+          type: string
+        type: array
+      command:
+        type: string
+      docker:
+        $ref: '#/definitions/config.DockerSettings'
+      environment:
+        additionalProperties:
+          type: string
+        type: object
+      responseHeaders:
+        additionalProperties:
+          type: string
+        type: object
+    type: object
+  config.DockerSettings:
+    properties:
+      args:
+        items:
+          type: string
+        type: array
+      enabled:
+        type: boolean
+      environment:
+        additionalProperties:
+          type: string
+        type: object
+      image:
+        type: string
+    type: object
+  config.InstancesConfig:
+    properties:
+      autoCreateDirs:
+        description: Automatically create the data directory if it doesn't exist
+        type: boolean
+      dataDir:
+        description: Directory where all llamactl data will be stored (instances.json,
+          logs, etc.)
+        type: string
+      defaultAutoRestart:
+        description: Default auto-restart setting for new instances
+        type: boolean
+      defaultMaxRestarts:
+        description: Default max restarts for new instances
+        type: integer
+      defaultOnDemandStart:
+        description: Default on-demand start setting for new instances
+        type: boolean
+      defaultRestartDelay:
+        description: Default restart delay for new instances (in seconds)
+        type: integer
+      enableLRUEviction:
+        description: Enable LRU eviction for instance logs
+        type: boolean
+      instancesDir:
+        description: Instance config directory override
+        type: string
+      logsDir:
+        description: Logs directory override
+        type: string
+      maxInstances:
+        description: Maximum number of instances that can be created
+        type: integer
+      maxRunningInstances:
+        description: Maximum number of instances that can be running at the same time
+        type: integer
+      onDemandStartTimeout:
+        description: How long to wait for an instance to start on demand (in seconds)
+        type: integer
+      portRange:
+        description: Port range for instances (e.g., 8000,9000)
+        items:
+          type: integer
+        type: array
+      timeoutCheckInterval:
+        description: Interval for checking instance timeouts (in minutes)
+        type: integer
+    type: object
+  config.NodeConfig:
+    properties:
+      address:
+        type: string
+      apikey:
+        type: string
+    type: object
+  config.ServerConfig:
+    properties:
+      allowedHeaders:
+        description: Allowed headers for CORS (e.g., "Accept", "Authorization", "Content-Type",
+          "X-CSRF-Token")
+        items:
+          type: string
+        type: array
+      allowedOrigins:
+        description: Allowed origins for CORS (e.g., "http://localhost:3000")
+        items:
+          type: string
+        type: array
+      enableSwagger:
+        description: Enable Swagger UI for API documentation
+        type: boolean
+      host:
+        description: Server host to bind to
+        type: string
+      port:
+        description: Server port to bind to
+        type: integer
+      responseHeaders:
+        additionalProperties:
+          type: string
+        description: Response headers to send with responses
+        type: object
+    type: object
   instance.Instance:
     properties:
       created:
@@ -13,6 +181,11 @@ definitions:
       auto_restart:
         description: Auto restart
         type: boolean
+      command_override:
+        type: string
+      docker_enabled:
+        description: Execution context overrides
+        type: boolean
       environment:
         additionalProperties:
           type: string
@@ -216,6 +389,23 @@ paths:
       summary: Parse vllm serve command
       tags:
       - Backends
+  /api/v1/config:
+    get:
+      description: Returns the current server configuration (sanitized)
+      responses:
+        "200":
+          description: Sanitized configuration
+          schema:
+            $ref: '#/definitions/config.AppConfig'
+        "500":
+          description: Internal Server Error
+          schema:
+            type: string
+      security:
+      - ApiKeyAuth: []
+      summary: Get server configuration
+      tags:
+      - System
   /api/v1/instances:
     get:
       description: Returns a list of all instances managed by the server