implement resources server side.

OpenApi.yml

@@ -281,6 +281,23 @@ components:
           type: string
           example: /home/neko/.config/chromium
 
+    RoomResources:
+      type: object
+      properties:
+        cpu_shares:
+          type: number
+          description: relative weight vs. other containers
+        nano_cpus:
+          type: number
+          description: in units of 10^-9 CPUs
+        shm_size:
+          type: number
+          description: in bytes
+          default: 2000000000
+        memory:
+          type: number
+          description: in bytes
+
     RoomSettings:
       type: object
       properties:
@@ -292,7 +309,7 @@ components:
           example: m1k1o/neko:latest
         max_connections:
           type: number
-          example: 10
+          default: 10
         user_pass:
           type: string
           example: neko
@@ -336,6 +353,8 @@ components:
           type: array
           items:
             $ref: '#/components/schemas/RoomMount'
+        resources:
+          $ref: '#/components/schemas/RoomResources'
         browser_policy:
           $ref: '#/components/schemas/BrowserPolicy'
 

internal/api/rooms.go

@@ -28,7 +28,14 @@ func (manager *ApiManagerCtx) roomsList(w http.ResponseWriter, r *http.Request)
 }
 
 func (manager *ApiManagerCtx) roomCreate(w http.ResponseWriter, r *http.Request) {
-	request := types.RoomSettings{}
+	// Default values
+	request := types.RoomSettings{
+		MaxConnections: 10,
+		Resources: types.RoomResources{
+			ShmSize: 2 * 1e9,
+		},
+	}
+
 	if err := json.NewDecoder(r.Body).Decode(&request); err != nil {
 		http.Error(w, err.Error(), 400)
 		return

internal/room/manager.go

@@ -407,9 +407,15 @@ func (manager *RoomManagerCtx) Create(settings types.RoomSettings) (string, erro
 			"SYS_ADMIN",
 		},
 		// Total shm memory usage
-		ShmSize: 2 * 10e9,
+		ShmSize: settings.Resources.ShmSize,
 		// Mounts specs used by the container
 		Mounts: mounts,
+		// Resources contains container's resources (cgroups config, ulimits...)
+		Resources: container.Resources{
+			CPUShares: settings.Resources.CPUShares,
+			NanoCPUs:  settings.Resources.NanoCPUs,
+			Memory:    settings.Resources.Memory,
+		},
 	}
 
 	networkingConfig := &network.NetworkingConfig{
@@ -528,12 +534,23 @@ func (manager *RoomManagerCtx) GetSettings(id string) (*types.RoomSettings, erro
 		}
 	}
 
+	var roomResources types.RoomResources
+	if container.HostConfig != nil {
+		roomResources = types.RoomResources{
+			CPUShares: container.HostConfig.CPUShares,
+			NanoCPUs:  container.HostConfig.NanoCPUs,
+			ShmSize:   container.HostConfig.ShmSize,
+			Memory:    container.HostConfig.Memory,
+		}
+	}
+
 	settings := types.RoomSettings{
 		Name:           labels.Name,
 		NekoImage:      labels.NekoImage,
 		MaxConnections: labels.Epr.Max - labels.Epr.Min + 1,
 		Mounts:         mounts,
 		BrowserPolicy:  browserPolicy,
+		Resources:      roomResources,
 	}
 
 	err = settings.FromEnv(container.Config.Env)

internal/types/room.go

@@ -54,6 +54,13 @@ type RoomMount struct {
 	ContainerPath string    `json:"container_path"`
 }
 
+type RoomResources struct {
+	CPUShares int64 `json:"cpu_shares"` // relative weight vs. other containers
+	NanoCPUs  int64 `json:"nano_cpus"`  // in units of 10^-9 CPUs
+	ShmSize   int64 `json:"shm_size"`   // in bytes
+	Memory    int64 `json:"memory"`     // in bytes
+}
+
 type RoomSettings struct {
 	Name              string `json:"name"`
 	NekoImage         string `json:"neko_image"`
@@ -75,8 +82,9 @@ type RoomSettings struct {
 
 	BroadcastPipeline string `json:"broadcast_pipeline,omitempty"`
 
-	Envs   map[string]string `json:"envs"`
-	Mounts []RoomMount       `json:"mounts"`
+	Envs      map[string]string `json:"envs"`
+	Mounts    []RoomMount       `json:"mounts"`
+	Resources RoomResources     `json:"resources"`
 
 	BrowserPolicy *BrowserPolicy `json:"browser_policy,omitempty"`
 }