Add mount devices to API. (#69)

* add room devices to API.

* devicese one 1:1 mapping.

* add devices to gui.

* get used devices.

* rename gpu support to nvidia gpu.

OpenApi.yml

@@ -354,6 +354,11 @@ components:
           items:
             type: string
             example: all
+        devices:
+          type: array
+          items:
+            type: string
+            example: /dev/dri/renderD128
 
     RoomSettings:
       type: object

client/src/api/api.ts

@@ -375,6 +375,12 @@ export interface RoomResources {
      * @memberof RoomResources
      */
     'gpus'?: Array<string>;
+    /**
+     * 
+     * @type {Array<string>}
+     * @memberof RoomResources
+     */
+    'devices'?: Array<string>;
 }
 /**
  * 

client/src/components/RoomInfo.vue

@@ -174,6 +174,7 @@
             <tr><th> CPU Shares </th><td :title="settings.resources.cpu_shares"><span v-if="settings.resources.cpu_shares">{{ settings.resources.cpu_shares }}</span><i v-else>--undefined--</i></td></tr>
             <tr><th> Shared memory </th><td :title="settings.resources.shm_size">{{ settings.resources.shm_size | memory }}</td></tr>
             <tr><th> GPUs </th><td><span v-if="settings.resources.gpus && settings.resources.gpus.length > 0">{{ settings.resources.gpus.join(",") }}</span><i v-else>--not used--</i></td></tr>
+            <tr><th> Devices </th><td><span v-if="settings.resources.devices && settings.resources.devices.length > 0">{{ settings.resources.devices.join(",") }}</span><i v-else>--none--</i></td></tr>
           </tbody>
         </template>
       </v-simple-table>

client/src/components/RoomsCreate.vue

@@ -351,6 +351,7 @@
                 :max="20*1e9"
                 :step="0.2*1e9"
                 color="blue"
+                hide-details
               >
                 <template v-slot:thumb-label="{ value }">
                   <span v-if="value">{{ value | memory }}</span>
@@ -361,9 +362,40 @@
             <v-col>
               <v-checkbox
                 @change="$set(data.resources, 'gpus', $event ? ['all'] : [])"
-                label="Enable GPU support"
+                label="Enable Nvidia GPU support"
+                hide-details
                 class="shrink ml-2 mt-0"
               ></v-checkbox>
+            <div style="margin-left: 41px;"><i>Nvidia docker runtime is required.</i></div>
+            </v-col>
+          </v-row>
+          <v-row align="center">
+            <v-col class="pt-0">
+              <v-combobox class="pt-0"
+                label="Devices"
+                v-model="data.resources.devices"
+                :items="[ '/dev/dri/renderD128' ]"
+                multiple
+              >
+                <template v-slot:selection="{ attrs, item, parent, selected }">
+                  <v-chip
+                    v-bind="attrs"
+                    :input-value="selected"
+                    label
+                    small
+                  >
+                    <span class="pr-2">
+                      {{ item }}
+                    </span>
+                    <v-icon
+                      small
+                      @click="parent.selectItem(item)"
+                    >
+                      $delete
+                    </v-icon>
+                  </v-chip>
+                </template>
+              </v-combobox>
             </v-col>
           </v-row>
         </template>

client/src/store/state.ts

@@ -75,6 +75,7 @@ export const state = {
       memory: 0,
       // eslint-disable-next-line
       shm_size: 2000000000,
+      devices: [],
     },
   } as RoomSettings,
   videoCodecs: [

internal/room/manager.go

@@ -401,6 +401,19 @@ func (manager *RoomManagerCtx) Create(settings types.RoomSettings) (string, erro
 		deviceRequests = append(deviceRequests, gpuOpts.Value()...)
 	}
 
+	//
+	// Set container devices
+	//
+
+	var devices []container.DeviceMapping
+	for _, device := range settings.Resources.Devices {
+		devices = append(devices, container.DeviceMapping{
+			PathOnHost:        device,
+			PathInContainer:   device,
+			CgroupPermissions: "rwm",
+		})
+	}
+
 	//
 	// Set container configs
 	//
@@ -447,6 +460,7 @@ func (manager *RoomManagerCtx) Create(settings types.RoomSettings) (string, erro
 			NanoCPUs:       settings.Resources.NanoCPUs,
 			Memory:         settings.Resources.Memory,
 			DeviceRequests: deviceRequests,
+			Devices:        devices,
 		},
 		// Privileged
 		Privileged: isPrivilegedImage,
@@ -610,12 +624,23 @@ func (manager *RoomManagerCtx) GetSettings(id string) (*types.RoomSettings, erro
 			}
 		}
 
+		devices := []string{}
+		for _, dev := range container.HostConfig.Devices {
+			// TODO: dev.CgroupPermissions
+			if dev.PathOnHost == dev.PathInContainer {
+				devices = append(devices, dev.PathOnHost)
+			} else {
+				devices = append(devices, fmt.Sprintf("%s:%s", dev.PathOnHost, dev.PathInContainer))
+			}
+		}
+
 		roomResources = types.RoomResources{
 			CPUShares: container.HostConfig.CPUShares,
 			NanoCPUs:  container.HostConfig.NanoCPUs,
 			ShmSize:   container.HostConfig.ShmSize,
 			Memory:    container.HostConfig.Memory,
 			Gpus:      gpus,
+			Devices:   devices,
 		}
 	}
 

internal/types/room.go

@@ -67,6 +67,7 @@ type RoomResources struct {
 	ShmSize   int64    `json:"shm_size"`   // in bytes
 	Memory    int64    `json:"memory"`     // in bytes
 	Gpus      []string `json:"gpus"`       // gpu opts
+	Devices   []string `json:"devices"`
 }
 
 type RoomSettings struct {