backup

bootserver/config/config.go

@@ -60,6 +60,11 @@ type jsonConf struct {
 		McastGroup string `json:"multicast_group"`
 		SrcAddr    string `json:"src_addr"`
 	} `json:"boot_provider"`
+	HomeAssistant struct {
+		Enabled  bool   `json:"enabled"`
+		Host     string `json:"host"`
+		APIToken string `json:"token"`
+	} `json:"home_assistant"`
 }
 
 type AppConfig struct {
@@ -75,6 +80,9 @@ type AppConfig struct {
 	UDPPort              int
 	UDPIface             string
 	UDPSrcAddr           string
+	HomeAssistantEnabled bool
+	HomeAssistantHost    string
+	HomeAssistantToken   string
 }
 
 func parseLevel(lvlStr string) logrus.Level {
@@ -108,6 +116,9 @@ func (ac *AppConfig) UnmarshalJSON(data []byte) error {
 	ac.UDPSrcAddr = jsonConf.BootProvider.SrcAddr
 	ac.DataFilepath = jsonConf.Storage.Path
 	ac.StaticDir = jsonConf.Storage.StaticDir
+	ac.HomeAssistantEnabled = jsonConf.HomeAssistant.Enabled
+	ac.HomeAssistantHost = jsonConf.HomeAssistant.Host
+	ac.HomeAssistantToken = jsonConf.HomeAssistant.APIToken
 	return nil
 }
 

bootserver/controllers/client/client.go

@@ -7,7 +7,9 @@ import (
 	"io"
 	"net/http"
 
+	"git.faercol.me/faercol/http-boot-server/bootserver/config"
 	"git.faercol.me/faercol/http-boot-server/bootserver/helpers"
+	"git.faercol.me/faercol/http-boot-server/bootserver/homeassistant"
 	"git.faercol.me/faercol/http-boot-server/bootserver/services"
 	"github.com/google/uuid"
 	"github.com/sirupsen/logrus"
@@ -22,13 +24,15 @@ type setBootOptionPayload struct {
 
 type BootController struct {
 	clientService *services.ClientHandlerService
+	appConf       *config.AppConfig
 	l             *logrus.Logger
 }
 
-func NewBootController(logger *logrus.Logger, service *services.ClientHandlerService) *BootController {
+func NewBootController(logger *logrus.Logger, service *services.ClientHandlerService, conf *config.AppConfig) *BootController {
 	return &BootController{
 		clientService: service,
 		l:             logger,
+		appConf:       conf,
 	}
 }
 
@@ -61,6 +65,18 @@ func (bc *BootController) setBootOption(w http.ResponseWriter, r *http.Request)
 		return http.StatusInternalServerError, nil, fmt.Errorf("failed to set boot option for client: %w", err)
 	}
 
+	if bc.appConf.HomeAssistantEnabled {
+		bc.l.Debug("Notifying HomeAssistant of change")
+		newConf, err := bc.clientService.GetClientConfig(clientID)
+		if err != nil {
+			bc.l.Errorf("Failed to get new config to send to HA: %s", err.Error())
+		} else {
+			if err := homeassistant.New(bc.appConf).SendBootOption(r.Context(), newConf.Name, newConf.Options[newConf.SelectedOption].Name); err != nil {
+				bc.l.Errorf("Failed to notify HA: %s", err.Error())
+			}
+		}
+	}
+
 	return http.StatusAccepted, nil, nil
 }
 

bootserver/homeassistant/sender..go

@@ -0,0 +1,80 @@
+package homeassistant
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"time"
+
+	"git.faercol.me/faercol/http-boot-server/bootserver/config"
+	"git.faercol.me/faercol/http-boot-server/bootserver/logger"
+)
+
+type Entity struct {
+	State      string            `json:"state"`
+	ID         string            `json:"-"`
+	Attributes map[string]string `json:"attributes,omitempty"`
+}
+
+func newBootOptionEntity(device, option string) Entity {
+	return Entity{
+		State:      option,
+		ID:         "httpboot." + device,
+		Attributes: nil,
+	}
+}
+
+type HomeAssistantExporter struct {
+	clt     *http.Client
+	baseURL string
+	token   string
+}
+
+func New(conf *config.AppConfig) *HomeAssistantExporter {
+	clt := http.Client{}
+	return &HomeAssistantExporter{
+		clt:     &clt,
+		baseURL: conf.HomeAssistantHost,
+		token:   conf.HomeAssistantToken,
+	}
+}
+
+func (e *HomeAssistantExporter) SendBootOption(ctx context.Context, device string, option string) error {
+	subCtx, cancel := context.WithTimeout(ctx, 30*time.Second)
+	defer cancel()
+
+	entity := newBootOptionEntity(device, option)
+
+	dat, err := json.Marshal(entity)
+	if err != nil {
+		return err
+	}
+
+	req, err := http.NewRequestWithContext(subCtx, http.MethodPost, e.baseURL+"/api/states/"+entity.ID, bytes.NewBuffer(dat))
+	if err != nil {
+		return err
+	}
+	req.Header.Add("Authorization", "Bearer "+e.token)
+
+	resp, err := e.clt.Do(req)
+	if err != nil {
+		return err
+	}
+	switch resp.StatusCode {
+	case http.StatusOK:
+		logger.L.Debugf("Updated boot info for device %s to %s", device, option)
+	case http.StatusCreated:
+		logger.L.Debugf("Created boot info for device %s with value %s", device, option)
+	default:
+		respBod, err := io.ReadAll(resp.Body)
+		if err != nil {
+			return err
+		}
+		return fmt.Errorf("unexpected returncode %d (%s)", resp.StatusCode, string(respBod))
+	}
+
+	return nil
+}

bootserver/main.go

@@ -8,6 +8,7 @@ import (
 	"time"
 
 	"git.faercol.me/faercol/http-boot-server/bootserver/config"
+	"git.faercol.me/faercol/http-boot-server/bootserver/homeassistant"
 	"git.faercol.me/faercol/http-boot-server/bootserver/logger"
 	"git.faercol.me/faercol/http-boot-server/bootserver/server"
 	"git.faercol.me/faercol/http-boot-server/bootserver/services"
@@ -61,6 +62,21 @@ func main() {
 		logger.L.Fatalf("Failed to start UDP listener: %s", err.Error())
 	}
 
+	if conf.HomeAssistantEnabled {
+		logger.L.Info("Home assistant integration enabled, sending current configuration to the host")
+		haClt := homeassistant.New(conf)
+		cltSrv := services.NewClientHandlerService(conf.DataFilepath, logger.L)
+		clts, err := cltSrv.GetAllClientConfig()
+		if err != nil {
+			logger.L.Fatalf("Failed to get current clients from the storage: %s", err.Error())
+		}
+		for _, c := range clts {
+			if err := haClt.SendBootOption(context.Background(), c.Name, c.Options[c.SelectedOption].Name); err != nil {
+				logger.L.Errorf("Failed to send config to homeassistant: %s", err.Error())
+			}
+		}
+	}
+
 	go s.Run(mainCtx)
 	go listener.Run(mainCtx)
 

bootserver/server/server.go

@@ -69,7 +69,7 @@ func New(appConf *config.AppConfig, logger *logrus.Logger) (*Server, error) {
 	controllers := map[string]http.Handler{
 		client.EnrollRoute:  middlewares.WithLogger(client.NewEnrollController(logger, service, appConf.UDPPort, appConf.UPDMcastGroup), logger),
 		client.ConfigRoute:  middlewares.WithLogger(client.NewGetConfigController(logger, service, appConf), logger),
-		client.SetBootRoute: middlewares.WithLogger(client.NewBootController(logger, service), logger),
+		client.SetBootRoute: middlewares.WithLogger(client.NewBootController(logger, service, appConf), logger),
 		ui.StaticRoute:      middlewares.WithLogger(ui.NewStaticController(appConf.StaticDir), logger),
 		ui.UIRoute:          middlewares.WithLogger(ui.NewUIController(logger, service, appConf.StaticDir), logger),
 	}