feat: Add methods blink, update and device to supervisor v1 struct

Added the following methods:
- Blink: start a blink pattern on a LED for 15 s
- Update: trigger a check for the target state of configurations
- Device: return the current device state

supervisorv1.go

@@ -3,6 +3,7 @@ package balena
 import (
 	"context"
 	"fmt"
+	"io"
 	"net/http"
 )
 
@@ -29,22 +30,104 @@ func (s *SupervisorV1Service) Reboot(ctx context.Context, force bool) error {
 		&request{Force: force},
 	)
 	if err != nil {
-		return fmt.Errorf("unable to create restart service request: %v", err)
+		return fmt.Errorf("unable to create restart service request: %w", err)
 	}
 	var resp struct {
 		Data  string `json:"Data"`
 		Error string `json:"Error"`
 	}
 	err = s.client.Do(req, &resp)
 	if err != nil {
-		return fmt.Errorf("unable to reboot device: %v", err)
+		return fmt.Errorf("unable to reboot device: %w", err)
 	}
 	if resp.Data != "OK" {
 		return fmt.Errorf("unable to reboot device: %v", resp.Error)
 	}
 	return nil
 }
 
+// Blink starts a blink pattern on a LED for 15 seconds, if your device has one.
+// https://docs.balena.io/reference/supervisor/supervisor-api/#post-v1blink
+func (s *SupervisorV1Service) Blink(ctx context.Context) error {
+	req, err := s.newRequest(
+		ctx,
+		http.MethodPost,
+		supervisorv1BasePath+"/blink",
+		nil,
+	)
+	if err != nil {
+		return fmt.Errorf("unable to create blink request: %w", err)
+	}
+
+	err = s.client.Do(req, io.Discard)
+	if err != nil {
+		return fmt.Errorf("unable to start blink pattern: %w", err)
+	}
+
+	return nil
+}
+
+// Update triggers a check for the target state of configurations and app services.
+// https://docs.balena.io/reference/supervisor/supervisor-api/#post-v1update
+func (s *SupervisorV1Service) Update(ctx context.Context, force bool) error {
+	type request struct {
+		Force bool `json:"force"`
+	}
+	req, err := s.newRequest(
+		ctx,
+		http.MethodPost,
+		supervisorv1BasePath+"/update",
+		&request{Force: force},
+	)
+	if err != nil {
+		return fmt.Errorf("unable to create update request: %w", err)
+	}
+
+	err = s.client.Do(req, io.Discard)
+	if err != nil {
+		return fmt.Errorf("unable to trigger update: %w", err)
+	}
+
+	return nil
+}
+
+type SupervisorV1DeviceResponse struct {
+	APIPort           uint   `json:"api_port,omitempty"`
+	Commit            string `json:"commit,omitempty"`
+	IPAddress         string `json:"ip_address,omitempty"`
+	MACAddress        string `json:"mac_address,omitempty"`
+	Status            string `json:"status,omitempty"`
+	DownloadProgress  uint   `json:"download_progress,omitempty"`
+	OSVersion         string `json:"os_version,omitempty"`
+	SupervisorVersion string `json:"supervisor_version,omitempty"`
+	UpdatePending     bool   `json:"update_pending,omitempty"`
+	UpdateDownloaded  bool   `json:"update_downloaded,omitempty"`
+	UpdateFailed      bool   `json:"update_failed,omitempty"`
+}
+
+// Device returns the current device state.
+// https://docs.balena.io/reference/supervisor/supervisor-api/#get-v1device
+func (s *SupervisorV1Service) Device(ctx context.Context) (*SupervisorV1DeviceResponse, error) {
+	req, err := s.newRequest(
+		ctx,
+		http.MethodGet,
+		supervisorv1BasePath+"/device",
+		nil,
+	)
+	if err != nil {
+		return nil, fmt.Errorf("unable to create device request: %w", err)
+	}
+
+	response := new(SupervisorV1DeviceResponse)
+
+	err = s.client.Do(req, response)
+	if err != nil {
+		return nil, fmt.Errorf("unable to get device state: %w", err)
+	}
+
+	return response, nil
+}
+
 func (s *SupervisorV1Service) newRequest(
 	ctx context.Context,
 	method string,