Remote Alertmanager: Configure SMTP From address (#104925)

* Remote Alertmanager: Configure SMTP From address

* include smtp from address in config comparison

* updte tests

* trigger build

* make linter happy

* trigger build

* fix test

pkg/services/ngalert/remote/client/alertmanager_configuration.go

@@ -22,6 +22,7 @@ type UserGrafanaConfig struct {
 	Default                   bool                          `json:"default"`
 	Promoted                  bool                          `json:"promoted"`
 	ExternalURL               string                        `json:"external_url"`
+	SmtpFrom                  string                        `json:"smtp_from"`
 	StaticHeaders             map[string]string             `json:"static_headers"`
 }
 
@@ -56,6 +57,7 @@ func (mc *Mimir) CreateGrafanaAlertmanagerConfig(ctx context.Context, cfg *apimo
 		Default:                   isDefault,
 		Promoted:                  mc.promoteConfig,
 		ExternalURL:               mc.externalURL,
+		SmtpFrom:                  mc.smtpFrom,
 		StaticHeaders:             mc.staticHeaders,
 	})
 	if err != nil {

pkg/services/ngalert/remote/client/mimir.go

@@ -48,6 +48,7 @@ type Mimir struct {
 	metrics       *metrics.RemoteAlertmanager
 	promoteConfig bool
 	externalURL   string
+	smtpFrom      string
 	staticHeaders map[string]string
 }
 
@@ -59,6 +60,7 @@ type Config struct {
 	Logger        log.Logger
 	PromoteConfig bool
 	ExternalURL   string
+	SmtpFrom      string
 	StaticHeaders map[string]string
 }
 
@@ -103,6 +105,7 @@ func New(cfg *Config, metrics *metrics.RemoteAlertmanager, tracer tracing.Tracer
 		metrics:       metrics,
 		promoteConfig: cfg.PromoteConfig,
 		externalURL:   cfg.ExternalURL,
+		smtpFrom:      cfg.SmtpFrom,
 		staticHeaders: cfg.StaticHeaders,
 	}, nil
 }