Alerting: Send merged configuration to the remote alertmanager (#107004)

pkg/tests/alertmanager/alertmanager_scenario.go

@@ -11,6 +11,7 @@ import (
 
 	"github.com/grafana/e2e"
 	gapi "github.com/grafana/grafana-api-golang-client"
+	"github.com/grafana/grafana/pkg/services/ngalert/remote/client"
 	"github.com/stretchr/testify/require"
 )
 
@@ -43,6 +44,7 @@ type AlertmanagerScenario struct {
 	Webhook  *WebhookService
 	Postgres *PostgresService
 	Loki     *LokiService
+	Mimir    *MimirService
 }
 
 func NewAlertmanagerScenario() (*AlertmanagerScenario, error) {
@@ -381,3 +383,10 @@ func mapInstancePeers(is []string) map[string][]string {
 
 	return mIs
 }
+
+func (s *AlertmanagerScenario) NewMimirClient(tenantID string) (client.MimirClient, error) {
+	if s.Mimir == nil {
+		return nil, fmt.Errorf("mimir service not started")
+	}
+	return NewMimirClient("http://"+s.Mimir.HTTPEndpoint(), tenantID)
+}

pkg/tests/alertmanager/mimir.go

@@ -0,0 +1,67 @@
+package alertmanager
+
+import (
+	"fmt"
+	"net/url"
+
+	"github.com/grafana/e2e"
+	"github.com/grafana/grafana/pkg/infra/log"
+	"github.com/grafana/grafana/pkg/infra/tracing"
+	"github.com/grafana/grafana/pkg/services/ngalert/metrics"
+	"github.com/grafana/grafana/pkg/services/ngalert/remote/client"
+	"github.com/prometheus/client_golang/prometheus"
+)
+
+const (
+	mimirImage = "grafana/mimir:r348-017076d8"
+
+	mimirBinary   = "/bin/mimir"
+	mimirHTTPPort = 33667
+	mimirGRPCPort = 33668
+)
+
+type MimirService struct {
+	*e2e.HTTPService
+}
+
+func NewMimirService(name string) *MimirService {
+	flags := map[string]string{
+		"-target":                                                  "alertmanager",
+		"-server.http-listen-port":                                 fmt.Sprintf("%d", mimirHTTPPort),
+		"-server.grpc-listen-port":                                 fmt.Sprintf("%d", mimirGRPCPort),
+		"-alertmanager.web.external-url":                           "http://localhost:8080/alertmanager",
+		"-alertmanager-storage.backend":                            "filesystem",
+		"-alertmanager-storage.filesystem.dir":                     "/tmp/mimir/alertmanager",
+		"-alertmanager.grafana-alertmanager-compatibility-enabled": "true",
+	}
+
+	return &MimirService{
+		HTTPService: e2e.NewHTTPService(
+			name,
+			mimirImage,
+			e2e.NewCommandWithoutEntrypoint(mimirBinary, e2e.BuildArgs(flags)...),
+			e2e.NewHTTPReadinessProbe(mimirHTTPPort, "/ready", 200, 299),
+			mimirHTTPPort,
+		),
+	}
+}
+
+func NewMimirClient(mimirURL, tenantID string) (client.MimirClient, error) {
+	u, err := url.Parse(mimirURL)
+	if err != nil {
+		return nil, err
+	}
+
+	cfg := &client.Config{
+		URL:      u,
+		TenantID: tenantID,
+		Password: "", // No password needed for test
+		Logger:   log.NewNopLogger(),
+	}
+
+	registry := prometheus.NewRegistry()
+	metrics := metrics.NewRemoteAlertmanagerMetrics(registry)
+	tracer := tracing.InitializeTracerForTest()
+
+	return client.New(cfg, metrics, tracer)
+}