Alerting: use alerting GrafanaReceiver and BuildReceiverConfiguration in Grafana (#65224)

* replace receiver errors with one from alerting
* add the converter to alerting models
* update buildReceiverIntegration to accept GrafanaReceiver
---------

Co-authored-by: George Robinson <george.robinson@grafana.com>

pkg/services/ngalert/api/api_alertmanager.go

@@ -406,7 +406,7 @@ func statusForTestReceivers(v []notifier.TestReceiverResult) int {
 		for _, next := range receiver.Configs {
 			if next.Error != nil {
 				var (
-					invalidReceiverErr notifier.InvalidReceiverError
+					invalidReceiverErr alertingNotify.InvalidReceiverError
 					receiverTimeoutErr alertingNotify.ReceiverTimeoutError
 				)
 				if errors.As(next.Error, &invalidReceiverErr) {

pkg/services/ngalert/api/api_alertmanager_test.go

@@ -108,7 +108,7 @@ func TestStatusForTestReceivers(t *testing.T) {
 				Name:   "test1",
 				UID:    "uid1",
 				Status: "failed",
-				Error:  notifier.InvalidReceiverError{},
+				Error:  alertingNotify.InvalidReceiverError{},
 			}},
 		}, {
 			Name: "test2",
@@ -116,7 +116,7 @@ func TestStatusForTestReceivers(t *testing.T) {
 				Name:   "test2",
 				UID:    "uid2",
 				Status: "failed",
-				Error:  notifier.InvalidReceiverError{},
+				Error:  alertingNotify.InvalidReceiverError{},
 			}},
 		}}))
 	})
@@ -148,7 +148,7 @@ func TestStatusForTestReceivers(t *testing.T) {
 				Name:   "test1",
 				UID:    "uid1",
 				Status: "failed",
-				Error:  notifier.InvalidReceiverError{},
+				Error:  alertingNotify.InvalidReceiverError{},
 			}},
 		}, {
 			Name: "test2",
@@ -156,7 +156,7 @@ func TestStatusForTestReceivers(t *testing.T) {
 				Name:   "test2",
 				UID:    "uid2",
 				Status: "failed",
-				Error:  notifier.ReceiverTimeoutError{},
+				Error:  alertingNotify.ReceiverTimeoutError{},
 			}},
 		}}))
 	})

pkg/services/ngalert/notifier/alertmanager.go

@@ -334,7 +334,7 @@ func (am *Alertmanager) buildIntegrationsMap(receivers []*apimodels.PostableApiR
 func (am *Alertmanager) buildReceiverIntegrations(receiver *apimodels.PostableApiReceiver, tmpl *alertingNotify.Template) ([]*alertingNotify.Integration, error) {
 	integrations := make([]*alertingNotify.Integration, 0, len(receiver.GrafanaManagedReceivers))
 	for i, r := range receiver.GrafanaManagedReceivers {
-		n, err := am.buildReceiverIntegration(r, tmpl)
+		n, err := am.buildReceiverIntegration(PostableGrafanaReceiverToGrafanaReceiver(r), tmpl)
 		if err != nil {
 			return nil, err
 		}
@@ -343,14 +343,14 @@ func (am *Alertmanager) buildReceiverIntegrations(receiver *apimodels.PostableAp
 	return integrations, nil
 }
 
-func (am *Alertmanager) buildReceiverIntegration(r *apimodels.PostableGrafanaReceiver, tmpl *alertingNotify.Template) (alertingNotify.NotificationChannel, error) {
+func (am *Alertmanager) buildReceiverIntegration(r *alertingNotify.GrafanaReceiver, tmpl *alertingNotify.Template) (alertingNotify.NotificationChannel, error) {
 	// secure settings are already encrypted at this point
 	secureSettings := make(map[string][]byte, len(r.SecureSettings))
 
 	for k, v := range r.SecureSettings {
 		d, err := base64.StdEncoding.DecodeString(v)
 		if err != nil {
-			return nil, InvalidReceiverError{
+			return nil, alertingNotify.InvalidReceiverError{
 				Receiver: r,
 				Err:      errors.New("failed to decode secure setting"),
 			}
@@ -365,27 +365,27 @@ func (am *Alertmanager) buildReceiverIntegration(r *apimodels.PostableGrafanaRec
 			Name:                  r.Name,
 			Type:                  r.Type,
 			DisableResolveMessage: r.DisableResolveMessage,
-			Settings:              json.RawMessage(r.Settings),
+			Settings:              r.Settings,
 			SecureSettings:        secureSettings,
 		}
 	)
 	factoryConfig, err := receivers.NewFactoryConfig(cfg, NewNotificationSender(am.NotificationService), am.decryptFn, tmpl, newImageStore(am.Store), LoggerFactory, setting.BuildVersion)
 	if err != nil {
-		return nil, InvalidReceiverError{
+		return nil, alertingNotify.InvalidReceiverError{
 			Receiver: r,
 			Err:      err,
 		}
 	}
 	receiverFactory, exists := alertingNotify.Factory(r.Type)
 	if !exists {
-		return nil, InvalidReceiverError{
+		return nil, alertingNotify.InvalidReceiverError{
 			Receiver: r,
 			Err:      fmt.Errorf("notifier %s is not supported", r.Type),
 		}
 	}
 	n, err := receiverFactory(factoryConfig)
 	if err != nil {
-		return nil, InvalidReceiverError{
+		return nil, alertingNotify.InvalidReceiverError{
 			Receiver: r,
 			Err:      err,
 		}

pkg/services/ngalert/notifier/compat.go

@@ -0,0 +1,42 @@
+package notifier
+
+import (
+	"encoding/json"
+
+	alertingNotify "github.com/grafana/alerting/notify"
+
+	apimodels "github.com/grafana/grafana/pkg/services/ngalert/api/tooling/definitions"
+)
+
+func PostableGrafanaReceiverToGrafanaReceiver(p *apimodels.PostableGrafanaReceiver) *alertingNotify.GrafanaReceiver {
+	return &alertingNotify.GrafanaReceiver{
+		UID:                   p.UID,
+		Name:                  p.Name,
+		Type:                  p.Type,
+		DisableResolveMessage: p.DisableResolveMessage,
+		Settings:              json.RawMessage(p.Settings),
+		SecureSettings:        p.SecureSettings,
+	}
+}
+
+func PostableApiReceiverToApiReceiver(r *apimodels.PostableApiReceiver) *alertingNotify.APIReceiver {
+	receivers := alertingNotify.GrafanaReceivers{
+		Receivers: make([]*alertingNotify.GrafanaReceiver, 0, len(r.GrafanaManagedReceivers)),
+	}
+	for _, receiver := range r.GrafanaManagedReceivers {
+		receivers.Receivers = append(receivers.Receivers, PostableGrafanaReceiverToGrafanaReceiver(receiver))
+	}
+
+	return &alertingNotify.APIReceiver{
+		ConfigReceiver:   r.Receiver,
+		GrafanaReceivers: receivers,
+	}
+}
+
+func PostableApiAlertingConfigToApiReceivers(c apimodels.PostableApiAlertingConfig) []*alertingNotify.APIReceiver {
+	apiReceivers := make([]*alertingNotify.APIReceiver, 0, len(c.Receivers))
+	for _, receiver := range c.Receivers {
+		apiReceivers = append(apiReceivers, PostableApiReceiverToApiReceiver(receiver))
+	}
+	return apiReceivers
+}

pkg/services/ngalert/notifier/compat_test.go

@@ -0,0 +1,143 @@
+package notifier
+
+import (
+	"encoding/json"
+	"testing"
+
+	alertingNotify "github.com/grafana/alerting/notify"
+	"github.com/prometheus/alertmanager/config"
+	"github.com/stretchr/testify/require"
+
+	apimodels "github.com/grafana/grafana/pkg/services/ngalert/api/tooling/definitions"
+)
+
+func TestPostableGrafanaReceiverToGrafanaReceiver(t *testing.T) {
+	r := &apimodels.PostableGrafanaReceiver{
+		UID:                   "test-uid",
+		Name:                  "test-name",
+		Type:                  "slack",
+		DisableResolveMessage: false,
+		Settings:              apimodels.RawMessage(`{ "data" : "test" }`),
+		SecureSettings: map[string]string{
+			"test": "data",
+		},
+	}
+	actual := PostableGrafanaReceiverToGrafanaReceiver(r)
+	require.Equal(t, alertingNotify.GrafanaReceiver{
+		UID:                   "test-uid",
+		Name:                  "test-name",
+		Type:                  "slack",
+		DisableResolveMessage: false,
+		Settings:              json.RawMessage(`{ "data" : "test" }`),
+		SecureSettings: map[string]string{
+			"test": "data",
+		},
+	}, *actual)
+}
+
+func TestPostableApiReceiverToApiReceiver(t *testing.T) {
+	t.Run("returns empty when no receivers", func(t *testing.T) {
+		r := &apimodels.PostableApiReceiver{
+			Receiver: config.Receiver{
+				Name: "test-receiver",
+			},
+		}
+		actual := PostableApiReceiverToApiReceiver(r)
+		require.Empty(t, actual.Receivers)
+		require.Equal(t, r.Receiver, actual.ConfigReceiver)
+	})
+	t.Run("converts receivers", func(t *testing.T) {
+		r := &apimodels.PostableApiReceiver{
+			Receiver: config.Receiver{
+				Name: "test-receiver",
+			},
+			PostableGrafanaReceivers: apimodels.PostableGrafanaReceivers{
+				GrafanaManagedReceivers: []*apimodels.PostableGrafanaReceiver{
+					{
+						UID:                   "test-uid",
+						Name:                  "test-name",
+						Type:                  "slack",
+						DisableResolveMessage: false,
+						Settings:              apimodels.RawMessage(`{ "data" : "test" }`),
+						SecureSettings: map[string]string{
+							"test": "data",
+						},
+					},
+					{
+						UID:                   "test-uid2",
+						Name:                  "test-name2",
+						Type:                  "webhook",
+						DisableResolveMessage: false,
+						Settings:              apimodels.RawMessage(`{ "data2" : "test2" }`),
+						SecureSettings: map[string]string{
+							"test2": "data2",
+						},
+					},
+				},
+			},
+		}
+		actual := PostableApiReceiverToApiReceiver(r)
+		require.Len(t, actual.Receivers, 2)
+		require.Equal(t, r.Receiver, actual.ConfigReceiver)
+		require.Equal(t, *PostableGrafanaReceiverToGrafanaReceiver(r.GrafanaManagedReceivers[0]), *actual.Receivers[0])
+		require.Equal(t, *PostableGrafanaReceiverToGrafanaReceiver(r.GrafanaManagedReceivers[1]), *actual.Receivers[1])
+	})
+}
+
+func TestPostableApiAlertingConfigToApiReceivers(t *testing.T) {
+	t.Run("returns empty when no receivers", func(t *testing.T) {
+		r := apimodels.PostableApiAlertingConfig{
+			Config: apimodels.Config{},
+		}
+		actual := PostableApiAlertingConfigToApiReceivers(r)
+		require.Empty(t, actual)
+	})
+	c := apimodels.PostableApiAlertingConfig{
+		Config: apimodels.Config{},
+		Receivers: []*apimodels.PostableApiReceiver{
+			{
+				Receiver: config.Receiver{
+					Name: "test-receiver",
+				},
+				PostableGrafanaReceivers: apimodels.PostableGrafanaReceivers{
+					GrafanaManagedReceivers: []*apimodels.PostableGrafanaReceiver{
+						{
+							UID:                   "test-uid",
+							Name:                  "test-name",
+							Type:                  "slack",
+							DisableResolveMessage: false,
+							Settings:              apimodels.RawMessage(`{ "data" : "test" }`),
+							SecureSettings: map[string]string{
+								"test": "data",
+							},
+						},
+					},
+				},
+			},
+			{
+				Receiver: config.Receiver{
+					Name: "test-receiver2",
+				},
+				PostableGrafanaReceivers: apimodels.PostableGrafanaReceivers{
+					GrafanaManagedReceivers: []*apimodels.PostableGrafanaReceiver{
+						{
+							UID:                   "test-uid2",
+							Name:                  "test-name1",
+							Type:                  "slack",
+							DisableResolveMessage: false,
+							Settings:              apimodels.RawMessage(`{ "data" : "test" }`),
+							SecureSettings: map[string]string{
+								"test": "data",
+							},
+						},
+					},
+				},
+			},
+		},
+	}
+	actual := PostableApiAlertingConfigToApiReceivers(c)
+
+	require.Len(t, actual, 2)
+	require.Equal(t, PostableApiReceiverToApiReceiver(c.Receivers[0]), actual[0])
+	require.Equal(t, PostableApiReceiverToApiReceiver(c.Receivers[1]), actual[1])
+}

pkg/services/ngalert/notifier/config.go

@@ -97,31 +97,12 @@ type AlertingConfiguration struct {
 	AlertmanagerTemplates *alertingNotify.Template
 
 	IntegrationsFunc         func(receivers []*api.PostableApiReceiver, templates *alertingNotify.Template) (map[string][]*alertingNotify.Integration, error)
-	ReceiverIntegrationsFunc func(r *api.PostableGrafanaReceiver, tmpl *alertingNotify.Template) (alertingNotify.NotificationChannel, error)
+	ReceiverIntegrationsFunc func(r *alertingNotify.GrafanaReceiver, tmpl *alertingNotify.Template) (alertingNotify.NotificationChannel, error)
 }
 
 func (a AlertingConfiguration) BuildReceiverIntegrationsFunc() func(next *alertingNotify.GrafanaReceiver, tmpl *alertingNotify.Template) (alertingNotify.Notifier, error) {
 	return func(next *alertingNotify.GrafanaReceiver, tmpl *alertingNotify.Template) (alertingNotify.Notifier, error) {
-		// TODO: We shouldn't need to do all of this marshalling - there should be no difference between types.
+		return a.ReceiverIntegrationsFunc(next, tmpl)
-		var out api.RawMessage
-		settingsJSON, err := json.Marshal(next.Settings)
-		if err != nil {
-			return nil, fmt.Errorf("unable to marshal settings to JSON: %v", err)
-		}
-
-		err = out.UnmarshalJSON(settingsJSON)
-		if err != nil {
-			return nil, fmt.Errorf("unable to marshal JSON to RawMessage: %v", err)
-		}
-		gr := &api.PostableGrafanaReceiver{
-			UID:                   next.UID,
-			Name:                  next.Name,
-			Type:                  next.Type,
-			DisableResolveMessage: next.DisableResolveMessage,
-			Settings:              out,
-			SecureSettings:        next.SecureSettings,
-		}
-		return a.ReceiverIntegrationsFunc(gr, tmpl)
 	}
 }
 

pkg/services/ngalert/notifier/receivers.go

@@ -3,8 +3,6 @@ package notifier
 import (
 	"context"
 	"encoding/json"
-	"errors"
-	"fmt"
 	"time"
 
 	alertingNotify "github.com/grafana/alerting/notify"
@@ -16,10 +14,6 @@ import (
 	apimodels "github.com/grafana/grafana/pkg/services/ngalert/api/tooling/definitions"
 )
 
-var (
-	ErrNoReceivers = errors.New("no receivers")
-)
-
 type TestReceiversResult struct {
 	Alert     types.Alert
 	Receivers []TestReceiverResult
@@ -38,24 +32,6 @@ type TestReceiverConfigResult struct {
 	Error  error
 }
 
-type InvalidReceiverError struct {
-	Receiver *apimodels.PostableGrafanaReceiver
-	Err      error
-}
-
-func (e InvalidReceiverError) Error() string {
-	return fmt.Sprintf("the receiver is invalid: %s", e.Err)
-}
-
-type ReceiverTimeoutError struct {
-	Receiver *apimodels.PostableGrafanaReceiver
-	Err      error
-}
-
-func (e ReceiverTimeoutError) Error() string {
-	return fmt.Sprintf("the receiver timed out: %s", e.Err)
-}
-
 func (am *Alertmanager) TestReceivers(ctx context.Context, c apimodels.TestReceiversConfigBodyParams) (*TestReceiversResult, error) {
 	receivers := make([]*alertingNotify.APIReceiver, 0, len(c.Receivers))
 	for _, r := range c.Receivers {

pkg/services/sqlstore/migrations/ualert/channel.go

@@ -121,7 +121,7 @@ func (m *migration) setupAlertmanagerConfigs(rulesPerOrg map[int64]map[*alertRul
 
 		// Validate the alertmanager configuration produced, this gives a chance to catch bad configuration at migration time.
 		// Validation between legacy and unified alerting can be different (e.g. due to bug fixes) so this would fail the migration in that case.
-		if err := m.validateAlertmanagerConfig(orgID, amConfig); err != nil {
+		if err := m.validateAlertmanagerConfig(amConfig); err != nil {
 			return nil, fmt.Errorf("failed to validate AlertmanagerConfig in orgId %d: %w", orgID, err)
 		}
 	}

pkg/services/sqlstore/migrations/ualert/ualert.go

@@ -2,7 +2,6 @@ package ualert
 
 import (
 	"context"
-	"encoding/base64"
 	"encoding/json"
 	"errors"
 	"fmt"
@@ -12,9 +11,7 @@ import (
 	"strings"
 	"time"
 
-	alertingLogging "github.com/grafana/alerting/logging"
 	alertingNotify "github.com/grafana/alerting/notify"
-	"github.com/grafana/alerting/receivers"
 	pb "github.com/prometheus/alertmanager/silence/silencepb"
 	"xorm.io/xorm"
 
@@ -475,32 +472,21 @@ func (m *migration) writeAlertmanagerConfig(orgID int64, amConfig *PostableUserC
 }
 
 // validateAlertmanagerConfig validates the alertmanager configuration produced by the migration against the receivers.
-func (m *migration) validateAlertmanagerConfig(orgID int64, config *PostableUserConfig) error {
+func (m *migration) validateAlertmanagerConfig(config *PostableUserConfig) error {
 	for _, r := range config.AlertmanagerConfig.Receivers {
 		for _, gr := range r.GrafanaManagedReceivers {
-			// First, let's decode the secure settings - given they're stored as base64.
-			secureSettings := make(map[string][]byte, len(gr.SecureSettings))
-			for k, v := range gr.SecureSettings {
-				d, err := base64.StdEncoding.DecodeString(v)
-				if err != nil {
-					return err
-				}
-				secureSettings[k] = d
-			}
-
 			data, err := gr.Settings.MarshalJSON()
 			if err != nil {
 				return err
 			}
 			var (
-				cfg = &receivers.NotificationChannelConfig{
+				cfg = &alertingNotify.GrafanaReceiver{
 					UID:                   gr.UID,
-					OrgID:                 orgID,
 					Name:                  gr.Name,
 					Type:                  gr.Type,
 					DisableResolveMessage: gr.DisableResolveMessage,
 					Settings:              data,
-					SecureSettings:        secureSettings,
+					SecureSettings:        gr.SecureSettings,
 				}
 			)
 
@@ -517,17 +503,9 @@ func (m *migration) validateAlertmanagerConfig(orgID int64, config *PostableUser
 				}
 				return fallback
 			}
-			receiverFactory, exists := alertingNotify.Factory(gr.Type)
+			_, err = alertingNotify.BuildReceiverConfiguration(context.Background(), &alertingNotify.APIReceiver{
-			if !exists {
+				GrafanaReceivers: alertingNotify.GrafanaReceivers{Receivers: []*alertingNotify.GrafanaReceiver{cfg}},
-				return fmt.Errorf("notifier %s is not supported", gr.Type)
+			}, decryptFunc)
-			}
-			factoryConfig, err := receivers.NewFactoryConfig(cfg, nil, decryptFunc, nil, nil, func(ctx ...interface{}) alertingLogging.Logger {
-				return &alertingLogging.FakeLogger{}
-			}, setting.BuildVersion)
-			if err != nil {
-				return err
-			}
-			_, err = receiverFactory(factoryConfig)
 			if err != nil {
 				return err
 			}

pkg/services/sqlstore/migrations/ualert/ualert_test.go

@@ -65,14 +65,14 @@ func Test_validateAlertmanagerConfig(t *testing.T) {
 			name: "when a slack receiver does not have a valid URL - it should error",
 			receivers: []*PostableGrafanaReceiver{
 				{
-					UID:            util.GenerateShortUID(),
+					UID:            "test-uid",
 					Name:           "SlackWithBadURL",
 					Type:           "slack",
 					Settings:       simplejson.NewFromAny(map[string]interface{}{}),
 					SecureSettings: map[string]string{"url": invalidUri},
 				},
 			},
-			err: fmt.Errorf("failed to validate receiver \"SlackWithBadURL\" of type \"slack\": invalid URL %q", invalidUri),
+			err: fmt.Errorf("failed to validate receiver \"SlackWithBadURL\" of type \"slack\": failed to parse notifier SlackWithBadURL (UID: test-uid): invalid URL %q", invalidUri),
 		},
 		{
 			name: "when a slack receiver has an invalid recipient - it should not error",
@@ -103,11 +103,10 @@ func Test_validateAlertmanagerConfig(t *testing.T) {
 	for _, tt := range tc {
 		t.Run(tt.name, func(t *testing.T) {
 			mg := newTestMigration(t)
-			orgID := int64(1)
 
 			config := configFromReceivers(t, tt.receivers)
 			require.NoError(t, config.EncryptSecureSettings()) // make sure we encrypt the settings
-			err := mg.validateAlertmanagerConfig(orgID, config)
+			err := mg.validateAlertmanagerConfig(config)
 			if tt.err != nil {
 				require.Error(t, err)
 				require.EqualError(t, err, tt.err.Error())