Alerting: unwrap upsert into insert and update function (#47731)

* Alerting: unwrap upsert into insert and update function

* add changelog entry

* remove changelog entry

* rename upsertrule to updaterule

* use directly alertrule model for inserts

* add test for updating a rule with a conflicting name

pkg/services/ngalert/CHANGELOG.md

@@ -48,4 +48,4 @@ Scopes must have an order to ensure consistency and ease of search, this helps u
 - [CHANGE] Prometheus Compatible API: Use float-like values for `api/prometheus/grafana/api/v1/alerts` and `api/prometheus/grafana/api/v1/rules` instead of the evaluation string #47216
 - [BUGFIX] (Legacy) Templates: Parse notification templates using all the matches of the alert rule when going from `Alerting` to `OK` in legacy alerting #47355
 - [BUGFIX] Scheduler: Fix state manager to support OK option of `AlertRule.ExecErrState` #47670 
-- [ENHANCEMENT] Templates: Enable the use of classic condition values in templates #46971
+- [ENHANCEMENT] Templates: Enable the use of classic condition values in templates #46971

pkg/services/ngalert/api/api_ruler.go

@@ -355,23 +355,25 @@ func (srv RulerSrv) updateAlertRulesInGroup(c *models.ReqContext, namespace *mod
 		logger.Debug("updating database with the authorized changes", "add", len(authorizedChanges.New), "update", len(authorizedChanges.New), "delete", len(authorizedChanges.Delete))
 
 		if len(authorizedChanges.Update) > 0 || len(authorizedChanges.New) > 0 {
-			upsert := make([]store.UpsertRule, 0, len(authorizedChanges.Update)+len(authorizedChanges.New))
+			updates := make([]store.UpdateRule, 0, len(authorizedChanges.Update))
+			inserts := make([]ngmodels.AlertRule, 0, len(authorizedChanges.New))
 			for _, update := range authorizedChanges.Update {
 				logger.Debug("updating rule", "rule_uid", update.New.UID, "diff", update.Diff.String())
-				upsert = append(upsert, store.UpsertRule{
+				updates = append(updates, store.UpdateRule{
 					Existing: update.Existing,
 					New:      *update.New,
 				})
 			}
 			for _, rule := range authorizedChanges.New {
-				upsert = append(upsert, store.UpsertRule{
-					Existing: nil,
-					New:      *rule,
-				})
+				inserts = append(inserts, *rule)
 			}
-			err = srv.store.UpsertAlertRules(tranCtx, upsert)
+			err = srv.store.InsertAlertRules(tranCtx, inserts)
 			if err != nil {
-				return fmt.Errorf("failed to add or update rules: %w", err)
+				return fmt.Errorf("failed to add rules: %w", err)
+			}
+			err = srv.store.UpdateAlertRules(tranCtx, updates)
+			if err != nil {
+				return fmt.Errorf("failed to update rules: %w", err)
 			}
 		}
 

pkg/services/ngalert/store/alert_rule.go

@@ -27,7 +27,7 @@ type UpdateRuleGroupCmd struct {
 	RuleGroupConfig apimodels.PostableRuleGroupConfig
 }
 
-type UpsertRule struct {
+type UpdateRule struct {
 	Existing *ngmodels.AlertRule
 	New      ngmodels.AlertRule
 }
@@ -42,7 +42,8 @@ type RuleStore interface {
 	GetAlertRules(ctx context.Context, query *ngmodels.GetAlertRulesQuery) error
 	GetUserVisibleNamespaces(context.Context, int64, *models.SignedInUser) (map[string]*models.Folder, error)
 	GetNamespaceByTitle(context.Context, string, int64, *models.SignedInUser, bool) (*models.Folder, error)
-	UpsertAlertRules(ctx context.Context, rule []UpsertRule) error
+	InsertAlertRules(ctx context.Context, rule []ngmodels.AlertRule) error
+	UpdateAlertRules(ctx context.Context, rule []UpdateRule) error
 }
 
 func getAlertRuleByUID(sess *sqlstore.DBSession, alertRuleUID string, orgID int64) (*ngmodels.AlertRule, error) {
@@ -107,52 +108,87 @@ func (st DBstore) GetAlertRuleByUID(ctx context.Context, query *ngmodels.GetAler
 	})
 }
 
-// UpsertAlertRules is a handler for creating/updating alert rules.
-func (st DBstore) UpsertAlertRules(ctx context.Context, rules []UpsertRule) error {
+// InsertAlertRules is a handler for creating/updating alert rules.
+func (st DBstore) InsertAlertRules(ctx context.Context, rules []ngmodels.AlertRule) error {
+	return st.SQLStore.WithTransactionalDbSession(ctx, func(sess *sqlstore.DBSession) error {
+		newRules := make([]ngmodels.AlertRule, 0, len(rules))
+		ruleVersions := make([]ngmodels.AlertRuleVersion, 0, len(rules))
+		for i := range rules {
+			r := rules[i]
+			uid, err := GenerateNewAlertRuleUID(sess, r.OrgID, r.Title)
+			if err != nil {
+				return fmt.Errorf("failed to generate UID for alert rule %q: %w", r.Title, err)
+			}
+			r.UID = uid
+			r.Version = 1
+			if err := st.validateAlertRule(r); err != nil {
+				return err
+			}
+			if err := (&r).PreSave(TimeNow); err != nil {
+				return err
+			}
+			newRules = append(newRules, r)
+			ruleVersions = append(ruleVersions, ngmodels.AlertRuleVersion{
+				RuleOrgID:        r.OrgID,
+				RuleUID:          r.UID,
+				RuleNamespaceUID: r.NamespaceUID,
+				RuleGroup:        r.RuleGroup,
+				ParentVersion:    0,
+				Version:          r.Version,
+				Created:          r.Updated,
+				Condition:        r.Condition,
+				Title:            r.Title,
+				Data:             r.Data,
+				IntervalSeconds:  r.IntervalSeconds,
+				NoDataState:      r.NoDataState,
+				ExecErrState:     r.ExecErrState,
+				For:              r.For,
+				Annotations:      r.Annotations,
+				Labels:           r.Labels,
+			})
+		}
+		if len(newRules) > 0 {
+			if _, err := sess.Insert(&newRules); err != nil {
+				if st.SQLStore.Dialect.IsUniqueConstraintViolation(err) {
+					return ngmodels.ErrAlertRuleUniqueConstraintViolation
+				}
+				return fmt.Errorf("failed to create new rules: %w", err)
+			}
+		}
+
+		if len(ruleVersions) > 0 {
+			if _, err := sess.Insert(&ruleVersions); err != nil {
+				return fmt.Errorf("failed to create new rule versions: %w", err)
+			}
+		}
+
+		return nil
+	})
+}
+
+// UpdateAlertRules is a handler for creating/updating alert rules.
+func (st DBstore) UpdateAlertRules(ctx context.Context, rules []UpdateRule) error {
 	return st.SQLStore.WithTransactionalDbSession(ctx, func(sess *sqlstore.DBSession) error {
 		newRules := make([]ngmodels.AlertRule, 0, len(rules))
 		ruleVersions := make([]ngmodels.AlertRuleVersion, 0, len(rules))
 		for _, r := range rules {
 			var parentVersion int64
-			switch r.Existing {
-			case nil: // new rule
-				uid, err := GenerateNewAlertRuleUID(sess, r.New.OrgID, r.New.Title)
-				if err != nil {
-					return fmt.Errorf("failed to generate UID for alert rule %q: %w", r.New.Title, err)
-				}
-				r.New.UID = uid
-				r.New.Version = 1
-
-				if err := st.validateAlertRule(r.New); err != nil {
-					return err
-				}
-
-				if err := (&r.New).PreSave(TimeNow); err != nil {
-					return err
-				}
-				newRules = append(newRules, r.New)
-			default:
-				r.New.ID = r.Existing.ID
-				r.New.Version = r.Existing.Version + 1
-
-				if err := st.validateAlertRule(r.New); err != nil {
-					return err
-				}
-
-				if err := (&r.New).PreSave(TimeNow); err != nil {
-					return err
-				}
-
-				// no way to update multiple rules at once
-				if _, err := sess.ID(r.Existing.ID).AllCols().Update(r.New); err != nil {
-					if st.SQLStore.Dialect.IsUniqueConstraintViolation(err) {
-						return ngmodels.ErrAlertRuleUniqueConstraintViolation
-					}
-					return fmt.Errorf("failed to update rule [%s] %s: %w", r.New.UID, r.New.Title, err)
-				}
-				parentVersion = r.Existing.Version
+			r.New.ID = r.Existing.ID
+			r.New.Version = r.Existing.Version + 1
+			if err := st.validateAlertRule(r.New); err != nil {
+				return err
 			}
-
+			if err := (&r.New).PreSave(TimeNow); err != nil {
+				return err
+			}
+			// no way to update multiple rules at once
+			if _, err := sess.ID(r.Existing.ID).AllCols().Update(r.New); err != nil {
+				if st.SQLStore.Dialect.IsUniqueConstraintViolation(err) {
+					return ngmodels.ErrAlertRuleUniqueConstraintViolation
+				}
+				return fmt.Errorf("failed to update rule [%s] %s: %w", r.New.UID, r.New.Title, err)
+			}
+			parentVersion = r.Existing.Version
 			ruleVersions = append(ruleVersions, ngmodels.AlertRuleVersion{
 				RuleOrgID:        r.New.OrgID,
 				RuleUID:          r.New.UID,
@@ -172,7 +208,6 @@ func (st DBstore) UpsertAlertRules(ctx context.Context, rules []UpsertRule) erro
 				Labels:           r.New.Labels,
 			})
 		}
-
 		if len(newRules) > 0 {
 			if _, err := sess.Insert(&newRules); err != nil {
 				if st.SQLStore.Dialect.IsUniqueConstraintViolation(err) {
@@ -181,13 +216,11 @@ func (st DBstore) UpsertAlertRules(ctx context.Context, rules []UpsertRule) erro
 				return fmt.Errorf("failed to create new rules: %w", err)
 			}
 		}
-
 		if len(ruleVersions) > 0 {
 			if _, err := sess.Insert(&ruleVersions); err != nil {
 				return fmt.Errorf("failed to create new rule versions: %w", err)
 			}
 		}
-
 		return nil
 	})
 }

pkg/services/ngalert/store/testing.go

@@ -228,7 +228,17 @@ func (f *FakeRuleStore) GetNamespaceByTitle(_ context.Context, title string, org
 	return nil, fmt.Errorf("not found")
 }
 
-func (f *FakeRuleStore) UpsertAlertRules(_ context.Context, q []UpsertRule) error {
+func (f *FakeRuleStore) UpdateAlertRules(_ context.Context, q []UpdateRule) error {
+	f.mtx.Lock()
+	defer f.mtx.Unlock()
+	f.RecordedOps = append(f.RecordedOps, q)
+	if err := f.Hook(q); err != nil {
+		return err
+	}
+	return nil
+}
+
+func (f *FakeRuleStore) InsertAlertRules(_ context.Context, q []models.AlertRule) error {
 	f.mtx.Lock()
 	defer f.mtx.Unlock()
 	f.RecordedOps = append(f.RecordedOps, q)

pkg/services/ngalert/tests/util.go

@@ -81,35 +81,34 @@ func CreateTestAlertRule(t *testing.T, ctx context.Context, dbstore *store.DBsto
 
 func CreateTestAlertRuleWithLabels(t *testing.T, ctx context.Context, dbstore *store.DBstore, intervalSeconds int64, orgID int64, labels map[string]string) *models.AlertRule {
 	ruleGroup := fmt.Sprintf("ruleGroup-%s", util.GenerateShortUID())
-	err := dbstore.UpsertAlertRules(ctx, []store.UpsertRule{
+	err := dbstore.InsertAlertRules(ctx, []models.AlertRule{
 		{
-			New: models.AlertRule{
-				ID:        0,
-				OrgID:     orgID,
-				Title:     fmt.Sprintf("an alert definition %s", util.GenerateShortUID()),
-				Condition: "A",
-				Data: []models.AlertQuery{
-					{
-						Model: json.RawMessage(`{
+
+			ID:        0,
+			OrgID:     orgID,
+			Title:     fmt.Sprintf("an alert definition %s", util.GenerateShortUID()),
+			Condition: "A",
+			Data: []models.AlertQuery{
+				{
+					Model: json.RawMessage(`{
 										"datasourceUid": "-100",
 										"type":"math",
 										"expression":"2 + 2 > 1"
 									}`),
-						RelativeTimeRange: models.RelativeTimeRange{
-							From: models.Duration(5 * time.Hour),
-							To:   models.Duration(3 * time.Hour),
-						},
-						RefID: "A",
+					RelativeTimeRange: models.RelativeTimeRange{
+						From: models.Duration(5 * time.Hour),
+						To:   models.Duration(3 * time.Hour),
 					},
+					RefID: "A",
 				},
-				Labels:          labels,
-				Annotations:     map[string]string{"testAnnoKey": "testAnnoValue"},
-				IntervalSeconds: intervalSeconds,
-				NamespaceUID:    "namespace",
-				RuleGroup:       ruleGroup,
-				NoDataState:     models.NoData,
-				ExecErrState:    models.AlertingErrState,
 			},
+			Labels:          labels,
+			Annotations:     map[string]string{"testAnnoKey": "testAnnoValue"},
+			IntervalSeconds: intervalSeconds,
+			NamespaceUID:    "namespace",
+			RuleGroup:       ruleGroup,
+			NoDataState:     models.NoData,
+			ExecErrState:    models.AlertingErrState,
 		},
 	})
 	require.NoError(t, err)

pkg/tests/api/alerting/api_ruler_test.go

@@ -356,41 +356,8 @@ func TestAlertRuleConflictingTitle(t *testing.T) {
 		Login:          "admin",
 	})
 
-	interval, err := model.ParseDuration("1m")
-	require.NoError(t, err)
+	rules := newTestingRuleConfig(t)
 
-	rules := apimodels.PostableRuleGroupConfig{
-		Name: "arulegroup",
-		Rules: []apimodels.PostableExtendedRuleNode{
-			{
-				ApiRuleNode: &apimodels.ApiRuleNode{
-					For:         interval,
-					Labels:      map[string]string{"label1": "val1"},
-					Annotations: map[string]string{"annotation1": "val1"},
-				},
-				// this rule does not explicitly set no data and error states
-				// therefore it should get the default values
-				GrafanaManagedAlert: &apimodels.PostableGrafanaRule{
-					Title:     "AlwaysFiring",
-					Condition: "A",
-					Data: []ngmodels.AlertQuery{
-						{
-							RefID: "A",
-							RelativeTimeRange: ngmodels.RelativeTimeRange{
-								From: ngmodels.Duration(time.Duration(5) * time.Hour),
-								To:   ngmodels.Duration(time.Duration(3) * time.Hour),
-							},
-							DatasourceUID: "-100",
-							Model: json.RawMessage(`{
-								"type": "math",
-								"expression": "2 + 3 > 1"
-								}`),
-						},
-					},
-				},
-			},
-		},
-	}
 	buf := bytes.Buffer{}
 	enc := json.NewEncoder(&buf)
 	err = enc.Encode(&rules)
@@ -410,7 +377,22 @@ func TestAlertRuleConflictingTitle(t *testing.T) {
 	assert.Equal(t, http.StatusAccepted, resp.StatusCode)
 	require.JSONEq(t, `{"message":"rule group updated successfully"}`, string(b))
 
+	// fetch the created rules, so we can get the uid's and trigger
+	// and update by reusing the uid's
+	resp, err = http.Get(u + "/" + rules.Name)
+	require.NoError(t, err)
+
+	var createdRuleGroup apimodels.GettableRuleGroupConfig
+	data, err := ioutil.ReadAll(resp.Body)
+	require.NoError(t, err)
+
+	err = json.Unmarshal(data, &createdRuleGroup)
+	require.NoError(t, err)
+	require.Len(t, createdRuleGroup.Rules, 2)
+
 	t.Run("trying to create alert with same title under same folder should fail", func(t *testing.T) {
+		rules := newTestingRuleConfig(t)
+
 		buf := bytes.Buffer{}
 		enc := json.NewEncoder(&buf)
 		err = enc.Encode(&rules)
@@ -428,10 +410,36 @@ func TestAlertRuleConflictingTitle(t *testing.T) {
 		require.NoError(t, err)
 
 		assert.Equal(t, http.StatusInternalServerError, resp.StatusCode)
-		require.JSONEq(t, `{"message": "failed to update rule group: failed to add or update rules: a conflicting alert rule is found: rule title under the same organisation and folder should be unique"}`, string(b))
+		require.JSONEq(t, `{"message": "failed to update rule group: failed to add rules: a conflicting alert rule is found: rule title under the same organisation and folder should be unique"}`, string(b))
+	})
+
+	t.Run("trying to update an alert to the title of an existing alert in the same folder should fail", func(t *testing.T) {
+		rules := newTestingRuleConfig(t)
+		rules.Rules[0].GrafanaManagedAlert.UID = createdRuleGroup.Rules[0].GrafanaManagedAlert.UID
+		rules.Rules[1].GrafanaManagedAlert.UID = createdRuleGroup.Rules[1].GrafanaManagedAlert.UID
+		rules.Rules[1].GrafanaManagedAlert.Title = "AlwaysFiring"
+		buf := bytes.Buffer{}
+		enc := json.NewEncoder(&buf)
+		err = enc.Encode(&rules)
+		require.NoError(t, err)
+
+		u := fmt.Sprintf("http://admin:admin@%s/api/ruler/grafana/api/v1/rules/folder1", grafanaListedAddr)
+		// nolint:gosec
+		resp, err := http.Post(u, "application/json", &buf)
+		require.NoError(t, err)
+		t.Cleanup(func() {
+			err := resp.Body.Close()
+			require.NoError(t, err)
+		})
+		b, err := ioutil.ReadAll(resp.Body)
+		require.NoError(t, err)
+
+		assert.Equal(t, http.StatusInternalServerError, resp.StatusCode)
+		require.JSONEq(t, `{"message": "failed to update rule group: failed to update rules: a conflicting alert rule is found: rule title under the same organisation and folder should be unique"}`, string(b))
 	})
 
 	t.Run("trying to create alert with same title under another folder should succeed", func(t *testing.T) {
+		rules := newTestingRuleConfig(t)
 		buf := bytes.Buffer{}
 		enc := json.NewEncoder(&buf)
 		err = enc.Encode(&rules)
@@ -800,3 +808,71 @@ func TestRulerRulesFilterByDashboard(t *testing.T) {
 		require.JSONEq(t, `{"message": "panel_id must be set with dashboard_uid"}`, string(b))
 	}
 }
+
+func newTestingRuleConfig(t *testing.T) apimodels.PostableRuleGroupConfig {
+	interval, err := model.ParseDuration("1m")
+	require.NoError(t, err)
+
+	firstRule := apimodels.PostableExtendedRuleNode{
+		ApiRuleNode: &apimodels.ApiRuleNode{
+			For:         interval,
+			Labels:      map[string]string{"label1": "val1"},
+			Annotations: map[string]string{"annotation1": "val1"},
+		},
+		// this rule does not explicitly set no data and error states
+		// therefore it should get the default values
+		GrafanaManagedAlert: &apimodels.PostableGrafanaRule{
+			Title:     "AlwaysFiring",
+			Condition: "A",
+			Data: []ngmodels.AlertQuery{
+				{
+					RefID: "A",
+					RelativeTimeRange: ngmodels.RelativeTimeRange{
+						From: ngmodels.Duration(time.Duration(5) * time.Hour),
+						To:   ngmodels.Duration(time.Duration(3) * time.Hour),
+					},
+					DatasourceUID: "-100",
+					Model: json.RawMessage(`{
+						"type": "math",
+						"expression": "2 + 3 > 1"
+						}`),
+				},
+			},
+		},
+	}
+	secondRule := apimodels.PostableExtendedRuleNode{
+		ApiRuleNode: &apimodels.ApiRuleNode{
+			For:         interval,
+			Labels:      map[string]string{"label1": "val1"},
+			Annotations: map[string]string{"annotation1": "val1"},
+		},
+		// this rule does not explicitly set no data and error states
+		// therefore it should get the default values
+		GrafanaManagedAlert: &apimodels.PostableGrafanaRule{
+			Title:     "AlwaysFiring2",
+			Condition: "A",
+			Data: []ngmodels.AlertQuery{
+				{
+					RefID: "A",
+					RelativeTimeRange: ngmodels.RelativeTimeRange{
+						From: ngmodels.Duration(time.Duration(5) * time.Hour),
+						To:   ngmodels.Duration(time.Duration(3) * time.Hour),
+					},
+					DatasourceUID: "-100",
+					Model: json.RawMessage(`{
+						"type": "math",
+						"expression": "2 + 3 > 1"
+						}`),
+				},
+			},
+		},
+	}
+
+	return apimodels.PostableRuleGroupConfig{
+		Name: "arulegroup",
+		Rules: []apimodels.PostableExtendedRuleNode{
+			firstRule,
+			secondRule,
+		},
+	}
+}