Alerting: use duration model for alert rule provisioning api (#53196)

pkg/services/ngalert/api/api_provisioning.go

@@ -254,7 +254,11 @@ func (srv *ProvisioningSrv) RouteRouteGetAlertRule(c *models.ReqContext, UID str
 }
 
 func (srv *ProvisioningSrv) RoutePostAlertRule(c *models.ReqContext, ar definitions.ProvisionedAlertRule) response.Response {
-	createdAlertRule, err := srv.alertRules.CreateAlertRule(c.Req.Context(), ar.UpstreamModel(), alerting_models.ProvenanceAPI, c.UserID)
+	upstreamModel, err := ar.UpstreamModel()
+	if err != nil {
+		ErrResp(http.StatusBadRequest, err, "")
+	}
+	createdAlertRule, err := srv.alertRules.CreateAlertRule(c.Req.Context(), upstreamModel, alerting_models.ProvenanceAPI, c.UserID)
 	if errors.Is(err, alerting_models.ErrAlertRuleFailedValidation) {
 		return ErrResp(http.StatusBadRequest, err, "")
 	}
@@ -274,9 +278,12 @@ func (srv *ProvisioningSrv) RoutePostAlertRule(c *models.ReqContext, ar definiti
 }
 
 func (srv *ProvisioningSrv) RoutePutAlertRule(c *models.ReqContext, ar definitions.ProvisionedAlertRule, UID string) response.Response {
-	updated := ar.UpstreamModel()
+	updated, err := ar.UpstreamModel()
+	if err != nil {
+		ErrResp(http.StatusBadRequest, err, "")
+	}
 	updated.UID = UID
-	updatedAlertRule, err := srv.alertRules.UpdateAlertRule(c.Req.Context(), ar.UpstreamModel(), alerting_models.ProvenanceAPI)
+	updatedAlertRule, err := srv.alertRules.UpdateAlertRule(c.Req.Context(), updated, alerting_models.ProvenanceAPI)
 	if errors.Is(err, alerting_models.ErrAlertRuleNotFound) {
 		return response.Empty(http.StatusNotFound)
 	}

pkg/services/ngalert/api/api_provisioning_test.go

@@ -10,6 +10,7 @@ import (
 
 	prometheus "github.com/prometheus/alertmanager/config"
 	"github.com/prometheus/alertmanager/timeinterval"
+	"github.com/prometheus/common/model"
 	"github.com/stretchr/testify/require"
 
 	"github.com/grafana/grafana/pkg/components/simplejson"
@@ -243,11 +244,13 @@ func TestProvisioningApi(t *testing.T) {
 			t.Run("PUT returns 400", func(t *testing.T) {
 				sut := createProvisioningSrvSut(t)
 				rc := createTestRequestCtx()
-				insertRule(t, sut, createTestAlertRule("rule", 1))
-				rule := createInvalidAlertRule()
-
-				response := sut.RoutePutAlertRule(&rc, rule, "rule")
+				uid := "123123"
+				rule := createTestAlertRule("rule", 1)
+				rule.UID = uid
+				insertRule(t, sut, rule)
+				rule = createInvalidAlertRule()
 
+				response := sut.RoutePutAlertRule(&rc, rule, uid)
 				require.Equal(t, 400, response.Status())
 				require.NotEmpty(t, response.Body())
 				require.Contains(t, string(response.Body()), "invalid alert rule")
@@ -533,7 +536,7 @@ func createTestAlertRule(title string, orgID int64) definitions.ProvisionedAlert
 		},
 		RuleGroup:    "my-cool-group",
 		FolderUID:    "folder-uid",
-		For:          time.Second * 60,
+		For:          model.Duration(60),
 		NoDataState:  models.OK,
 		ExecErrState: models.OkErrState,
 	}

pkg/services/ngalert/api/tooling/definitions/provisioning_alert_rules.go

@@ -4,6 +4,7 @@ import (
 	"time"
 
 	"github.com/grafana/grafana/pkg/services/ngalert/models"
+	"github.com/prometheus/common/model"
 )
 
 // swagger:route GET /api/v1/provisioning/alert-rules/{UID} provisioning stable RouteGetAlertRule
@@ -87,7 +88,7 @@ type ProvisionedAlertRule struct {
 	// required: true
 	ExecErrState models.ExecutionErrorState `json:"execErrState"`
 	// required: true
-	For time.Duration `json:"for"`
+	For model.Duration `json:"for"`
 	// example: {"runbook_url": "https://supercoolrunbook.com/page/13"}
 	Annotations map[string]string `json:"annotations,omitempty"`
 	// example: {"team": "sre-team-1"}
@@ -96,7 +97,11 @@ type ProvisionedAlertRule struct {
 	Provenance models.Provenance `json:"provenance,omitempty"`
 }
 
-func (a *ProvisionedAlertRule) UpstreamModel() models.AlertRule {
+func (a *ProvisionedAlertRule) UpstreamModel() (models.AlertRule, error) {
+	forDur, err := time.ParseDuration(a.For.String())
+	if err != nil {
+		return models.AlertRule{}, err
+	}
 	return models.AlertRule{
 		ID:           a.ID,
 		UID:          a.UID,
@@ -109,10 +114,10 @@ func (a *ProvisionedAlertRule) UpstreamModel() models.AlertRule {
 		Updated:      a.Updated,
 		NoDataState:  a.NoDataState,
 		ExecErrState: a.ExecErrState,
-		For:          a.For,
+		For:          forDur,
 		Annotations:  a.Annotations,
 		Labels:       a.Labels,
-	}
+	}, nil
 }
 
 func NewAlertRule(rule models.AlertRule, provenance models.Provenance) ProvisionedAlertRule {
@@ -123,7 +128,7 @@ func NewAlertRule(rule models.AlertRule, provenance models.Provenance) Provision
 		FolderUID:    rule.NamespaceUID,
 		RuleGroup:    rule.RuleGroup,
 		Title:        rule.Title,
-		For:          rule.For,
+		For:          model.Duration(rule.For.Seconds()),
 		Condition:    rule.Condition,
 		Data:         rule.Data,
 		Updated:      rule.Updated,