Alerting Unification: Use the errors from grafana/alerting in Silences (#61334)

This commit is contained in:
gotjosh
2023-01-12 10:03:49 -04:00
committed by GitHub
parent 3e8857acb8
commit 39e429a14b
2 changed files with 22 additions and 27 deletions

View File

@@ -10,6 +10,7 @@ import (
"time"
"github.com/go-openapi/strfmt"
"github.com/grafana/alerting/alerting"
"github.com/grafana/grafana/pkg/api/response"
"github.com/grafana/grafana/pkg/infra/log"
@@ -76,11 +77,11 @@ func (srv AlertmanagerSrv) RouteCreateSilence(c *models.ReqContext, postableSile
silenceID, err := am.CreateSilence(&postableSilence)
if err != nil {
if errors.Is(err, notifier.ErrSilenceNotFound) {
if errors.Is(err, alerting.ErrSilenceNotFound) {
return ErrResp(http.StatusNotFound, err, "")
}
if errors.Is(err, notifier.ErrCreateSilenceBadPayload) {
if errors.Is(err, alerting.ErrCreateSilenceBadPayload) {
return ErrResp(http.StatusBadRequest, err, "")
}
@@ -112,7 +113,7 @@ func (srv AlertmanagerSrv) RouteDeleteSilence(c *models.ReqContext, silenceID st
}
if err := am.DeleteSilence(silenceID); err != nil {
if errors.Is(err, notifier.ErrSilenceNotFound) {
if errors.Is(err, alerting.ErrSilenceNotFound) {
return ErrResp(http.StatusNotFound, err, "")
}
return ErrResp(http.StatusInternalServerError, err, "")
@@ -190,7 +191,7 @@ func (srv AlertmanagerSrv) RouteGetSilence(c *models.ReqContext, silenceID strin
gettableSilence, err := am.GetSilence(silenceID)
if err != nil {
if errors.Is(err, notifier.ErrSilenceNotFound) {
if errors.Is(err, alerting.ErrSilenceNotFound) {
return ErrResp(http.StatusNotFound, err, "")
}
// any other error here should be an unexpected failure and thus an internal error
@@ -207,7 +208,7 @@ func (srv AlertmanagerSrv) RouteGetSilences(c *models.ReqContext) response.Respo
gettableSilences, err := am.ListSilences(c.QueryStrings("filter"))
if err != nil {
if errors.Is(err, notifier.ErrListSilencesBadPayload) {
if errors.Is(err, alerting.ErrListSilencesBadPayload) {
return ErrResp(http.StatusBadRequest, err, "")
}
// any other error here should be an unexpected failure and thus an internal error

View File

@@ -5,31 +5,25 @@ import (
"fmt"
"time"
"github.com/grafana/alerting/alerting"
apimodels "github.com/grafana/grafana/pkg/services/ngalert/api/tooling/definitions"
v2 "github.com/prometheus/alertmanager/api/v2"
"github.com/prometheus/alertmanager/silence"
)
var (
ErrGetSilencesInternal = fmt.Errorf("unable to retrieve silence(s) due to an internal error")
ErrDeleteSilenceInternal = fmt.Errorf("unable to delete silence due to an internal error")
ErrCreateSilenceBadPayload = fmt.Errorf("unable to create silence")
ErrListSilencesBadPayload = fmt.Errorf("unable to list silences")
ErrSilenceNotFound = silence.ErrNotFound
)
// ListSilences retrieves a list of stored silences. It supports a set of labels as filters.
func (am *Alertmanager) ListSilences(filter []string) (apimodels.GettableSilences, error) {
matchers, err := parseFilter(filter)
if err != nil {
am.logger.Error("failed to parse matchers", "error", err)
return nil, fmt.Errorf("%s: %w", ErrListSilencesBadPayload.Error(), err)
return nil, fmt.Errorf("%s: %w", alerting.ErrListSilencesBadPayload.Error(), err)
}
psils, _, err := am.silences.Query()
if err != nil {
am.logger.Error(ErrGetSilencesInternal.Error(), "error", err)
return nil, fmt.Errorf("%s: %w", ErrGetSilencesInternal.Error(), err)
am.logger.Error(alerting.ErrGetSilencesInternal.Error(), "error", err)
return nil, fmt.Errorf("%s: %w", alerting.ErrGetSilencesInternal.Error(), err)
}
sils := apimodels.GettableSilences{}
@@ -41,7 +35,7 @@ func (am *Alertmanager) ListSilences(filter []string) (apimodels.GettableSilence
if err != nil {
am.logger.Error("unmarshaling from protobuf failed", "error", err)
return apimodels.GettableSilences{}, fmt.Errorf("%s: failed to convert internal silence to API silence: %w",
ErrGetSilencesInternal.Error(), err)
alerting.ErrGetSilencesInternal.Error(), err)
}
sils = append(sils, &silence)
}
@@ -55,19 +49,19 @@ func (am *Alertmanager) ListSilences(filter []string) (apimodels.GettableSilence
func (am *Alertmanager) GetSilence(silenceID string) (apimodels.GettableSilence, error) {
sils, _, err := am.silences.Query(silence.QIDs(silenceID))
if err != nil {
return apimodels.GettableSilence{}, fmt.Errorf("%s: %w", ErrGetSilencesInternal.Error(), err)
return apimodels.GettableSilence{}, fmt.Errorf("%s: %w", alerting.ErrGetSilencesInternal.Error(), err)
}
if len(sils) == 0 {
am.logger.Error("failed to find silence", "error", err, "id", sils)
return apimodels.GettableSilence{}, ErrSilenceNotFound
return apimodels.GettableSilence{}, alerting.ErrSilenceNotFound
}
sil, err := v2.GettableSilenceFromProto(sils[0])
if err != nil {
am.logger.Error("unmarshaling from protobuf failed", "error", err)
return apimodels.GettableSilence{}, fmt.Errorf("%s: failed to convert internal silence to API silence: %w",
ErrGetSilencesInternal.Error(), err)
alerting.ErrGetSilencesInternal.Error(), err)
}
return sil, nil
@@ -79,28 +73,28 @@ func (am *Alertmanager) CreateSilence(ps *apimodels.PostableSilence) (string, er
if err != nil {
am.logger.Error("marshaling to protobuf failed", "error", err)
return "", fmt.Errorf("%s: failed to convert API silence to internal silence: %w",
ErrCreateSilenceBadPayload.Error(), err)
alerting.ErrCreateSilenceBadPayload.Error(), err)
}
if sil.StartsAt.After(sil.EndsAt) || sil.StartsAt.Equal(sil.EndsAt) {
msg := "start time must be before end time"
am.logger.Error(msg, "error", "starts_at", sil.StartsAt, "ends_at", sil.EndsAt)
return "", fmt.Errorf("%s: %w", msg, ErrCreateSilenceBadPayload)
return "", fmt.Errorf("%s: %w", msg, alerting.ErrCreateSilenceBadPayload)
}
if sil.EndsAt.Before(time.Now()) {
msg := "end time can't be in the past"
am.logger.Error(msg, "ends_at", sil.EndsAt)
return "", fmt.Errorf("%s: %w", msg, ErrCreateSilenceBadPayload)
return "", fmt.Errorf("%s: %w", msg, alerting.ErrCreateSilenceBadPayload)
}
silenceID, err := am.silences.Set(sil)
if err != nil {
am.logger.Error("msg", "unable to save silence", "error", err)
if errors.Is(err, silence.ErrNotFound) {
return "", ErrSilenceNotFound
return "", alerting.ErrSilenceNotFound
}
return "", fmt.Errorf("unable to save silence: %s: %w", err.Error(), ErrCreateSilenceBadPayload)
return "", fmt.Errorf("unable to save silence: %s: %w", err.Error(), alerting.ErrCreateSilenceBadPayload)
}
return silenceID, nil
@@ -110,9 +104,9 @@ func (am *Alertmanager) CreateSilence(ps *apimodels.PostableSilence) (string, er
func (am *Alertmanager) DeleteSilence(silenceID string) error {
if err := am.silences.Expire(silenceID); err != nil {
if errors.Is(err, silence.ErrNotFound) {
return ErrSilenceNotFound
return alerting.ErrSilenceNotFound
}
return fmt.Errorf("%s: %w", err.Error(), ErrDeleteSilenceInternal)
return fmt.Errorf("%s: %w", err.Error(), alerting.ErrDeleteSilenceInternal)
}
return nil