/
compat.go
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/
compat.go
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// Copyright 2021 Prometheus Team
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package v2
import (
"fmt"
"time"
"github.com/go-openapi/strfmt"
prometheus_model "github.com/prometheus/common/model"
open_api_models "github.com/prometheus/alertmanager/api/v2/models"
"github.com/prometheus/alertmanager/silence/silencepb"
"github.com/prometheus/alertmanager/types"
)
// GettableSilenceFromProto converts *silencepb.Silence to open_api_models.GettableSilence.
func GettableSilenceFromProto(s *silencepb.Silence) (open_api_models.GettableSilence, error) {
start := strfmt.DateTime(s.StartsAt)
end := strfmt.DateTime(s.EndsAt)
updated := strfmt.DateTime(s.UpdatedAt)
state := string(types.CalcSilenceState(s.StartsAt, s.EndsAt))
sil := open_api_models.GettableSilence{
Silence: open_api_models.Silence{
StartsAt: &start,
EndsAt: &end,
Comment: &s.Comment,
CreatedBy: &s.CreatedBy,
},
ID: &s.Id,
UpdatedAt: &updated,
Status: &open_api_models.SilenceStatus{
State: &state,
},
}
for _, m := range s.Matchers {
matcher := &open_api_models.Matcher{
Name: &m.Name,
Value: &m.Pattern,
}
f := false
t := true
switch m.Type {
case silencepb.Matcher_EQUAL:
matcher.IsEqual = &t
matcher.IsRegex = &f
case silencepb.Matcher_NOT_EQUAL:
matcher.IsEqual = &f
matcher.IsRegex = &f
case silencepb.Matcher_REGEXP:
matcher.IsEqual = &t
matcher.IsRegex = &t
case silencepb.Matcher_NOT_REGEXP:
matcher.IsEqual = &f
matcher.IsRegex = &t
default:
return sil, fmt.Errorf(
"unknown matcher type for matcher '%v' in silence '%v'",
m.Name,
s.Id,
)
}
sil.Matchers = append(sil.Matchers, matcher)
}
return sil, nil
}
// PostableSilenceToProto converts *open_api_models.PostableSilenc to *silencepb.Silence.
func PostableSilenceToProto(s *open_api_models.PostableSilence) (*silencepb.Silence, error) {
sil := &silencepb.Silence{
Id: s.ID,
StartsAt: time.Time(*s.StartsAt),
EndsAt: time.Time(*s.EndsAt),
Comment: *s.Comment,
CreatedBy: *s.CreatedBy,
}
for _, m := range s.Matchers {
matcher := &silencepb.Matcher{
Name: *m.Name,
Pattern: *m.Value,
}
isEqual := true
if m.IsEqual != nil {
isEqual = *m.IsEqual
}
isRegex := false
if m.IsRegex != nil {
isRegex = *m.IsRegex
}
switch {
case isEqual && !isRegex:
matcher.Type = silencepb.Matcher_EQUAL
case !isEqual && !isRegex:
matcher.Type = silencepb.Matcher_NOT_EQUAL
case isEqual && isRegex:
matcher.Type = silencepb.Matcher_REGEXP
case !isEqual && isRegex:
matcher.Type = silencepb.Matcher_NOT_REGEXP
}
sil.Matchers = append(sil.Matchers, matcher)
}
return sil, nil
}
// AlertToOpenAPIAlert converts internal alerts, alert types, and receivers to *open_api_models.GettableAlert.
func AlertToOpenAPIAlert(alert *types.Alert, status types.AlertStatus, receivers []string) *open_api_models.GettableAlert {
startsAt := strfmt.DateTime(alert.StartsAt)
updatedAt := strfmt.DateTime(alert.UpdatedAt)
endsAt := strfmt.DateTime(alert.EndsAt)
apiReceivers := make([]*open_api_models.Receiver, 0, len(receivers))
for i := range receivers {
apiReceivers = append(apiReceivers, &open_api_models.Receiver{Name: &receivers[i]})
}
fp := alert.Fingerprint().String()
state := string(status.State)
aa := &open_api_models.GettableAlert{
Alert: open_api_models.Alert{
GeneratorURL: strfmt.URI(alert.GeneratorURL),
Labels: ModelLabelSetToAPILabelSet(alert.Labels),
},
Annotations: ModelLabelSetToAPILabelSet(alert.Annotations),
StartsAt: &startsAt,
UpdatedAt: &updatedAt,
EndsAt: &endsAt,
Fingerprint: &fp,
Receivers: apiReceivers,
Status: &open_api_models.AlertStatus{
State: &state,
SilencedBy: status.SilencedBy,
InhibitedBy: status.InhibitedBy,
},
}
if aa.Status.SilencedBy == nil {
aa.Status.SilencedBy = []string{}
}
if aa.Status.InhibitedBy == nil {
aa.Status.InhibitedBy = []string{}
}
return aa
}
// OpenAPIAlertsToAlerts converts open_api_models.PostableAlerts to []*types.Alert.
func OpenAPIAlertsToAlerts(apiAlerts open_api_models.PostableAlerts) []*types.Alert {
alerts := []*types.Alert{}
for _, apiAlert := range apiAlerts {
alert := types.Alert{
Alert: prometheus_model.Alert{
Labels: APILabelSetToModelLabelSet(apiAlert.Labels),
Annotations: APILabelSetToModelLabelSet(apiAlert.Annotations),
StartsAt: time.Time(apiAlert.StartsAt),
EndsAt: time.Time(apiAlert.EndsAt),
GeneratorURL: string(apiAlert.GeneratorURL),
},
}
alerts = append(alerts, &alert)
}
return alerts
}
// ModelLabelSetToAPILabelSet converts prometheus_model.LabelSet to open_api_models.LabelSet.
func ModelLabelSetToAPILabelSet(modelLabelSet prometheus_model.LabelSet) open_api_models.LabelSet {
apiLabelSet := open_api_models.LabelSet{}
for key, value := range modelLabelSet {
apiLabelSet[string(key)] = string(value)
}
return apiLabelSet
}
// APILabelSetToModelLabelSet converts open_api_models.LabelSet to prometheus_model.LabelSet.
func APILabelSetToModelLabelSet(apiLabelSet open_api_models.LabelSet) prometheus_model.LabelSet {
modelLabelSet := prometheus_model.LabelSet{}
for key, value := range apiLabelSet {
modelLabelSet[prometheus_model.LabelName(key)] = prometheus_model.LabelValue(value)
}
return modelLabelSet
}