alertmanager/cli/format/format.go

71 lines
2.0 KiB
Go

// Copyright 2018 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 format
import (
"io"
"time"
"github.com/alecthomas/kingpin/v2"
"github.com/go-openapi/strfmt"
"github.com/prometheus/alertmanager/api/v2/models"
"github.com/prometheus/alertmanager/pkg/labels"
)
const DefaultDateFormat = "2006-01-02 15:04:05 MST"
var dateFormat *string
func InitFormatFlags(app *kingpin.Application) {
dateFormat = app.Flag("date.format", "Format of date output").Default(DefaultDateFormat).String()
}
// Formatter needs to be implemented for each new output formatter.
type Formatter interface {
SetOutput(io.Writer)
FormatSilences([]models.GettableSilence) error
FormatAlerts([]*models.GettableAlert) error
FormatConfig(*models.AlertmanagerStatus) error
FormatClusterStatus(status *models.ClusterStatus) error
}
// Formatters is a map of cli argument names to formatter interface object.
var Formatters = map[string]Formatter{}
func FormatDate(input strfmt.DateTime) string {
return time.Time(input).Format(*dateFormat)
}
func labelsMatcher(m models.Matcher) *labels.Matcher {
var t labels.MatchType
// Support for older alertmanager releases, which did not support isEqual.
if m.IsEqual == nil {
isEqual := true
m.IsEqual = &isEqual
}
switch {
case !*m.IsRegex && *m.IsEqual:
t = labels.MatchEqual
case !*m.IsRegex && !*m.IsEqual:
t = labels.MatchNotEqual
case *m.IsRegex && *m.IsEqual:
t = labels.MatchRegexp
case *m.IsRegex && !*m.IsEqual:
t = labels.MatchNotRegexp
}
return &labels.Matcher{Type: t, Name: *m.Name, Value: *m.Value}
}