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// 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 cli
import (
"context"
"errors"
"fmt"
"time"
"github.com/prometheus/client_golang/api"
"gopkg.in/alecthomas/kingpin.v2"
"github.com/prometheus/alertmanager/cli/format"
"github.com/prometheus/alertmanager/client"
"github.com/prometheus/alertmanager/types"
"github.com/prometheus/common/model"
)
type silenceUpdateCmd struct {
quiet bool
duration string
start string
end string
comment string
ids []string
}
func configureSilenceUpdateCmd(cc *kingpin.CmdClause) {
var (
c = &silenceUpdateCmd{}
updateCmd = cc.Command("update", "Update silences")
)
updateCmd.Flag("quiet", "Only show silence ids").Short('q').BoolVar(&c.quiet)
updateCmd.Flag("duration", "Duration of silence").Short('d').StringVar(&c.duration)
updateCmd.Flag("start", "Set when the silence should start. RFC3339 format 2006-01-02T15:04:05Z07:00").StringVar(&c.start)
updateCmd.Flag("end", "Set when the silence should end (overwrites duration). RFC3339 format 2006-01-02T15:04:05Z07:00").StringVar(&c.end)
updateCmd.Flag("comment", "A comment to help describe the silence").Short('c').StringVar(&c.comment)
updateCmd.Arg("update-ids", "Silence IDs to update").StringsVar(&c.ids)
updateCmd.Action(c.update)
}
func (c *silenceUpdateCmd) update(ctx *kingpin.ParseContext) error {
if len(c.ids) < 1 {
return fmt.Errorf("no silence IDs specified")
}
apiClient, err := api.NewClient(api.Config{Address: alertmanagerURL.String()})
if err != nil {
return err
}
silenceAPI := client.NewSilenceAPI(apiClient)
var updatedSilences []types.Silence
for _, silenceID := range c.ids {
silence, err := silenceAPI.Get(context.Background(), silenceID)
if err != nil {
return err
}
if c.start != "" {
silence.StartsAt, err = time.Parse(time.RFC3339, c.start)
if err != nil {
return err
}
}
if c.end != "" {
silence.EndsAt, err = time.Parse(time.RFC3339, c.end)
if err != nil {
return err
}
} else if c.duration != "" {
d, err := model.ParseDuration(c.duration)
if err != nil {
return err
}
if d == 0 {
return fmt.Errorf("silence duration must be greater than 0")
}
silence.EndsAt = silence.StartsAt.UTC().Add(time.Duration(d))
}
if silence.StartsAt.After(silence.EndsAt) {
return errors.New("silence cannot start after it ends")
}
if c.comment != "" {
silence.Comment = c.comment
}
newID, err := silenceAPI.Set(context.Background(), *silence)
if err != nil {
return err
}
silence.ID = newID
updatedSilences = append(updatedSilences, *silence)
}
if c.quiet {
for _, silence := range updatedSilences {
fmt.Println(silence.ID)
}
} else {
formatter, found := format.Formatters[output]
if !found {
return fmt.Errorf("unknown output formatter")
}
if err := formatter.FormatSilences(updatedSilences); err != nil {
return fmt.Errorf("error formatting silences: %v", err)
}
}
return nil
}
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