117 lines
2.5 KiB
Go
117 lines
2.5 KiB
Go
package cli
|
|
|
|
import (
|
|
"encoding/json"
|
|
"fmt"
|
|
"os"
|
|
"sync"
|
|
|
|
"github.com/alecthomas/kingpin"
|
|
"github.com/pkg/errors"
|
|
"github.com/prometheus/alertmanager/types"
|
|
)
|
|
|
|
var (
|
|
importCmd = silenceCmd.Command("import", "Import silences")
|
|
force = importCmd.Flag("force", "Force adding new silences even if it already exists").Short('f').Bool()
|
|
workers = importCmd.Flag("worker", "Number of concurrent workers to use for import").Short('w').Default("8").Int()
|
|
importFile = importCmd.Arg("input-file", "JSON file with silences").ExistingFile()
|
|
)
|
|
|
|
func init() {
|
|
importCmd.Action(bulkImport)
|
|
longHelpText["silence import"] = `Import alertmanager silences from JSON file or stdin
|
|
|
|
This command can be used to bulk import silences from a JSON file
|
|
created by query command. For example:
|
|
|
|
amtool silence query -o json foo > foo.json
|
|
amtool silence import foo.json
|
|
|
|
JSON data can also come from stdin if no param is specified.`
|
|
}
|
|
|
|
func addSilenceWorker(silencec <-chan *types.Silence, errc chan<- error) {
|
|
for s := range silencec {
|
|
silenceId, err := addSilence(s)
|
|
sid := s.ID
|
|
if err != nil && err.Error() == "[bad_data] not found" {
|
|
// silence doesn't exists yet, retry to create as a new one
|
|
s.ID = ""
|
|
silenceId, err = addSilence(s)
|
|
}
|
|
|
|
if err != nil {
|
|
fmt.Fprintf(os.Stderr, "Error adding silence id='%v': %v", sid, err)
|
|
} else {
|
|
fmt.Println(silenceId)
|
|
}
|
|
errc <- err
|
|
}
|
|
}
|
|
|
|
func bulkImport(element *kingpin.ParseElement, ctx *kingpin.ParseContext) error {
|
|
input := os.Stdin
|
|
var err error
|
|
if *importFile != "" {
|
|
input, err = os.Open(*importFile)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer input.Close()
|
|
}
|
|
|
|
dec := json.NewDecoder(input)
|
|
// read open square bracket
|
|
_, err = dec.Token()
|
|
if err != nil {
|
|
return errors.Wrap(err, "couldn't unmarshal input data, is it JSON?")
|
|
}
|
|
|
|
silencec := make(chan *types.Silence, 100)
|
|
errc := make(chan error, 100)
|
|
var wg sync.WaitGroup
|
|
for w := 0; w < *workers; w++ {
|
|
wg.Add(1)
|
|
go func() {
|
|
addSilenceWorker(silencec, errc)
|
|
wg.Done()
|
|
}()
|
|
}
|
|
|
|
errCount := 0
|
|
go func() {
|
|
for err := range errc {
|
|
if err != nil {
|
|
errCount++
|
|
}
|
|
}
|
|
}()
|
|
|
|
count := 0
|
|
for dec.More() {
|
|
var s types.Silence
|
|
err := dec.Decode(&s)
|
|
if err != nil {
|
|
return errors.Wrap(err, "couldn't unmarshal input data, is it JSON?")
|
|
}
|
|
|
|
if *force {
|
|
// reset the silence ID so Alertmanager will always create new silence
|
|
s.ID = ""
|
|
}
|
|
|
|
silencec <- &s
|
|
count++
|
|
}
|
|
|
|
close(silencec)
|
|
wg.Wait()
|
|
close(errc)
|
|
|
|
if errCount > 0 {
|
|
return fmt.Errorf("couldn't import %v out of %v silences", errCount, count)
|
|
}
|
|
return nil
|
|
}
|