prometheus/storage/local/storagetool/main.go
2016-03-07 16:30:19 +01:00

77 lines
2 KiB
Go

// Copyright 2016 The Prometheus Authors
// 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 main
import (
"bytes"
"fmt"
"os"
"strings"
"text/template"
"github.com/prometheus/prometheus/util/cli"
"github.com/prometheus/prometheus/version"
"github.com/prometheus/prometheus/storage/local"
)
// DumpHeadsCmd dumps metadata of a heads.db file.
func DumpHeadsCmd(t cli.Term, args ...string) int {
if len(args) != 1 {
t.Infof("usage: storagetool dump-heads <file>")
return 2
}
if err := local.DumpHeads(args[0], t.Out()); err != nil {
t.Errorf(" FAILED: %s", err)
return 1
}
return 0
}
var versionInfoTmpl = `
prometheus, version {{.version}} (branch: {{.branch}}, revision: {{.revision}})
build user: {{.buildUser}}
build date: {{.buildDate}}
go version: {{.goVersion}}
`
// VersionCmd prints the binaries version information.
func VersionCmd(t cli.Term, _ ...string) int {
tmpl := template.Must(template.New("version").Parse(versionInfoTmpl))
var buf bytes.Buffer
if err := tmpl.ExecuteTemplate(&buf, "version", version.Map); err != nil {
panic(err)
}
fmt.Fprintln(t.Out(), strings.TrimSpace(buf.String()))
return 0
}
func main() {
app := cli.NewApp("storagetool")
app.Register("dump-heads", &cli.Command{
Desc: "dump metadata of a heads.db checkpoint file",
Run: DumpHeadsCmd,
})
app.Register("version", &cli.Command{
Desc: "print the version of this binary",
Run: VersionCmd,
})
t := cli.BasicTerm(os.Stdout, os.Stderr)
os.Exit(app.Run(t, os.Args[1:]...))
}