prometheus/cmd/promtool/debug.go
Matthieu MOREL 36eee11434
refactor (package cmd): move from github.com/pkg/errors to 'errors' and 'fmt' packages (#10733)
Signed-off-by: Matthieu MOREL <mmorel-35@users.noreply.github.com>

Co-authored-by: Matthieu MOREL <mmorel-35@users.noreply.github.com>
2022-05-24 16:58:59 +10:00

67 lines
1.9 KiB
Go

// Copyright 2015 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 (
"fmt"
"io"
"net/http"
)
type debugWriterConfig struct {
serverURL string
tarballName string
endPointGroups []endpointsGroup
}
func debugWrite(cfg debugWriterConfig) error {
archiver, err := newTarGzFileWriter(cfg.tarballName)
if err != nil {
return fmt.Errorf("error creating a new archiver: %w", err)
}
for _, endPointGroup := range cfg.endPointGroups {
for url, filename := range endPointGroup.urlToFilename {
url := cfg.serverURL + url
fmt.Println("collecting:", url)
res, err := http.Get(url)
if err != nil {
return fmt.Errorf("error executing HTTP request: %w", err)
}
body, err := io.ReadAll(res.Body)
res.Body.Close()
if err != nil {
return fmt.Errorf("error reading the response body: %w", err)
}
if endPointGroup.postProcess != nil {
body, err = endPointGroup.postProcess(body)
if err != nil {
return fmt.Errorf("error post-processing HTTP response body: %w", err)
}
}
if err := archiver.write(filename, body); err != nil {
return fmt.Errorf("error writing into the archive: %w", err)
}
}
}
if err := archiver.close(); err != nil {
return fmt.Errorf("error closing archive writer: %w", err)
}
fmt.Printf("Compiling debug information complete, all files written in %q.\n", cfg.tarballName)
return nil
}