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artifact.go
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artifact.go
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/*
* Copyright 2020 The Dragonfly 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 util
import (
"fmt"
"os"
"os/exec"
"path/filepath"
)
const (
defaultFileMode = os.FileMode(0664)
)
func UploadArtifactStdout(namespace, podName, logDirName, logPrefix string) error {
out, err := KubeCtlCommand("-n", namespace, "logs", podName).CombinedOutput()
if err != nil {
return err
}
logFileName := fmt.Sprintf("%s-stdout.log", logPrefix)
logDirname := fmt.Sprintf("/tmp/artifact/%s/", logDirName)
if err := os.WriteFile(logFileName, out, defaultFileMode); err != nil {
return err
}
if out, err := exec.Command("mv", logFileName, filepath.Join(logDirname, logFileName)).CombinedOutput(); err != nil {
fmt.Printf("move %s error: %s\n", logFileName, out)
return err
}
return nil
}
func UploadArtifactPrevStdout(namespace, podName, logDirName, logPrefix string) error {
out, err := KubeCtlCommand("-n", namespace, "logs", podName, "-p").CombinedOutput()
if err != nil {
return err
}
logFileName := fmt.Sprintf("%s-prev-stdout.log", logPrefix)
logDirname := fmt.Sprintf("/tmp/artifact/%s/", logDirName)
if err := os.WriteFile(logFileName, out, defaultFileMode); err != nil {
return err
}
if out, err := exec.Command("mv", logFileName, filepath.Join(logDirname, logFileName)).CombinedOutput(); err != nil {
fmt.Printf("move %s error: %s\n", logFileName, out)
return err
}
return nil
}
func UploadArtifactPProf(namespace, podName, logDirName, logPrefix string, pprofPort int) (string, error) {
logDirname := fmt.Sprintf("/tmp/artifact/%s/", logDirName)
out, err := KubeCtlCommand("-n", namespace, "exec", podName, "--", "sh", "-c", fmt.Sprintf(`
set -x
port=%d
dir=%s
prefix=%s
ip=$(hostname -i)
wget $ip:$port/debug/pprof/"goroutine?debug=1" -O $dir/$prefix-pprof-goroutine-1.log
wget $ip:$port/debug/pprof/"goroutine?debug=2" -O $dir/$prefix-pprof-goroutine-2.log
`, pprofPort, logDirname, logPrefix)).CombinedOutput()
return string(out), err
}