gfwleak/linxin-coredump-tools
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修改rpm打包方式，修改文件存放路径，增加先查询node后调用debug

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This commit is contained in:
linxin
2023-04-28 17:21:02 +08:00
parent b95933e884
commit d5ad3e84fd
4 changed files with 31 additions and 14 deletions
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18
coredump-ctl/coredump-ctl.go
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@@ -33,12 +33,24 @@ func terminalSize() (width, height int, err error) {
func debug(config types.Coredump_config, command string) error {
// 使用kubectl命令执行debug操作
if config.Image_id != "" {
if config.Hostname == "" {
return errors.New("hostname must not be empty")
// 定义要运行的 kubectl 命令
command := "kubectl get nodes -o jsonpath='{range .items[*]}{.metadata.name} {end}'"
// 在 shell 中运行 kubectl 命令并读取输出
cmd := exec.Command("bash", "-c", command)
output, err := cmd.Output()
if err != nil {
return err
}
// 将输出字符串按空格拆分为字符串切片
nodes := strings.Split(strings.TrimSpace(string(output)), " ")
if len(nodes) == 0 {
return errors.New("the node list is empty")
}
if command == "gdb" {
chmod := "cd" + filepath.Dir(config.Process_exe_path)
cmd := exec.Command("kubectl", "debug", "node/"+config.Hostname, "-it", "--image="+config.Image_id, "--image-pull-policy=Never", "--", "gdb", config.Process_exe_path, "/host"+config.Storage, "-ex", chmod)
cmd := exec.Command("kubectl", "debug", "node/"+nodes[0], "-it", "--image="+config.Image_id, "--image-pull-policy=Never", "--", "gdb", config.Process_exe_path, "/host"+config.Storage, "-ex", chmod)
cmd.Stdin = os.Stdin
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr

7
coredump-handler/coredump-handler.go
View File

@@ -174,7 +174,7 @@ func main() {
flag.StringVar(&coredump_config.Initial_ns_pid, "P", "", "initial ns pid")
flag.StringVar(&coredump_config.Process_ns_pid, "p", "", "process ns pid")
flag.StringVar(&coredump_config.Process_exe_path, "E", "", "pathname of executable process")
flag.StringVar(&coredump_config.Corepipe_config_path, "configpath", "", "configfile's path")
flag.StringVar(&coredump_config.Corepipe_config_path, "C", "", "configfile's path")
flag.Int64Var(&coredump_config.Timestamp, "t", 0, "the time of coredump")
flag.StringVar(&coredump_config.GID, "g", "", "Numeric real GID of dumped process.")
flag.IntVar(&coredump_config.Signal, "s", -1, "Number of signal causing dump")
@@ -185,7 +185,7 @@ func main() {
if err != nil {
journal.Print(journal.PriErr, err.Error())
}
info = fmt.Sprintf("initialize command line parameters. -P=%s -p=%s -E=%s -configpath=%s -t=%d -g=%s -h=%s -s=%d -u=%s", coredump_config.Initial_ns_pid, coredump_config.Process_ns_pid, coredump_config.Process_exe_path, coredump_config.Corepipe_config_path, coredump_config.Timestamp, coredump_config.GID, coredump_config.Hostname, coredump_config.Signal, coredump_config.UID)
info = fmt.Sprintf("initialize command line parameters. -P=%s -p=%s -E=%s -C=%s -t=%d -g=%s -h=%s -s=%d -u=%s", coredump_config.Initial_ns_pid, coredump_config.Process_ns_pid, coredump_config.Process_exe_path, coredump_config.Corepipe_config_path, coredump_config.Timestamp, coredump_config.GID, coredump_config.Hostname, coredump_config.Signal, coredump_config.UID)
journal.Print(journal.PriInfo, info)
coredump_config.Process_exe_path = strings.Replace(coredump_config.Process_exe_path, "!", "/", -1)
//判断参数读取是否正确
@@ -200,6 +200,9 @@ func main() {
journal.Print(journal.PriErr, err.Error())
return
}
if pipe_config.Storage_type == 0 {
return
}
//判断硬盘使用率
flag, err := isDiskSufficient(pipe_config)
if err != nil && !flag {

1
script/coredump-tools.sh Normal file
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@@ -0,0 +1 @@
export PATH=/opt/tsg/coredump/bin

19
script/coredump.spec
View File

@@ -25,15 +25,16 @@ cd ./coredump-ctl
go build -o coredump-tool .
cd ..
%install
mkdir -p %{buildroot}/etc/coredump-handler
mkdir -p %{buildroot}/opt/tsg/coredump
cp ./coredump-handler/coredump-handler %{buildroot}/opt/tsg/coredump
cp ./config/config.json %{buildroot}/etc/coredump-handler
cp ./coredump-ctl/coredump-tool %{buildroot}/opt/tsg/coredump
%post
echo "export PATH=/opt/tsg/coredump:$PATH" >>~/.bashrc
mkdir -p %{buildroot}/opt/tsg/coredump/bin
mkdir -p %{buildroot}/opt/tsg/coredump/etc
cp ./coredump-handler/coredump-handler %{buildroot}/opt/tsg/coredump/bin
cp ./config/config.json %{buildroot}/opt/tsg/coredump/etc
cp ./coredump-ctl/coredump-tool %{buildroot}/opt/tsg/coredump/bin
cp ./script/coredump-tools.sh %{buildroot}/etc/profile.d
%files
%defattr (-,root,root)
/etc/coredump-handler/config.json
/opt/tsg/coredump/coredump-handler
/opt/tsg/coredump/coredump-tool
/opt/tsg/coredump/etc/config.json
/opt/tsg/coredump/bin/coredump-handler
/opt/tsg/coredump/bin/coredump-tool
/etc/profile.d/coredump-tools.sh