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Add an environment variable to test Golang locally

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This commit is contained in:
M. Mert Yildiran 2022-05-30 22:32:14 +03:00
parent be1a572f35
commit e0a7a04543
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GPG Key ID: D42ADB236521BF7A
2 changed files with 29 additions and 5 deletions
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17
tap/passive_tapper.go
View File

@ -14,9 +14,9 @@ import (
"fmt"
"os"
"runtime"
"strconv"
"strings"
"time"
"strconv"
"github.com/shirou/gopsutil/cpu"
"github.com/struCoder/pidusage"
@ -59,8 +59,8 @@ var tls = flag.Bool("tls", false, "Enable TLS tapper")
var memprofile = flag.String("memprofile", "", "Write memory profile")
type TapOpts struct {
HostMode bool
IgnoredPorts []uint16
HostMode bool
IgnoredPorts []uint16
}
var extensions []*api.Extension // global
@ -278,7 +278,16 @@ func startTlsTapper(extension *api.Extension, outputItems chan *api.OutputChanne
// A quick way to instrument libssl.so without PID filtering - used for debuging and troubleshooting
//
if os.Getenv("MIZU_GLOBAL_SSL_LIBRARY") != "" {
if err := tls.GlobalTap(os.Getenv("MIZU_GLOBAL_SSL_LIBRARY")); err != nil {
if err := tls.GlobalSsllibTap(os.Getenv("MIZU_GLOBAL_SSL_LIBRARY")); err != nil {
tlstapper.LogError(err)
return nil
}
}
// A quick way to instrument Go `crypto/tls` without PID filtering - used for debuging and troubleshooting
//
if os.Getenv("MIZU_GLOBAL_GOLANG_PID") != "" {
if err := tls.GlobalGolangTap(os.Getenv("MIZU_GLOBAL_GOLANG_PID")); err != nil {
tlstapper.LogError(err)
return nil
}

17
tap/tlstapper/tls_tapper.go
View File

@ -1,6 +1,7 @@
package tlstapper
import (
"strconv"
"sync"
"github.com/cilium/ebpf/rlimit"
@ -67,10 +68,24 @@ func (t *TlsTapper) PollForLogging() {
t.bpfLogger.poll()
}
func (t *TlsTapper) GlobalTap(sslLibrary string) error {
func (t *TlsTapper) GlobalSsllibTap(sslLibrary string) error {
return t.tapLibsslPid(GLOABL_TAP_PID, sslLibrary, api.UNKNOWN_NAMESPACE)
}
func (t *TlsTapper) GlobalGolangTap(_pid string) error {
pid, err := strconv.Atoi(_pid)
if err != nil {
return err
}
p, err := ps.FindProcess(pid)
if err != nil {
return err
}
return t.tapGolangPid(uint32(pid), p.Executable(), api.UNKNOWN_NAMESPACE)
}
func (t *TlsTapper) AddSsllibPid(procfs string, pid uint32, namespace string) error {
sslLibrary, err := findSsllib(procfs, pid)