chore: rename log package in order to avoid conflict (#305)

Author: CarlJi

pkg/cover/instrument.go

@@ -50,7 +50,7 @@ import (
 "fmt"
 "io"
 "io/ioutil"
-"log"
+_log "log"
 "net"
 "net/http"
 "os"
@@ -137,12 +137,12 @@ func registerHandlers() {
 ln, host, err := listen()
 {{end}}
 if err != nil {
-log.Fatalf("listen failed, err:%v", err)
+_log.Fatalf("listen failed, err:%v", err)
 }
 {{if not .Singleton}}
 profileAddr := "http://" + host
 if resp, err := registerSelf(profileAddr); err != nil {
-log.Fatalf("register address %v failed, err: %v, response: %v", profileAddr, err, string(resp))
+_log.Fatalf("register address %v failed, err: %v, response: %v", profileAddr, err, string(resp))
 }
 
 fn := func() {
@@ -152,7 +152,7 @@ func registerHandlers() {
 addresses []string
 )
 if addresses, err = getAllHosts(ln); err != nil {
-log.Fatalf("get all host failed, err: %v", err)
+_log.Fatalf("get all host failed, err: %v", err)
 return
 }
 for _, addr := range addresses {
@@ -218,7 +218,7 @@ func registerHandlers() {
 fmt.Fprintln(w, "clear call successfully")
 })
 
-log.Fatal(http.Serve(ln, mux))
+_log.Fatal(http.Serve(ln, mux))
 }
 
 func registerSelf(address string) ([]byte, error) {
@@ -231,13 +231,13 @@ func registerSelf(address string) ([]byte, error) {
 }
 req, err := http.NewRequest("POST", fmt.Sprintf("%s/v1/cover/register?name=%s&address=%s", {{.Center | printf "%q"}}, selfName, address), nil)
 if err != nil {
-log.Fatalf("http.NewRequest failed: %v", err)
+_log.Fatalf("http.NewRequest failed: %v", err)
 return nil, err
 }
 
 resp, err := http.DefaultClient.Do(req)
 if err != nil && isNetworkError(err) {
-log.Printf("[goc][WARN]error occurred:%v, try again", err)
+_log.Printf("[goc][WARN]error occurred:%v, try again", err)
 resp, err = http.DefaultClient.Do(req)
 }
 if err != nil {
@@ -267,14 +267,14 @@ func deregisterSelf(address []string) ([]byte, error) {
  }
  req, err := http.NewRequest("POST", fmt.Sprintf("%s/v1/cover/remove", {{.Center | printf "%q"}}), bytes.NewReader(jsonBody))
  if err != nil {
- log.Fatalf("http.NewRequest failed: %v", err)
+ _log.Fatalf("http.NewRequest failed: %v", err)
  return nil, err
  }
  req.Header.Set("Content-Type", "application/json")
 
  resp, err := http.DefaultClient.Do(req)
  if err != nil && isNetworkError(err) {
- log.Printf("[goc][WARN]error occurred:%v, try again", err)
+ _log.Printf("[goc][WARN]error occurred:%v, try again", err)
  resp, err = http.DefaultClient.Do(req)
  }
  if err != nil {
@@ -302,7 +302,7 @@ func watchSignal(fn CallbackFunc) {
  signal.Notify(c, syscall.SIGHUP, syscall.SIGQUIT, syscall.SIGTERM, syscall.SIGINT)
  for {
  si := <-c
- log.Printf("get a signal %s", si.String())
+ _log.Printf("get a signal %s", si.String())
  switch si {
  case syscall.SIGQUIT, syscall.SIGTERM, syscall.SIGINT:
  fn()
@@ -411,7 +411,7 @@ func genProfileAddr(profileAddr string) {
 fn := os.Args[0] + "_profile_listen_addr"
 f, err := os.OpenFile(fn, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0644)
 if err != nil {
-log.Println(err)
+_log.Println(err)
 return
 }
 defer f.Close()