kotovalexarian-likes-github
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moby--moby
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Initial steps to fix Issue #936 

Use utils.Errorf instead of utils.Debugf
This commit is contained in:
Karl Grzeszczak 2013-10-08 02:54:47 -05:00
parent f15cd71bb8
commit ad723bbfe7
10 changed files with 70 additions and 59 deletions
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1
AUTHORS
View File

@ -95,6 +95,7 @@ Joseph Anthony Pasquale Holsten <joseph@josephholsten.com>
Julien Barbier <write0@gmail.com>
Jérôme Petazzoni <jerome.petazzoni@dotcloud.com>
Karan Lyons <karan@karanlyons.com>
Karl Grzeszczak <karl@karlgrz.com>
Kawsar Saiyeed <kawsar.saiyeed@projiris.com>
Keli Hu <dev@keli.hu>
Ken Cochrane <kencochrane@gmail.com>

23
api.go
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@ -69,9 +69,12 @@ func httpError(w http.ResponseWriter, err error) {
statusCode = http.StatusUnauthorized
} else if strings.Contains(err.Error(), "hasn't been activated") {
statusCode = http.StatusForbidden
}
utils.Debugf("[error %d] %s", statusCode, err)
http.Error(w, err.Error(), statusCode)
}
if err != nil {
utils.Errorf("HTTP Error: statusCode=%d %s", statusCode, err.Error())
http.Error(w, err.Error(), statusCode)
}
}
func writeJSON(w http.ResponseWriter, code int, v interface{}) error {
@ -102,7 +105,7 @@ func getBoolParam(value string) (bool, error) {
func matchesContentType(contentType, expectedType string) bool {
mimetype, _, err := mime.ParseMediaType(contentType)
if err != nil {
utils.Debugf("Error parsing media type: %s error: %s", contentType, err.Error())
utils.Errorf("Error parsing media type: %s error: %s", contentType, err.Error())
}
return err == nil && mimetype == expectedType
}
@ -147,7 +150,7 @@ func getContainersExport(srv *Server, version float64, w http.ResponseWriter, r
name := vars["name"]
if err := srv.ContainerExport(name, w); err != nil {
utils.Debugf("%s", err)
utils.Errorf("%s", err)
return err
}
return nil
@ -192,7 +195,7 @@ func getEvents(srv *Server, version float64, w http.ResponseWriter, r *http.Requ
_, err = wf.Write(b)
if err != nil {
// On error, evict the listener
utils.Debugf("%s", err)
utils.Errorf("%s", err)
srv.Lock()
delete(srv.listeners, r.RemoteAddr)
srv.Unlock()
@ -347,7 +350,7 @@ func postCommit(srv *Server, version float64, w http.ResponseWriter, r *http.Req
}
config := &Config{}
if err := json.NewDecoder(r.Body).Decode(config); err != nil {
utils.Debugf("%s", err)
utils.Errorf("%s", err)
}
repo := r.Form.Get("repo")
tag := r.Form.Get("tag")
@ -792,7 +795,7 @@ func wsContainersAttach(srv *Server, version float64, w http.ResponseWriter, r *
defer ws.Close()
if err := srv.ContainerAttach(name, logs, stream, stdin, stdout, stderr, ws, ws, ws); err != nil {
utils.Debugf("Error: %s", err)
utils.Errorf("Error: %s", err)
}
})
h.ServeHTTP(w, r)
@ -938,7 +941,7 @@ func postContainersCopy(srv *Server, version float64, w http.ResponseWriter, r *
}
if err := srv.ContainerCopy(name, copyData.Resource, w); err != nil {
utils.Debugf("%s", err.Error())
utils.Errorf("%s", err.Error())
return err
}
return nil
@ -983,7 +986,7 @@ func makeHttpHandler(srv *Server, logging bool, localMethod string, localRoute s
}
if err := handlerFunc(srv, version, w, r, mux.Vars(r)); err != nil {
utils.Debugf("Error: %s", err)
utils.Errorf("Error: %s", err)
httpError(w, err)
}
}

4
buildfile.go
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@ -176,7 +176,7 @@ func (b *buildFile) CmdEnv(args string) error {
func (b *buildFile) CmdCmd(args string) error {
var cmd []string
if err := json.Unmarshal([]byte(args), &cmd); err != nil {
utils.Debugf("Error unmarshalling: %s, setting cmd to /bin/sh -c", err)
utils.Errorf("Error unmarshalling: %s, setting cmd to /bin/sh -c", err)
cmd = []string{"/bin/sh", "-c", args}
}
if err := b.commit("", cmd, fmt.Sprintf("CMD %v", cmd)); err != nil {
@ -296,7 +296,7 @@ func (b *buildFile) addContext(container *Container, orig, dest string) error {
}
// First try to unpack the source as an archive
} else if err := UntarPath(origPath, destPath); err != nil {
utils.Debugf("Couldn't untar %s to %s: %s", origPath, destPath, err)
utils.Errorf("Couldn't untar %s to %s: %s", origPath, destPath, err)
// If that fails, just copy it as a regular file
if err := os.MkdirAll(path.Dir(destPath), 0755); err != nil {
return err

16
commands.go
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@ -418,7 +418,7 @@ func (cli *DockerCli) CmdVersion(args ...string) error {
var out APIVersion
err = json.Unmarshal(body, &out)
if err != nil {
utils.Debugf("Error unmarshal: body: %s, err: %s\n", body, err)
utils.Errorf("Error unmarshal: body: %s, err: %s\n", body, err)
return err
}
if out.Version != "" {
@ -1533,7 +1533,7 @@ func (cli *DockerCli) CmdRun(args ...string) error {
if config.AttachStdin || config.AttachStdout || config.AttachStderr {
if config.Tty {
if err := cli.monitorTtySize(runResult.ID); err != nil {
utils.Debugf("Error monitoring TTY size: %s\n", err)
utils.Errorf("Error monitoring TTY size: %s\n", err)
}
}
@ -1798,11 +1798,11 @@ func (cli *DockerCli) hijack(method, path string, setRawTerminal bool, in io.Rea
}
if tcpc, ok := rwc.(*net.TCPConn); ok {
if err := tcpc.CloseWrite(); err != nil {
utils.Debugf("Couldn't send EOF: %s\n", err)
utils.Errorf("Couldn't send EOF: %s\n", err)
}
} else if unixc, ok := rwc.(*net.UnixConn); ok {
if err := unixc.CloseWrite(); err != nil {
utils.Debugf("Couldn't send EOF: %s\n", err)
utils.Errorf("Couldn't send EOF: %s\n", err)
}
}
// Discard errors due to pipe interruption
@ -1811,14 +1811,14 @@ func (cli *DockerCli) hijack(method, path string, setRawTerminal bool, in io.Rea
if stdout != nil {
if err := <-receiveStdout; err != nil {
utils.Debugf("Error receiveStdout: %s", err)
utils.Errorf("Error receiveStdout: %s", err)
return err
}
}
if !cli.isTerminal {
if err := <-sendStdin; err != nil {
utils.Debugf("Error sendStdin: %s", err)
utils.Errorf("Error sendStdin: %s", err)
return err
}
}
@ -1832,7 +1832,7 @@ func (cli *DockerCli) getTtySize() (int, int) {
}
ws, err := term.GetWinsize(cli.terminalFd)
if err != nil {
utils.Debugf("Error getting size: %s", err)
utils.Errorf("Error getting size: %s", err)
if ws == nil {
return 0, 0
}
@ -1849,7 +1849,7 @@ func (cli *DockerCli) resizeTty(id string) {
v.Set("h", strconv.Itoa(height))
v.Set("w", strconv.Itoa(width))
if _, _, err := cli.call("POST", "/containers/"+id+"/resize?"+v.Encode(), nil); err != nil {
utils.Debugf("Error resize: %s", err)
utils.Errorf("Error resize: %s", err)
}
}

24
container.go
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@ -461,7 +461,7 @@ func (container *Container) Attach(stdin io.ReadCloser, stdinCloser io.Closer, s
_, err = io.Copy(cStdin, stdin)
}
if err != nil {
utils.Debugf("[error] attach stdin: %s\n", err)
utils.Errorf("[error] attach stdin: %s\n", err)
}
// Discard error, expecting pipe error
errors <- nil
@ -486,7 +486,7 @@ func (container *Container) Attach(stdin io.ReadCloser, stdinCloser io.Closer, s
}
_, err := io.Copy(stdout, cStdout)
if err != nil {
utils.Debugf("[error] attach stdout: %s\n", err)
utils.Errorf("[error] attach stdout: %s\n", err)
}
errors <- err
}()
@ -498,7 +498,7 @@ func (container *Container) Attach(stdin io.ReadCloser, stdinCloser io.Closer, s
}
if cStdout, err := container.StdoutPipe(); err != nil {
utils.Debugf("Error stdout pipe")
utils.Errorf("Error stdout pipe")
} else {
io.Copy(&utils.NopWriter{}, cStdout)
}
@ -522,7 +522,7 @@ func (container *Container) Attach(stdin io.ReadCloser, stdinCloser io.Closer, s
}
_, err := io.Copy(stderr, cStderr)
if err != nil {
utils.Debugf("[error] attach stderr: %s\n", err)
utils.Errorf("[error] attach stderr: %s\n", err)
}
errors <- err
}()
@ -534,7 +534,7 @@ func (container *Container) Attach(stdin io.ReadCloser, stdinCloser io.Closer, s
}
if cStderr, err := container.StderrPipe(); err != nil {
utils.Debugf("Error stdout pipe")
utils.Errorf("Error stdout pipe")
} else {
io.Copy(&utils.NopWriter{}, cStderr)
}
@ -553,7 +553,7 @@ func (container *Container) Attach(stdin io.ReadCloser, stdinCloser io.Closer, s
for i := 0; i < nJobs; i += 1 {
utils.Debugf("Waiting for job %d/%d\n", i+1, nJobs)
if err := <-errors; err != nil {
utils.Debugf("Job %d returned error %s. Aborting all jobs\n", i+1, err)
utils.Errorf("Job %d returned error %s. Aborting all jobs\n", i+1, err)
return err
}
utils.Debugf("Job %d completed successfully\n", i+1)
@ -958,12 +958,12 @@ func (container *Container) monitor(hostConfig *HostConfig) {
// If the command does not exists, try to wait via lxc
if container.cmd == nil {
if err := container.waitLxc(); err != nil {
utils.Debugf("%s: Process: %s", container.ID, err)
utils.Errorf("%s: Process: %s", container.ID, err)
}
} else {
if err := container.cmd.Wait(); err != nil {
// Discard the error as any signals or non 0 returns will generate an error
utils.Debugf("%s: Process: %s", container.ID, err)
utils.Errorf("%s: Process: %s", container.ID, err)
}
}
utils.Debugf("Process finished")
@ -984,19 +984,19 @@ func (container *Container) monitor(hostConfig *HostConfig) {
container.releaseNetwork()
if container.Config.OpenStdin {
if err := container.stdin.Close(); err != nil {
utils.Debugf("%s: Error close stdin: %s", container.ID, err)
utils.Errorf("%s: Error close stdin: %s", container.ID, err)
}
}
if err := container.stdout.CloseWriters(); err != nil {
utils.Debugf("%s: Error close stdout: %s", container.ID, err)
utils.Errorf("%s: Error close stdout: %s", container.ID, err)
}
if err := container.stderr.CloseWriters(); err != nil {
utils.Debugf("%s: Error close stderr: %s", container.ID, err)
utils.Errorf("%s: Error close stderr: %s", container.ID, err)
}
if container.ptyMaster != nil {
if err := container.ptyMaster.Close(); err != nil {
utils.Debugf("%s: Error closing Pty master: %s", container.ID, err)
utils.Errorf("%s: Error closing Pty master: %s", container.ID, err)
}
}

2
mount.go
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@ -12,7 +12,7 @@ import (
func Unmount(target string) error {
if err := exec.Command("auplink", target, "flush").Run(); err != nil {
utils.Debugf("[warning]: couldn't run auplink before unmount: %s", err)
utils.Errorf("[warning]: couldn't run auplink before unmount: %s", err)
}
if err := syscall.Unmount(target, 0); err != nil {
return err

4
network_proxy.go
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@ -103,7 +103,7 @@ func (proxy *TCPProxy) Run() {
for {
client, err := proxy.listener.Accept()
if err != nil {
utils.Debugf("Stopping proxy on tcp/%v for tcp/%v (%v)", proxy.frontendAddr, proxy.backendAddr, err.Error())
utils.Errorf("Stopping proxy on tcp/%v for tcp/%v (%v)", proxy.frontendAddr, proxy.backendAddr, err.Error())
return
}
go proxy.clientLoop(client.(*net.TCPConn), quit)
@ -205,7 +205,7 @@ func (proxy *UDPProxy) Run() {
// NOTE: Apparently ReadFrom doesn't return
// ECONNREFUSED like Read do (see comment in
// UDPProxy.replyLoop)
utils.Debugf("Stopping proxy on udp/%v for udp/%v (%v)", proxy.frontendAddr, proxy.backendAddr, err.Error())
utils.Errorf("Stopping proxy on udp/%v for udp/%v (%v)", proxy.frontendAddr, proxy.backendAddr, err.Error())
break
}

2
runtime.go
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@ -235,7 +235,7 @@ func (runtime *Runtime) restore() error {
fmt.Printf("\b%c", wheel[i%4])
}
if err != nil {
utils.Debugf("Failed to load container %v: %v", id, err)
utils.Errorf("Failed to load container %v: %v", id, err)
continue
}
utils.Debugf("Loaded container %v", container.ID)

20
server.go
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@ -429,7 +429,7 @@ func (srv *Server) pullImage(r *registry.Registry, out io.Writer, imgID, endpoin
// ensure no two downloads of the same layer happen at the same time
if err := srv.poolAdd("pull", "layer:"+id); err != nil {
utils.Debugf("Image (id: %s) pull is already running, skipping: %v", id, err)
utils.Errorf("Image (id: %s) pull is already running, skipping: %v", id, err)
return nil
}
defer srv.poolRemove("pull", "layer:"+id)
@ -478,7 +478,7 @@ func (srv *Server) pullRepository(r *registry.Registry, out io.Writer, localName
utils.Debugf("Retrieving the tag list")
tagsList, err := r.GetRemoteTags(repoData.Endpoints, remoteName, repoData.Tokens)
if err != nil {
utils.Debugf("%v", err)
utils.Errorf("%v", err)
return err
}
@ -526,7 +526,7 @@ func (srv *Server) pullRepository(r *registry.Registry, out io.Writer, localName
// ensure no two downloads of the same image happen at the same time
if err := srv.poolAdd("pull", "img:"+img.ID); err != nil {
utils.Debugf("Image (id: %s) pull is already running, skipping: %v", img.ID, err)
utils.Errorf("Image (id: %s) pull is already running, skipping: %v", img.ID, err)
if parallel {
errors <- nil
}
@ -1191,25 +1191,25 @@ func (srv *Server) ContainerAttach(name string, logs, stream, stdin, stdout, std
cLog, err := container.ReadLog("json")
if err != nil && os.IsNotExist(err) {
// Legacy logs
utils.Debugf("Old logs format")
utils.Errorf("Old logs format")
if stdout {
cLog, err := container.ReadLog("stdout")
if err != nil {
utils.Debugf("Error reading logs (stdout): %s", err)
utils.Errorf("Error reading logs (stdout): %s", err)
} else if _, err := io.Copy(outStream, cLog); err != nil {
utils.Debugf("Error streaming logs (stdout): %s", err)
utils.Errorf("Error streaming logs (stdout): %s", err)
}
}
if stderr {
cLog, err := container.ReadLog("stderr")
if err != nil {
utils.Debugf("Error reading logs (stderr): %s", err)
utils.Errorf("Error reading logs (stderr): %s", err)
} else if _, err := io.Copy(errStream, cLog); err != nil {
utils.Debugf("Error streaming logs (stderr): %s", err)
utils.Errorf("Error streaming logs (stderr): %s", err)
}
}
} else if err != nil {
utils.Debugf("Error reading logs (json): %s", err)
utils.Errorf("Error reading logs (json): %s", err)
} else {
dec := json.NewDecoder(cLog)
for {
@ -1218,7 +1218,7 @@ func (srv *Server) ContainerAttach(name string, logs, stream, stdin, stdout, std
if err := dec.Decode(l); err == io.EOF {
break
} else if err != nil {
utils.Debugf("Error streaming logs: %s", err)
utils.Errorf("Error streaming logs: %s", err)
break
}
if l.Stream == "stdout" && stdout {

33
utils/utils.go
View File

@ -45,24 +45,31 @@ func Download(url string, stderr io.Writer) (*http.Response, error) {
return resp, nil
}
func logf(level string, format string, a ...interface{}) {
// Retrieve the stack infos
_, file, line, ok := runtime.Caller(2)
if !ok {
file = "<unknown>"
line = -1
} else {
file = file[strings.LastIndex(file, "/")+1:]
}
fmt.Fprintf(os.Stderr, fmt.Sprintf("[%s] %s:%d %s\n", level, file, line, format), a...)
}
// Debug function, if the debug flag is set, then display. Do nothing otherwise
// If Docker is in damon mode, also send the debug info on the socket
func Debugf(format string, a ...interface{}) {
if os.Getenv("DEBUG") != "" {
// Retrieve the stack infos
_, file, line, ok := runtime.Caller(1)
if !ok {
file = "<unknown>"
line = -1
} else {
file = file[strings.LastIndex(file, "/")+1:]
}
fmt.Fprintf(os.Stderr, fmt.Sprintf("[debug] %s:%d %s\n", file, line, format), a...)
logf("debug", format, a...)
}
}
func Errorf(format string, a ...interface{}) {
logf("error", format, a...)
}
// Reader with progress bar
type progressReader struct {
reader io.ReadCloser // Stream to read from
@ -319,7 +326,7 @@ func NewWriteBroadcaster() *WriteBroadcaster {
func GetTotalUsedFds() int {
if fds, err := ioutil.ReadDir(fmt.Sprintf("/proc/%d/fd", os.Getpid())); err != nil {
Debugf("Error opening /proc/%d/fd: %s", os.Getpid(), err)
Errorf("Error opening /proc/%d/fd: %s", os.Getpid(), err)
} else {
return len(fds)
}
@ -771,7 +778,7 @@ func IsGIT(str string) bool {
func GetResolvConf() ([]byte, error) {
resolv, err := ioutil.ReadFile("/etc/resolv.conf")
if err != nil {
Debugf("Error openning resolv.conf: %s", err)
Errorf("Error openning resolv.conf: %s", err)
return nil, err
}
return resolv, nil