Merge pull request #677 from tonistiigi/pipe-crash-logging

Show proper error from init process panic
This commit is contained in:
Mrunal Patel 2016-03-23 09:52:57 -07:00
commit d563bd1342
2 changed files with 9 additions and 1 deletions

View File

@ -9,6 +9,7 @@ import (
"os/exec" "os/exec"
"path/filepath" "path/filepath"
"regexp" "regexp"
"runtime/debug"
"strconv" "strconv"
"syscall" "syscall"
@ -248,6 +249,13 @@ func (l *LinuxFactory) StartInitialization() (err error) {
// ensure that this pipe is always closed // ensure that this pipe is always closed
pipe.Close() pipe.Close()
}() }()
defer func() {
if e := recover(); e != nil {
err = fmt.Errorf("panic from initialization: %v, %v", e, string(debug.Stack()))
}
}()
i, err = newContainerInit(it, pipe) i, err = newContainerInit(it, pipe)
if err != nil { if err != nil {
return err return err

View File

@ -340,7 +340,7 @@ loop:
} }
} }
if !sentRun { if !sentRun {
return newSystemError(fmt.Errorf("could not synchronise with container process")) return newSystemError(fmt.Errorf("could not synchronise with container process: %v", ierr))
} }
if p.config.Config.Namespaces.Contains(configs.NEWNS) && !sentResume { if p.config.Config.Namespaces.Contains(configs.NEWNS) && !sentResume {
return newSystemError(fmt.Errorf("could not synchronise after executing prestart hooks with container process")) return newSystemError(fmt.Errorf("could not synchronise after executing prestart hooks with container process"))