func (p *PanicHandler) Err500(ex interface{}, ctx context.Context, rw http.ResponseWriter, r *http.Request) {
renderer := render.FromContext(ctx)
data := make(map[string]interface{})
data["Title"] = "eek fire FIRE"
data["Nav"] = -1
data["environment"] = runMode
data["authenticated"] = cas.Username(r)
data["copyright"] = time.Now().Year()
data["error"] = fmt.Sprintf("%v", ex)
stackTrace := errors.Wrap(ex, 4).ErrorStack()
klog.Critical("err (%v): Internal Server Error: %v", r.RemoteAddr, ex)
klog.Critical("err (%v): Stacktrace: %v", r.RemoteAddr, stackTrace)
if mode := conf.GetDefault("runMode", "dev").(string); mode == "dev" {
// dump the stacktrace out on the page too
data["stacktrace"] = stackTrace
}
renderer.HTML(rw, 500, "errors/500", data)
}
// makeDiff shells out to the cmd line git to get a patch. Unfortunately, this
// may need tweaking given the modifications that OpenMandriva have done to
// their ABF.
func (a *ABF) makeDiff(gitURL, fromHash, toHash string) string {
// make sure it's not disabled
if !abfGitDiff {
return "Diff creation disabled."
}
// ugh, looks like we'll have to do this the sadly hard way
tmpdir, err := ioutil.TempDir("", "kahinah_")
if err != nil {
return "Error creating directory for diff creation: " + err.Error()
}
defer os.RemoveAll(tmpdir)
if strings.Contains(gitURL, "@") {
gitURL = gitURL[:strings.Index(gitURL, "//")+2] + gitURL[strings.Index(gitURL, "@")+1:]
}
urlToUse := gitURL
if abfGitDiffSSH {
urlToUse = strings.Replace("git@"+gitURL[strings.Index(gitURL, "//")+2:], "/", ":", 1)
}
// reusable bytes output
var b bytes.Buffer
gitclonecmd := exec.Command("git", "clone", urlToUse, tmpdir)
gitclonecmd.Env = append(os.Environ(), "GIT_TERMINAL_PROMPT=0") // git 2.3+
gitclonecmd.Stderr = &b
gitclonecmd.Stdout = &b
gitclonecmd.Start()
gitresult := make(chan error, 1)
go func() {
gitresult <- gitclonecmd.Wait()
}()
select {
case <-time.After(10 * time.Minute):
if err := gitclonecmd.Process.Kill(); err != nil {
klog.Criticalf("abf: calling git to kill failed: %v", err)
}
<-gitresult // allow goroutine to exit
klog.Critical("abf: git process called to kill")
case err := <-gitresult:
if err != nil { // git exited with non-zero status
klog.Criticalf("abf: calling git failed: %v", err)
return "Repository could not be cloned for diff: " + err.Error()
}
}
if fromHash == "" || fromHash == toHash {
gitdiffcmd := exec.Command("git", "show", "--format=fuller", "--patch-with-stat", "--summary", toHash)
gitdiffcmd.Dir = tmpdir
gitdiff, err := gitdiffcmd.CombinedOutput()
if err != nil {
klog.Criticalf("abf: calling git diff failed: %v", err)
return "No diff available: " + err.Error()
}
return fmt.Sprintf("$ git show --format=fuller --patch-with-stat --summary %s\n\n%s", toHash, string(gitdiff))
}
gitdiffcmd := exec.Command("git", "diff", "--patch-with-stat", "--summary", fromHash+".."+toHash)
gitdiffcmd.Dir = tmpdir
gitdiff, err := gitdiffcmd.CombinedOutput()
if err != nil {
fmt.Printf("%s", gitdiff)
return "No diff available: " + err.Error()
}
return fmt.Sprintf("$ git diff --patch-with-stat --summary %s\n\n%s", fromHash+".."+toHash, string(gitdiff))
}