| author | Alberto Bertogli
<albertito@blitiri.com.ar> 2022-08-27 23:34:47 UTC |
| committer | Alberto Bertogli
<albertito@blitiri.com.ar> 2022-08-28 00:18:17 UTC |
| parent | 8351e8ecd1518f3025ce4c36406efccdb9027d82 |
| debug/debug.go | +53 | -32 |
diff --git a/debug/debug.go b/debug/debug.go index 1fc0e48..c0ca604 100644 --- a/debug/debug.go +++ b/debug/debug.go @@ -38,15 +38,17 @@ func init() { } func ServeDebugging(addr string, conf *config.Config) { - log.Infof("debugging HTTP server listening on %q", addr) + hostname, _ := os.Hostname() indexData := struct { + Hostname string Version string GoVersion string SourceDate time.Time StartTime time.Time Args []string }{ + Hostname: hostname, Version: Version, GoVersion: runtime.Version(), SourceDate: SourceDate, @@ -66,6 +68,7 @@ func ServeDebugging(addr string, conf *config.Config) { } }) + log.Infof("debugging HTTP server listening on %q", addr) err := http.ListenAndServe(addr, nil) log.Errorf("debugging HTTP server died: %v", err) } @@ -83,38 +86,56 @@ func DumpConfigFunc(conf *config.Config) http.HandlerFunc { }) } +// Functions available inside the templates. +var tmplFuncs = template.FuncMap{ + "since": time.Since, + "roundDuration": func(d time.Duration) time.Duration { + return d.Round(time.Second) + }, +} + // Static index for the debugging website. -var htmlIndex = template.Must(template.New("index").Funcs( - template.FuncMap{"since": time.Since}).Parse( - `<!DOCTYPE html> +var htmlIndex = template.Must( + template.New("index").Funcs(tmplFuncs).Parse( + `<!DOCTYPE html> <html> - <head> - <title>gofer debugging</title> - </head> - <body> - <h1>gofer debugging</h1> - - version {{.Version}}<br> - source date {{.SourceDate.Format "2006-01-02 15:04:05 -0700"}}<br> - built with: {{.GoVersion}}<p> - - started {{.StartTime.Format "Mon, 2006-01-02 15:04:05 -0700"}}<br> - up for {{.StartTime | since}}<p> - - args: <tt>{{.Args}}</tt><p> - - <ul> - <li><a href="/debug/config">configuration</a> - <li><a href="/debug/traces">traces</a> - <li><a href="/debug/vars">exported variables</a> - <small><a href="https://golang.org/pkg/expvar/">(ref)</a></small> - <li><a href="/debug/pprof">pprof</a> - <small><a href="https://golang.org/pkg/net/http/pprof/"> - (ref)</a></small> - <ul> - <li><a href="/debug/pprof/goroutine?debug=1">goroutines</a> - </ul> - </ul> - </body> + +<head> +<meta name="viewport" content="width=device-width, initial-scale=1"> +<title>{{.Hostname}}: gofer debugging</title> +<style type="text/css"> + body { + font-family: sans-serif; + } +</style> +</head> + +<body> + <h1>gofer @{{.Hostname}}</h1> + + version {{.Version}}<br> + source date {{.SourceDate.Format "2006-01-02 15:04:05 -0700"}}<br> + built with: {{.GoVersion}}<p> + + started {{.StartTime.Format "Mon, 2006-01-02 15:04:05 -0700"}}<br> + up for {{.StartTime | since | roundDuration}}<br> + os hostname <i>{{.Hostname}}</i><br> + <p> + + args: <tt>{{.Args}}</tt><p> + + <ul> + <li><a href="/debug/config">configuration</a> + <li><a href="/debug/traces">traces</a> + <li><a href="/debug/vars">exported variables</a> + <small><a href="https://golang.org/pkg/expvar/">(ref)</a></small> + <li><a href="/debug/pprof">pprof</a> + <small><a href="https://golang.org/pkg/net/http/pprof/"> + (ref)</a></small> + <ul> + <li><a href="/debug/pprof/goroutine?debug=1">goroutines</a> + </ul> + </ul> +</body> </html> `))