lordwelch/gokrazy
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move template parsing out of func init

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If we manage to build with a malformed template now,
the watchdog will work.

fixes #60
This commit is contained in:
Michael Stapelberg 2020-06-17 09:13:44 +02:00
parent 1ec8cbf7d9
commit c306d3cd69
1 changed files with 44 additions and 49 deletions
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93
status.go
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@ -46,55 +46,6 @@ func parseMeminfo() map[string]int64 {
return vals
}
var commonTmpls = mustParseCommonTmpls()
func mustParseCommonTmpls() *template.Template {
t := template.New("root")
t = template.Must(t.New("header").Parse(bundled.Asset("header.tmpl")))
t = template.Must(t.New("footer").Parse(bundled.Asset("footer.tmpl")))
return t
}
var overviewTmpl = template.Must(template.Must(commonTmpls.Clone()).New("overview").
Funcs(map[string]interface{}{
"restarting": func(t time.Time) bool {
return time.Since(t).Seconds() < 5
},
"last": func(stdout, stderr []string) string {
if len(stdout) == 0 && len(stderr) == 0 {
return ""
}
both := append(stdout, stderr...)
sort.Strings(both)
return both[len(both)-1]
},
"megabytes": func(val int64) string {
return fmt.Sprintf("%.1f MiB", float64(val)/1024/1024)
},
"gigabytes": func(val int64) string {
return fmt.Sprintf("%.1f GiB", float64(val)/1024/1024/1024)
},
"baseName": func(path string) string {
return filepath.Base(path)
},
"initRss": func() int64 {
return rssOfPid(1)
},
"rssPercentage": func(meminfo map[string]int64, rss int64) string {
used := float64(meminfo["MemTotal"] - meminfo["MemAvailable"])
return fmt.Sprintf("%.f", float64(rss)/used*100)
},
}).
Parse(bundled.Asset("overview.tmpl")))
var statusTmpl = template.Must(template.Must(commonTmpls.Clone()).New("statusTmpl").Parse(bundled.Asset("status.tmpl")))
// mustReadFile0 returns the file contents or an empty string if the file could
// not be read. All trailing \0 bytes are stripped (as found in
// /proc/device-tree/model).
@ -144,6 +95,50 @@ func readModuleInfo(path string) (string, error) {
func initStatus(services []*service) {
model := model()
commonTmpls := template.New("root")
commonTmpls = template.Must(commonTmpls.New("header").Parse(bundled.Asset("header.tmpl")))
commonTmpls = template.Must(commonTmpls.New("footer").Parse(bundled.Asset("footer.tmpl")))
overviewTmpl := template.Must(template.Must(commonTmpls.Clone()).New("overview").
Funcs(map[string]interface{}{
"restarting": func(t time.Time) bool {
return time.Since(t).Seconds() < 5
},
"last": func(stdout, stderr []string) string {
if len(stdout) == 0 && len(stderr) == 0 {
return ""
}
both := append(stdout, stderr...)
sort.Strings(both)
return both[len(both)-1]
},
"megabytes": func(val int64) string {
return fmt.Sprintf("%.1f MiB", float64(val)/1024/1024)
},
"gigabytes": func(val int64) string {
return fmt.Sprintf("%.1f GiB", float64(val)/1024/1024/1024)
},
"baseName": func(path string) string {
return filepath.Base(path)
},
"initRss": func() int64 {
return rssOfPid(1)
},
"rssPercentage": func(meminfo map[string]int64, rss int64) string {
used := float64(meminfo["MemTotal"] - meminfo["MemAvailable"])
return fmt.Sprintf("%.f", float64(rss)/used*100)
},
}).
Parse(bundled.Asset("overview.tmpl")))
statusTmpl := template.Must(template.Must(commonTmpls.Clone()).New("statusTmpl").Parse(bundled.Asset("status.tmpl")))
for _, fn := range []string{
"favicon.ico",
"bootstrap-3.3.7.min.css",