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templates.go
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package main
import (
"html/template"
"time"
)
var (
tmpl *template.Template
funcMap = template.FuncMap{
"dateFmt": dateFmt,
}
)
func init() {
tmpl = template.Must(template.New("home").Funcs(funcMap).Parse(page))
tmpl = tmpl.Funcs(funcMap)
}
func dateFmt(when interface{}) string {
t := when.(time.Time)
if t.IsZero() {
return ""
}
return t.Format(layout)
}
const (
page = `<!DOCTYPE html>
<html lang="en" xml:lang="en">
<head>
<title>Netstats</title>
<style>
p {
lineheight: 50%;
margin-top: 0.01em;
-webkit-margin-before: 0.5em;
-webkit-margin-after: 0.5em;
}
div {
margin: 0.5em;
border: 2px solid black;
}
.snmp {
font-weight: bold;
}
</style>
</head>
<body>
<h1>Netstats</h1>
<p>Started: {{.Started}}</p>
<p>Uptime: {{.Uptime}}</p>
{{ range $key,$stat := .SnmpStats }}
<div>
<p class="snmp">{{$key}}</p>
<p>Get count: {{$stat.GetCnt}}</p>
<p>Error count: {{$stat.ErrCnt}}</p>
{{ if $stat.LastError }}
<p>Last error: {{$stat.LastError}} ({{dateFmt $stat.LastTime}})</p>
{{ end }}
</div>
{{ end }}
<h1>Config</h1>
{{ range $key,$snmp := .SNMP }}
<div>
<p class="snmp">SNMP {{$key}}</p>
<p>Host: {{$snmp.Host}}</p>
<p>Freq: {{$snmp.Freq}}</p>
<p>Retries: {{$snmp.Retries}}</p>
<p>Timeout: {{$snmp.Timeout}}</p>
</div>
{{ end}}
{{ range $key,$influx := .Influx }}
<div>
<p class="snmp">Influx {{$key}}</p>
<p>Host: {{$influx.URL}}</p>
<p>Database: {{$influx.Database}}</p>
{{/*
<p>Sent: {{$influx.Sent}}</p>
<p>Errors: {{$influx.Errors}}</p>
*/}}
</div>
{{ end }}
<p><a href="/debug/pprof/">Profiler</a></p>
</body>
</html>
`
)