func (herd *Herd) showSubs(writer io.Writer, subType string,
selectFunc func(*Sub) bool) {
fmt.Fprintf(writer, "<title>Dominator %s subs</title>", subType)
fmt.Fprintln(writer, `<style>
table, th, td {
border-collapse: collapse;
}
</style>`)
if srpc.CheckTlsRequired() {
fmt.Fprintln(writer, "<body>")
} else {
fmt.Fprintln(writer, "<body bgcolor=\"#ffb0b0\">")
fmt.Fprintln(writer,
`<h1><center><font color="red">Running in insecure mode. You can get pwned!!!</center></font></h1>`)
}
if herd.updatesDisabledReason != "" {
fmt.Fprintf(writer, "<center>")
herd.writeDisableStatus(writer)
fmt.Fprintln(writer, "</center>")
}
fmt.Fprintln(writer, `<table border="1" style="width:100%">`)
fmt.Fprintln(writer, " <tr>")
fmt.Fprintln(writer, " <th>Name</th>")
fmt.Fprintln(writer, " <th>Required Image</th>")
fmt.Fprintln(writer, " <th>Planned Image</th>")
fmt.Fprintln(writer, " <th>Busy</th>")
fmt.Fprintln(writer, " <th>Status</th>")
fmt.Fprintln(writer, " <th>Uptime</th>")
fmt.Fprintln(writer, " <th>Last Scan Duration</th>")
fmt.Fprintln(writer, " <th>Staleness</th>")
fmt.Fprintln(writer, " <th>Last Update</th>")
fmt.Fprintln(writer, " <th>Last Sync</th>")
fmt.Fprintln(writer, " <th>Connect</th>")
fmt.Fprintln(writer, " <th>Short Poll</th>")
fmt.Fprintln(writer, " <th>Full Poll</th>")
fmt.Fprintln(writer, " <th>Update Compute</th>")
fmt.Fprintln(writer, " </tr>")
subs := herd.getSelectedSubs(selectFunc)
for _, sub := range subs {
showSub(writer, sub)
}
fmt.Fprintln(writer, "</table>")
}
func statusHandler(w http.ResponseWriter, req *http.Request) {
writer := bufio.NewWriter(w)
defer writer.Flush()
fmt.Fprintln(writer, "<title>imageserver status page</title>")
fmt.Fprintln(writer, "<body>")
fmt.Fprintln(writer, "<center>")
fmt.Fprintln(writer, "<h1>imageserver status page</h1>")
if !srpc.CheckTlsRequired() {
fmt.Fprintln(writer,
`<h1><font color="red">Running in insecure mode. Your images can be pwned!!!</font></h1>`)
}
fmt.Fprintln(writer, "</center>")
html.WriteHeaderWithRequest(writer, req)
fmt.Fprintln(writer, "<h3>")
for _, htmlWriter := range htmlWriters {
htmlWriter.WriteHtml(writer)
}
fmt.Fprintln(writer, "</h3>")
fmt.Fprintln(writer, "<hr>")
html.WriteFooter(writer)
fmt.Fprintln(writer, "</body>")
}
func (herd *Herd) statusHandler(w http.ResponseWriter, req *http.Request) {
writer := bufio.NewWriter(w)
defer writer.Flush()
fmt.Fprintln(writer, "<title>Dominator status page</title>")
fmt.Fprintln(writer, "<body>")
fmt.Fprintln(writer, "<center>")
fmt.Fprintln(writer, "<h1><b>Dominator</b> status page</h1>")
if !srpc.CheckTlsRequired() {
fmt.Fprintln(writer,
`<h1><font color="red">Running in insecure mode. You can get pwned!!!</font></h1>`)
}
fmt.Fprintln(writer, "</center>")
html.WriteHeaderWithRequestNoGC(writer, req)
fmt.Fprintln(writer, "<h3>")
herd.writeHtml(writer)
for _, htmlWriter := range herd.htmlWriters {
htmlWriter.WriteHtml(writer)
}
fmt.Fprintln(writer, "</h3>")
fmt.Fprintln(writer, "<hr>")
html.WriteFooter(writer)
fmt.Fprintln(writer, "</body>")
}
func (herd *Herd) showSubHandler(w io.Writer, req *http.Request) {
subName := req.URL.RawQuery
fmt.Fprintf(w, "<title>sub %s</title>", subName)
if srpc.CheckTlsRequired() {
fmt.Fprintln(w, "<body>")
} else {
fmt.Fprintln(w, "<body bgcolor=\"#ffb0b0\">")
fmt.Fprintln(w,
`<h1><center><font color="red">Running in insecure mode. You can get pwned!!!</center></font></h1>`)
}
if herd.updatesDisabledReason != "" {
fmt.Fprintf(w, "<center>")
herd.writeDisableStatus(w)
fmt.Fprintln(w, "</center>")
}
fmt.Fprintln(w, "<h3>")
sub := herd.getSub(subName)
if sub == nil {
fmt.Fprintf(w, "Sub: %s UNKNOWN!\n", subName)
return
}
timeNow := time.Now()
subURL := fmt.Sprintf("http://%s:%d/",
strings.SplitN(sub.String(), "*", 2)[0], constants.SubPortNumber)
fmt.Fprintf(w, "Information for sub: <a href=\"%s\">%s</a><br>\n",
subURL, subName)
fmt.Fprintln(w, "</h3>")
fmt.Fprint(w, "<table border=\"0\">\n")
newRow(w, "Required Image", true)
sub.herd.showImage(w, sub.mdb.RequiredImage, true)
newRow(w, "Planned Image", false)
sub.herd.showImage(w, sub.mdb.PlannedImage, false)
newRow(w, "Busy time", false)
sub.showBusy(w)
newRow(w, "Status", false)
fmt.Fprintf(w, " <td>%s</td>\n", sub.publishedStatus.html())
newRow(w, "Uptime", false)
showSince(w, sub.pollTime, sub.startTime)
newRow(w, "Last scan duration", false)
showDuration(w, sub.lastScanDuration, false)
newRow(w, "Time since last successful poll", false)
showSince(w, timeNow, sub.lastPollSucceededTime)
newRow(w, "Time since last update", false)
showSince(w, timeNow, sub.lastUpdateTime)
newRow(w, "Time since last sync", false)
showSince(w, timeNow, sub.lastSyncTime)
newRow(w, "Last connection duration", false)
showDuration(w, sub.lastConnectDuration, false)
newRow(w, "Last short poll duration", false)
showDuration(w, sub.lastShortPollDuration, !sub.lastPollWasFull)
newRow(w, "Last full poll duration", false)
showDuration(w, sub.lastFullPollDuration, sub.lastPollWasFull)
newRow(w, "Last compute duration", false)
showDuration(w, sub.lastComputeUpdateCpuDuration, false)
fmt.Fprint(w, " </tr>\n")
fmt.Fprint(w, "</table>\n")
fmt.Fprintln(w, "MDB Data:")
fmt.Fprintln(w, "<pre>")
json.WriteWithIndent(w, " ", sub.mdb)
fmt.Fprintln(w, "</pre>")
}