# show-healthcheckstatus
#
# Generates a List of all VDIRs and their Healtcheck
# Checks are done als Backgrpund Jobs to have a parallel check and independent of "hanging servers"
# but eats up a lot of Powershell Sessions and Memory
# 20170405 V2.0 Using Webrequest with a shorter Timeout instead of Backgroundjobs
# Working with HTML Fragments and Files https://blogs.technet.microsoft.com/heyscriptingguy/2013/04/01/working-with-html-fragments-and-files/
#
param (
$serverlist = @("EXMDB0","EXMDB1","EXMDB2","EXMDB3","EXMDB4","EXMDB5"),
[array]$vdirlist = @("OWA","ECP","OAB","EWS","Autodiscover","MAPI","RPC","Microsoft-Server-ActiveSync"),
[int]$updateinterval = 5,
[int]$httptimeout = 2, # should not be less than 2 seconds, because Exchange takes some time sometimes
[string]$htmlfile = ".\show-healthcheckstatus.html"
)
write-host " Start"
write-host " Servers $serverlist"
write-host " VDirs $vdirlist"
write-host "Start Collecting and Display Data"
#$ie = new-object -ComObject "InternetExplorer.Application"
write-host " Preloading Hashtable"
[hashtable]$resulttable = @{}
foreach ($server in $serverlist) {
$resulttable[$server]= ("" | select ([array]("Server","ping")+$vdirlist))
$resulttable[$server].Server=$server
}
write-host " Parsing Output"
while (!([console]::KeyAvailable)) {
write-host " Collecting Results"
foreach ($server in $serverlist) {
write-host "Server=$server" -nonewline
if (test-connection -computername $server -Count 2 -ErrorAction silentlycontinue) {
$resulttable[$server].ping = "Up"
}
else {
$resulttable[$server].ping = "NoPING"
}
foreach ($vdir in $vdirlist) {
write-host " $vdir" -nonewline
$testuri = "https://$server/$vdir/healthcheck.htm"
$result = $null
try {
$result = invoke-webrequest $testuri -timeout $httptimeout
}
catch {
write-host "=E" -nonewline
$resulttable[$server].($vdir)= "NO"
}
if ($result) {
write-host "=$($result.statuscode)" -nonewline
$resulttable[$server].($vdir)= $result.statuscode
}
}
write-host " END"
}
$resulttable.values | ft
write-host " Send to HTML-File"
[string]$htmlfilestring = "show-healthcheckstatusshow-healthcheckstatus
"
$htmlfilestring+="Last generated $(get-date)
"
$htmlfilestring+= ($resulttable.values | sort-object server | convertto-html -fragment)
$htmlfilestring+=""
$htmlfilestring | out-file -filepath $htmlfile
write-host " Wait $updateinterval Seconds. press any key to end script"
start-sleep -seconds $updateinterval
}
write-host " End"