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KeepAlive.ps1
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KeepAlive.ps1
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# Ping Dovetail tenants to keep them alive
# TODO:
# Figure out a way to keep the general-api app alive
# Chad: I think Site24x7 hitting the login page isn't enough now. I noticed that there was a hit to the AutoMapperConfiguration that seemed to take awhile. So I think there's a big hit the first time you open a query grid. Not just the setup page, but you need to actually hit a grid.
# Tenants & Portals
$tenants = @('https://default.lclhst.io','https://dev.dovetailnow.com')
$portals = @('http://default.lclhst.io/esp','https://dev.portal.demo.dovetailnow.com')
# How long to sleep betweek keep-alives (15 is a good number, as IIS usually has a 20 minute app timeout)
$sleepTimeInMinutes = 15
# How many keep alive loops to do?
# 4 loops of 15 minutes each, would keep the app alive for the next hour
# 8 loops of 15 minutes each, would keep the app alive for the next 2 hours
$numberOfLoops = 4
### Functions
function Start-Sleep($seconds) {
$doneDT = (Get-Date).AddSeconds($seconds)
while($doneDT -gt (Get-Date)) {
$secondsLeft = $doneDT.Subtract((Get-Date)).TotalSeconds
$percent = ($seconds - $secondsLeft) / $seconds * 100
Write-Progress -Activity "Sleeping" -Status "Sleeping..." -SecondsRemaining $secondsLeft -PercentComplete $percent
[System.Threading.Thread]::Sleep(500)
}
Write-Progress -Activity "Sleeping" -Status "Sleeping..." -SecondsRemaining 0 -Completed
}
function Ping-Tenants(){
# Setup
$WebClient = New-Object Net.WebClient
foreach ($tenant in $tenants) {
write-host "Pinging: $tenant"
# Agent Legacy
$Source = $WebClient.DownloadString($tenant + "/agent/health.aspx")
# Agent SPA
$Source = $WebClient.DownloadString($tenant + "/agent/public/case-survey/123/456")
# API Docs
$Source = $WebClient.DownloadString($tenant + "/api/doc")
# Legacy API
$Source = $WebClient.DownloadString($tenant + "/api/health.aspx")
# Portal Configs
# Unsure if the health-check endpoint really spins up the app completely.
$Source = $WebClient.DownloadString($tenant + "/api/v3/portal-configs/health-check");
# This will 401 (unauthorized). I have the doubts whether this really spins up the app. Blurg. Regardless, just fail silently
try {
$Source = $WebClient.DownloadString($tenant + "/agent/api/portal-configs");
}
catch {}
# General API
# This will 401 (unauthorized). I have the doubts whether this really spins up the app. Blurg. Regardless, just fail silently
try {
$Source = $WebClient.DownloadString($tenant + "/api/assets/00000000-0000-0000-0000-000000000000");
}
catch {}
# This works locally, but not in AWS (because general-api isn't exposed publicly, and we don't have a redirect rule, as it doesn't need to be publicly exposed)
if ($tenant -eq 'https://default.lclhst.io'){
$Source = $WebClient.DownloadString($tenant + "/general-api/health-check")
}
}
foreach ($portal in $portals) {
write-host "Pinging Portal: $portal"
$Source = $WebClient.DownloadString($portal + "/login")
}
}
### Main
$loopCounter = 1
$sleepTimeInSeconds = 60 * $sleepTimeInMinutes
DO {
"Starting Loop $loopCounter of $numberOfLoops"
Ping-Tenants
Start-Sleep $sleepTimeInSeconds
$loopCounter++
} While ($loopCounter -le $numberOfLoops)