send-blobevents.ps1
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<#PSScriptInfo .VERSION 1.0 .GUID 1f423c85-0d40-4d9e-b57a-6a3783fe2876 .AUTHOR mike@michaelwhitehouse.com .COMPANYNAME .COPYRIGHT .TAGS .LICENSEURI .PROJECTURI .ICONURI .EXTERNALMODULEDEPENDENCIES .REQUIREDSCRIPTS .EXTERNALSCRIPTDEPENDENCIES .RELEASENOTES #> <# .DESCRIPTION Supporting script file for use with godeploy AZ500 labs #> ################################################ #options to change param( [Parameter(Mandatory = $true)] $primarykey = "", [Parameter(Mandatory = $true)] $eventhubnamespace = "", [Parameter(Mandatory = $true)] $eventhub = "", [Parameter(Mandatory = $true)] [string]$numberOfEvents = "" ) ################################################# # Load the System.Web assembly to enable UrlEncode $webDLLPath = $psscriptroot [Reflection.Assembly]::LoadFile( "$webDllPath\System.Web.dll") | out-null $method = "POST" $URI = "https://$eventhubnamespace.servicebus.windows.net/$eventhub/messages" $encodedURI = [System.Web.HttpUtility]::UrlEncode($URI) $keyname = "RootManageSharedAccessKey" $key = $primarykey $startDate = [datetime]"01/01/1970 00:00" $hour = New-TimeSpan -Hours 1 # Calculate expiry value one hour ahead $sinceEpoch = New-TimeSpan -Start $startDate -End ((Get-Date) + $hour) $expiry = [Math]::Floor([decimal]($sinceEpoch.TotalSeconds + 3600)) # Create the signature $stringToSign = $encodedURI + "`n" + $expiry $hmacsha = New-Object System.Security.Cryptography.HMACSHA256 $hmacsha.key = [Text.Encoding]::ASCII.GetBytes($key) $signature = $hmacsha.ComputeHash([Text.Encoding]::ASCII.GetBytes($stringToSign)) $signature = [System.Web.HttpUtility]::UrlEncode([Convert]::ToBase64String($signature)) # API headers $headers = @{ "Authorization"="SharedAccessSignature sr=" + $encodedURI + "&sig=" + $signature + "&se=" + $expiry + "&skn=" + $keyname; "Content-Type"="application/atom+xml;type=entry;charset=utf-8" } # create Request Body for ($i = 1; $i -lt [string]$numberOfEvents; $i++) { $rand = Get-Random -Minimum 25 -Maximum 100 $body = "{'DeviceId':'dev-$i', 'Temperature':'$rand'}" Write-Host "Sending event $i to eventhub `nwith data of $body" # execute the Azure REST API Invoke-RestMethod -Uri $URI -Method $method -Headers $headers -Body $body } |