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WebAppHealthCheckRunbook.ps1
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WebAppHealthCheckRunbook.ps1
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Param(
[object]$WebhookData
)
# The Webhook URL to be used for this runbook is https://s3events.azure-automation.net/webhooks?token=TSIJCVTL6sLSpqm3vn8uI0uZVar9mkUcNfMwc8GzcFM%3d
$CustomerIdentifier = "customerxwebstg"
$WebhookName = $WebhookData.WebhookName
$WebhookBody = $WebhookData.RequestBody
# Outputs information on the webhook name that called This
Write-Output "This runbook was started from webhook $WebhookName."
Write-Output "Writing the incoming request to console ...."
$WebhookData
#$Conn = Get-AutomationConnection -Name AzureRunAsConnection
#Add-AzureRMAccount -ServicePrincipal -Tenant $Conn.TenantID `
#-ApplicationId $Conn.ApplicationID -CertificateThumbprint $Conn.CertificateThumbprint
$WebhookBody = (ConvertFrom-Json -InputObject $WebhookBody)
#Write-Output "`nWEBHOOK BODY"
#Write-Output "============="
#Write-Output $WebhookBody
# Obtain the AlertContext
$AlertContext = [object]$WebhookBody.context
$var1 = $AlertContext.subscriptionId
$var2 = $AlertContext.resourceGroupName
$var3 = $AlertContext.resourceName
$var4 = $AlertContext.timestamp
#creating the Body of the payload to send to the Common OMS Workspace
$json = @"
[{ "SubscriptionId": "$var1",
"ResourceGroup": "$var2",
"ResourceName": "$var3",
"TimeStamp": "$var4"
}]
"@
Write-Output "Printing the Request context $json."
# The following code is used to add some envoloping braces to create a well formed JSON Document
#$customHeader = @{
# CustomerName = $CustomerName
# OmsWorkspaceUrl = $OmsWorkspaceUrl
# EnviromentName = $EnviromentName
#}
#$Url = "http://localhost:11566/api/Heartbeat"
#$Url = "http://octopusagsf.southeastasia.cloudapp.azure.com/vmhealthagg/api/Heartbeat"
#Invoke-RestMethod -Method Post -Uri $url -Credential $Cred -Body $inputjson -ContentType "application/json" -Headers $customHeader
# This is the Unique identifier of the Common Workspace in OMS
$CustomerId = "[Enter the Common OMS Workspace ID]"
# The access key to connect to the common OMS Workspace
$SharedKey = "[Enter the Access key required to invoke the Data Collector API on the common OMS Workspace]"
# Create the function to create the authorization signature
Function Build-Signature ($customerId, $sharedKey, $date, $contentLength, $method, $contentType, $resource)
{
$xHeaders = "x-ms-date:" + $date
$stringToHash = $method + "`n" + $contentLength + "`n" + $contentType + "`n" + $xHeaders + "`n" + $resource
$bytesToHash = [Text.Encoding]::UTF8.GetBytes($stringToHash)
$keyBytes = [Convert]::FromBase64String($sharedKey)
$sha256 = New-Object System.Security.Cryptography.HMACSHA256
$sha256.Key = $keyBytes
$calculatedHash = $sha256.ComputeHash($bytesToHash)
$encodedHash = [Convert]::ToBase64String($calculatedHash)
$authorization = 'SharedKey {0}:{1}' -f $customerId,$encodedHash
return $authorization
}
# Create the function to create and post the request
Function Post-OMSData($customerId, $sharedKey, $body, $logType)
{
$method = "POST"
$contentType = "application/json"
$resource = "/api/logs"
$rfc1123date = [DateTime]::UtcNow.ToString("r")
$contentLength = $body.Length
$signature = Build-Signature `
-customerId $customerId `
-sharedKey $sharedKey `
-date $rfc1123date `
-contentLength $contentLength `
-method $method `
-contentType $contentType `
-resource $resource
$uri = "https://" + $customerId + ".ods.opinsights.azure.com" + $resource + "?api-version=2016-04-01"
$headers = @{
"Authorization" = $signature;
"Log-Type" = $logType;
"x-ms-date" = $rfc1123date;
}
$response = Invoke-WebRequest -Uri $uri -Method $method -ContentType $contentType -Headers $headers -Body $body -UseBasicParsing
return $response.StatusCode
}
# Submit the data to the API endpoint
Post-OMSData -customerId $customerId -sharedKey $sharedKey -body ([System.Text.Encoding]::UTF8.GetBytes($json)) -logType $CustomerIdentifier