![]() $UrlEncodedSignatureString = ::UrlEncode($SignatureString) $SignatureString = ::ToBase64String($HashBytes) $HashBytes = $HMAC.ComputeHash(::ASCII.GetBytes($RawSignatureString)) $RawSignatureString = "$UrlEncodedEndpoint`n$Expiry" $Expiry = ::Now.ToUnixTimeSeconds() + $TokenValidFor $UrlEncodedEndpoint = ::UrlEncode($Endpoint) ($Endpoint), $PolicyName, $Key = ($ConnectionString -replace $Pattern, '$1 $2 $3') -split ' ' $Pattern = 'Endpoint=(.+) SharedAccessKeyName=(.+) SharedAccessKey=(.+)' We have to have an SAS token to interact with Service Bus entities: $SendTopic = "your-target-topic" #The topic in which you wish to send the messages $ReceiveSubscription = 'your-source-subscription' #The subscription in which you wish to take messages $ReceiveTopic = 'your-source-topic' #The topic in which you wish to take messages $ConnectionString = 'your-connection-string' #ServiceBus Namespace connection string In reality, this will not affect just one, but all the messages that caused an error while the system was unavailable.Īt the start of the script, we first need to enter all the following parameters: A process then moves this message to a special topic, waiting for the system to once again become operational so the message can be inserted correctly. The message is automatically moved to the dead letter queue. With each attempt, the message’s Deliver圜ount property is incremented until it hits the maximum delivery count value. This stream then generates an error because a system is temporarily unavailable. We will see how this is done using a PowerShell script.Ī stream retrieves messages from a Service Bus subscription using Peek-Lock mode. To do so, we need to move messages from a Service Bus subscription to another topic with a time frame as the input parameter. ![]() We are discussing here how to set up a retry mechanism.
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