Friday, September 27, 2013

Managing AWS with powershell - part2

Passing in User Data to server create command

Interestingly enough, you have to pass userdata to new instance in a specific format. It has to start with <powershell> and end with </powershell>

..but then in gets more interesting.

You have to pass in your custom script in the Base64 format.

Converting your file to Base64

$string64 = gc .\aws-userdata.ps1 -Encoding byte
$string64_string = [System.Convert]::ToBase64String($string64)

Creating node with user data

New-EC2Instance -ImageId ami-monkey -MinCount 1 -MaxCount 1 -keyname monkey -InstanceType m1.medium -Verbose -UserData $string64_string 

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