AWS Boto – Key pair creation – Regions matter!!

I was trying to create an EC2 key-pair using AWS Python SDK’s (Boto) create_key_pair() method, something like:

key_name = 'BlockChainEC2InstanceKeyPair-1'    
def create_new_key_pair(key_name):
    newKey = objEC2.create_key_pair(key_name)

The keys are created as expected because I was able to fetch the keys using Boto’s get_all_key_pairs() method like below:

def get_all_keypairs():
         key= objEC2.get_all_key_pairs()

The get_all_key_pairs() method returns the result like below showing that the key pair exists:

<DescribeKeyPairsResponse xmlns="">

The problem was that when I logged onto my AWS console of the same account whose access keys I used to create the key pairs – I don’t get to see the newly created keys.

I posted this question to the ever helpful folks at Stack Overflow (here).

Based on the response I realized that Boto was creating the keys in its default configured region of US East while I was defaulting to US West when I log in to the AWS console.  I was able to view the newly created keys when I changed the region in my AWS console [EC2 >> Key Pairs].

The fix was to add the following code snippet to the boto.cfg file:

ec2_region_name = us-west-2


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