Allow credentials to be passed by environment variables. about awspx HOT 2 CLOSED

I had a similar problem of wanting to run awspx ingest from an EC2 that has an IAM role associated with it. My expectation was that the IAM role of the EC2 would be used for the ingestion, but instead it responded with:

# awspx ingest
[-] The profile 'default' was not found. Would you like to create it? (y/n) y
AWS Access Key ID [None]:
AWS Secret Access Key [None]:
Default region name [None]:
Default output format [None]:
[+] Profile 'default' created.
[-] Request to establish identity (sts:GetCallerIdentity) failed.
[+] Region set to: eu-west-1
[+] Database set to: default.db

I believe AWS tools should just let boto do it's magic in figuring what credentials to use, which in my case would mean hitting the metadata service to get a session of the IAM role.

from awspx.

@0xdabbad00 Great suggestion - I absolutely agree with you, I'll update the cli to include looking for creds by default.

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