def setup_aws_credentials():
try:
# Use existing credentials
boto3.Session(profile_name=aws_profile_name)
except ProfileNotFound:
# Setup new credentials
print(
'AWS credentials not found. Please create an IAM user with '
'programmatic access and AdministratorAccess policy at '
'https://console.aws.amazon.com/iam/ (On the "Set permissions" '
'page, choose "Attach existing policies directly" and then select '
'"AdministratorAccess" policy). After creating the IAM user, '
'please enter the user\'s Access Key ID and Secret Access '
'Key below:'
)
aws_access_key_id = input('Access Key ID: ')
aws_secret_access_key = input('Secret Access Key: ')
if not os.path.exists(os.path.expanduser('~/.aws/')):
os.makedirs(os.path.expanduser('~/.aws/'))
aws_credentials_file_path = '~/.aws/credentials'
aws_credentials_file_string = None
expanded_aws_file_path = os.path.expanduser(aws_credentials_file_path)
if os.path.exists(expanded_aws_file_path):
with open(expanded_aws_file_path, 'r') as aws_credentials_file:
aws_credentials_file_string = aws_credentials_file.read()
with open(expanded_aws_file_path, 'a+') as aws_credentials_file:
# Clean up file
if aws_credentials_file_string:
if aws_credentials_file_string.endswith("\n\n"):
pass
elif aws_credentials_file_string.endswith("\n"):
aws_credentials_file.write("\n")
else:
aws_credentials_file.write("\n\n")
# Write login details
aws_credentials_file.write('[{}]\n'.format(aws_profile_name))
aws_credentials_file.write(
'aws_access_key_id={}\n'.format(aws_access_key_id)
)
aws_credentials_file.write(
'aws_secret_access_key={}\n'.format(aws_secret_access_key)
)
print('AWS credentials successfully saved in {} file.\n'.format(
aws_credentials_file_path
))
os.environ['AWS_PROFILE'] = aws_profile_name
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