def get_instances():
"""
Get the information for all instances with the relevant roles.
This function will assume that it's running on an EC2 instance with the correct IAM role.
See https://boto3.amazonaws.com/v1/documentation/api/latest/guide/configuration.html#iam
-role for details.
:raises: botocore.exceptions.ClientError if can't describe local instance information.
:return: All visible instances from this instance
"""
current_instance = AwsInstance()
local_ssm_client = boto3.client("ssm", current_instance.get_region())
try:
response = local_ssm_client.describe_instance_information()
filtered_instances_data = filter_instance_data_from_aws_response(response)
return filtered_instances_data
except botocore.exceptions.ClientError as e:
logger.warning("AWS client error while trying to get instances: " + e)
raise e
class AwsEnvironment(Environment):
_credentials_required = True
def __init__(self, config):
super(AwsEnvironment, self).__init__(config)
# Not suppressing error here on purpose. This is critical if we're on AWS env.
self.aws_info = AwsInstance()
self._instance_id = self._get_instance_id()
self.region = self._get_region()
def _get_instance_id(self):
return self.aws_info.get_instance_id()
def _get_region(self):
return self.aws_info.get_region()
def get_auth_users(self):
if self._is_registered():
return self._config.get_users()
else:
return []
