fix for issue #10422. outputs informative error message when AWS credentials are not available
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0898920eb0
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@ -334,23 +334,24 @@ class Ec2Inventory(object):
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self.write_to_cache(self.inventory, self.cache_path_cache)
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self.write_to_cache(self.index, self.cache_path_index)
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def connect(self, region):
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''' create connection to api server'''
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if self.eucalyptus:
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conn = boto.connect_euca(host=self.eucalyptus_host)
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conn.APIVersion = '2010-08-31'
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else:
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conn = ec2.connect_to_region(region)
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# connect_to_region will fail "silently" by returning None if the region name is wrong or not supported
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if conn is None:
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raise Exception("region name: %s likely not supported, or AWS is down. connection to region failed." % region)
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return conn
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def get_instances_by_region(self, region):
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''' Makes an AWS EC2 API call to the list of instances in a particular
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region '''
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try:
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if self.eucalyptus:
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conn = boto.connect_euca(host=self.eucalyptus_host)
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conn.APIVersion = '2010-08-31'
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else:
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conn = ec2.connect_to_region(region)
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# connect_to_region will fail "silently" by returning None if the region name is wrong or not supported
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if conn is None:
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print("region name: %s likely not supported, or AWS is down. connection to region failed." % region)
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sys.exit(1)
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conn = self.connect(region)
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reservations = []
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if self.ec2_instance_filters:
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for filter_key, filter_values in self.ec2_instance_filters.iteritems():
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@ -363,6 +364,9 @@ class Ec2Inventory(object):
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self.add_instance(instance, region)
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except boto.exception.BotoServerError, e:
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if e.error_code == 'AuthFailure':
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self.display_auth_error()
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if not self.eucalyptus:
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print "Looks like AWS is down again:"
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print e
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@ -379,23 +383,33 @@ class Ec2Inventory(object):
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for instance in instances:
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self.add_rds_instance(instance, region)
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except boto.exception.BotoServerError, e:
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if e.error_code == 'AuthFailure':
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self.display_auth_error()
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if not e.reason == "Forbidden":
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print "Looks like AWS RDS is down: "
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print e
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sys.exit(1)
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def get_instance(self, region, instance_id):
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''' Gets details about a specific instance '''
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if self.eucalyptus:
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conn = boto.connect_euca(self.eucalyptus_host)
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conn.APIVersion = '2010-08-31'
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def display_auth_error(self):
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''' Raise an error with an informative message if there is an issue authenticating'''
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errors = ["Authentication error retrieving ec2 inventory."]
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if None in [os.environ.get('AWS_ACCESS_KEY_ID'), os.environ.get('AWS_SECRET_ACCESS_KEY')]:
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errors.append(' - No AWS_ACCESS_KEY_ID or AWS_SECRET_ACCESS_KEY environment vars found')
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else:
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conn = ec2.connect_to_region(region)
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errors.append(' - AWS_ACCESS_KEY_ID and AWS_SECRET_ACCESS_KEY environment vars found but may not be correct')
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# connect_to_region will fail "silently" by returning None if the region name is wrong or not supported
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if conn is None:
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print("region name: %s likely not supported, or AWS is down. connection to region failed." % region)
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sys.exit(1)
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boto_paths = ['/etc/boto.cfg', '~/.boto', '~/.aws/credentials']
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boto_config_found = list(p for p in boto_paths if os.path.isfile(os.path.expanduser(p)))
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if len(boto_config_found) > 0:
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errors.append(" - Boto configs found at '%s', but the credentials contained may not be correct" % ', '.join(boto_config_found))
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else:
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errors.append(" - No Boto config found at any expected location '%s'" % ', '.join(boto_paths))
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raise Exception('\n'.join(errors))
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def get_instance(self, region, instance_id):
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conn = self.connect(region)
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reservations = conn.get_all_instances([instance_id])
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for reservation in reservations:
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@ -785,4 +799,3 @@ class Ec2Inventory(object):
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# Run the script
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Ec2Inventory()
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