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fix for issue #10422. outputs informative error message when AWS credentials are not available

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This commit is contained in:
Steve Gargan 2015-03-15 12:20:34 +00:00
parent 22304afd1d
commit fbff0449ce
1 changed files with 35 additions and 22 deletions
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57
plugins/inventory/ec2.py
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@ -334,23 +334,24 @@ class Ec2Inventory(object):
self.write_to_cache(self.inventory, self.cache_path_cache)
self.write_to_cache(self.index, self.cache_path_index)
def connect(self, region):
''' create connection to api server'''
if self.eucalyptus:
conn = boto.connect_euca(host=self.eucalyptus_host)
conn.APIVersion = '2010-08-31'
else:
conn = ec2.connect_to_region(region)
# connect_to_region will fail "silently" by returning None if the region name is wrong or not supported
if conn is None:
raise Exception("region name: %s likely not supported, or AWS is down. connection to region failed." % region)
return conn
def get_instances_by_region(self, region):
''' Makes an AWS EC2 API call to the list of instances in a particular
region '''
try:
if self.eucalyptus:
conn = boto.connect_euca(host=self.eucalyptus_host)
conn.APIVersion = '2010-08-31'
else:
conn = ec2.connect_to_region(region)
# connect_to_region will fail "silently" by returning None if the region name is wrong or not supported
if conn is None:
print("region name: %s likely not supported, or AWS is down. connection to region failed." % region)
sys.exit(1)
conn = self.connect(region)
reservations = []
if self.ec2_instance_filters:
for filter_key, filter_values in self.ec2_instance_filters.iteritems():
@ -363,6 +364,9 @@ class Ec2Inventory(object):
self.add_instance(instance, region)
except boto.exception.BotoServerError, e:
if e.error_code == 'AuthFailure':
self.display_auth_error()
if not self.eucalyptus:
print "Looks like AWS is down again:"
print e
@ -379,23 +383,33 @@ class Ec2Inventory(object):
for instance in instances:
self.add_rds_instance(instance, region)
except boto.exception.BotoServerError, e:
if e.error_code == 'AuthFailure':
self.display_auth_error()
if not e.reason == "Forbidden":
print "Looks like AWS RDS is down: "
print e
sys.exit(1)
def get_instance(self, region, instance_id):
''' Gets details about a specific instance '''
if self.eucalyptus:
conn = boto.connect_euca(self.eucalyptus_host)
conn.APIVersion = '2010-08-31'
def display_auth_error(self):
''' Raise an error with an informative message if there is an issue authenticating'''
errors = ["Authentication error retrieving ec2 inventory."]
if None in [os.environ.get('AWS_ACCESS_KEY_ID'), os.environ.get('AWS_SECRET_ACCESS_KEY')]:
errors.append(' - No AWS_ACCESS_KEY_ID or AWS_SECRET_ACCESS_KEY environment vars found')
else:
conn = ec2.connect_to_region(region)
errors.append(' - AWS_ACCESS_KEY_ID and AWS_SECRET_ACCESS_KEY environment vars found but may not be correct')
# connect_to_region will fail "silently" by returning None if the region name is wrong or not supported
if conn is None:
print("region name: %s likely not supported, or AWS is down. connection to region failed." % region)
sys.exit(1)
boto_paths = ['/etc/boto.cfg', '~/.boto', '~/.aws/credentials']
boto_config_found = list(p for p in boto_paths if os.path.isfile(os.path.expanduser(p)))
if len(boto_config_found) > 0:
errors.append(" - Boto configs found at '%s', but the credentials contained may not be correct" % ', '.join(boto_config_found))
else:
errors.append(" - No Boto config found at any expected location '%s'" % ', '.join(boto_paths))
raise Exception('\n'.join(errors))
def get_instance(self, region, instance_id):
conn = self.connect(region)
reservations = conn.get_all_instances([instance_id])
for reservation in reservations:
@ -785,4 +799,3 @@ class Ec2Inventory(object):
# Run the script
Ec2Inventory()