log errors and explicitly exit rather than raising exceptions

This commit is contained in:
Steve Gargan 2015-03-16 20:00:18 +00:00 committed by Toshio Kuratomi
parent 5488bc395e
commit 103dc01817

View file

@ -343,7 +343,7 @@ class Ec2Inventory(object):
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)
self.fail_with_error("region name: %s likely not supported, or AWS is down. connection to region failed." % region)
return conn
def get_instances_by_region(self, region):
@ -365,12 +365,11 @@ class Ec2Inventory(object):
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
sys.exit(1)
error = self.get_auth_error_message()
else:
backend = 'Eucalyptus' if self.eucalyptus else 'AWS'
error = "Error connecting to %s backend.\n%s" % (backend, e.message)
self.fail_with_error(error)
def get_rds_instances_by_region(self, region):
''' Makes an AWS API call to the list of RDS instances in a particular
@ -384,15 +383,13 @@ class Ec2Inventory(object):
self.add_rds_instance(instance, region)
except boto.exception.BotoServerError, e:
if e.error_code == 'AuthFailure':
self.display_auth_error()
error = self.get_auth_error_message()
if not e.reason == "Forbidden":
print "Looks like AWS RDS is down: "
print e
sys.exit(1)
error = "Looks like AWS RDS is down:\n%s" % e.message
self.fail_with_error(error)
def display_auth_error(self):
''' Raise an error with an informative message if there is an issue authenticating'''
def get_auth_error_message(self):
''' create an informative error 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')
@ -406,7 +403,12 @@ class Ec2Inventory(object):
else:
errors.append(" - No Boto config found at any expected location '%s'" % ', '.join(boto_paths))
raise Exception('\n'.join(errors))
return '\n'.join(errors)
def fail_with_error(self, err_msg):
'''log an error to std err for ansible-playbook to consume and exit'''
sys.stderr.write(err_msg)
sys.exit(1)
def get_instance(self, region, instance_id):
conn = self.connect(region)
@ -506,9 +508,8 @@ class Ec2Inventory(object):
if self.nested_groups:
self.push_group(self.inventory, 'security_groups', key)
except AttributeError:
print 'Package boto seems a bit older.'
print 'Please upgrade boto >= 2.3.0.'
sys.exit(1)
self.fail_with_error('\n'.join(['Package boto seems a bit older.',
'Please upgrade boto >= 2.3.0.']))
# Inventory: Group by tag keys
if self.group_by_tag_keys:
@ -601,9 +602,9 @@ class Ec2Inventory(object):
self.push_group(self.inventory, 'security_groups', key)
except AttributeError:
print 'Package boto seems a bit older.'
print 'Please upgrade boto >= 2.3.0.'
sys.exit(1)
self.fail_with_error('\n'.join(['Package boto seems a bit older.',
'Please upgrade boto >= 2.3.0.']))
# Inventory: Group by engine
if self.group_by_rds_engine: