def test_missing_ami_setting(load_config_dict_mock, dbm):
load_config_dict_mock.return_value = {}
with dbm.session() as session:
with pytest.raises(ConfigurationError):
adapter = Aws()
adapter.session = session
adapter.getResourceAdapterConfig()
def test_invalid_adapter_configuration(dbm):
"""Ensure exception is raissed from missing required settings"""
with dbm.session() as session:
with pytest.raises(ConfigurationError):
with patch.object(
ResourceAdapter, '_load_config_from_database', return_value={}):
adapter = Aws()
adapter.session = session
adapter.getResourceAdapterConfig()
def test_invalid_settings(load_config_dict_mock, dbm):
load_config_dict_mock.return_value = {
'ami': 'ami-XXXXXXXX',
'unrecognized': 'setting',
'another_bad_setting': 'value',
}
with dbm.session() as session:
with pytest.raises(ConfigurationError):
adapter = Aws()
adapter.session = session
adapter.getResourceAdapterConfig()
def test_get_user_data(load_config_dict_mock, get_config_path_mock): \
# pylint: disable=unused-argument
"""
Use mock data to expand SETTINGS macro
"""
file_contents = '''
#!/usr/bin/env python
### SETTINGS
def main():
pass
if __name__ == '__main__':
main()
'''
fp = io.StringIO(file_contents)
adapter = Aws()
config = adapter.getResourceAdapterConfig()
result = adapter._Aws__get_user_data_script(fp, config)
assert result and isinstance(result, str)
assert get_config_path_mock.called_with('blah.txt')
def test_expand_cloud_init_user_data_template(load_config_dict_mock,
get_config_path_mock): \
# pylint: disable=unused-argument
"""
Load sample data as Jinja2 template
"""
tmpl = '''
#!/usr/bin/env python
installer = '{{ installer }}'
def main():
pass
if __name__ == '__main__':
main()
'''
adapter = Aws()
config = adapter.getResourceAdapterConfig()
result = adapter.expand_cloud_init_user_data_template(
config, template=Template(tmpl))
assert result and isinstance(result, str)
assert get_config_path_mock.called_with('notblah.txt')
def __get_spot_instance_request_map(self, result): \
# pylint: disable=no-self-use
sir_map = {}
adapter_cfg_map = {}
adapter = Aws()
# Create map of spot instance requests keyed on EC2 region
for sir_id, resource_adapter_configuration in result:
if resource_adapter_configuration not in adapter_cfg_map:
adapter_cfg = adapter.getResourceAdapterConfig(
resource_adapter_configuration)
adapter_cfg_map[resource_adapter_configuration] = \
adapter_cfg
else:
adapter_cfg = adapter_cfg_map[
resource_adapter_configuration]
if adapter_cfg['region'].name not in sir_map:
sir_map[adapter_cfg['region'].name] = []
sir_map[adapter_cfg['region'].name].append(sir_id)
return sir_map
def runCommand(self):
self.parseArgs()
adapter = Aws()
configDict = adapter.getResourceAdapterConfig(
self.getOptions().resource_adapter_configuration)
conn = adapter.getEC2Connection(configDict)
vpc_conn = boto.vpc.VPCConnection()
if self.getOptions().availability_zone:
# Command-line overrides configured availability zone
zone = self.getOptions().availability_zone
elif 'zone' not in configDict or not configDict['zone']:
# Determine availability zone from configured subnet
if 'subnet_id' in configDict:
vpc_subnet = vpc_conn.get_all_subnets(
subnet_ids=[configDict['subnet_id']])
zone = vpc_subnet[0].availability_zone
else:
zone = None
else:
zone = configDict['zone']
product_description = 'Linux/UNIX (Amazon VPC)' \
if 'subnet_id' in configDict else 'Linux/UNIX'
start_time = None
end_time = None
now = datetime.datetime.utcnow()
start_time = now.strftime('%Y-%m-%dT%H:%M:%S.000Z')
end_time = start_time
if zone == 'all':
# Query EC2 for all zones in configured region
zones = [zone_.name for zone_ in conn.get_all_zones()]
else:
zones = [zone]
for availability_zone in zones:
for spot_price in conn.get_spot_price_history(
instance_type=configDict['instancetype'],
product_description=product_description,
start_time=start_time, end_time=end_time,
availability_zone=availability_zone):
print(availability_zone, spot_price.instance_type,
spot_price.price,
spot_price.product_description)
def test_use_instance_hostname(load_config_dict_mock, dbm):
load_config_dict_mock.return_value = {
'ami': 'ami-XXXXXX',
'override_dns_domain': 'true',
'dns_domain': 'cloud.example.com',
'use_instance_hostname': 'false',
}
with dbm.session() as session:
adapter = Aws()
adapter.session = session
result = adapter.getResourceAdapterConfig()
assert result['dns_domain'] == 'cloud.example.com'
def test_minimal_config(dbm, minimal_configDict):
with dbm.session() as session:
with patch.object(
ResourceAdapter, '_load_config_from_database',
return_value=minimal_configDict):
adapter = Aws()
adapter.session = session
config = adapter.getResourceAdapterConfig()
assert 'ami' in config
assert config['ami'] == 'ami-XXXXXXXX'
assert isinstance(config['override_dns_domain'], bool)
assert not config['override_dns_domain']
def test_override_dns_domain_enabled_with_dns_domain(dbm):
configDict = {
'ami': 'ami-XXXXXXXX',
'override_dns_domain': 'true',
'dns_domain': 'mydomain',
}
with dbm.session() as session:
with patch.object(
ResourceAdapter, '_load_config_from_database',
return_value=configDict):
adapter = Aws()
adapter.session = session
config = adapter.getResourceAdapterConfig()
assert isinstance(config['override_dns_domain'], bool)
assert config['override_dns_domain']
assert config['dns_domain'] == 'mydomain'
def runCommand(self):
self.parseArgs()
cfg = configparser.ConfigParser()
cfg.read(
os.path.join(ConfigManager().getRoot(), 'var',
'spot-instances.conf'))
if not cfg.sections():
sys.exit(0)
adapter = Aws()
adapter_cfg = adapter.getResourceAdapterConfig(
self.getOptions().resource_adapter_configuration)
session = boto3.session.Session(region_name=adapter_cfg['region'].name)
ec2_conn = session.client('ec2')
result = ec2_conn.describe_spot_instance_requests(
SpotInstanceRequestIds=cfg.sections())
for sir in result[u'SpotInstanceRequests']:
node = cfg.get(sir[u'SpotInstanceRequestId'], 'node') \
if cfg.has_option(sir[u'SpotInstanceRequestId'], 'node') else \
None
if not node:
print('{0} {1} {2}'.format(sir['SpotInstanceRequestId'],
sir[u'State'],
sir[u'Status'][u'Code']))
else:
node_label = node \
if node != '<unknown>' and self.getOptions().verbose else \
node.split('.', 1)[0]
print('{0} ({3}) {1} {2}'.format(sir[u'SpotInstanceRequestId'],
sir[u'State'],
sir[u'Status'][u'Code'],
node_label))
def test_get_user_data_with_node(load_config_dict_mock, get_config_path_mock): \
# pylint: disable=unused-argument
"""
Use mock data to expand SETTINGS macro
"""
file_contents = '''
#!/usr/bin/env python
### SETTINGS
def main():
pass
if __name__ == '__main__':
main()
'''
fp = io.StringIO(file_contents)
adapter = Aws()
config = adapter.getResourceAdapterConfig()
class DummyNode:
def __init__(self, name):
self.name = name
node = DummyNode('mynode.example.com')
result = adapter._Aws__get_user_data_script(fp, config, node=node)
assert result and isinstance(result, str)
assert get_config_path_mock.called_with('blah.txt')
def test_override_dns_domain_enabled(dbm):
configDict = {
'ami': 'ami-XXXXXXXX',
'override_dns_domain': 'true',
}
with dbm.session() as session:
with patch.object(
ResourceAdapter, '_load_config_from_database',
return_value=configDict):
adapter = Aws()
adapter.session = session
config = adapter.getResourceAdapterConfig()
assert isinstance(config['override_dns_domain'], bool)
assert config['override_dns_domain']
# when 'dns_domain' is not specified in the resource adapter
# configuration, the current private DNS zone is used. We don't
# care what the value is as long as there is one.
assert isinstance(config['dns_domain'], str)
assert config['dns_domain']
def test_defaults(load_config_dict_mock, dbm):
load_config_dict_mock.return_value = {
'ami': 'ami-XXXXXXXX',
}
with dbm.session() as session:
adapter = Aws()
adapter.session = session
result = adapter.getResourceAdapterConfig()
assert result['ami'] == 'ami-XXXXXXXX'
assert result['use_instance_hostname']
assert result['associate_public_ip_address']
assert not result['cloud_init']
assert not result.get('override_dns_domain', None)
assert not result.get('use_domain_from_dhcp_option_set', None)
assert result['region'] == 'us-east-1'