def _launch_auto_scaling_group(instance):
_setup_auto_scaling_connection()
group_name = instance['auto-scaling-group']
launcher = instance['launch-configuration']
launcher = auto_scaling.get_all_launch_configurations(names=[ launcher ])
if len(launcher) == 0:
params = xl.translate(_create_launch_configuration_mapping, instance)
launcher = boto.ec2.autoscale.launchconfig.LaunchConfiguration(
auto_scaling, **params)
_try_and_retry("Creating launch configuration",
lambda: auto_scaling.create_launch_configuration(launcher),
lambda err: err.status == 400 and err.error_message.startswith(
'Invalid IamInstanceProfile: '))
else:
logger.debug('Launch configuration %s already exists, skipping', launcher)
group = auto_scaling.get_all_groups(names=[ group_name ])
if len(group) == 0:
# TODO: Make this a plugin
if 'load-balancers' in instance:
lb = instance['load-balancers']
if not isinstance(lb, list):
lb = [ lb ]
logger.debug('Checking that load balancers exist: %s', lb)
hc2002.resource.load_balancer.list(lb)
params = xl.translate(_create_auto_scaling_group_mapping, instance)
group = boto.ec2.autoscale.group.AutoScalingGroup(
auto_scaling, **params)
auto_scaling.create_auto_scaling_group(group)
else:
logger.debug('Auto-scaling group already exists, skipping')
# TODO: Handle load balancers
# TODO: Handle updates to both launch configuration and group
if 'notification' in instance:
notification = instance['notification']
if not isinstance(notification['type'], list):
notification['type'] = [ notification['type'] ]
auto_scaling.put_notification_configuration(group_name,
notification['topic'], notification['type'])
if 'schedule' in instance:
for name, schedule in instance['schedule'].iteritems():
params = xl.translate(_scheduled_auto_scaling_action, schedule)
params['AutoScalingGroupName'] = group_name
params['ScheduledActionName'] = name
response = auto_scaling.make_request(
'PutScheduledUpdateGroupAction', params)
if response.status != 200:
logger.warning('Failed to schedule %s scaling action', name)
logger.warning(response.read())
return True
def _block_devices(destination, value):
bdm = boto.ec2.blockdevicemapping.BlockDeviceMapping()
for k, v in value.iteritems():
params = xl.translate(_block_device_mapping, v,
{ 'delete_on_termination': True })
bdm[k] = boto.ec2.blockdevicemapping.BlockDeviceType(**params)
destination[key] = bdm
def _block_devices(destination, value):
bdm = boto.ec2.blockdevicemapping.BlockDeviceMapping()
for k, v in value.iteritems():
params = xl.translate(_block_device_mapping, v,
{'delete_on_termination': True})
bdm[k] = boto.ec2.blockdevicemapping.BlockDeviceType(**params)
destination[key] = bdm
def _launch_spot_instance(instance):
_setup_ec2_connection()
params = xl.translate(_launch_spot_instance_mapping, instance)
return _try_and_retry("Creating spot instance request",
lambda: ec2.request_spot_instances(**params),
lambda err: err.status == 400 and err.error_message.endswith(
'Invalid IAM Instance Profile name'))
def _launch_spot_instance(instance):
_setup_ec2_connection()
params = xl.translate(_launch_spot_instance_mapping, instance)
return _try_and_retry(
"Creating spot instance request",
lambda: ec2.request_spot_instances(**params),
lambda err: err.status == 400 and err.error_message.endswith(
'Invalid IAM Instance Profile name'))
def _launch_instance(instance):
_setup_ec2_connection()
params = xl.translate(_launch_instance_mapping, instance)
reservation = _try_and_retry("Launching instances",
lambda: ec2.run_instances(**params),
lambda err: err.status == 400 and err.error_message.endswith(
'Invalid IAM Instance Profile name'))
if 'tags' in instance:
instances = [ inst.id for inst in reservation.instances ]
_try_and_retry("Adding tags to instance(s)",
lambda: ec2.create_tags(instances, instance['tags']),
lambda err: err.status == 400
and err.error_code == 'InvalidInstanceID.NotFound')
return reservation
def _launch_instance(instance):
_setup_ec2_connection()
params = xl.translate(_launch_instance_mapping, instance)
reservation = _try_and_retry(
"Launching instances", lambda: ec2.run_instances(**params),
lambda err: err.status == 400 and err.error_message.endswith(
'Invalid IAM Instance Profile name'))
if 'tags' in instance:
instances = [inst.id for inst in reservation.instances]
_try_and_retry(
"Adding tags to instance(s)",
lambda: ec2.create_tags(instances, instance['tags']),
lambda err: err.status == 400 and err.error_code ==
'InvalidInstanceID.NotFound')
return reservation
def _launch_auto_scaling_group(instance):
_setup_auto_scaling_connection()
group_name = instance['auto-scaling-group']
launcher = instance['launch-configuration']
launcher = auto_scaling.get_all_launch_configurations(names=[launcher])
if len(launcher) == 0:
params = xl.translate(_create_launch_configuration_mapping, instance)
launcher = boto.ec2.autoscale.launchconfig.LaunchConfiguration(
auto_scaling, **params)
_try_and_retry(
"Creating launch configuration",
lambda: auto_scaling.create_launch_configuration(launcher),
lambda err: err.status == 400 and err.error_message.startswith(
'Invalid IamInstanceProfile: '))
else:
logger.debug('Launch configuration %s already exists, skipping',
launcher)
group = auto_scaling.get_all_groups(names=[group_name])
if len(group) == 0:
# TODO: Make this a plugin
if 'load-balancers' in instance:
lb = instance['load-balancers']
if not isinstance(lb, list):
lb = [lb]
logger.debug('Checking that load balancers exist: %s', lb)
hc2002.resource.load_balancer.list(lb)
params = xl.translate(_create_auto_scaling_group_mapping, instance)
group = boto.ec2.autoscale.group.AutoScalingGroup(
auto_scaling, **params)
auto_scaling.create_auto_scaling_group(group)
else:
logger.debug('Auto-scaling group already exists, skipping')
# TODO: Handle load balancers
# TODO: Handle updates to both launch configuration and group
if 'notification' in instance:
notification = instance['notification']
if not isinstance(notification['type'], list):
notification['type'] = [notification['type']]
auto_scaling.put_notification_configuration(group_name,
notification['topic'],
notification['type'])
if 'schedule' in instance:
for name, schedule in instance['schedule'].iteritems():
params = xl.translate(_scheduled_auto_scaling_action, schedule)
params['AutoScalingGroupName'] = group_name
params['ScheduledActionName'] = name
response = auto_scaling.make_request(
'PutScheduledUpdateGroupAction', params)
if response.status != 200:
logger.warning('Failed to schedule %s scaling action', name)
logger.warning(response.read())
return True
