def list_autoscaling_instances(stack,
resource_name,
ssh_key=None,
ssh_user=None):
# make sure stack is active
cf.validate_stack(stack)
# get ec2 instances for the given autoscaling group
instances = cf.get_stack_autoscaling_group_instances(stack, resource_name)
if instances is not None and len(instances) > 0:
# get the current time
now = datetime.datetime.now(
dateutil.tz.tzlocal()).replace(microsecond=0)
# list details all active instances
for i in instances:
# do not print terminated instances
if i.state == 'terminated':
continue
# display relative runtime
launch_time = dateutil.parser.parse(i.__dict__['launch_time'])
launch_delta = now - launch_time
# print status line
print '*** %(state)s | %(name)s | %(instance_id)s | %(instance_type)s | Active for %(launch_delta)s' % {
'state': i.state,
'name': i.__dict__['tags']['Name'],
'instance_id': i.__dict__['id'],
'instance_type': i.__dict__['instance_type'],
'launch_delta': launch_delta
}
# print SSH connection string
if ssh_key is not None and ssh_user is not None:
hostname = i.__dict__['public_dns_name']
if hostname is not '':
print " ssh -i %(ssh_key)s -l %(login)s %(host)s " % {
'ssh_key': ssh_key,
'login': ssh_user,
'host': hostname,
}
else:
'*** No EC2 instances found in %(resource_name)s!' % {
'resource_name': resource_name
}
def list_autoscaling_instances(stack, resource_name, ssh_key=None, ssh_user=None):
# make sure stack is active
cf.validate_stack(stack)
# get ec2 instances for the given autoscaling group
instances = cf.get_stack_autoscaling_group_instances(stack, resource_name)
if instances is not None and len(instances) > 0:
# get the current time
now = datetime.datetime.now(dateutil.tz.tzlocal()).replace(microsecond=0)
# list details all active instances
for i in instances:
# do not print terminated instances
if i.state == 'terminated':
continue
# display relative runtime
launch_time = dateutil.parser.parse(i.__dict__['launch_time'])
launch_delta = now - launch_time
# print status line
print '*** %(state)s | %(name)s | %(instance_id)s | %(instance_type)s | Active for %(launch_delta)s' % {
'state' : i.state,
'name' : i.__dict__['tags']['Name'],
'instance_id' : i.__dict__['id'],
'instance_type' : i.__dict__['instance_type'],
'launch_delta' : launch_delta
}
# print SSH connection string
if ssh_key is not None and ssh_user is not None:
hostname = i.__dict__['public_dns_name']
if hostname is not '':
print " ssh -i %(ssh_key)s -l %(login)s %(host)s " % {
'ssh_key' : ssh_key,
'login' : ssh_user,
'host' : hostname,
}
else:
'*** No EC2 instances found in %(resource_name)s!' % {
'resource_name' : resource_name
}
def recycle_autoscale_instances(stack, resource_name):
# make sure stack is active
cf.validate_stack(stack)
# get autoscaling group from the stack
webrole_group = cf.get_stack_autoscaling_group(stack, resource_name)
# get instance ids for the given autoscaling group
instance_ids = ec2.get_autoscaling_group_instance_ids(webrole_group)
if instance_ids is not None and len(instance_ids) > 0:
# get all instances and terminate them
print "Recycle instances: "
instances = ec2.get_instances(instance_ids)
for instance in instances:
recycle_instance(instance)
def recycle_autoscale_instances(stack, resource_name):
# make sure stack is active
cf.validate_stack(stack)
# get autoscaling group from the stack
webrole_group = cf.get_stack_autoscaling_group(stack, resource_name)
# get instance ids for the given autoscaling group
instance_ids = ec2.get_autoscaling_group_instance_ids(webrole_group)
if instance_ids is not None and len(instance_ids) > 0:
# get all instances and terminate them
print "Recycle instances: "
instances = ec2.get_instances(instance_ids)
for instance in instances:
recycle_instance(instance)
