def __init__(self, tag, device='/dev/xvdf', mount='/data'):
tag = tag.split(':')
self.tag = {'key': tag[0], 'value': tag[1]}
self.c = utils.connect(boto.ec2.EC2Connection)
self.this_instance = utils.get_this_instance()
self.device = device
self.mount = mount
def __init__(self,tag,device='/dev/xvdf',mount='/data'):
tag = tag.split(':')
self.tag = {'key':tag[0],'value':tag[1]}
self.c = utils.connect(boto.ec2.EC2Connection)
self.this_instance = utils.get_this_instance()
self.device = device
self.mount = mount
def provision(self):
"""
Provision route53 A records based on the tag "Name" of all instances
in the network.
- Assumes private housted route53 zone
- instances without a "Name" tag are silently skipped
- instances not in a 'running' state are silently skipped
- creates A record based on the "Name" tag
- an A record may contain multiple private IPs
:return: None
"""
zone = self.conn.get_zone(self.zone)
assert zone, "No hosted zones found"
# Group instances by their tag "Name"
instances = utils.connect(boto.ec2.EC2Connection).get_only_instances(
filters={
'instance-state-name': 'running',
'vpc-id': utils.get_this_instance().vpc_id
}
)
network_map = {}
for instance in instances:
name = instance.tags.get('Name').lower()
if name is None:
continue
if name not in network_map:
network_map[name] = []
network_map[name].append(instance.private_ip_address)
current_records = {
r.name.replace(self.zone, '').strip('.'): r
for r in zone.get_records()
}
# Create any new records
for new_record_name in set(network_map).difference(current_records):
zone.add_a(
name='{0}.{1}'.format(new_record_name, self.zone),
value=network_map.pop(new_record_name), # list is safe to pass
ttl=30,
)
# Update any records that need to be updated
for update_record_name in network_map.keys():
record_value = network_map.pop(update_record_name)
if set(current_records[update_record_name].resource_records) != \
set(record_value):
zone.update_a(
name='{0}.{1}'.format(update_record_name, self.zone),
value=record_value,
ttl=30,
)
assert len(network_map) == 0, "network_map has unused " \
"entries: {0}".format(network_map)
def provision(self):
"""
Provision route53 A records based on the tag "Name" of all instances
in the network.
- Assumes private housted route53 zone
- instances without a "Name" tag are silently skipped
- instances not in a 'running' state are silently skipped
- creates A record based on the "Name" tag
- an A record may contain multiple private IPs
:return: None
"""
zone = self.conn.get_zone(self.zone)
assert zone, "No hosted zones found"
# Group instances by their tag "Name"
instances = utils.connect(boto.ec2.EC2Connection).get_only_instances(
filters={
'instance-state-name': 'running',
'vpc-id': utils.get_this_instance().vpc_id
})
network_map = {}
for instance in instances:
name = instance.tags.get('Name').lower()
if name is None:
continue
if name not in network_map:
network_map[name] = []
network_map[name].append(instance.private_ip_address)
current_records = {
r.name.replace(self.zone, '').strip('.'): r
for r in zone.get_records()
}
# Create any new records
for new_record_name in set(network_map).difference(current_records):
zone.add_a(
name='{0}.{1}'.format(new_record_name, self.zone),
value=network_map.pop(new_record_name), # list is safe to pass
ttl=30,
)
# Update any records that need to be updated
for update_record_name in network_map.keys():
record_value = network_map.pop(update_record_name)
if set(current_records[update_record_name].resource_records) != \
set(record_value):
zone.update_a(
name='{0}.{1}'.format(update_record_name, self.zone),
value=record_value,
ttl=30,
)
assert len(network_map) == 0, "network_map has unused " \
"entries: {0}".format(network_map)
def __init__(self,tag):
tag = tag.split(':')
self.tag = {'key':tag[0],'value':tag[1]}
self.c = utils.connect(boto.ec2.EC2Connection)
self.this_instance = utils.get_this_instance()
