def instantiate_role(self, role):
delegate = self._delegate['delegate']
ec2 = self._delegate['ec2']
rd = self._delegate['role_defs'][role]
log.info("Instantiating role {} from role-def {!r}".format(role, rd))
private_ip = derive_ip_address(
self._delegate['subnet_obj'].cidr_block,
self._delegate['delegate'],
rd['last-octet'],
)
# kwargs we use always
our_kwargs = {
"key_name": self._delegate['keyname'],
"subnet_id": self._delegate['subnet_obj'].id,
"instance_type": rd['type'],
"private_ip_address": private_ip,
"placement": self.availability_zone()
}
# conditional kwargs
if rd['user-data']:
u = get_file_as_string(rd['user-data'])
log.info("Read {} characters of user-data from file {}".format(
len(u), rd['user-data']))
# FIXME master IP address is hardcoded
# FIXME template_token_subst() calls are hardcoded
u = template_token_subst(u, '@@MASTER_IP@@', '10.0.0.10')
u = template_token_subst(u, '@@DELEGATE@@', delegate)
u = template_token_subst(u, '@@ROLE@@', role)
u = template_token_subst(u, '@@NODE_NO@@', rd['node-no'])
u = template_token_subst(u, '@@REGION@@', self.region())
our_kwargs['user_data'] = u
reservation = ec2.run_instances(rd['ami-id'], **our_kwargs)
i_obj = reservation.instances[0]
self.apply_tags(i_obj, role=role)
v_obj = None
if rd['volume']:
vol_size = int(rd['volume'])
log.info("Role {} requires {}GB volume".format(role, vol_size))
if vol_size > 0:
v_obj = ec2.create_volume(vol_size, i_obj.placement)
self.apply_tags(v_obj, role=role)
return (i_obj, v_obj)
def instantiate_role(self, role):
delegate = self._delegate["delegate"]
ec2 = self._delegate["ec2"]
rd = self._delegate["role_defs"][role]
log.info("Instantiating role {} from role-def {!r}".format(role, rd))
private_ip = derive_ip_address(
self._delegate["subnet_obj"].cidr_block, self._delegate["delegate"], rd["last-octet"]
)
# kwargs we use always
our_kwargs = {
"key_name": self._delegate["keyname"],
"subnet_id": self._delegate["subnet_obj"].id,
"instance_type": rd["type"],
"private_ip_address": private_ip,
"placement": self.availability_zone(),
}
# conditional kwargs
if rd["user-data"]:
u = get_file_as_string(rd["user-data"])
log.info("Read {} characters of user-data from file {}".format(len(u), rd["user-data"]))
# FIXME master IP address is hardcoded
# FIXME template_token_subst() calls are hardcoded
u = template_token_subst(u, "@@MASTER_IP@@", "10.0.0.10")
u = template_token_subst(u, "@@DELEGATE@@", delegate)
u = template_token_subst(u, "@@ROLE@@", role)
u = template_token_subst(u, "@@NODE_NO@@", rd["node-no"])
u = template_token_subst(u, "@@REGION@@", self.region())
our_kwargs["user_data"] = u
reservation = ec2.run_instances(rd["ami-id"], **our_kwargs)
i_obj = reservation.instances[0]
self.apply_tags(i_obj, role=role)
v_obj = None
if rd["volume"]:
vol_size = int(rd["volume"])
log.info("Role {} requires {}GB volume".format(role, vol_size))
if vol_size > 0:
v_obj = ec2.create_volume(vol_size, i_obj.placement)
self.apply_tags(v_obj, role=role)
return (i_obj, v_obj)
def get_key_material(self, keyname):
fn = "keys/{}.pub".format(keyname)
return get_file_as_string(fn)
def get_key_material(self, keyname):
fn = "keys/{}.pub".format(keyname)
return get_file_as_string(fn)