def populate(self):
"""Prepare services."""
if is_master_process():
for name in self.factories.keys():
self.populateService(name)
else:
for name, item in self.factories.items():
if not item["only_on_master"]:
self.populateService(name)
def inner_start_up():
"""Startup jobs that must run serialized w.r.t. other starting servers."""
# Register our MAC data type with psycopg.
register_mac_type(connection.cursor())
# Ensure the this region is represented in the database. The first regiond
# to pass through inner_start_up on this host can do this; it should NOT
# be restricted to masters only. This also ensures that the MAAS ID is set
# on the filesystem; it will be done in a post-commit hook and will thus
# happen before `locks.startup` is released.
region = RegionController.objects.get_or_create_running_controller()
# Only perform the following if the master process for the
# region controller.
if is_master_process():
# Freshen the kms SRV records.
dns_kms_setting_changed()
# Add or update all builtin scripts
load_builtin_scripts()
# Refresh soon after this transaction is in.
post_commit_do(reactor.callLater, 0, refreshRegion, region)
def register(system_id=None,
hostname='',
interfaces=None,
url=None,
is_loopback=None,
create_fabrics=True,
version=None):
"""Register a new rack controller if not already registered.
Attempt to see if the rack controller was already registered as a node.
This can be looked up either by system_id, hostname, or mac address. If
found convert the existing node into a rack controller. If not found
create a new rack controller. After the rack controller has been
registered and successfully connected we will refresh all commissioning
data.
The parameter ``is_loopback`` is only referenced if ``url`` is not None.
:return: A ``rack-controller``.
"""
if interfaces is None:
interfaces = {}
# If hostname is actually a FQDN, split the domain off and
# create it as non-authoritative domain if it does not exist already.
domain = Domain.objects.get_default_domain()
if hostname.find('.') > 0:
hostname, domainname = hostname.split('.', 1)
(domain,
_) = Domain.objects.get_or_create(name=domainname,
defaults={'authoritative': False})
this_region = RegionController.objects.get_running_controller()
node = find(system_id, hostname, interfaces)
version_log = "2.2 or below" if version is None else version
if node is None:
node = RackController.objects.create(hostname=hostname, domain=domain)
maaslog.info(
"New rack controller '%s' running version %s was created by "
"region '%s' upon first connection.", node.hostname, version_log,
this_region.hostname)
elif node.is_rack_controller:
if is_master_process():
# Only the master process logs to the maaslog.
maaslog.info(
"Existing rack controller '%s' running version %s has "
"connected to region '%s'.", node.hostname, version_log,
this_region.hostname)
elif node.is_region_controller:
maaslog.info(
"Region controller '%s' running version %s converted into a "
"region and rack controller.", node.hostname, version_log)
node.node_type = NODE_TYPE.REGION_AND_RACK_CONTROLLER
node.pool = None
node.save()
else:
maaslog.info(
"Region controller '%s' converted '%s' running version %s into a "
"rack controller.", this_region.hostname, node.hostname,
version_log)
node.node_type = NODE_TYPE.RACK_CONTROLLER
node.pool = None
node.save()
if node.current_commissioning_script_set is None:
# Create a ScriptSet so the rack can store its commissioning data
# which is sent on connect.
script_set = ScriptSet.objects.create_commissioning_script_set(node)
node.current_commissioning_script_set = script_set
node.save()
rackcontroller = node.as_rack_controller()
# Update `rackcontroller.url` from the given URL, if it has changed.
update_fields = []
if url is not None:
if is_loopback and rackcontroller.url != '':
# There used to be a URL, and now it's localhost, set it to None.
rackcontroller.url = ''
update_fields.append("url")
elif not is_loopback and rackcontroller.url != url.geturl():
# There is a non-loopback URL, and it's different than what the
# database has. Change it.
rackcontroller.url = url.geturl()
update_fields.append("url")
# else:
# The URL is already the correct value, no need to change anything.
if rackcontroller.owner is None:
rackcontroller.owner = worker_user.get_worker_user()
update_fields.append("owner")
rackcontroller.save(update_fields=update_fields)
# Update interfaces, if requested.
rackcontroller.update_interfaces(interfaces, create_fabrics=create_fabrics)
return rackcontroller