def update_network_state(network):
"""Update the state of a Network based on BackendNetwork states.
Update the state of a Network based on the operstate of the networks in the
backends that network exists.
The state of the network is:
* ACTIVE: If it is 'ACTIVE' in at least one backend.
* DELETED: If it is is 'DELETED' in all backends that have been created.
This function also releases the resources (MAC prefix or Bridge) and the
quotas for the network.
"""
if network.deleted:
# Network has already been deleted. Just assert that state is also
# DELETED
if not network.state == "DELETED":
network.state = "DELETED"
network.save()
return
backend_states = [s.operstate for s in network.backend_networks.all()]
if not backend_states and network.action != "DESTROY":
if network.state != "ACTIVE":
network.state = "ACTIVE"
network.save()
return
# Network is deleted when all BackendNetworks go to "DELETED" operstate
deleted = reduce(lambda x, y: x == y and "DELETED", backend_states,
"DELETED")
# Release the resources on the deletion of the Network
if deleted:
log.info("Network %r deleted. Releasing link %r mac_prefix %r",
network.id, network.mac_prefix, network.link)
network.deleted = True
network.state = "DELETED"
if network.mac_prefix:
if network.FLAVORS[network.flavor]["mac_prefix"] == "pool":
release_resource(res_type="mac_prefix",
value=network.mac_prefix)
if network.link:
if network.FLAVORS[network.flavor]["link"] == "pool":
release_resource(res_type="bridge", value=network.link)
# Issue commission
if network.userid:
quotas.issue_and_accept_commission(network, delete=True)
# the above has already saved the object and committed;
# a second save would override others' changes, since the
# object is now unlocked
return
elif not network.public:
log.warning("Network %s does not have an owner!", network.id)
network.save()
def update_network_state(network):
"""Update the state of a Network based on BackendNetwork states.
Update the state of a Network based on the operstate of the networks in the
backends that network exists.
The state of the network is:
* ACTIVE: If it is 'ACTIVE' in at least one backend.
* DELETED: If it is is 'DELETED' in all backends that have been created.
This function also releases the resources (MAC prefix or Bridge) and the
quotas for the network.
"""
if network.deleted:
# Network has already been deleted. Just assert that state is also
# DELETED
if not network.state == "DELETED":
network.state = "DELETED"
network.save()
return
backend_states = [s.operstate for s in network.backend_networks.all()]
if not backend_states and network.action != "DESTROY":
if network.state != "ACTIVE":
network.state = "ACTIVE"
network.save()
return
# Network is deleted when all BackendNetworks go to "DELETED" operstate
deleted = reduce(lambda x, y: x == y and "DELETED", backend_states,
"DELETED")
# Release the resources on the deletion of the Network
if deleted:
log.info("Network %r deleted. Releasing link %r mac_prefix %r",
network.id, network.mac_prefix, network.link)
network.deleted = True
network.state = "DELETED"
if network.mac_prefix:
if network.FLAVORS[network.flavor]["mac_prefix"] == "pool":
release_resource(res_type="mac_prefix",
value=network.mac_prefix)
if network.link:
if network.FLAVORS[network.flavor]["link"] == "pool":
release_resource(res_type="bridge", value=network.link)
# Issue commission
if network.userid:
quotas.issue_and_accept_commission(network, delete=True)
elif not network.public:
log.warning("Network %s does not have an owner!", network.id)
network.save()
def update_network_state(network):
"""Update the state of a Network based on BackendNetwork states.
Update the state of a Network based on the operstate of the networks in the
backends that network exists.
The state of the network is:
* ACTIVE: If it is 'ACTIVE' in at least one backend.
* DELETED: If it is is 'DELETED' in all backends that have been created.
This function also releases the resources (MAC prefix or Bridge) and the
quotas for the network.
"""
if network.deleted:
# Network has already been deleted. Just assert that state is also
# DELETED
if not network.state == "DELETED":
network.state = "DELETED"
network.save()
return
backend_states = [s.operstate for s in network.backend_networks.all()]
if not backend_states and network.action != "DESTROY":
if network.state != "ACTIVE":
network.state = "ACTIVE"
network.save()
return
# Network is deleted when all BackendNetworks go to "DELETED" operstate
deleted = reduce(lambda x, y: x == y and "DELETED", backend_states,
"DELETED")
# Release the resources on the deletion of the Network
if deleted:
if network.ips.filter(deleted=False, floating_ip=True).exists():
msg = "Cannot delete network %s! Floating IPs still in use!"
log.error(msg % network)
raise Exception(msg % network)
log.info("Network %r deleted. Releasing link %r mac_prefix %r",
network.id, network.mac_prefix, network.link)
network.deleted = True
network.state = "DELETED"
# Undrain the network, otherwise the network state will remain
# as 'SNF:DRAINED'
network.drained = False
if network.mac_prefix:
if network.FLAVORS[network.flavor]["mac_prefix"] == "pool":
release_resource(res_type="mac_prefix",
value=network.mac_prefix)
if network.link:
if network.FLAVORS[network.flavor]["link"] == "pool":
release_resource(res_type="bridge", value=network.link)
# Set all subnets as deleted
network.subnets.update(deleted=True)
# And delete the IP pools
for subnet in network.subnets.all():
if subnet.ipversion == 4:
subnet.ip_pools.all().delete()
# And all the backend networks since there are useless
network.backend_networks.all().delete()
# Issue commission
if network.userid:
quotas.issue_and_accept_commission(network, action="DESTROY")
# the above has already saved the object and committed;
# a second save would override others' changes, since the
# object is now unlocked
return
elif not network.public:
log.warning("Network %s does not have an owner!", network.id)
network.save()
def update_network_state(network):
"""Update the state of a Network based on BackendNetwork states.
Update the state of a Network based on the operstate of the networks in the
backends that network exists.
The state of the network is:
* ACTIVE: If it is 'ACTIVE' in at least one backend.
* DELETED: If it is is 'DELETED' in all backends that have been created.
This function also releases the resources (MAC prefix or Bridge) and the
quotas for the network.
"""
if network.deleted:
# Network has already been deleted. Just assert that state is also
# DELETED
if not network.state == "DELETED":
network.state = "DELETED"
network.save()
return
backend_states = [s.operstate for s in network.backend_networks.all()]
if not backend_states and network.action != "DESTROY":
if network.state != "ACTIVE":
network.state = "ACTIVE"
network.save()
return
# Network is deleted when all BackendNetworks go to "DELETED" operstate
deleted = reduce(lambda x, y: x == y and "DELETED", backend_states,
"DELETED")
# Release the resources on the deletion of the Network
if deleted:
if network.ips.filter(deleted=False, floating_ip=True).exists():
msg = "Cannot delete network %s! Floating IPs still in use!"
log.error(msg % network)
raise Exception(msg % network)
log.info("Network %r deleted. Releasing link %r mac_prefix %r",
network.id, network.mac_prefix, network.link)
network.deleted = True
network.state = "DELETED"
# Undrain the network, otherwise the network state will remain
# as 'SNF:DRAINED'
network.drained = False
if network.mac_prefix:
if network.FLAVORS[network.flavor]["mac_prefix"] == "pool":
release_resource(res_type="mac_prefix",
value=network.mac_prefix)
if network.link:
if network.FLAVORS[network.flavor]["link"] == "pool":
release_resource(res_type="bridge", value=network.link)
# Set all subnets as deleted
network.subnets.update(deleted=True)
# And delete the IP pools
for subnet in network.subnets.all():
if subnet.ipversion == 4:
subnet.ip_pools.all().delete()
# And all the backend networks since there are useless
network.backend_networks.all().delete()
# Issue commission
if network.userid:
quotas.issue_and_accept_commission(network, action="DESTROY")
# the above has already saved the object and committed;
# a second save would override others' changes, since the
# object is now unlocked
return
elif not network.public:
log.warning("Network %s does not have an owner!", network.id)
network.save()
