def get_networks(context, filters=None, fields=None):
"""Retrieve a list of networks.
The contents of the list depends on the identity of the user
making the request (as indicated by the context) as well as any
filters.
: param context: neutron api request context
: param filters: a dictionary with keys that are valid keys for
a network as listed in the RESOURCE_ATTRIBUTE_MAP object
in neutron/api/v2/attributes.py. Values in this dictiontary
are an iterable containing values that will be used for an exact
match comparison for that value. Each result returned by this
function will have matched one of the values for each key in
filters.
: param fields: a list of strings that are valid keys in a
network dictionary as listed in the RESOURCE_ATTRIBUTE_MAP
object in neutron/api/v2/attributes.py. Only these fields
will be returned.
"""
LOG.info("get_networks for tenant %s with filters %s, fields %s" %
(context.tenant_id, filters, fields))
filters = filters or {}
nets = db_api.network_find(context, join_subnets=True, **filters) or []
nets = [v._make_network_dict(net, fields=fields) for net in nets]
return nets
def create_network(context, network):
"""Create a network.
Create a network which represents an L2 network segment which
can have a set of subnets and ports associated with it.
: param context: neutron api request context
: param network: dictionary describing the network, with keys
as listed in the RESOURCE_ATTRIBUTE_MAP object in
neutron/api/v2/attributes.py. All keys will be populated.
"""
LOG.info("create_network for tenant %s" % context.tenant_id)
# Generate a uuid that we're going to hand to the backend and db
net_uuid = uuidutils.generate_uuid()
#TODO(mdietz) this will be the first component registry hook, but
# lets make it work first
pnet_type, phys_net, seg_id = _adapt_provider_nets(context, network)
net_attrs = network["network"]
# NOTE(mdietz) I think ideally we would create the providernet
# elsewhere as a separate driver step that could be
# kept in a plugin and completely removed if desired. We could
# have a pre-callback/observer on the netdriver create_network
# that gathers any additional parameters from the network dict
net_driver.create_network(context, net_attrs["name"], network_id=net_uuid,
phys_type=pnet_type, phys_net=phys_net,
segment_id=seg_id)
subs = net_attrs.pop("subnets", [])
net_attrs["id"] = net_uuid
net_attrs["tenant_id"] = context.tenant_id
new_net = db_api.network_create(context, **net_attrs)
new_subnets = []
for sub in subs:
sub["subnet"]["network_id"] = new_net["id"]
sub["subnet"]["tenant_id"] = context.tenant_id
s = db_api.subnet_create(context, **sub["subnet"])
new_subnets.append(s)
new_net["subnets"] = new_subnets
if not security_groups.get_security_groups(
context,
filters={"id": security_groups.DEFAULT_SG_UUID}):
security_groups._create_default_security_group(context)
return v._make_network_dict(new_net)
def _diag_network(context, network, fields):
if not network:
return False
net_driver = registry.DRIVER_REGISTRY.get_driver(network["network_plugin"])
net = v._make_network_dict(network)
net['ports'] = [p.get('id') for p in network.get('ports', [])]
if 'subnets' in fields:
net['subnets'] = [subnets.diagnose_subnet(context, s, fields)
for s in network.get('subnets', [])]
if 'ports' in fields:
net['ports'] = [ports.diagnose_port(context, s, fields)
for s in net['ports']]
if 'config' in fields or 'status' in fields:
net.update(net_driver.diag_network(
context, net['id'], get_status='status' in fields))
return net
def update_network(context, id, network):
"""Update values of a network.
: param context: neutron api request context
: param id: UUID representing the network to update.
: param network: dictionary with keys indicating fields to update.
valid keys are those that have a value of True for 'allow_put'
as listed in the RESOURCE_ATTRIBUTE_MAP object in
neutron/api/v2/attributes.py.
"""
LOG.info("update_network %s for tenant %s" % (id, context.tenant_id))
net = db_api.network_find(context, id=id, scope=db_api.ONE)
if not net:
raise exceptions.NetworkNotFound(net_id=id)
net = db_api.network_update(context, net, **network["network"])
return v._make_network_dict(net)
def create_network(context, network):
"""Create a network.
Create a network which represents an L2 network segment which
can have a set of subnets and ports associated with it.
: param context: neutron api request context
: param network: dictionary describing the network, with keys
as listed in the RESOURCE_ATTRIBUTE_MAP object in
neutron/api/v2/attributes.py. All keys will be populated.
"""
LOG.info("create_network for tenant %s" % context.tenant_id)
# Generate a uuid that we're going to hand to the backend and db
net_uuid = uuidutils.generate_uuid()
# TODO(mdietz) this will be the first component registry hook, but
# lets make it work first
pnet_type, phys_net, seg_id = _adapt_provider_nets(context, network)
net_attrs = network["network"]
# NOTE(mdietz) I think ideally we would create the providernet
# elsewhere as a separate driver step that could be
# kept in a plugin and completely removed if desired. We could
# have a pre-callback/observer on the netdriver create_network
# that gathers any additional parameters from the network dict
net_driver.create_network(
context, net_attrs["name"], network_id=net_uuid, phys_type=pnet_type, phys_net=phys_net, segment_id=seg_id
)
subs = net_attrs.pop("subnets", [])
net_attrs["id"] = net_uuid
net_attrs["tenant_id"] = context.tenant_id
new_net = db_api.network_create(context, **net_attrs)
new_subnets = []
for sub in subs:
sub["subnet"]["network_id"] = new_net["id"]
sub["subnet"]["tenant_id"] = context.tenant_id
s = db_api.subnet_create(context, **sub["subnet"])
new_subnets.append(s)
new_net["subnets"] = new_subnets
if not security_groups.get_security_groups(context, filters={"id": security_groups.DEFAULT_SG_UUID}):
security_groups._create_default_security_group(context)
return v._make_network_dict(new_net)
def get_network(context, id, fields=None):
"""Retrieve a network.
: param context: neutron api request context
: param id: UUID representing the network to fetch.
: param fields: a list of strings that are valid keys in a
network dictionary as listed in the RESOURCE_ATTRIBUTE_MAP
object in neutron/api/v2/attributes.py. Only these fields
will be returned.
"""
LOG.info("get_network %s for tenant %s fields %s" % (id, context.tenant_id, fields))
network = db_api.network_find(context, id=id, scope=db_api.ONE)
if not network:
raise exceptions.NetworkNotFound(net_id=id)
return v._make_network_dict(network)
def get_network(context, id, fields=None):
"""Retrieve a network.
: param context: neutron api request context
: param id: UUID representing the network to fetch.
: param fields: a list of strings that are valid keys in a
network dictionary as listed in the RESOURCE_ATTRIBUTE_MAP
object in neutron/api/v2/attributes.py. Only these fields
will be returned.
"""
LOG.info("get_network %s for tenant %s fields %s" %
(id, context.tenant_id, fields))
network = db_api.network_find(context, id=id, scope=db_api.ONE)
if not network:
raise exceptions.NetworkNotFound(net_id=id)
return v._make_network_dict(network)
def update_network(context, id, network):
"""Update values of a network.
: param context: neutron api request context
: param id: UUID representing the network to update.
: param network: dictionary with keys indicating fields to update.
valid keys are those that have a value of True for 'allow_put'
as listed in the RESOURCE_ATTRIBUTE_MAP object in
neutron/api/v2/attributes.py.
"""
LOG.info("update_network %s for tenant %s" %
(id, context.tenant_id))
net = db_api.network_find(context, id=id, scope=db_api.ONE)
if not net:
raise exceptions.NetworkNotFound(net_id=id)
net = db_api.network_update(context, net, **network["network"])
return v._make_network_dict(net)
def _diag_network(context, network, fields):
if not network:
return False
net_driver = registry.DRIVER_REGISTRY.get_driver(network["network_plugin"])
net = v._make_network_dict(network)
net['ports'] = [p.get('id') for p in network.get('ports', [])]
if 'subnets' in fields:
net['subnets'] = [
subnets.diagnose_subnet(context, s, fields)
for s in network.get('subnets', [])
]
if 'ports' in fields:
net['ports'] = [
ports.diagnose_port(context, s, fields) for s in net['ports']
]
if 'config' in fields or 'status' in fields:
net.update(
net_driver.diag_network(context,
net['id'],
get_status='status' in fields))
return net
def update_network(context, id, network):
"""Update values of a network.
: param context: neutron api request context
: param id: UUID representing the network to update.
: param network: dictionary with keys indicating fields to update.
valid keys are those that have a value of True for 'allow_put'
as listed in the RESOURCE_ATTRIBUTE_MAP object in
neutron/api/v2/attributes.py.
"""
LOG.info("update_network %s for tenant %s" % (id, context.tenant_id))
with context.session.begin():
net = db_api.network_find(context, id=id, scope=db_api.ONE)
if not net:
raise n_exc.NetworkNotFound(net_id=id)
net_dict = network["network"]
utils.pop_param(net_dict, "network_plugin")
if not context.is_admin and "ipam_strategy" in net_dict:
utils.pop_param(net_dict, "ipam_strategy")
net = db_api.network_update(context, net, **net_dict)
return v._make_network_dict(net)
def update_network(context, id, network):
"""Update values of a network.
: param context: neutron api request context
: param id: UUID representing the network to update.
: param network: dictionary with keys indicating fields to update.
valid keys are those that have a value of True for 'allow_put'
as listed in the RESOURCE_ATTRIBUTE_MAP object in
neutron/api/v2/attributes.py.
"""
LOG.info("update_network %s for tenant %s" %
(id, context.tenant_id))
with context.session.begin():
net = db_api.network_find(context, id=id, scope=db_api.ONE)
if not net:
raise n_exc.NetworkNotFound(net_id=id)
net_dict = network["network"]
utils.pop_param(net_dict, "network_plugin")
if not context.is_admin and "ipam_strategy" in net_dict:
utils.pop_param(net_dict, "ipam_strategy")
net = db_api.network_update(context, net, **net_dict)
return v._make_network_dict(net)
def get_networks(context, filters=None, fields=None):
"""Retrieve a list of networks.
The contents of the list depends on the identity of the user
making the request (as indicated by the context) as well as any
filters.
: param context: neutron api request context
: param filters: a dictionary with keys that are valid keys for
a network as listed in the RESOURCE_ATTRIBUTE_MAP object
in neutron/api/v2/attributes.py. Values in this dictiontary
are an iterable containing values that will be used for an exact
match comparison for that value. Each result returned by this
function will have matched one of the values for each key in
filters.
: param fields: a list of strings that are valid keys in a
network dictionary as listed in the RESOURCE_ATTRIBUTE_MAP
object in neutron/api/v2/attributes.py. Only these fields
will be returned.
"""
LOG.info("get_networks for tenant %s with filters %s, fields %s" %
(context.tenant_id, filters, fields))
nets = db_api.network_find(context, **filters)
return [v._make_network_dict(net) for net in nets]
def create_network(context, network):
"""Create a network.
Create a network which represents an L2 network segment which
can have a set of subnets and ports associated with it.
: param context: neutron api request context
: param network: dictionary describing the network, with keys
as listed in the RESOURCE_ATTRIBUTE_MAP object in
neutron/api/v2/attributes.py. All keys will be populated.
"""
LOG.info("create_network for tenant %s" % context.tenant_id)
with context.session.begin():
net_attrs = network["network"]
subs = net_attrs.pop("subnets", [])
# Enforce subnet quotas
if not context.is_admin:
if len(subs) > 0:
v4_count, v6_count = 0, 0
for s in subs:
version = netaddr.IPNetwork(s['subnet']['cidr']).version
if version == 6:
v6_count += 1
else:
v4_count += 1
if v4_count > 0:
tenant_q_v4 = context.session.query(qdb.Quota).filter_by(
tenant_id=context.tenant_id,
resource='v4_subnets_per_network').first()
if tenant_q_v4 != -1:
quota.QUOTAS.limit_check(
context,
context.tenant_id,
v4_subnets_per_network=v4_count)
if v6_count > 0:
tenant_q_v6 = context.session.query(qdb.Quota).filter_by(
tenant_id=context.tenant_id,
resource='v6_subnets_per_network').first()
if tenant_q_v6 != -1:
quota.QUOTAS.limit_check(
context,
context.tenant_id,
v6_subnets_per_network=v6_count)
# Generate a uuid that we're going to hand to the backend and db
net_uuid = utils.pop_param(net_attrs, "id", None)
net_type = None
if net_uuid and context.is_admin:
net = db_api.network_find(context, id=net_uuid, scope=db_api.ONE)
net_type = utils.pop_param(net_attrs, "network_plugin", None)
if net:
raise q_exc.NetworkAlreadyExists(id=net_uuid)
else:
net_uuid = uuidutils.generate_uuid()
# TODO(mdietz) this will be the first component registry hook, but
# lets make it work first
pnet_type, phys_net, seg_id = _adapt_provider_nets(context, network)
ipam_strategy = utils.pop_param(net_attrs, "ipam_strategy", None)
if not ipam_strategy or not context.is_admin:
ipam_strategy = CONF.QUARK.default_ipam_strategy
if not ipam.IPAM_REGISTRY.is_valid_strategy(ipam_strategy):
raise q_exc.InvalidIpamStrategy(strat=ipam_strategy)
net_attrs["ipam_strategy"] = ipam_strategy
# NOTE(mdietz) I think ideally we would create the providernet
# elsewhere as a separate driver step that could be
# kept in a plugin and completely removed if desired. We could
# have a pre-callback/observer on the netdriver create_network
# that gathers any additional parameters from the network dict
default_net_type = net_type or CONF.QUARK.default_network_type
net_driver = registry.DRIVER_REGISTRY.get_driver(default_net_type)
net_driver.create_network(context, net_attrs["name"],
network_id=net_uuid, phys_type=pnet_type,
phys_net=phys_net, segment_id=seg_id)
net_attrs["id"] = net_uuid
net_attrs["tenant_id"] = context.tenant_id
net_attrs["network_plugin"] = default_net_type
new_net = db_api.network_create(context, **net_attrs)
new_subnets = []
for sub in subs:
sub["subnet"]["network_id"] = new_net["id"]
sub["subnet"]["tenant_id"] = context.tenant_id
s = db_api.subnet_create(context, **sub["subnet"])
new_subnets.append(s)
new_net["subnets"] = new_subnets
# if not security_groups.get_security_groups(
# context,
# filters={"id": security_groups.DEFAULT_SG_UUID}):
# security_groups._create_default_security_group(context)
return v._make_network_dict(new_net)
def create_network(context, network):
"""Create a network.
Create a network which represents an L2 network segment which
can have a set of subnets and ports associated with it.
: param context: neutron api request context
: param network: dictionary describing the network, with keys
as listed in the RESOURCE_ATTRIBUTE_MAP object in
neutron/api/v2/attributes.py. All keys will be populated.
"""
LOG.info("create_network for tenant %s" % context.tenant_id)
with context.session.begin():
net_attrs = network["network"]
subs = net_attrs.pop("subnets", [])
# Enforce subnet quotas
if not context.is_admin:
if len(subs) > 0:
v4_count, v6_count = 0, 0
for s in subs:
version = netaddr.IPNetwork(s['subnet']['cidr']).version
if version == 6:
v6_count += 1
else:
v4_count += 1
if v4_count > 0:
tenant_q_v4 = context.session.query(qdv.Quota).filter_by(
tenant_id=context.tenant_id,
resource='v4_subnets_per_network').first()
if tenant_q_v4 != -1:
quota.QUOTAS.limit_check(
context,
context.tenant_id,
v4_subnets_per_network=v4_count)
if v6_count > 0:
tenant_q_v6 = context.session.query(qdv.Quota).filter_by(
tenant_id=context.tenant_id,
resource='v6_subnets_per_network').first()
if tenant_q_v6 != -1:
quota.QUOTAS.limit_check(
context,
context.tenant_id,
v6_subnets_per_network=v6_count)
# Generate a uuid that we're going to hand to the backend and db
net_uuid = utils.pop_param(net_attrs, "id", None)
net_type = None
if net_uuid and context.is_admin:
net = db_api.network_find(context=context,
limit=None,
sorts=['id'],
marker=None,
page_reverse=False,
id=net_uuid,
scope=db_api.ONE)
net_type = utils.pop_param(net_attrs, "network_plugin", None)
if net:
raise q_exc.NetworkAlreadyExists(id=net_uuid)
else:
net_uuid = uuidutils.generate_uuid()
# TODO(mdietz) this will be the first component registry hook, but
# lets make it work first
pnet_type, phys_net, seg_id = _adapt_provider_nets(context, network)
ipam_strategy = utils.pop_param(net_attrs, "ipam_strategy", None)
if not ipam_strategy or not context.is_admin:
ipam_strategy = CONF.QUARK.default_ipam_strategy
if not ipam.IPAM_REGISTRY.is_valid_strategy(ipam_strategy):
raise q_exc.InvalidIpamStrategy(strat=ipam_strategy)
net_attrs["ipam_strategy"] = ipam_strategy
# NOTE(mdietz) I think ideally we would create the providernet
# elsewhere as a separate driver step that could be
# kept in a plugin and completely removed if desired. We could
# have a pre-callback/observer on the netdriver create_network
# that gathers any additional parameters from the network dict
default_net_type = net_type or CONF.QUARK.default_network_type
net_driver = registry.DRIVER_REGISTRY.get_driver(default_net_type)
net_driver.create_network(context,
net_attrs["name"],
network_id=net_uuid,
phys_type=pnet_type,
phys_net=phys_net,
segment_id=seg_id)
net_attrs["id"] = net_uuid
net_attrs["tenant_id"] = context.tenant_id
net_attrs["network_plugin"] = default_net_type
new_net = db_api.network_create(context, **net_attrs)
new_subnets = []
for sub in subs:
sub["subnet"]["network_id"] = new_net["id"]
sub["subnet"]["tenant_id"] = context.tenant_id
s = db_api.subnet_create(context, **sub["subnet"])
new_subnets.append(s)
new_net["subnets"] = new_subnets
# if not security_groups.get_security_groups(
# context,
# filters={"id": security_groups.DEFAULT_SG_UUID}):
# security_groups._create_default_security_group(context)
return v._make_network_dict(new_net)
