def sync_pods(self, pods):
expected_logical_ports = set()
pods = pods.get('items', [])
for pod in pods:
pod_name = pod['metadata']['name']
namespace = pod['metadata']['namespace']
logical_port = "%s_%s" % (namespace, pod_name)
expected_logical_ports.add(logical_port)
try:
existing_logical_ports = ovn_nbctl(
"--data=bare", "--no-heading",
"--columns=name", "find",
"logical_switch_port",
"external_id:pod=true").split()
existing_logical_ports = set(existing_logical_ports)
except Exception as e:
vlog.err("sync_pods: find failed %s" % (str(e)))
return
for logical_port in existing_logical_ports - expected_logical_ports:
try:
ovn_nbctl("--if-exists", "lsp-del", logical_port)
except Exception as e:
vlog.err("sync_pods: failed to delete logical_port %s"
% (logical_port))
continue
vlog.info("sync_pods: Deleted logical port %s"
% (logical_port))
def _create_load_balancer_vip(self, load_balancer, service_ip, ips, port,
target_port, protocol):
# With service_ip:port as a VIP, create an entry in 'load_balancer'
vlog.dbg(
"received event to create/modify load_balancer (%s) vip "
"service_ip=%s, ips=%s, port=%s, target_port=%s, protocol=%s" %
(load_balancer, service_ip, ips, port, target_port, protocol))
if not port or not target_port or not protocol or not load_balancer:
return
# key is of the form "IP:port" (with quotes around)
key = "\"" + service_ip + ":" + str(port) + "\""
if not ips:
try:
ovn_nbctl("remove", "load_balancer", load_balancer, "vips",
key)
except Exception as e:
vlog.err("_create_load_balancer_vip remove: (%s)" % (str(e)))
return
# target is of the form "IP1:port, IP2:port, IP3:port"
target_endpoints = ",".join(
["%s:%s" % (ip, target_port) for ip in ips])
target = "\"" + target_endpoints + "\""
try:
ovn_nbctl("set", "load_balancer", load_balancer,
"vips:" + key + "=" + target)
except Exception as e:
vlog.err("_create_load_balancer_vip add: (%s)" % (str(e)))
def sync_pods(self, pods):
expected_logical_ports = set()
pods = pods.get('items', [])
for pod in pods:
pod_name = pod['metadata']['name']
namespace = pod['metadata']['namespace']
logical_port = "%s_%s" % (namespace, pod_name)
expected_logical_ports.add(logical_port)
try:
existing_logical_ports = ovn_nbctl("--data=bare", "--no-heading",
"--columns=name", "find",
"logical_switch_port",
"external_id:pod=true").split()
existing_logical_ports = set(existing_logical_ports)
except Exception as e:
vlog.err("sync_pods: find failed %s" % (str(e)))
return
for logical_port in existing_logical_ports - expected_logical_ports:
try:
ovn_nbctl("--if-exists", "lsp-del", logical_port)
except Exception as e:
vlog.err("sync_pods: failed to delete logical_port %s" %
(logical_port))
continue
vlog.info("sync_pods: Deleted logical port %s" % (logical_port))
def sync_pods(self, pods):
expected_logical_ports = set()
pods = pods.get('items', [])
for pod in pods:
pod_name = pod['metadata']['name']
namespace = pod['metadata']['namespace']
logical_port = "%s_%s" % (namespace, pod_name)
annotations = pod['metadata']['annotations']
expected_logical_ports.add(logical_port)
# We should sync the container port names as there are no
# guarantees that a endpoint creation event will become after
# all the pods creation events.
ip_address = self._get_ip_address_from_annotations(annotations)
if ip_address:
self._add_k8s_l4_port_name_cache(pod, ip_address)
try:
existing_logical_ports = ovn_nbctl(
"--data=bare", "--no-heading", "--columns=name", "find",
"logical_switch_port", "external-ids:pod=true").split()
existing_logical_ports = set(existing_logical_ports)
except Exception as e:
vlog.err("sync_pods: find failed %s" % (str(e)))
return
for logical_port in existing_logical_ports - expected_logical_ports:
try:
ovn_nbctl("--if-exists", "lsp-del", logical_port)
except Exception as e:
vlog.err("sync_pods: failed to delete logical_port %s" %
(logical_port))
continue
vlog.info("sync_pods: Deleted logical port %s" % (logical_port))
def _delete_load_balancer_vip(self, load_balancer, vip):
# Remove the 'vip' from the 'load_balancer'.
try:
ovn_nbctl("remove", "load_balancer", load_balancer, "vips", vip)
vlog.info("deleted vip %s from %s" % (vip, load_balancer))
except Exception as e:
vlog.err("_delete_load_balancer_vip: failed to remove vip %s "
" from %s (%s)" % (vip, load_balancer, str(e)))
def _delete_load_balancer_vip(self, load_balancer, vip):
# Remove the 'vip' from the 'load_balancer'.
try:
ovn_nbctl("remove", "load_balancer", load_balancer, "vips", vip)
vlog.info("deleted vip %s from %s" % (vip, load_balancer))
except Exception as e:
vlog.err("_delete_load_balancer_vip: failed to remove vip %s "
" from %s (%s)" % (vip, load_balancer, str(e)))
def _create_load_balancer_vip(self, namespace, load_balancer, service_ip,
ips, port, target_port, protocol):
# With service_ip:port as a VIP, create an entry in 'load_balancer'
vlog.dbg(
"received event to create/modify load_balancer (%s) vip "
"service_ip=%s, ips=%s, port=%s, target_port=%s, protocol=%s" %
(load_balancer, service_ip, ips, port, target_port, protocol))
if not port or not target_port or not protocol or not load_balancer:
return
# key is of the form "IP:port" (with quotes around)
key = "\"" + service_ip + ":" + str(port) + "\""
if not ips:
try:
ovn_nbctl("remove", "load_balancer", load_balancer, "vips",
key)
except Exception as e:
vlog.err("_create_load_balancer_vip remove: (%s)" % (str(e)))
return
if target_port.isdigit():
# target is of the form "IP1:port, IP2:port, IP3:port"
target_endpoints = ",".join(
["%s:%s" % (ip, target_port) for ip in ips])
else:
# 'target_port' is a string. We should get its number
# from the cache.
if not self.port_name_cache.get(namespace):
vlog.warn("targetPort of %s in ns %s does not have an "
"associated port. Ignoring endpoint creation." %
(target_port, namespace))
return
target_endpoint_list = []
for ip in ips:
if not self.port_name_cache[namespace].get(ip):
continue
num_port = self.port_name_cache[namespace][ip].get(target_port)
if not num_port:
continue
target_endpoint_list.append("%s:%s" % (ip, num_port))
if not target_endpoint_list:
vlog.warn("targetPort of %s in ns %s does not have any "
"associated ports. Ignoring endpoint creation." %
(target_port, namespace))
return
target_endpoints = ",".join(target_endpoint_list)
target = "\"" + target_endpoints + "\""
try:
ovn_nbctl("set", "load_balancer", load_balancer,
"vips:" + key + "=" + target)
except Exception as e:
vlog.err("_create_load_balancer_vip add: (%s)" % (str(e)))
def _create_load_balancer_vip(self, namespace, load_balancer, service_ip,
ips, port, target_port, protocol):
# With service_ip:port as a VIP, create an entry in 'load_balancer'
vlog.dbg("received event to create/modify load_balancer (%s) vip "
"service_ip=%s, ips=%s, port=%s, target_port=%s, protocol=%s"
% (load_balancer, service_ip, ips, port, target_port,
protocol))
if not port or not target_port or not protocol or not load_balancer:
return
# key is of the form "IP:port" (with quotes around)
key = "\"" + service_ip + ":" + str(port) + "\""
if not ips:
try:
ovn_nbctl("remove", "load_balancer", load_balancer,
"vips", key)
except Exception as e:
vlog.err("_create_load_balancer_vip remove: (%s)" % (str(e)))
return
if target_port.isdigit():
# target is of the form "IP1:port, IP2:port, IP3:port"
target_endpoints = ",".join(["%s:%s" % (ip, target_port)
for ip in ips])
else:
# 'target_port' is a string. We should get its number
# from the cache.
if not self.port_name_cache.get(namespace):
vlog.warn("targetPort of %s in ns %s does not have an "
"associated port. Ignoring endpoint creation."
% (target_port, namespace))
return
target_endpoint_list = []
for ip in ips:
if not self.port_name_cache[namespace].get(ip):
continue
num_port = self.port_name_cache[namespace][ip].get(target_port)
if not num_port:
continue
target_endpoint_list.append("%s:%s" % (ip, num_port))
if not target_endpoint_list:
vlog.warn("targetPort of %s in ns %s does not have any "
"associated ports. Ignoring endpoint creation."
% (target_port, namespace))
return
target_endpoints = ",".join(target_endpoint_list)
target = "\"" + target_endpoints + "\""
try:
ovn_nbctl("set", "load_balancer", load_balancer,
"vips:" + key + "=" + target)
except Exception as e:
vlog.err("_create_load_balancer_vip add: (%s)" % (str(e)))
def ovn_init_overlay():
OVN_NB = ovs_vsctl("--if-exists", "get", "Open_vSwitch", ".", "external_ids:ovn-nb").strip('"')
if not OVN_NB:
sys.exit("OVN central database's ip address not set")
variables.OVN_NB = OVN_NB
K8S_API_SERVER = ovs_vsctl("--if-exists", "get", "Open_vSwitch", ".", "external_ids:k8s-api-server").strip('"')
if not K8S_API_SERVER:
sys.exit("K8S_API_SERVER not set")
if not K8S_API_SERVER.startswith("http"):
variables.K8S_API_SERVER = "http://%s" % K8S_API_SERVER
else:
variables.K8S_API_SERVER = K8S_API_SERVER
K8S_CLUSTER_ROUTER = ovn_nbctl(
"--data=bare",
"--no-heading",
"--columns=_uuid",
"find",
"logical_router",
"external_ids:k8s-cluster-router=yes",
)
if not K8S_CLUSTER_ROUTER:
sys.exit("K8S_CLUSTER_ROUTER not set")
variables.K8S_CLUSTER_ROUTER = K8S_CLUSTER_ROUTER
K8S_CLUSTER_LB_TCP = ovn_nbctl(
"--data=bare", "--no-heading", "--columns=_uuid", "find", "load_balancer", "external_ids:k8s-cluster-lb-tcp=yes"
)
if not K8S_CLUSTER_LB_TCP:
sys.exit("K8S_CLUSTER_LB_TCP not set")
variables.K8S_CLUSTER_LB_TCP = K8S_CLUSTER_LB_TCP
K8S_CLUSTER_LB_UDP = ovn_nbctl(
"--data=bare", "--no-heading", "--columns=_uuid", "find", "load_balancer", "external_ids:k8s-cluster-lb-udp=yes"
)
if not K8S_CLUSTER_LB_UDP:
sys.exit("K8S_CLUSTER_LB_UDP not set")
variables.K8S_CLUSTER_LB_UDP = K8S_CLUSTER_LB_UDP
K8S_NS_LB_TCP = ovn_nbctl(
"--data=bare", "--no-heading", "--columns=_uuid", "find", "load_balancer", "external_ids:k8s-ns-lb-tcp=yes"
)
variables.K8S_NS_LB_TCP = K8S_NS_LB_TCP
K8S_NS_LB_UDP = ovn_nbctl(
"--data=bare", "--no-heading", "--columns=_uuid", "find", "load_balancer", "external_ids:k8s-ns-lb-udp=yes"
)
variables.K8S_NS_LB_UDP = K8S_NS_LB_UDP
variables.OVN_MODE = "overlay"
def ovn_init_overlay():
OVN_NB = ovs_vsctl("--if-exists", "get", "Open_vSwitch", ".",
"external_ids:ovn-nb").strip('"')
if not OVN_NB:
sys.exit("OVN central database's ip address not set")
variables.OVN_NB = OVN_NB
K8S_API_SERVER = ovs_vsctl("--if-exists", "get", "Open_vSwitch", ".",
"external_ids:k8s-api-server").strip('"')
if not K8S_API_SERVER:
sys.exit("K8S_API_SERVER not set")
if not K8S_API_SERVER.startswith("http"):
variables.K8S_API_SERVER = "http://%s" % K8S_API_SERVER
else:
variables.K8S_API_SERVER = K8S_API_SERVER
K8S_CLUSTER_ROUTER = ovn_nbctl("--data=bare", "--no-heading",
"--columns=_uuid", "find", "logical_router",
"external_ids:k8s-cluster-router=yes")
if not K8S_CLUSTER_ROUTER:
sys.exit("K8S_CLUSTER_ROUTER not set")
variables.K8S_CLUSTER_ROUTER = K8S_CLUSTER_ROUTER
K8S_CLUSTER_LB_TCP = ovn_nbctl("--data=bare", "--no-heading",
"--columns=_uuid", "find", "load_balancer",
"external_ids:k8s-cluster-lb-tcp=yes")
if not K8S_CLUSTER_LB_TCP:
sys.exit("K8S_CLUSTER_LB_TCP not set")
variables.K8S_CLUSTER_LB_TCP = K8S_CLUSTER_LB_TCP
K8S_CLUSTER_LB_UDP = ovn_nbctl("--data=bare", "--no-heading",
"--columns=_uuid", "find", "load_balancer",
"external_ids:k8s-cluster-lb-udp=yes")
if not K8S_CLUSTER_LB_UDP:
sys.exit("K8S_CLUSTER_LB_UDP not set")
variables.K8S_CLUSTER_LB_UDP = K8S_CLUSTER_LB_UDP
K8S_NS_LB_TCP = ovn_nbctl("--data=bare", "--no-heading",
"--columns=_uuid", "find", "load_balancer",
"external_ids:k8s-ns-lb-tcp=yes")
variables.K8S_NS_LB_TCP = K8S_NS_LB_TCP
K8S_NS_LB_UDP = ovn_nbctl("--data=bare", "--no-heading",
"--columns=_uuid", "find", "load_balancer",
"external_ids:k8s-ns-lb-udp=yes")
variables.K8S_NS_LB_UDP = K8S_NS_LB_UDP
variables.OVN_MODE = "overlay"
def _get_switch_gateway_ip(self, logical_switch):
cached_logical_switch = self.logical_switch_cache.get(logical_switch,
{})
if cached_logical_switch:
gateway_ip_mask = cached_logical_switch.get('gateway_ip_mask')
else:
try:
gateway_ip_mask = ovn_nbctl("--if-exists", "get",
"logical_switch", logical_switch,
"external_ids:gateway_ip"
).strip('"')
except Exception as e:
vlog.err("_get_switch_gateway_ip: failed to get gateway_ip %s"
% (str(e)))
return (None, None)
try:
(gateway_ip, mask) = gateway_ip_mask.split('/')
except Exception as e:
vlog.err("_get_switch_gateway_ip: failed to split ip/mask %s"
% (gateway_ip_mask))
return (None, None)
if not cached_logical_switch:
self.logical_switch_cache[logical_switch] = {'gateway_ip_mask':
gateway_ip_mask}
return (gateway_ip, mask)
def _create_external_vip(self, external_ip, ips, port, target_port,
protocol):
# With external_ip:port as the VIP, create an entry in a gateway
# load-balancer.
# Get the gateway where we can add external_ip:port as a VIP.
physical_gateway = self._get_ovn_external_ip_gateway()
if not physical_gateway:
return
try:
# Get the load-balancer instantiated in the gateway.
external_id_key = protocol + "_lb_gateway_router"
load_balancer = ovn_nbctl(
"--data=bare", "--no-heading", "--columns=_uuid", "find",
"load_balancer", "external_ids:" + external_id_key + "=" +
physical_gateway).strip('"')
except Exception as e:
vlog.err("_create_external_vip: get failed for"
" %s (%s)" % (physical_gateway, str(e)))
return
if not load_balancer:
vlog.warn("physical gateway %s does not have a load_balancer" %
(physical_gateway))
# With external_ip:port as VIP, add an entry in 'load_balancer'.
self._create_load_balancer_vip(load_balancer, external_ip, ips, port,
target_port, protocol)
def _create_external_vip(self, namespace, external_ip, ips,
port, target_port, protocol):
# With external_ip:port as the VIP, create an entry in a gateway
# load-balancer.
# Get the gateway where we can add external_ip:port as a VIP.
physical_gateway = self._get_ovn_external_ip_gateway()
if not physical_gateway:
return
try:
# Get the load-balancer instantiated in the gateway.
external_id_key = protocol + "_lb_gateway_router"
load_balancer = ovn_nbctl("--data=bare", "--no-heading",
"--columns=_uuid", "find",
"load_balancer",
"external_ids:" + external_id_key + "=" +
physical_gateway).strip('"')
except Exception as e:
vlog.err("_create_external_vip: get failed for"
" %s (%s)" % (physical_gateway, str(e)))
return
if not load_balancer:
vlog.warn("physical gateway %s does not have a load_balancer"
% (physical_gateway))
# With external_ip:port as VIP, add an entry in 'load_balancer'.
self._create_load_balancer_vip(namespace, load_balancer, external_ip,
ips, port, target_port, protocol)
def _get_switch_gateway_ip(self, logical_switch):
cached_logical_switch = self.logical_switch_cache.get(
logical_switch, {})
if cached_logical_switch:
gateway_ip_mask = cached_logical_switch.get('gateway_ip_mask')
else:
try:
gateway_ip_mask = ovn_nbctl(
"--if-exists", "get", "logical_switch", logical_switch,
"external_ids:gateway_ip").strip('"')
except Exception as e:
vlog.err(
"_get_switch_gateway_ip: failed to get gateway_ip %s" %
(str(e)))
return (None, None)
try:
(gateway_ip, mask) = gateway_ip_mask.split('/')
except Exception as e:
vlog.err("_get_switch_gateway_ip: failed to split ip/mask %s" %
(gateway_ip_mask))
return (None, None)
if not cached_logical_switch:
self.logical_switch_cache[logical_switch] = {
'gateway_ip_mask': gateway_ip_mask
}
return (gateway_ip, mask)
def _create_gateways_vip(self, namespace, ips, port, target_port,
protocol):
# Each gateway has a separate load-balancer for N/S traffic
physical_gateways = self._get_ovn_gateways()
if not physical_gateways:
return
for physical_gateway in physical_gateways:
# Go through each gateway to get its physical_ip and load-balancer.
try:
physical_ip = ovn_nbctl(
"get", "logical_router", physical_gateway,
"external_ids:physical_ip").strip('"')
except Exception as e:
vlog.err("_create_gateways_vip: get failed for"
" %s (%s)" % (physical_gateway, str(e)))
continue
if not physical_ip:
vlog.warn("physical gateway %s does not have physical ip"
% (physical_ip))
continue
try:
external_id_key = protocol + "_lb_gateway_router"
load_balancer = ovn_nbctl(
"--data=bare", "--no-heading",
"--columns=_uuid", "find", "load_balancer",
"external_ids:" + external_id_key + "=" +
physical_gateway
).strip('"')
except Exception as e:
vlog.err("_create_gateways_vip: find failed for"
" %s (%s)" % (physical_gateway, str(e)))
continue
if not load_balancer:
vlog.warn("physical gateway %s does not have load_balancer"
% (physical_gateway))
continue
# With the physical_ip:port as the VIP, add an entry in
# 'load_balancer'.
self._create_load_balancer_vip(namespace, load_balancer,
physical_ip, ips,
port, target_port, protocol)
def _create_gateways_vip(self, namespace, ips, port, target_port,
protocol):
# Each gateway has a separate load-balancer for N/S traffic
physical_gateways = self._get_ovn_gateways()
if not physical_gateways:
return
for physical_gateway in physical_gateways:
# Go through each gateway to get its physical_ip and load-balancer.
try:
physical_ip = ovn_nbctl(
"get", "logical_router", physical_gateway,
"external_ids:physical_ip").strip('"')
except Exception as e:
vlog.err("_create_gateways_vip: get failed for"
" %s (%s)" % (physical_gateway, str(e)))
continue
if not physical_ip:
vlog.warn("physical gateway %s does not have physical ip"
% (physical_ip))
continue
try:
external_id_key = protocol + "_lb_gateway_router"
load_balancer = ovn_nbctl(
"--data=bare", "--no-heading",
"--columns=_uuid", "find", "load_balancer",
"external_ids:" + external_id_key + "=" +
physical_gateway
).strip('"')
except Exception as e:
vlog.err("_create_gateways_vip: find failed for"
" %s (%s)" % (physical_gateway, str(e)))
continue
if not load_balancer:
vlog.warn("physical gateway %s does not have load_balancer"
% (physical_gateway))
continue
# With the physical_ip:port as the VIP, add an entry in
# 'load_balancer'.
self._create_load_balancer_vip(namespace, load_balancer,
physical_ip, ips,
port, target_port, protocol)
def delete_logical_port(self, event):
data = event.metadata
pod_name = data['metadata']['name']
namespace = data['metadata']['namespace']
logical_port = "%s_%s" % (namespace, pod_name)
if not pod_name:
vlog.err("absent pod name in pod %s. "
"unable to delete logical port" % data)
return
try:
ovn_nbctl("--if-exists", "lsp-del", logical_port)
except Exception:
vlog.exception("failure in delete_logical_port: lsp-del")
return
vlog.info("deleted logical port %s" % logical_port)
def delete_logical_port(self, event):
data = event.metadata
pod_name = data['metadata']['name']
namespace = data['metadata']['namespace']
logical_port = "%s_%s" % (namespace, pod_name)
if not logical_port:
vlog.err("absent pod name in pod %s. "
"Not creating logical port" % (data))
return
try:
ovn_nbctl("--if-exists", "lsp-del", logical_port)
except Exception as e:
vlog.err("_delete_logical_port: lsp-add (%s)" % (str(e)))
return
vlog.dbg("deleted logical port %s" % (logical_port))
def delete_logical_port(self, event):
data = event.metadata
pod_name = data['metadata']['name']
namespace = data['metadata']['namespace']
logical_port = "%s_%s" % (namespace, pod_name)
if not pod_name:
vlog.err("absent pod name in pod %s. "
"unable to delete logical port" % data)
return
try:
ovn_nbctl("--if-exists", "lsp-del", logical_port)
except Exception:
vlog.exception("failure in delete_logical_port: lsp-del")
return
vlog.info("deleted logical port %s" % logical_port)
def _create_load_balancer_vip(self, service_type, service_ip, ips, port,
target_port, protocol):
vlog.dbg("received event to create load_balancer vip")
if not port or not target_port or not protocol or not service_type:
return
load_balancer = ""
if protocol == "TCP" and service_type == "ClusterIP":
load_balancer = variables.K8S_CLUSTER_LB_TCP
if protocol == "UDP" and service_type == "ClusterIP":
load_balancer = variables.K8S_CLUSTER_LB_UDP
if protocol == "TCP" and service_type == "NodePort":
load_balancer = variables.K8S_NS_LB_TCP
if protocol == "UDP" and service_type == "NodePort":
load_balancer = variables.K8S_NS_LB_UDP
if not load_balancer:
return
# key is of the form "IP:port" (with quotes around)
key = "\"" + service_ip + ":" + str(port) + "\""
if not ips:
try:
ovn_nbctl("remove", "load_balancer", load_balancer, "vips",
key)
except Exception as e:
vlog.err("_create_load_balancer_vip remove: (%s)" % (str(e)))
return
# target is of the form "IP1:port, IP2:port, IP3:port"
target = ""
for ip in ips:
target = target + ip + ":" + str(target_port) + ","
target = target[:-1]
target = "\"" + target + "\""
try:
ovn_nbctl("set", "load_balancer", load_balancer,
"vips:" + key + "=" + target)
except Exception as e:
vlog.err("_create_load_balancer_vip add: (%s)" % (str(e)))
def _get_load_balancer_vips(self, load_balancer):
try:
vips = ovn_nbctl("--data=bare", "--no-heading", "get",
"load_balancer", load_balancer,
"vips").replace('=', ":")
return ast.literal_eval(vips)
except Exception as e:
vlog.err("_get_load_balancer_vips: failed to get vips for %s (%s)"
% (load_balancer, str(e)))
return None
def _create_load_balancer_vip(self, service_type, service_ip, ips, port,
target_port, protocol):
vlog.dbg("received event to create/modify load_balancer vip with "
"service_type=%s, service_ip=%s, ips=%s, port=%s,"
"target_port=%s, protocol=%s"
% (service_type, service_ip, ips, port, target_port,
protocol))
if not port or not target_port or not protocol or not service_type:
return
load_balancer = ""
if protocol == "TCP" and service_type == "ClusterIP":
load_balancer = variables.K8S_CLUSTER_LB_TCP
elif protocol == "UDP" and service_type == "ClusterIP":
load_balancer = variables.K8S_CLUSTER_LB_UDP
elif protocol == "TCP" and service_type == "NodePort":
load_balancer = variables.K8S_NS_LB_TCP
elif protocol == "UDP" and service_type == "NodePort":
load_balancer = variables.K8S_NS_LB_UDP
if not load_balancer:
return
# key is of the form "IP:port" (with quotes around)
key = "\"" + service_ip + ":" + str(port) + "\""
if not ips:
try:
ovn_nbctl("remove", "load_balancer", load_balancer,
"vips", key)
except Exception as e:
vlog.err("_create_load_balancer_vip remove: (%s)" % (str(e)))
return
# target is of the form "IP1:port, IP2:port, IP3:port"
target_endpoints = ",".join(["%s:%s" % (ip, target_port)
for ip in ips])
target = "\"" + target_endpoints + "\""
try:
ovn_nbctl("set", "load_balancer", load_balancer,
"vips:" + key + "=" + target)
except Exception as e:
vlog.err("_create_load_balancer_vip add: (%s)" % (str(e)))
def _get_load_balancer_vips(self, load_balancer):
try:
vips = ovn_nbctl("--data=bare", "--no-heading", "get",
"load_balancer", load_balancer,
"vips").replace('=', ":")
return ast.literal_eval(vips)
except Exception as e:
vlog.err("_get_load_balancer_vips: failed to get vips for %s (%s)"
% (load_balancer, str(e)))
return None
def _get_ovn_gateways(self):
# Return all created gateways.
physical_gateways = []
try:
physical_gateways = ovn_nbctl("--data=bare", "--no-heading",
"--columns=name", "find",
"logical_router",
"options:chassis!=null").split()
except Exception as e:
vlog.err("_get_ovn_gateways: find failed %s" % (str(e)))
return physical_gateways
def delete_logical_port(self, event):
data = event.metadata
pod_name = data['metadata']['name']
namespace = data['metadata']['namespace']
logical_port = "%s_%s" % (namespace, pod_name)
if not pod_name:
vlog.err("absent pod name in pod %s. "
"unable to delete logical port" % data)
return
annotations = data['metadata']['annotations']
ip_address = self._get_ip_address_from_annotations(annotations)
if ip_address:
self._delete_k8s_l4_port_name_cache(data, ip_address)
try:
ovn_nbctl("--if-exists", "lsp-del", logical_port)
except Exception:
vlog.exception("failure in delete_logical_port: lsp-del")
return
vlog.info("deleted logical port %s" % logical_port)
def delete_logical_port(self, event):
data = event.metadata
pod_name = data['metadata']['name']
namespace = data['metadata']['namespace']
logical_port = "%s_%s" % (namespace, pod_name)
if not pod_name:
vlog.err("absent pod name in pod %s. "
"unable to delete logical port" % data)
return
annotations = data['metadata']['annotations']
ip_address = self._get_ip_address_from_annotations(annotations)
if ip_address:
self._delete_k8s_l4_port_name_cache(data, ip_address)
try:
ovn_nbctl("--if-exists", "lsp-del", logical_port)
except Exception:
vlog.exception("failure in delete_logical_port: lsp-del")
return
vlog.info("deleted logical port %s" % logical_port)
def _get_ovn_gateways(self):
# Return all created gateways.
physical_gateways = []
try:
physical_gateways = ovn_nbctl(
"--data=bare", "--no-heading",
"--columns=name", "find",
"logical_router",
"options:chassis!=null").split()
except Exception as e:
vlog.err("_get_ovn_gateways: find failed %s" % (str(e)))
return physical_gateways
def sync_pods(self, pods):
expected_logical_ports = set()
pods = pods.get('items', [])
for pod in pods:
pod_name = pod['metadata']['name']
namespace = pod['metadata']['namespace']
logical_port = "%s_%s" % (namespace, pod_name)
annotations = pod['metadata']['annotations']
expected_logical_ports.add(logical_port)
# We should sync the container port names as there are no
# guarantees that a endpoint creation event will become after
# all the pods creation events.
ip_address = self._get_ip_address_from_annotations(annotations)
if ip_address:
self._add_k8s_l4_port_name_cache(pod, ip_address)
try:
existing_logical_ports = ovn_nbctl(
"--data=bare", "--no-heading",
"--columns=name", "find",
"logical_switch_port",
"external-ids:pod=true").split()
existing_logical_ports = set(existing_logical_ports)
except Exception as e:
vlog.err("sync_pods: find failed %s" % (str(e)))
return
for logical_port in existing_logical_ports - expected_logical_ports:
try:
ovn_nbctl("--if-exists", "lsp-del", logical_port)
except Exception as e:
vlog.err("sync_pods: failed to delete logical_port %s"
% (logical_port))
continue
vlog.info("sync_pods: Deleted logical port %s"
% (logical_port))
def ovn_init_overlay():
if os.path.exists(UNIX_SOCKET):
OVN_NB = "unix:%s" % UNIX_SOCKET
else:
sys.exit("OVN NB database does not have unix socket")
variables.OVN_NB = OVN_NB
K8S_API_SERVER = ovs_vsctl("--if-exists", "get", "Open_vSwitch", ".",
"external_ids:k8s-api-server").strip('"')
if not K8S_API_SERVER:
sys.exit("K8S_API_SERVER not set")
if not K8S_API_SERVER.startswith("http"):
variables.K8S_API_SERVER = "http://%s" % K8S_API_SERVER
else:
variables.K8S_API_SERVER = K8S_API_SERVER
K8S_CLUSTER_ROUTER = ovn_nbctl("--data=bare", "--no-heading",
"--columns=_uuid", "find", "logical_router",
"external_ids:k8s-cluster-router=yes")
if not K8S_CLUSTER_ROUTER:
sys.exit("K8S_CLUSTER_ROUTER not set")
variables.K8S_CLUSTER_ROUTER = K8S_CLUSTER_ROUTER
K8S_CLUSTER_LB_TCP = ovn_nbctl("--data=bare", "--no-heading",
"--columns=_uuid", "find", "load_balancer",
"external_ids:k8s-cluster-lb-tcp=yes")
if not K8S_CLUSTER_LB_TCP:
sys.exit("K8S_CLUSTER_LB_TCP not set")
variables.K8S_CLUSTER_LB_TCP = K8S_CLUSTER_LB_TCP
K8S_CLUSTER_LB_UDP = ovn_nbctl("--data=bare", "--no-heading",
"--columns=_uuid", "find", "load_balancer",
"external_ids:k8s-cluster-lb-udp=yes")
if not K8S_CLUSTER_LB_UDP:
sys.exit("K8S_CLUSTER_LB_UDP not set")
variables.K8S_CLUSTER_LB_UDP = K8S_CLUSTER_LB_UDP
variables.OVN_MODE = "overlay"
def _get_ovn_external_ip_gateway(self):
# XXX: In case of K8S 'external_ips', we can only expose it in one
# gateway to prevent duplicate ARP responses. We currently allocate
# the first gateway to handle all 'external_ips'.
try:
physical_gateway = ovn_nbctl(
"--data=bare", "--no-heading", "--columns=name", "find",
"logical_router", "external_ids:first_gateway=yes").split()
if not physical_gateway:
return None
except Exception as e:
vlog.err("_get_ovn_external_ip_gateway: find failed %s" % (str(e)))
return physical_gateway[0]
def ovn_init_overlay():
if os.path.exists(UNIX_SOCKET):
OVN_NB = "unix:%s" % UNIX_SOCKET
else:
sys.exit("OVN NB database does not have unix socket")
variables.OVN_NB = OVN_NB
K8S_API_SERVER = ovs_vsctl("--if-exists", "get", "Open_vSwitch", ".",
"external_ids:k8s-api-server").strip('"')
if not K8S_API_SERVER:
sys.exit("K8S_API_SERVER not set")
if not K8S_API_SERVER.startswith("http"):
variables.K8S_API_SERVER = "http://%s" % K8S_API_SERVER
else:
variables.K8S_API_SERVER = K8S_API_SERVER
K8S_CLUSTER_ROUTER = ovn_nbctl("--data=bare", "--no-heading",
"--columns=_uuid", "find", "logical_router",
"external_ids:k8s-cluster-router=yes")
if not K8S_CLUSTER_ROUTER:
sys.exit("K8S_CLUSTER_ROUTER not set")
variables.K8S_CLUSTER_ROUTER = K8S_CLUSTER_ROUTER
K8S_CLUSTER_LB_TCP = ovn_nbctl("--data=bare", "--no-heading",
"--columns=_uuid", "find", "load_balancer",
"external_ids:k8s-cluster-lb-tcp=yes")
if not K8S_CLUSTER_LB_TCP:
sys.exit("K8S_CLUSTER_LB_TCP not set")
variables.K8S_CLUSTER_LB_TCP = K8S_CLUSTER_LB_TCP
K8S_CLUSTER_LB_UDP = ovn_nbctl("--data=bare", "--no-heading",
"--columns=_uuid", "find", "load_balancer",
"external_ids:k8s-cluster-lb-udp=yes")
if not K8S_CLUSTER_LB_UDP:
sys.exit("K8S_CLUSTER_LB_UDP not set")
variables.K8S_CLUSTER_LB_UDP = K8S_CLUSTER_LB_UDP
def _get_ovn_external_ip_gateway(self):
# XXX: In case of K8S 'external_ips', we can only expose it in one
# gateway to prevent duplicate ARP responses. We currently allocate
# the first gateway to handle all 'external_ips'.
try:
physical_gateway = ovn_nbctl(
"--data=bare", "--no-heading",
"--columns=name", "find",
"logical_router",
"external_ids:first_gateway=yes").split()
if not physical_gateway:
return None
except Exception as e:
vlog.err("_get_ovn_external_ip_gateway: find failed %s" % (str(e)))
return physical_gateway[0]
def _get_physical_gateway_ips(self):
if self.physical_gateway_ips:
return self.physical_gateway_ips
try:
physical_gateway_ip_networks = ovn_nbctl(
"--data=bare", "--no-heading", "--columns=network", "find",
"logical_router_port",
"external_ids:gateway-physical-ip=yes").split()
except Exception as e:
vlog.err("_populate_gateway_ip: find failed %s" % (str(e)))
for physical_gateway_ip_network in physical_gateway_ip_networks:
(ip, mask) = physical_gateway_ip_network.split('/')
self.physical_gateway_ips.append(ip)
return self.physical_gateway_ips
def _get_physical_gateway_ips(self):
if self.physical_gateway_ips:
return self.physical_gateway_ips
try:
physical_gateway_ip_networks = ovn_nbctl(
"--data=bare", "--no-heading",
"--columns=network", "find",
"logical_router_port",
"external_ids:gateway-physical-ip=yes").split()
except Exception as e:
vlog.err("_populate_gateway_ip: find failed %s" % (str(e)))
for physical_gateway_ip_network in physical_gateway_ip_networks:
ip, _mask = physical_gateway_ip_network.split('/')
self.physical_gateway_ips.append(ip)
return self.physical_gateway_ips
def create_logical_port(self, event):
data = event.metadata
logical_switch = data['spec']['nodeName']
pod_name = data['metadata']['name']
namespace = data['metadata']['namespace']
logical_port = "%s_%s" % (namespace, pod_name)
if not logical_switch or not pod_name:
vlog.err("absent node name or pod name in pod %s. "
"Not creating logical port" % (data))
return
(gateway_ip, mask) = self._get_switch_gateway_ip(logical_switch)
if not gateway_ip or not mask:
vlog.err("_create_logical_port: failed to get gateway_ip")
return
try:
ovn_nbctl("--wait=sb", "--", "--may-exist", "lsp-add",
logical_switch, logical_port, "--", "lsp-set-addresses",
logical_port, "dynamic", "--", "set",
"logical_switch_port", logical_port,
"external-ids:namespace=" + namespace,
"external-ids:pod=true")
except Exception as e:
vlog.err("_create_logical_port: lsp-add (%s)" % (str(e)))
return
try:
ret = ovn_nbctl("get", "logical_switch_port", logical_port,
"dynamic_addresses")
addresses = ast.literal_eval(ret)
except Exception as e:
vlog.err("_create_logical_port: get dynamic_addresses (%s)" %
(str(e)))
if not len(addresses):
vlog.err("_create_logical_port: failed to get dynamic address")
return
(mac_address, ip_address) = addresses.split()
namespace = data['metadata']['namespace']
pod_name = data['metadata']['name']
ip_address_mask = "%s/%s" % (ip_address, mask)
annotation = {
'ip_address': ip_address_mask,
'mac_address': mac_address,
'gateway_ip': gateway_ip
}
try:
kubernetes.set_pod_annotation(variables.K8S_API_SERVER, namespace,
pod_name, "ovn", str(annotation))
except Exception as e:
vlog.err(
"_create_logical_port: failed to annotate addresses (%s)" %
(str(e)))
return
vlog.info("created logical port %s" % (logical_port))
self._add_k8s_l4_port_name_cache(data, ip_address)
def create_logical_port(self, event):
data = event.metadata
logical_switch = data['spec']['nodeName']
pod_name = data['metadata']['name']
namespace = data['metadata']['namespace']
logical_port = "%s_%s" % (namespace, pod_name)
if not logical_switch or not pod_name:
vlog.err("absent node name or pod name in pod %s. "
"Not creating logical port" % (data))
return
(gateway_ip, mask) = self._get_switch_gateway_ip(logical_switch)
if not gateway_ip or not mask:
vlog.err("_create_logical_port: failed to get gateway_ip")
return
try:
ovn_nbctl("--wait=sb", "--", "--may-exist", "lsp-add",
logical_switch, logical_port, "--", "lsp-set-addresses",
logical_port, "dynamic", "--", "set",
"logical_switch_port", logical_port,
"external-ids:namespace=" + namespace,
"external-ids:pod=true")
except Exception as e:
vlog.err("_create_logical_port: lsp-add (%s)" % (str(e)))
return
try:
ret = ovn_nbctl("get", "logical_switch_port", logical_port,
"dynamic_addresses")
addresses = ast.literal_eval(ret)
except Exception as e:
vlog.err("_create_logical_port: get dynamic_addresses (%s)"
% (str(e)))
if not len(addresses):
vlog.err("_create_logical_port: failed to get dynamic address")
return
(mac_address, ip_address) = addresses.split()
namespace = data['metadata']['namespace']
pod_name = data['metadata']['name']
ip_address_mask = "%s/%s" % (ip_address, mask)
annotation = {'ip_address': str(ip_address_mask),
'mac_address': str(mac_address),
'gateway_ip': str(gateway_ip)}
try:
kubernetes.set_pod_annotation(variables.K8S_API_SERVER,
namespace, pod_name,
"ovn", json.dumps(annotation))
except Exception as e:
vlog.err("_create_logical_port: failed to annotate addresses (%s)"
% (str(e)))
return
vlog.info("created logical port %s" % (logical_port))
self._add_k8s_l4_port_name_cache(data, ip_address)
def create_logical_port(self, event):
data = event.metadata
logical_switch = data['spec']['nodeName']
pod_name = data['metadata']['name']
namespace = data['metadata']['namespace']
logical_port = "%s_%s" % (namespace, pod_name)
if not logical_switch or not logical_port:
vlog.err("absent node name or pod name in pod %s. "
"Not creating logical port" % (data))
return
(gateway_ip, mask) = self._get_switch_gateway_ip(logical_switch)
if not gateway_ip or not mask:
vlog.err("_create_logical_port: failed to get gateway_ip")
return
try:
ovn_nbctl("--", "--if-exists", "lsp-del", logical_port, "--",
"lsp-add", logical_switch, logical_port, "--",
"lsp-set-addresses", logical_port, "dynamic")
except Exception as e:
vlog.err("_create_logical_port: lsp-add (%s)" % (str(e)))
return
# We wait for a maximum of 3 seconds to get the dynamic addresses in
# intervals of 0.1 seconds.
addresses = ""
counter = 30
while counter != 0:
try:
ret = ovn_nbctl("get", "logical_switch_port", logical_port,
"dynamic_addresses")
addresses = ast.literal_eval(ret)
if len(addresses):
break
except Exception as e:
vlog.err("_create_logical_port: get dynamic_addresses (%s)" %
(str(e)))
time.sleep(0.1)
counter = counter - 1
if not len(addresses):
vlog.err("_create_logical_port: failed to get addresses after "
"multiple retries.")
return
(mac_address, ip_address) = addresses.split()
namespace = data['metadata']['namespace']
pod_name = data['metadata']['name']
ip_address_mask = "%s/%s" % (ip_address, mask)
annotation = {
'ip_address': ip_address_mask,
'mac_address': mac_address,
'gateway_ip': gateway_ip
}
try:
kubernetes.set_pod_annotation(variables.K8S_API_SERVER, namespace,
pod_name, "ovn", str(annotation))
except Exception as e:
vlog.err(
"_create_logical_port: failed to annotate addresses (%s)" %
(str(e)))
return
vlog.info("created logical port %s" % (logical_port))
def sync_services(self, services):
# For all the services, we will populate the below lists with
# IP:port that act as VIP in the OVN load-balancers.
tcp_nodeport_services = []
udp_nodeport_services = []
tcp_services = []
udp_services = []
services = services.get('items', [])
for service in services:
service_type = service['spec'].get('type')
if service_type != "ClusterIP" and service_type != "NodePort":
continue
service_ip = service['spec'].get('clusterIP')
if not service_ip:
continue
service_ports = service['spec'].get('ports')
if not service_ports:
continue
external_ips = service['spec'].get('externalIPs')
for service_port in service_ports:
if service_type == "NodePort":
port = service_port.get('nodePort')
else:
port = service_port.get('port')
if not port:
continue
protocol = service_port.get('protocol', 'TCP')
if service_type == "NodePort":
physical_gateway_ips = self._get_physical_gateway_ips()
for gateway_ip in physical_gateway_ips:
key = "%s:%s" % (gateway_ip, port)
if protocol == "TCP":
tcp_nodeport_services.append(key)
else:
udp_nodeport_services.append(key)
elif service_type == "ClusterIP":
key = "%s:%s" % (service_ip, port)
if protocol == "TCP":
tcp_services.append(key)
else:
udp_services.append(key)
if external_ips:
for external_ip in external_ips:
key = "%s:%s" % (external_ip, port)
if protocol == "TCP":
tcp_nodeport_services.append(key)
else:
udp_nodeport_services.append(key)
# For each of the OVN load-balancer, if the VIP that exists in
# the load balancer is not seen in current k8s services, we
# delete it.
load_balancers = {variables.K8S_CLUSTER_LB_TCP: tcp_services,
variables.K8S_CLUSTER_LB_UDP: udp_services,
variables.K8S_NS_LB_TCP: tcp_nodeport_services,
variables.K8S_NS_LB_UDP: udp_nodeport_services}
for load_balancer, k8s_services in load_balancers.items():
vips = self._get_load_balancer_vips(load_balancer)
if not vips:
continue
for vip in vips:
if vip not in k8s_services:
vip = "\"" + vip + "\""
try:
ovn_nbctl("remove", "load_balancer", load_balancer,
"vips", vip)
vlog.info("sync_services: deleted vip %s from %s"
% (vip, load_balancer))
except Exception as e:
vlog.err("sync_services: failed to remove vip %s"
"from %s (%s)" % (vip, load_balancer, str(e)))
def sync_services(self, services):
# For all the 'clusterIP' services, we will populate the below lists
# (inside dict) with IP:port.
cluster_services = {'TCP': [], 'UDP': []}
# For all the NodePort services, we will populate the below lists with
# just nodeport or 'external_ip:port'.
nodeport_services = {'TCP': [], 'UDP': []}
services = services.get('items', [])
for service in services:
service_type = service['spec'].get('type')
if service_type != "ClusterIP" and service_type != "NodePort":
continue
service_ip = service['spec'].get('clusterIP')
if not service_ip:
continue
service_ports = service['spec'].get('ports')
if not service_ports:
continue
external_ips = service['spec'].get('externalIPs')
for service_port in service_ports:
if service_type == "NodePort":
port = service_port.get('nodePort')
else:
port = service_port.get('port')
if not port:
continue
protocol = service_port.get('protocol', 'TCP')
if service_type == "NodePort":
if protocol == "TCP":
nodeport_services['TCP'].append(str(port))
else:
nodeport_services['UDP'].append(str(port))
elif service_type == "ClusterIP":
key = "%s:%s" % (service_ip, port)
if protocol == "TCP":
cluster_services['TCP'].append(key)
else:
cluster_services['UDP'].append(key)
if external_ips:
for external_ip in external_ips:
key = "%s:%s" % (external_ip, port)
if protocol == "TCP":
nodeport_services['TCP'].append(key)
else:
nodeport_services['UDP'].append(key)
# For OVN cluster load-balancer if the VIP that exists in the
# OVN load balancer is not seen in current k8s services, we delete it.
load_balancers = {
variables.K8S_CLUSTER_LB_TCP: cluster_services['TCP'],
variables.K8S_CLUSTER_LB_UDP: cluster_services['UDP'],
}
for load_balancer, k8s_services in load_balancers.items():
vips = self._get_load_balancer_vips(load_balancer)
if not vips:
continue
for vip in vips:
if vip not in k8s_services:
vip = "\"" + vip + "\""
self._delete_load_balancer_vip(load_balancer, vip)
# For each gateway, remove any VIP that does not exist in
# 'nodeport_services'
physical_gateways = self._get_ovn_gateways()
for physical_gateway in physical_gateways:
for protocol, service in nodeport_services.items():
try:
external_id_key = protocol + "_lb_gateway_router"
load_balancer = ovn_nbctl(
"--data=bare", "--no-heading",
"--columns=_uuid", "find", "load_balancer",
"external_ids:" + external_id_key + "=" +
physical_gateway
).strip('"')
except Exception as e:
vlog.err("sync_services: get failed for"
" %s (%s)" % (physical_gateway, str(e)))
continue
if not load_balancer:
continue
# Get the OVN load-balancer VIPs.
vips = self._get_load_balancer_vips(load_balancer)
if not vips:
continue
for vip in vips:
vip_and_port = vip.split(":")
if len(vip_and_port) == 1:
# In a OVN load-balancer, we should always have
# vip:port. In the unlikely event that it is not
# the case, skip it.
continue
# An example 'service' is ["3892", "10.1.1.20:8880"]
if vip_and_port[1] in service or vip in service:
continue
vip = "\"" + vip + "\""
self._delete_load_balancer_vip(load_balancer, vip)
def sync_services(self, services):
# For all the services, we will populate the below lists with
# IP:port that act as VIP in the OVN load-balancers.
tcp_nodeport_services = []
udp_nodeport_services = []
tcp_services = []
udp_services = []
services = services.get('items', [])
for service in services:
service_type = service['spec'].get('type')
if service_type != "ClusterIP" and service_type != "NodePort":
continue
service_ip = service['spec'].get('clusterIP')
if not service_ip:
continue
service_ports = service['spec'].get('ports')
if not service_ports:
continue
external_ips = service['spec'].get('externalIPs')
for service_port in service_ports:
if service_type == "NodePort":
port = service_port.get('nodePort')
else:
port = service_port.get('port')
if not port:
continue
protocol = service_port.get('protocol', 'TCP')
if service_type == "NodePort":
physical_gateway_ips = self._get_physical_gateway_ips()
for gateway_ip in physical_gateway_ips:
key = "%s:%s" % (gateway_ip, port)
if protocol == "TCP":
tcp_nodeport_services.append(key)
else:
udp_nodeport_services.append(key)
elif service_type == "ClusterIP":
key = "%s:%s" % (service_ip, port)
if protocol == "TCP":
tcp_services.append(key)
else:
udp_services.append(key)
if external_ips:
for external_ip in external_ips:
key = "%s:%s" % (external_ip, port)
if protocol == "TCP":
tcp_nodeport_services.append(key)
else:
udp_nodeport_services.append(key)
# For each of the OVN load-balancer, if the VIP that exists in
# the load balancer is not seen in current k8s services, we
# delete it.
load_balancers = {
variables.K8S_CLUSTER_LB_TCP: tcp_services,
variables.K8S_CLUSTER_LB_UDP: udp_services,
variables.K8S_NS_LB_TCP: tcp_nodeport_services,
variables.K8S_NS_LB_UDP: udp_nodeport_services
}
for load_balancer, k8s_services in load_balancers.items():
vips = self._get_load_balancer_vips(load_balancer)
if not vips:
continue
for vip in vips:
if vip not in k8s_services:
vip = "\"" + vip + "\""
try:
ovn_nbctl("remove", "load_balancer", load_balancer,
"vips", vip)
vlog.info("sync_services: deleted vip %s from %s" %
(vip, load_balancer))
except Exception as e:
vlog.err("sync_services: failed to remove vip %s"
"from %s (%s)" % (vip, load_balancer, str(e)))
def sync_services(self, services):
# For all the 'clusterIP' services, we will populate the below lists
# (inside dict) with IP:port.
cluster_services = {'TCP': [], 'UDP': []}
# For all the NodePort services, we will populate the below lists with
# just nodeport or 'external_ip:port'.
nodeport_services = {'TCP': [], 'UDP': []}
services = services.get('items', [])
for service in services:
service_type = service['spec'].get('type')
if service_type != "ClusterIP" and service_type != "NodePort":
continue
service_ip = service['spec'].get('clusterIP')
if not service_ip:
continue
service_ports = service['spec'].get('ports')
if not service_ports:
continue
external_ips = service['spec'].get('externalIPs')
for service_port in service_ports:
if service_type == "NodePort":
port = service_port.get('nodePort')
else:
port = service_port.get('port')
if not port:
continue
protocol = service_port.get('protocol', 'TCP')
if service_type == "NodePort":
if protocol == "TCP":
nodeport_services['TCP'].append(str(port))
else:
nodeport_services['UDP'].append(str(port))
elif service_type == "ClusterIP":
key = "%s:%s" % (service_ip, port)
if protocol == "TCP":
cluster_services['TCP'].append(key)
else:
cluster_services['UDP'].append(key)
if external_ips:
for external_ip in external_ips:
key = "%s:%s" % (external_ip, port)
if protocol == "TCP":
nodeport_services['TCP'].append(key)
else:
nodeport_services['UDP'].append(key)
# For OVN cluster load-balancer if the VIP that exists in the
# OVN load balancer is not seen in current k8s services, we delete it.
load_balancers = {
variables.K8S_CLUSTER_LB_TCP: cluster_services['TCP'],
variables.K8S_CLUSTER_LB_UDP: cluster_services['UDP'],
}
for load_balancer, k8s_services in load_balancers.items():
vips = self._get_load_balancer_vips(load_balancer)
if not vips:
continue
for vip in vips:
if vip not in k8s_services:
vip = "\"" + vip + "\""
self._delete_load_balancer_vip(load_balancer, vip)
# For each gateway, remove any VIP that does not exist in
# 'nodeport_services'
physical_gateways = self._get_ovn_gateways()
for physical_gateway in physical_gateways:
for protocol, service in nodeport_services.items():
try:
external_id_key = protocol + "_lb_gateway_router"
load_balancer = ovn_nbctl(
"--data=bare", "--no-heading", "--columns=_uuid",
"find", "load_balancer", "external_ids:" +
external_id_key + "=" + physical_gateway).strip('"')
except Exception as e:
vlog.err("sync_services: get failed for"
" %s (%s)" % (physical_gateway, str(e)))
continue
if not load_balancer:
continue
# Get the OVN load-balancer VIPs.
vips = self._get_load_balancer_vips(load_balancer)
if not vips:
continue
for vip in vips:
vip_and_port = vip.split(":")
if len(vip_and_port) == 1:
# In a OVN load-balancer, we should always have
# vip:port. In the unlikely event that it is not
# the case, skip it.
continue
# An example 'service' is ["3892", "10.1.1.20:8880"]
if vip_and_port[1] in service or vip in service:
continue
vip = "\"" + vip + "\""
self._delete_load_balancer_vip(load_balancer, vip)
def create_logical_port(self, event):
data = event.metadata
logical_switch = data['spec']['nodeName']
pod_name = data['metadata']['name']
namespace = data['metadata']['namespace']
logical_port = "%s_%s" % (namespace, pod_name)
if not logical_switch or not pod_name:
vlog.err("absent node name or pod name in pod %s. "
"Not creating logical port" % (data))
return
(gateway_ip, mask) = self._get_switch_gateway_ip(logical_switch)
if not gateway_ip or not mask:
vlog.err("_create_logical_port: failed to get gateway_ip")
return
try:
ovn_nbctl("--", "--may-exist", "lsp-add", logical_switch,
logical_port, "--", "lsp-set-addresses",
logical_port, "dynamic", "--", "set",
"logical_switch_port", logical_port,
"external-ids:namespace=" + namespace,
"external-ids:pod=true")
except Exception as e:
vlog.err("_create_logical_port: lsp-add (%s)" % (str(e)))
return
# We wait for a maximum of 3 seconds to get the dynamic addresses in
# intervals of 0.1 seconds.
addresses = ""
counter = 30
while counter != 0:
try:
ret = ovn_nbctl("get", "logical_switch_port", logical_port,
"dynamic_addresses")
addresses = ast.literal_eval(ret)
if len(addresses):
break
except Exception as e:
vlog.err("_create_logical_port: get dynamic_addresses (%s)"
% (str(e)))
time.sleep(0.1)
counter = counter - 1
if not len(addresses):
vlog.err("_create_logical_port: failed to get addresses after "
"multiple retries.")
return
(mac_address, ip_address) = addresses.split()
namespace = data['metadata']['namespace']
pod_name = data['metadata']['name']
ip_address_mask = "%s/%s" % (ip_address, mask)
annotation = {'ip_address': ip_address_mask,
'mac_address': mac_address,
'gateway_ip': gateway_ip}
try:
kubernetes.set_pod_annotation(variables.K8S_API_SERVER,
namespace, pod_name,
"ovn", str(annotation))
except Exception as e:
vlog.err("_create_logical_port: failed to annotate addresses (%s)"
% (str(e)))
return
vlog.info("created logical port %s" % (logical_port))
