This commit consists of the following:
1) The kafka messaging proxy in Twisted python for adapters
2) Initial implementation and containerization of ponsim OLT adapter
and ponsim ONU adapter
3) Initial submission of request and response facade in both Twisted
python and Go Language
4) Initial implementation of device management and logical device management
in the Core
5) Update to the log module to allow dynamic setting of log level per
package using the gRPC API
6) Bug fixes and minor changes
Change-Id: Ia8f033da84cfd08275335bae9542802415e7bb0f
diff --git a/adapters/common/utils/nethelpers.py b/adapters/common/utils/nethelpers.py
new file mode 100644
index 0000000..b17aced
--- /dev/null
+++ b/adapters/common/utils/nethelpers.py
@@ -0,0 +1,86 @@
+#
+# Copyright 2017 the original author or authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+"""
+Some network related convenience functions
+"""
+
+from netifaces import AF_INET
+
+import netifaces as ni
+import netaddr
+
+
+def _get_all_interfaces():
+ m_interfaces = []
+ for iface in ni.interfaces():
+ m_interfaces.append((iface, ni.ifaddresses(iface)))
+ return m_interfaces
+
+
+def _get_my_primary_interface():
+ gateways = ni.gateways()
+ assert 'default' in gateways, \
+ ("No default gateway on host/container, "
+ "cannot determine primary interface")
+ default_gw_index = gateways['default'].keys()[0]
+ # gateways[default_gw_index] has the format (example):
+ # [('10.15.32.1', 'en0', True)]
+ interface_name = gateways[default_gw_index][0][1]
+ return interface_name
+
+
+def get_my_primary_local_ipv4(inter_core_subnet=None, ifname=None):
+ if not inter_core_subnet:
+ return _get_my_primary_local_ipv4(ifname)
+ # My IP should belong to the specified subnet
+ for iface in ni.interfaces():
+ addresses = ni.ifaddresses(iface)
+ if AF_INET in addresses:
+ m_ip = addresses[AF_INET][0]['addr']
+ _ip = netaddr.IPAddress(m_ip).value
+ m_network = netaddr.IPNetwork(inter_core_subnet)
+ if _ip >= m_network.first and _ip <= m_network.last:
+ return m_ip
+ return None
+
+
+def get_my_primary_interface(pon_subnet=None):
+ if not pon_subnet:
+ return _get_my_primary_interface()
+ # My interface should have an IP that belongs to the specified subnet
+ for iface in ni.interfaces():
+ addresses = ni.ifaddresses(iface)
+ if AF_INET in addresses:
+ m_ip = addresses[AF_INET][0]['addr']
+ m_ip = netaddr.IPAddress(m_ip).value
+ m_network = netaddr.IPNetwork(pon_subnet)
+ if m_ip >= m_network.first and m_ip <= m_network.last:
+ return iface
+ return None
+
+
+def _get_my_primary_local_ipv4(ifname=None):
+ try:
+ ifname = get_my_primary_interface() if ifname is None else ifname
+ addresses = ni.ifaddresses(ifname)
+ ipv4 = addresses[AF_INET][0]['addr']
+ return ipv4
+ except Exception as e:
+ return None
+
+if __name__ == '__main__':
+ print get_my_primary_local_ipv4()