Python Netlink library
Project description
Pyroute2 is a pure Python netlink and Linux network configuration library. It requires only Python stdlib, no 3rd party libraries. Later it can change, but the deps tree will remain as simple, as it is possible.
The library provides several modules:
Netlink protocol implementations (RTNetlink, TaskStats, etc)
Simple netlink socket object, that can be used in poll/select
Network configuration module IPRoute provides API that in some way resembles ip/tc functionality
IPDB is an async transactional database of Linux network settings
rtnetlink sample
More samples you can read in the project documentation.
The lowest possible layer, simple socket interface. This socket supports normal socket API and can be used in poll/select:
from pyroute2 import IPRSocket # create the socket ip = IPRSocket() # bind ip.bind() # get and parse a broadcast message ip.get() # close ip.close()
Low-level IPRoute utility – Linux network configuration. IPRoute usually doesn’t rely on external utilities, but in some cases, when the kernel doesn’t provide the functionality via netlink (like on RHEL6.5), it transparently uses also brctl and sysfs to setup bridges and bonding interfaces:
from pyroute2 import IPRoute # get access to the netlink socket ip = IPRoute() # print interfaces print(ip.get_links()) # release Netlink socket ip.close()
High-level transactional interface, IPDB, a network settings DB:
from pyroute2 import IPDB
# local network settings
ip = IPDB()
# create bridge and add ports and addresses
# transaction will be started with `with` statement
# and will be committed at the end of the block
try:
with ip.create(kind='bridge', ifname='rhev') as i:
i.add_port(ip.interfaces.em1)
i.add_port(ip.interfaces.em2)
i.add_ip('10.0.0.2/24')
except Exception as e:
print(e)
finally:
ip.release()
The project contains several modules for different types of netlink messages, not only RTNL.
installation
make install or pip install pyroute2
requires
Python >= 2.6
The pyroute2 testing framework requires flake8, coverage, nosetests.
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