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Name: pyroute2
Version: 0.3.16
Summary: Python Netlink library
Home-page: https://github.com/svinota/pyroute2
Author: Peter V. Saveliev
Author-email: peter@svinota.eu
License: dual license GPLv2+ and Apache v2
Description: 
pyroute2
========
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)
* **rtnl**, network settings --- addresses, routes, traffic controls
* **nl80211** --- wireless functions API (work in progress)
* **nfnetlink** --- netfilter API: **ipset** (work in progress), ...
* **ipq** --- simplest userspace packet filtering, iptables QUEUE target
* **taskstats** --- extended process statistics
* 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.
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.
The **IPRoute** class is a 1-to-1 RTNL mapping. There are no implicit
interface lookups and so on.
Some examples::
from socket import AF_INET
from pyroute2 import IPRoute
from pyroute2 import IPRouteRequest
from pyroute2.common import AF_MPLS
# get access to the netlink socket
ip = IPRoute()
# print interfaces
print(ip.get_links())
# create VETH pair
ip.link_create(ifname='v0p0', peer='v0p1', kind='veth')
# lookup the interface and add an address
idx = ip.link_lookup(ifname='v0p0')[0]
ip.addr('add',
index=idx,
address='10.0.0.1',
broadcast='10.0.0.255',
prefixlen=24)
# create a route with metrics
req = IPRouteRequest({'dst': '172.16.0.0/24',
'gateway': '10.0.0.10',
'metrics': {'mtu': 1400,
'hoplimit': 16}})
ip.route('add', **req)
# create a MPLS route (requires kernel >= 4.1.4)
# $ sudo modprobe mpls_router
# $ sudo sysctl -w net.mpls.platform_labels=1000
req = IPRouteRequest({'family': AF_MPLS,
'oif': 2,
'via': {'family': AF_INET,
'addr': '172.16.0.10'},
'newdst': {'label': 0x20,
'bos': 1}})
ip.route('add', **req)
# 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 IPDB arch allows to use it transparently with network
namespaces::
from pyroute2 import IPDB
from pyroute2 import NetNS
# create IPDB to work in the 'test' ip netns
# pls notice, that IPDB itself will work in the
# main netns
ip = IPDB(nl=NetNS('test'))
# wait until someone will set up ipaddr 127.0.0.1
# in the netns on the loopback device
ip.interfaces.lo.wait_ip('127.0.0.1')
ip.release()
The project contains several modules for different types of
netlink messages, not only RTNL.
network namespace samples
-------------------------
Network namespace manipulation::
from pyroute2 import netns
# create netns
netns.create('test')
# list
print(netns.listnetns())
# remove netns
netns.remove('test')
Create **veth** interfaces pair and move to **netns**::
from pyroute2 import IPDB
ip = IPDB()
# create interface pair
ip.create(ifname='v0p0', kind='veth', peer='v0p1').commit()
# move peer to netns
with ip.interfaces.v0p1 as veth:
veth.net_ns_fd = 'test'
# don't forget to release before exit
ip.release()
List interfaces in some **netns**::
from pyroute2 import NetNS
from pprint import pprint
ns = NetNS('test')
pprint(ns.get_links())
ns.close()
More details and samples see in the documentation.
installation
------------
`make install` or `pip install pyroute2`
requires
--------
Python >= 2.6
The pyroute2 testing framework requires **flake8**, **coverage**,
**nosetests**.
links
-----
* home: https://github.com/svinota/pyroute2
* bugs: https://github.com/svinota/pyroute2/issues
* pypi: https://pypi.python.org/pypi/pyroute2
* docs: http://docs.pyroute2.org/
* list: https://groups.google.com/d/forum/pyroute2-dev
Platform: UNKNOWN
Classifier: License :: OSI Approved :: GNU General Public License v2 or later (GPLv2+)
Classifier: License :: OSI Approved :: Apache Software License
Classifier: Programming Language :: Python
Classifier: Topic :: Software Development :: Libraries :: Python Modules
Classifier: Operating System :: POSIX
Classifier: Intended Audience :: Developers
Classifier: Programming Language :: Python :: 2.6
Classifier: Programming Language :: Python :: 2.7
Classifier: Programming Language :: Python :: 3
Classifier: Development Status :: 4 - Beta
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