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fake-switches-1.5.0
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مشاهده بیشتر
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مشاهده بیشتر
تبلیغات ما
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مشاهده بیشتر
تبلیغات ما
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مشاهده بیشتر
تبلیغات ما
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مشاهده بیشترتوضیحات
A pluggable switch/router command-line simulator
| ویژگی | مقدار |
|---|---|
| سیستم عامل | - |
| نام فایل | fake-switches-1.5.0 |
| نام | fake-switches |
| نسخه کتابخانه | 1.5.0 |
| نگهدارنده | [] |
| ایمیل نگهدارنده | [] |
| نویسنده | Internap Hosting |
| ایمیل نویسنده | opensource@internap.com |
| آدرس صفحه اصلی | https://github.com/internap/fake-switches |
| آدرس اینترنتی | https://pypi.org/project/fake-switches/ |
| مجوز | Apache Software License |
[](https://travis-ci.org/internap/fake-switches)
[](http://badge.fury.io/py/fake-switches)
Fake-switches
=============
Fake-switches is a pluggable switch/router command-line simulator. It is meant
to help running integrated tests against network equipment without the burden
of having devices in a lab. This helps testing the communication with the
equipment along with all of its layers for more robust high level tests. Since
it is meant to be used by other systems and not humans, error handling on
incomplete commands and fail-proofing has been mostly left out and only
relevant errors are shown.
The library can easily be extended to react to some changes in the fake switch
configuration and control an actual set of tools to have an environment
behaving like a real one driven by a switch. For example, you could hook
yourself to the VLAN creation and use vconfig to create an actual vlan on a
machine for some network testing.
This library is NOT supported by any vendor, it was built by
reverse-engineering network equipment.
Actual supported commands
=========================
Command support has been added in a as-needed manner for the purpose of what
was tested and how. So see which commands may be used and their supported
behavior, please see the tests section for each model.
| Model | Protocols | Test location |
| ------- | ---------------- | ------------- |
| Cisco | ssh and telnet | [tests/cisco/test_cisco_switch_protocol.py](tests/cisco/test_cisco_switch_protocol.py) |
| Brocade | ssh | [tests/brocade/test_brocade_switch_protocol.py](tests/brocade/test_brocade_switch_protocol.py) |
| Juniper | netconf over ssh | [tests/juniper/juniper_base_protocol_test.py](tests/juniper/juniper_base_protocol_test.py) |
| Dell | ssh and telnet | [tests/dell/](tests/dell/) |
Using it with Docker
====================
```shell
$ docker run -P -d internap/fake-switches
$ docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
6eec86849561 internap/fake-switches "/bin/sh -c 'fake-swi" 35 seconds ago Up 13 seconds 0.0.0.0:32776->22/tcp boring_thompson
$ ssh 127.0.0.1 -p 32776 -l root
root@127.0.0.1's password: # root
my_switch>enable
Password: # press <RETURN>
my_switch#show run
Building configuration...
Current configuration : 164 bytes
version 12.1
!
hostname my_switch
!
!
vlan 1
!
interface FastEthernet0/1
!
interface FastEthernet0/2
!
interface FastEthernet0/3
!
interface FastEthernet0/4
!
end
my_switch#
```
Launching with custom parameters
--------------------------------
```shell
$ docker run -P -d -e SWITCH_MODEL="another_model" internap/fake-switches
```
Supported parameters
--------------------
| Name | Default value |
| ----------------- | ----------------- |
| SWITCH_MODEL | cisco_generic |
| SWITCH_HOSTNAME | switch |
| SWITCH_USERNAME | root |
| SWITCH_PASSWORD | root |
| LISTEN_HOST | 0.0.0.0 |
| LISTEN_PORT | 22 |
Building image from source
--------------------------
```shell
$ docker build -t fake-switches .
$ docker run -P -d fake-switches
```
Extending functionality
=======================
The SwitchConfiguration class can be extended and given an object factory with
custom classes that can act upon resources changes. For example :
```python
from twisted.internet import reactor
from fake_switches.switch_configuration import SwitchConfiguration, Port
from fake_switches.transports.ssh_service import SwitchSshService
from fake_switches.cisco.cisco_core import CiscoSwitchCore
class MySwitchConfiguration(SwitchConfiguration):
def __init__(self, *args, **kwargs):
super(MySwitchConfiguration, self).__init__(objects_overrides={"Port": MyPort}, *args, **kwargs)
class MyPort(Port):
def __init__(self, name):
self._access_vlan = None
super(MyPort, self).__init__(name)
@property
def access_vlan(self):
return self._access_vlan
@access_vlan.setter
def access_vlan(self, value):
if self._access_vlan != value:
self._access_vlan = value
print "This could add vlan to eth0"
if __name__ == '__main__':
ssh_service = SwitchSshService(
ip="127.0.0.1",
ssh_port=11001,
switch_core=CiscoSwitchCore(MySwitchConfiguration("127.0.0.1", "my_switch", ports=[MyPort("FastEthernet0/1")])))
ssh_service.hook_to_reactor(reactor)
reactor.run()
```
Then, if you connect to the switch and do
```
ssh root@127.0.0.1 -p 11001
password : root
> enable
password:
# configure terminal
# vlan 1000
# interface FastEthernet0/1
# switchport access vlan 1000
```
Your program should say "This could add vlan to eth0" or do anything you would
want it to do :)
Starting a switch from the command line
=======================================
```shell
pip install fake-switches
fake-switches
# On a different shell, type the following:
ssh root@127.0.0.1 -p 22222
```
Command line help
-----------------
The --help flag is supported.
fake-switches --help
usage: fake-switches [-h] [--model MODEL] [--hostname HOSTNAME]
[--username USERNAME] [--password PASSWORD]
[--listen-host LISTEN_HOST] [--listen-port LISTEN_PORT]
Fake-switch simulator launcher
optional arguments:
-h, --help show this help message and exit
--model MODEL Switch model, allowed values are
juniper_qfx_copper_generic, cisco_2960_24TT_L,
dell_generic, dell10g_generic, juniper_generic,
cisco_2960_48TT_L, cisco_generic, brocade_generic
(default: cisco_generic)
--hostname HOSTNAME Switch hostname (default: switch)
--username USERNAME Switch username (default: root)
--password PASSWORD Switch password (default: root)
--listen-host LISTEN_HOST
Listen host (default: 0.0.0.0)
--listen-port LISTEN_PORT
Listen port (default: 2222)
Available switch models
-----------------------
At time of writing this document, the following models are available:
* brocade_generic
* cisco_generic
* cisco_2960_24TT_L
* cisco_2960_48TT_L
* dell_generic
* dell10g_generic
* juniper_generic
* juniper_qfx_copper_generic
Use the --help flag to find the available models.
The generic models are mainly for test purposes. They usually have less ports than a proper switch
model but behave the same otherwise. Once a "core" is available, more specific models can be very
easily added. Send your pull requests :)
Contributing
============
Feel free raise issues and send some pull request,
we'll be happy to look at them!
نیازمندی
| مقدار | نام |
|---|---|
| - | tftpy |
| >=0.7.13 | netaddr |
| <17.0,>=16.6.0 | Twisted[conch] |
| >=3.7 | lxml |
| <3 | cryptography |
| <3 | cryptography |
نحوه نصب
نصب پکیج whl fake-switches-1.5.0:
pip install fake-switches-1.5.0.whl
نصب پکیج tar.gz fake-switches-1.5.0:
pip install fake-switches-1.5.0.tar.gz