gns3-server

GNS3 server

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GNS3-server

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This is the GNS3 server repository.

The GNS3 server manages emulators such as Dynamips, VirtualBox or Qemu/KVM.
Clients like the GNS3 GUI controls the server using a HTTP REST API.

You will need the GNS3 GUI (gns3-gui repository) to control the server.

Branches

master


master is the next stable release, you can test it in your day to day activities.
Bug fixes or small improvements pull requests go here.

2.x (2.1 for example)


Next major release

Never use this branch for production. Pull requests for major new features go here.

Linux

GNS3 is perhaps packaged for your distribution:

Linux (Debian based)

The following instructions have been tested with Ubuntu and Mint.
You must be connected to the Internet in order to install the dependencies.

Dependencies:

  • Python 3.4 or above
  • aiohttp
  • setuptools
  • psutil
  • jsonschema

The following commands will install some of these dependencies:

.. code:: bash

sudo apt-get install python3-setuptools

Finally these commands will install the server as well as the rest of the dependencies:

.. code:: bash

cd gns3-server-master
sudo python3 setup.py install
gns3server

To run tests use:

.. code:: bash

py.test -v

Docker container


For development you can run the GNS3 server in a container

.. code:: bash

bash scripts/docker_dev_server.sh

Run as daemon (Unix only)


You will find init sample scripts for various systems
inside the init directory.

Usefull options:

  • --daemon: start process as a daemon
  • --log logfile: store output in a logfile
  • --pid pidfile: store the pid of the running process in a file and prevent double execution

All init scripts require the creation of a GNS3 user. You can change it to another user.

.. code:: bash

sudo adduser gns3

upstart

For ubuntu < 15.04

You need to copy init/gns3.conf.upstart to /etc/init/gns3.conf

.. code:: bash

sudo chown root /etc/init/gns3.conf
sudo service gns3 start

systemd

You need to copy init/gns3.service.systemd to /lib/systemd/system/gns3.service

.. code:: bash

sudo chown root /lib/systemd/system/gns3.service
sudo systemctl start gns3

Windows

Please use our all-in-one installer <https://community.gns3.com/community/software/download>_ to install the stable build.

If you install via source you need to first install:

Then you can call

.. code:: bash

python setup.py install

to install the remaining dependencies.

To run the tests, you also need to call

.. code:: bash

pip install pytest pytest-capturelog

before actually running the tests with

.. code:: bash

python setup.py test

or with

.. code:: bash

py.test -v

Mac OS X

Please use our DMG package for a simple installation.

If you want to test the current git version or contribute to the project,
you can follow these instructions with virtualenwrapper: http://virtualenvwrapper.readthedocs.org/
and homebrew: http://brew.sh/.

.. code:: bash

brew install python3
mkvirtualenv gns3-server --python=/usr/local/bin/python3.5
python3 setup.py install
gns3server

SSL

If you want enable SSL support on GNS3 you can generate a self signed certificate:

.. code:: bash

bash gns3server/cert_utils/create_cert.sh

This command will put the files in ~/.config/GNS3/ssl

After you can start the server in SSL mode with:

.. code:: bash

python gns3server/main.py --certfile ~/.config/GNS3/ssl/server.cert --certkey ~/.config/GNS3/ssl/server.key --ssl

Or in your gns3_server.conf by adding in the Server section:

.. code:: ini

[Server]
certfile=/Users/noplay/.config/GNS3/ssl/server.cert
certkey=/Users/noplay/.config/GNS3/ssl/server.key
ssl=True

Running tests


Just run:

.. code:: bash

py.test -vv

If you want test coverage:

.. code:: bash

py.test --cov-report term-missing --cov=gns3server

Security issues

Please contact us using contact form available here:
http://docs.gns3.com/1ON9JBXSeR7Nt2-Qum2o3ZX0GU86BZwlmNSUgvmqNWGY/index.html

Main metrics

Overview
Name With OwnerGNS3/gns3-server
Primary LanguagePython
Program languagePython (Language Count: 5)
Platform
License:GNU General Public License v3.0
所有者活动
Created At2013-09-26 02:45:09
Pushed At2025-06-09 20:24:36
Last Commit At2025-06-09 22:14:11
Release Count212
Last Release Namev3.0.5 (Posted on 2025-05-14 19:12:18)
First Release Namev1.0-alpha1 (Posted on )
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Stargazers Count897
Watchers Count74
Fork Count281
Commits Count5.4k
Has Issues Enabled
Issues Count1891
Issue Open Count115
Pull Requests Count464
Pull Requests Open Count4
Pull Requests Close Count129
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