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gns3-server/README.md

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GNS3-server
===========
[![image](https://github.com/GNS3/gns3-server/workflows/testing/badge.svg)](https://github.com/GNS3/gns3-server/actions?query=workflow%3Atesting)
[![image](https://img.shields.io/pypi/v/gns3-server.svg)](https://pypi.python.org/pypi/gns3-server)
[![image](https://snyk.io/test/github/GNS3/gns3-server/badge.svg)](https://snyk.io/test/github/GNS3/gns3-server)
This is the GNS3 server repository.
The GNS3 server manages emulators such as Dynamips, VirtualBox or
Qemu/KVM. Clients like the [GNS3 GUI](https://github.com/GNS3/gns3-gui/)
and the [GNS3 Web UI](https://github.com/GNS3/gns3-web-ui) control the
server using an HTTP REST API.
Software dependencies
---------------------
In addition of Python dependencies listed in a section below, other
software may be required, recommended or optional.
- [uBridge](https://github.com/GNS3/ubridge/) is required, it
interconnects the nodes.
- [Dynamips](https://github.com/GNS3/dynamips/) is required for
running IOS routers (using real IOS images) as well as the internal
switches and hubs.
- [VPCS](https://github.com/GNS3/vpcs/) is recommended, it is a
builtin node simulating a very simple computer to perform
connectitivy tests using ping, traceroute etc.
- Qemu is strongly recommended on Linux, as most node types are based
on Qemu, for example Cisco IOSv and Arista vEOS.
- libvirt is recommended (Linux only), as it\'s needed for the NAT
cloud.
- Docker is optional (Linux only), some nodes are based on Docker.
- mtools is recommended to support data transfer to/from QEMU VMs
using virtual disks.
- i386-libraries of libc and libcrypto are optional (Linux only), they
are only needed to run IOU based nodes.
### Docker support
Docker support needs the script program (bsdutils or
util-linux package), when running a docker VM and a static
busybox during installation (python3 setup.py install / pip3 install /
package creation).
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 (2.3 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:
- Gentoo: <https://packages.gentoo.org/package/net-misc/gns3-server>
- Alpine:
<https://pkgs.alpinelinux.org/package/v3.10/community/x86_64/gns3-server>
- NixOS:
<https://search.nixos.org/packages?channel=unstable&from=0&size=50&sort=relevance&type=packages&query=gns3-server>
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 >= 3.8, setuptools and the ones listed
[here](https://github.com/GNS3/gns3-server/blob/master/requirements.txt)
The following commands will install some of these dependencies:
``` {.bash}
sudo apt-get install python3-setuptools python3-pip
```
Finally, these commands will install the server as well as the rest of
the dependencies:
``` {.bash}
cd gns3-server-master
python3 -m pip install -r requirements.txt
python3 -m pip install .
gns3server
```
To run tests use:
``` {.bash}
python3 -m pytest tests
```
### Docker container
For development, you can run the GNS3 server in a container
``` {.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.
Useful 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.
``` {.bash}
sudo adduser gns3
```
upstart
-------
For ubuntu < 15.04
You need to copy init/gns3.conf.upstart to /etc/init/gns3.conf
``` {.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
``` {.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/software/download) to install the
stable build.
If you install via source you need to first install:
- Python (3.3 or above) - <https://www.python.org/downloads/windows/>
- Pywin32 - <https://sourceforge.net/projects/pywin32/>
Then you can call
``` {.bash}
python setup.py install
```
to install the remaining dependencies.
To run the tests, you also need to call
``` {.bash}
pip install pytest pytest-capturelog
```
before actually running the tests with
``` {.bash}
python setup.py test
```
or with
``` {.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 virtualenvwrapper:
<http://virtualenvwrapper.readthedocs.org/> and homebrew:
<http://brew.sh/>.
``` {.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:
``` {.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:
``` {.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:
``` {.ini}
[Server]
certfile=/Users/noplay/.config/GNS3/ssl/server.cert
certkey=/Users/noplay/.config/GNS3/ssl/server.key
ssl=True
```
### Running tests
Just run:
``` {.bash}
py.test -vv
```
If you want test coverage:
``` {.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>