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https://github.com/bsdpot/pot

pot: another container framework for FreeBSD, based on jails, ZFS and pf
https://github.com/bsdpot/pot

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pot: another container framework for FreeBSD, based on jails, ZFS and pf

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README 

        
# pot



[![build-badge](https://github.com/pizzamig/pot/workflows/unit-test/badge.svg)](https://github.com/pizzamig/pot/actions) [![License](https://img.shields.io/badge/License-BSD%203--Clause-blue.svg)](https://opensource.org/licenses/BSD-3-Clause)



Another container framework based on jails, to run FreeBSD containers on FreeBSD.

Every running instance is called `pot`, like the one that I use to cook all the different type of pasta.

It's heavily based on FreeBSD, in particular on jails, ZFS, pf and rctl.



The project's initial goal was to prove that FreeBSD has all the technologies to have a container-alike environment.

The project then evolved into something more robust and feature-rich.



The project was presented for the first time at FOSDEM 2018: ([talk page](https://archive.fosdem.org/2018/schedule/event/pot_container_framework/))



If you are more interested in jail orchestration, a nomad driver is provided to interact with `pot` and this work has been presented at FOSDEM 2020 ([talk page](https://archive.fosdem.org/2020/schedule/event/orchestrating_jails/))



### Documentation

The project's documentation is available at [https://pot.pizzamig.dev](https://pot.pizzamig.dev)



More in details:

* A Getting started guide is available [here](https://pot.pizzamig.dev/Getting)

* An installation guide, with detailed description is available [here](https://pot.pizzamig.dev/Installation)



### Nomad pot driver integration

A driver to allow [nomad](https://www.nomadproject.io) to interact with `pot` has been developed and available [here](https://github.com/trivago/nomad-pot-driver)



### Ansible Collection



There is pot collection for Ansible provided by github user @zilti available at https://galaxy.ansible.com/zilti/pot.



### Online help

`pot` provide an online help:

```

# pot help

Usage: pot command [options]



Commands:

	help	-- Show help

	version -- Show the pot version

	config  -- Show pot framework configuration

	ls/list	-- List of the installed pots

	show	-- Show pot information

	info    -- Print minimal information on a pot

	top     -- Run the unix top in the pot

	ps      -- Show running pots

	init	-- Initialize the ZFS layout

	de-init	-- Deinstall pot from your system

	vnet-start -- Start the vnet configuration

	create-base	-- Create a new base image

	create-fscomp -- Create a new fs component

	create-private-bridge -- Create a new private bridge

	create -- Create a new pot (jail)

	clone -- Clone a pot creating a new one

	clone-fscomp - Clone a fscomp

	rename -- Rename a pot

	destroy -- Destroy a pot

	prune   -- Destroy not running prunable pots

	copy-in -- Copy a file or a directory into a pot

	mount-in -- Mount a directory, a zfs dataset or a fscomp into a pot

	add-dep -- Add a dependency

	set-rss -- Set a resource constraint

	get-rss -- Get the current resource usage

	set-cmd -- Set the command to start the pot

	set-env -- Set environment variabls inside a pot

	set-hosts -- Set etc/hosts entries inside a pot

	set-hook -- Set hook scripts for a pot

	set-attr -- Set a pot's attribute

	get-attr -- Get a pot's attribute

	export-ports -- Let export tcp ports

	start -- Start a jail (pot)

	stop -- Stop a jail (pot)

	term -- Start a terminal in a pot

	run -- Start and open a terminal in a pot

	snap/snapshot -- Take a snapshot of a pot

	rollback/revert -- Restore the last snapshot

	purge-snapshots -- Remove old/all snapshots

	export -- Export a pot to a file

	import -- Import a pot from a file or a URL

	prepare -- Import and prepare a pot - designed for jail orchestrator

	update-config -- Update the configuration of a pot

```



Every command has its own online help as well. For instance:

```

pot create [-hv] -p potname [-N network-type] [-i ipaddr] [-l lvl] [-f flavour]

  [-b base | -P basepot ] [-d dns] [-t type]

  -h print this help

  -v verbose

  -k keep the pot, if create fails

  -p potname : the pot name (mandatory)

  -l lvl : pot level (only for type multi)

  -b base : the base pot

  -P pot : the pot to be used as reference

  -d dns : one between inherit(default), pot, off or custom:filename

  -f flavour : flavour to be used

  -t type: single or multi (default multi)

         single: the pot is based on a unique ZFS dataset

         multi: the pot is composed by a classical collection of 3 ZFS dataset

  -N network-type: one of those

         inherit: inherit the host network stack (default)

         alias: use a static ip as alias configured directly to the host NIC

         public-bridge: use the internal commonly public bridge

         private-bridge: use an internal private bridge (with option -B)

  -i ipaddr : an ip address or the keyword auto (if compatible with the network-type)

         auto: usable with public-bridge and private-bridge (default)

         ipaddr: mandatory with alias, usable with public-bridge and private-bridge

  -B bridge-name : the name of the bridge to be used (private-bridge only)

  -S network-stack : the network stack (ipv4, ipv6 or dual)

```