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137 lines
4.1 KiB
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.. _snap: https://snapcraft.io
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.. _snapcraft LXD: https://snapcraft.io/lxd
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.. _LXC/LXD Image Server: https://uk.images.linuxcontainers.org/
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.. _LXC: https://linuxcontainers.org/lxc/introduction/
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.. _LXD: https://linuxcontainers.org/lxd/introduction/
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.. _`LXD@github`: https://github.com/lxc/lxd
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.. _archlinux: https://www.archlinux.org/
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.. _lxc.sh:
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================
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``utils/lxc.sh``
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================
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.. sidebar:: further reading
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- snap_, `snapcraft LXD`_
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- LXC_, LXD_
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- `LXC/LXD Image Server`_
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- `LXD@github`_
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With the use of *Linux Containers* (LXC_) we can scale our tasks over a stack of
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containers, what we call the: *lxc suite*. The *searx suite*
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(:origin:`lxc-searx.env <utils/lxc-searx.env>`) is loaded by default, every time
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you start the ``lxc.sh`` script (*you do not need to care about*).
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Before you can start with containers, you need to install and initiate LXD_
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once::
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$ snap install lxd
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$ lxd init --auto
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To make use of the containers from the *searx suite*, you have to build the
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:ref:`LXC suite containers <lxc.sh help>` initial. But be warned, this might
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take some time::
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$ sudo -H ./utils/lxc.sh build
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A cup of coffee later, your LXC suite is build up and you can run whatever task
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you want / in a selected or even in all :ref:`LXC suite containers <lxc.sh
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help>`.
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*Good to know ...*
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Eeach container shares the root folder of the repository and the
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command ``utils/lxc.sh cmd`` **handles relative path names transparent**,
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compare output of::
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$ sudo -H ./utils/lxc.sh cmd -- ls -la Makefile
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...
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[searx-ubu2004] -rw-r--r-- 1 root root 7603 Mar 30 11:54 Makefile
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[searx-fedora31] -rw-r--r-- 1 root root 7603 Mar 30 11:54 Makefile
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[searx-archlinux] -rw-r--r-- 1 root root 7603 Mar 30 11:54 Makefile
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If there comes the time you want to **get rid off all** the containers and
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**clean up local images** just type::
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$ sudo -H ./utils/lxc.sh remove
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$ sudo -H ./utils/lxc.sh remove images
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Install suite
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=============
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To install the complete :ref:`searx suite (includes searx, morty & filtron)
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<lxc-searx.env>` into all LXC_ use::
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$ sudo -H ./utils/lxc.sh install suite
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The command above installs a searx suite (see :ref:`installation scripts`). To
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get the IP (URL) of the filtron service in the containers use ``show suite``
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command. To test instances from containers just open the URLs in your
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WEB-Browser::
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$ sudo ./utils/lxc.sh show suite | grep filtron
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[searx-ubu1604] INFO: (eth0) filtron: http://n.n.n.135:4004/
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[searx-ubu1804] INFO: (eth0) filtron: http://n.n.n.141:4004/
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[searx-ubu1910] INFO: (eth0) filtron: http://n.n.n.137:4004/
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[searx-ubu2004] INFO: (eth0) filtron: http://n.n.n.127:4004/
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[searx-fedora31] INFO: (eth0) filtron: http://n.n.n.18:4004/
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[searx-archlinux] INFO: (eth0) filtron: http://n.n.n.12:4004/
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Running commands
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================
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**Inside containers, you can use make or run scripts** from the
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:ref:`toolboxing`. By example: to setup a :ref:`buildhosts` and run the
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Makefile target ``test`` in the archlinux_ container::
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sudo -H ./utils/lxc.sh cmd searx-archlinux ./utils/searx.sh buildhost
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sudo -H ./utils/lxc.sh cmd searx-archlinux make test
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Setup searx buildhost
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=====================
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You can **install the searx buildhost environment** into one or all containers.
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The installation procedure to set up a :ref:`build host<buildhosts>` takes its
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time. Installation in all containers will take more time (time for another cup
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of coffee).::
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sudo -H ./utils/lxc.sh cmd -- ./utils/searx.sh buildhost
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To build (live) documentation inside a archlinux_ container::
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sudo -H ./utils/lxc.sh cmd searx-archlinux make docs-clean docs-live
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...
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[I 200331 15:00:42 server:296] Serving on http://0.0.0.0:8080
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To get IP of the container and the port number *live docs* is listening::
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$ sudo ./utils/lxc.sh show suite | grep docs-live
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...
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[searx-archlinux] INFO: (eth0) docs-live: http://n.n.n.12:8080/
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.. _lxc.sh help:
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Overview
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========
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The ``--help`` output of the script is largely self-explanatory:
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.. program-output:: ../utils/lxc.sh --help
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.. _lxc-searx.env:
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searx suite
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===========
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.. literalinclude:: ../../utils/lxc-searx.env
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:language: bash
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