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doc: git integration

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Sebastien Bourdeauducq 2015-08-08 22:27:57 +08:00
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commit e8aa825a9d
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doc/manual/index.rst
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@ -9,13 +9,13 @@ Contents:
introduction
installing
getting_started
developing_a_ndsp
management_system
core_device
core_language_reference
core_drivers_reference
protocols_reference
ndsp_reference
developing_a_ndsp
utilities
default_network_ports
faq

71
doc/manual/management_system.rst
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@ -1,6 +1,11 @@
Management system
=================
The management system described below is optional: experiments can be run one by one using ``artiq_run``, and the controllers can run stand-alone (without a controller manager). For their very first steps with ARTIQ or in simple or particular cases, users do not need to deploy the management system.
Components
**********
Master
------
@ -8,10 +13,6 @@ The master is responsible for managing the parameter and device databases, the e
The master is a headless component, and one or several clients (command-line or GUI) use the network to interact with it.
.. argparse::
:ref: artiq.frontend.artiq_master.get_argparser
:prog: artiq_master
Controller manager
------------------
@ -21,24 +22,66 @@ A controller manager connects to the master and uses the device database to dete
Controller managers use the local network address of the connection to the master to filter the device database and run only those controllers that are allocated to the current node. Hostname resolution is supported.
.. argparse::
:ref: artiq.frontend.artiq_ctlmgr.get_argparser
:prog: artiq_ctlmgr
Command-line client
-------------------
The command-line client connects to the master and permits modification and monitoring of the databases, monitoring the experiment schedule, and submitting experiments.
The command-line client connects to the master and permits modification and monitoring of the databases, monitoring the experiment schedule and log, and submitting experiments.
GUI client
----------
The GUI client connects to the master and is the main way of interacting with it. The main features of the GUI are scheduling of experiments, setting of their arguments, examining the schedule, displaying real-time results, and debugging TTL and DDS channels in real time.
Experiment scheduling
*********************
Git integration
***************
The master may use a Git repository for the storage of experiment source code. Using Git has many advantages. For example, each result file (HDF5) contains the commit ID corresponding to the exact source code that produced it, which helps reproducibility.
Even though the master also supports non-bare repositories, it is recommended to use a bare repository so that it can easily support push transactions from clients. Create it with e.g.: ::
mkdir experiments
cd experiments
git init --bare
You want Git to notify the master every time the repository is pushed to (updated), so that it is rescanned for experiments and e.g. the GUI controls and the experiment list are updated.
Create a file named ``post-receive`` in the ``hooks`` folder (this folder has been created by the ``git`` command), containing the following: ::
#!/bin/sh
artiq_client scan-repository
Then set the execution permission on it: ::
chmod 755 hooks/post-receive
You may now run the master with the Git support enabled: ::
artiq_master -g -r /path_to/experiments
Push commits containing experiments to the bare repository using e.g. Git over SSH, and the new experiments should automatically appear in the GUI.
.. note:: If you plan to run the ARTIQ system entirely on a single machine, you may also consider using a non-bare repository and the ``post-commit`` hook to trigger repository scans every time you commit changes (locally).
The GUI always runs experiments from the repository. The command-line client, by default, runs experiment from the raw filesystem (which is useful for iterating rapidly without creating many disorganized commits). If you want to use the repository instead, simply pass the ``-R`` option.
Reference
*********
.. argparse::
:ref: artiq.frontend.artiq_master.get_argparser
:prog: artiq_master
.. argparse::
:ref: artiq.frontend.artiq_ctlmgr.get_argparser
:prog: artiq_ctlmgr
.. argparse::
:ref: artiq.frontend.artiq_client.get_argparser
:prog: artiq_client
GUI client
----------
The GUI client connects to the master and is the main way of interacting with it.
.. argparse::
:ref: artiq.frontend.artiq_gui.get_argparser
:prog: artiq_gui