mirror of
https://expo.survex.com/repositories/troggle/.git
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203 lines
7.1 KiB
Plaintext
203 lines
7.1 KiB
Plaintext
Updated 27 October 2022
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Troggle is an application for caving expedition data management,
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originally created for use on Cambridge University Caving Club (CUCC)expeditions
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and licensed under the GNU Lesser General Public License.
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Troggle has been forked into two projects. The original one is maintained by Aaron Curtis
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and was used for Erebus caves. The CUCC variant uses files as the definitive data,
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not the database and lives at http://expo.survex.com/repositories/troggle/.git/
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For the server setup, see /_deploy/debian/wookey-exposerver-recipe.txt
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and see http://expo.survex.com/handbook/troggle/serverconfig.html
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Much material which was in this file has been moved to
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http://expo.survex.com/handbook/troggle/serverconfig.html
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See copyright notices in
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http://expo.survex.com/handbook/computing/contribute.html
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and for context see
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http://expo.survex.com/handbook/computing/onlinesystems.html
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Troggle setup
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=============
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0. read the very extensive online documentation and stop reading this README.
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http://expo.survex.com/handbook/troggle/troglaptop.html
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http://expo.survex.com/handbook/troggle/serverconfig.html
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http://expo.survex.com/handbook/troggle/trogdangoup.html
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and at troggle/debian/serversetup
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1. set up the ssh key-exchange with the git server so you can clone troggle
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http://expo.survex.com/handbook/computing/keyexchange.html
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Setting up directories
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----------------------
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see http://expo.survex.com/handbook/troggle/troglaptop.html and
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http://expo.survex.com/handbook/troggle/serverconfig.html
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Next, you need to fill in your local settings. Copy _deploy/WSL/localsettingsWSL.py
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to a new file called localsettings.py and edit it and settings.py to match
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your machine's file locations.
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Follow the instructions contained in the file to fill out your settings.
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{ in _deploy/old/ we have these which are all very out of date:
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localsettings-expo-live.py is the python2.7 settings for the server.
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localsettingsubuntu.py
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localsettingsdocker.py
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localsettingswindows.py
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localsettingspotatohut.py
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}
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Python3, Django, and Database setup
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-----------------------------------
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We are now using Django 3.2 and will move to 4.2 in 2024
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We are installing with python3.9
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Install Django using pip, not with apt, on your test system in a venv.
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Conventionally on our main master expo server we install everything that we can as debian packages, not using pip.
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[installation instructions removed - now in http://expo.survex.com/handbook/troggle/troglaptop.html ]
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[venv description removed - read it in http://expo.survex.com/handbook/troggle/troglaptop.html ]
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READ the os-trog.sh script !
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READ the venv-trog.sh script !
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Automatic Provisioning and Configuration
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----------------------------------------
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We don't do this - yet.
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The most appropriate configuration tools today (2021) appear to be Bolt or Ansible
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https://puppet.com/docs/bolt/latest/bolt.html (declarative, local)
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https://docs.ansible.com/ansible/latest/user_guide/intro_getting_started.html (procedural, remote)
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https://puppet.com/blog/automating-from-zero-to-something/
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We don't need anything for the deploy server itself, but we could do with something for setting
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up test servers quickly to help get newbie developers up to speed faster. But learning a new tool
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creates a barrier in itself. This is one reason most of us don't use Docker.
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CSS and media files
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-------------------
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We are not using the STATICFILES capability.
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We are serving css files from troggle/media/.. (see urls.py)
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Plain CSS pages
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---------------
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When running the test server
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manage.py runserver 0.0.0.0:8000
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and without Apache running, we are serving CSS using using this Django 'view':
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view_surveys.cssfilessingle
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i.e.
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cssfilessingle() in core/view_surveys.py
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Setting up survex
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-----------------
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You need to have survex installed as the command line tools 'cavern' is
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used as part of the survex import process.
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$ sudo apt install survex
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Setting up tables and importing survey data
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-------------------------------------------
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Run
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$ sudo python databaseReset.py
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from the troggle directory will give you instructions.
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[ NB Adding a new year/expedition requires adding a column to the
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folk/folk.csv table - a year doesn't exist until that is done.]
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MariaDB database
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----------------
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Start it up with
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$ sudo mysql -u -p
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when it will prompt you to type in the password. Get this by reading the settings.py file in use on the server.
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then
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> CREATE DATABASE troggle;
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> use troggle;
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> exit;
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Note the semicolons.
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You can check the status of the db service:
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$ sudo systemctl status mysql
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You can start and stop the db service with
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$ sudo systemctl restart mysql.service
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$ sudo systemctl stop mysql.service
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$ sudo systemctl start mysql.service
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While logged in at a terminal session as expo on expo.survex.,com
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$ mysql -h localhost -u expo -p<password>
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will get you the MariasDb command prompt: https://www.hostwinds.com/guide/how-to-use-mysql-mariadb-from-command-line/
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then (Note the SEMICOLONS !):
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>drop database troggle;
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>create database troggle;
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>quit
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Somewhere I have notes for the GRANT PRIVS type runes...
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Ah yes:
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CREATE DATABASE troggle;
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GRANT ALL PRIVILEGES ON troggle.* TO 'expo'@'localhost' IDENTIFIED BY 'somepassword'; FLUSH PRIVILEGES; (at mysql root prompt)
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(explained on https://chartio.com/resources/tutorials/how-to-grant-all-privileges-on-a-database-in-mysql/)
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(but you need to create the database too)
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The GRANT ALL PRIVILEGES bit requires you to logon in to MariaDB as root. sudo doesn't cut it.
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these permissions are set in a different 'info' database which usually is untouched even if database troggle gets creamed.
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PERMISSIONS
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https://linuxize.com/post/usermod-command-in-linux/
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THIS MAY BE OUT OF DATE - in 2022 we are running Apache as user 'expo' not 'www-data'
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so that the online editing system for SVX files works.
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The same goes for /expoweb/ files, so that "edit this page" works and the New Cave
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and New Entrance forms work.
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sudo usermod -a expo expocvs
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the expocvs group is used for git
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all the users should be in this group
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Running a Troggle server with Apache
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------------------------------------
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Troggle also needs these aliases to be configured. These are set in
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/home/expo/config/apache/expo.conf
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on the expo server.
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At least these need setting:
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DocumentRoot /home/expo/expoweb
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WSGIScriptAlias / /home/expo/troggle/wsgi.py
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<Directory /home/expo/troggle>
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<Files wsgi.py>
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Require all granted
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</Files>
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</Directory>
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the instructions for apache Alias commands are in comments at the end of
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the urls.py file.
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Unlike the django "manage.py runserver" method, apache requires a restart before it will use
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any changed files:
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sudo service apache2 restart
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Olly's comments 20 July 2020:
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olly: looking at /lib/systemd/system/apache2.service suggests so
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olly: ExecStart=/usr/sbin/apachectl start
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olly: ExecStop=/usr/sbin/apachectl stop
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olly: ExecReload=/usr/sbin/apachectl graceful
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Experimental additions
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----------------------
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These are untried tools which may help us document how troggle works in future.
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pip install pygraphviz
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pip install pyparsing pydot # installs fine
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django extension graph_models # https://django-extensions.readthedocs.io/en/latest/graph_models.html |