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=====
APRSD
=====
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.. contents:: :local:
`APRSD <http://github.com/craigerl/aprsd>`_ is a Ham radio `APRS <http://aprs.org>`_ message command gateway built on python.
APRSD listens on amateur radio aprs-is network for messages and respond to them.
It has a plugin architecture for extensibility. Users of APRSD can write their own
plugins that can respond to APRS-IS messages.
You must have an amateur radio callsign to use this software. APRSD gets
messages for the configured HAM callsign, and sends those messages to a
list of plugins for processing. There are a set of core plugins that
provide responding to messages to check email, get location, ping,
time of day, get weather, and fortune telling as well as version information
of aprsd itself.
Documentation: https://aprsd.readthedocs.io
APRSD Overview Diagram
----------------------
.. image:: https://raw.githubusercontent.com/craigerl/aprsd/master/docs/_static/aprsd_overview.svg?sanitize=true
Typical use case
================
Ham radio operator using an APRS enabled HAM radio sends a message to check
the weather. an APRS message is sent, and then picked up by APRSD. The
APRS packet is decoded, and the message is sent through the list of plugins
for processing. For example, the WeatherPlugin picks up the message, fetches the weather
for the area around the user who sent the request, and then responds with
the weather conditions in that area.
APRSD Capabilities
==================
* server - The main aprsd server processor. Send/Rx APRS messages to HAM callsign
* send-message - use aprsd to send a command/message to aprsd server. Used for development testing
* sample-config - generate a sample aprsd.yml config file for use/editing
* bash completion generation. Uses python click bash completion to generate completion code for your .bashrc/.zshrc
List of core server plugins
===========================
Plugins function by specifying a regex that is searched for in the APRS message.
If it matches, the plugin runs. IF the regex doesn't match, the plugin is skipped.
* EmailPlugin - Check email and reply with contents. Have to configure IMAP and SMTP settings in aprs.yml
* FortunePlugin - Replies with old unix fortune random fortune!
* LocationPlugin - Checks location of ham operator
* PingPlugin - Sends pong with timestamp
* QueryPlugin - Allows querying the list of delayed messages that were not ACK'd by radio
* TimePlugin - Current time of day
* WeatherPlugin - Get weather conditions for current location of HAM callsign
* VersionPlugin - Reports the version information for aprsd
Current messages this will respond to:
======================================
::
APRS messages:
l(ocation) [callsign] = descriptive current location of your radio
8 Miles E Auburn CA 1673' 39.92150,-120.93950 0.1h ago
w(eather) = weather forecast for your radio's current position
58F(58F/46F) Partly Cloudy. Tonight, Heavy Rain.
t(ime) = respond with the current time
f(ortune) = respond with a short fortune
-email_addr email text = send an email, say "mapme" to send a current position/map
-2 = resend the last 2 emails from your imap inbox to this radio
p(ing) = respond with Pong!/time
v(ersion) = Respond with current APRSD Version string
anything else = respond with usage
Meanwhile this code will monitor a single imap mailbox and forward email
to your BASECALLSIGN over the air. Only radios using the BASECALLSIGN are allowed
to send email, so consider this security risk before using this (or Amatuer radio in
general). Email is single user at this time.
There are additional parameters in the code (sorry), so be sure to set your
email server, and associated logins, passwords. search for "yourdomain",
"password". Search for "shortcuts" to setup email aliases as well.
Installation:
=============
pip install aprsd
Example usage:
==============
aprsd -h
Help
====
::
└─[$] > aprsd -h
Usage: aprsd [OPTIONS] COMMAND [ARGS]...
Shell completion for click-completion-command Available shell types:
bash Bourne again shell fish Friendly interactive shell
powershell Windows PowerShell zsh Z shell Default type: auto
Options:
--version Show the version and exit.
-h, --help Show this message and exit.
Commands:
install Install the click-completion-command completion
sample-config This dumps the config to stdout.
send-message Send a message to a callsign via APRS_IS.
server Start the aprsd server process.
show Show the click-completion-command completion code
Commands
========
Configuration
=============
This command outputs a sample config yml formatted block that you can edit
and use to pass in to aprsd with -c. By default aprsd looks in ~/.config/aprsd/aprsd.yml
aprsd sample-config
Output
======
::
└─[$] > aprsd sample-config
aprs:
host: rotate.aprs.net
logfile: /tmp/arsd.log
login: someusername
password: somepassword
port: 14580
aprsd:
enabled_plugins:
- aprsd.plugin.EmailPlugin
- aprsd.plugin.FortunePlugin
- aprsd.plugin.LocationPlugin
- aprsd.plugin.PingPlugin
- aprsd.plugin.TimePlugin
- aprsd.plugin.WeatherPlugin
- aprsd.plugin.VersionPlugin
plugin_dir: ~/.config/aprsd/plugins
ham:
callsign: KFART
imap:
host: imap.gmail.com
login: imapuser
password: something here too
port: 993
use_ssl: true
shortcuts:
aa: 5551239999@vtext.com
cl: craiglamparter@somedomain.org
wb: 555309@vtext.com
smtp:
host: imap.gmail.com
login: something
password: some lame password
port: 465
use_ssl: false
server
======
This is the main server command that will listen to APRS-IS servers and
look for incomming commands to the callsign configured in the config file
::
└─[$] > aprsd server --help
Usage: aprsd server [OPTIONS]
Start the aprsd server process.
Options:
--loglevel [CRITICAL|ERROR|WARNING|INFO|DEBUG]
The log level to use for aprsd.log
[default: DEBUG]
--quiet Don't log to stdout
--disable-validation Disable email shortcut validation. Bad
email addresses can result in broken email
responses!!
-c, --config TEXT The aprsd config file to use for options.
[default: ~/.config/aprsd/aprsd.yml]
-h, --help Show this message and exit.
(.venv3) ┌─[waboring@dl360-1] - [~/devel/aprsd] - [Sun Dec 20, 12:32] -
└─[$] <git:(master*)> aprsd server
Load config
[12/20/2020 12:33:03 PM] [MainThread ] [INFO ] APRSD Started version: 1.0.2
[12/20/2020 12:33:03 PM] [MainThread ] [INFO ] Checking IMAP configuration
[12/20/2020 12:33:04 PM] [MainThread ] [INFO ] Checking SMTP configuration
send-message
============
This command is typically used for development to send another aprsd instance
test messages
::
└─[$] > aprsd send-message -h
Usage: aprsd send-message [OPTIONS] TOCALLSIGN [COMMAND]...
Send a message to a callsign via APRS_IS.
Options:
--loglevel [CRITICAL|ERROR|WARNING|INFO|DEBUG]
The log level to use for aprsd.log
[default: DEBUG]
--quiet Don't log to stdout
-c, --config TEXT The aprsd config file to use for options.
[default: ~/.config/aprsd/aprsd.yml]
--aprs-login TEXT What callsign to send the message from.
[env var: APRS_LOGIN]
--aprs-password TEXT the APRS-IS password for APRS_LOGIN [env
var: APRS_PASSWORD]
-h, --help Show this message and exit.
Example output:
===============
SEND EMAIL (radio to smtp server)
=================================
::
Received message______________
Raw : KM6XXX>APY400,WIDE1-1,qAO,KM6XXX-1::KM6XXX-9 :-user@host.com test new shortcuts global, radio to pc{29
From : KM6XXX
Message : -user@host.com test new shortcuts global, radio to pc
Msg number : 29
Sending Email_________________
To : user@host.com
Subject : KM6XXX
Body : test new shortcuts global, radio to pc
Sending ack __________________ Tx(3)
Raw : KM6XXX-9>APRS::KM6XXX :ack29
To : KM6XXX
Ack number : 29
RECEIVE EMAIL (imap server to radio)
====================================
::
Sending message_______________ 6(Tx3)
Raw : KM6XXX-9>APRS::KM6XXX :-somebody@gmail.com email from internet to radio{6
To : KM6XXX
Message : -somebody@gmail.com email from internet to radio
Received message______________
Raw : KM6XXX>APY400,WIDE1-1,qAO,KM6XXX-1::KM6XXX-9 :ack6
From : KM6XXX
Message : ack6
Msg number : 0
LOCATION
========
::
Received Message _______________
Raw : KM6XXX-6>APRS,TCPIP*,qAC,T2CAEAST::KM6XXX-14:location{2
From : KM6XXX-6
Message : location
Msg number : 2
Received Message _______________ Complete
Sending Message _______________
Raw : KM6XXX-14>APRS::KM6XXX-6 :KM6XXX-6: 8 Miles E Auburn CA 0' 0,-120.93584 1873.7h ago{2
To : KM6XXX-6
Message : KM6XXX-6: 8 Miles E Auburn CA 0' 0,-120.93584 1873.7h ago
Msg number : 2
Sending Message _______________ Complete
Sending ack _______________
Raw : KM6XXX-14>APRS::KM6XXX-6 :ack2
To : KM6XXX-6
Ack : 2
Sending ack _______________ Complete
AND... ping, fortune, time.....
Development
===========
* git clone git@github.com:craigerl/aprsd.git
* cd aprsd
* make
Workflow
========
While working aprsd, The workflow is as follows
* checkout a new branch to work on
* git checkout -b mybranch
* Edit code
* run tox -epep8
* run tox -efmt
* run tox -p
* git commit ( This will run the pre-commit hooks which does checks too )
* Once you are done with all of your commits, then push up the branch to
github
* git push -u origin mybranch
* Create a pull request from your branch so github tests can run and we can do
a code review.
Release
=======
To do release to pypi:
* Tag release with
git tag -v1.XX -m "New release"
* push release tag up
git push origin master --tags
* Do a test build and verify build is valid
make build
* Once twine is happy, upload release to pypi
make upload
Docker Container
================
Building
========
There are 2 versions of the container Dockerfile that can be used.
The main Dockerfile, which is for building the official release container
based off of the pip install version of aprsd and the Dockerfile-dev,
which is used for building a container based off of a git branch of
the repo.
Official Build
==============
docker build -t hemna6969/aprsd:latest .
Development Build
=================
docker build -t hemna6969/aprsd:latest -f Dockerfile-dev .
Running the container
=====================
There is a docker-compose.yml file that can be used to run your container.
There are 2 volumes defined that can be used to store your configuration
and the plugins directory: /config and /plugins
If you want to install plugins at container start time, then use the
environment var in docker-compose.yml specified as APRS_PLUGINS
Provide a csv list of pypi installable plugins. Then make sure the plugin
python file is in your /plugins volume and the plugin will be installed at
container startup. The plugin may have dependencies that are required.
The plugin file should be copied to /plugins for loading by aprsd
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