webapp listen port with autostart

To start the webapp on a X-less server it's possible to use the parameter --listen and then connect from a client with X to it.

How can I start the webapp on all annex repos on this server like on a client with assistant --autostart? Would be nice to start the assistant on all configured repos which listens on a defined port, f.e. git annex assistant --autostart --listen 0.0.0.0:8888. It would be even nicer to have a parameter to chose a autostart configuration file, f.e. git annex assistant --autostart --autostart-config /etc/git-annex/autostart --listen 0.0.0.0:8888, so this could end up in a real server application, a init script would be easy to write...

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comment 1

Well, it would be possible to add a configuration setting in the repository that tells the assistant what address:port to listen on.

But maybe it would be better to not use assistant --autostart in your situation? That command is basically the same as this shell script:

#!/bin/sh
for dir in $(cat $HOME/.config/git-annex/autostart); do
    cd $dir
    git annex webapp &
done

So you can write similar shell scripts that start the webapp with whatever options you like.

Comment by joey — Mon May 13 18:49:25 2013

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Init Script

Hi Joey,

Could you help out with writing an init.d script to safely start and stop the webapp on a headless server? I made an attempt below based on examples from the internet, but have no idea if it will work.

#!/bin/bash
# git-annex
# chkconfig: 345 20 80
# description: Git Annex WebApp startup and shutdown script.
# processname: git-annex


DAEMON=git-annex webapp

NAME=git-annex
DESC="Git Annex WebApp init script"
PIDFILE=/var/run/$NAME.pid
SCRIPTNAME=/etc/init.d/$NAME

case "$1" in
start)
    printf "%-50s" "Starting $NAME..."
    for dir in $(cat $HOME/.config/git-annex/autostart); do
        cd $dir
        PID=`$DAEMON > /dev/null 2>&1 & echo $!`
        #echo "Saving PID" $PID " to " $PIDFILE
            if [ -z $PID ]; then
                printf "%s\n" "Fail"
            else
                echo $PID > $PIDFILE
            printf "%s\n" "Ok"
        fi
    done
;;
status)
        printf "%-50s" "Checking $NAME..."
        if [ -f $PIDFILE ]; then
        for PID in $(cat $PIDFILE); do
            if [ -z "`ps axf | grep ${PID} | grep -v grep`" ]; then
                printf "%s\n" "Process dead but pidfile exists"
            else
                echo "Running"
            fi
        done
        else
            printf "%s\n" "Service not running"
        fi
;;
stop)
        printf "%-50s" "Stopping $NAME"
    if [ -f $PIDFILE ]; then
        for PID in $(cat $PIDFILE); do
            kill -HUP $PID
            printf "%s\n" "Ok"
        done
        rm -f $PIDFILE
        else
            printf "%s\n" "pidfile not found"
        fi
;;
restart)
    $0 stop
    $0 start
;;
*)
        echo "Usage: $0 {status|start|stop|restart}"
        exit 1
esac

Comment by Jaco — Sat Nov 23 08:28:32 2013

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