103 lines
2.9 KiB
Bash
103 lines
2.9 KiB
Bash
#!/bin/sh
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# the object is to make a launcher script that works with a command file to determine when to launch the application that it is responsible for
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#DOMAIN=$(pwd |sed "s%/home/nevrax/%%" | sed "s%/.*%%")
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DOMAIN=shard
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#NAME_BASE=$(pwd | sed 's/\/home\/nevrax\///' | sed 's/^.*\///')
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NAME_BASE="$1/$1"
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mkdir $1
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shift
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#if [ _$DOMAIN == _pre_live ]
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# then
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CTRL_FILE=${NAME_BASE}.launch_ctrl
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NEXT_CTRL_FILE=${NAME_BASE}.deferred_launch_ctrl
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#elif [ _$DOMAIN == _pre_pre_live ]
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# then
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# CTRL_FILE=${NAME_BASE}.launch_ctrl
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# NEXT_CTRL_FILE=${NAME_BASE}.deferred_launch_ctrl
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#else
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# CTRL_FILE=${NAME_BASE}_immediate.launch_ctrl
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# NEXT_CTRL_FILE=${NAME_BASE}_waiting.launch_ctrl
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#fi
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STATE_FILE=${NAME_BASE}.state
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START_COUNTER_FILE=${NAME_BASE}.start_count
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CTRL_CMDLINE=$*
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echo
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echo ---------------------------------------------------------------------------------
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echo Starting service launcher
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echo ---------------------------------------------------------------------------------
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printf "%-16s = " CMDLINE ; echo $CTRL_CMDLINE
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printf "%-16s = " CTRL_FILE ; echo $CTRL_FILE
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printf "%-16s = " NEXT_CTRL_FILE ; echo $NEXT_CTRL_FILE
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printf "%-16s = " STATE_FILE ; echo $STATE_FILE
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echo ---------------------------------------------------------------------------------
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echo
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# reinit the start counter
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echo 0 > $START_COUNTER_FILE
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START_COUNTER=0
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echo Press ENTER to launch program
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while true
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do
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# see if the conditions are right to launch the app
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if [ -e $CTRL_FILE ]
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then
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# a control file exists so read it's contents
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CTRL_COMMAND=_$(cat $CTRL_FILE)_
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# do we have a 'launch' command?
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if [ $CTRL_COMMAND == _LAUNCH_ ]
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then
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# update the start counter
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START_COUNTER=$(( $START_COUNTER + 1 ))
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echo $START_COUNTER > $START_COUNTER_FILE
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# big nasty hack to deal with the special cases of ryzom_naming_service and ryzom_admin_service who have badly names cfg files
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for f in ryzom_*cfg
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do
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cp $f $(echo $f | sed "s/ryzom_//")
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done
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# we have a launch command so prepare, launch, wait for exit and do the housekeeping
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echo -----------------------------------------------------------------------
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echo Launching ...
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echo
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printf RUNNING > $STATE_FILE
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$CTRL_CMDLINE
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echo -----------------------------------------------------------------------
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printf STOPPED > $STATE_FILE
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# consume (remove) the control file to allow start once
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rm $CTRL_FILE
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echo Press ENTER to relaunch
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fi
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fi
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# either we haven't launched the app yet or we have launched and it has exitted
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if [ -e $NEXT_CTRL_FILE ]
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then
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# we have some kind of relaunch directive lined up so deal with it
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mv $NEXT_CTRL_FILE $CTRL_FILE
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else
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# give the terminal user a chance to press enter to provoke a re-launch
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HOLD=HOLD
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read -t2 HOLD
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if [ _${HOLD}_ != _HOLD_ ]
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then
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printf LAUNCH > $CTRL_FILE
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fi
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fi
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done
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