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path: root/bin/reproducible_build_service.sh
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#!/bin/bash

# Copyright © 2017 Holger Levsen (holger@layer-acht.org)
# released under the GPLv=2

set -e

# those should be global variables
NODE1=""
NODE2=""

#
# this function defines which builds take place on which nodes
#
choose_nodes() {
	case $1 in
		#
		# amd64, i386 and arm64 nodes are chosen in a way that one build always runs
		# on a node running in the future, the other on a node with correct date.
		# armhf builds are distributed by the build capacity of the nodes, see below.
		#
		amd64_1)	NODE1=profitbricks-build1-amd64		NODE2=profitbricks-build5-amd64 ;;
		amd64_2)	NODE1=profitbricks-build5-amd64		NODE2=profitbricks-build1-amd64 ;;
		amd64_3)	NODE1=profitbricks-build1-amd64		NODE2=profitbricks-build15-amd64 ;;
		amd64_4)	NODE1=profitbricks-build15-amd64	NODE2=profitbricks-build1-amd64 ;;
		amd64_5)	NODE1=profitbricks-build11-amd64	NODE2=profitbricks-build5-amd64 ;;
		amd64_6)	NODE1=profitbricks-build5-amd64		NODE2=profitbricks-build11-amd64 ;;
		amd64_7)	NODE1=profitbricks-build11-amd64	NODE2=profitbricks-build15-amd64 ;;
		amd64_8)	NODE1=profitbricks-build15-amd64	NODE2=profitbricks-build11-amd64 ;;
		amd64_9)	NODE1=profitbricks-build1-amd64		NODE2=profitbricks-build5-amd64 ;;
		amd64_10)	NODE1=profitbricks-build5-amd64		NODE2=profitbricks-build1-amd64 ;;
		amd64_11)	NODE1=profitbricks-build1-amd64		NODE2=profitbricks-build15-amd64 ;;
		amd64_12)	NODE1=profitbricks-build15-amd64	NODE2=profitbricks-build1-amd64 ;;
		amd64_13)	NODE1=profitbricks-build11-amd64	NODE2=profitbricks-build5-amd64 ;;
		amd64_14)	NODE1=profitbricks-build5-amd64		NODE2=profitbricks-build11-amd64 ;;
		amd64_15)	NODE1=profitbricks-build11-amd64	NODE2=profitbricks-build15-amd64 ;;
		amd64_16)	NODE1=profitbricks-build15-amd64	NODE2=profitbricks-build11-amd64 ;;
		amd64_17)	NODE1=profitbricks-build1-amd64		NODE2=profitbricks-build5-amd64 ;;
		amd64_18)	NODE1=profitbricks-build5-amd64		NODE2=profitbricks-build1-amd64 ;;
		amd64_19)	NODE1=profitbricks-build1-amd64		NODE2=profitbricks-build15-amd64 ;;
		amd64_20)	NODE1=profitbricks-build15-amd64	NODE2=profitbricks-build1-amd64 ;;
		amd64_21)	NODE1=profitbricks-build11-amd64	NODE2=profitbricks-build5-amd64 ;;
		amd64_22)	NODE1=profitbricks-build5-amd64		NODE2=profitbricks-build11-amd64 ;;
		amd64_23)	NODE1=profitbricks-build11-amd64	NODE2=profitbricks-build15-amd64 ;;
		amd64_24)	NODE1=profitbricks-build15-amd64	NODE2=profitbricks-build11-amd64 ;;
		amd64_25)	NODE1=profitbricks-build1-amd64		NODE2=profitbricks-build5-amd64 ;;
		amd64_26)	NODE1=profitbricks-build5-amd64		NODE2=profitbricks-build1-amd64 ;;
		amd64_27)	NODE1=profitbricks-build1-amd64		NODE2=profitbricks-build15-amd64 ;;
		amd64_28)	NODE1=profitbricks-build15-amd64	NODE2=profitbricks-build1-amd64 ;;
		amd64_29)	NODE1=profitbricks-build11-amd64	NODE2=profitbricks-build5-amd64 ;;
		amd64_30)	NODE1=profitbricks-build5-amd64		NODE2=profitbricks-build11-amd64 ;;
		amd64_31)	NODE1=profitbricks-build11-amd64	NODE2=profitbricks-build15-amd64 ;;
		amd64_32)	NODE1=profitbricks-build15-amd64	NODE2=profitbricks-build11-amd64 ;;
		amd64_33)	NODE1=profitbricks-build1-amd64		NODE2=profitbricks-build5-amd64 ;;
		amd64_34)	NODE1=profitbricks-build5-amd64		NODE2=profitbricks-build1-amd64 ;;
		amd64_35)	NODE1=profitbricks-build1-amd64		NODE2=profitbricks-build15-amd64 ;;
		amd64_36)	NODE1=profitbricks-build15-amd64	NODE2=profitbricks-build1-amd64 ;;
		amd64_37)	NODE1=profitbricks-build11-amd64	NODE2=profitbricks-build5-amd64 ;;
		amd64_38)	NODE1=profitbricks-build5-amd64		NODE2=profitbricks-build11-amd64 ;;
		amd64_39)	NODE1=profitbricks-build11-amd64	NODE2=profitbricks-build15-amd64 ;;
		amd64_40)	NODE1=profitbricks-build15-amd64	NODE2=profitbricks-build11-amd64 ;;
		i386_1)		NODE1=profitbricks-build2-i386	NODE2=profitbricks-build6-i386 ;;
		i386_2)		NODE1=profitbricks-build6-i386	NODE2=profitbricks-build2-i386 ;;
		i386_3)		NODE1=profitbricks-build2-i386	NODE2=profitbricks-build16-i386 ;;
		i386_4)		NODE1=profitbricks-build16-i386	NODE2=profitbricks-build2-i386 ;;
		i386_5)		NODE1=profitbricks-build12-i386	NODE2=profitbricks-build6-i386 ;;
		i386_6)		NODE1=profitbricks-build6-i386	NODE2=profitbricks-build12-i386 ;;
		i386_7)		NODE1=profitbricks-build12-i386	NODE2=profitbricks-build16-i386 ;;
		i386_8)		NODE1=profitbricks-build16-i386	NODE2=profitbricks-build12-i386 ;;
		i386_9)		NODE1=profitbricks-build2-i386	NODE2=profitbricks-build6-i386 ;;
		i386_10)	NODE1=profitbricks-build6-i386	NODE2=profitbricks-build2-i386 ;;
		i386_11)	NODE1=profitbricks-build2-i386	NODE2=profitbricks-build16-i386 ;;
		i386_12)	NODE1=profitbricks-build16-i386	NODE2=profitbricks-build2-i386 ;;
		i386_13)	NODE1=profitbricks-build12-i386	NODE2=profitbricks-build6-i386 ;;
		i386_14)	NODE1=profitbricks-build6-i386	NODE2=profitbricks-build12-i386 ;;
		i386_15)	NODE1=profitbricks-build12-i386	NODE2=profitbricks-build16-i386 ;;
		i386_16)	NODE1=profitbricks-build16-i386	NODE2=profitbricks-build12-i386 ;;
		i386_17)	NODE1=profitbricks-build2-i386	NODE2=profitbricks-build6-i386 ;;
		i386_18)	NODE1=profitbricks-build6-i386	NODE2=profitbricks-build2-i386 ;;
		i386_19)	NODE1=profitbricks-build2-i386	NODE2=profitbricks-build16-i386 ;;
		i386_20)	NODE1=profitbricks-build16-i386	NODE2=profitbricks-build2-i386 ;;
		i386_21)	NODE1=profitbricks-build12-i386	NODE2=profitbricks-build6-i386 ;;
		i386_22)	NODE1=profitbricks-build6-i386	NODE2=profitbricks-build12-i386 ;;
		i386_23)	NODE1=profitbricks-build12-i386	NODE2=profitbricks-build16-i386 ;;
		i386_24)	NODE1=profitbricks-build16-i386	NODE2=profitbricks-build12-i386 ;;
                arm64_1)	NODE1=codethink-sled9-arm64	NODE2=codethink-sled10-arm64 ;;
                arm64_2)	NODE1=codethink-sled9-arm64	NODE2=codethink-sled12-arm64 ;;
                arm64_3)	NODE1=codethink-sled9-arm64	NODE2=codethink-sled14-arm64 ;;
                arm64_4)	NODE1=codethink-sled10-arm64	NODE2=codethink-sled9-arm64 ;;
                arm64_5)	NODE1=codethink-sled12-arm64	NODE2=codethink-sled9-arm64 ;;
                arm64_6)	NODE1=codethink-sled14-arm64	NODE2=codethink-sled9-arm64 ;;
                arm64_7)	NODE1=codethink-sled10-arm64	NODE2=codethink-sled11-arm64 ;;
                arm64_8)	NODE1=codethink-sled10-arm64	NODE2=codethink-sled13-arm64 ;;
                arm64_9)	NODE1=codethink-sled13-arm64	NODE2=codethink-sled10-arm64 ;;
                arm64_10)       NODE1=codethink-sled15-arm64	NODE2=codethink-sled10-arm64 ;;
                arm64_11)       NODE1=codethink-sled12-arm64	NODE2=codethink-sled11-arm64 ;;
                arm64_12)       NODE1=codethink-sled11-arm64	NODE2=codethink-sled14-arm64 ;;
                arm64_13)       NODE1=codethink-sled11-arm64	NODE2=codethink-sled16-arm64 ;;
                arm64_14)       NODE1=codethink-sled11-arm64	NODE2=codethink-sled12-arm64 ;;
                arm64_15)       NODE1=codethink-sled12-arm64	NODE2=codethink-sled15-arm64 ;;
                arm64_16)       NODE1=codethink-sled15-arm64	NODE2=codethink-sled16-arm64 ;;
                arm64_17)       NODE1=codethink-sled13-arm64	NODE2=codethink-sled12-arm64 ;;
                arm64_18)       NODE1=codethink-sled13-arm64	NODE2=codethink-sled14-arm64 ;;
                arm64_19)       NODE1=codethink-sled14-arm64	NODE2=codethink-sled13-arm64 ;;
                arm64_20)       NODE1=codethink-sled16-arm64	NODE2=codethink-sled13-arm64 ;;
                arm64_21)       NODE1=codethink-sled14-arm64	NODE2=codethink-sled15-arm64 ;;
                arm64_22)       NODE1=codethink-sled16-arm64	NODE2=codethink-sled15-arm64 ;;
                arm64_23)       NODE1=codethink-sled16-arm64	NODE2=codethink-sled11-arm64 ;;
                arm64_24)       NODE1=codethink-sled15-arm64	NODE2=codethink-sled16-arm64 ;;
                arm64_25)       NODE1=codethink-sled9-arm64	NODE2=codethink-sled16-arm64 ;;
                arm64_26)       NODE1=codethink-sled16-arm64	NODE2=codethink-sled9-arm64 ;;
                arm64_27)       NODE1=codethink-sled10-arm64	NODE2=codethink-sled15-arm64 ;;
                arm64_28)       NODE1=codethink-sled11-arm64	NODE2=codethink-sled10-arm64 ;;
                arm64_29)       NODE1=codethink-sled12-arm64	NODE2=codethink-sled13-arm64 ;;
                arm64_30)       NODE1=codethink-sled15-arm64	NODE2=codethink-sled12-arm64 ;;
                arm64_31)       NODE1=codethink-sled14-arm64	NODE2=codethink-sled11-arm64 ;;
                arm64_32)       NODE1=codethink-sled13-arm64	NODE2=codethink-sled14-arm64 ;;
		# to choose new armhf jobs:
	        #       for i in cb3a hb0 rpi2b rpi2c wbd0 bpi0 bbx15 cbxi4pro0 ff2a ff2b jtk1a odxu4 odxu4b odxu4c odu3a opi2a opi2b opi2c p64b p64c wbq0 cbxi4a cbxi4b ff4a ; do echo "$i: " ; grep NODE1 bin/reproducible_build_service.sh|grep armhf|grep $i-armhf ; done
	        #       8 jobs for quad-cores with 4 gb ram
	        #       6 jobs for octo-cores with 2 gb ram
	        #       6 jobs for quad-cores with 2 gb ram
	        #       3 jobs for dual-cores with 1 gb ram
	        #       3 jobs for quad-cores with 1 gb ram
                armhf_1)	NODE1=bbx15-armhf-rb		NODE2=odxu4-armhf-rb ;;
                armhf_2)	NODE1=wbq0-armhf-rb		NODE2=p64c-armhf-rb ;;
                armhf_3)	NODE1=hb0-armhf-rb		NODE2=p64b-armhf-rb ;;
                armhf_4)	NODE1=ff4a-armhf-rb		NODE2=wbq0-armhf-rb ;;
                armhf_5)	NODE1=cbxi4pro0-armhf-rb	NODE2=bpi0-armhf-rb ;;
                armhf_6)	NODE1=ff4a-armhf-rb		NODE2=cbxi4pro0-armhf-rb ;;
                armhf_7)	NODE1=wbq0-armhf-rb		NODE2=odxu4-armhf-rb ;;
                armhf_8)	NODE1=hb0-armhf-rb		NODE2=wbq0-armhf-rb ;;
                armhf_9)	NODE1=ff4a-armhf-rb		NODE2=bpi0-armhf-rb ;;
                armhf_10)	NODE1=odxu4-armhf-rb		NODE2=rpi2b-armhf-rb ;;
                armhf_11)	NODE1=odxu4-armhf-rb		NODE2=wbd0-armhf-rb ;;
                armhf_12)	NODE1=wbd0-armhf-rb		NODE2=cbxi4pro0-armhf-rb ;;
                armhf_13)	NODE1=cbxi4pro0-armhf-rb	NODE2=rpi2b-armhf-rb ;;
                armhf_14)	NODE1=cbxi4a-armhf-rb		NODE2=odxu4b-armhf-rb ;;
                armhf_15)	NODE1=rpi2b-armhf-rb		NODE2=odxu4c-armhf-rb ;;
                armhf_16)	NODE1=odxu4b-armhf-rb		NODE2=wbd0-armhf-rb ;;
                armhf_17)	NODE1=odxu4c-armhf-rb		NODE2=hb0-armhf-rb ;;
                armhf_18)	NODE1=odxu4b-armhf-rb		NODE2=odu3a-armhf-rb ;;
                armhf_19)	NODE1=odxu4c-armhf-rb		NODE2=opi2c-armhf-rb ;;
                armhf_20)	NODE1=opi2b-armhf-rb		NODE2=odxu4b-armhf-rb ;;
                armhf_21)	NODE1=ff2a-armhf-rb		NODE2=odxu4c-armhf-rb ;;
                armhf_22)	NODE1=ff2a-armhf-rb		NODE2=rpi2c-armhf-rb ;;
                armhf_23)	NODE1=rpi2c-armhf-rb		NODE2=odxu4b-armhf-rb ;;
                armhf_24)	NODE1=rpi2c-armhf-rb		NODE2=odxu4c-armhf-rb ;;
                armhf_25)	NODE1=odxu4b-armhf-rb		NODE2=ff2b-armhf-rb ;;
                armhf_26)	NODE1=jtk1a-armhf-rb		NODE2=ff2a-armhf-rb ;;
                armhf_27)	NODE1=odxu4c-armhf-rb		NODE2=cbxi4a-armhf-rb ;;
                armhf_28)	NODE1=jtk1a-armhf-rb		NODE2=ff2b-armhf-rb ;;
                armhf_29)	NODE1=ff2b-armhf-rb		NODE2=jtk1a-armhf-rb ;;
                armhf_30)	NODE1=ff2b-armhf-rb		NODE2=cbxi4b-armhf-rb ;;
                armhf_31)	NODE1=ff2b-armhf-rb		NODE2=opi2b-armhf-rb ;;
                armhf_32)	NODE1=jtk1a-armhf-rb		NODE2=cbxi4b-armhf-rb ;;
                armhf_33)	NODE1=ff2a-armhf-rb		NODE2=opi2b-armhf-rb ;;
                armhf_34)	NODE1=cbxi4a-armhf-rb		NODE2=opi2b-armhf-rb ;;
                armhf_35)	NODE1=opi2a-armhf-rb		NODE2=ff2b-armhf-rb ;;
                armhf_36)	NODE1=opi2a-armhf-rb		NODE2=cbxi4a-armhf-rb ;;
                armhf_37)	NODE1=opi2a-armhf-rb		NODE2=wbq0-armhf-rb ;;
                armhf_38)	NODE1=cbxi4b-armhf-rb		NODE2=jtk1a-armhf-rb ;;
                armhf_39)	NODE1=cbxi4b-armhf-rb		NODE2=cbxi4a-armhf-rb ;;
                armhf_40)	NODE1=opi2b-armhf-rb		NODE2=cbxi4b-armhf-rb ;;
                armhf_41)	NODE1=opi2b-armhf-rb		NODE2=cbxi4b-armhf-rb ;;
                armhf_42)	NODE1=cbxi4b-armhf-rb		NODE2=cbxi4a-armhf-rb ;;
                armhf_43)	NODE1=cbxi4a-armhf-rb		NODE2=opi2c-armhf-rb ;;
                armhf_44)	NODE1=bbx15-armhf-rb		NODE2=ff4a-armhf-rb ;;
                armhf_45)	NODE1=ff4a-armhf-rb		NODE2=p64b-armhf-rb ;;
                armhf_46)	NODE1=wbq0-armhf-rb		NODE2=bbx15-armhf-rb ;;
                armhf_47)	NODE1=cbxi4pro0-armhf-rb	NODE2=bbx15-armhf-rb ;;
                armhf_48)	NODE1=bbx15-armhf-rb		NODE2=p64c-armhf-rb ;;
                armhf_49)	NODE1=bpi0-armhf-rb		NODE2=ff4a-armhf-rb ;;
                armhf_50)	NODE1=odxu4-armhf-rb		NODE2=odu3a-armhf-rb ;;
                armhf_51)	NODE1=odu3a-armhf-rb		NODE2=cb3a-armhf-rb ;;
                armhf_52)	NODE1=opi2c-armhf-rb		NODE2=cb3a-armhf-rb ;;
                armhf_53)	NODE1=cb3a-armhf-rb		NODE2=ff4a-armhf-rb ;;
                armhf_54)	NODE1=odu3a-armhf-rb		NODE2=opi2c-armhf-rb ;;
                armhf_55)	NODE1=opi2c-armhf-rb		NODE2=odu3a-armhf-rb ;;
                armhf_56)	NODE1=odu3a-armhf-rb		NODE2=ff2a-armhf-rb ;;
                armhf_57)	NODE1=opi2c-armhf-rb		NODE2=ff2a-armhf-rb ;;
                armhf_58)	NODE1=cbxi4a-armhf-rb		NODE2=p64b-armhf-rb ;;
                armhf_59)	NODE1=jtk1a-armhf-rb		NODE2=p64c-armhf-rb ;;
                armhf_60)	NODE1=cbxi4b-armhf-rb		NODE2=opi2a-armhf-rb ;;
                armhf_61)	NODE1=p64c-armhf-rb		NODE2=opi2a-armhf-rb ;;
                armhf_62)	NODE1=p64b-armhf-rb		NODE2=opi2a-armhf-rb ;;
                armhf_63)	NODE1=p64b-armhf-rb		NODE2=ff4a-armhf-rb ;;
                armhf_64)	NODE1=p64c-armhf-rb		NODE2=bbx15-armhf-rb ;;
                armhf_65)	NODE1=p64b-armhf-rb		NODE2=cbxi4pro0-armhf-rb ;;
                armhf_66)	NODE1=p64c-armhf-rb		NODE2=odxu4-armhf-rb ;;

		*)		echo "Sleeping 60min"
				sleep 60m
				exit 0
				;;
	esac
}

startup_workers() {
	#
	# loop through all archs
	#
	for ARCH in amd64 i386 arm64 armhf ; do
		case $ARCH in
			amd64)	MAX=40 ;;
			i386)	MAX=24 ;;
			arm64)	MAX=32 ;;
			armhf)	MAX=66 ;;
			*)	;;
		esac
		#
		# startup as many workers as defined above
		#
		for i in $(seq 1 $MAX) ; do
			#
		        # sleep up to 2.3 seconds (additionally to the random sleep reproducible_build.sh does anyway)
			#
		        /bin/sleep $(echo "scale=1 ; $(shuf -i 1-23 -n 1)/10" | bc )

			#
			# continue loop if the worker to be started is already running
			#
			WORKER_NAME=${ARCH}_$i
			WORKER_BIN=/srv/jenkins/bin/reproducible_worker.sh
			RUNNING=$(ps fax|grep -v grep|grep "$WORKER_BIN $WORKER_NAME" 2>/dev/null||true)
			if [ ! -z "$RUNNING" ] ; then
				echo "$(date --utc) - '$(basename $WORKER_BIN) $WORKER_NAME' already running, thus moving on to the next."
				continue
			fi

			#
			# actually start the worker
			#
			choose_nodes $WORKER_NAME
			BUILD_BASE=/var/lib/jenkins/userContent/reproducible/debian/build_service/$WORKER_NAME
			mkdir -p $BUILD_BASE
			echo "$(date --utc) - Starting $WORKER_NAME"
			$WORKER_BIN $WORKER_NAME $NODE1 $NODE2 >$BUILD_BASE/worker.log 2>&1 &
		done
	done
}

#
# main, keep running forever…
#
while true ; do
	#
	# this is all we do
	#
	startup_workers
	#
	# now sleep, but allow wakeup calls
	#
	set +e
	sleep 1337m
	set -e
done

# FIXME: TODO left for _service.sh:
# * logs should auto display in browser like with jenkins…
#   - mostly done, except one needs to manually scroll down… (could probably be fixed with javascript…)
# * there's also https://jenkins.debian.net/userContent/reproducible/debian/build_service/amd64_1/worker.log (for all the workers…)
#   - no automatic reload for that yet, though. and not linked anywhere
#   - probably together with build nodes graphs?
# * enabling the service in update_jdn
# * maintenance job might want to:
#   - check for running builds using systemctl show & ps fax
#   - check if at least one build is running on a build node
# * use ExecStop to kill remote builds on shutdown
#   - remove cleanup_nodes.sh once this works
#   - add support for disabling archs and for shutdown+respan of workers
#   - add support for starting/stopping workers for specific archs