conorsch/check-qmemman.sh

## check-qmemman.sh
#!/bin/bash
# Utility script to check whether Qubes memory balancing
# service has failed. Compares the timestamps of the last
# success balance operation and the most recent "EOF"
# message available in the log file. If EOF is more
# recent, declare service broken. Recommended invocation:
#
#  watch -n5 ./check-qmemman.sh
#
set -e
set -u
set -o pipefail

get_last_balance_time() {
  grep -P 'balance_when_enough_memory' /var/log/qubes/qmemman.log \
	  | tail -n1 \
	  | perl -nE '/^(\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2},\d+)/ and say $1' \
	  | xargs -d '\n' date +%s -d
}

get_last_eof_time() {
  grep -P 'EOF$' /var/log/qubes/qmemman.log \
	  | tail -n1 \
	  | perl -nE '/^(\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2},\d+)/ and say $1' \
	  | xargs -d '\n' date +%s -d
}


if [[ (( $(get_last_eof_time) > $(get_last_balance_time) )) ]]; then
	echo "Looks like qmembalance has failed."
	echo "You should restarted it with:"
	echo "sudo systemctl restart qubes-qmemman"
	exit 1
else
	echo "The qmembalance service appears to be working correctly."
fi

## fix-qmemman.sh
#!/bin/bash
# Utility script to restart the Qubes memory balancing
# service if it's failed. Depends on another script
# to determine whether it's failed or not.
set -e
set -u
set -o pipefail

if ! test -e check-qmemman.sh ; then
	echo "Could not find check-qmemman.sh script!"
	exit 1
fi

echo "$(date) Begin monitoring qmemman-behavior" >> /tmp/qmemman-check.log
while true; do
	clear
	if ! ./check-qmemman.sh ; then
		echo "$(date) qmemman service failed" >> /tmp/qmemman-check.log
		sudo systemctl restart qubes-qmemman
		echo "$(date) qmemman service restarted" >> /tmp/qmemman-check.log
	fi
	sleep 5
done
	#!/bin/bash
	# Utility script to check whether Qubes memory balancing
	# service has failed. Compares the timestamps of the last
	# success balance operation and the most recent "EOF"
	# message available in the log file. If EOF is more
	# recent, declare service broken. Recommended invocation:
	#
	# watch -n5 ./check-qmemman.sh
	#
	set -e
	set -u
	set -o pipefail

	get_last_balance_time() {
	grep -P 'balance_when_enough_memory' /var/log/qubes/qmemman.log \
	\| tail -n1 \
	\| perl -nE '/^(\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2},\d+)/ and say $1' \
	\| xargs -d '\n' date +%s -d
	}

	get_last_eof_time() {
	grep -P 'EOF$' /var/log/qubes/qmemman.log \
	\| tail -n1 \
	\| perl -nE '/^(\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2},\d+)/ and say $1' \
	\| xargs -d '\n' date +%s -d
	}


	if [[ (( $(get_last_eof_time) > $(get_last_balance_time) )) ]]; then
	echo "Looks like qmembalance has failed."
	echo "You should restarted it with:"
	echo "sudo systemctl restart qubes-qmemman"
	exit 1
	else
	echo "The qmembalance service appears to be working correctly."
	fi
	#!/bin/bash
	# Utility script to restart the Qubes memory balancing
	# service if it's failed. Depends on another script
	# to determine whether it's failed or not.
	set -e
	set -u
	set -o pipefail

	if ! test -e check-qmemman.sh ; then
	echo "Could not find check-qmemman.sh script!"
	exit 1
	fi

	echo "$(date) Begin monitoring qmemman-behavior" >> /tmp/qmemman-check.log
	while true; do
	clear
	if ! ./check-qmemman.sh ; then
	echo "$(date) qmemman service failed" >> /tmp/qmemman-check.log
	sudo systemctl restart qubes-qmemman
	echo "$(date) qmemman service restarted" >> /tmp/qmemman-check.log
	fi
	sleep 5
	done