Commit f05c6f03 authored by Seblu's avatar Seblu
Browse files

checkservice: Introduce new display

parent 53c9e2b7

checkservices

+27 −13
Original line number Diff line number Diff line
@@ -28,10 +28,11 @@ SYSTEMD_CGROUP_BASE_PATH='/sys/fs/cgroup/systemd' 
# colors

if [[ -t 1 ]]; then

	shopt -s xpg_echo

	c_title='\e[1;33m'

	c_arrow='\e[1;34m'

	c_title='\e[1;37m'

	c_svc='\e[1;35m'

	c_warn='\e[5;30;43m'

	c_error='\e[5;30;41m'

	c_error='\e[1;31m'

	c_rst='\e[m'

fi
@@ -66,6 +67,16 @@ usage() { 
	exit 2

}



# print $* as an arrow line

arrow() {

	printf "%b==> %b%s%b\n" "$c_arrow" "$c_title" "$*" "$c_rst"

}



# print $* as an error message

error() {

	printf "%bError: %b%s%b\n" "$c_error" "$c_title" "$*" "$c_rst" >&2

}



# usage : in_array( $needle, $haystack )

# return : 0 - found

#          1 - not found
@@ -116,24 +127,27 @@ shift $((OPTIND - 1)); 
trap '' SIGHUP



# from now, we need to be root

(( $UID != 0 )) && echo 'You need to be root' && exit 1

(( $UID != 0 )) && error 'You need to be root' && exit 1



# call pacdiff

(( $pacdiff )) && pacdiff

(( $pacdiff )) && arrow 'Run pacdiff' && pacdiff



# reload units list

(( $reload )) && systemctl --system daemon-reload

(( $reload )) && arrow 'Reload systemd' && systemctl --system daemon-reload



# list of running services

arrow 'List runnings systemd services'

declare -a services

services=($(systemctl --no-legend --full --type service --state running|cut -f1 -d' '))



# list of bus names

arrow 'List Dbus clients'

declare -a buses

buses=($(dbus-send --system --dest=org.freedesktop.DBus --type=method_call \--print-reply \

/org/freedesktop/DBus org.freedesktop.DBus.ListNames|sed -rn 's/\s*string "(.*)"/\1/p'))



# count beggar services

arrow "Search for updated mapped files"

declare -a needy=() pids=()

declare -i pid=0

for svc in "${services[@]}"; do
@@ -145,19 +159,19 @@ for svc in "${services[@]}"; do 
		"$SYSTEMD_CGROUP_BASE_PATH$unit_path/tasks"; do

		[[ -r "$path" ]] && pidfile="$path" && continue

	done

	[[ -z "$pidfile" ]] && echo "${c_error}** Unable to find pid file for $svc." >&2 && continue

	[[ -z "$pidfile" ]] && error "Unable to find pid file for $svc." && continue

	# skip non system units

	(( $user_slice == 0 )) && [[ "$unit_path" =~ /user\.slice/ ]] && continue

	# parse pidfile

	pids=( $(< "$pidfile") )

	if (( "${#pids[*]}" == 0 )); then

		echo "${c_error}** Unable to get pid of $svc: Tasks file is empty${c_rst}" >&2

		error "Unable to parse pid file for $svc."

		continue

	fi

	for pid in "${pids[@]}"; do

		maps_path="/proc/$pid/maps"

		[[ -e "$maps_path" ]] || {

			echo "${c_error}** Unable to get maps file of $svc for pid $pid${c_rst}" >&2

		[[ -r "$maps_path" ]] || {

			error "Unable to read maps file of $svc for pid $pid."

			continue

		}

		deleted=$(grep -F '(deleted)' "$maps_path" |sed -nr 's|^\S+ ..x. \S+ \S+ \S+ \s+||p'|sort|uniq)
@@ -227,9 +241,9 @@ if (( $restart == 1 && ${#needy[*]} > 0 )) && confirm_restart; then 
		# ensure we are not at 1st infinite loop

		# if we didn't remove a process something wrong happen

		if (( $last_registered_pids_count == ${#registered_pids[*]} )); then

			echo "${c_error}** Unable to wait processes to finish${c_rst}" >&2

			echo "${c_error}** Registered PIDs: ${registered_pids[*]}${c_rst}" >&2

			echo "${c_error}** Running PIDs: ${running_pids[*]}${c_rst}" >&2

			error "Unable to wait processes to finish"

			error "Registered PIDs: ${registered_pids[*]}"

			error "Running PIDs: ${running_pids[*]}"

			break

		fi

	done
@@ -245,6 +259,6 @@ if (( $restart == 1 && ${#needy[*]} > 0 )) && confirm_restart; then 
	fi

fi



(( $failed )) && systemctl --failed --all --no-pager --no-legend --full list-units

(( $failed )) && arrow "List failed units" && systemctl --failed --all --no-pager --no-legend --full list-units



exit 0