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systemd_mem: add env option to monitor all services

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Andreas Perhab 2021-10-14 14:34:35 +02:00 • committed by Lars Kruse
parent b44d8093b9
commit b21206c68c
1 changed files with 20 additions and 4 deletions
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24
plugins/systemd/systemd_mem
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@ -15,13 +15,20 @@ Example:
env.services defaults to "munin-node". env.services defaults to "munin-node".
As an alternative you can use all_services to display memory for all running systemd services
[systemd_mem]
env.all_services true
all_services shows memory for all running units of type service.
=head1 VERSION =head1 VERSION
1.0 1.1
=head1 AUTHOR =head1 AUTHORS
Paul Alexandrow <paul@alexandrow.org> Paul Alexandrow <paul@alexandrow.org>
Andreas Perhab <a.perhab@wtioit.at>
=head1 LICENSE =head1 LICENSE
@ -51,13 +58,22 @@ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SO
. "$MUNIN_LIBDIR/plugins/plugin.sh" . "$MUNIN_LIBDIR/plugins/plugin.sh"
for_services() {
if [ "$all_services" != "" ]; then
systemctl --type=service --state=running --no-pager --no-legend --output=short-precise \
| awk '{sub(".service$", "", $1); print $1}'
else
echo ${services:-"munin-node"}
fi
}
output_config() { output_config() {
echo "graph_title Systemd Service Memory Usage" echo "graph_title Systemd Service Memory Usage"
echo "graph_info Memory usage for selected services as reported by systemctl" echo "graph_info Memory usage for selected services as reported by systemctl"
echo "graph_vlabel bytes" echo "graph_vlabel bytes"
echo "graph_args --base 1024 --lower-limit 0" echo "graph_args --base 1024 --lower-limit 0"
echo "graph_category memory" echo "graph_category memory"
for service in ${services:-"munin-node"}; do for service in $(for_services); do
clean_name="$(clean_fieldname "$service")" clean_name="$(clean_fieldname "$service")"
description=$(systemctl show "$service" --property=Description | cut -d '=' -f 2) description=$(systemctl show "$service" --property=Description | cut -d '=' -f 2)
warning=$(systemctl show "$service" --property=MemoryHigh | cut -d '=' -f 2) warning=$(systemctl show "$service" --property=MemoryHigh | cut -d '=' -f 2)
@ -77,7 +93,7 @@ output_config() {
} }
output_values() { output_values() {
for service in ${services:-"munin-node"}; do for service in $(for_services); do
clean_name="$(clean_fieldname "$service")" clean_name="$(clean_fieldname "$service")"
usage=$(systemctl show "$service" --property=MemoryCurrent | cut -d '=' -f 2) usage=$(systemctl show "$service" --property=MemoryCurrent | cut -d '=' -f 2)
if [ "$usage" = "[not set]" ]; then if [ "$usage" = "[not set]" ]; then