nix-git/examples/systemd-units.sh

29 lines
939 B
Bash
Raw Permalink Normal View History

2023-11-15 13:54:37 +01:00
#!/usr/bin/env bash
# Some examples on how to list and iterate over systemd units (e.g. services or timers).
# With an additional example on how to check if one of multiple services is running.
function all_timers(){
# Newline separated list of systemd timers.
timers="$(systemctl list-units --type=timer --plain --quiet | awk '{ print $1 }')"
# For $timer in $timers.
while IFS= read -r timer; do
echo "Timer: ${timer}"
done <<< "${timers}"
}
function btrfs_scrub_timers(){
# Newline separated list of systemd timers which start with `btrfs-scrub`.
timers="$(systemctl list-units --type=timer --plain --quiet | awk '{ print $1 }' | grep '^btrfs-scrub')"
# For $timer in $timers.
while IFS= read -r timer; do
echo "Timer: ${timer}"
done <<< "${timers}"
}
function running_btrfs_scrub(){
systemctl list-units --type=service --plain --quiet | awk '{ print $1 }' | grep '^btrfs-scrub'
}
running_btrfs_scrub