Use PID1 to determine which command to use when toggeling services

Signed-off-by: Christian König <github@yubiuser.dev>
This commit is contained in:
Christian König 2025-05-27 20:09:59 +02:00
parent 822e677c5c
commit b707890f10
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@ -228,6 +228,13 @@ is_command() {
command -v "${check_command}" >/dev/null 2>&1
}
is_pid1() {
# Checks to see if the given command runs as PID 1
local is_pid1="$1"
ps -p 1 -o comm= | grep -q "${is_pid1}"
}
# Compatibility
package_manager_detect() {
@ -1152,7 +1159,7 @@ installConfigs() {
fi
# Install pihole-FTL systemd or init.d service, based on whether systemd is the init system or not
if ps -p 1 -o comm= | grep -q systemd; then
if is_pid1 systemd; then
install -T -m 0644 "${PI_HOLE_LOCAL_REPO}/advanced/Templates/pihole-FTL.systemd" '/etc/systemd/system/pihole-FTL.service'
# Remove init.d service if present
@ -1220,9 +1227,12 @@ stop_service() {
# Can softfail, as process may not be installed when this is called
local str="Stopping ${1} service"
printf " %b %s..." "${INFO}" "${str}"
if is_command systemctl; then
# If systemd is PID 1,
if is_pid1 systemd; then
# use that to restart the service
systemctl -q stop "${1}" || true
else
# Otherwise, fall back to the service command
service "${1}" stop >/dev/null || true
fi
printf "%b %b %s...\\n" "${OVER}" "${TICK}" "${str}"
@ -1233,8 +1243,8 @@ restart_service() {
# Local, named variables
local str="Restarting ${1} service"
printf " %b %s..." "${INFO}" "${str}"
# If systemctl exists,
if is_command systemctl; then
# If systemd is PID 1,
if is_pid1 systemd; then
# use that to restart the service
systemctl -q restart "${1}"
else
@ -1249,8 +1259,8 @@ enable_service() {
# Local, named variables
local str="Enabling ${1} service to start on reboot"
printf " %b %s..." "${INFO}" "${str}"
# If systemctl exists,
if is_command systemctl; then
# If systemd is PID1,
if is_pid1 systemd; then
# use that to enable the service
systemctl -q enable "${1}"
else
@ -1265,8 +1275,8 @@ disable_service() {
# Local, named variables
local str="Disabling ${1} service"
printf " %b %s..." "${INFO}" "${str}"
# If systemctl exists,
if is_command systemctl; then
# If systemd is PID1,
if is_pid1 systemd; then
# use that to disable the service
systemctl -q disable "${1}"
else
@ -1277,8 +1287,8 @@ disable_service() {
}
check_service_active() {
# If systemctl exists,
if is_command systemctl; then
# If systemd is PID1,
if is_pid1 systemd; then
# use that to check the status of the service
systemctl -q is-enabled "${1}" 2>/dev/null
else