nut: initscripts hotplug: Fix many small semantic issues

Small but important tweaks to fix the operation of the nut initscripts
and hotplug scripts.  All hail shellcheck and proofreading and
dogfooding.

Signed-off-by: Daniel F. Dickinson <cshored@thecshore.com>
This commit is contained in:
Daniel F. Dickinson 2019-01-16 07:09:13 -05:00
parent e549c53f36
commit d7db15459f
11 changed files with 166 additions and 126 deletions

View File

@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
PKG_NAME:=nut
PKG_VERSION:=2.7.4
PKG_RELEASE:=14
PKG_RELEASE:=15
PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
PKG_SOURCE_URL:=http://www.networkupstools.org/source/2.7/
@ -73,12 +73,12 @@ define Package/nut-server/install
$(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/share/nut/cmdvartab $(1)/usr/share/nut/
$(INSTALL_DIR) $(1)/etc/config
$(INSTALL_CONF) ./files/nut_server $(1)/etc/config/nut_server
ln -sf /var/etc/nut/upsd.users $(1)/etc/nut/upsd.users
ln -sf /var/etc/nut/upsd.conf $(1)/etc/nut/upsd.conf
ln -sf ../../var/etc/nut/upsd.users $(1)/etc/nut/upsd.users
ln -sf ../../var/etc/nut/upsd.conf $(1)/etc/nut/upsd.conf
# Driver common portion
$(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/sbin/upsdrvctl $(1)/usr/sbin
$(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/share/nut/driver.list $(1)/usr/share/nut/
ln -sf /var/etc/nut/ups.conf $(1)/etc/nut/ups.conf
ln -sf ../../var/etc/nut/ups.conf $(1)/etc/nut/ups.conf
# Mangle libhid.usermap into a format (hotplug shell script) useful for OpenWrt
$(INSTALL_DIR) $(1)/etc/hotplug.d/usb
$(INSTALL_DIR) $(1)/etc/hotplug.d/tty
@ -376,10 +376,10 @@ define DriverPackage
# new version of nut we will need to provide descriptions for any new
# drivers.
define Package/nut-driver-$(2)/description
endef
define Package/nut-driver-$(2)/install
$(INSTALL_DIR) $$(1)/lib/nut
$(INSTALL_DIR) $$(1)/lib/nut
$(CP) $$(PKG_INSTALL_DIR)/lib/nut/$(2) $$(1)/lib/nut/
$(if $(filter $(2),clone),$(CP) $$(PKG_INSTALL_DIR)/lib/nut/$(2)-outlet $$(1)/lib/nut/)
endef

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@ -1,7 +1,5 @@
#!/bin/sh
. /lib/functions.sh
nut_driver_config() {
local cfg="$1"
local nomatch="$2"
@ -10,23 +8,19 @@ nut_driver_config() {
config_get vendorid "$cfg" vendorid
config_get productid "$cfg" productid
[ "$ACTION" = "add" ] &&[ -n "$DEVNAME" ] && {
[ "$ACTION" = "add" ] && [ -n "$DEVNAME" ] && {
chmod 0660 /dev/"$DEVNAME"
chown ${runas:-root}:$(id -gn "${runas:-root}") /dev/"$DEVNAME"
chown "${runas:-root}":"$(id -gn "${runas:-root}")" /dev/"$DEVNAME"
}
if [ "$nomatch" = "1" ]; then
[ "$ACTION" = "add" ] && {
/etc/init.d/nut-server start "$cfg"
}
[ "$ACTION" = "remove" ] && {
/etc/init.d/nut-server stop "$cfg"
}
elif [ "$(printf "%04x" 0x"$pvendid")" = "$vendorid" ] && \
[ "$(printf "%04x" 0x"$pprodid")" = "$productid" ]; then
[ "$ACTION" = "add" ] && {
/etc/init.d/nut-server start "$cfg"
/etc/init.d/nut-server reload upsd
}
[ "$ACTION" = "remove" ] && {
/etc/init.d/nut-server stop "$cfg"
@ -36,6 +30,8 @@ nut_driver_config() {
}
perform_libhid_action() {
. /lib/functions.sh
local vendorid productid runas
local pvendid pprodid found
@ -47,6 +43,7 @@ perform_libhid_action() {
config_load nut_server
config_foreach nut_driver_config driver 0
[ "$found" != "1" ] && config_foreach nut_driver_config driver 1
/etc/init.d/nut-server start upsd
}
[ -n "$PRODUCT" ] && case "$PRODUCT" in

View File

@ -1,5 +1,5 @@
"")
[ ! -f /var/run/nut/disable-hotplug ] && \
[ -f /var/run/nut/disable-hotplug ] || \
/etc/init.d/nut-server enabled && perform_libhid_action
;;
esac

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@ -4,7 +4,8 @@
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
START=60
START=87
STOP=23
USE_PROCD=1
DEFAULT=/etc/default/nut
@ -17,11 +18,11 @@ nut_upscgi_upsset() {
config_get_bool enable "$cfg" enable 0
[ $enable -eq 1 ] && {
if [ "$enable" -eq 1 ]; then
ln -sf /etc/nut/upsset.conf.enable "$UPSCGI_S"
} || {
else
ln -sf /etc/nut/upsset.conf.disable "$UPSCGI_S"
}
fi
}
nut_upscgi_add() {

View File

@ -1,6 +1,7 @@
#!/bin/sh /etc/rc.common
START=51
START=82
STOP=28
USE_PROCD=1
UPSMON_C=/var/etc/nut/upsmon.conf
@ -12,7 +13,7 @@ nut_upsmon_conf() {
config_get RUNAS "$cfg" runas "nutmon"
[ -n "$RUNAS" ] && echo "RUN_AS_USER $RUNAS" >> "$UPSMON_C"
runas=$RUNAS
runas="$RUNAS"
config_get val "$cfg" minsupplies 1
echo "MINSUPPLIES $val" >> "$UPSMON_C"
@ -86,16 +87,18 @@ nut_upsmon_conf() {
val=""
config_list_foreach "$cfg" defaultnotify notifylist
default="$optval"
echo "NOTIFYFLAG ONLINE $(setnotify "$cfg" onlinenotify)" >> "$UPSMON_C"
echo "NOTIFYFLAG ONBATT $(setnotify "$cfg" onbattnotify)" >> "$UPSMON_C"
echo "NOTIFYFLAG LOWBATT $(setnotify "$cfg" lowbatnotify)" >> "$UPSMON_C"
echo "NOTIFYFLAG FSD $(setnotify "$cfg" fsdnotify)" >> "$UPSMON_C"
echo "NOTIFYFLAG COMMOK $(setnotify "$cfg" commoknotify)" >> "$UPSMON_C"
echo "NOTIFYFLAG COMMBAD $(setnotify "$cfg" commbadnotify)" >> "$UPSMON_C"
echo "NOTIFYFLAG SHUTDOWN $(setnotify "$cfg" shutdownnotify)" >> "$UPSMON_C"
echo "NOTIFYFLAG REPLBATT $(setnotify "$cfg" repolbattnotify)" >> "$UPSMON_C"
echo "NOTIFYFLAG NOCOMM $(setnotify "$cfg" nocommnotify)" >> "$UPSMON_C"
echo "NOTIFYFLAG NOPARENT $(setnotify "$cfg" noparentnotify)" >> "$UPSMON_C"
{
echo "NOTIFYFLAG ONLINE $(setnotify "$cfg" onlinenotify)" ; \
echo "NOTIFYFLAG ONBATT $(setnotify "$cfg" onbattnotify)" ; \
echo "NOTIFYFLAG LOWBATT $(setnotify "$cfg" lowbatnotify)" ; \
echo "NOTIFYFLAG FSD $(setnotify "$cfg" fsdnotify)" ; \
echo "NOTIFYFLAG COMMOK $(setnotify "$cfg" commoknotify)" ; \
echo "NOTIFYFLAG COMMBAD $(setnotify "$cfg" commbadnotify)" ; \
echo "NOTIFYFLAG SHUTDOWN $(setnotify "$cfg" shutdownnotify)" ; \
echo "NOTIFYFLAG REPLBATT $(setnotify "$cfg" repolbattnotify)" ; \
echo "NOTIFYFLAG NOCOMM $(setnotify "$cfg" nocommnotify)" ; \
echo "NOTIFYFLAG NOPARENT $(setnotify "$cfg" noparentnotify)" ; \
} >> "$UPSMON_C"
config_get val "$cfg" rbwarntime 43200
echo "RBWARNTIME $val" >> "$UPSMON_C"
@ -145,7 +148,7 @@ nut_upsmon_add() {
}
build_config() {
local runas
local runas=nutmon
mkdir -m 0750 -p "$(dirname "$UPSMON_C")"
config_load nut_monitor
@ -153,14 +156,14 @@ build_config() {
config_foreach nut_upsmon_add master master
config_foreach nut_upsmon_add slave slave
[ ! -s "$(cat /var/etc/nut/nut.conf)" ] && {
[ ! -s /var/etc/nut/nut.conf ] && {
echo "MODE=netclient" >>/var/etc/nut/nut.conf
chmod 640 /var/etc/nut/nut.conf
chgrp $(id -gn ${runas:-root}) /var/etc/nut/nut.conf
chgrp "$(id -gn "${runas:-nutmon}")" /var/etc/nut/nut.conf
}
[ -s "$UPSMON_C" ] && chmod 640 "$UPSMON_C"
[ -s "$UPSMON_C" ] && chgrp $(id -gn ${runas:-root}) "$UPSMON_C"
[ -s "$UPSMON_C" ] && chgrp "$(id -gn "${runas:-nutmon}")" "$UPSMON_C"
}
interface_triggers() {
@ -169,19 +172,19 @@ interface_triggers() {
config_get triggerlist "upsmon" triggerlist
. /lib/functions/network.sh
. "${IPKG_INSTROOT}"/lib/functions/network.sh
if [ -n "$triggerlist" ]; then
for trigger in $triggerlist; do
if [ "$action" = "add_trigger" ]; then
procd_add_interface_trigger "interface.*" "$trigger" /etc/init.d/nut-monitor reload
procd_add_interface_trigger "interface.*" "$trigger" /etc/init.d/nut-monitor restart
else
network_is_up "$trigger" && return 0
fi
done
else
if [ "$action" = "add_trigger" ]; then
procd_add_raw_trigger "interface.*.up" 2000 /etc/init.d/nut-monitor reload
procd_add_raw_trigger "interface.*.up" 2000 /etc/init.d/nut-monitor restart
else
ubus call network.device status | grep -q '"up": true' && return 0
fi
@ -193,16 +196,26 @@ start_service() {
local havemon havems
build_config
[ "$havemon" != 1 ] && return
[ "$havems" != 1 ] && return
interface_triggers "check_interface_up" || return
[ "$havemon" != 1 ] && return 1
[ "$havems" != 1 ] && return 1
interface_triggers "check_interface_up" || return 0
procd_open_instance "upsmon"
procd_set_param respawn
procd_set_param stderr 0
procd_set_param stdout 1
procd_set_param respawn 10 20 6
procd_set_param stderr 1
procd_set_param stdout 0
procd_set_param command /usr/sbin/upsmon -D
procd_close_instance
return 0
}
restart() {
trap '' TERM
stop "$@"
sleep 2
trap - TERM
start "$@"
}
reload_service() {
@ -210,14 +223,12 @@ reload_service() {
build_config
/usr/sbin/upsmon -c reload
else
stop
sleep 2
start_service
restart
fi
}
service_triggers() {
confg_load nut_monitor
config_load nut_monitor
interface_triggers "add_trigger"
procd_add_reload_trigger "nut_monitor"
}

View File

@ -1,6 +1,7 @@
#!/bin/sh
/usr/sbin/sendmail root <<EOF
{
exec /usr/sbin/sendmail root <<EOF
From: root
To: root
Subject: UPS $NOTIFYTYPE Notification
@ -8,3 +9,4 @@ Subject: UPS $NOTIFYTYPE Notification
$1
.
EOF
} &

View File

@ -1,6 +1,6 @@
#!/bin/sh
. /lib/functions.sh
. "${IPKG_INSTROOT}"/lib/functions.sh
REMOVEDEFAULTNOTIFY=0
SKIPADDSYSLOG=0

View File

@ -4,7 +4,8 @@
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
START=50
START=70
STOP=30
USERS_C=/var/etc/nut/upsd.users
UPSD_C=/var/etc/nut/upsd.conf
@ -31,20 +32,18 @@ get_write_driver_config() {
}
upsd_statepath() {
local cfg="$1"
local statepath
config_get statepath "$cfg" statepath "/var/run/nut"
config_get statepath upsd statepath /var/run/nut
STATEPATH="$statepath"
}
upsd_runas() {
local cfg="$1"
local runas
[ -n "$RUNAS" ] && return
[ -n "$RUNAS" ] && return 0
config_get runas "$cfg" runas "nut"
config_get runas upsd runas nut
RUNAS="$runas"
}
@ -62,10 +61,10 @@ upsd_config() {
# Note runas support requires you make sure USB device file is readable by
# the runas user
config_get runas "$cfg" runas "nut"
config_get runas "$cfg" runas nut
RUNAS="$runas"
config_get statepath "$cfg" statepath "/var/run/nut"
config_get statepath "$cfg" statepath /var/run/nut
STATEPATH="$statepath"
config_get maxage "$cfg" maxage
@ -111,7 +110,8 @@ nut_user_add() {
}
build_server_config() {
mkdir -m 0755 -p "$(dirname "$UPSD_C")"
mkdir -p "$(dirname "$UPSD_C")"
chmod 0640 "$UPS_C"
rm -f "$USERS_C"
rm -f "$UPSD_C"
rm -f /var/etc/nut/nut.conf
@ -129,13 +129,14 @@ build_server_config() {
chmod 0644 /var/etc/nut/nut.conf
[ -d "${STATEPATH}" ] || {
mkdir -m 0750 -p "${STATEPATH}"
mkdir -p "${STATEPATH}"
chmod 0750 "${STATEPATH}"
}
if [ -n "$RUNAS" ]; then
chown $RUNAS:$(id -gn $RUNAS) "${STATEPATH}"
chgrp $(id -gn $RUNAS) "$USERS_C"
chgrp $(id -gn $RUNAS) "$UPSD_C"
chown "$RUNAS":"$(id -gn "$RUNAS")" "${STATEPATH}"
chgrp "$(id -gn "$RUNAS")" "$USERS_C"
chgrp "$(id -gn "$RUNAS")" "$UPSD_C"
fi
haveserver=1
}
@ -179,6 +180,7 @@ build_driver_config() {
local overvar="$1"
local defover="$2"
local overtype="$(echo "$overvar" | tr '.' '_')"
local overval
config_get overval "${defover}_${overtype}" value
[ -n "$overval" ] && echo "${defover}.${overvar} = $overval" >>"$UPS_C"
@ -190,6 +192,7 @@ build_driver_config() {
other() {
local othervar="$1"
local othervarflag="$2"
local otherval
if [ "$othervarflag" = "otherflag" ]; then
config_get_bool otherval "${othervarflag}_${othervar}" value
@ -217,29 +220,28 @@ build_global_driver_config() {
get_write_driver_config "$cfg" retrydelay
get_write_driver_config "$cfg" pollinterval
get_write_driver_config "$cfg" synchronous
config_get runas "$cfg" user "nut"
config_get runas "$cfg" user nut
RUNAS="$runas"
upsd_runas
echo "" >>$UPS_C
echo "" >>"$UPS_C"
}
build_config() {
local STATEPATH=/var/run/nut
mkdir -m 0755 -p "$(dirname "$UPS_C")"
mkdir -p "$(dirname "$UPS_C")"
rm -f "$UPS_C"
echo "# Config file automatically generated from UCI config" > "$UPS_C"
chmod 0640 "$UPS_C"
config_load nut_server
config_foreach upsd_statepath upsd
upsd_runas
config_foreach build_global_driver_config driver_global
config_foreach build_driver_config driver
[ -n "$RUNAS" ] && chgrp $(id -gn $RUNAS) "$UPS_C"
upsd_statepath
build_server_config
[ -n "$RUNAS" ] && chgrp "$(id -gn "$RUNAS")" "$UPS_C"
}
start_driver_instance() {
@ -252,22 +254,26 @@ start_driver_instance() {
[ "$havedriver" != 1 ] && return
# If wanting a specific instance, only start it
[ "$requested" != "$cfg" ] && [ x"$requested" != x ] && return 0
if [ "$requested" != "$cfg" ] && [ "$request" != "" ]; then
return 0
fi
mkdir -m 0755 -p "$(dirname "$UPS_C")"
mkdir -p "$(dirname "$UPS_C")"
chmod 0755 "$UPS_C"
[ ! -s "$UPS_C" ] && build_config
upsd_statepath
build_config
# Avoid hotplug inadvertenly restarting driver during
# forced shutdown
[ -f /var/run/killpower ] && return 0
[ -d /var/run/nut ] && [ -f /var/run/nut/disable-hotplug ] && return 0
config_foreach upsd_statepath upsd
if [ -d /var/run/nut ] && [ -f /var/run/nut/disable-hotplug ]; then
return 0
fi
if [ -n "$RUNAS" ]; then
chown $RUNAS:$(id -gn $RUNAS) "${STATEPATH}"
chown "$RUNAS":"$(id -gn "$RUNAS")" "${STATEPATH}"
chgrp "$(id -gn "$RUNAS")" "$UPS_C"
fi
config_get driver "$cfg" driver "usbhid-ups"
@ -275,7 +281,7 @@ start_driver_instance() {
procd_set_param respawn
procd_set_param stderr 0
procd_set_param stdout 1
procd_set_param command /lib/nut/${driver} -D -a "$cfg" ${RUNAS:+-u $RUNAS}
procd_set_param command /lib/nut/"${driver}" -D -a "$cfg" ${RUNAS:+-u "$RUNAS"}
procd_close_instance
}
@ -283,7 +289,7 @@ interface_triggers() {
local action="$1"
local triggerlist trigger
config_get triggerlist "upsd" triggerlist
config_get triggerlist upsd triggerlist
. /lib/functions/network.sh
@ -306,43 +312,47 @@ interface_triggers() {
}
start_server_instance() {
local RUNAS=nut
build_config
local cfg="$1"
[ "$haveserver" != 1 ] && return
interface_triggers "check_interface_up" || return
procd_open_instance "upsd"
procd_open_instance "$cfg"
procd_set_param respawn
procd_set_param stderr 0
procd_set_param stdout 1
procd_set_param command /usr/sbin/upsd -D ${RUNAS:+-u $RUNAS}
procd_set_param command /usr/sbin/upsd -D ${RUNAS:+-u "$RUNAS"}
procd_close_instance
}
start_service() {
local havedriver haveserver
local STATEPATH=/var/run/nut
# Avoid hotplug inadvertenly restarting driver during
# forced shutdown
[ -f /var/run/killpower ] && return 0
[ -f /var/run/nut/disable-hotplug ] && return 0
config_load nut_server
build_config
config_foreach start_driver_instance driver "$@"
start_server_instance "upsd"
case $@ in
"")
config_foreach start_driver_instance driver "$@"
start_server_instance upsd
;;
*upsd*)
start_server_instance upsd
;;
*)
config_foreach start_driver_instance driver "$@"
;;
esac
}
reload_service() {
stop
stop_service "$@"
sleep 2
local havedriver haveserver
start
start_service "$@"
}
service_triggers() {

View File

@ -2,20 +2,33 @@
nut_serial() {
local cfg="$cfg"
config_get runas upsd runas "nut"
local runas enable_usb_serial port
config_get_bool enable_usb_serial "$cfg" enable_usb_serial 0
}
config_get port "$cfg" port
config_get runas "$cfg" runas "nut"
[ "$ACTION" = "add" ] && [ -n "$DEVNAME" ] && [ -z "${DEVNAME%ttyUSB*}" ] && {
config load nut_server
config_foreach nut_serial driver
[ -z "$RUNAS" ] && {
RUNAS="$runas"
}
[ -z "$runas" ] && config_get runas upsd runas "nut"
[ "$enable_usb_serial" -eq 1 ] && {
chown "${RUNAS:-nut}" /dev/$DEVNAME
chmod g+rw /dev/$DEVNAME
# If port is specified only change tty's matching port
if [ -n "$port" ] && [ "$port" != /dev/"$DEVNAME" ]; then
return 0
fi
[ -n "$runas" ] && chgrp "$(id -gn "${runas}")" /dev/"$DEVNAME"
chmod g+rw /dev/"$DEVNAME"
}
}
nut_on_hotplug_add() {
. "${IPKG_INSTROOT}"/lib/functions.sh
config load nut_server
config_foreach nut_serial driver
}
[ "$ACTION" = "add" ] && [ -n "$DEVNAME" ] && {
# On add of a serial port with name ttyUSB*
[ -z "${DEVNAME%ttyUSB*}" ] && nut_on_hutplug_add
# On add of a serial port with name ttyAMA*
[ -z "${DEVNAME%ttyAMA*}" ] && nut_on_hutplug_add
}

View File

@ -4,6 +4,7 @@
#config driver 'upsname'
# option driver usbhid-ups
# option port auto
# option enable_usb_serial 0
#config user
# option username upsuser

View File

@ -4,11 +4,6 @@
# See /LICENSE for more information.
#
. /lib/functions.sh
mount -o remount,ro /overlay /overlay
mount -o remount,ro / /
stop_instance() {
/etc/init.d/nut-server stop "$1"
}
@ -16,29 +11,39 @@ stop_instance() {
shutdown_instance() {
local cfg="$1"
config_get driver "$cfg" driver "usbhid-ups"
# Only FSD if killpower was indicated
if [ -f /var/run/killpower ]; then
/lib/nut/${driver} -a "$cfg" -k
/lib/nut/"${driver}" -a "$cfg" -k
fi
}
if [ -f /var/run/killpower ]; then
if [ -f /etc/config/nut_server ]; then
config_load nut_server
do_fsd() {
if [ -f /var/run/killpower ]; then
# Only make FS readonly if we are doing an FSD
mount -o remount,ro /overlay /overlay
mount -o remount,ro / /
# Can't FSD unless drivers are stopped
config_foreach stop_instance driver
# Driver will wait 'offdelay' before shutting down
config_foreach shutdown_instance driver
# So this can happen
poweroff
# And just in case
sleep 120
# Uh-oh failed to poweroff UPS
reboot -f
. ${IPKG_INSTOOT}/lib/functions.sh
if [ -f /etc/config/nut_server ]; then
config_load nut_server
# Can't FSD unless drivers are stopped
config_foreach stop_instance driver
# Driver will wait 'offdelay' before shutting down
config_foreach shutdown_instance driver
# So this can happen
rm -f /var/run/killpower
poweroff
# And just in case
sleep 120
# Uh-oh failed to poweroff UPS
reboot -f
else
poweroff
fi
else
poweroff
fi
else
poweroff
fi
}