openwrt-packages/net/radicale/files/radicale.init

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#!/bin/sh /etc/rc.common
# Copyright (C) 2006-2015 OpenWrt.org
START=80
STOP=10
CFGDIR=/var/etc/radicale
SYSCFG=$CFGDIR/config
LOGCFG=$CFGDIR/logging
DATADIR="/srv/radicale"
LOGDIR=""
PGREP="ps | grep '[p]ython.*[r]adicale' 2>/dev/null | awk '{print \$1}' "
# we could start with empty configuration file using defaults
[ -f /etc/config/radicale ] || touch /etc/config/radicale
_uci2radicale() {
local _SYSTMP="$SYSCFG.tmp"
local _LOGTMP="$LOGCFG.tmp"
local _LOPT # list option name
local _LVAL # list option value
local _STYPE # section type
local _SNAME # section name
local _console_level="ERROR" # logging console level
local _file_level="INFO" # logging file level
local _file_path="/var/log/radicale" # logging file path
local _file_maxbytes="8196" # logging file maxBytes
local _file_backupcount="1" # logging file backupCount
local _syslog_level="WARNING" # logging syslog level
# write list values to config
_write_list() {
_write_value "$_LOPT" "$_LVAL" # there might be spaces in _LVAL
_LOPT=""
_LVAL=""
}
_write_value() {
# $1 option
# $2 value
local __OPT=$1
local __VAL=$2
# section "server" ignore option "daemon" and "pid"
[ "$_SNAME" = "server" -a "$__OPT" = "daemon" ] && return 0
[ "$_SNAME" = "server" -a "$__OPT" = "pid" ] && return 0
# section "logging" ignore option "config" (logging config file)
[ "$_SNAME" = "logging" -a "$__OPT" = "config" ] && return 0
# section "auth" ignore option "htpasswd_filename" (htpasswd file)
[ "$_SNAME" = "auth" -a "$__OPT" = "htpasswd_filename" ] && return 0
# section "rights" ignore option "file" (reg-based rights file)
[ "$_SNAME" = "rights" -a "$__OPT" = "file" ] && return 0
# section "headers" replace "_" with "-" in option (UCI problem)
[ "$_SNAME" = "headers" ] && __OPT=$(echo "$__OPT" | sed -e "s#_#-#g")
# save data driectory
[ "$_SNAME" = "storage" -a "$__OPT" = "filesystem_folder" ] && DATADIR="$__VAL"
# special handling for well-known, value needs single quotes
[ "$_SNAME" = "well-known" -a "${__VAL#*\%\(}" != "$__VAL" ] && __VAL="'$__VAL'"
# handling of log settings
if [ "$_STYPE" = "logging" -a "$_SNAME" = "logger" ]; then
eval "_$__OPT='$__VAL'" # set to environment for later use
else
# handle bool
[ "$__VAL" = "0" ] && __VAL="False"
[ "$__VAL" = "1" ] && __VAL="True"
# append data to the corresponding section
sed -i "/\[$_SNAME\]/a $__OPT = $__VAL" $_SYSTMP
fi
}
# redefined callback for sections when calling config_load
config_cb() {
# $1 "Type"
# $2 "Name"
# write out last list option
[ -n "$_LOPT" ] && _write_list
# mark invalid
_STYPE=""
_SNAME=""
# check section type
[ "$1" = "setting" -o "$1" = "logging" ] && {
_STYPE="$1"
_SNAME="$2"
}
# translate section name
[ "$2" = "well_known" ] && _SNAME="well-known"
return 0
}
# redefined callback for lists when calling config_load
list_cb() {
# $1 name of variable
# $2 value
# invalid section type then ignore
[ -z "$_STYPE" -o -z "$_SNAME" ] && return 0
# write out last list option if new list starts
[ -n "$_LOPT" -a "$_LOPT" != "$1" ] && _write_list
# new list option
if [ -z "$_LOPT" ]; then
_LOPT="$1"
_LVAL="$2"
else
_LVAL="$_LVAL, $2"
fi
return 0
}
# redefined callback for options when calling config_load
option_cb() {
# $1 name of variable
# $2 value
local __OPT="$1"
local __VAL="$2"
# invalid section type then ignore
[ -z "$_STYPE" -o -z "$_SNAME" ] && return 0
# ignore list entrys will be handled by list_cb()
[ "${__OPT#*_ITEM}" != "$__OPT" ] && return 0 # ignore lists *_ITEM*
[ "${__OPT#*_LENGTH}" != "$__OPT" ] && return 0 # ignore lists *_LENGTH
# write out last list option and clear
[ -n "$_LOPT" ] && _write_list
# write to file
_write_value "$__OPT" "$__VAL" # there might be spaces in __VAL
return 0
}
# temporary config file
# radicale need read access
mkdir -m0755 -p $CFGDIR
cp /etc/radicale/config.template $_SYSTMP
config_load radicale # calling above config_cb()/option_cb()/list_cb() and write into $_SYSTMP
sed -i "/\[logging\]/a config = /var/etc/radicale/logging" $_SYSTMP # hard-code logging config
sed -i "/\[auth\]/a htpasswd_filename = /etc/radicale/users" $_SYSTMP # hard-code htpasswd
sed -i "/\[rights\]/a file = /etc/radicale/rights" $_SYSTMP # hard-code regexp-based rights
# temporary logging config file
cp /etc/radicale/logging.template $_LOGTMP
LOGDIR="$_file_path"
sed -i "/\[handler_console\]/a level = $_console_level" $_LOGTMP
sed -i "/\[handler_file\]/a level = $_file_level" $_LOGTMP
sed -i "/\[handler_file\]/a args = ('$_file_path/radicale','a',$_file_maxbytes,$_file_backupcount)" $_LOGTMP
sed -i "/\[handler_syslog\]/a level = $_syslog_level" $_LOGTMP
# move tmp to final
mv -f $_SYSTMP $SYSCFG
mv -f $_LOGTMP $LOGCFG
}
_set_permission() {
# config file permissions (read access for group)
chmod 644 $SYSCFG $LOGCFG
chgrp -R radicale $CFGDIR
# log directory (full access and owner)
[ -d $LOGDIR ] || mkdir -m0755 -p $LOGDIR
chown -R radicale:radicale $LOGDIR
# data directory does not exist
[ -d $DATADIR ] || {
logger -p user.error -t "radicale[----]" "Data directory '$DATADIR' does not exists. Startup failed !!!"
exit 1
}
chgrp -R radicale $DATADIR
}
boot() {
return 0 # will be started by "iface" hotplug events
}
start() {
_running() {
sleep 2 # give radicale time to completely come up
local _PID=$(eval "$PGREP")
kill -1 $_PID 2>/dev/null
[ $? -eq 0 ] \
&& logger -p user.notice -t "radicale[$_PID]" "Service started successfully"\
|| logger -p user.warn -t "radicale[----]" "Service failed to start"
}
# if already running do nothing
local _PID=$(eval "$PGREP")
kill -1 $_PID 2>/dev/null && return 0
_uci2radicale
_set_permission
radicale --daemon --config=$SYSCFG
_running & # check if running and syslog
return 0
}
reload() {
# reload is also used by luci
local _PID=$(eval "$PGREP")
kill -1 $_PID 2>/dev/null
if [ $? -eq 0 ]; then
# only restart if already running
restart
else
# only start if enabled
enabled && start
fi
return 0
}
stop() {
local _PID=$(eval "$PGREP")
[ -z "$_PID" ] && return 0 # not running
kill -15 $_PID 2>/dev/null
sleep 3 # give time to shutdown
local _tmp=$(eval "$PGREP")
if [ -z "$_tmp" ]; then
logger -p user.notice -t "radicale[$_PID]" "Service shutdown successfully"
else
kill -9 $_tmp # Normally never come here
logger -p user.warn -t "radicale[----]" "Service shutdown FORCED"
fi
return 0
}