wmbusmeters/install.sh

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#!/bin/bash
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if [ "$1" == "" ] || [ "$1" == "-h" ]
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then
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echo "Usage: install.sh [binary] [root] [OPTIONS]
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Example: install.sh build/wmbusmeters /
Options:
--no-adduser Do not add wmbusmeters user
"
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exit 0
fi
if [ ! "$(basename "$1")" = "wmbusmeters" ]
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then
echo "Oups, please only try to install wmbusmeters using this script."
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exit 1
fi
if [ ! -x "$1" ]
then
echo "This is not an executable."
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exit 1
fi
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if [ ! -d "$2" ]
then
echo "Oups, please supply a valid root directory."
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exit 1
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fi
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SRC=$1
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ROOT="${2%/}"
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ADDUSER=true
while [ $# -ne 0 ]
do
ARG="$1"
shift
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case "$ARG" in
--no-adduser)
ADDUSER=false
;;
esac
done
####################################################################
##
## Intall binaries
##
rm -f "$ROOT"/usr/bin/wmbusmeters "$ROOT"/usr/sbin/wmbusmetersd
mkdir -p "$ROOT"/usr/bin
mkdir -p "$ROOT"/usr/sbin
cp "$SRC" "$ROOT"/usr/bin/wmbusmeters
ln -s /usr/bin/wmbusmeters "$ROOT"/usr/sbin/wmbusmetersd
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echo "binaries: installed $ROOT/usr/bin/wmbusmeters and $ROOT/usr/sbin/wmbusmetersd"
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####################################################################
##
## Intall wmbusmeters manual page
##
rm -f "$ROOT"/usr/share/man/man1/wmbusmeters.1.gz
mkdir -p "$ROOT"/usr/share/man/man1
gzip -c wmbusmeters.1 > "$ROOT"/usr/share/man/man1/wmbusmeters.1.gz
echo "man page: installed $ROOT/usr/share/man/man1/wmbusmeters.1.gz"
####################################################################
##
## Create wmbusmeters user
##
ID=$(id -u wmbusmeters 2>/dev/null)
if [ -f "$ROOT"/usr/sbin/nologin ]
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then
USERSHELL="$ROOT/usr/sbin/nologin"
elif [ -f "$ROOT"/sbin/nologin ]
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then
USERSHELL="$ROOT/sbin/nologin"
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else
USERSHELL="/bin/false"
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fi
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if [ "$ADDUSER" = "true" ]
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then
if [ $(getent group wmbusmeters) ]
then
echo "group: wmbusmeters unmodified"
else
groupadd -f wmbusmeters
echo "group: added wmbusmeters"
fi
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if [ -z "$ID" ]
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then
# Create the wmbusmeters user
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useradd --system --shell $USERSHELL -g wmbusmeters wmbusmeters
echo "user: added wmbusmeters"
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else
echo "user: wmbusmeters unmodified"
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fi
if [ $(getent group dialout) ]
then
if [ "$(groups wmbusmeters | grep -o dialout)" = "" ]
then
# Add the wmbusmeters user to dialout
usermod -a -G dialout wmbusmeters
echo "user: added wmbusmeters to dialout group"
else
echo "user: wmbusmeters already added to dialout"
fi
else
echo "dialout group does not exist"
fi
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if [ $(getent group uucp) ]
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then
if [ "$(groups wmbusmeters | grep -o uucp)" = "" ]
then
# Add the wmbusmeters user to uucp
usermod -a -G uucp wmbusmeters
echo "user: added wmbusmeters to uucp group"
else
echo "user: wmbusmeters already added to uucp"
fi
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else
echo "uucp group does not exist"
fi
if [ $(getent group plugdev) ]
then
if [ "$(groups wmbusmeters | grep -o plugdev)" = "" ]
then
# Add the wmbusmeters user to plugdev
usermod -a -G plugdev wmbusmeters
echo "user: added wmbusmeters to plugdev group"
else
echo user: wmbusmeters already added to plugdev
fi
else
echo "plugdev group does not exist"
fi
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fi
####################################################################
##
## Prepare for /run/wmbusmeters.pid
##
#if [ ! -d "$ROOT"/var/run ]
#then
# # Create /var/run
# mkdir -p "$ROOT"/var/run
# echo pid store: created /var/run
#fi
####################################################################
##
## Prepare for /var/log/wmbusmeters and /var/log/wmbusmeters/meter_readings
##
if [ ! -d "$ROOT"/var/log/wmbusmeters/meter_readings ]
then
# Create the log directories
mkdir -p "$ROOT"/var/log/wmbusmeters/meter_readings
chown -R wmbusmeters:wmbusmeters "$ROOT"/var/log/wmbusmeters
echo "log: created $ROOT/var/log/wmbusmeters/meter_readings"
fi
####################################################################
##
## Install /etc/logrotate.d/wmbusmeters
##
if [ ! -f "$ROOT"/etc/logrotate.d/wmbusmeters ]
then
mkdir -p "$ROOT"/etc/logrotate.d
# Create logrotate file
cat <<EOF > "$ROOT"/etc/logrotate.d/wmbusmeters
/var/log/wmbusmeters/*.log {
rotate 12
weekly
compress
missingok
postrotate
/bin/kill -HUP `cat /run/wmbusmeters/wmbusmeters.pid 2> /dev/null` 2> /dev/null || true
endscript
EOF
echo "logrotate: created $ROOT/etc/logrotate.d/wmbusmeters"
else
echo "conf file: $ROOT/etc/logrotate.d/wmbusmeters unchanged"
fi
####################################################################
##
## Install /etc/wmbusmeters.conf
##
if [ ! -f "$ROOT"/etc/wmbusmeters.conf ]
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then
# Create default configuration
mkdir -p "$ROOT"/etc/
cat <<EOF > "$ROOT"/etc/wmbusmeters.conf
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loglevel=normal
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device=auto:t1
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logtelegrams=false
format=json
meterfiles=/var/log/wmbusmeters/meter_readings
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meterfilesaction=overwrite
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logfile=/var/log/wmbusmeters/wmbusmeters.log
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EOF
chmod 644 "$ROOT"/etc/wmbusmeters.conf
echo "conf file: created $ROOT/etc/wmbusmeters.conf"
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else
echo "conf file: $ROOT/etc/wmbusmeters.conf unchanged"
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fi
####################################################################
##
## Create /etc/wmbusmeters.d
##
if [ ! -d "$ROOT"/etc/wmbusmeters.d ]
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then
# Create the configuration directory
mkdir -p "$ROOT"/etc/wmbusmeters.d
chmod -R 755 "$ROOT"/etc/wmbusmeters.d
echo "conf dir: created $ROOT/etc/wmbusmeters.d"
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else
echo "conf dir: $ROOT/etc/wmbusmeters.d unchanged"
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fi
####################################################################
##
## Create /lib/systemd/system/wmbusmeters.service
##
SYSTEMD_NEEDS_RELOAD=false
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mkdir -p "$ROOT"/lib/systemd/system/
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OLD_WMBS=~/old.wmbusmeters.service.backup
CURR_WMBS="$ROOT"/lib/systemd/system/wmbusmeters.service
if [ -f $CURR_WMBS ]
then
echo "systemd: backing up $CURR_WMBS to here: $OLD_WMBS"
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cp $CURR_WMBS $OLD_WMBS 2>/dev/null
fi
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# Create service file for starting daemon without explicit device.
# This means that wmbusmeters will rely on the conf file device setting.
cat <<'EOF' > $CURR_WMBS
[Unit]
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Description="wmbusmeters service"
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Documentation=https://github.com/weetmuts/wmbusmeters
Documentation=man:wmbusmeters(1)
After=network.target
StopWhenUnneeded=false
StartLimitIntervalSec=10
StartLimitInterval=10
StartLimitBurst=3
[Service]
Type=forking
PrivateTmp=yes
User=wmbusmeters
Group=wmbusmeters
Restart=always
RestartSec=1
# Run ExecStartPre with root-permissions
PermissionsStartOnly=true
ExecStartPre=-/bin/mkdir -p /var/log/wmbusmeters/meter_readings
ExecStartPre=/bin/chown -R wmbusmeters:wmbusmeters /var/log/wmbusmeters
ExecStartPre=-/bin/mkdir -p /run/wmbusmeters
ExecStartPre=/bin/chown -R wmbusmeters:wmbusmeters /run/wmbusmeters
ExecStart=/usr/sbin/wmbusmetersd /run/wmbusmeters/wmbusmeters.pid
ExecReload=/bin/kill -HUP $MAINPID
PIDFile=/run/wmbusmeters/wmbusmeters.pid
[Install]
WantedBy=multi-user.target
EOF
if diff $OLD_WMBS $CURR_WMBS 1>/dev/null
then
echo "systemd: no changes to $CURR_WMBS"
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else
echo "systemd: updated $CURR_WMBS"
SYSTEMD_NEEDS_RELOAD=true
fi
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OLD_WMBAS=~/old.wmbusmeters@.service.backup
CURR_WMBAS="$ROOT"/lib/systemd/system/wmbusmeters@.service
if [ -f $CURR_WMBAS ]
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then
echo "systemd: removing $CURR_WMBAS"
echo "systemd: backing up $CURR_WMBAS to here: $OLD_WMBAS"
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cp $CURR_WMBAS $OLD_WMBAS 2>/dev/null
rm $CURR_WMBAS
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SYSTEMD_NEEDS_RELOAD=true
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fi
####################################################################
##
## Remove any existing /etc/udev/rules.d/99-wmbus-usb-serial.rules
## The new wmbuseters daemon is not going to use these.
##
if [ -f "$ROOT"/etc/udev/rules.d/99-wmbus-usb-serial.rules ]
then
echo "udev: removing "$ROOT"/etc/udev/rules.d/99-wmbus-usb-serial.rules"
echo "udev: backup stored here: ~/old.wmbusmeters-wmbus-usb-serial.rules.backup"
cp "$ROOT"/etc/udev/rules.d/99-wmbus-usb-serial.rules ~/old.wmbusmeters-wmbus-usb-serial.rules.backup
rm "$ROOT"/etc/udev/rules.d/99-wmbus-usb-serial.rules
UDEV_NEEDS_RELOAD=true
fi
if [ "$SYSTEMD_NEEDS_RELOAD" = "true" ]
then
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echo
echo
echo "You need to reload systemd configuration! Please do:"
echo "sudo systemctl daemon-reload"
fi
if [ "$UDEV_NEEDS_RELOAD" = "true" ]
then
echo
echo
echo "You need to reload udev configuration! Please do:"
echo "sudo udevadm control --reload-rules"
echo "sudo udevadm trigger"
fi