2 # postinst script for monit-cn
4 # see: dh_installdeb(1)
8 # summary of how this script can be called:
9 # * <postinst> `configure' <most-recently-configured-version>
10 # * <old-postinst> `abort-upgrade' <new version>
11 # * <conflictor's-postinst> `abort-remove' `in-favour' <package>
13 # * <deconfigured's-postinst> `abort-deconfigure' `in-favour'
14 # <failed-install-package> <version> `removing'
15 # <conflicting-package> <version>
16 # for details, see http://www.debian.org/doc/debian-policy/ or
17 # the debian-policy package
21 configure|reconfigure)
31 . /usr/share/carnet-tools/functions.sh
33 # check if monitrc is an empty template
35 if [ -e /etc/monit/monitrc ]; then
36 lines=$(grep -v '^#' /etc/monit/monitrc | wc -l)
37 if [ $lines -lt 4 ]; then
39 mv -f /etc/monit/monitrc /etc/monit/monitrc.dpkg-old
44 if [ $installfile -eq 1 ]; then
45 echo "CN: Installing default monitrc in /etc/monit/monitrc"
46 cp -a /usr/share/monit-cn/monitrc /etc/monit/monitrc
47 chmod u=rw,go= /etc/monit/monitrc
50 # sed monitrc with proper hostname
51 if grep -q '@localhost' /etc/monit/monitrc; then
52 CARNET_HOSTNAME=`hostname`
53 CARNET_DOMAINNAME=`hostname --domain`
54 cp_check_and_sed '@localhost' \
55 "s/@localhost/@$CARNET_HOSTNAME.$CARNET_DOMAINNAME/g" \
56 /etc/monit/monitrc || true
59 # migrate to "but not on { instance }" alerting style
60 cp_check_and_sed '^set alert [^[:space:]]*@[^[:space:]]* ' \
61 's/^set alert \([^[:space:]]*@[^[:space:]]*\) .*$/set alert \1 but not on { instance }/g' \
62 /etc/monit/monitrc || true
64 # (re)generate monit.d files
65 update-monit.d || true
67 # disable monit startup
68 cp_check_and_sed '^startup[[:space:]]*=[[:space:]]*1' \
69 's/^startup[[:space:]]*=.*/startup=0/g' /etc/default/monit || true
72 if ! grep -q 'CARNet package monit-cn' /etc/init.d/monit; then
73 echo "CN: Disabling monit SystemV script"
74 if [ -x "/etc/init.d/monit" ]; then
75 update-rc.d -f monit remove >/dev/null 2>&1
76 if [ -x "`which invoke-rc.d 2>/dev/null`" ]; then
77 invoke-rc.d monit stop || true
79 /etc/init.d/monit stop || true
82 if [ -e "/etc/init.d/monit" ]; then
84 head -n1 /etc/init.d/monit > /etc/init.d/monit.$$
86 cp-update monit-cn /etc/init.d/monit.$$ <<EOF
87 echo "CN: Monit SystemV init script disabled -- inittab is in use"
88 echo "CN: Exiting now..."
92 tail -n+2 /etc/init.d/monit >> /etc/init.d/monit.$$
93 mv -f /etc/init.d/monit.$$ /etc/init.d/monit
94 chmod +x /etc/init.d/monit
98 # install as inittab service
99 if ! grep -q '/usr/sbin/monit' /etc/inittab; then
100 echo "CN: Installing monit service in /etc/inittab"
101 cp -a /etc/inittab /etc/inittab.$$
102 cp-update monit-cn /etc/inittab.$$ <<EOF
103 mo:2345:respawn:/usr/sbin/monit -Ic /etc/monit/monitrc
104 m0:06:wait:/usr/sbin/monit -Ic /etc/monit/monitrc stop myprocess
106 cp_mv /etc/inittab.$$ /etc/inittab
109 # reload init, since we have new configuration
110 echo "CN: (Re)starting monit service, please check /var/log/daemon.log"
111 pkill -9 -f '/usr/sbin/monit$' || true
114 # dh_installdeb will replace this with shell code automatically
115 # generated by other debhelper scripts.