r17: - fix monitrc in postinst, send alert mail only if !changed

[monit-cn.git] / debian / postinst

diff --git a/debian/postinst b/debian/postinst
index e387901..f08d307 100755 (executable)
--- a/debian/postinst
+++ b/debian/postinst
@@ -47,23 +47,58 @@ if [ $installfile -eq 1 ]; then
     chmod u=rw,go= /etc/monit/monitrc
 fi
 
-# generate monit.d files
-update-monit.d
+# sed monitrc with proper hostname
+if grep -q '@localhost' /etc/monit/monitrc; then
+    CARNET_HOSTNAME=`hostname`
+    CARNET_DOMAINNAME=`hostname --domain`
+    cp_check_and_sed '@localhost' \
+        "s/@localhost/@$CARNET_HOSTNAME.$CARNET_DOMAINNAME/g" \
+        /etc/monit/monitrc || true
+fi
+
+# if alert for "changed" is enabled, disable it ASAP
+# we're waiting for "but not on { changed }" to enter in official
+# package...
+cp_check_and_sed '^set alert [^[:space:]]*@[^[:space:]]*$' \
+    's/^set alert \([^[:space:]]*@[^[:space:]]*\)$/set alert \1 only on { uid, gid, size, nonexist, data, icmp, instance, invalid, exec, timeout, resource, checksum, match, timestamp, connection, permission }/g' \
+    /etc/monit/monitrc || true
+
+# (re)generate monit.d files
+update-monit.d || true
 
 # disable monit startup
-cp_check_and_sed '^startup=1/#startup=1/g' /etc/default/monit \
-    || true
+cp_check_and_sed '^startup[[:space:]]*=[[:space:]]*1' \
+    '^startup[[:space:]]*=.*/startup=0/g' /etc/default/monit || true
+
+# systemv part
+echo "CN: Disabling monit SystemV script"
+if [ -x "/etc/init.d/monit" ]; then
+    update-rc.d -f monit remove >/dev/null 2>&1
+    if [ -x "`which invoke-rc.d 2>/dev/null`" ]; then
+        invoke-rc.d monit stop || true
+    else
+        /etc/init.d/monit stop || true
+    fi
+fi
+if [ -e "/etc/init.d/monit" ]; then
+    if ! grep -q 'CARNet package monit-cn' /etc/init.d/monit; then
+        # shebang
+        head -n1 /etc/init.d/monit > /etc/init.d/monit.$$
+        # middle part
+        cp-update monit-cn /etc/init.d/monit.$$ <<EOF
+echo "CN: Monit SystemV init script disabled -- inittab is in use"
+echo "CN: Exiting now..."
+exit 0
+EOF
+        # rest of init script
+        tail -n+2 /etc/init.d/monit >> /etc/init.d/monit.$$
+        mv -f /etc/init.d/monit.$$ /etc/init.d/monit
+        chmod +x /etc/init.d/monit
+    fi
+fi
 
 # install as inittab service
 if ! grep -q '/usr/sbin/monit' /etc/inittab; then
-    if [ -x "/etc/init.d/monit" ]; then
-        update-rc.d -f monit remove >/dev/null 2>&1
-        if [ -x "`which invoke-rc.d 2>/dev/null`" ]; then
-            invoke-rc.d monit stop || true
-        else
-            /etc/init.d/monit stop || true
-        fi
-    fi
     echo "CN: Installing monit service in /etc/inittab"
     rm -f /etc/inittab.$$
     cp /etc/inittab /etc/inittab.$$
@@ -75,7 +110,8 @@ EOF
 fi
 
 # reload init, since we have new configuration
-echo "CN: Starting monit service, please check /var/log/daemon.log"
+echo "CN: (Re)starting monit service, please check /var/log/daemon.log"
+pkill -9 -f /usr/sbin/monit || true
 kill -HUP 1
 
 # dh_installdeb will replace this with shell code automatically