From 6ff091a18cfcc144c33b3cdbd1a9373a2f47be4b Mon Sep 17 00:00:00 2001
From: Andrew Pogrebennyk <apogrebennyk@sipwise.com>
Date: Mon, 25 Aug 2014 11:20:35 +0200
Subject: [PATCH] Revert "MT#8741 remove init script tricks"

This reverts commit 8b3a87eeeda3d8c44707806f0c94581e388776df.
---
 debian/ngcp-sems.postinst | 54 ++++++++++++++++++++++++++++++++++++---
 debian/ngcp-sems.postrm   | 18 +++++++++++++
 2 files changed, 68 insertions(+), 4 deletions(-)
 create mode 100644 debian/ngcp-sems.postrm

diff --git a/debian/ngcp-sems.postinst b/debian/ngcp-sems.postinst
index 73acc76d..443ad147 100644
--- a/debian/ngcp-sems.postinst
+++ b/debian/ngcp-sems.postinst
@@ -5,11 +5,9 @@ set -e
 dpkg-maintscript-helper rm_conffile /etc/default/sems -- "$@"
 dpkg-maintscript-helper rm_conffile /etc/init.d/sems -- "$@"
 
+# don't do anything when called with other argument than configure
 case "$1" in
   configure)
-    # add sems user
-    adduser --quiet --system --group --disabled-password --shell /bin/false \
-      --gecos "SIP Express Media Server" --home /var/run/ngcp-sems sems || true
   ;;
   abort-upgrade|abort-remove|abort-deconfigure)
     exit 0
@@ -20,6 +18,54 @@ case "$1" in
   ;;
 esac
 
-#DEBHELPER#
+restart_handler() {
+  if [ -x "/etc/init.d/ngcp-sems" ]; then
+    if [ -x "$(which invoke-rc.d 2>/dev/null)" ]; then
+      invoke-rc.d ngcp-sems restart || exit $?
+    else
+      /etc/init.d/ngcp-sems restart || exit $?
+    fi
+  fi
+}
+
+initscript_handler() {
+  if [ -x "/etc/init.d/ngcp-sems" ]; then
+    update-rc.d ngcp-sems defaults >/dev/null
+    invoke-rc.d ngcp-sems start || exit $?
+  fi
+}
+
+init_handler() {
+  # just invoke init script wrappers on ce systems since
+  # they do not provide ngcp-check_active and we don't
+  # have to handle inactive nodes
+  if ! [ -x "$(which ngcp-check_active 2>/dev/null)" ]; then
+    restart_handler
+    initscript_handler
+  else # do not restart daemon on inactive node in pro systems
+    if ngcp-check_active ; then
+      echo "Active node detected, restarting ngcp-sems"
+      restart_handler
+    else
+      echo "Inactive node detected, ignoring request to restart ngcp-sems"
+    fi
+  fi
+}
+
+# add sems user
+adduser --quiet --system --group --disabled-password --shell /bin/false \
+--gecos "SIP Express Media Server" --home /var/run/ngcp-sems sems || true
+
+init_handler
+
+echo ""
+echo "***"
+echo "Configuration of ngcp-sems has finished."
+echo ""
+echo "To restart it when configuration has changed use '/etc/init.d/ngcp-sems restart'"
+echo ""
+echo "To change it's configuration use 'dpkg-reconfigure ngcp-sems'"
+echo "***"
+echo ""
 
 exit 0
diff --git a/debian/ngcp-sems.postrm b/debian/ngcp-sems.postrm
new file mode 100644
index 00000000..29fbd00b
--- /dev/null
+++ b/debian/ngcp-sems.postrm
@@ -0,0 +1,18 @@
+#!/bin/sh
+# postrm script for ngcp-sems
+
+set -e
+
+removal_wrapper() {
+  # remove the init script only on ce systems, as the
+  # the pro system handle it inside the monitoring/HA setup
+  if ! [ -x "$(which ngcp-check_active 2>/dev/null)" ]; then
+    update-rc.d ngcp-sems remove >/dev/null
+  fi
+}
+
+if [ "$1" = "purge" ] ; then
+  removal_wrapper
+fi
+
+exit 0