From 31502887e233987d184f4772e9dc9486e6b8e26f Mon Sep 17 00:00:00 2001
From: gandalfmagic <gandalfmagic@libero.it>
Date: Sun, 17 Nov 2019 18:19:17 +0100
Subject: [PATCH] Refactoring of the init.d script

---
 package/scripts/vip-manager      | 212 ------------------------------
 package/scripts/vip-manager.bash | 214 +++++++++++++++++++++++++++++++
 2 files changed, 214 insertions(+), 212 deletions(-)
 delete mode 100644 package/scripts/vip-manager
 create mode 100644 package/scripts/vip-manager.bash

diff --git a/package/scripts/vip-manager b/package/scripts/vip-manager
deleted file mode 100644
index 54cb6012..00000000
--- a/package/scripts/vip-manager
+++ /dev/null
@@ -1,212 +0,0 @@
-#! /usr/bin/env bash
-
-# chkconfig: 2345 99 01
-# description: Vip-manager daemon
-
-### BEGIN INIT INFO
-# Provides:          vip-manager
-# Required-Start:    $network $local_fs $remote_fs
-# Required-Stop:     $network $local_fs $remote_fs
-# Default-Start:     2 3 4 5
-# Default-Stop:      0 1 6
-# Short-Description: Start telegraf at boot time
-### END INIT INFO
-
-# Command-line options that will be set with /etc/default/vip-manager.
-VIP_OPTS=""
-
-USER=root
-GROUP=root
-
-if [ -r /lib/lsb/init-functions ]; then
-    source /lib/lsb/init-functions
-fi
-
-DEFAULT=/etc/default/vip-manager
-
-if [ -r $DEFAULT ]; then
-    source $DEFAULT
-fi
-
-if [ -z "$VIP_IP" ]; then
-    VIP_OPTS="$VIP_OPTS -ip=$VIP_IP"
-fi
-
-if [ -z "$VIP_IFACE" ]; then
-    VIP_OPTS="$VIP_OPTS -iface=$VIP_IFACE"
-fi
-
-if [ -z "$VIP_KEY" ]; then
-    VIP_OPTS="$VIP_OPTS -key=$VIP_KEY"
-fi
-
-if [ -z "$VIP_ETCD_USER" ]; then
-    VIP_OPTS="$VIP_OPTS -etcd_user=$VIP_ETCD_USER"
-fi
-
-if [ -z "$VIP_ETCD_PASSWORD" ]; then
-    VIP_OPTS="$VIP_OPTS -etcd_password=$VIP_ETCD_USER"
-fi
-
-if [ -z "$VIP_HOST" ]; then
-    VIP_OPTS="$VIP_OPTS -host=$VIP_HOST"
-fi
-
-if [ -z "$VIP_TYPE" ]; then
-    VIP_OPTS="$VIP_OPTS -type=$VIP_TYPE"
-fi
-
-if [ -z "$VIP_ENDPOINT" ]; then
-    VIP_OPTS="$VIP_OPTS -type=$VIP_ENDPOINT"
-fi
-
-if [ -z "$VIP_MASK" ]; then
-    VIP_OPTS="$VIP_OPTS -type=$VIP_MASK"
-fi
-
-if [ -z "$VIP_HOSTINGTYPE" ]; then
-    VIP_OPTS="$VIP_OPTS -hostingtype=$VIP_HOSTINGTYPE"
-fi
-
-if [ -z "$STDOUT" ]; then
-    STDOUT=/dev/null
-fi
-if [ ! -f "$STDOUT" ]; then
-    mkdir -p `dirname $STDOUT`
-fi
-
-if [ -z "$STDERR" ]; then
-    STDERR=/var/log/vipmanager/vipmanager.log
-fi
-if [ ! -f "$STDERR" ]; then
-    mkdir -p `dirname $STDERR`
-fi
-
-function pidofproc {
-    if [ $# -ne 3 ]; then
-        echo "Expected three arguments, e.g. $0 -p pidfile daemon-name"
-    fi
-
-    if [ ! -f "$2" ]; then
-        return 1
-    fi
-
-    local pidfile=`cat $2`
-
-    if [ "x$pidfile" == "x" ]; then
-        return 1
-    fi
-
-    if ps --pid "$pidfile" | grep -q $(basename $3); then
-        return 0
-    fi
-
-    return 1
-}
-
-function killproc {
-    if [ $# -ne 3 ]; then
-        echo "Expected three arguments, e.g. $0 -p pidfile signal"
-    fi
-
-    pid=`cat $2`
-
-    kill -s $3 $pid
-}
-
-function log_failure_msg {
-    echo "$@" "[ FAILED ]"
-}
-
-function log_success_msg {
-    echo "$@" "[ OK ]"
-}
-
-# Process name ( For display )
-name=vipmanager
-
-# Daemon name, where is the actual executable
-daemon=/usr/bin/vip-manager
-
-# pid file for the daemon
-pidfile=/var/run/vip-manager.pid
-piddir=`dirname $pidfile`
-
-if [ ! -d "$piddir" ]; then
-    mkdir -p $piddir
-    chown $USER:$GROUP $piddir
-fi
-
-# If the daemon is not there, then exit.
-[ -x $daemon ] || exit 5
-
-case $1 in
-    start)
-        # Checked the PID file exists and check the actual status of process
-        if [ -e $pidfile ]; then
-            pidofproc -p $pidfile $daemon > /dev/null 2>&1 && status="0" || status="$?"
-            # If the status is SUCCESS then don't need to start again.
-            if [ "x$status" = "x0" ]; then
-                log_failure_msg "$name process is running"
-                exit 0 # Exit
-            fi
-        fi
-
-        log_success_msg "Starting the process" "$name"
-        if command -v startproc >/dev/null; then
-            startproc -u "$USER" -g "$GROUP" -p "$pidfile" -q -- "$daemon" $VIP_OPTS
-        elif which start-stop-daemon > /dev/null 2>&1; then
-            start-stop-daemon --chuid $USER:$GROUP --start --quiet --pidfile $pidfile --exec $daemon -- $VIP_OPTS >>$STDOUT 2>>$STDERR &
-        else
-            su -s /bin/sh -c "nohup $daemon $VIP_OPTS >>$STDOUT 2>>$STDERR &" $USER
-        fi
-        log_success_msg "$name process was started"
-        ;;
-
-    stop)
-        # Stop the daemon.
-        if [ -e $pidfile ]; then
-            pidofproc -p $pidfile $daemon > /dev/null 2>&1 && status="0" || status="$?"
-            if [ "$status" = 0 ]; then
-                if killproc -p $pidfile SIGTERM && /bin/rm -rf $pidfile; then
-                    log_success_msg "$name process was stopped"
-                else
-                    log_failure_msg "$name failed to stop service"
-                fi
-            fi
-        else
-            log_failure_msg "$name process is not running"
-        fi
-        ;;
-
-    restart|force-reload)
-        # Restart the daemon.
-        $0 stop && sleep 2 && $0 start
-        ;;
-
-    status)
-        # Check the status of the process.
-        if [ -e $pidfile ]; then
-            if pidofproc -p $pidfile $daemon > /dev/null; then
-                log_success_msg "$name Process is running"
-                exit 0
-            else
-                log_failure_msg "$name Process is not running"
-                exit 1
-            fi
-        else
-            log_failure_msg "$name Process is not running"
-            exit 3
-        fi
-        ;;
-
-    version)
-        $daemon version
-        ;;
-
-    *)
-        # For invalid arguments, print the usage message.
-        echo "Usage: $0 {start|stop|restart|status|version}"
-        exit 2
-        ;;
-esac
diff --git a/package/scripts/vip-manager.bash b/package/scripts/vip-manager.bash
new file mode 100644
index 00000000..bc8b76db
--- /dev/null
+++ b/package/scripts/vip-manager.bash
@@ -0,0 +1,214 @@
+#! /usr/bin/env bash
+
+# chkconfig: 2345 99 01
+# description: Vip-manager daemon
+
+### BEGIN INIT INFO
+# Provides:          vip-manager
+# Required-Start:    $network $local_fs $remote_fs
+# Required-Stop:     $network $local_fs $remote_fs
+# Default-Start:     2 3 4 5
+# Default-Stop:      0 1 6
+# Short-Description: Start vip-manager at boot time
+### END INIT INFO
+
+# Command-line options that will be set with /etc/default/vip-manager.
+VIP_OPTS=""
+
+USER=root
+GROUP=root
+
+if [[ -r /lib/lsb/init-functions ]]; then
+    source /lib/lsb/init-functions
+fi
+
+DEFAULT=/etc/default/vip-manager
+
+if [[ -r ${DEFAULT} ]]; then
+    source ${DEFAULT}
+fi
+
+if [[ -z "${VIP_IP}" ]]; then
+    VIP_OPTS="${VIP_OPTS} -ip=${VIP_IP}"
+fi
+
+if [[ -z "${VIP_IFACE}" ]]; then
+    VIP_OPTS="${VIP_OPTS} -iface=${VIP_IFACE}"
+fi
+
+if [[ -z "{$VIP_KEY}" ]]; then
+    VIP_OPTS="${VIP_OPTS} -key={$VIP_KEY}"
+fi
+
+if [[ -z "${VIP_ETCD_USER}" ]]; then
+    VIP_OPTS="${VIP_OPTS} -etcd_user=${VIP_ETCD_USER}"
+fi
+
+if [[ -z "${VIP_ETCD_PASSWORD}" ]]; then
+    VIP_OPTS="${VIP_OPTS} -etcd_password=${VIP_ETCD_PASSWORD}"
+fi
+
+if [[ -z "${VIP_HOST}" ]]; then
+    VIP_OPTS="${VIP_OPTS} -host=${VIP_HOST}"
+fi
+
+if [[ -z "${VIP_TYPE}" ]]; then
+    VIP_OPTS="${VIP_OPTS} -type=${VIP_TYPE}"
+fi
+
+if [[ -z "${VIP_ENDPOINT}" ]]; then
+    VIP_OPTS="${VIP_OPTS} -type=${VIP_ENDPOINT}"
+fi
+
+if [[ -z "${VIP_MASK}" ]]; then
+    VIP_OPTS="${VIP_OPTS} -type=${VIP_MASK}"
+fi
+
+if [[ -z "${VIP_HOSTINGTYPE}" ]]; then
+    VIP_OPTS="${VIP_OPTS} -hostingtype=${VIP_HOSTINGTYPE}"
+fi
+
+if [[ -z "${STDOUT}" ]]; then
+    STDOUT=/dev/null
+fi
+if [[ ! -f "${STDOUT}" ]]; then
+    mkdir -p `dirname ${STDOUT}`
+fi
+
+if [[ -z "${STDERR}" ]]; then
+    STDERR=/var/log/vip-manager/vipm-anager.log
+fi
+if [[ ! -f "${STDERR}" ]]; then
+    mkdir -p `dirname ${STDERR}`
+fi
+
+function pid_of_proc {
+    if [[ $# -ne 2 ]]; then
+        echo "Expected three arguments, e.g. $0 pid-file daemon-name"
+        return 1
+    fi
+
+    if [[ ! -f "$1" ]]; then
+        return 1
+    fi
+
+    local pid_file=`cat $1`
+
+    if [[ "x${pid_file}" == "x" ]]; then
+        return 1
+    fi
+
+    if ps --pid "${pid_file}" | grep -q $(basename $2); then
+        return 0
+    fi
+
+    return 1
+}
+
+function kill_proc {
+    if [[ $# -ne 2 ]]; then
+        echo "Expected three arguments, e.g. $0 pid-file signal"
+        return 1
+    fi
+
+    pid=`cat $1`
+
+    kill -s $2 ${pid}
+}
+
+function log_failure_msg {
+    echo "$@" "[ FAILED ]"
+}
+
+function log_success_msg {
+    echo "$@" "[ OK ]"
+}
+
+# Process name ( For display )
+name=vip-manager
+
+# Daemon name, where is the actual executable
+daemon=/usr/bin/vip-manager
+
+# pid file for the daemon
+pid_file=/var/run/vip-manager.pid
+pid_dir=`dirname ${pid_file}`
+
+if [[ ! -d "${pid_dir}" ]]; then
+    mkdir -p ${pid_dir}
+    chown ${USER}:${GROUP} ${pid_dir}
+fi
+
+# If the daemon is not there, then exit.
+[[ -x ${daemon} ]] || exit 5
+
+case $1 in
+    start)
+        # Checked the PID file exists and check the actual status of process
+        if [[ -e ${pid_file} ]]; then
+            pid_of_proc ${pid_file} ${daemon} > /dev/null 2>&1 && status="0" || status="$?"
+            # If the status is SUCCESS then don't need to start again.
+            if [[ "x${status}" = "x0" ]]; then
+                log_failure_msg "${name} process is running"
+                exit 0 # Exit
+            fi
+        fi
+
+        log_success_msg "Starting the process" "${name}"
+        if command -v startproc >/dev/null; then
+            startproc -u "${USER}" -g "${GROUP}" -p "${pid_file}" -q -- "${daemon}" ${VIP_OPTS}
+        elif which start-stop-daemon > /dev/null 2>&1; then
+            start-stop-daemon --chuid ${USER}:${GROUP} --start --quiet --pidfile ${pid_file} --exec ${daemon} -- ${VIP_OPTS} >>${STDOUT} 2>>${STDERR} &
+        else
+            su -s /bin/sh -c "nohup ${daemon} ${VIP_OPTS} >>${STDOUT} 2>>${STDERR} &" ${USER}
+        fi
+        log_success_msg "${name} process was started"
+        ;;
+
+    stop)
+        # Stop the daemon.
+        if [[ -e ${pid_file} ]]; then
+            pid_of_proc ${pid_file} ${daemon} > /dev/null 2>&1 && status="0" || status="$?"
+            if [[ "$status" = 0 ]]; then
+                if kill_proc ${pid_file} SIGTERM && /bin/rm -rf ${pid_file}; then
+                    log_success_msg "${name} process was stopped"
+                else
+                    log_failure_msg "${name} failed to stop service"
+                fi
+            fi
+        else
+            log_failure_msg "${name} process is not running"
+        fi
+        ;;
+
+    restart|force-reload)
+        # Restart the daemon.
+        $0 stop && sleep 2 && $0 start
+        ;;
+
+    status)
+        # Check the status of the process.
+        if [[ -e ${pid_file} ]]; then
+            if pid_of_proc ${pid_file} ${daemon} > /dev/null; then
+                log_success_msg "${name} Process is running"
+                exit 0
+            else
+                log_failure_msg "${name} Process is not running"
+                exit 1
+            fi
+        else
+            log_failure_msg "${name} Process is not running"
+            exit 3
+        fi
+        ;;
+
+    version)
+        ${daemon} version
+        ;;
+
+    *)
+        # For invalid arguments, print the usage message.
+        echo "Usage: $0 {start|stop|restart|status|version}"
+        exit 2
+        ;;
+esac