From 4c11c1f982f711e014aeab4b41879ce1fefd42fa Mon Sep 17 00:00:00 2001
From: Yacine31 <yacine.oumghar@gmail.com>
Date: Fri, 26 Nov 2021 06:54:13 +0100
Subject: [PATCH] Create purge_listener.sh

---
 purge_listener.sh | 147 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 147 insertions(+)
 create mode 100644 purge_listener.sh

diff --git a/purge_listener.sh b/purge_listener.sh
new file mode 100644
index 0000000..5665a60
--- /dev/null
+++ b/purge_listener.sh
@@ -0,0 +1,147 @@
+#!/bin/bash
+#. /home/oracle/.bash_profile
+
+# Find the FULL path of the script, and add the directory it is in to the PATH,
+# Thus effectively allowing all ohter scripts to be used
+# (They shoud be in the same directory....)
+MYFULLNAME="$(cd "${0%/*}" 2>/dev/null; echo "$PWD"/"${0##*/}")"
+MYDIR=`dirname ${MYFULLNAME}`
+PATH=${PATH}:${MYDIR} 
+MYNAME=`basename ${0}`
+
+LANG=C
+#############
+test_instance()
+{
+        ps -ef | grep pmon_${ORACLE_SID} | grep -v grep | grep -- ${ORACLE_SID} >/dev/null
+        if [ $? -eq 1 ]; then
+                return 1
+        else
+                return 0
+        fi
+}
+
+usage()
+{
+cat << EOF
+usage: ${MYNAME} options
+
+This script purges the listener's logfile(s)
+
+OPTIONS:
+   -h      Show this message
+   -l      Listener name (default LISTENER)
+   -k      Keeptime: Keep the last 'n' days of files (Default: 60 days)
+   -v      Verbose
+   -d      Dry-run: only list the files, do not actually delete them.
+EOF
+}
+
+LISTENERS_LIST=
+KEEPTIME=60
+CMD="rm"
+DRY=0
+
+while getopts "hdvl:k:" OPTION; do
+        case ${OPTION} in
+          h)
+                usage
+                exit 0
+                ;;
+          l)
+                LISTENERS_LIST=${OPTARG}
+                ;;
+          v)
+                VERBOSE=1
+                ;;
+          d)
+                CMD="ls"
+		DRY=1
+                ;;
+          k)
+                KEEPTIME=${OPTARG}
+		;;
+          ?)
+                usage
+                exit 0
+                ;;
+        esac
+done
+
+if [ -z ${LISTENERS_LIST} ];
+then
+	# No listener given?  Catch them all!
+	LISTENERS_LIST=`ps -ef | grep tnslsnr | grep -v grep |awk '{ print $9 }'`
+	if [[ $VERBOSE -ne 0 ]];
+	then
+		echo "Currently active listeners:
+${LISTENERS_LIST}."
+	fi
+fi
+
+for LISTENER in ${LISTENERS_LIST};
+do
+	if [[ $VERBOSE -ne 0 ]]; then
+		echo "Treating listener ${LISTENER}:"
+	fi
+	
+	# Fetching the ORACLE_HOME for the listener, based on the executable's name...
+	OH_BIN=`ps -ef | grep "tnslsnr ${LISTENER} " | grep -v grep | awk '{ print $8 }'`
+	OH_BIN=`dirname ${OH_BIN}`
+	export ORACLE_HOME=`dirname ${OH_BIN}`
+	if [[ $VERBOSE -ne 0 ]]; 
+	then
+		echo "The ORACLE_HOME is ${ORACLE_HOME}"
+	fi
+	if ${ORACLE_HOME}/bin/lsnrctl status ${LISTENER} >/dev/null 2>&1 ;
+	then
+		LOGFILE=`${ORACLE_HOME}/bin/lsnrctl status ${LISTENER} | grep "^Listener Log File" | awk '{print $4}'`
+		BASE=`basename ${LOGFILE}`
+		DIR=`dirname ${LOGFILE}`
+	
+		if [[ ${BASE} == "log.xml" ]]; then
+			VERSION=11
+		else
+			VERSION=10
+		fi
+	
+		if [[ $VERBOSE -ne 0 ]]; then
+			PRINT="-print "
+			echo "this is a v${VERSION} listener, with logfile ${BASE} in ${DIR}." 
+		else
+			PRINT=""
+		fi
+	
+		if [[ ${VERSION} -eq 11 ]];
+		then
+			# Purge the lingering *.xlm logfiles in there
+			find ${DIR} -name "log_*.xml" -mtime +${KEEPTIME} ${PRINT} -exec ${CMD} {} \;
+	
+			# now forge the ${DIR} into some v10 compatible one:
+			DIR=`dirname ${DIR}`/trace
+			# and ${LOGFILE} as well:
+			# First some magic to get the filename (Oracls ${DIR} | grep -i ${LISTENER}".log$"le uses lowercase sometimes)
+			LOGFILE=`ls ${DIR} | grep -i ${LISTENER}".log$"`
+			# And prepend the directory's name
+			LOGFILE=${DIR}"/"${LOGFILE}
+			# And continue as if we were in v10...
+			BASE=`basename ${LOGFILE}`
+			DIR=`dirname ${LOGFILE}`
+		fi
+	
+		# Copy the listener*.log 
+		DATETIME=`date +%Y%m%d_%H%M%S` 
+		if [[ $VERBOSE -ne 0 ]]; then
+			echo "Saving ${LOGFILE} to ${LOGFILE}_${DATETIME}"
+		fi
+		if [[ ${DRY} -eq 0 ]]; then
+			cp ${LOGFILE} ${LOGFILE}_${DATETIME} && > ${LOGFILE}
+		else
+			echo "Would have moved ${LOGFILE} to ${LOGFILE}_${DATETIME}, and truncated ${LOGFILE}".
+		fi
+		
+		find ${DIR} -name "${BASE}_*" -mtime +${KEEPTIME} ${PRINT} -exec ${CMD} {} \;
+	else
+		echo "Listener ${LISTENER} not responding."
+	fi
+done