diff --git a/Backup_OpenStack_Vms_And_Volumes.sh b/Backup_OpenStack_Vms_And_Volumes.sh
index 4dc1877..b47fa40 100644
--- a/Backup_OpenStack_Vms_And_Volumes.sh
+++ b/Backup_OpenStack_Vms_And_Volumes.sh
@@ -1,154 +1,414 @@
 #!/usr/bin/env bash
 
-#OS Credentials and settings
-export OS_AUTH_TYPE=xxxx
-export OS_AUTH_URL=xxxx
-export OS_IDENTITY_API_VERSION=xxx
-export OS_REGION_NAME="xxxx"
-export OS_INTERFACE=public
-export OS_APPLICATION_CREDENTIAL_ID=xxxx
-export OS_APPLICATION_CREDENTIAL_SECRET=xxxx
+#source openrc.sh
+#export OS_AUTH_TYPE=v3applicationcredential
+#export OS_AUTH_URL=https://auth.cloud.ovh.net/
+#export OS_IDENTITY_API_VERSION=3
+#export OS_INTERFACE=public
+#export OS_REGION_NAME="GRA11"
+#export OS_APPLICATION_CREDENTIAL_ID=
+#export OS_APPLICATION_CREDENTIAL_SECRET=
 
-export TODAY=$(date +"%Y-%m-%d_%HH%M")
-export LOG_FILE=/var/log/backup/OpenStack_Vms_And_Volumes_${TODAY}.log
+#Daily Retention (Nb of months)
+export DAILY_RETENTION=7
 
-#Daily_Retention
-export DAILY_RETENTION=15
+#Monthly Retention (Nb of months)
+# 0 =  disable monthly backup
+export MONTHLY_RETENTION=0
+# DAY OF MOUNTH TO EXECUTE MONTHLY BACKUP
+# 01 ... 30 31
+export DAY_MONTHLY_BACKUP=01
 
+#Yearly Retention (Nb of year)
+# 0 =  disable Yearly backup
+export YEARLY_RETENTION=0
+# DAY OF MOUNTH TO EXECUTE YEARLY BACKUP
+# 01 ... 30 31
+export DAY_OF_YEARLY_BACKUP=01
+# MOUNTH TO EXECUTE YEARLY BACKUP
+# 01:january... 12:December
+export MONTH_OF_YEARLY_BACKUP=01
+
+#Set TimeZone
+export TZ=Europe/Paris
+
+TODAY=$(date +"%Y-%m-%d_%HH%M")
+DAY_OF_MONTH=$(date +"%d")
+MONTH_OF_YEAR=$(date +"%m")
+
+#Set Binary
+OPENSTACK=/usr/bin/openstack
+JQ=jq
+GREP=grep
+SORT=sort
+
+#Delay to wait and to check the end of backup
 CHECK_BACKUP_DELAY=3600
+CHECK_FREQUENCY=300
 
+#Init Variables
 BCK_VOLUMES_LIST=()
-BCK_SERVERS_LIST=()
+BCK_INSTANCES_LIST=()
 
-echo "======================================================"  >>${LOG_FILE} 2>&1
-date +"[%Y-%m-%d_%HH%M] - Listing of instances to be backed up"  >>${LOG_FILE} 2>&1
-echo "======================================================"  >>${LOG_FILE} 2>&1
+PREFIX=Daily
+if [ "${DAY_OF_MONTH}" = "${DAY_MONTHLY_BACKUP}" ] && [ "${MONTHLY_RETENTION}" != "0" ]; then
+        PREFIX=Monthly
+fi
 
-if SERVERS=$(/usr/bin/openstack server list -f json| jq -r '.[].Name'); then
+if [ "${DAY_OF_MONTH}" = "${DAY_OF_YEARLY_BACKUP}" ] && [ "${MONTH_OF_YEAR}" = "${MONTH_OF_YEARLY_BACKUP}" ] && [ "${YEARLY_RETENTION}" != "0" ]; then
+        PREFIX=Yearly
+fi
 
-    date +"[%Y-%m-%d_%HH%M] ---> Instance(s) found"  >>${LOG_FILE} 2>&1
+EXIT=0
+
+function check_prerequistes(){
+    echo ""
+    _info "================================================================================"
+    _info " - checking prerequisites"
+    _info "================================================================================"
+
+    _info " ---> Show OpenStack Version"
+    ${OPENSTACK} --version
+    retVal=$?
+    if [ $retVal -ne 0 ]; then
+        _err " ---> with openstack client"
+        ${OPENSTACK} --version 2>&1
+        exit $retVal
+    fi
+
+    _info " ---> Show jq version"
+    ${JQ} --version
+    retVal=$?
+    if [ $retVal -ne 0 ]; then
+        _err " ---> with jq"
+        ${JQ} --version 2>&1
+        exit $retVal
+    fi
+
+    _info " ---> Show grep version"
+    ${GREP} --version
+    retVal=$?
+    if [ $retVal -ne 0 ]; then
+        _err " ---> with grep"
+        ${GREP} --version 2>&1
+        exit $retVal
+    fi
+
+    _info " ---> Show sort version"
+    ${SORT} --version
+    retVal=$?
+    if [ $retVal -ne 0 ]; then
+        _err " ---> with sort"
+        ${SORT} --version 2>&1
+        exit $retVal
+    fi
+}
+
+function backup(){
+    echo""
+    _info "================================================================================"
+    _info " - Starting Backup of instances and volumes"
+    _info "================================================================================"
+
+    _info_blue " ---> Listing instance(s) to be backed up"
+    SERVERS=$(${OPENSTACK} server list -f json| ${JQ} -r '.[].Name')
+    echo $SERVERS;
+
+    retVal=$?
+    if [ $retVal -ne 0 ]; then
+        _err " ---> Listing servers"
+        ${OPENSTACK} server list -f json| ${JQ} -r '.[].Name' 2>&1
+        exit $retVal
+    fi
+
+    if  [[ -z "$SERVERS" ]]; then
+        _warning " ---> No instance found ! Exit"
+        echo $SERVERS
+        exit 0
+    fi
+
+    _info " ---> Instance(s) found"
     for SERVER in $SERVERS
     do
         SNAPSHOT_SERVER=${SERVER}_${TODAY}
 
-        date +"[%Y-%m-%d_%HH%M] ------> [Instance : ${SERVER}] === === Launching the backup === ==="  >>${LOG_FILE} 2>&1
-        date +"[%Y-%m-%d_%HH%M] ------> [Instance : ${SERVER}] ---> Listing of volumes attached"  >>${LOG_FILE} 2>&1
+        _info_blue " ------> [Instance : ${SERVER}] === === Launching the backup === ==="
+        _info " ------> [Instance : ${SERVER}] ---> Listing of volumes attached"
 
-        if VOLUMES_ATTACHED=$(/usr/bin/openstack server volume list ${SERVER} -f json | jq -r '.[]."Volume ID"'); then
+        VOLUMES_ATTACHED=$(${OPENSTACK} server volume list ${SERVER} -f json | ${JQ} -r '.[]."Volume ID"')
+        retVal=$?
+        if [ $retVal -ne 0 ]; then
+            _err " ---> Listing volumes"
+            ${OPENSTACK} server volume list ${SERVER} -f json | ${JQ} -r '.[]."Volume ID"' 2>&1
+            EXIT=$retVal
+        fi
 
-            date +"[%Y-%m-%d_%HH%M] ------> [Srv : ${SERVER}] ------> Attached volume(s) Found"  >>${LOG_FILE} 2>&1
+        if [[ -n "$VOLUMES_ATTACHED" ]]; then
+
+            _info " ------> [Instance : ${SERVER}] ------> Attached volume(s) Found"
 
             for VOLUME_ATTACHED_ID in $VOLUMES_ATTACHED
             do
-                VOLUME_ATTACHED_NAME=$(/usr/bin/openstack volume show ${VOLUME_ATTACHED_ID} -f json | jq -r '.name')
-                BCK_VOLUME_ATTACHED_NAME=Backup_${VOLUME_ATTACHED_NAME}_${TODAY}
+                VOLUME_ATTACHED_NAME=$(${OPENSTACK} volume show ${VOLUME_ATTACHED_ID} -f json | ${JQ} -r '.name')
+                BCK_VOLUME_ATTACHED_NAME=${PREFIX}_${VOLUME_ATTACHED_NAME}_${TODAY}
 
-                date +"[%Y-%m-%d_%HH%M] ------> [Srv : ${SERVER}] ------> Launching the backup of the volume ${VOLUME_ATTACHED_NAME} to ${BCK_VOLUME_ATTACHED_NAME}"  >>${LOG_FILE} 2>&1
-                                BCK_VOLUMES_LIST+=(${BCK_VOLUME_ATTACHED_NAME})
-                /usr/bin/openstack volume backup create --name ${BCK_VOLUME_ATTACHED_NAME} ${VOLUME_ATTACHED_NAME} --force  >>${LOG_FILE} 2>&1
+                _info_action " ------> [Instance : ${SERVER}] ------> Launching the backup of the volume ${VOLUME_ATTACHED_NAME} to ${BCK_VOLUME_ATTACHED_NAME}"
+                BCK_VOLUMES_LIST+=(${BCK_VOLUME_ATTACHED_NAME})
+                ${OPENSTACK} volume backup create --name ${BCK_VOLUME_ATTACHED_NAME} ${VOLUME_ATTACHED_NAME} --force
             done
 
         else
-
-          date +"[%Y-%m-%d_%HH%M] ------>  [Srv : ${SERVER}] ------> No volumes attached"  >>${LOG_FILE} 2>&1
-
+            _info " ------>  [Instance : ${SERVER}] ------> No volumes attached"
+            ${OPENSTACK} server volume list ${SERVER} -f json | ${JQ} -r '.[]."Volume ID"' 2>&1
         fi
 
-        BCK_SERVER=Backup_${SERVER}_${TODAY}
+        BCK_SERVER=${PREFIX}_${SERVER}_${TODAY}
 
-        date +"[%Y-%m-%d_%HH%M] ------> [Srv : ${SERVER}] ---> Launching the Snapshot of the instance ${SERVER} to ${BCK_SERVER}" >>${LOG_FILE} 2>&1
-        BCK_SERVERS_LIST+=(${BCK_SERVER})
+        _info_action " ------> [Instance : ${SERVER}] ---> Launching the Snapshot of the instance ${SERVER} to ${BCK_SERVER}"
+        BCK_INSTANCES_LIST+=(${BCK_SERVER})
+        ${OPENSTACK} server backup create --name ${BCK_SERVER} ${SERVER}
 
-        /usr/bin/openstack server backup create --rotate ${DAILY_RETENTION} --name ${BCK_SERVER} ${SERVER} >>${LOG_FILE} 2>&1
-
-        date +"[%Y-%m-%d_%HH%M] ------> [Srv : ${SERVER}] === === End of the backup === ==="  >>${LOG_FILE} 2>&1
+        _info_blue " ------> [Instance : ${SERVER}] === === End of the backup === ==="
     done
-else
-  echo "No instance found"  >>${LOG_FILE} 2>&1
-fi
+}
 
-echo "======================================================"  >>${LOG_FILE} 2>&1
-date +"[%Y-%m-%d_%HH%M] - Confirm that's all backup is OK"  >>${LOG_FILE} 2>&1
-echo "======================================================"  >>${LOG_FILE} 2>&1
+function check_backup(){
+        echo ""
+        _info "================================================================================"
+        _info " - Confirm that's all backup is OK"
+        _info "================================================================================"
 
-MAXIMUM_TIMESTAMP=`date -d '+'${CHECK_BACKUP_DELAY}' seconds' '+%s'`
+        MAXIMUM_TIMESTAMP=`date -d '+'${CHECK_BACKUP_DELAY}' seconds' '+%s'`
+        
+        echo ""
+        _info " => Checking the backup of volumes"
+        for BCK_VOLUME in "${BCK_VOLUMES_LIST[@]}"
+        do
+            RESULT=false
+            while [ ! "$RESULT" = "true" ];
+            do
+                _info " Checking Backup for ${BCK_VOLUME} and waiting ${CHECK_FREQUENCY} secondes"
 
-date +"[%Y-%m-%d_%HH%M] => Checking the backup of volumes"  >>${LOG_FILE} 2>&1
-for CHECK_BCK_VOLUME in ${BCK_VOLUMES_LIST}
-do
-    RESULT=false
-    while [ ! "$RESULT" = "true" ];
+                CURRENT_TIMESTAMP=`date +%s`
+                if [ "$CURRENT_TIMESTAMP" -gt "$MAXIMUM_TIMESTAMP" ]; then
+                        _err " Backup for ${BCK_VOLUME} verification time expired"
+                        exit -1
+                fi
+
+                RESULT=$(${OPENSTACK} volume backup list -f json | jq -c '.[] |  select(.Name | contains("'${BCK_VOLUME}'")) | .Status == "available"')
+                sleep ${CHECK_FREQUENCY}
+            done
+            _info_action " Backup Volume ${BCK_VOLUME} is OK"
+        done
+
+        echo ""
+        _info " => Checking Backup Instance"
+        for BCK_INSTANCE in "${BCK_INSTANCES_LIST[@]}"
+        do
+            RESULT=false
+            while [ ! "$RESULT" = "true" ];
+            do
+                _info " Checking Backup for ${BCK_INSTANCE} and waiting 60 secondes"
+
+                CURRENT_TIMESTAMP=`date +%s`
+                if [ "$CURRENT_TIMESTAMP" -gt "$MAXIMUM_TIMESTAMP" ]; then
+                        _err " Backup for ${BCK_INSTANCE} verification time expired"
+                        exit -1
+                fi
+
+                RESULT=`${OPENSTACK} image show ${BCK_INSTANCE} -f json | ${JQ} -r '.properties.image_state == "available" and .status == "active"'`
+                sleep 60
+            done
+            _info_action " Backup Instance ${BCK_INSTANCE} is OK"
+        done
+}
+
+function manage_retention(){
+    echo ""
+    _info "================================================================================"
+    _info " - Manage Backup Retention"
+    _info "================================================================================"
+    
+    echo ""
+    _info " ====> Manage Retention for Backup Volumes <===="
+    ALL_BCK_VOLUMES=$(${OPENSTACK} volume backup list -f json)
+
+    for BCK_VOLUME in "${BCK_VOLUMES_LIST[@]}"
     do
-        date +"[%Y-%m-%d_%HH%M] Checking Backup for ${CHECK_BCK_VOLUME} and waiting 60 secondes" >>${LOG_FILE} 2>&1
-
-        CURRENT_TIMESTAMP=`date +%s`
-        if [ "$CURRENT_TIMESTAMP" -gt "$MAXIMUM_TIMESTAMP" ]; then
-                date +"[%Y-%m-%d_%HH%M] [ERROR] backup for ${CHECK_BCK_VOLUME} verification time expired" >>${LOG_FILE} 2>&1
-                exit -1
+        _info " ---> Manage Daily Backup Volume ${BCK_VOLUME} retention : Keep last ${DAILY_RETENTION} Days"
+        _info " ---> List Backup Volume(s) :"
+        echo ${ALL_BCK_VOLUMES} | ${JQ} -r '.[].Name' | ${GREP} ${BCK_VOLUME} | ${SORT} -r
+        OLD_DAILY_VOLUMES=$(echo ${ALL_BCK_VOLUMES} | ${JQ} -r '.[].Name' | ${GREP} ${BCK_VOLUME} | ${SORT} -r | sed "1,${DAILY_RETENTION}d" | ${GREP} "^Daily")
+        if [ "${OLD_DAILY_VOLUMES}" != "0" ]; then
+            _info_blue " ------> Daily Backup Volume(s) to be removed Found"
+            for OLD_DAILY_VOLUME in $OLD_DAILY_VOLUMES
+            do
+                    _info_action " ---------> Remove Daily Backup Volume ${OLD_DAILY_VOLUME}"
+                    ${OPENSTACK} volume backup delete ${OLD_DAILY_VOLUME}
+            done
+        else
+            _info_blue " ------> No Old Daily Backup Volume found"
         fi
 
-        RESULT=`openstack volume backup show ${CHECK_BCK_VOLUME} -f json | jq -r '.status == "available"'`
-        sleep 60
-    done
-    date +"[%Y-%m-%d_%HH%M] Backup Volume ${CHECK_BCK_VOLUME} is OK" >>${LOG_FILE} 2>&1
-done
-
-date +"[%Y-%m-%d_%HH%M] => Checking Backup Instance"  >>${LOG_FILE} 2>&1
-for CHECK_BCK_SERVER in ${BCK_SERVERS_LIST}
-do
-    RESULT=false
-    while [ ! "$RESULT" = "true" ];
-    do
-        date +"[%Y-%m-%d_%HH%M] Checking Backup for ${CHECK_BCK_SERVER} and waiting 60 secondes" >>${LOG_FILE} 2>&1
-
-        CURRENT_TIMESTAMP=`date +%s`
-        if [ "$CURRENT_TIMESTAMP" -gt "$MAXIMUM_TIMESTAMP" ]; then
-                date +"[%Y-%m-%d_%HH%M] [ERROR] backup for ${CHECK_BCK_SERVER} verification time expired" >>${LOG_FILE} 2>&1
-                exit -1
+        if [ "${MONTHLY_RETENTION}" != "0" ]; then
+            _info " ---> Manage Monthly Backup Volume ${BCK_VOLUME} retention : Keep last ${MONTHLY_RETENTION} Months"
+            echo ${ALL_BCK_VOLUMES} | ${JQ} -r '.[].Name' | ${GREP} ${BCK_VOLUME} | ${SORT} -r | ${GREP} "^Monthly"
+            OLD_MONTHLY_VOLUMES=$(echo ${ALL_BCK_VOLUMES} | ${JQ} -r '.[].Name' | ${GREP} ${BCK_VOLUME} | ${SORT} -r | ${GREP} "^Monthly" | sed "1,${MONTHLY_RETENTION}d")
+            if [ ! -z "$OLD_MONTHLY_VOLUMES" ]; then
+                _info_blue " ------> Monthly Backup Volume(s) to be removed Found"
+                for OLD_MONTHLY_VOLUME in $OLD_MONTHLY_VOLUMES
+                do
+                    _info_action " ---------> Remove Monthly Backup Volume ${OLD_MONTHLY_VOLUME}"
+                    ${OPENSTACK} volume backup delete ${OLD_MONTHLY_VOLUME}
+                done
+            else
+                _info_blue " ------> No Old Monthly Backup Volume found"
+            fi
+        else
+            _info_blue " ------> Monthly Backup disabled"
         fi
 
-        RESULT=`/usr/bin/openstack image show ${CHECK_BCK_SERVER} -f json | jq -r '.properties.image_state == "available" and .status == "active"'`
-        sleep 60
+        if [ "${YEARLY_RETENTION}" != "0" ]; then
+            _info " ---> Manage Yearly Backup Volume ${BCK_VOLUME} retention : Keep last ${YEARLY_RETENTION} Months"
+            echo ${ALL_BCK_VOLUMES} | ${JQ} -r '.[].Name' | ${GREP} ${BCK_VOLUME} | ${SORT} -r | ${GREP} "^Yearly"
+            OLD_YEARLY_VOLUMES=$(echo ${ALL_BCK_VOLUMES} | ${JQ} -r '.[].Name' | ${GREP} ${BCK_VOLUME} | ${SORT} -r | ${GREP} "^Yearly" | sed "1,${YEARLY_RETENTION}d")
+            if [ ! -z "$OLD_YEARLY_VOLUMES" ]; then
+                _info_blue " ------> Yearly Backup Volume(s) to be removed Found"
+                for OLD_YEARLY_VOLUME in $OLD_YEARLY_VOLUMES
+                do
+                    _info_action " ---------> Remove Yearly Backup Volume ${OLD_YEARLY_VOLUME}"
+                    ${OPENSTACK} volume backup delete ${OLD_YEARLY_VOLUME}
+                done
+            else
+                _info_blue " ------> No Old Yearly Backup Volume found"
+            fi
+        else
+            _info_blue " ------> Yearly Backup disabled"
+        fi
     done
-    date +"[%Y-%m-%d_%HH%M] Backup Instance ${CHECK_BCK_SERVER} is OK" >>${LOG_FILE} 2>&1
-done
 
-echo "======================================================"  >>${LOG_FILE} 2>&1
-date +"[%Y-%m-%d_%HH%M] - Manage Retention - keep last ${DAILY_RETENTION} Backup Volumes"  >>${LOG_FILE} 2>&1
-echo "======================================================"  >>${LOG_FILE} 2>&1
+    echo ""
+    _info " ====> Manage Retention for Backup Instances <===="
+    ALL_IMAGES=$(${OPENSTACK} image list -f json)
 
-date +"[%Y-%m-%d_%HH%M] => Manage Retention for Backup Volumes"  >>${LOG_FILE} 2>&1
-
-date +"[%Y-%m-%d_%HH%M] ---> List all Backup Volumes"  >>${LOG_FILE} 2>&1
-/usr/bin/openstack volume backup list -f json | jq '.[].Name'  >>${LOG_FILE} 2>&1
-
-if OLD_VOLUMES=$(/usr/bin/openstack volume backup list -f json | jq -r '.[].Name' | sed "1,${DAILY_RETENTION}d"); then
-
-    date +"[%Y-%m-%d_%HH%M] ---> Backup Volume(s) to be removed Found"  >>${LOG_FILE} 2>&1
-    for OLD_VOLUME in $OLD_VOLUMES
+    for BCK_INSTANCE in "${BCK_INSTANCES_LIST[@]}"
     do
-        date +"[%Y-%m-%d_%HH%M] ------> Remove Backup Volume ${OLD_VOLUME}"  >>${LOG_FILE} 2>&1
-        /usr/bin/openstack volume backup delete ${OLD_VOLUME}  >>${LOG_FILE} 2>&1
+        _info " ---> Manage Daily Backup Instance ${BCK_INSTANCE} retention : Keep last ${DAILY_RETENTION} Days"
+        _info " ---> List Backup Instance(s) :"
+        echo $ALL_IMAGES | ${JQ} -r '.[].Name' | ${GREP} ${BCK_INSTANCE} | ${SORT} -r
+        OLD_DAILY_INSTANCES=$(echo ${ALL_IMAGES} | ${JQ} -r '.[].Name' | ${GREP} ${BCK_INSTANCE} | ${SORT} -r | sed "1,${DAILY_RETENTION}d" | ${GREP} "^Daily")
+        if [ ! -z "$OLD_DAILY_INSTANCES" ]; then
+            _info_blue " ---> Backup Instance(s) to be removed Found"
+            for OLD_DAILY_INSTANCE in $OLD_DAILY_INSTANCES
+            do
+                _info_action " ------> Remove Backup Instance ${OLD_DAILY_INSTANCE}"
+                ${OPENSTACK} image delete ${OLD_DAILY_INSTANCE}
+            done
+        else
+            _info_blue " ------> No Old Daily Backup Instance found"
+        fi
 
+        if [ "${MONTHLY_RETENTION}" != "0" ]; then
+            _info " ---> Manage Monthly Backup Instance ${BCK_INSTANCE} retention : Keep last ${MONTHLY_RETENTION} Months"
+            echo ${ALL_IMAGES} | ${JQ} -r '.[].Name' | ${GREP} ${BCK_INSTANCE} | ${SORT} -r | ${GREP} "^Monthly"
+            OLD_MONTHLY_INSTANCES=$(echo ${ALL_IMAGES} | ${JQ} -r '.[].Name' | ${GREP} ${BCK_INSTANCE} | ${SORT} -r | ${GREP} "^Monthly" | sed "1,${MONTHLY_RETENTION}d")
+            if [ ! -z "$OLD_MONTHLY_INSTANCES" ]; then
+                _info_blue " ------> Monthly Backup Instance(s) to be removed Found"
+                for OLD_MONTHLY_INSTANCE in $OLD_MONTHLY_INSTANCES
+                do
+                    _info_action " ---------> Remove Monthly Instance ${OLD_MONTHLY_INSTANCE}"
+                    ${OPENSTACK} image delete ${OLD_MONTHLY_INSTANCE}
+                done
+            else
+                _info_blue " ------> No Old Monthly Backup Instance found"
+            fi
+        else
+            _info_blue " ------> Monthly Backup disabled"
+        fi
+
+        if [ "${YEARLY_RETENTION}" != "0" ]; then
+            _info " ---> Manage Yearly Backup Instance ${BCK_INSTANCE} retention : Keep last ${YEARLY_RETENTION} Months"
+            echo ${ALL_IMAGES} | ${JQ} -r '.[].Name' | ${GREP} ${BCK_INSTANCE} | ${SORT} -r | ${GREP} "^Yearly"
+            OLD_YEARLY_INSTANCES=$(echo ${ALL_IMAGES} | ${JQ} -r '.[].Name' | ${GREP} ${BCK_INSTANCE} | ${SORT} -r | ${GREP} "^Yearly" | sed "1,${YEARLY_RETENTION}d")
+            if [ ! -z "$OLD_YEARLY_INSTANCES" ]; then
+                _info_blue " ------> Yearly Backup Instance(s) to be removed Found"
+                for OLD_YEARLY_INSTANCE in $OLD_YEARLY_INSTANCES
+                do
+                    _info_action " ---------> Remove Yearly Instance ${OLD_YEARLY_INSTANCE}"
+                    ${OPENSTACK} image delete ${OLD_YEARLY_INSTANCE}
+                done
+            else
+                _info_blue " ------> No Old Yearly Backup Instance found"
+            fi
+        else
+            _info_blue " ------> Monthly Yearly disabled"
+        fi
     done
-else
-  date +"[%Y-%m-%d_%HH%M] No Old Backup Volume found"  >>${LOG_FILE} 2>&1
-fi
+}
 
-date +"[%Y-%m-%d_%HH%M] => Manage Retention for Backup Instances"  >>${LOG_FILE} 2>&1
+function job_details(){
+    _info_blue "#######################################################################################"
+    _info_blue "Starting Backup Job "
+    PJT_DESC=$(${OPENSTACK} project show ${OS_TENANT_ID} -f json | ${JQ} -r '.description')
+    _info_blue " ---> Project Description : ${PJT_DESC}"
+    _info_blue " ---> Region : ${OS_REGION_NAME}"
 
-date +"[%Y-%m-%d_%HH%M] ---> List all Backup Instances"  >>${LOG_FILE} 2>&1
-/usr/bin/openstack image list -f json| jq -r '.[].Name|select(. | startswith("Backup_"))' >>${LOG_FILE} 2>&1
+    if [ ! -z "$OS_USERNAME" ]; then
+        _info_blue " ---> User Id: ${OS_USERNAME}"
+    fi
 
-if OLD_INSTANCES=$(/usr/bin/openstack image list -f json| jq -r '.[].Name|select(. | startswith("Backup_"))' | sed "1,${DAILY_RETENTION}d"); then
+    if [ ! -z "$OS_APPLICATION_CREDENTIAL_ID" ]; then
+        _info_blue " ---> Application Role Id : ${OS_APPLICATION_CREDENTIAL_ID}"
+    fi
 
-    date +"[%Y-%m-%d_%HH%M] ---> Backup Instance(s) to be removed Found"  >>${LOG_FILE} 2>&1
-    for OLD_INSTANCE in $INSTANCES
-    do
-        date +"[%Y-%m-%d_%HH%M] ------> Remove Backup Instance ${OLD_INSTANCE}"  >>${LOG_FILE} 2>&1
-        /usr/bin/openstack image delete ${OLD_INSTANCE}  >>${LOG_FILE} 2>&1
+    _info_blue " ---> Retention Details"
+    _info_blue "       --> Daily Retention : ${DAILY_RETENTION} Day(s)"
 
-    done
-else
-  date +"[%Y-%m-%d_%HH%M] No Old Backup Instances found"  >>${LOG_FILE} 2>&1
-fi
+    if [ "${MONTHLY_RETENTION}" != "0" ]; then
+        _info_blue "       --> Monthly Retention : ${MONTHLY_RETENTION} Month(s)"
+    else
+        _info_blue "       --> Monthly Retention : Disabled"
+    fi
+    
+    if [ "${YEARLY_RETENTION}" != "0" ]; then
+        _info_blue "       --> Yearly Retention : ${YEARLY_RETENTION} Year(s)"
+    else
+        _info_blue "       --> Yearly Retention : Disabled"
+    fi
+
+    _info_blue "#######################################################################################"
+
+}
+
+function _info() {
+        echo -e "\e[92m$(date +"[%Y-%m-%d_%HH%M] [INFO]") ${1}\e[0m"
+}
+
+function _info_blue() {
+        echo -e "\e[38;5;33m$(date +"[%Y-%m-%d_%HH%M] [INFO]") ${1}\e[0m"
+}
+
+function _info_action() {
+        echo -e "\e[38;5;129m$(date +"[%Y-%m-%d_%HH%M] [INFO]") ${1}\e[0m"
+}
+
+function _err(){
+        echo -e "\e[38;5;196m$(date +"[%Y-%m-%d_%HH%M] [ERROR]") ${1}\e[0m"
+}
+
+function _warning(){
+        echo -e "\e[38;5;214m$(date +"[%Y-%m-%d_%HH%M] [WARNING]") ${1}\e[0m"
+}
+
+function main() {
+    job_details
+    exit
+    check_prerequistes
+    backup
+    check_backup
+    manage_retention
+}
+
+main "$@"
+
+exit ${EXIT}
\ No newline at end of file