Telegraf intput.exec bash script. Script shows expire date and issuer

expire.sh

FILE_PATH="/root/choco.jks"
#1 - chain
ISSUER1=$(echo 'issuer' | keytool -list -storepass mypass -v -keystore $FILE_PATH 2> /dev/null | grep Issuer: | awk {'print$2,$3,$4,$5'} | sed 's/,//' | sed -n 1p | sed "s/ //g" | cut -c 4-)
KEYSTORE_UNTIL1=$(echo 'dummydummy' | keytool -list -storepass mypass -v -keystore $FILE_PATH 2>/dev/null | grep -i Until  | sed 's/.*until: //' | sed -n 1p)

#2 - chain
ISSUER2=$(echo 'issuer' | keytool -list -storepass mypass -v -keystore $FILE_PATH 2> /dev/null | grep Issuer: | awk {'print$2,$3,$4,$5'} | sed 's/,//' | sed -n 2p | sed "s/ //g" | cut -c 4-)
KEYSTORE_UNTIL2=$(echo 'dummydummy' | keytool -list -storepass mypass -v -keystore $FILE_PATH 2>/dev/null | grep -i Until  | sed 's/.*until: //' | sed -n 2p)

#3 - chain
ISSUER3=$(echo 'issuer' | keytool -list -storepass mypass -v -keystore $FILE_PATH 2> /dev/null | grep Issuer: | awk {'print$2,$3,$4,$5'} | sed 's/,//' | sed -n 3p | sed "s/ //g" | cut -c 4-)
KEYSTORE_UNTIL3=$(echo 'dummydummy' | keytool -list -storepass mypass -v -keystore $FILE_PATH 2>/dev/null | grep -i Until  | sed 's/.*until: //' | sed -n 3p)

#4 - chain
ISSUER4=$(echo 'issuer' | keytool -list -storepass mypass -v -keystore $FILE_PATH 2> /dev/null | grep Issuer: | awk {'print$2,$3,$4,$5'} | sed 's/,//' | sed -n 4p | sed "s/ //g" | cut -c 4-)
KEYSTORE_UNTIL4=$(echo 'dummydummy' | keytool -list -storepass mypass -v -keystore $FILE_PATH 2>/dev/null | grep -i Until  | sed 's/.*until: //' | sed -n 4p)

# This may be caused by unexistent file, return 1 year to skip checking.
#1 - chain
if [ -z "$KEYSTORE_UNTIL1" ]
then
    echo "$((360*24*60*60))"
    exit 0
fi

KEYSTORE_UNTIL_EPOCH1=$(date +%s --date="$KEYSTORE_UNTIL1")
NOW_EPOCH=$(date +%s)

#=========================================================================
#2 - chain
if [ -z "$KEYSTORE_UNTIL2" ]
then
    echo "$((360*24*60*60))"
    exit 0
fi

KEYSTORE_UNTIL_EPOCH2=$(date +%s --date="$KEYSTORE_UNTIL2")
NOW_EPOCH=$(date +%s)

#=========================================================================
#3 - chain
if [ -z "$KEYSTORE_UNTIL3" ]
then
    echo "$((360*24*60*60))"
        exit 0
        fi

KEYSTORE_UNTIL_EPOCH3=$(date +%s --date="$KEYSTORE_UNTIL3")
NOW_EPOCH=$(date +%s)

#========================================================================
#4 - chain
if [ -z "$KEYSTORE_UNTIL4" ]
then
    echo "$((360*24*60*60))"
    exit 0
fi

KEYSTORE_UNTIL_EPOCH4=$(date +%s --date="$KEYSTORE_UNTIL4")
NOW_EPOCH=$(date +%s)


echo "jks_cert,source=Chocolife,issuer=$ISSUER1 expire-date=$KEYSTORE_UNTIL_EPOCH1"
echo "jks_cert,source=Chocolife,issuer=$ISSUER2 expire-date=$KEYSTORE_UNTIL_EPOCH2"
echo "jks_cert,source=Chocolife,issuer=$ISSUER3 expire-date=$KEYSTORE_UNTIL_EPOCH3"
echo "jks_cert,source=Chocolife,issuer=$ISSUER4 expire-date=$KEYSTORE_UNTIL_EPOCH4"