gravity-sync/includes/gs-smart.sh

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# GRAVITY SYNC BY VMSTAN #####################
# gs-smart.sh ################################
# For documentation or downloading updates visit https://github.com/vmstan/gravity-sync
# This code is called from the main gravity-sync.sh file and should not execute directly!
## Smart Task
function task_smart {
TASKTYPE='SMART'
MESSAGE="${MESSAGE}: ${TASKTYPE} Requested"
echo_good
show_target
validate_gs_folders
validate_ph_folders
validate_sqlite3
validate_os_sshpass
smart_gs
exit
}
## Smart Sync Function
function smart_gs {
previous_md5
md5_compare
backup_settime
PRIDBCHANGE="0"
SECDBCHANGE="0"
PRICLCHANGE="0"
SECCLCHANGE="0"
if [ "${primaryDBMD5}" != "${last_primaryDBMD5}" ]
then
PRIDBCHANGE="1"
fi
if [ "${secondDBMD5}" != "${last_secondDBMD5}" ]
then
SECDBCHANGE="1"
fi
if [ "${PRIDBCHANGE}" == "${SECDBCHANGE}" ]
then
if [ "${PRIDBCHANGE}" != "0" ]
then
MESSAGE="Both ${GRAVITY_FI} Changed"
echo_warn
PRIDBDATE=$(${SSHPASSWORD} ${SSH_CMD} -p ${SSH_PORT} -i "$HOME/${SSH_PKIF}" ${REMOTE_USER}@${REMOTE_HOST} "stat -c %Y ${PIHOLE_DIR}/${GRAVITY_FI}")
SECDBDATE=$(stat -c %Y ${PIHOLE_DIR}/${GRAVITY_FI})
if [ "${PRIDBDATE}" -gt "$SECDBDATE" ]
then
MESSAGE="Primary ${GRAVITY_FI} Last Changed"
echo_info
pull_gs_grav
PULLRESTART="1"
else
MESSAGE="Secondary ${GRAVITY_FI} Last Changed"
echo_info
push_gs_grav
PUSHRESTART="1"
fi
fi
else
if [ "${PRIDBCHANGE}" != "0" ]
then
pull_gs_grav
PULLRESTART="1"
elif [ "${SECDBCHANGE}" != "0" ]
then
push_gs_grav
PUSHRESTART="1"
fi
fi
if [ "${primaryCLMD5}" != "${last_primaryCLMD5}" ]
then
PRICLCHANGE="1"
fi
if [ "${secondCLMD5}" != "${last_secondCLMD5}" ]
then
SECCLCHANGE="1"
fi
if [ "$SKIP_CUSTOM" != '1' ]
then
if [ -f "${PIHOLE_DIR}/${CUSTOM_DNS}" ]
then
if [ "${PRICLCHANGE}" == "${SECCLCHANGE}" ]
then
if [ "${PRICLCHANGE}" != "0" ]
then
MESSAGE="Both ${CUSTOM_DNS} Changed"
echo_warn
PRICLDATE=$(${SSHPASSWORD} ${SSH_CMD} -p ${SSH_PORT} -i "$HOME/${SSH_PKIF}" ${REMOTE_USER}@${REMOTE_HOST} "stat -c %Y ${PIHOLE_DIR}/${CUSTOM_DNS}")
SECCLDATE=$(stat -c %Y ${PIHOLE_DIR}/${CUSTOM_DNS})
if [ "${PRICLDATE}" -gt "${SECCLDATE}" ]
then
MESSAGE="Primary ${CUSTOM_DNS} Last Changed"
echo_info
pull_gs_cust
PULLRESTART="1"
else
MESSAGE="Secondary ${CUSTOM_DNS} Last Changed"
echo_info
push_gs_cust
PUSHRESTART="1"
fi
fi
else
if [ "${PRICLCHANGE}" != "0" ]
then
pull_gs_cust
PULLRESTART="1"
elif [ "${SECCLCHANGE}" != "0" ]
then
push_gs_cust
PUSHRESTART="1"
fi
fi
else
pull_gs_cust
PULLRESTART="1"
fi
fi
if [ "$PULLRESTART" == "1" ]
then
pull_gs_reload
fi
if [ "$PUSHRESTART" == "1" ]
then
push_gs_reload
fi
md5_recheck
logs_export
exit_withchange
}