Backup remote copy before push

This commit is contained in:
Michael Stanclift 2020-05-23 13:28:03 -05:00
parent cea755dab9
commit 851a5e0325
2 changed files with 11 additions and 9 deletions

2
.gitignore vendored
View File

@ -3,3 +3,5 @@ gravity.db.last
gravity-sync.conf
backup/*.last
backup/*.backup
backup/*.push
backup/*.pull

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@ -1,7 +1,7 @@
#!/bin/bash
# GRAVITY SYNC BY VMSTAN #####################
VERSION='1.2.4'
VERSION='1.2.5'
# Must execute from a location in the home folder of the user who own's it (ex: /home/pi/gravity-sync)
# Configure certificate based SSH authentication between the Pi-hole HA nodes - it does not use passwords
@ -67,12 +67,12 @@ function update_gs {
# Pull Function
function pull_gs {
TASKTYPE='PULL'
echo -e "[${CYAN}STAT${NC}] Copying ${GRAVITY_FI} from ${REMOTE_HOST}"
rsync -v -e 'ssh -p 22' ${REMOTE_USER}@${REMOTE_HOST}:${PIHOLE_DIR}/${GRAVITY_FI} $HOME/${LOCAL_FOLDR}/${BACKUP_FOLD}/${GRAVITY_FI}.last
echo -e "[${CYAN}STAT${NC}] Pulling ${GRAVITY_FI} from ${REMOTE_HOST}"
rsync -v -e 'ssh -p 22' ${REMOTE_USER}@${REMOTE_HOST}:${PIHOLE_DIR}/${GRAVITY_FI} $HOME/${LOCAL_FOLDR}/${BACKUP_FOLD}/${GRAVITY_FI}.pull
echo -e "[${CYAN}STAT${NC}] Backing Up Current ${GRAVITY_FI} on $HOSTNAME"
cp -v ${PIHOLE_DIR}/${GRAVITY_FI} $HOME/${LOCAL_FOLDR}/${BACKUP_FOLD}/${GRAVITY_FI}.backup
echo -e "[${CYAN}STAT${NC}] Replacing ${GRAVITY_FI} on $HOSTNAME"
sudo cp -v $HOME/${LOCAL_FOLDR}/${BACKUP_FOLD}/${GRAVITY_FI}.last ${PIHOLE_DIR}/${GRAVITY_FI}
sudo cp -v $HOME/${LOCAL_FOLDR}/${BACKUP_FOLD}/${GRAVITY_FI}.pull ${PIHOLE_DIR}/${GRAVITY_FI}
sudo chmod 644 ${PIHOLE_DIR}/${GRAVITY_FI}
sudo chown pihole:pihole ${PIHOLE_DIR}/${GRAVITY_FI}
echo -e "${GRAVITY_FI} ownership and file permissions reset"
@ -87,17 +87,17 @@ function pull_gs {
function push_gs {
TASKTYPE='PUSH'
echo -e "[${PURPLE}WARN${NC}] DATA LOSS IS POSSIBLE"
echo -e "The standard use of this script is to ${YELLOW}PULL${NC} data from the primary PH server to the secondary."
echo -e "By issuing a ${YELLOW}PUSH${NC} we will overwrite ${GRAVITY_FI} on ${YELLOW}${REMOTE_HOST}${NC} with ${YELLOW}$HOSTNAME${NC} server data."
echo -e "No backup copies are made on the primary Pihole before or after executing this command!"
echo -e "The standard use of this script is to ${YELLOW}PULL${NC} data from the primary PH server to the secondary. By issuing a ${YELLOW}PUSH${NC}, we will instead overwrite the ${GRAVITY_FI} on ${YELLOW}${REMOTE_HOST}${NC} with ${YELLOW}$HOSTNAME${NC} server data. A copy of the remote ${GRAVITY_FI} will be saved to this server at $HOME/${LOCAL_FOLDR}/${BACKUP_FOLD}/${GRAVITY_FI}.push"
echo -e ""
echo -e "Are you sure you want to overwrite the primary node configuration on ${REMOTE_HOST}?"
select yn in "Yes" "No"; do
case $yn in
Yes )
# echo "Replacing gravity.db on primary"
echo -e "[${CYAN}STAT${NC}] Copying ${GRAVITY_FI} to ${REMOTE_HOST}"
rsync --rsync-path="sudo rsync" -v --progress -e 'ssh -p 22' ${PIHOLE_DIR}/${GRAVITY_FI} ${REMOTE_USER}@${REMOTE_HOST}:${PIHOLE_DIR}/${GRAVITY_FI}
echo -e "[${CYAN}STAT${NC}] Backing Up ${GRAVITY_FI} from ${REMOTE_HOST}"
rsync -v -e 'ssh -p 22' ${REMOTE_USER}@${REMOTE_HOST}:${PIHOLE_DIR}/${GRAVITY_FI} $HOME/${LOCAL_FOLDR}/${BACKUP_FOLD}/${GRAVITY_FI}.push
echo -e "[${CYAN}STAT${NC}] Pushing ${GRAVITY_FI} to ${REMOTE_HOST}"
rsync --rsync-path="sudo rsync" -v -e 'ssh -p 22' ${PIHOLE_DIR}/${GRAVITY_FI} ${REMOTE_USER}@${REMOTE_HOST}:${PIHOLE_DIR}/${GRAVITY_FI}
echo -e "[${CYAN}STAT${NC}] Applying Rermissions to Remote ${GRAVITY_FI}"
ssh ${REMOTE_USER}@${REMOTE_HOST} "sudo chmod 644 ${PIHOLE_DIR}/${GRAVITY_FI}"
ssh ${REMOTE_USER}@${REMOTE_HOST} "sudo chown pihole:pihole ${PIHOLE_DIR}/${GRAVITY_FI}"