scale-catalog/functions/backup.sh
Kjeld Schouten-Lebbing 5e675ab7ae Fix heavybugs
2022-12-27 16:27:44 +01:00

312 lines
11 KiB
Bash
Executable File

#!/bin/bash
backup(){
echo_backup+=("🄱 🄰 🄲 🄺 🅄 🄿 🅂")
echo_backup+=("Number of backups was set to $number_of_backups")
date=$(date '+%Y_%m_%d_%H_%M_%S')
[[ "$verbose" == "true" ]] && cli -c 'app kubernetes backup_chart_releases backup_name=''"'TrueTool_"$date"'"' &> /dev/null && echo_backup+=(TrueTool_"$date")
[[ -z "$verbose" ]] && echo_backup+=("\nNew Backup Name:") && cli -c 'app kubernetes backup_chart_releases backup_name=''"'TrueTool_"$date"'"' | tail -n 1 &> /dev/null && echo_backup+=(TrueTool_"$date")
mapfile -t list_backups < <(cli -c 'app kubernetes list_backups' | grep -E "HeavyScript_|TrueTool_" | sort -t '_' -Vr -k2,7 | awk -F '|' '{print $2}'| tr -d " \t\r")
if [[ ${#list_backups[@]} -gt "$number_of_backups" ]]; then
echo_backup+=("\nDeleted the oldest backup(s) for exceeding limit:")
overflow=$(( ${#list_backups[@]} - "$number_of_backups" ))
mapfile -t list_overflow < <(cli -c 'app kubernetes list_backups' | grep -E "HeavyScript_|TrueTool_" | sort -t '_' -V -k2,7 | awk -F '|' '{print $2}'| tr -d " \t\r" | head -n "$overflow")
for i in "${list_overflow[@]}"
do
cli -c 'app kubernetes delete_backup backup_name=''"'"$i"'"' &> /dev/null || echo_backup+=("Failed to delete $i")
echo_backup+=("$i")
done
fi
#Dump the echo_array, ensures all output is in a neat order.
for i in "${echo_backup[@]}"
do
echo -e "$i"
done
echo
echo
}
export -f backup
deleteBackup(){
clear -x && echo "pulling all restore points.."
# shellcheck disable=SC2178
list_backups=$(cli -c 'app kubernetes list_backups' | sort -t '_' -Vr -k2,7 | tr -d " \t\r" | awk -F '|' '{print $2}' | nl -s ") " | column -t)
# shellcheck disable=SC2128
if [[ -z "$list_backups" ]]; then
echo "No restore points available"
exit
fi
#Select a restore point
while true
do
clear -x
title
echo -e "Choose a Restore Point to Delete\nThese may be out of order if they are not TrueTool backups"
echo "$list_backups"
echo
echo "0) Exit"
read -rt 240 -p "Please type a number: " selection || { echo -e "\nFailed to make a selection in time" ; exit; }
restore_point=$(echo "$list_backups" | grep ^"$selection)" | awk '{print $2}')
if [[ $selection == 0 ]]; then
echo "Exiting.."
exit
elif [[ -z "$selection" ]]; then
echo "Your selection cannot be empty"
sleep 3
continue
elif [[ -z "$restore_point" ]]; then
echo "Invalid Selection: $selection, was not an option"
sleep 3
continue
fi
break # Break out of the loop if all of the If statement checks above are untrue
done
#Confirm deletion
while true
do
clear -x
echo -e "WARNING:\nYou CANNOT go back after deleting your restore point"
echo -e "\n\nYou have chosen:\n$restore_point\n\n"
read -rt 120 -p "Would you like to proceed with deletion? (y/N): " yesno || { echo -e "\nFailed to make a selection in time" ; exit; }
case $yesno in
[Yy] | [Yy][Ee][Ss])
echo -e "\nDeleting $restore_point"
cli -c 'app kubernetes delete_backup backup_name=''"'"$restore_point"'"' &>/dev/null || { echo "Failed to delete backup.."; exit; }
echo "Sucessfully deleted"
break
;;
[Nn] | [Nn][Oo])
echo "Exiting"
exit
;;
*)
echo "That was not an option, try again"
sleep 3
continue
;;
esac
done
#Check if there are more backups to delete
while true
do
read -rt 120 -p "Delete more backups? (y/N): " yesno || { echo -e "\nFailed to make a selection in time" ; exit; }
case $yesno in
[Yy] | [Yy][Ee][Ss])
deleteBackup
break
;;
[Nn] | [Nn][Oo])
exit
;;
*)
echo "$yesno was not an option, try again"
sleep 2
continue
;;
esac
done
}
export -f deleteBackup
restore(){
clear -x && echo "pulling restore points.."
list_backups=$(cli -c 'app kubernetes list_backups' | grep -E "HeavyScript_|TrueTool_" | sort -t '_' -Vr -k2,7 | tr -d " \t\r" | awk -F '|' '{print $2}' | nl -s ") " | column -t)
if [[ -z "$list_backups" ]]; then
echo "No TrueTool restore points available"
exit
fi
#Select a restore point
while true
do
clear -x
title
echo "Choose a Restore Point"
echo "$list_backups"
echo
echo "0) Exit"
read -rt 240 -p "Please type a number: " selection || { echo -e "\nFailed to make a selection in time" ; exit; }
restore_point=$(echo "$list_backups" | grep ^"$selection)" | awk '{print $2}')
if [[ $selection == 0 ]]; then
echo "Exiting.."
exit
elif [[ -z "$selection" ]]; then
echo "Your selection cannot be empty"
sleep 3
continue
elif [[ -z "$restore_point" ]]; then
echo "Invalid Selection: $selection, was not an option"
sleep 3
continue
fi
break
done
## Check to see if empty PVC data is present in any of the applications ##
# Find all pv_info.json files two subfolders deep with the restore point name
pool=$(cli -c 'app kubernetes config' | grep -E "pool\s\|" | awk -F '|' '{print $3}' | tr -d " \t\n\r")
files=$(find "$(find /mnt/"$pool"/ix-applications/backups -maxdepth 0 )" -name pv_info.json | grep "$restore_point");
# Iterate over the list of files
for file in $files; do
# Check if the file only contains {} subfolders
contents=$(cat "$file")
if [[ "$contents" == '{}' ]]; then
# Print the file if it meets the criterion
file=$(echo "$file" | awk -F '/' '{print $7}')
borked_array+=("${file}")
fi
done
# Grab applications that are supposed to have PVC data
mapfile -t apps_with_pvc < <(k3s kubectl get pvc -A | sort -u | awk '{print $1 "\t" $2 "\t" $4}' | sed "s/^0/ /" | awk '{print $1}' | cut -c 4-)
# Iterate over the list of applications with empty PVC data
# Unset the application if it is not supposed to have PVC data
index=0
for app in "${borked_array[@]}"; do
if ! printf '%s\0' "${apps_with_pvc[@]}" | grep -iFxqz "${app}" ; then
unset "borked_array[$index]"
else
borked=True
fi
((index++))
done
# If there is still empty PVC data, exit
if [[ $borked == True ]]; then
echo "Warning!:"
echo "The following applications have empty PVC data:"
for app in "${borked_array[@]}"; do
echo -e "$app"
done
echo "We have no choice but to exit"
echo "If you were to restore, you would lose all of your application data"
echo "If you are on Bluefin version: 22.12.0, and have not yet ran the patch, you will need to run it"
echo "Afterwards you will be able to create backups and restore them"
echo "This is a known ix-systems bug and has nothing to do with TrueTool"
exit
fi
## Check the restore point, and ensure it is the same version as the current system ##
# Boot Query
boot_query=$(cli -m csv -c 'system bootenv query created,realname')
# Get the date of system version and when it was updated
current_version=$(cli -m csv -c 'system version' | awk -F '-' '{print $3}')
when_updated=$(echo "$boot_query" | grep "$current_version",\
| awk -F ',' '{print $2}' | sed 's/[T|-]/_/g' | sed 's/:/_/g' | awk -F '_' '{print $1 $2 $3 $4 $5}')
# Get the date of the chosen restore point
restore_point_date=$(echo "$restore_point" | awk -F '_' '{print $2 $3 $4 $5 $6}' | tr -d "_")
# Grab previous version
previous_version=$(echo "$boot_query" | sort -nr | grep -A 1 "$current_version," | tail -n 1)
# Compare the dates
while (("$restore_point_date" < "$when_updated" ))
do
clear -x
echo "The restore point you have chosen is from an older version of Truenas Scale"
echo "This is not recommended, as it may cause issues with the system"
echo "Either that, or your systems date is incorrect.."
echo
echo "Current SCALE Information:"
echo "Version: $current_version"
echo "When Updated: $(echo "$restore_point" | awk -F '_' '{print $2 "-" $3 "-" $4}')"
echo
echo "Restore Point SCALE Information:"
echo "Version: $(echo "$previous_version" | awk -F ',' '{print $1}')"
echo "When Updated: $(echo "$previous_version" | awk -F ',' '{print $2}' | awk -F 'T' '{print $1}')"
echo
read -rt 120 -p "Would you like to proceed? (y/N): " yesno || { echo -e "\nFailed to make a selection in time" ; exit; }
case $yesno in
[Yy] | [Yy][Ee][Ss])
echo "Proceeding.."
sleep 3
break
;;
[Nn] | [Nn][Oo])
echo "Exiting"
exit
;;
*)
echo "That was not an option, try again"
sleep 3
continue
;;
esac
done
#Confirm restore
while true
do
clear -x
echo -e "WARNING:\nThis is NOT guranteed to work\nThis is ONLY supposed to be used as a LAST RESORT\nConsider rolling back your applications instead if possible"
echo -e "\n\nYou have chosen:\n$restore_point\n\n"
read -rt 120 -p "Would you like to proceed with restore? (y/N): " yesno || { echo -e "\nFailed to make a selection in time" ; exit; }
case $yesno in
[Yy] | [Yy][Ee][Ss])
pool=$(cli -c 'app kubernetes config' | grep -E "pool\s\|" | awk -F '|' '{print $3}' | tr -d " \t\n\r")
# Set mountpoints to legacy prior to restore, ensures correct properties for the are set
echo -e "\nSetting correct ZFS properties for application volumes.."
for pvc in $(zfs list -t filesystem -r "$pool"/ix-applications/releases -o name -H | grep "volumes/pvc")
do
if zfs set mountpoint=legacy "$pvc"; then
echo "Success for - \"$pvc\""
else
echo "Error: Setting properties for \"$pvc\", failed.."
fi
done
# Ensure readonly is turned off
if ! zfs set readonly=off "$pool"/ix-applications;then
echo -e "Error: Failed to set ZFS ReadOnly to \"off\""
echo -e "After the restore, attempt to run the following command manually:"
echo "zfs set readonly=off $pool/ix-applications"
fi
echo "Finished setting properties.."
# Beginning snapshot restore
echo -e "\nStarting restore, this will take a LONG time."
if ! cli -c 'app kubernetes restore_backup backup_name=''"'"$restore_point"'"'; then
echo "Restore failed, exiting.."
exit 1
fi
exit
;;
[Nn] | [Nn][Oo])
echo "Exiting"
exit
;;
*)
echo "That was not an option, try again"
sleep 3
continue
;;
esac
done
}
export -f restore