Add support for Incremental Backups (hestiacp#3960)

Add support for Incremental backups via Restic

Author: jaapmarcus

bin/v-add-backup-host

@@ -25,6 +25,8 @@ port=$6
 arch=$(arch)
 
 # Includes
+# shellcheck source=/etc/hestiacp/hestia.conf
+source /etc/hestiacp/hestia.conf
 # shellcheck source=/usr/local/hestia/func/main.sh
 source $HESTIA/func/main.sh
 # load config file

bin/v-add-backup-host-restic

@@ -0,0 +1,84 @@
+#!/bin/bash
+# info: add backup host
+# options: TYPE HOST USERNAME PASSWORD [PATH] [PORT]
+#
+# example: v-add-backup-host sftp backup.acme.com admin p4$$w@Rd
+#          v-add-backup-host b2 bucketName keyID applicationKey
+#
+# Add a new remote backup location. Currently SFTP, FTP and Backblaze are supported
+
+#----------------------------------------------------------#
+#                Variables & Functions                     #
+#----------------------------------------------------------#
+
+# Argument definition
+repo=$1
+snapshots=$2
+daily=$3
+weekly=$4
+monthly=$5
+yearly=$6
+
+# CPU Architecture
+arch=$(arch)
+
+# Includes
+# shellcheck source=/etc/hestiacp/hestia.conf
+source /etc/hestiacp/hestia.conf
+# shellcheck source=/usr/local/hestia/func/main.sh
+source $HESTIA/func/main.sh
+# load config file
+source_conf "$HESTIA/conf/hestia.conf"
+# Fetch current verison B2 CLI tool
+source_conf "$HESTIA/install/upgrade/upgrade.conf"
+
+is_negative_one_or_int() {
+	if [[ "$1" != '-1' ]]; then
+		is_int_format_valid "$1" "$2"
+	fi
+}
+
+#----------------------------------------------------------#
+#                    Verifications                         #
+#----------------------------------------------------------#
+
+check_args '6' "$#" "REPO SNAPSHOTS DAILY WEEKLY MONTHLY YEARLY"
+
+format_no_quotes $repo 'Repository host'
+is_negative_one_or_int $snapshots 'Snapshots'
+is_negative_one_or_int $daily 'Daily snapshots'
+is_negative_one_or_int $weekly 'Weekly snapshots'
+is_negative_one_or_int $monthly 'Monthly snapshots'
+is_negative_one_or_int $yearly 'Yearly snapshots'
+
+# Perform verification if read-only mode is enabled
+check_hestia_demo_mode
+
+#----------------------------------------------------------#
+#                       Action                             #
+#----------------------------------------------------------#
+
+# Check if Restic is allready installed if not install it ...
+if ! which /usr/bin/restic > /dev/null 2>&1; then
+	apt install restic
+fi
+# Update restic to last release
+restic self-update > /dev/null 2>&1
+
+echo "REPO='$repo'" > /usr/local/hestia/conf/restic.conf
+echo "SNAPSHOTS='$snapshots'" >> /usr/local/hestia/conf/restic.conf
+echo "KEEP_DAILY='$daily'" >> /usr/local/hestia/conf/restic.conf
+echo "KEEP_WEEKLY='$weekly'" >> /usr/local/hestia/conf/restic.conf
+echo "KEEP_MONTHLY='$monthly'" >> /usr/local/hestia/conf/restic.conf
+echo "KEEP_YEARLY='$yearly'" >> /usr/local/hestia/conf/restic.conf
+
+$BIN/v-change-sys-config-value 'BACKUP_INCREMENTAL' 'yes'
+
+#----------------------------------------------------------#
+#                       Hestia                             #
+#----------------------------------------------------------#
+
+# Logging
+log_event "$OK" "$ARGUMENTS"
+
+exit

bin/v-add-user-package

@@ -71,6 +71,7 @@ is_package_consistent() {
 		is_int_format_valid "$BANDWIDTH" 'BANDWIDTH'
 	fi
 	is_int_format_valid "$BACKUPS" 'BACKUPS'
+	is_boolean_format_valid "$BACKUPS_INCREMENTAL" 'BACKUP_INCREMENTAL'
 	if [ -n "$WEB_TEMPLATE" ]; then
 		is_web_template_valid "$WEB_TEMPLATE"
 	fi
@@ -151,6 +152,7 @@ NS='$NS'
 SHELL='$SHELL'
 SHELL_JAIL_ENABLED='$SHELL_JAIL_ENABLED'
 BACKUPS='$BACKUPS'
+BACKUPS_INCREMENTAL='$BACKUP_INCREMENTAL'
 TIME='$time'
 DATE='$date'
 " > "$HESTIA/data/packages/$package.pkg"