Add script for creating backups

scripts/run_backup.sh

@@ -0,0 +1,109 @@
+#!/usr/bin/env bash
+# This script is to be run in the root of the repository
+
+set -e
+
+PROJECT_DIR="."
+BACKUPS_DIR_HOST="$PROJECT_DIR/backups"
+BACKUPS_TO_KEEP=24
+
+# Load environment variables from .env file
+# Used for PUID and PGID
+set -a # automatically export all variables
+source "$PROJECT_DIR/.env"
+set +a
+
+# Create backup directory
+DATE="$(date +\%Y-\%m-\%d_\%H-\%M-\%S)"
+BACKUP_DIR_HOST="$BACKUPS_DIR_HOST/$DATE"
+
+mkdir -p "$BACKUP_DIR_HOST"
+mkdir -p "$BACKUP_DIR_HOST/fabric/data"
+mkdir -p "$BACKUP_DIR_HOST/paper/data"
+mkdir -p "$BACKUP_DIR_HOST/paper/data/plugins/Multiverse-Core"
+mkdir -p "$BACKUP_DIR_HOST/paper/data/plugins/Multiverse-Inventories"
+mkdir -p "$BACKUP_DIR_HOST/velocity/data/plugins/dclink-velocity"
+
+chown -R "$PUID:$PGID" "$BACKUP_DIR_HOST"
+chmod -R 770 "$BACKUP_DIR_HOST"
+
+# Announce backup is starting
+docker exec illegal_crime_fabric rcon-cli "tellraw @a [{\"text\":\"Server\",\"color\":\"light_purple\"},{\"text\":\": Backup is starting\",\"color\":\"white\"}]"
+docker exec illegal_crime_paper rcon-cli "tellraw @a [{\"text\":\"Server\",\"color\":\"light_purple\"},{\"text\":\": Backup is starting\",\"color\":\"white\"}]"
+
+# Disable autosaving
+docker exec illegal_crime_fabric rcon-cli save-off
+docker exec illegal_crime_paper rcon-cli save-off
+
+# Manually save to ensure recent changes are included in backup
+docker exec illegal_crime_fabric rcon-cli save-all
+docker exec illegal_crime_paper rcon-cli save-all
+
+# Dump luckperms database
+PG_USER="luckperms"
+PG_DB="luckperms"
+BACKUP_DIR_CONTAINER="/backups/$DATE"
+docker exec illegal_crime_luckperms_db pg_dump -U "$PG_USER" -F c -b -v -f "$BACKUP_DIR_CONTAINER/luckperms.sql" "$PG_DB"
+
+# Copy WorldEdit schematics
+cp -r "$PROJECT_DIR/schematics" "$BACKUP_DIR_HOST/"
+
+# Copy dclink database
+cp "$PROJECT_DIR/velocity/data/plugins/dclink-velocity/dclink.db" "$BACKUP_DIR_HOST/velocity/data/plugins/dclink-velocity/"
+
+# Copy Multiverse files
+cp -r "$PROJECT_DIR/paper/data/plugins/Multiverse-Core/worlds.yml" "$BACKUP_DIR_HOST/paper/data/plugins/Multiverse-Core/"
+cp -r "$PROJECT_DIR/paper/data/plugins/Multiverse-Inventories/groups.yml" "$BACKUP_DIR_HOST/paper/data/plugins/Multiverse-Inventories/"
+cp -r "$PROJECT_DIR/paper/data/plugins/Multiverse-Inventories/groups" "$BACKUP_DIR_HOST/paper/data/plugins/Multiverse-Inventories/"
+cp -r "$PROJECT_DIR/paper/data/plugins/Multiverse-Inventories/players" "$BACKUP_DIR_HOST/paper/data/plugins/Multiverse-Inventories/"
+cp -r "$PROJECT_DIR/paper/data/plugins/Multiverse-Inventories/worlds" "$BACKUP_DIR_HOST/paper/data/plugins/Multiverse-Inventories/"
+
+# Copy Minecraft worlds
+cp -r "$PROJECT_DIR/fabric/data/world" "$BACKUP_DIR_HOST/fabric/data/"
+cp -r "$PROJECT_DIR/paper/data/survival" "$BACKUP_DIR_HOST/paper/data/"
+cp -r "$PROJECT_DIR/paper/data/survival_nether" "$BACKUP_DIR_HOST/paper/data/"
+cp -r "$PROJECT_DIR/paper/data/survival_the_end" "$BACKUP_DIR_HOST/paper/data/"
+
+# Enable autosaving
+docker exec illegal_crime_fabric rcon-cli save-on
+docker exec illegal_crime_paper rcon-cli save-on
+
+# Announce backup is complete
+docker exec illegal_crime_fabric rcon-cli "tellraw @a [{\"text\":\"Server\",\"color\":\"light_purple\"},{\"text\":\": Backup is complete\",\"color\":\"white\"}]"
+docker exec illegal_crime_paper rcon-cli "tellraw @a [{\"text\":\"Server\",\"color\":\"light_purple\"},{\"text\":\": Backup is complete\",\"color\":\"white\"}]"
+
+# Create or update symlink pointing to latest backup
+mkdir -p "$BACKUPS_DIR_HOST/markers"
+LATEST_SYMLINK="$BACKUPS_DIR_HOST/markers/latest"
+if [ -L "$LATEST_SYMLINK" ]; then
+    # Symlink exists. Updating it.
+    rm "$LATEST_SYMLINK"
+    ln -s "../$DATE" "$LATEST_SYMLINK"
+elif [ -e "$LATEST_SYMLINK" ]; then
+    # File exists but it's not a symlink.
+    rm -f "$LATEST_SYMLINK"
+    ln -s "../$DATE" "$LATEST_SYMLINK"
+else
+    # Symlink does not exists. Creating it.
+    ln -s "../$DATE" "$LATEST_SYMLINK"
+fi
+
+# Remove old backups
+BACKUP_DIRS=$(find "$BACKUPS_DIR_HOST" -mindepth 1 -maxdepth 1 -type d ! -name "markers" | sort)
+TOTAL_BACKUPS=$(echo "$BACKUP_DIRS" | wc -l)
+
+echo "TOTAL_BACKUPS: $TOTAL_BACKUPS, BACKUPS_TO_KEEP: $BACKUPS_TO_KEEP"
+
+if ((TOTAL_BACKUPS > BACKUPS_TO_KEEP)); then
+    BACKUPS_TO_REMOVE=$((TOTAL_BACKUPS - BACKUPS_TO_KEEP))
+    BACKUPS_TO_DELETE=$(echo "$BACKUP_DIRS" | head -n "$BACKUPS_TO_REMOVE")
+    for BACKUP in $BACKUPS_TO_DELETE; do
+        echo "Removing $BACKUP"
+        rm -r "$BACKUP"
+    done
+fi
+
+# Update permissions of backed up files
+chown -R "$PUID:$PGID" "$BACKUPS_DIR_HOST"
+chmod -R 770 "$BACKUPS_DIR_HOST"
+