backup: Use the default zulip backup system.

entrypoint.sh

@@ -56,6 +56,7 @@ prepareDirectories() {
     rm -rf /home/zulip/uploads
     ln -sfT "$DATA_DIR/uploads" /home/zulip/uploads
     chown zulip:zulip -R "$DATA_DIR/uploads"
+    chown zulip:zulip -R "$DATA_DIR/backups"
     # Link settings folder
     if [ "$LINK_SETTINGS_TO_DATA" = "True" ] || [ "$LINK_SETTINGS_TO_DATA" = "true" ]; then
         # Create settings directories
@@ -440,21 +441,11 @@ appManagePy() {
     exec su zulip -c "/home/zulip/deployments/current/manage.py $(printf '%q ' "$COMMAND" "$@")"
 }
 appBackup() {
-    echo "Starting backup process ..."
-    if [ -d "/tmp/backup-$(date "%D-%H-%M-%S")" ]; then
-        echo "Temporary backup folder for \"$(date "%D-%H-%M-%S")\" already exists. Aborting."
-        echo "Backup process failed. Exiting."
-        exit 1
-    fi
-    local BACKUP_FOLDER
-    BACKUP_FOLDER="/tmp/backup-$(date "%D-%H-%M-%S")"
-    mkdir -p "$BACKUP_FOLDER"
     waitingForDatabase
-    pg_dump -h "$DB_HOST" -p "$DB_HOST_PORT" -U "$DB_USER" "$DB_NAME" > "$BACKUP_FOLDER/database-postgres.sql"
-    tar -zcvf "$DATA_DIR/backups/backup-$(date "%D-%H-%M-%S").tar.gz" "$BACKUP_FOLDER/"
-    rm -r "${BACKUP_FOLDER:?}/"
-    echo "Backup process succeeded."
-    exit 0
+    echo "Starting backup process"
+    local BACKUP_FOLDER
+    BACKUP_FOLDER="/data/backups/backup-$(date "+%Y-%b-%d-%H-%M-%S").tar.gz"
+    exec su zulip -c "/home/zulip/deployments/current/manage.py backup --output $BACKUP_FOLDER"
 }
 appRestore() {
     echo "Starting restore process ..."
@@ -494,9 +485,7 @@ appRestore() {
     done
     echo "!! WARNING !! Starting restore process ... !! WARNING !!"
     waitingForDatabase
-    tar -zxvf "$DATA_DIR/backups/$BACKUP_FILE" -C /tmp
-    psql -h "$DB_HOST" -p "$DB_HOST_PORT" -U "$DB_USER" "$DB_NAME" < "/tmp/$(basename "$BACKUP_FILE" | cut -d. -f1)/database-postgres.sql"
-    rm -r "/tmp/$(basename  | cut -d. -f1)/"
+    /home/zulip/deployments/current/scripts/setup/restore-backup "$DATA_DIR/backups/$BACKUP_FILE"
     echo "Restore process succeeded. Exiting."
     exit 0
 }