Add 'mv_domain.sh' script

This commit adds a new 'mv_domain.sh' script that moves from an old set
of wildcard domains to a new one.

distillery/mv_domain.sh

@@ -0,0 +1,85 @@
+#!/bin/bash
+set -e
+
+# read the lib/shared.sh and read the slug argument. 
+DISABLE_LOG=1
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
+cd "$DIR"
+source "$DIR/lib/lib.sh"
+unset DISABLE_LOG
+require_slug_argument
+
+
+# if the site doesn't exist, I can't open a shell. 
+if ! sql_bookkeep_exists "$SLUG"; then
+    log_error "=> Site '$SLUG' does not exist in bookeeping table. "
+    echo "I can't show info about it. "
+    exit 1
+fi;
+
+# Read everything from the database
+read -r INSTANCE_BASE_DIR MYSQL_DATABASE MYSQL_USER GRAPHDB_REPO GRAPHDB_USER GRAPHDB_PASSWORD <<< "$(sql_bookkeep_load "${SLUG}" "filesystem_base,sql_database,sql_user,graphdb_repository,graphdb_user,graphdb_password" | tail -n +2)"
+
+GRAPHDB_HEADER="$(printf "%s:%s" "$GRAPHDB_USER" "$GRAPHDB_PASSWORD" | base64 -w 0)"
+
+NEW_DOMAIN="wisski.data.fau.de"
+NEW_INSTANCE_DOMAIN="$SLUG.$NEW_DOMAIN"
+NEW_INSTANCE_DOMAIN="$(echo "$NEW_INSTANCE_DOMAIN" | tr '[:upper:]' '[:lower:]')"
+NEW_INSTANCE_BASE_DIR="$DEPLOY_INSTANCES_DIR/$NEW_INSTANCE_DOMAIN"
+NEW_INSTANCE_DATA_DIR="$NEW_INSTANCE_BASE_DIR/data/"
+NEW_LETSENCRYPT_HOST="$NEW_INSTANCE_DOMAIN"
+
+CONFIG_FILE="$INSTANCE_BASE_DIR/.env"
+NEW_CONFIG_FILE="$INSTANCE_BASE_DIR/.envnew"
+OLD_CONFIG_FILE="$INSTANCE_BASE_DIR/.envold"
+
+log_info " => New Configuration for \'$NEW_DOMAIN\'"
+
+echo "NEW_DOMAIN=$NEW_DOMAIN"
+echo "NEW_INSTANCE_DOMAIN=$NEW_INSTANCE_DOMAIN"
+echo "NEW_INSTANCE_BASE_DIR=$NEW_INSTANCE_BASE_DIR"
+
+echo " => Preparing new configuration file"
+
+load_template "docker-env/barrel" \
+    "REAL_PATH" "${NEW_INSTANCE_DATA_DIR}" \
+    "GLOBAL_AUTHORIZED_KEYS_FILE" "${GLOBAL_AUTHORIZED_KEYS_FILE}" \
+    "VIRTUAL_HOST" "${NEW_INSTANCE_DOMAIN}" \
+    "SLUG" "${SLUG}" \
+    "LETSENCRYPT_HOST" "${NEW_LETSENCRYPT_HOST}" \
+    "LETSENCRYPT_EMAIL" "${LETSENCRYPT_EMAIL}" \
+    "DISTILLERY_DIR" "${DIR}" | tee "$NEW_CONFIG_FILE"
+
+while true; do
+    log_info " => I'm about to make breaking changes. "
+    read -p "This can not be undone. Please type 'y' to continue: " yn
+    case $yn in
+        [Yy]* ) break;;
+        * ) echo "Abort. "; exit 1;;
+    esac
+done
+
+log_info " => Shutting down old system"
+
+cd "$INSTANCE_BASE_DIR"
+docker-compose down
+cd "$DIR"
+
+log_info " => Writing new configuration files"
+mv "$CONFIG_FILE" "$OLD_CONFIG_FILE"
+mv "$NEW_CONFIG_FILE" "$CONFIG_FILE"
+
+log_info " => Moving base directory"
+mv "$INSTANCE_BASE_DIR" "$NEW_INSTANCE_BASE_DIR"
+
+log_info " => Updating bookeeping"
+dockerized_mysql -D "$DISTILLERY_BOOKKEEPING_DATABASE" -e "UPDATE \`$DISTILLERY_BOOKKEEPING_TABLE\` SET \`filesystem_base\`='$NEW_INSTANCE_BASE_DIR' WHERE \`slug\`='$SLUG';"
+
+log_info " => Starting in new location"
+cd "$NEW_INSTANCE_BASE_DIR"
+docker-compose up -d
+
+log_info " => Updating trusted hosts"
+docker-compose exec barrel /user_shell.sh /utils/set_trusted_host.sh
+
+log_info " => We should be moved to '$NEW_INSTANCE_DOMAIN' now"