chg: [zato] handle load_balancer config for https

zato/hooks/web_proxy-relation-joined

@@ -1,12 +1,23 @@
 #!/bin/bash
 
 DOMAIN=$(relation-get domain) || exit 1
+DEST_LETSENCRYPT_FULLCHAIN="$SERVICE_DATASTORE/opt/zato/letsencrypt-fullchain.pem"
+CUSTOM_CREATE_LB_PATH="/opt/zato/3.2.0/code/zato-cli/src/zato/cli/create_lb.py"
 
 set -e
 
+mkdir -p "${DEST_LETSENCRYPT_FULLCHAIN%/*}"
+
+cat $DATASTORE/letsencrypt/etc/letsencrypt/live/$DOMAIN/{fullchain,privkey}.pem > "$DEST_LETSENCRYPT_FULLCHAIN" || exit 1
+
+# adding custom config file to handle https in load_balancer with letsencrypt-fullchain certificate
+
 config-add "\
 services:
   $MASTER_BASE_SERVICE_NAME:
-    environment:
-      Zato_Dashboard_CSRF_Trusted_Origins: \"$DOMAIN\"
+    volumes:
+      - $BASE_CHARM_PATH/resources/$CUSTOM_CREATE_LB_PATH:$CUSTOM_CREATE_LB_PATH
+      - $DEST_LETSENCRYPT_FULLCHAIN:/opt/zato/letsencrypt-fullchain.pem
 "
+
+info "Configured $SERVICE_NAME load_balancer with HTTPS support."