From 0f8c17c980362b9ce1c357a61e78ccdcab635eee Mon Sep 17 00:00:00 2001
From: Manuel Gutierrez <1380243+xr09@users.noreply.github.com>
Date: Fri, 2 Oct 2020 17:59:40 +0200
Subject: [PATCH] Implement PR #261

---
 .../config/etc/cont-init.d/0-wazuh-init             | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/wazuh-opendistro/config/etc/cont-init.d/0-wazuh-init b/wazuh-opendistro/config/etc/cont-init.d/0-wazuh-init
index 1aa78f65..af248c6c 100644
--- a/wazuh-opendistro/config/etc/cont-init.d/0-wazuh-init
+++ b/wazuh-opendistro/config/etc/cont-init.d/0-wazuh-init
@@ -126,6 +126,17 @@ function ossec_shutdown(){
   ${WAZUH_INSTALL_PATH}/bin/ossec-control stop;
 }
 
+##############################################################################
+# Allow users to set the container hostname as <node_name> dynamically on
+# container start.
+#
+# To use this:
+# 1. Create your own ossec.conf file
+# 2. In your ossec.conf file, set to_be_replaced_by_hostname as your node_name
+# 3. Mount your custom ossec.conf file at $WAZUH_CONFIG_MOUNT/etc/ossec.conf
+##############################################################################
+sed -i 's/<node_name>to_be_replaced_by_hostname<\/node_name>/<node_name>'"${HOSTNAME}"'<\/node_name>/g' ${WAZUH_INSTALL_PATH}/etc/ossec.conf
+
 
 ##############################################################################
 # Main function
@@ -154,7 +165,7 @@ main() {
   mount_files
 
   # Trap exit signals and do a proper shutdown
-  trap "ossec_shutdown; exit" SIGINT SIGTERM  
+  trap "ossec_shutdown; exit" SIGINT SIGTERM
 
   # Delete temporary data folder
   rm -rf ${WAZUH_INSTALL_PATH}/data_tmp