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[users@httpd] multiple node balancer-manager administration


All,

I am running a 3 node proxy front end to a 3 node application back end.  All proxy nodes have the same configuration to distribute load:

+---------------------+
|     Firewall Public |
+---------------------+
+-------------------------------------------+
|      +------+    +-------+    +-------+      |
|      |HTTPD|  |HTTPD|   |HTTPD|   |
|      |   1      |   |   2     |    |   3     |      |
|      +------+    +-------+    +-------+      |
+-------------------------------------------+
+----------------------+
|     Firewall Private |
+----------------------+
+---------------------------------------------+
|    +--------+  +---------+  +--------+      |
|    |Tomcat |  | Tomcat |  |Tomcat|     |
|    |   1        |  |    2       |  |   3      |      |
|    +--------+  +---------+  +--------+      |
+---------------------------------------------+

My httpd version is (running on RHEL 7.5):
Apache/2.4.27 (Red Hat)

I am using mod_proxy_balancer with balancer-manager and am looking for a way to automate administration of balancer-manager on all 3 nodes (drain nodes, disable/enable nodes, etc).  In searching, I have found a couple options:

https://gist.github.com/SeonghoonKim/5385982
https://code.google.com/archive/p/apache-cluster-manager

Can anyone offer thoughts/guidance on what they are doing or have done in the past to accomplish automating the administration of balancer-manager with multiple nodes?

Thanks in advance,

HB