OPENSHIFTP-134: remove OpenShiftSDN from automation

Signed-off-by: Paul Bastide <[email protected]>

README.md

@@ -13,7 +13,9 @@ The [`ocp4-upi-compute-powervs` project](https://github.com/ibm/ocp4-upi-compute
 5. Optional: An CentOS Stream 9 Image loaded to the PowerVS Service
 6. An Existing OpenShift Container Platform Cluster installed on IBMCloud VPC with Intel architecture.
 
-The DHCP network that the automation creates is going to have the Gateway on the first IP and use the 5th IP for the bastion's Internal IP.
+## Important Notes
+1. The DHCP network that the automation creates is going to have the Gateway on the first IP and use the 5th IP for the bastion's Internal IP.
+2. The Automation Supports OVN-Kube networks only.
 
 ## Commands
 

modules/4_pvs_support/pvs_support.tf

@@ -197,19 +197,12 @@ resource "null_resource" "adjust_mtu" {
   }
 
   # The mtu.network.to was originally targetting 9000, and has been moved to 1350 based on the VPC/IBM Cloud configurations.
+  # we previously supported OpenShiftSDN since it's deprecation we have removed it from automation.
   provisioner "remote-exec" {
     inline = [<<EOF
 export HTTPS_PROXY="http://${var.vpc_support_server_ip}:3128"
-if [ "$(oc get Network.config cluster -o jsonpath='{.status.networkType}')" == "OpenShiftSDN" ]
-then
-  FIRST_NODE=$(oc get nodes --no-headers | awk '{print $1}' | head -n1)
-  SOURCE_MTU=$(oc debug node/$${FIRST_NODE} -- chroot /host ip link 2>&1 | grep mtu | grep -v DOWN | grep tun0 | awk '{print $5}')
-  oc patch Network.operator.openshift.io cluster --type=merge --patch \
-    '{"spec": { "migration": { "mtu": { "network": { "from": '$${SOURCE_MTU}', "to": 1350 } , "machine": { "to" : 9100} } } } }'
-else
-  oc patch Network.operator.openshift.io cluster --type=merge --patch \
+oc patch Network.operator.openshift.io cluster --type=merge --patch \
     '{"spec": { "migration": { "mtu": { "network": { "from": 1400, "to": 1350 } , "machine": { "to" : 9100} } } } }'
-fi
 EOF
     ]
   }