From 7c1b5d79982c15673e1b7b0ad6d7eeee35bb8e90 Mon Sep 17 00:00:00 2001
From: Steven Hardy <shardy@redhat.com>
Date: Wed, 12 Jan 2022 16:03:20 +0000
Subject: [PATCH] Add ENABLE_BOOTSTRAP_STATIC_IP option

This configures static IP for the bootstrap external NIC

Requires https://github.com/openshift/installer/pull/5787
---
 common.sh          |  4 ++++
 config_example.sh  |  5 +++++
 ocp_install_env.sh | 13 +++++++++++++
 3 files changed, 22 insertions(+)

diff --git a/common.sh b/common.sh
index fc8b641bf..2258993c9 100644
--- a/common.sh
+++ b/common.sh
@@ -375,3 +375,7 @@ fi
 
 # Defaults the variable to enable testing a custom machine-api-operator image
 export TEST_CUSTOM_MAO=${TEST_CUSTOM_MAO:-false}
+
+# Set to configure bootstrap VM baremetal network with static IP
+# (Currently this just expects a non-empty value, the IP is fixed to .9)
+export ENABLE_BOOTSTRAP_STATIC_IP=${ENABLE_BOOTSTRAP_STATIC_IP:-}
diff --git a/config_example.sh b/config_example.sh
index a11632ff1..6cdab827e 100755
--- a/config_example.sh
+++ b/config_example.sh
@@ -342,6 +342,11 @@ set -x
 #export EXTERNAL_SUBNET_V4="11.0.0.0/24"
 #export EXTERNAL_SUBNET_V6="fd2e:6f44:5dd8:c956::/120"
 
+# ENABLE_BOOTSTRAP_STATIC_IP -
+# Configure a static IP for the bootstrap VM external NIC
+# (Currently this just expects a non-empty value, the IP is fixed to .9)
+# export ENABLE_BOOTSTRAP_STATIC_IP=true
+
 ################################################################################
 ## VM Settings
 ##
diff --git a/ocp_install_env.sh b/ocp_install_env.sh
index 4f5c8a6e0..f442e0106 100644
--- a/ocp_install_env.sh
+++ b/ocp_install_env.sh
@@ -96,6 +96,19 @@ cat <<EOF
     provisioningBridge: ${PROVISIONING_NETWORK_NAME}
     provisioningNetworkCIDR: $PROVISIONING_NETWORK
     provisioningNetworkInterface: $CLUSTER_PRO_IF
+EOF
+  fi
+
+  if [ -n "${ENABLE_BOOTSTRAP_STATIC_IP}" ]; then
+    if [[ "${IP_STACK}" = "v6" ]]; then
+      BOOTSTRAP_IP=$(nth_ip $EXTERNAL_SUBNET_V6 $((idx + 9)))
+    else
+      # Note we assume v4 for dual-stack v4v6 since it's the primary network
+      BOOTSTRAP_IP=$(nth_ip $EXTERNAL_SUBNET_V4 $((idx + 9)))
+    fi
+cat <<EOF
+    bootstrapExternalStaticIP: "${BOOTSTRAP_IP}"
+    bootstrapExternalStaticGateway: "${PROVISIONING_HOST_EXTERNAL_IP}"
 EOF
   fi
 }