wait for at least 3 kube-apiserver instances

data/data/bootstrap/files/usr/local/bin/wait-for-ha-api.sh

@@ -20,7 +20,7 @@ wait_for_ha_api() {
         sleep 5
     done
 
-    echo "Waiting for at least 2 available IP addresses for the default/kubernetes service"
+    echo "Waiting for at least 3 available IP addresses for the default/kubernetes service"
     while ! is_api_available
     do
         sleep 5
@@ -57,8 +57,9 @@ is_topology_ha() {
 
 ##
 ## for HA cluster, we mark the bootstrap process as complete when there
-## are at least two IP addresses available to the endpoints
+## are at least three IP addresses available to the endpoints
 ## of the default/kubernetes service object.
+## NOTE: the IP address of the bootstrap instance is included in the endpoints
 ## TODO: move this to kas operator as a subcommand of the render command
 is_api_available() {
     output=$(oc --kubeconfig="$KUBECONFIG" get endpoints kubernetes --namespace=default -o jsonpath='{range @.subsets[*]}{range @.addresses[*]}{.ip}{" "}' 2>&1 )
@@ -73,11 +74,11 @@ is_api_available() {
 
     echo "Got the following addresses for the default/kubernetes endpoint object: $output"
     count=$(echo "$output" | wc -w)
-    if [[ ! $count -gt 1 ]]
+    if [[ ! $count -gt 2 ]]
     then
 	return 1
     fi
 
-    echo "Got at least 2 available addresses for the default/kubernetes service"
+    echo "Got at least 3 available addresses for the default/kubernetes service"
     return 0
 }