using pub and private key info from datasources

main.tf

-resource "openstack_compute_keypair_v2" "keypair" {
-  name       = "${var.os-gen-keypair}"
-  public_key = "${var.public-key}"
-}
 
 #local variable for ssh connect to ohpc
 locals {
@@ -67,7 +63,7 @@ depends_on = ["openstack_networking_subnet_v2.dmzsubnet"]
   name            = "ohpc"
   image_name      = "${var.image}"
   flavor_name     = "${var.flavor}"
-  key_pair        = "${openstack_compute_keypair_v2.keypair.name}"
+  key_pair        = "${data.openstack_compute_keypair_v2.keypair.name}"
   security_groups = ["default"]
 
 # defines the networks of the instance
@@ -88,7 +84,7 @@ resource "openstack_compute_floatingip_associate_v2" "ohpc" {
     connection {
       host    =  "${format("164.111.161.%s", element(split(".", openstack_networking_floatingip_v2.ip_pool.address),3))}"
       user        = "centos"
-      private_key = "${file("~/.ssh/id_rsa")}"
+      private_key = "${data.openstack_compute_keypair_v2.keypair.private_key}"
     }
 
     inline = [