Fix ec2 instance type lookups

playbooks/aws/openshift-cluster/tasks/launch_instances.yml

@@ -33,25 +33,25 @@
   when: ec2_assign_public_ip is not defined
 
 - set_fact:
-    ec2_instance_type: "{{ ec2_master_instance_type | default(lookup('env', 'ec2_master_instance_type') | default(lookup('env', 'ec2_instance_type') | default(deployment_vars[deployment_type].type))) }}"
+    ec2_instance_type: "{{ ec2_master_instance_type | default(lookup('env', 'ec2_master_instance_type') | default(lookup('env', 'ec2_instance_type') | default(deployment_vars[deployment_type].type, true), true), true) }}"
     ec2_security_groups: "{{ ec2_master_security_groups
                     | default(deployment_vars[deployment_type].security_groups, true) }}"
   when: host_type == "master" and sub_host_type == "default"
 
 - set_fact:
-    ec2_instance_type: "{{ ec2_etcd_instance_type | default(lookup('env', 'ec2_etcd_instance_type') | default(lookup('env', 'ec2_instance_type') | default(deployment_vars[deployment_type].type))) }}"
+    ec2_instance_type: "{{ ec2_etcd_instance_type | default(lookup('env', 'ec2_etcd_instance_type') | default(lookup('env', 'ec2_instance_type') | default(deployment_vars[deployment_type].type, true), true), true) }}"
     ec2_security_groups: "{{ ec2_etcd_security_groups
                     | default(deployment_vars[deployment_type].security_groups, true)}}"
   when: host_type == "etcd" and sub_host_type == "default"
 
 - set_fact:
-    ec2_instance_type: "{{ ec2_infra_instance_type | default(lookup('env', 'ec2_infra_instance_type') | default(lookup('env', 'ec2_instance_type') | default(deployment_vars[deployment_type].type))) }}"
+    ec2_instance_type: "{{ ec2_infra_instance_type | default(lookup('env', 'ec2_infra_instance_type') | default(lookup('env', 'ec2_instance_type') | default(deployment_vars[deployment_type].type, true), true), true) }}"
     ec2_security_groups: "{{ ec2_infra_security_groups
                     | default(deployment_vars[deployment_type].security_groups, true) }}"
   when: host_type == "node" and sub_host_type == "infra"
 
 - set_fact:
-    ec2_instance_type: "{{ ec2_node_instance_type | default(lookup('env', 'ec2_node_instance_type') | default(lookup('env', 'ec2_instance_type') | default(deployment_vars[deployment_type].type))) }}"
+    ec2_instance_type: "{{ ec2_node_instance_type | default(lookup('env', 'ec2_node_instance_type') | default(lookup('env', 'ec2_instance_type') | default(deployment_vars[deployment_type].type, true), true), true) }}"
     ec2_security_groups: "{{ ec2_node_security_groups
                     | default(deployment_vars[deployment_type].security_groups, true) }}"
   when: host_type == "node" and sub_host_type == "compute"