removed \ escape char before . and using 0th element in the array to access the 1st element

.gitlab-ci.yml

@@ -49,9 +49,9 @@ tf-apply:
     - export TF_VAR_external_network="tf-dmznet-$BUILD_DATE"
     - export TF_VAR_keypair_name="os-gen-keypair-$BUILD_DATE"
     - XDMOD_IMAGES=($(openstack image list --sort-column Name --sort-descending -f value -c Name -c ID | grep -P ' xdmod-\d{14}$' | awk '{print $2}'))
-    - export TF_VAR_image_ohpc="${XDMOD_IMAGES[1]}"
-    - export TF_VAR_image_ohpc="xdmod-20230629191611"
-  #  - echo $TF_VAR_image_ohpc
+    - export TF_VAR_image_ohpc="${XDMOD_IMAGES[0]}"
+  #  - export TF_VAR_image_ohpc="xdmod-20230629191611"
+    - echo $TF_VAR_image_ohpc
     - terraform apply -auto-approve || terraform destroy -auto-approve 
 
 clean-up:

main.tf

@@ -152,8 +152,8 @@ resource "null_resource" "ops" {
 
 provisioner "remote-exec" {
     inline = [
-      "sudo sed -i -E 's/xdmod\.\.nip\.io/xdmod\.rc\.uab\.edu/g'' /etc/httpd/conf.d/xdmod.conf",
-      "sudo sed -i -E 's/xdmod\.\.nip\.io/xdmod\.rc\.uab\.edu/g'' /etc/xdmod/simplesamlphp/config/config.php",        
+      "sudo sed -i -E 's/xdmod..nip.io/xdmod.rc.uab.edu/g'' /etc/httpd/conf.d/xdmod.conf",
+      "sudo sed -i -E 's/xdmod..nip.io/xdmod.rc.uab.edu/g'' /etc/xdmod/simplesamlphp/config/config.php",        
    ]
   }