Update mirror|ubuntu templatest
* Use latest and more strict qcow2 path
* Be polite with pre-cloned repos in mirror
* Use correct checkout for tag checkout
Change-Id: I311e4f4e8be0d451cdcb9568cfc8b9baaf525db7
diff --git a/ubuntu-16.04/template.json b/ubuntu-16.04/template.json
index aa80d0a..fc05680 100644
--- a/ubuntu-16.04/template.json
+++ b/ubuntu-16.04/template.json
@@ -234,7 +234,7 @@
"format": "qcow2",
"iso_checksum": "566efef1d6f12e7d3a994c2405bdb642",
"iso_checksum_type": "md5",
- "iso_url": "https://cloud-images.ubuntu.com/releases/16.04/release-20180306/ubuntu-16.04-server-cloudimg-amd64-disk1.img",
+ "iso_url": "http://cloud-images.ubuntu.com/releases/xenial/release-20180306/ubuntu-16.04-server-cloudimg-amd64-disk1.img",
"disk_image": true,
"accelerator": "kvm",
"disk_size": "{{ user `disk_size`}}",