diff --git a/etc/schema-image.json b/etc/schema-image.json
index 0967ef424b..01de2a9702 100644
--- a/etc/schema-image.json
+++ b/etc/schema-image.json
@@ -1 +1,16 @@
-{}
+{
+    "kernel_id": {
+        "type": "string",
+        "pattern": "^([0-9a-fA-F]){8}-([0-9a-fA-F]){4}-([0-9a-fA-F]){4}-([0-9a-fA-F]){4}-([0-9a-fA-F]){12}$",
+        "description": "ID of image stored in Glance that should be used as the kernel when booting an AMI-style image."
+    },
+    "ramdisk_id": {
+        "type": "string",
+        "pattern": "^([0-9a-fA-F]){8}-([0-9a-fA-F]){4}-([0-9a-fA-F]){4}-([0-9a-fA-F]){4}-([0-9a-fA-F]){12}$",
+        "description": "ID of image stored in Glance that should be used as the ramdisk when booting an AMI-style image."
+    },
+    "instance_uuid": {
+        "type": "string",
+        "description": "ID of instance used to create this image."
+    }
+}