software/kvm: Use boot-image-url-select for simplified UI

nbd-host and nbd-port is not required in case of simplified configuration, use
boot-image-url-select instead.

software/kvm/instance-kvm-cluster-simplified-input-schema.json

@@ -60,19 +60,53 @@
               ],
               "default": "fr"
             },
-            "nbd-host": {
-              "title": "NBD hostname or IP",
-              "description": "hostname (or IP) of the NBD server containing the boot image.",
-              "type": "string",
-              "format": "internet-address"
+            "boot-image-url-select": {
+              "title": "Boot image",
+              "type": "array",
+              "oneOf": [
+                {
+                  "const": [
+                    "https://shacache.nxdcdn.com/0a6aee1d9aafc1ed095105c052f9fdd65ed00ea9274188c9cd0072c8e6838ab40e246d45a1e6956d74ef1b04a1fc042151762f25412e9ff0cbf49418eef7992e#a3ebc76aec372808ad80000108a2593a"
+                  ],
+                  "title": "Debian Buster 10.5 netinst x86_64"
+                },
+                {
+                  "const": [
+                    "https://shacache.nxdcdn.com/ce5ddfdbdaccdf929b7fe321212356347d82a02f6b7733427282b416f113d91e587682b003e9d376ac189c3b731595c50c236962aadf2720c16d9f36913577c0#23bf2a2d60271e553e63525e794415f1"
+                  ],
+                  "title": "Centos 8.2004 Minimal x86_64"
+                },
+                {
+                  "const": [
+                    "https://shacache.nxdcdn.com/302c990c6d69575ff24c96566e5c7e26bf36908abb0cd546e22687c46fb07bf8dba595bf77a9d4fd9ab63e75c0437c133f35462fd41ea77f6f616140cd0e5e6a#f3a306f40e4a313fb5a584d73b3dee8f"
+                  ],
+                  "title": "Ubuntu Focal 20.04.1 Live Server x86_64"
+                },
+                {
+                  "const": [
+                    "https://shacache.nxdcdn.com/6635269a7eb6fbd6b85fda40cd94f14a27bf53cb1fc82ffcce9fe386a025a43e1ab681db7e8cec50416bfbfc90262f0d95273686a101c74b3f17646f0a34c85b#3708a59af6cf820a95cafe0ae73ac399"
+                  ],
+                  "title": "openSUSE Leap 15.2 NET x86_64"
                 },
-            "nbd-port": {
-              "title": "NBD port",
-              "description": "Port of the NBD server containing the boot image.",
-              "type": "integer",
-              "default": 1024,
-              "minimum": 1,
-              "maximum": 65535
+                {
+                  "const": [
+                    "https://shacache.nxdcdn.com/fc17e8c6ae0790162f4beb8fa6226d945cff638429588999b3a08493ff27b280dc2939fba825ae04be1d9082ea8d7c3c002c5e4c39fbbcf88b8ab5104619e28a#ebcdb2223a77f098af3923fe1fa180aa"
+                  ],
+                  "title": "Arch Linux 2020.09.01 x86_64"
+                },
+                {
+                  "const": [
+                    "https://shacache.nxdcdn.com/c5a511f349a1146b615e6fab9c24f9be4362046adcf24f0ff82c470d361fac5f6628895e2110ebf8ff87db49d4c413a0a332699da6b1bec64275e0c17a15b999#ca7a1e555c04b4d9a549065fa2ddf713"
+                  ],
+                  "title": "Fedora Server 32-1.6 netinst x86_64"
+                },
+                {
+                  "const": [
+                    "https://shacache.nxdcdn.com/6c355def68b3c0427f21598cb054ffc893568902f205601ac60f192854769b31bc9cff8eeb6ce99ef975a8fb887d8d3e56fc6cd5ea5cb4b3bba1175c520047cb#57088b77f795ca44b00971e44782ee23"
+                  ],
+                  "title": "FreeBSD 12.1 RELEASE bootonly x86_64"
+                }
+              ]
             }
           },
           "type": "object"