Feature 57 (config and provisioning): modules declare config and provisions, their files rendered from templates; synced with main (issues of feature 57, 874)

modules/hostname/module.json

@@ -12,6 +12,14 @@
       ]
     }
   ],
+    "config": {
+      "hostname": {
+        "type": "string",
+        "description": "The machine's host name, written to /etc/hostname: the operator's name for this machine, with no default (novox/hq ADR 0112).",
+        "trusted": true,
+        "required": true
+      }
+    },
   "resources": [
     {
       "id": "own",
@@ -20,14 +28,14 @@
       "mode": "0644",
       "into": "block",
       "at": "start",
-      "content": "# The machine's own names (module hostname, novox/hq ADR 0199, ADR 0223). Every line outside this\n# block is the operator's: kept across every push, changed through the node-hostname verbs add and\n# remove, and given back when this module goes. The mesh's names are not here: the mesh's resolver\n# answers them.\n127.0.0.1\tlocalhost\n::1\tlocalhost\n127.0.1.1\t${machine:name}\n"
+      "template": "files/hosts"
     },
     {
       "id": "name",
       "type": "file",
       "path": "/etc/hostname",
       "mode": "0644",
-      "content": "${setting:hostname}\n"
+      "template": "files/hostname"
     }
   ],
   "build": {
@@ -42,6 +50,11 @@
         "loads": [
           "hostname-tools"
         ]
+      },
+      {
+        "name": "files",
+        "kind": "archive",
+        "from": "files"
       }
     ]
   }