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

modules/mesh-watcher/module.json

@@ -18,6 +18,14 @@
     "watcher_test",
     "watcher_ping"
   ],
+  "config": {
+    "telegram-chat-id": {
+      "type": "string",
+      "description": "The Telegram chat the watcher reports to: the chat's id, a number, or @name of a channel; empty reports to none.",
+      "trusted": true,
+      "default": ""
+    }
+  },
   "resources": [
     {
       "id": "state",
@@ -30,8 +38,9 @@
       "type": "file",
       "path": "${dir:state}/settings.json",
       "mode": "0600",
+      "takes-config": ["telegram-chat-id"],
       "merge": "json",
-      "content": "{\n  \"telegram-chat-id\": \"\"\n}\n"
+      "template": "files/settings.json"
     }
   ],
   "build": {
@@ -50,6 +59,11 @@
           "MESH_WATCHER_SETTINGS": "${dir:state}/settings.json",
           "MESH_WATCHER_TELEGRAM_TOKEN_FILE": "${dir:state}/telegram-token"
         }
+      },
+      {
+        "name": "files",
+        "kind": "archive",
+        "from": "files"
       }
     ]
   }