Add system-password to the schema

With this addition, a desired password can be configured through ucentral config

Signed-off-by: Venkat Chimata <venkata@shasta.cloud>

renderer/renderer.uc

@@ -996,6 +996,14 @@ let shell = {
 		}
 		system("(echo " + passwd + "; sleep 1; echo " + passwd + ") | passwd root");
 		conn.call("ucentral", "password", { passwd });
+	},
+
+	/**
+	 * Set system password
+	 */
+	system_password: function(passwd) {
+		system("(echo " + passwd + "; sleep 1; echo " + passwd + ") | passwd root");
+		conn.call("ucentral", "password", { passwd });
 	}
 };
 

renderer/templates/unit.uc

@@ -14,6 +14,9 @@ set system.@system[-1].timezone={{ s(unit.timezone) }}
 {% endif %}
 set system.@system[-1].leds_off={{ b(!unit.leds_active) }}
 {%
-shell.password(unit.random_password);
+if (unit.system_password)
+	shell.system_password(unit.system_password);
+else
+	shell.password(unit.random_password);
 services.set_enabled("led", true);
 %}

schema/unit.yml

@@ -37,6 +37,10 @@ properties:
       The device shall create a random root password and tell the gateway about it.
     type: boolean
     default: false
+  system-password:
+    description:
+      System-config string that holds the password for main (root / admin) user to apply.
+    type: string
   beacon-advertisement:
     description:
       The TIP vendor IEs that shall be added to beacons

schemareader.uc

@@ -164,6 +164,17 @@ function instantiateUnit(location, value, errors) {
 			obj.random_password = false;
 		}
 
+		function parseSystemPassword(location, value, errors) {
+			if (type(value) != "string")
+				push(errors, [ location, "must be of type string" ]);
+
+			return value;
+		}
+
+		if (exists(value, "system-password")) {
+			obj.system_password = parseSystemPassword(location + "/system-password", value["system-password"], errors);
+		}
+
 		function parseBeaconAdvertisement(location, value, errors) {
 			if (type(value) == "object") {
 				let obj = {};

ucentral.schema.full.json

@@ -49,6 +49,10 @@
                     "type": "boolean",
                     "default": false
                 },
+                "system-password": {
+                    "description": "System-config string that holds the password for main (root / admin) user to apply.",
+                    "type": "string"
+                },
                 "beacon-advertisement": {
                     "description": "The TIP vendor IEs that shall be added to beacons",
                     "type": "object",

ucentral.schema.json

@@ -84,6 +84,9 @@
                     "type": "boolean",
                     "default": false
                 },
+                "system-password": {
+                    "type": "string"
+                },
                 "beacon-advertisement": {
                     "type": "object",
                     "properties": {

ucentral.schema.pretty.json

@@ -94,6 +94,10 @@
                     "type": "boolean",
                     "default": false
                 },
+                "system-password": {
+                    "description": "System-config string that holds the password for main (root / admin) user to apply.",
+                    "type": "string"
+                },
                 "beacon-advertisement": {
                     "description": "The TIP vendor IEs that shall be added to beacons",
                     "type": "object",