Add registry config to settings table

src/docker.js

@@ -2,7 +2,13 @@
 
 exports = module.exports = {
     connection: connectionInstance(),
+
+    testRegistryConfig: testRegistryConfig,
     setRegistryConfig: setRegistryConfig,
+    injectPrivateFields: injectPrivateFields,
+    removePrivateFields: removePrivateFields,
+
+    SECRET_PLACEHOLDER: String.fromCharCode(0x25CF).repeat(8),
 
     ping: ping,
 
@@ -58,6 +64,25 @@ function debugApp(app) {
     debug(app.fqdn + ' ' + util.format.apply(util, Array.prototype.slice.call(arguments, 1)));
 }
 
+function testRegistryConfig(auth, callback) {
+    assert.strictEqual(typeof auth, 'object');
+    assert.strictEqual(typeof callback, 'function');
+
+    return callback(null);
+}
+
+function injectPrivateFields(newConfig, currentConfig) {
+    if (newConfig.password === exports.SECRET_PLACEHOLDER) newConfig.password = currentConfig.password;
+}
+
+function removePrivateFields(registryConfig) {
+    assert.strictEqual(typeof registryConfig, 'object');
+
+    if (registryConfig.password) registryConfig.password = exports.SECRET_PLACEHOLDER;
+
+    return registryConfig;
+}
+
 function setRegistryConfig(auth, callback) {
     assert.strictEqual(typeof auth, 'object');
     assert.strictEqual(typeof callback, 'function');
@@ -65,7 +90,7 @@ function setRegistryConfig(auth, callback) {
     const isLogin = !!auth.password;
 
     // currently, auth info is not stashed in the db but maybe it should for restore to work?
-    const cmd = isLogin ? `docker login ${auth.serveraddress} --username ${auth.username} --password ${auth.password}` : `docker logout ${auth.serveraddress}`;
+    const cmd = isLogin ? `docker login ${auth.serverAddress} --username ${auth.username} --password ${auth.password}` : `docker logout ${auth.serverAddress}`;
 
     child_process.exec(cmd, { }, function (error /*, stdout, stderr */) {
         if (error) return callback(new BoxError(BoxError.ACCESS_DENIED, error.message));