SERVER-10823 update member configs properly on tags-only reconfigs

fixes problems caused by SERVER-6376

1 files changed, 42 insertions, 0 deletions

diff --git a/jstests/replsets/reconfig_tags.js b/jstests/replsets/reconfig_tags.js
new file mode 100644
index 00000000000..3fa4cb71041
--- /dev/null
+++ b/jstests/replsets/reconfig_tags.js
@@ -0,0 +1,42 @@
+// test that reconfigging only tag changes is properly reflected in isMaster
+
+var replTest = new ReplSetTest({ nodes: 2 });
+replTest.startSet({ oplogSize: 10 });
+replTest.initiate();
+replTest.awaitSecondaryNodes();
+
+// Tag primary with { dc: 'ny', tag: 'one' }, secondary with { dc: 'ny', tag: 'two' }
+var primary = replTest.getPrimary();
+var secondary = replTest.getSecondary();
+var rsConfig = primary.getDB("local").system.replset.findOne();
+jsTest.log('got rsconf ' + tojson(rsConfig));
+rsConfig.members.forEach(function(member) {
+    if (member.host == primary.host) {
+        member.tags = { dc: 'ny', tag: 'one' };
+    } else {
+        member.tags = { dc: 'ny', tag: 'two' };
+    }
+});
+
+rsConfig.version++;
+
+jsTest.log('new rsconf ' + tojson(rsConfig));
+
+try {
+    var res = primary.adminCommand({ replSetReconfig: rsConfig });
+    jsTest.log('reconfig res: ' + tojson(res)); // Should not see this
+}
+catch(e) {
+    jsTest.log('replSetReconfig error: ' + e);
+}
+
+replTest.awaitSecondaryNodes();
+
+var testDB = primary.getDB('test');
+
+var newConn = new Mongo(primary.host);
+var isMaster = newConn.adminCommand({ isMaster: 1 });
+assert(isMaster.tags != null, 'isMaster: ' + tojson(isMaster));
+
+print('success: ' + tojson(isMaster));
+replTest.stopSet();