crlf

1 files changed, 196 insertions, 196 deletions

diff --git a/jstests/replsets/rollback2.js b/jstests/replsets/rollback2.js
index 483d221fc90..f50ea456183 100644
--- a/jstests/replsets/rollback2.js
+++ b/jstests/replsets/rollback2.js
@@ -1,199 +1,199 @@
-// test rollback in replica sets

-

-// try running as :

-// 

-//   mongo --nodb rollback.js | tee out | grep -v ^m31

-//

-

-var debugging = 0;

-

-function pause(s) {

-    print(s);

-    while (debugging) {

-        sleep(3000);

-        print(s);

-    }

-}

-

-function deb(obj) { 

-    if( debugging ) {

-        print("\n\n\n" + obj + "\n\n");

-    }  

-}

-

-w = 0;

-

-function wait(f) {

-    w++;

-    var n = 0;

-    while (!f()) {

-        if (n % 4 == 0)

-            print("rollback2.js waiting " + w);

-        if (++n == 4) {

-            print("" + f);

-        }

-        sleep(1000);

-    }

-}

-

-function dbs_match(a, b) {

-    print("dbs_match");

-

-    var ac = a.system.namespaces.find().sort({name:1}).toArray();

-    var bc = b.system.namespaces.find().sort({name:1}).toArray();

-    if (!friendlyEqual(ac, bc)) {

-        print("dbs_match: namespaces don't match");

-        print("\n\n");

-        printjson(ac);

-        print("\n\n");

-        printjson(bc);

-        print("\n\n");

-        return false;

-    }

-

-    var c = a.getCollectionNames();

-    for( var i in c ) {

-        print("checking " + c[i]);

-        if( !friendlyEqual( a[c[i]].find().sort({_id:1}).toArray(), b[c[i]].find().sort({_id:1}).toArray() ) ) { 

-            print("dbs_match: collections don't match " + c[i]);

-            return false;

-        }

-    }

-    return true;

-}

-

-/* these writes will be initial data and replicate everywhere. */

-function doInitialWrites(db) {

-    t = db.bar;

-    t.insert({ q:0});

-    t.insert({ q: 1, a: "foo" });

-    t.insert({ q: 2, a: "foo", x: 1 });

-    t.insert({ q: 3, bb: 9, a: "foo" });

-    t.insert({ q: 40, a: 1 });

-    t.insert({ q: 40, a: 2 });

-    t.insert({ q: 70, txt: 'willremove' });

-

-    db.createCollection("kap", { capped: true, size: 5000 });

-    db.kap.insert({ foo: 1 })

-

-    // going back to empty on capped is a special case and must be tested

-    db.createCollection("kap2", { capped: true, size: 5501 });

-}

-

-/* these writes on one primary only and will be rolled back. */

-function doItemsToRollBack(db) {

-    t = db.bar;

-    t.insert({ q: 4 });

-    t.update({ q: 3 }, { q: 3, rb: true });

-

-    t.remove({ q: 40 }); // multi remove test

-

-    t.update({ q: 2 }, { q: 39, rb: true });

-

-    // rolling back a delete will involve reinserting the item(s)

-    t.remove({ q: 1 });

-

-    t.update({ q: 0 }, { $inc: { y: 1} });

-

-    db.kap.insert({ foo: 2 })

-    db.kap2.insert({ foo: 2 })

-

-    // create a collection (need to roll back the whole thing)

-    db.newcoll.insert({ a: true });

-

-    // create a new empty collection (need to roll back the whole thing)

-    db.createCollection("abc");

-}

-

-function doWritesToKeep2(db) {

-    t = db.bar;

-    t.insert({ txt: 'foo' });

-    t.remove({ q: 70 });

-    t.update({ q: 0 }, { $inc: { y: 33} });

-}

-

-function verify(db) {

-    print("verify");

-    t = db.bar;

-    assert(t.find({ q: 1 }).count() == 1);

-    assert(t.find({ txt: 'foo' }).count() == 1);

-    assert(t.find({ q: 4 }).count() == 0);

-}

-

-doTest = function (signal) {

-

-    var replTest = new ReplSetTest({ name: 'unicomplex', nodes: 3 });

-    var nodes = replTest.nodeList();

-    //print(tojson(nodes));

-

-    var conns = replTest.startSet();

-    var r = replTest.initiate({ "_id": "unicomplex",

-        "members": [

-                             { "_id": 0, "host": nodes[0] },

-                             { "_id": 1, "host": nodes[1] },

-                             { "_id": 2, "host": nodes[2], arbiterOnly: true}]

-    });

-

-    // Make sure we have a master

-    var master = replTest.getMaster();

-    a_conn = conns[0];

-    A = a_conn.getDB("admin");

-    b_conn = conns[1];

-    a_conn.setSlaveOk();

-    b_conn.setSlaveOk();

-    B = b_conn.getDB("admin");

-    assert(master == conns[0], "conns[0] assumed to be master");

-    assert(a_conn == master);

-

-    //deb(master);

-

-    // Make sure we have an arbiter

-    assert.soon(function () {

-        res = conns[2].getDB("admin").runCommand({ replSetGetStatus: 1 });

-        return res.myState == 7;

-    }, "Arbiter failed to initialize.");

-

-    // Wait for initial replication

-    var a = a_conn.getDB("foo");

-    var b = b_conn.getDB("foo");

-    doInitialWrites(a);

-

-    // wait for secondary to get this data

-    wait(function () { return b.bar.count() == a.bar.count(); });

-

-    A.runCommand({ replSetTest: 1, blind: true });

-    wait(function () { return B.isMaster().ismaster; });

-

-    doItemsToRollBack(b);

-

-    // a should not have the new data as it was in blind state.

-    B.runCommand({ replSetTest: 1, blind: true });

-    A.runCommand({ replSetTest: 1, blind: false });

-    wait(function () { return !B.isMaster().ismaster; });

-    wait(function () { return A.isMaster().ismaster; });

-

-    assert(a.bar.count() >= 1, "count check");

-    doWritesToKeep2(a);

-

-    // A is 1 2 3 7 8

-    // B is 1 2 3 4 5 6

-

-    // bring B back online

-    // as A is primary, B will roll back and then catch up

-    B.runCommand({ replSetTest: 1, blind: false });

-

-    wait(function () { return B.isMaster().ismaster || B.isMaster().secondary; });

-

-    // everyone is up here...

-    assert(A.isMaster().ismaster || A.isMaster().secondary, "A up");

-    assert(B.isMaster().ismaster || B.isMaster().secondary, "B up");

-

-    verify(a);

-

-    assert( dbs_match(a,b), "server data sets do not match after rollback, something is wrong");

-

-    pause("rollback2.js SUCCESS");

-    replTest.stopSet(signal);

+// test rollback in replica sets
+
+// try running as :
+// 
+//   mongo --nodb rollback.js | tee out | grep -v ^m31
+//
+
+var debugging = 0;
+
+function pause(s) {
+    print(s);
+    while (debugging) {
+        sleep(3000);
+        print(s);
+    }
+}
+
+function deb(obj) { 
+    if( debugging ) {
+        print("\n\n\n" + obj + "\n\n");
+    }  
+}
+
+w = 0;
+
+function wait(f) {
+    w++;
+    var n = 0;
+    while (!f()) {
+        if (n % 4 == 0)
+            print("rollback2.js waiting " + w);
+        if (++n == 4) {
+            print("" + f);
+        }
+        sleep(1000);
+    }
+}
+
+function dbs_match(a, b) {
+    print("dbs_match");
+
+    var ac = a.system.namespaces.find().sort({name:1}).toArray();
+    var bc = b.system.namespaces.find().sort({name:1}).toArray();
+    if (!friendlyEqual(ac, bc)) {
+        print("dbs_match: namespaces don't match");
+        print("\n\n");
+        printjson(ac);
+        print("\n\n");
+        printjson(bc);
+        print("\n\n");
+        return false;
+    }
+
+    var c = a.getCollectionNames();
+    for( var i in c ) {
+        print("checking " + c[i]);
+        if( !friendlyEqual( a[c[i]].find().sort({_id:1}).toArray(), b[c[i]].find().sort({_id:1}).toArray() ) ) { 
+            print("dbs_match: collections don't match " + c[i]);
+            return false;
+        }
+    }
+    return true;
+}
+
+/* these writes will be initial data and replicate everywhere. */
+function doInitialWrites(db) {
+    t = db.bar;
+    t.insert({ q:0});
+    t.insert({ q: 1, a: "foo" });
+    t.insert({ q: 2, a: "foo", x: 1 });
+    t.insert({ q: 3, bb: 9, a: "foo" });
+    t.insert({ q: 40, a: 1 });
+    t.insert({ q: 40, a: 2 });
+    t.insert({ q: 70, txt: 'willremove' });
+
+    db.createCollection("kap", { capped: true, size: 5000 });
+    db.kap.insert({ foo: 1 })
+
+    // going back to empty on capped is a special case and must be tested
+    db.createCollection("kap2", { capped: true, size: 5501 });
+}
+
+/* these writes on one primary only and will be rolled back. */
+function doItemsToRollBack(db) {
+    t = db.bar;
+    t.insert({ q: 4 });
+    t.update({ q: 3 }, { q: 3, rb: true });
+
+    t.remove({ q: 40 }); // multi remove test
+
+    t.update({ q: 2 }, { q: 39, rb: true });
+
+    // rolling back a delete will involve reinserting the item(s)
+    t.remove({ q: 1 });
+
+    t.update({ q: 0 }, { $inc: { y: 1} });
+
+    db.kap.insert({ foo: 2 })
+    db.kap2.insert({ foo: 2 })
+
+    // create a collection (need to roll back the whole thing)
+    db.newcoll.insert({ a: true });
+
+    // create a new empty collection (need to roll back the whole thing)
+    db.createCollection("abc");
+}
+
+function doWritesToKeep2(db) {
+    t = db.bar;
+    t.insert({ txt: 'foo' });
+    t.remove({ q: 70 });
+    t.update({ q: 0 }, { $inc: { y: 33} });
+}
+
+function verify(db) {
+    print("verify");
+    t = db.bar;
+    assert(t.find({ q: 1 }).count() == 1);
+    assert(t.find({ txt: 'foo' }).count() == 1);
+    assert(t.find({ q: 4 }).count() == 0);
+}
+
+doTest = function (signal) {
+
+    var replTest = new ReplSetTest({ name: 'unicomplex', nodes: 3 });
+    var nodes = replTest.nodeList();
+    //print(tojson(nodes));
+
+    var conns = replTest.startSet();
+    var r = replTest.initiate({ "_id": "unicomplex",
+        "members": [
+                             { "_id": 0, "host": nodes[0] },
+                             { "_id": 1, "host": nodes[1] },
+                             { "_id": 2, "host": nodes[2], arbiterOnly: true}]
+    });
+
+    // Make sure we have a master
+    var master = replTest.getMaster();
+    a_conn = conns[0];
+    A = a_conn.getDB("admin");
+    b_conn = conns[1];
+    a_conn.setSlaveOk();
+    b_conn.setSlaveOk();
+    B = b_conn.getDB("admin");
+    assert(master == conns[0], "conns[0] assumed to be master");
+    assert(a_conn == master);
+
+    //deb(master);
+
+    // Make sure we have an arbiter
+    assert.soon(function () {
+        res = conns[2].getDB("admin").runCommand({ replSetGetStatus: 1 });
+        return res.myState == 7;
+    }, "Arbiter failed to initialize.");
+
+    // Wait for initial replication
+    var a = a_conn.getDB("foo");
+    var b = b_conn.getDB("foo");
+    doInitialWrites(a);
+
+    // wait for secondary to get this data
+    wait(function () { return b.bar.count() == a.bar.count(); });
+
+    A.runCommand({ replSetTest: 1, blind: true });
+    wait(function () { return B.isMaster().ismaster; });
+
+    doItemsToRollBack(b);
+
+    // a should not have the new data as it was in blind state.
+    B.runCommand({ replSetTest: 1, blind: true });
+    A.runCommand({ replSetTest: 1, blind: false });
+    wait(function () { return !B.isMaster().ismaster; });
+    wait(function () { return A.isMaster().ismaster; });
+
+    assert(a.bar.count() >= 1, "count check");
+    doWritesToKeep2(a);
+
+    // A is 1 2 3 7 8
+    // B is 1 2 3 4 5 6
+
+    // bring B back online
+    // as A is primary, B will roll back and then catch up
+    B.runCommand({ replSetTest: 1, blind: false });
+
+    wait(function () { return B.isMaster().ismaster || B.isMaster().secondary; });
+
+    // everyone is up here...
+    assert(A.isMaster().ismaster || A.isMaster().secondary, "A up");
+    assert(B.isMaster().ismaster || B.isMaster().secondary, "B up");
+
+    verify(a);
+
+    assert( dbs_match(a,b), "server data sets do not match after rollback, something is wrong");
+
+    pause("rollback2.js SUCCESS");
+    replTest.stopSet(signal);
 }
 
 print("rollback2.js");