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Diffstat (limited to 'jstests/replsets/initial_sync_update_missing_doc1.js')
-rw-r--r-- | jstests/replsets/initial_sync_update_missing_doc1.js | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/jstests/replsets/initial_sync_update_missing_doc1.js b/jstests/replsets/initial_sync_update_missing_doc1.js new file mode 100644 index 00000000000..31968e4a345 --- /dev/null +++ b/jstests/replsets/initial_sync_update_missing_doc1.js @@ -0,0 +1,67 @@ +/** + * Initial sync runs in several phases - the first 3 are as follows: + * 1) fetches the last oplog entry (op_start1) on the source; + * 2) copies all non-local databases from the source; and + * 3) fetches and applies operations from the source after op_start1. + * + * This test updates and deletes a document on the source between phases 1 and 2. The + * secondary will initially fail to apply the update operation in phase 3 and subsequently have + * to attempt to check the source for a new copy of the document. The absence of the document on + * the source indicates that the source is free to ignore the failed update operation. + */ + +(function() { + var name = 'initial_sync_update_missing_doc1'; + var replSet = new ReplSetTest({ + name: name, + nodes: [{}, {rsConfig: {arbiterOnly: true}}], + }); + + replSet.startSet(); + replSet.initiate(); + var primary = replSet.getPrimary(); + + var coll = primary.getDB('test').getCollection(name); + assert.writeOK(coll.insert({_id: 0, x: 1})); + + // Add a secondary node but make it hang after retrieving the last op on the source + // but before copying databases. + var secondary = replSet.add(); + secondary.setSlaveOk(); + + assert.commandWorked(secondary.getDB('admin').runCommand( + {configureFailPoint: 'initialSyncHangBeforeCopyingDatabases', mode: 'alwaysOn'})); + replSet.reInitiate(); + + // Wait for fail point message to be logged. + var checkLog = function(node, msg) { + assert.soon(function() { + var logMessages = assert.commandWorked(node.adminCommand({getLog: 'global'})).log; + for (var i = 0; i < logMessages.length; i++) { + if (logMessages[i].indexOf(msg) != -1) { + return true; + } + } + return false; + }, 'Did not see a log entry containing the following message: ' + msg, 10000, 1000); + }; + checkLog(secondary, 'initial sync - initialSyncHangBeforeCopyingDatabases fail point enabled'); + + assert.writeOK(coll.update({_id: 0}, {x: 2}, {upsert: false, writeConcern: {w: 1}})); + assert.writeOK(coll.remove({_id: 0}, {justOne: true, writeConcern: {w: 1}})); + + assert.commandWorked(secondary.getDB('admin').runCommand( + {configureFailPoint: 'initialSyncHangBeforeCopyingDatabases', mode: 'off'})); + + checkLog(secondary, 'update of non-mod failed'); + checkLog(secondary, 'adding missing object'); + checkLog(secondary, 'missing object not found on source. presumably deleted later in oplog'); + checkLog(secondary, 'initial sync done'); + + replSet.awaitReplication(); + assert.eq(0, + secondary.getDB('test').getCollection(name).count(), + 'collection successfully synced to secondary'); + + replSet.stopSet(); +})(); |