84 lines
2.4 KiB
JavaScript
84 lines
2.4 KiB
JavaScript
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//
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// On error inserting documents, traces back and shows where the document was dropped
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//
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export function traceMissingDoc(coll, doc, mongos) {
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if (mongos)
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coll = mongos.getCollection(coll + "");
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else
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mongos = coll.getMongo();
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var config = mongos.getDB("config");
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var shards = config.shards.find().toArray();
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for (var i = 0; i < shards.length; i++) {
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shards[i].conn = new Mongo(shards[i].host);
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}
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var shardKeyPatt = config.collections.findOne({_id: coll + ""}).key;
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// Project out the shard key
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var shardKey = {};
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for (var k in shardKeyPatt) {
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if (doc[k] == undefined) {
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jsTest.log("Shard key " + tojson(shardKey) + " not found in doc " + tojson(doc) +
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", falling back to _id search...");
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shardKeyPatt = {_id: 1};
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shardKey = {_id: doc['_id']};
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break;
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}
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shardKey[k] = doc[k];
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}
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if (doc['_id'] == undefined) {
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jsTest.log("Id not found in doc " + tojson(doc) + " cannot trace oplog entries.");
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return;
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}
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jsTest.log("Using shard key : " + tojson(shardKey));
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var allOps = [];
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for (var i = 0; i < shards.length; i++) {
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var oplog = shards[i].conn.getCollection("local.oplog.rs");
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if (!oplog.findOne()) {
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jsTest.log("No oplog was found on shard " + shards[i]._id);
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continue;
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}
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var addKeyQuery = function(query, prefix) {
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for (var k in shardKey) {
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query[prefix + '.' + k] = shardKey[k];
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}
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return query;
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};
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var addToOps = function(cursor) {
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cursor.forEach(function(doc) {
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doc.shard = shards[i]._id;
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doc.realTime = new Date(doc.ts.getTime() * 1000);
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allOps.push(doc);
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});
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};
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// Find ops
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addToOps(oplog.find(addKeyQuery({op: 'i'}, 'o')));
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var updateQuery = {$or: [addKeyQuery({op: 'u'}, 'o2'), {op: 'u', 'o2._id': doc['_id']}]};
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addToOps(oplog.find(updateQuery));
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addToOps(oplog.find({op: 'd', 'o._id': doc['_id']}));
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}
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var compareOps = function(opA, opB) {
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return bsonWoCompare(opA.ts, opB.ts);
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};
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allOps.sort(compareOps);
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print("Ops found for doc " + tojson(doc) + " on each shard:\n");
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for (var i = 0; i < allOps.length; i++) {
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printjson(allOps[i]);
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}
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return allOps;
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}
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