88 lines
3.3 KiB
JavaScript
88 lines
3.3 KiB
JavaScript
//
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// Tests that mongos validating writes when stale does not DOS config servers
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//
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// Note that this is *unsafe* with broadcast removes and updates
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//
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(function() {
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'use strict';
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var st = new ShardingTest({shards: 2, mongos: 3, other: {shardOptions: {verbose: 2}}});
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var mongos = st.s0;
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var staleMongosA = st.s1;
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var staleMongosB = st.s2;
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var admin = mongos.getDB("admin");
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var config = mongos.getDB("config");
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var coll = mongos.getCollection("foo.bar");
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var staleCollA = staleMongosA.getCollection(coll + "");
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var staleCollB = staleMongosB.getCollection(coll + "");
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assert.commandWorked(admin.runCommand({enableSharding: coll.getDB() + ""}));
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st.ensurePrimaryShard(coll.getDB().getName(), 'shard0001');
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coll.ensureIndex({a: 1});
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assert.commandWorked(admin.runCommand({shardCollection: coll + "", key: {a: 1}}));
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// Let the stale mongos see the collection state
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staleCollA.findOne();
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staleCollB.findOne();
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// Change the collection sharding state
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coll.drop();
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coll.ensureIndex({b: 1});
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assert.commandWorked(admin.runCommand({shardCollection: coll + "", key: {b: 1}}));
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// Make sure that we can successfully insert, even though we have stale state
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assert.writeOK(staleCollA.insert({b: "b"}));
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// Make sure we unsuccessfully insert with old info
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assert.writeError(staleCollB.insert({a: "a"}));
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// Change the collection sharding state
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coll.drop();
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coll.ensureIndex({c: 1});
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assert.commandWorked(admin.runCommand({shardCollection: coll + "", key: {c: 1}}));
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// Make sure we can successfully upsert, even though we have stale state
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assert.writeOK(staleCollA.update({c: "c"}, {c: "c"}, true));
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// Make sure we unsuccessfully upsert with old info
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assert.writeError(staleCollB.update({b: "b"}, {b: "b"}, true));
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// Change the collection sharding state
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coll.drop();
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coll.ensureIndex({d: 1});
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assert.commandWorked(admin.runCommand({shardCollection: coll + "", key: {d: 1}}));
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// Make sure we can successfully update, even though we have stale state
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assert.writeOK(coll.insert({d: "d"}));
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assert.writeOK(staleCollA.update({d: "d"}, {$set: {x: "x"}}, false, false));
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assert.eq(staleCollA.findOne().x, "x");
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// Make sure we unsuccessfully update with old info
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assert.writeError(staleCollB.update({c: "c"}, {$set: {x: "y"}}, false, false));
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assert.eq(staleCollB.findOne().x, "x");
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// Change the collection sharding state
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coll.drop();
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coll.ensureIndex({e: 1});
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// Deletes need to be across two shards to trigger an error - this is probably an exceptional
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// case
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st.ensurePrimaryShard(coll.getDB().getName(), 'shard0000');
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assert.commandWorked(admin.runCommand({shardCollection: coll + "", key: {e: 1}}));
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assert.commandWorked(admin.runCommand({split: coll + "", middle: {e: 0}}));
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assert.commandWorked(admin.runCommand({moveChunk: coll + "", find: {e: 0}, to: "shard0001"}));
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// Make sure we can successfully remove, even though we have stale state
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assert.writeOK(coll.insert({e: "e"}));
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assert.writeOK(staleCollA.remove({e: "e"}, true));
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assert.eq(null, staleCollA.findOne());
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// Make sure we unsuccessfully remove with old info
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assert.writeError(staleCollB.remove({d: "d"}, true));
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st.stop();
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})();
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