86 lines
3.1 KiB
JavaScript
86 lines
3.1 KiB
JavaScript
'use strict';
|
|
|
|
// The validate command should work in the following scenarios on a sharded environment with 3 or
|
|
// more shards:
|
|
//
|
|
// 1. Collection in an unsharded DB.
|
|
// 2. Sharded collection.
|
|
// 3. Sharded collection with chunks on two shards while the collection's DB exists on 3 or more
|
|
// shards. We enforce the latter condition by creating a dummy collection within the same
|
|
// database and splitting it across the shards. See SERVER-22588 for details.
|
|
// 4. The previous scenario, but with validation legitimately failing on one of the shards.
|
|
|
|
(function() {
|
|
const NUM_SHARDS = 3;
|
|
assert(NUM_SHARDS >= 3);
|
|
|
|
var st = new ShardingTest({shards: NUM_SHARDS});
|
|
var s = st.s;
|
|
var testDb = st.getDB('test');
|
|
|
|
function setup() {
|
|
assert.commandWorked(testDb.test.insert({_id: 0}));
|
|
assert.commandWorked(testDb.test.insert({_id: 1}));
|
|
|
|
assert.commandWorked(testDb.dummy.insert({_id: 0}));
|
|
assert.commandWorked(testDb.dummy.insert({_id: 1}));
|
|
assert.commandWorked(testDb.dummy.insert({_id: 2}));
|
|
}
|
|
|
|
function validate(valid) {
|
|
var res = testDb.runCommand({validate: 'test'});
|
|
assert.commandWorked(res);
|
|
assert.eq(res.valid, valid, tojson(res));
|
|
}
|
|
|
|
function setFailValidateFailPointOnShard(enabled, shard) {
|
|
var mode;
|
|
if (enabled) {
|
|
mode = 'alwaysOn';
|
|
} else {
|
|
mode = 'off';
|
|
}
|
|
|
|
var res = shard.adminCommand({configureFailPoint: 'validateCmdCollectionNotValid', mode: mode});
|
|
assert.commandWorked(res);
|
|
}
|
|
|
|
setup();
|
|
|
|
// 1. Collection in an unsharded DB.
|
|
validate(true);
|
|
|
|
// 2. Sharded collection in a DB.
|
|
assert.commandWorked(s.adminCommand({enableSharding: 'test'}));
|
|
st.ensurePrimaryShard('test', st.shard0.shardName);
|
|
assert.commandWorked(s.adminCommand({shardCollection: 'test.test', key: {_id: 1}}));
|
|
assert.commandWorked(s.adminCommand({shardCollection: 'test.dummy', key: {_id: 1}}));
|
|
validate(true);
|
|
|
|
// 3. Sharded collection with chunks on two shards.
|
|
st.ensurePrimaryShard('test', st.shard0.shardName);
|
|
assert.commandWorked(s.adminCommand({split: 'test.test', middle: {_id: 1}}));
|
|
assert.commandWorked(
|
|
testDb.adminCommand({moveChunk: 'test.test', find: {_id: 1}, to: st.shard1.shardName}));
|
|
// We move the dummy database to NUM_SHARDS shards so that testDb will exist on all NUM_SHARDS
|
|
// shards but the testDb.test collection will only exist on the first two shards. Prior to
|
|
// SERVER-22588, this scenario would cause validation to fail.
|
|
assert.commandWorked(s.adminCommand({split: 'test.dummy', middle: {_id: 1}}));
|
|
assert.commandWorked(s.adminCommand({split: 'test.dummy', middle: {_id: 2}}));
|
|
assert.commandWorked(
|
|
testDb.adminCommand({moveChunk: 'test.dummy', find: {_id: 1}, to: st.shard1.shardName}));
|
|
assert.commandWorked(
|
|
testDb.adminCommand({moveChunk: 'test.dummy', find: {_id: 2}, to: st.shard2.shardName}));
|
|
assert.eq(st.onNumShards('test', 'test'), 2);
|
|
assert.eq(st.onNumShards('test', 'dummy'), NUM_SHARDS);
|
|
validate(true);
|
|
|
|
// 4. Fail validation on one of the shards.
|
|
var primaryShard = st.getPrimaryShard('test');
|
|
setFailValidateFailPointOnShard(true, primaryShard);
|
|
validate(false);
|
|
setFailValidateFailPointOnShard(false, primaryShard);
|
|
|
|
st.stop();
|
|
})();
|