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/**
* Test routing of updates into sharded timeseries collection.
*
* @tags: [
* requires_fcv_51,
* requires_find_command,
* ]
*/
(function() {
"use strict";
load("jstests/core/timeseries/libs/timeseries.js"); // For 'TimeseriesTest' helpers.
const st = new ShardingTest({shards: 2, rs: {nodes: 2}});
//
// Constants used throughout all tests.
//
const dbName = 'testDB';
const collName = 'weather';
const bucketCollName = `system.buckets.${collName}`;
const bucketCollFullName = `${dbName}.${bucketCollName}`;
//
// Checks for feature flags.
//
if (!TimeseriesTest.shardedtimeseriesCollectionsEnabled(st.shard0)) {
jsTestLog("Skipping test because the sharded time-series collection feature flag is disabled");
st.stop();
return;
}
if (!TimeseriesTest.timeseriesUpdatesAndDeletesEnabled(st.shard0)) {
jsTestLog(
"Skipping test because the updates and deletes on time-series collection feature flag is disabled");
st.stop();
return;
}
if (!TimeseriesTest.shardedTimeseriesUpdatesAndDeletesEnabled(st.shard0)) {
jsTestLog(
"Skipping test because the updates and deletes on sharded time-series collection feature flag is disabled");
st.stop();
return;
}
const mongos = st.s;
const testDB = mongos.getDB(dbName);
const primary = st.shard0;
const primaryDB = primary.getDB(dbName);
const otherShard = st.shard1;
const otherShardDB = otherShard.getDB(dbName);
testDB.dropDatabase();
assert.commandWorked(mongos.adminCommand({enableSharding: dbName}));
st.ensurePrimaryShard(testDB.getName(), primary.shardName);
assert.commandWorked(testDB.createCollection(
collName, {timeseries: {timeField: "time", metaField: "location", granularity: "hours"}}));
const testColl = testDB[collName];
//
// Helper functions
//
function testUpdateRouting({updates, nModified, shardsTargetedCount}) {
// Restart profiling.
for (const db of [primaryDB, otherShardDB]) {
db.setProfilingLevel(0);
db.system.profile.drop();
db.setProfilingLevel(2);
}
// Verify output documents.
const updateCommand = {update: testColl.getName(), updates};
const result = assert.commandWorked(testDB.runCommand(updateCommand));
assert.eq(nModified, result.nModified);
// Verify profiling output.
if (shardsTargetedCount > 0) {
let filter = {"op": "update", "ns": "testDB.weather"};
let actualCount = 0;
for (const db of [primaryDB, otherShardDB]) {
const expectedEntries = db.system.profile.find(filter).toArray();
actualCount += expectedEntries.length;
}
assert.eq(actualCount, shardsTargetedCount);
}
}
(function setUpTestColl() {
assert.commandWorked(testDB.adminCommand(
{shardCollection: testColl.getFullName(), key: {"location.city": 1, time: 1}}));
const data = [
// Cork.
{
location: {city: "Cork", coordinates: [-12, 10]},
time: ISODate("2021-05-18T08:00:00.000Z"),
temperature: 12,
},
{
location: {city: "Cork", coordinates: [0, 0]},
time: ISODate("2021-05-18T07:30:00.000Z"),
temperature: 15,
},
// Dublin.
{
location: {city: "Dublin", coordinates: [25, -43]},
time: ISODate("2021-05-18T08:00:00.000Z"),
temperature: 12,
},
{
location: {city: "Dublin", coordinates: [0, 0]},
time: ISODate("2021-05-18T08:00:00.000Z"),
temperature: 22,
},
{
location: {city: "Dublin", coordinates: [25, -43]},
time: ISODate("2021-05-18T08:30:00.000Z"),
temperature: 12.5,
},
{
location: {city: "Dublin", coordinates: [25, -43]},
time: ISODate("2021-05-18T09:00:00.000Z"),
temperature: 13,
},
// Galway.
{
location: {city: "Galway", coordinates: [22, 44]},
time: ISODate("2021-05-18T08:00:00.000Z"),
temperature: 20,
},
{
location: {city: "Galway", coordinates: [0, 0]},
time: ISODate("2021-05-18T09:00:00.000Z"),
temperature: 20,
},
];
assert.commandWorked(testColl.insertMany(data));
})();
(function defineChunks() {
function splitAndMove(city, minTime, destination) {
assert.commandWorked(st.s.adminCommand(
{split: bucketCollFullName, middle: {"meta.city": city, 'control.min.time': minTime}}));
assert.commandWorked(st.s.adminCommand({
movechunk: bucketCollFullName,
find: {"meta.city": city, 'control.min.time': minTime},
to: destination.shardName,
_waitForDelete: true
}));
}
// Place the Dublin buckets on the primary and split the other buckets across both shards.
splitAndMove("Galway", ISODate("2021-05-18T08:00:00.000Z"), otherShard);
splitAndMove("Dublin", MinKey, primary);
splitAndMove("Cork", ISODate("2021-05-18T09:00:00.000Z"), otherShard);
})();
// All Dublin documents exist on the primary, so we should only target the one shard.
testUpdateRouting({
updates: [{
q: {"location.city": "Dublin"},
u: {$set: {"location.coordinates": [123, -123]}},
multi: true,
}],
nModified: 4,
shardsTargetedCount: 1
});
// Galway documents exist on both shards, so we should target both.
testUpdateRouting({
updates: [{
q: {"location.city": "Galway"},
u: {$set: {"location.coordinates": [6, 7]}},
multi: true,
}],
nModified: 2,
shardsTargetedCount: 2
});
// All shards need to be targeted for an empty query.
testUpdateRouting({
updates: [{
q: {},
u: {$set: {"location.coordinates": [222, 111]}},
multi: true,
}],
nModified: 8,
shardsTargetedCount: 2
});
st.stop();
})();
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