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/**
* When a client calls a mongos command with API parameters, mongos must forward them to shards.
*
* @tags: [multiversion_incompatible]
*/
(function() {
'use strict';
load('jstests/sharding/libs/sharded_transactions_helpers.js');
let st = new ShardingTest({
mongos: 1,
shards: 2,
rs: {nodes: 1, setParameter: {logComponentVerbosity: tojson({command: {verbosity: 2}})}}
});
class APIParameterTest {
constructor(
command,
{dbName = "db", inAPIVersion1 = true, permittedInTxn = true, shardCommandName} = {}) {
this.command = command;
this.dbName = dbName;
this.inAPIVersion1 = inAPIVersion1;
this.permittedInTxn = permittedInTxn;
if (shardCommandName === undefined) {
this.commandName = Object.keys(command)[0];
} else {
// mongos executes a different command on the shards, e.g. mapReduce becomes aggregate.
this.commandName = shardCommandName;
}
}
}
const tests = [
// Write commands. Note, these rely on _id 1 residing on shard 0.
new APIParameterTest({insert: "collection", documents: [{_id: 1}]}),
new APIParameterTest({update: "collection", updates: [{q: {_id: 1}, u: {$set: {x: 1}}}]}),
new APIParameterTest({delete: "collection", deletes: [{q: {_id: 1}, limit: 1}]}),
// Read commands.
new APIParameterTest({aggregate: "collection", pipeline: [], cursor: {}}),
new APIParameterTest({aggregate: "collection", pipeline: [], cursor: {}, explain: true},
{shardCommandName: "explain", permittedInTxn: false}),
new APIParameterTest({find: "collection"}),
new APIParameterTest({count: "collection"}, {permittedInTxn: false}),
new APIParameterTest({count: "collection", query: {_id: {$lt: 0}}},
{inAPIVersion1: false, permittedInTxn: false}),
new APIParameterTest({distinct: "collection", key: "_id"},
{inAPIVersion1: false, permittedInTxn: false}),
new APIParameterTest(
{
mapReduce: "collection",
map: function() {
emit(1, 1);
},
reduce: function(key, values) {
return {count: values.length};
},
out: {inline: 1}
},
{inAPIVersion1: false, permittedInTxn: false, shardCommandName: "aggregate"}),
// FindAndModify.
new APIParameterTest({findAndModify: "collection", query: {_id: 1}, remove: true}),
// DDL. Order matters: we must create, modify, then drop an index on collection2.
new APIParameterTest({createIndexes: "collection2", indexes: [{key: {x: 1}, name: "x_1"}]}),
new APIParameterTest({collMod: "collection2", index: {keyPattern: {x: 1}, hidden: true}},
{permittedInTxn: false}),
new APIParameterTest({dropIndexes: "collection2", index: "x_1"}, {permittedInTxn: false}),
// We can create indexes on a non-existent collection in a sharded transaction.
new APIParameterTest({create: "newCollection"}),
new APIParameterTest({renameCollection: "db.newCollection", to: "db.newerCollection"},
{inAPIVersion1: false, permittedInTxn: false, dbName: "admin"}),
new APIParameterTest({drop: "collection"}, {permittedInTxn: false}),
new APIParameterTest({dropDatabase: 1}, {permittedInTxn: false}),
];
function checkPrimaryLog(conn, commandName, apiVersion, apiStrict, apiDeprecationErrors, message) {
const logs = checkLog.getGlobalLog(conn);
let lastCommandInvocation;
for (let logMsg of logs) {
const obj = JSON.parse(logMsg);
// Search for "About to run the command" logs.
if (obj.id !== 21965) {
continue;
}
const args = obj.attr.commandArgs;
if (commandName !== Object.keys(args)[0]) {
continue;
}
lastCommandInvocation = args;
if (args.apiVersion !== apiVersion || args.apiStrict !== apiStrict ||
args.apiDeprecationErrors !== apiDeprecationErrors) {
continue;
}
// Found a match.
return;
}
if (lastCommandInvocation === undefined) {
doassert(`Primary didn't log ${commandName}`);
return;
}
doassert(`Primary didn't log ${message}, last invocation of ${commandName} was` +
` ${tojson(lastCommandInvocation)}`);
}
for (const sharded of [false, true]) {
for (const [apiVersion, apiStrict, apiDeprecationErrors] of [[undefined, undefined, undefined],
["1", undefined, undefined],
["1", undefined, false],
["1", undefined, true],
["1", false, undefined],
["1", false, false],
["1", false, true],
["1", true, undefined],
["1", true, false],
["1", true, true],
]) {
for (let inTransaction of [false, true]) {
if (sharded) {
jsTestLog("Sharded setup");
assert.commandWorked(st.s.getDB("db")["collection"].insert(
{_id: 0}, {writeConcern: {w: "majority"}}));
assert.commandWorked(st.s.getDB("db")["collection"].insert(
{_id: 20}, {writeConcern: {w: "majority"}}));
assert.commandWorked(st.s.adminCommand({enableSharding: "db"}));
st.ensurePrimaryShard("db", st.shard0.shardName);
assert.commandWorked(
st.s.adminCommand({shardCollection: "db.collection", key: {_id: 1}}));
// The chunk with _id 1 is on shard 0.
assert.commandWorked(
st.s.adminCommand({split: "db.collection", middle: {_id: 10}}));
assert.commandWorked(st.s.adminCommand(
{moveChunk: "db.collection", find: {_id: 20}, to: st.shard1.shardName}));
} else {
jsTestLog("Unsharded setup");
assert.commandWorked(st.s.getDB("db")["collection"].insert(
{_id: 0}, {writeConcern: {w: "majority"}}));
st.ensurePrimaryShard("db", st.shard0.shardName);
}
// Shard 0's primary.
const primary = st.rs0.getPrimary();
for (const test of tests) {
if (inTransaction && !test.permittedInTxn) {
continue;
}
if (apiStrict && !test.inAPIVersion1) {
continue;
}
// Make a copy of the test's command body, and set its API parameters.
const commandWithAPIParams = Object.assign({}, test.command);
if (apiVersion !== undefined) {
commandWithAPIParams.apiVersion = apiVersion;
}
if (apiStrict !== undefined) {
commandWithAPIParams.apiStrict = apiStrict;
}
if (apiDeprecationErrors !== undefined) {
commandWithAPIParams.apiDeprecationErrors = apiDeprecationErrors;
}
assert.commandWorked(primary.adminCommand({clearLog: "global"}));
const message = `command ${tojson(commandWithAPIParams)}` +
` ${sharded ? "sharded" : "unsharded"},` +
` ${inTransaction ? "in" : "outside"} transaction`;
flushRoutersAndRefreshShardMetadata(st, {ns: "db.collection"});
jsTestLog(`Running ${message}`);
if (inTransaction) {
const session = st.s0.startSession();
const sessionDb = session.getDatabase(test.dbName);
session.startTransaction();
assert.commandWorked(sessionDb.runCommand(commandWithAPIParams));
assert.commandWorked(session.commitTransaction_forTesting());
} else {
const db = st.s0.getDB(test.dbName);
assert.commandWorked(db.runCommand(commandWithAPIParams));
}
checkPrimaryLog(primary,
test.commandName,
apiVersion,
apiStrict,
apiDeprecationErrors,
message);
}
jsTestLog("JS test cleanup: Drop database 'db'");
st.s0.getDB("db").runCommand({dropDatabase: 1});
}
}
}
st.stop();
})();
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