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/**
* Tests $out stage of aggregate command concurrently with killOp. Ensures that all the temporary
* collections created during aggreate command are deleted.
*
* @tags: [uses_curop_agg_stage]
*/
'use strict';
load('jstests/concurrency/fsm_libs/extend_workload.js'); // for extendWorkload
load('jstests/concurrency/fsm_workloads/agg_base.js'); // for $config
var $config = extendWorkload($config, function($config, $super) {
$config.states.aggregate = function aggregate(db, collName) {
// $out to the same collection so that concurrent aggregate commands would cause congestion.
db[collName].runCommand(
{aggregate: collName, pipeline: [{$out: "interrupt_temp_out"}], cursor: {}});
};
$config.states.killOp = function killOp(db, collName) {
// The aggregate command could be running different commands internally (renameCollection,
// insertDocument, etc.) depending on which stage of execution it is in. So, get all the
// operations that are running against the input, output or temp collections.
const activeCurOpsFilter = {
op: "command",
active: true,
$or: [
{"ns": db.getName() + ".interrupt_temp_out"}, // For output collection.
{"ns": db.getName() + "." + collName}, // For input collection.
{"ns": {$regex: "^" + db.getName() + "\.tmp\.agg_out.*"}} // For temp during $out.
],
"command.drop": {
$exists: false
} // Exclude 'drop' command from the filter to make sure that we don't kill the the
// drop command which is responsible for dropping the temporary collection.
};
const currentOpOutput = db.getSiblingDB('admin')
.aggregate([{$currentOp: {}}, {$match: activeCurOpsFilter}])
.toArray();
for (let op of currentOpOutput) {
assert(op.hasOwnProperty('opid'));
assertAlways.commandWorked(db.getSiblingDB('admin').killOp(op.opid));
}
};
$config.teardown = function teardown(db, collName, cluster) {
// Ensure that no temporary collection is left behind.
assertAlways.eq(db.getCollectionNames().filter(col => col.includes('tmp.agg_out')).length,
0);
};
$config.transitions = {
query: {aggregate: 1.0},
aggregate: {aggregate: 0.8, killOp: 0.2},
killOp: {aggregate: 0.8, killOp: 0.2}
};
return $config;
});
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