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/**
* Repeatedly creates and drops a sharded time-series collection.
*
* @tags: [
* requires_sharding,
* ]
*/
'use strict';
const dbPrefix = 'fsm_db_for_sharded_timeseries_collection_';
const dbCount = 2;
const collPrefix = 'sharded_timeseries_collection_';
const collCount = 2;
const timeField = 'time';
const metaField = 'hostId';
load("jstests/core/timeseries/libs/timeseries.js"); // For 'TimeseriesTest' helpers.
function getRandomDb(db) {
return db.getSiblingDB(dbPrefix + Random.randInt(dbCount));
}
function getRandomTimeseriesView(db) {
return getRandomDb(db)[collPrefix + Random.randInt(collCount)];
}
var $config = (function() {
const setup = function(db, collName, cluster) {
// Check that necessary feature flags are enabled on each of the mongods.
let isEnabled = true;
cluster.executeOnMongodNodes(function(db) {
if (!TimeseriesTest.timeseriesCollectionsEnabled(db) ||
!TimeseriesTest.shardedtimeseriesCollectionsEnabled(db)) {
isEnabled = false;
}
});
this.isShardedTimeseriesEnabled = isEnabled;
if (!this.isShardedTimeseriesEnabled) {
jsTestLog(
"Feature flags for sharded time-series collections are not enabled. This test will do nothing.");
return;
}
// Enable sharding for the test databases.
for (var i = 0; i < dbCount; i++) {
const dbName = dbPrefix + i;
db.adminCommand({enablesharding: dbName});
}
};
const states = {
init: function(db, collName) {},
create: function(db, collName) {
if (!this.isShardedTimeseriesEnabled) {
return;
}
const coll = getRandomTimeseriesView(db);
jsTestLog("Executing create state on: " + coll.getFullName());
assertAlways.commandWorked(db.adminCommand({
shardCollection: coll.getFullName(),
key: {[metaField]: 1, [timeField]: 1},
timeseries: {timeField: timeField, metaField: metaField}
}));
},
dropView: function(db, collName) {
if (!this.isShardedTimeseriesEnabled) {
return;
}
const coll = getRandomTimeseriesView(db);
jsTestLog("Executing dropView state on: " + coll.getFullName());
assertAlways.commandWorked(coll.getDB().runCommand({drop: coll.getName()}));
},
};
const transitions = {
init: {create: 0.33, dropView: 0.33},
create: {create: 0.33, dropView: 0.33},
dropView: {create: 0.33, dropView: 0.33},
};
return {
threadCount: 12,
iterations: 64,
startState: 'init',
data: {},
states: states,
setup: setup,
transitions: transitions
};
})();
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