/** * Basic test that checks that mongos includes the cluster time metatadata in it's response. * This does not test cluster time propagation via the shell as there are many back channels * where the cluster time metadata can propagated, making it inherently racy. */ import {ShardingTest} from "jstests/libs/shardingtest.js"; function assertHasClusterTimeAndOperationTime(res) { assert.hasFields(res, ["$clusterTime"]); assert.hasFields(res.$clusterTime, ["clusterTime", "signature"]); } let st = new ShardingTest({shards: {rs0: {nodes: 3}}}); st.s.adminCommand({enableSharding: "test"}); let db = st.s.getDB("test"); let res = db.runCommand({insert: "user", documents: [{x: 10}]}); assert.commandWorked(res); assertHasClusterTimeAndOperationTime(res); res = db.runCommand({blah: "blah"}); assert.commandFailed(res); assertHasClusterTimeAndOperationTime(res); res = db.runCommand({insert: "user", documents: [{x: 10}], writeConcern: {blah: "blah"}}); assert.commandFailed(res); assertHasClusterTimeAndOperationTime(res); res = st.rs0.getPrimary().adminCommand({replSetGetStatus: 1}); // Cluster time may advance after replSetGetStatus finishes executing and before its logical // time metadata is computed, in which case the response's $clusterTime will be greater than the // appliedOpTime timestamp in its body. Assert the timestamp is <= $clusterTime to account for // this. let appliedTime = res.optimes.appliedOpTime.ts; let logicalTimeMetadata = res.$clusterTime; assert.lte( timestampCmp(appliedTime, logicalTimeMetadata.clusterTime), 0, "appliedTime: " + tojson(appliedTime) + " not less than or equal to clusterTime: " + tojson(logicalTimeMetadata.clusterTime), ); assert.commandWorked(db.runCommand({ping: 1, "$clusterTime": logicalTimeMetadata})); db = st.rs0.getPrimary().getDB("testRS"); res = db.runCommand({insert: "user", documents: [{x: 10}]}); assert.commandWorked(res); assertHasClusterTimeAndOperationTime(res); res = db.runCommand({blah: "blah"}); assert.commandFailed(res); assertHasClusterTimeAndOperationTime(res); res = db.runCommand({insert: "user", documents: [{x: 10}], writeConcern: {blah: "blah"}}); assert.commandFailed(res); assertHasClusterTimeAndOperationTime(res); st.stop();