92 lines
3.4 KiB
JavaScript
92 lines
3.4 KiB
JavaScript
/**
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* Verifies that setting the default write concern to a custom value in sharded clusters
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* succeeds only if the value is defined on the CSRS and all shards.
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*/
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import {ShardingTest} from "jstests/libs/shardingtest.js";
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import {reconfig} from "jstests/replsets/rslib.js";
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const st = new ShardingTest({
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name: "custom_write_concern_test",
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shards: {
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rs0: {
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nodes: [
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{rsConfig: {tags: {region: "us"}}},
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{rsConfig: {tags: {region: "us"}}},
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{rsConfig: {tags: {region: "eu"}}}
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],
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settings: {getLastErrorModes: {multiRegion: {region: 2}, singleRegion: {region: 1}}}
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},
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rs1: {
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nodes: [
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{rsConfig: {tags: {region: "asia"}}},
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{rsConfig: {tags: {region: "us"}}},
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{rsConfig: {tags: {region: "eu"}}}
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],
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settings: {getLastErrorModes: {multiRegion: {region: 3}}}
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}
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}
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});
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const coll = st.s.getDB("db").getCollection("test_custom_write_concern_coll");
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assert.commandWorked(coll.insert({a: 1}));
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// Ensure that after setting the write concern validly, subsequent writes will succeed.
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assert.commandWorked(
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st.s.adminCommand({setDefaultRWConcern: 1, defaultWriteConcern: {w: "majority"}}));
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assert.commandWorked(coll.insert({a: 1}));
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// Ensure that setting the write concern to a nonexistent custom value will fail.
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assert.commandFailedWithCode(
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st.s.adminCommand({setDefaultRWConcern: 1, defaultWriteConcern: {w: "1"}}),
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ErrorCodes.UnknownReplWriteConcern);
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assert.commandFailedWithCode(
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st.s.adminCommand({setDefaultRWConcern: 1, defaultWriteConcern: {w: "bajority"}}),
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ErrorCodes.UnknownReplWriteConcern);
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if (!TestData.configShard) {
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// Ensure that setting the write concern to a custom value that exists on some/all shards,
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// but does not exist on the config server fails.
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assert.commandFailedWithCode(
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st.s.adminCommand({setDefaultRWConcern: 1, defaultWriteConcern: {w: "multiRegion"}}),
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ErrorCodes.UnknownReplWriteConcern);
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assert.commandFailedWithCode(
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st.s.adminCommand({setDefaultRWConcern: 1, defaultWriteConcern: {w: "singleRegion"}}),
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ErrorCodes.UnknownReplWriteConcern);
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}
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// Reconfigure CSRS
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var cfg = st.configRS.getReplSetConfigFromNode();
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for (let i = 0; i < cfg.members.length; i++) {
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if (i % 2) {
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cfg.members[i].tags = {region: "us", dc: "west"};
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} else {
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cfg.members[i].tags = {region: "asia", dc: "east"};
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}
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}
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cfg.settings.getLastErrorModes = {
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singleRegion: {region: 1},
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multiRegion: {region: 2},
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multiDC: {dc: 2}
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};
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reconfig(st.configRS, cfg);
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// Ensure that setting the write concern to a custom value that exists only on the CSRS fails.
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assert.commandFailedWithCode(
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st.s.adminCommand({setDefaultRWConcern: 1, defaultWriteConcern: {w: "multiDC"}}),
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ErrorCodes.UnknownReplWriteConcern);
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// Ensure that setting the write concern to a custom value that exists on the CSRS,
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// but is not present on all shards fails.
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assert.commandFailedWithCode(
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st.s.adminCommand({setDefaultRWConcern: 1, defaultWriteConcern: {w: "singleRegion"}}),
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ErrorCodes.UnknownReplWriteConcern);
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// Ensure that setting the write concern to a custom value that exists on all shards and the
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// CSRS works, and subsequent writes succeed.
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assert.commandWorked(
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st.s.adminCommand({setDefaultRWConcern: 1, defaultWriteConcern: {w: "multiRegion"}}));
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assert.commandWorked(coll.insert({a: 1}));
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st.stop();
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