Files
mongo/jstests/sharding/version2.js

80 lines
2.9 KiB
JavaScript

(function() {
'use strict';
var s = new ShardingTest({name: "version2", shards: 1});
assert.commandWorked(s.s0.adminCommand({enablesharding: "alleyinsider"}));
assert.commandWorked(s.s0.adminCommand({shardcollection: "alleyinsider.foo", key: {num: 1}}));
assert.commandWorked(s.s0.adminCommand({shardcollection: "alleyinsider.bar", key: {num: 1}}));
var a = s._connections[0].getDB("admin");
// Setup from one client
assert.eq(a.runCommand({"getShardVersion": "alleyinsider.foo", configdb: s._configDB}).mine.i,
0);
assert.eq(a.runCommand({"getShardVersion": "alleyinsider.foo", configdb: s._configDB}).global.i,
0);
var fooEpoch = s.getDB('config').chunks.findOne({ns: 'alleyinsider.foo'}).lastmodEpoch;
assert.commandWorked(a.runCommand({
setShardVersion: "alleyinsider.foo",
configdb: s._configDB,
authoritative: true,
version: new Timestamp(1, 0),
versionEpoch: fooEpoch,
shard: s.shard0.shardName,
shardHost: s.s.host,
}));
printjson(s.config.chunks.findOne());
assert.eq(a.runCommand({"getShardVersion": "alleyinsider.foo", configdb: s._configDB}).mine.t,
1);
assert.eq(a.runCommand({"getShardVersion": "alleyinsider.foo", configdb: s._configDB}).global.t,
1);
// From a different client
var a2 = connect(`mongodb://${s.rs0.getPrimary().name}/admin`);
assert.eq(
a2.runCommand({"getShardVersion": "alleyinsider.foo", configdb: s._configDB}).global.t,
1,
"a2 global 1");
assert.eq(a2.runCommand({"getShardVersion": "alleyinsider.foo", configdb: s._configDB}).mine.i,
0,
"a2 mine 1");
function simpleFindOne() {
return a2.getMongo().getDB("alleyinsider").foo.findOne();
}
var barEpoch = s.getDB('config').chunks.findOne({ns: 'alleyinsider.bar'}).lastmodEpoch;
assert.commandWorked(a2.runCommand({
setShardVersion: "alleyinsider.bar",
configdb: s._configDB,
version: new Timestamp(1, 0),
versionEpoch: barEpoch,
shard: s.shard0.shardName,
authoritative: true
}),
"setShardVersion bar temp");
assert.throws(simpleFindOne, [], "should complain about not in sharded mode 1");
// the only way that setSharVersion passes is if the shard agrees with the version
// the shard takes its version from config directly
// TODO bump timestamps in config
// assert(a2.runCommand({ "setShardVersion": "alleyinsider.foo", configdb: s._configDB, version:
// 2 }).ok == 1, "setShardVersion a2-1");
// simpleFindOne(); // now should run ok
// assert(a2.runCommand({ "setShardVersion": "alleyinsider.foo", configdb: s._configDB, version:
// 3 }).ok == 1, "setShardVersion a2-2");
// simpleFindOne(); // newer version is ok
s.stop();
})();