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//
// Basic tests for reshardCollection.
// @tags: [requires_fcv_47]
//
(function() {
'use strict';
const st = new ShardingTest({mongos: 1, shards: 2});
const kDbName = 'db';
const collName = '.foo';
const ns = kDbName + collName;
const mongos = st.s0;
let removeAllReshardingCollections = () => {
mongos.getDB(kDbName).foo.drop();
mongos.getDB('config').reshardingOperations.remove({nss: ns});
mongos.getDB('config').collections.remove({reshardingFields: {$exists: true}});
st.rs0.getPrimary().getDB('config').localReshardingOperations.donor.remove({nss: ns});
st.rs0.getPrimary().getDB('config').localReshardingOperations.recipient.remove({nss: ns});
st.rs1.getPrimary().getDB('config').localReshardingOperations.donor.remove({nss: ns});
st.rs1.getPrimary().getDB('config').localReshardingOperations.recipient.remove({nss: ns});
};
// Fail if sharding is disabled.
assert.commandFailedWithCode(mongos.adminCommand({reshardCollection: ns, key: {_id: 1}}),
ErrorCodes.NamespaceNotFound);
assert.commandWorked(mongos.adminCommand({enableSharding: kDbName}));
// Fail if collection is unsharded.
assert.commandFailedWithCode(mongos.adminCommand({reshardCollection: ns, key: {_id: 1}}),
ErrorCodes.NamespaceNotSharded);
assert.commandWorked(mongos.adminCommand({shardCollection: ns, key: {_id: 1}}));
// Fail if missing required key.
assert.commandFailedWithCode(mongos.adminCommand({reshardCollection: ns}), 40414);
// Fail if collation is specified and is not {locale: 'simple'}.
assert.commandFailedWithCode(
mongos.adminCommand({reshardCollection: ns, key: {_id: 1}, collation: {locale: 'en_US'}}),
ErrorCodes.BadValue);
// Succeed when correct locale is provided.
assert.commandWorked(
mongos.adminCommand({reshardCollection: ns, key: {_id: 1}, collation: {locale: 'simple'}}));
removeAllReshardingCollections();
assert.commandWorked(mongos.adminCommand({shardCollection: ns, key: {_id: 1}}));
// Fail if unique is specified and is true.
assert.commandFailedWithCode(
mongos.adminCommand({reshardCollection: ns, key: {_id: 1}, unique: true}), ErrorCodes.BadValue);
// Succeed if unique is specified and is false.
assert.commandWorked(mongos.adminCommand({reshardCollection: ns, key: {_id: 1}, unique: false}));
removeAllReshardingCollections();
// Succeed if _presetReshardedChunks is provided and test commands are enabled (default).
assert.commandWorked(mongos.adminCommand({shardCollection: ns, key: {_id: 1}}));
assert.commandWorked(mongos.adminCommand({
reshardCollection: ns,
key: {_id: 1},
_presetReshardedChunks:
[{recipientShardId: st.shard1.shardName, min: {_id: MinKey}, max: {_id: MaxKey}}]
}));
removeAllReshardingCollections();
assert.commandWorked(mongos.adminCommand({shardCollection: ns, key: {_id: 1}}));
// Fail if both numInitialChunks and _presetReshardedChunks are provided.
assert.commandFailedWithCode(mongos.adminCommand({
reshardCollection: ns,
key: {_id: 1},
unique: false,
collation: {locale: 'simple'},
numInitialChunks: 2,
_presetReshardedChunks: [
{recipientShardId: st.shard0.shardName, min: {_id: MinKey}, max: {_id: 0}},
{recipientShardId: st.shard1.shardName, min: {_id: 0}, max: {_id: MaxKey}}
]
}),
ErrorCodes.BadValue);
// Succeed if all optional fields and numInitialChunks are provided with correct values.
assert.commandWorked(mongos.adminCommand({
reshardCollection: ns,
key: {_id: 1},
unique: false,
collation: {locale: 'simple'},
numInitialChunks: 2,
}));
removeAllReshardingCollections();
// Succeed if all optional fields and _presetReshardedChunks are provided with correct values and
// test commands are enabled (default).
assert.commandWorked(mongos.adminCommand({shardCollection: ns, key: {_id: 1}}));
assert.commandWorked(mongos.adminCommand({
reshardCollection: ns,
key: {_id: 1},
unique: false,
collation: {locale: 'simple'},
_presetReshardedChunks: [
{recipientShardId: st.shard1.shardName, min: {_id: 0}, max: {_id: MaxKey}},
{recipientShardId: st.shard0.shardName, min: {_id: MinKey}, max: {_id: 0}}
]
}));
removeAllReshardingCollections();
const existingZoneName = 'x1';
// Fail if authoritative tags exist in config.tags collection and zones are not provided.
assert.commandWorked(
st.s.adminCommand({addShardToZone: st.shard1.shardName, zone: existingZoneName}));
assert.commandWorked(st.s.adminCommand({shardCollection: ns, key: {_id: 1}}));
assert.commandWorked(st.s.adminCommand(
{updateZoneKeyRange: ns, min: {_id: 0}, max: {_id: 5}, zone: existingZoneName}));
assert.commandFailedWithCode(mongos.adminCommand({
reshardCollection: ns,
key: {_id: 1},
unique: false,
collation: {locale: 'simple'},
numInitialChunks: 2,
}),
ErrorCodes.BadValue);
// Fail if authoritative tags exist in config.tags collection and zones are provided and use a name
// which does not exist in authoritative tags.
assert.commandFailedWithCode(mongos.adminCommand({
reshardCollection: ns,
key: {_id: 1},
unique: false,
collation: {locale: 'simple'},
zones: [{tag: 'x', min: {_id: 5}, max: {_id: 10}, ns: ns}],
numInitialChunks: 2,
}),
ErrorCodes.BadValue);
// Succeed if authoritative tags exist in config.tags collection and zones are provided and use an
// existing zone's name.
assert.commandWorked(mongos.adminCommand({
reshardCollection: ns,
key: {_id: 1},
unique: false,
collation: {locale: 'simple'},
zones: [{tag: existingZoneName, min: {_id: 5}, max: {_id: 10}, ns: ns}],
_presetReshardedChunks: [
{recipientShardId: st.shard1.shardName, min: {_id: 0}, max: {_id: MaxKey}},
{recipientShardId: st.shard0.shardName, min: {_id: MinKey}, max: {_id: 0}}
]
}));
removeAllReshardingCollections();
st.stop();
})();
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