1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
// Contains helpers for checking the featureCompatibilityVersion and constants for the current
// featureCompatibilityVersion values.
/**
* These constants represent the current "latest" and "last-stable" values for the
* featureCompatibilityVersion parameter. They should only be used for testing of upgrade-downgrade
* scenarios that are intended to be maintained between releases.
*
* We cannot use `const` when declaring them because it must be possible to load() this file
* multiple times.
*/
var latestFCV = "4.2";
var lastStableFCV = "4.0";
/**
* Checks the featureCompatibilityVersion document and server parameter. The
* featureCompatibilityVersion document is of the form {_id: "featureCompatibilityVersion", version:
* <required>, targetVersion: <optional>}. The getParameter result is of the form
* {featureCompatibilityVersion: {version: <required>, targetVersion: <optional>}, ok: 1}.
*/
function checkFCV(adminDB, version, targetVersion) {
let res = adminDB.runCommand({getParameter: 1, featureCompatibilityVersion: 1});
assert.commandWorked(res);
assert.eq(res.featureCompatibilityVersion.version, version, tojson(res));
assert.eq(res.featureCompatibilityVersion.targetVersion, targetVersion, tojson(res));
let doc = adminDB.system.version.findOne({_id: "featureCompatibilityVersion"});
assert.eq(doc.version, version, tojson(doc));
assert.eq(doc.targetVersion, targetVersion, tojson(doc));
}
/**
* Since SERVER-29453 disallowed removal of the FCV document, we need to do this hack to remove it.
*/
function removeFCVDocument(adminDB) {
let res = adminDB.runCommand({listCollections: 1, filter: {name: "system.version"}});
assert.commandWorked(res, "failed to list collections");
let originalUUID = res.cursor.firstBatch[0].info.uuid;
let newUUID = UUID();
// Create new collection with no FCV document, and then delete the
// original collection.
let createNewAdminSystemVersionCollection =
{op: "c", ns: "admin.$cmd", ui: newUUID, o: {create: "system.version"}};
let dropOriginalAdminSystemVersionCollection =
{op: "c", ns: "admin.$cmd", ui: originalUUID, o: {drop: "admin.tmp_system_version"}};
assert.commandWorked(adminDB.runCommand({
applyOps: [createNewAdminSystemVersionCollection, dropOriginalAdminSystemVersionCollection]
}));
res = adminDB.runCommand({listCollections: 1, filter: {name: "system.version"}});
assert.commandWorked(res, "failed to list collections");
assert.eq(newUUID, res.cursor.firstBatch[0].info.uuid);
}
|
