114 lines
3.5 KiB
JavaScript
114 lines
3.5 KiB
JavaScript
//
|
|
// Utility functions for multi-version replica sets
|
|
//
|
|
|
|
/**
|
|
* @param options {Object} see ReplSetTest.start & MongoRunner.runMongod.
|
|
* @param user {string} optional, user name for authentication.
|
|
* @param pwd {string} optional, password for authentication. Must be set if user is set.
|
|
*/
|
|
ReplSetTest.prototype.upgradeSet = function(options, user, pwd) {
|
|
options = options || {};
|
|
|
|
var primary = this.getPrimary();
|
|
|
|
// Upgrade secondaries first
|
|
var nodesToUpgrade = this.getSecondaries();
|
|
|
|
// Then upgrade primaries
|
|
nodesToUpgrade.push(primary);
|
|
|
|
// We can upgrade with no primary downtime if we have enough nodes
|
|
var noDowntimePossible = this.nodes.length > 2;
|
|
|
|
for (var i = 0; i < nodesToUpgrade.length; i++) {
|
|
var node = nodesToUpgrade[i];
|
|
if (node == primary) {
|
|
node = this.stepdown(node);
|
|
primary = this.getPrimary();
|
|
}
|
|
|
|
var prevPrimaryId = this.getNodeId(primary);
|
|
// merge new options into node settings...
|
|
for (var nodeName in this.nodeOptions) {
|
|
this.nodeOptions[nodeName] = Object.merge(this.nodeOptions[nodeName], options);
|
|
}
|
|
|
|
this.upgradeNode(node, options, user, pwd);
|
|
|
|
if (noDowntimePossible)
|
|
assert.eq(this.getNodeId(primary), prevPrimaryId);
|
|
}
|
|
};
|
|
|
|
ReplSetTest.prototype.upgradeNode = function(node, opts, user, pwd) {
|
|
if (user != undefined) {
|
|
assert.eq(1, node.getDB("admin").auth(user, pwd));
|
|
}
|
|
|
|
var isMaster = node.getDB('admin').runCommand({isMaster: 1});
|
|
|
|
if (!isMaster.arbiterOnly) {
|
|
// Must retry this command, as it might return "currently running for election" and fail.
|
|
// Node might still be running for an election that will fail because it lost the election
|
|
// race with another node, at test initialization. See SERVER-23133.
|
|
assert.soon(function() {
|
|
return (node.adminCommand("replSetMaintenance").ok);
|
|
});
|
|
this.waitForState(node, ReplSetTest.State.RECOVERING);
|
|
}
|
|
|
|
var newNode = this.restart(node, opts);
|
|
if (user != undefined) {
|
|
newNode.getDB("admin").auth(user, pwd);
|
|
}
|
|
|
|
var waitForStates =
|
|
[ReplSetTest.State.PRIMARY, ReplSetTest.State.SECONDARY, ReplSetTest.State.ARBITER];
|
|
this.waitForState(newNode, waitForStates);
|
|
|
|
return newNode;
|
|
};
|
|
|
|
ReplSetTest.prototype.stepdown = function(nodeId) {
|
|
nodeId = this.getNodeId(nodeId);
|
|
assert.eq(this.getNodeId(this.getPrimary()), nodeId);
|
|
var node = this.nodes[nodeId];
|
|
|
|
try {
|
|
node.getDB("admin").runCommand({replSetStepDown: 50, force: true});
|
|
assert(false);
|
|
} catch (ex) {
|
|
print('Caught exception after stepDown cmd: ' + tojson(ex));
|
|
}
|
|
|
|
return this.reconnect(node);
|
|
};
|
|
|
|
ReplSetTest.prototype.reconnect = function(node) {
|
|
var nodeId = this.getNodeId(node);
|
|
this.nodes[nodeId] = new Mongo(node.host);
|
|
var except = {};
|
|
for (var i in node) {
|
|
if (typeof(node[i]) == "function")
|
|
continue;
|
|
this.nodes[nodeId][i] = node[i];
|
|
}
|
|
|
|
return this.nodes[nodeId];
|
|
};
|
|
|
|
ReplSetTest.prototype.conf = function() {
|
|
var admin = this.getPrimary().getDB('admin');
|
|
|
|
var resp = admin.runCommand({replSetGetConfig: 1});
|
|
|
|
if (resp.ok && !(resp.errmsg) && resp.config)
|
|
return resp.config;
|
|
|
|
else if (resp.errmsg && resp.errmsg.startsWith("no such cmd"))
|
|
return admin.getSisterDB("local").system.replset.findOne();
|
|
|
|
throw new Error("Could not retrieve replica set config: " + tojson(resp));
|
|
};
|