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// Check that the output from printShardingStatus() (aka sh.status())
// contains important information that it should, like the major section
// headings and the names of sharded collections and their shard keys.
(function() {
var st = new ShardingTest({shards: 1, mongos: 2, config: 1, other: {smallfiles: true}});
var mongos = st.s0;
var admin = mongos.getDB("admin");
function grabStatusOutput(configdb, verbose) {
var res = print.captureAllOutput(function() {
return printShardingStatus(configdb, verbose);
});
var output = res.output.join("\n");
jsTestLog(output);
return output;
}
function assertPresentInOutput(output, content, what) {
assert(output.includes(content),
what + " \"" + content + "\" NOT present in output of " +
"printShardingStatus() (but it should be)");
}
function assertNotPresentInOutput(output, content, what) {
assert(!output.includes(content),
what + " \"" + content + "\" IS present in output of " +
"printShardingStatus() (but it should not be)");
}
////////////////////////
// Basic tests
////////////////////////
var dbName = "thisIsTheDatabase";
var collName = "thisIsTheCollection";
var shardKeyName = "thisIsTheShardKey";
var nsName = dbName + "." + collName;
assert.commandWorked(admin.runCommand({enableSharding: dbName}));
var key = {};
key[shardKeyName] = 1;
assert.commandWorked(admin.runCommand({shardCollection: nsName, key: key}));
function testBasic(output) {
assertPresentInOutput(output, "shards:", "section header");
assertPresentInOutput(output, "databases:", "section header");
assertPresentInOutput(output, "balancer:", "section header");
assertPresentInOutput(output, "active mongoses:", "section header");
assertNotPresentInOutput(output, "most recently active mongoses:", "section header");
assertPresentInOutput(output, dbName, "database");
assertPresentInOutput(output, collName, "collection");
assertPresentInOutput(output, shardKeyName, "shard key");
}
function testBasicNormalOnly(output) {
assertPresentInOutput(output, tojson(version) + " : 2\n", "active mongos version");
}
function testBasicVerboseOnly(output) {
assertPresentInOutput(
output, '"mongoVersion" : ' + tojson(version), "active mongos version");
assertPresentInOutput(output, '"_id" : ' + tojson(s1Host), "active mongos hostname");
assertPresentInOutput(output, '"_id" : ' + tojson(s2Host), "active mongos hostname");
}
var buildinfo = assert.commandWorked(mongos.adminCommand("buildinfo"));
var serverStatus1 = assert.commandWorked(mongos.adminCommand("serverStatus"));
var serverStatus2 = assert.commandWorked(st.s1.adminCommand("serverStatus"));
var version = buildinfo.version;
var s1Host = serverStatus1.host;
var s2Host = serverStatus2.host;
// Normal, active mongoses
var outputNormal = grabStatusOutput(st.config, false);
testBasic(outputNormal);
testBasicNormalOnly(outputNormal);
var outputVerbose = grabStatusOutput(st.config, true);
testBasic(outputVerbose);
testBasicVerboseOnly(outputVerbose);
// Take a copy of the config db, in order to test the harder-to-setup cases below.
// TODO: Replace this manual copy with copydb once SERVER-13080 is fixed.
var config = mongos.getDB("config");
var configCopy = mongos.getDB("configCopy");
config.getCollectionInfos().forEach(function(c) {
// Create collection with options.
assert.commandWorked(configCopy.createCollection(c.name, c.options));
// Clone the docs.
config.getCollection(c.name).find().snapshot().forEach(function(d) {
assert.writeOK(configCopy.getCollection(c.name).insert(d));
});
// Build the indexes.
config.getCollection(c.name).getIndexes().forEach(function(i) {
var key = i.key;
delete i.key;
delete i.ns;
delete i.v;
assert.commandWorked(configCopy.getCollection(c.name).ensureIndex(key, i));
});
});
// Inactive mongoses
// Make the first ping be older than now by 1 second more than the threshold
// Make the second ping be older still by the same amount again
var pingAdjustMs = 60000 + 1000;
var then = new Date();
then.setTime(then.getTime() - pingAdjustMs);
configCopy.mongos.update({_id: s1Host}, {$set: {ping: then}});
then.setTime(then.getTime() - pingAdjustMs);
configCopy.mongos.update({_id: s2Host}, {$set: {ping: then}});
var output = grabStatusOutput(configCopy, false);
assertPresentInOutput(output, "most recently active mongoses:", "section header");
assertPresentInOutput(output, tojson(version) + " : 1\n", "recent mongos version");
var output = grabStatusOutput(configCopy, true);
assertPresentInOutput(output, "most recently active mongoses:", "section header");
assertPresentInOutput(output, '"_id" : ' + tojson(s1Host), "recent mongos hostname");
assertNotPresentInOutput(output, '"_id" : ' + tojson(s2Host), "old mongos hostname");
// Older mongoses
configCopy.mongos.remove({_id: s1Host});
var output = grabStatusOutput(configCopy, false);
assertPresentInOutput(output, "most recently active mongoses:", "section header");
assertPresentInOutput(output, tojson(version) + " : 1\n", "recent mongos version");
var output = grabStatusOutput(configCopy, true);
assertPresentInOutput(output, "most recently active mongoses:", "section header");
assertNotPresentInOutput(output, '"_id" : ' + tojson(s1Host), "removed mongos hostname");
assertPresentInOutput(output, '"_id" : ' + tojson(s2Host), "recent mongos hostname");
// No mongoses at all
configCopy.mongos.remove({});
var output = grabStatusOutput(configCopy, false);
assertPresentInOutput(output, "most recently active mongoses:\n\tnone", "no mongoses");
var output = grabStatusOutput(configCopy, true);
assertPresentInOutput(
output, "most recently active mongoses:\n\tnone", "no mongoses (verbose)");
assert(mongos.getDB(dbName).dropDatabase());
////////////////////////
// Extended tests
////////////////////////
var testCollDetailsNum = 0;
function testCollDetails(args) {
if (args === undefined || typeof(args) != "object") {
args = {};
}
var getCollName = function(x) {
return "test.test" + x.zeroPad(4);
};
var collName = getCollName(testCollDetailsNum);
var cmdObj = {shardCollection: collName, key: {_id: 1}};
if (args.unique) {
cmdObj.unique = true;
}
assert.commandWorked(admin.runCommand(cmdObj));
if (args.hasOwnProperty("unique")) {
assert.writeOK(mongos.getDB("config").collections.update(
{_id: collName}, {$set: {"unique": args.unique}}));
}
if (args.hasOwnProperty("noBalance")) {
assert.writeOK(mongos.getDB("config").collections.update(
{_id: collName}, {$set: {"noBalance": args.noBalance}}));
}
var output = grabStatusOutput(st.config);
assertPresentInOutput(output, collName, "collection");
// If any of the previous collection names are present, then their optional indicators
// might also be present. This might taint the results when we go searching through
// the output.
// This also means that earlier collNames can't be a prefix of later collNames.
for (var i = 0; i < testCollDetailsNum; i++) {
assertNotPresentInOutput(output, getCollName(i), "previous collection");
}
assertPresentInOutput(output, "unique: " + (!!args.unique), "unique shard key indicator");
if (args.hasOwnProperty("unique") && typeof(args.unique) != "boolean") {
// non-bool: actual value must be shown
assertPresentInOutput(
output, tojson(args.unique), "unique shard key indicator (non bool)");
}
assertPresentInOutput(output,
"balancing: " + (!args.noBalance),
"balancing indicator (inverse of noBalance)");
if (args.hasOwnProperty("noBalance") && typeof(args.noBalance) != "boolean") {
// non-bool: actual value must be shown
assertPresentInOutput(output, tojson(args.noBalance), "noBalance indicator (non bool)");
}
assert(mongos.getCollection(collName).drop());
testCollDetailsNum++;
}
assert.commandWorked(admin.runCommand({enableSharding: "test"}));
// Defaults
testCollDetails({});
// Expected values
testCollDetails({unique: false, noBalance: false});
testCollDetails({unique: true, noBalance: true});
// Unexpected truthy values
testCollDetails({unique: "truthy unique value 1", noBalance: "truthy noBalance value 1"});
testCollDetails({unique: 1, noBalance: 1});
testCollDetails({unique: -1, noBalance: -1});
testCollDetails({unique: {}, noBalance: {}});
// Unexpected falsy values
testCollDetails({unique: "", noBalance: ""});
testCollDetails({unique: 0, noBalance: 0});
assert(mongos.getDB("test").dropDatabase());
st.stop();
})();
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