int main(int argc, char** argv)
{
GOOGLE_PROTOBUF_VERIFY_VERSION;
master::Flags flags;
// The following flags are executable specific (e.g., since we only
// have one instance of libprocess per execution, we only want to
// advertise the IP and port option once, here).
Option<string> ip;
flags.add(&ip, "ip", "IP address to listen on");
uint16_t port;
flags.add(&port, "port", "Port to listen on", MasterInfo().port());
Option<string> zk;
flags.add(&zk,
"zk",
"ZooKeeper URL (used for leader election amongst masters)\n"
"May be one of:\n"
" zk://host1:port1,host2:port2,.../path\n"
" zk://username:password@host1:port1,host2:port2,.../path\n"
" file://path/to/file (where file contains one of the above)");
bool help;
flags.add(&help,
"help",
"Prints this help message",
false);
Try<Nothing> load = flags.load("MESOS_", argc, argv);
if (load.isError()) {
cerr << load.error() << endl;
usage(argv[0], flags);
exit(1);
}
if (flags.version) {
version();
exit(0);
}
if (help) {
usage(argv[0], flags);
exit(1);
}
// Initialize libprocess.
if (ip.isSome()) {
os::setenv("LIBPROCESS_IP", ip.get());
}
os::setenv("LIBPROCESS_PORT", stringify(port));
process::initialize("master");
logging::initialize(argv[0], flags, true); // Catch signals.
LOG(INFO) << "Build: " << build::DATE << " by " << build::USER;
LOG(INFO) << "Version: " << MESOS_VERSION;
if (build::GIT_TAG.isSome()) {
LOG(INFO) << "Git tag: " << build::GIT_TAG.get();
}
if (build::GIT_SHA.isSome()) {
LOG(INFO) << "Git SHA: " << build::GIT_SHA.get();
}
allocator::AllocatorProcess* allocatorProcess =
new allocator::HierarchicalDRFAllocatorProcess();
allocator::Allocator* allocator =
new allocator::Allocator(allocatorProcess);
state::Storage* storage = NULL;
Log* log = NULL;
if (flags.registry == "in_memory") {
if (flags.registry_strict) {
EXIT(1) << "Cannot use '--registry_strict' when using in-memory storage"
<< " based registry";
}
storage = new state::InMemoryStorage();
} else if (flags.registry == "replicated_log" ||
flags.registry == "log_storage") {
// TODO(bmahler): "log_storage" is present for backwards
// compatibility, can be removed before 0.19.0.
if (flags.work_dir.isNone()) {
EXIT(1) << "--work_dir needed for replicated log based registry";
}
if (zk.isSome()) {
// Use replicated log with ZooKeeper.
if (flags.quorum.isNone()) {
EXIT(1) << "Need to specify --quorum for replicated log based registry"
<< " when using ZooKeeper";
}
// TODO(vinod): Add support for "--zk=file://".
Try<URL> url = URL::parse(zk.get());
if (url.isError()) {
EXIT(1) << "Error parsing ZooKeeper URL: " << url.error();
}
log = new Log(
flags.quorum.get(),
path::join(flags.work_dir.get(), "replicated_log"),
url.get().servers,
flags.zk_session_timeout,
path::join(url.get().path, "log_replicas"),
url.get().authentication,
flags.log_auto_initialize);
} else {
// Use replicated log without ZooKeeper.
log = new Log(
1,
path::join(flags.work_dir.get(), "replicated_log"),
set<UPID>(),
flags.log_auto_initialize);
}
storage = new state::LogStorage(log);
} else {
EXIT(1) << "'" << flags.registry << "' is not a supported"
<< " option for registry persistence";
}
CHECK_NOTNULL(storage);
state::protobuf::State* state = new state::protobuf::State(storage);
Registrar* registrar = new Registrar(flags, state);
Repairer* repairer = new Repairer();
Files files;
MasterContender* contender;
MasterDetector* detector;
// TODO(vinod): 'MasterContender::create()' should take
// Option<string>.
Try<MasterContender*> contender_ = MasterContender::create(zk.get(""));
if (contender_.isError()) {
EXIT(1) << "Failed to create a master contender: " << contender_.error();
}
contender = contender_.get();
// TODO(vinod): 'MasterDetector::create()' should take
// Option<string>.
Try<MasterDetector*> detector_ = MasterDetector::create(zk.get(""));
if (detector_.isError()) {
EXIT(1) << "Failed to create a master detector: " << detector_.error();
}
detector = detector_.get();
LOG(INFO) << "Starting Mesos master";
Master* master =
new Master(
allocator,
registrar,
repairer,
&files,
contender,
detector,
flags);
if (zk.isNone()) {
// It means we are using the standalone detector so we need to
// appoint this Master as the leader.
dynamic_cast<StandaloneMasterDetector*>(detector)->appoint(master->info());
}
process::spawn(master);
process::wait(master->self());
delete master;
delete allocator;
delete allocatorProcess;
delete registrar;
delete repairer;
delete state;
delete storage;
delete log;
delete contender;
delete detector;
return 0;
}
int main(int argc, char** argv)
{
GOOGLE_PROTOBUF_VERIFY_VERSION;
master::Flags flags;
// The following flags are executable specific (e.g., since we only
// have one instance of libprocess per execution, we only want to
// advertise the IP and port option once, here).
Option<string> ip;
flags.add(&ip, "ip", "IP address to listen on");
uint16_t port;
flags.add(&port, "port", "Port to listen on", MasterInfo().port());
string zk;
flags.add(&zk,
"zk",
"ZooKeeper URL (used for leader election amongst masters)\n"
"May be one of:\n"
" zk://host1:port1,host2:port2,.../path\n"
" zk://username:password@host1:port1,host2:port2,.../path\n"
" file://path/to/file (where file contains one of the above)",
"");
bool help;
flags.add(&help,
"help",
"Prints this help message",
false);
Try<Nothing> load = flags.load("MESOS_", argc, argv);
if (load.isError()) {
cerr << load.error() << endl;
usage(argv[0], flags);
exit(1);
}
if (help) {
usage(argv[0], flags);
exit(1);
}
// Initialize libprocess.
if (ip.isSome()) {
os::setenv("LIBPROCESS_IP", ip.get());
}
os::setenv("LIBPROCESS_PORT", stringify(port));
process::initialize("master");
logging::initialize(argv[0], flags, true); // Catch signals.
LOG(INFO) << "Build: " << build::DATE << " by " << build::USER;
LOG(INFO) << "Version: " << MESOS_VERSION;
if (build::GIT_TAG.isSome()) {
LOG(INFO) << "Git tag: " << build::GIT_TAG.get();
}
if (build::GIT_SHA.isSome()) {
LOG(INFO) << "Git SHA: " << build::GIT_SHA.get();
}
allocator::AllocatorProcess* allocatorProcess =
new allocator::HierarchicalDRFAllocatorProcess();
allocator::Allocator* allocator =
new allocator::Allocator(allocatorProcess);
state::Storage* storage = NULL;
if (strings::startsWith(flags.registry, "zk://")) {
// TODO(benh):
EXIT(1) << "ZooKeeper based registry unimplemented";
} else if (flags.registry == "local") {
storage = new state::LevelDBStorage(path::join(flags.work_dir, "registry"));
} else {
EXIT(1) << "'" << flags.registry << "' is not a supported"
<< " option for registry persistence";
}
CHECK_NOTNULL(storage);
state::protobuf::State* state = new state::protobuf::State(storage);
Registrar* registrar = new Registrar(state);
Repairer* repairer = new Repairer();
Files files;
MasterContender* contender;
MasterDetector* detector;
Try<MasterContender*> contender_ = MasterContender::create(zk);
if (contender_.isError()) {
EXIT(1) << "Failed to create a master contender: " << contender_.error();
}
contender = contender_.get();
Try<MasterDetector*> detector_ = MasterDetector::create(zk);
if (detector_.isError()) {
EXIT(1) << "Failed to create a master detector: " << detector_.error();
}
detector = detector_.get();
LOG(INFO) << "Starting Mesos master";
Master* master =
new Master(
allocator,
registrar,
repairer,
&files,
contender,
detector,
flags);
if (zk == "") {
// It means we are using the standalone detector so we need to
// appoint this Master as the leader.
dynamic_cast<StandaloneMasterDetector*>(detector)->appoint(master->info());
}
process::spawn(master);
process::wait(master->self());
delete master;
delete allocator;
delete allocatorProcess;
delete registrar;
delete repairer;
delete state;
delete storage;
delete contender;
delete detector;
return 0;
}
