Examples with SystemClock com.spotify.helios.common.SystemClock used on opensource projects

Example 1 with SystemClock

use of com.spotify.helios.common.SystemClock in project helios by spotify.

the class AgentService method setupZookeeperClient.

/**
 * Create a Zookeeper client and create the control and state nodes if needed.
 *
 * @param config The service configuration.
 *
 * @return A zookeeper client.
 */
private ZooKeeperClient setupZookeeperClient(final AgentConfig config, final String id, final CountDownLatch zkRegistrationSignal) {
    ACLProvider aclProvider = null;
    List<AuthInfo> authorization = null;
    final String agentUser = config.getZookeeperAclAgentUser();
    final String agentPassword = config.getZooKeeperAclAgentPassword();
    final String masterUser = config.getZookeeperAclMasterUser();
    final String masterDigest = config.getZooKeeperAclMasterDigest();
    if (!isNullOrEmpty(agentPassword)) {
        if (isNullOrEmpty(agentUser)) {
            throw new HeliosRuntimeException("Agent username must be set if a password is set");
        }
        authorization = Lists.newArrayList(new AuthInfo("digest", String.format("%s:%s", agentUser, agentPassword).getBytes()));
    }
    if (config.isZooKeeperEnableAcls()) {
        if (isNullOrEmpty(agentUser) || isNullOrEmpty(agentPassword)) {
            throw new HeliosRuntimeException("ZooKeeper ACLs enabled but agent username and/or password not set");
        }
        if (isNullOrEmpty(masterUser) || isNullOrEmpty(masterDigest)) {
            throw new HeliosRuntimeException("ZooKeeper ACLs enabled but master username and/or digest not set");
        }
        aclProvider = heliosAclProvider(masterUser, masterDigest, agentUser, digest(agentUser, agentPassword));
    }
    final RetryPolicy zooKeeperRetryPolicy = new ExponentialBackoffRetry(1000, 3);
    final CuratorFramework curator = new CuratorClientFactoryImpl().newClient(config.getZooKeeperConnectionString(), config.getZooKeeperSessionTimeoutMillis(), config.getZooKeeperConnectionTimeoutMillis(), zooKeeperRetryPolicy, aclProvider, authorization);
    final ZooKeeperClient client = new DefaultZooKeeperClient(curator, config.getZooKeeperClusterId());
    client.start();
    // Register the agent
    final AgentZooKeeperRegistrar agentZooKeeperRegistrar = new AgentZooKeeperRegistrar(config.getName(), id, config.getZooKeeperRegistrationTtlMinutes(), new SystemClock());
    zkRegistrar = ZooKeeperRegistrarService.newBuilder().setZooKeeperClient(client).setZooKeeperRegistrar(agentZooKeeperRegistrar).setZkRegistrationSignal(zkRegistrationSignal).build();
    return client;
}