/// <summary>This method creates the Curator client and connects to ZooKeeper.</summary>
/// <param name="config">configuration properties</param>
/// <returns>A Curator client</returns>
/// <exception cref="System.Exception"/>
protected internal virtual CuratorFramework CreateCuratorClient(Properties config
)
{
string connectionString = config.GetProperty(ZookeeperConnectionString, "localhost:2181"
);
RetryPolicy retryPolicy = new ExponentialBackoffRetry(1000, 3);
ACLProvider aclProvider;
string authType = config.GetProperty(ZookeeperAuthType, "none");
if (authType.Equals("sasl"))
{
Log.Info("Connecting to ZooKeeper with SASL/Kerberos" + "and using 'sasl' ACLs");
string principal = SetJaasConfiguration(config);
Runtime.SetProperty(ZooKeeperSaslClient.LoginContextNameKey, JaasLoginEntryName);
Runtime.SetProperty("zookeeper.authProvider.1", "org.apache.zookeeper.server.auth.SASLAuthenticationProvider"
);
aclProvider = new ZKSignerSecretProvider.SASLOwnerACLProvider(principal);
}
else
{
// "none"
Log.Info("Connecting to ZooKeeper without authentication");
aclProvider = new DefaultACLProvider();
}
// open to everyone
CuratorFramework cf = CuratorFrameworkFactory.Builder().ConnectString(connectionString
).RetryPolicy(retryPolicy).AclProvider(aclProvider).Build();
cf.Start();
return(cf);
}
public virtual void TestACLs()
{
DelegationTokenManager tm1;
string connectString = zkServer.GetConnectString();
Configuration conf = GetSecretConf(connectString);
RetryPolicy retryPolicy = new ExponentialBackoffRetry(1000, 3);
string userPass = "******";
ACL digestACL = new ACL(ZooDefs.Perms.All, new ID("digest", DigestAuthenticationProvider
.GenerateDigest(userPass)));
ACLProvider digestAclProvider = new _ACLProvider_319(digestACL);
CuratorFramework curatorFramework = CuratorFrameworkFactory.Builder().ConnectString
(connectString).RetryPolicy(retryPolicy).AclProvider(digestAclProvider).Authorization
("digest", Runtime.GetBytesForString(userPass, "UTF-8")).Build();
curatorFramework.Start();
ZKDelegationTokenSecretManager.SetCurator(curatorFramework);
tm1 = new DelegationTokenManager(conf, new Text("bla"));
tm1.Init();
// check ACL
string workingPath = conf.Get(ZKDelegationTokenSecretManager.ZkDtsmZnodeWorkingPath
);
VerifyACL(curatorFramework, "/" + workingPath, digestACL);
tm1.Destroy();
ZKDelegationTokenSecretManager.SetCurator(null);
curatorFramework.Close();
}
public void testExponentialBackoffRetryLimit()
{
IRetrySleeper sleeper = new RetrySleeper();
ExponentialBackoffRetry retry = new ExponentialBackoffRetry(1, Int32.MaxValue, 100);
for (int i = 0; i >= 0; ++i)
{
retry.allowRetry(i, 0, sleeper);
}
}
