public virtual void TestGetAuthenticationMethod()
{
Configuration conf = new Configuration();
// default is simple
conf.Unset(CommonConfigurationKeysPublic.HadoopSecurityAuthentication);
Assert.Equal(UserGroupInformation.AuthenticationMethod.Simple,
SecurityUtil.GetAuthenticationMethod(conf));
// simple
conf.Set(CommonConfigurationKeysPublic.HadoopSecurityAuthentication, "simple");
Assert.Equal(UserGroupInformation.AuthenticationMethod.Simple,
SecurityUtil.GetAuthenticationMethod(conf));
// kerberos
conf.Set(CommonConfigurationKeysPublic.HadoopSecurityAuthentication, "kerberos");
Assert.Equal(UserGroupInformation.AuthenticationMethod.Kerberos
, SecurityUtil.GetAuthenticationMethod(conf));
// bad value
conf.Set(CommonConfigurationKeysPublic.HadoopSecurityAuthentication, "kaboom");
string error = null;
try
{
SecurityUtil.GetAuthenticationMethod(conf);
}
catch (Exception e)
{
error = e.ToString();
}
Assert.Equal("java.lang.IllegalArgumentException: " + "Invalid attribute value for "
+ CommonConfigurationKeysPublic.HadoopSecurityAuthentication + " of kaboom", error
);
}
/// <summary>Set the static configuration to get the rules.</summary>
/// <remarks>
/// Set the static configuration to get the rules.
/// <p/>
/// IMPORTANT: This method does a NOP if the rules have been set already.
/// If there is a need to reset the rules, the
/// <see cref="Org.Apache.Hadoop.Security.Authentication.Util.KerberosName.SetRules(string)
/// "/>
/// method should be invoked directly.
/// </remarks>
/// <param name="conf">the new configuration</param>
/// <exception cref="System.IO.IOException"/>
public static void SetConfiguration(Configuration conf)
{
string defaultRule;
switch (SecurityUtil.GetAuthenticationMethod(conf))
{
case UserGroupInformation.AuthenticationMethod.Kerberos:
case UserGroupInformation.AuthenticationMethod.KerberosSsl:
{
try
{
KerberosUtil.GetDefaultRealm();
}
catch (Exception ke)
{
throw new ArgumentException("Can't get Kerberos realm", ke);
}
defaultRule = "DEFAULT";
break;
}
default:
{
// just extract the simple user name
defaultRule = "RULE:[1:$1] RULE:[2:$1]";
break;
}
}
string ruleString = conf.Get(CommonConfigurationKeysPublic.HadoopSecurityAuthToLocal
, defaultRule);
SetRules(ruleString);
}
