public virtual void Refresh(Configuration conf, PolicyProvider provider)
{
// Get the system property 'hadoop.policy.file'
string policyFile = Runtime.GetProperty("hadoop.policy.file", HadoopPolicyFile);
// Make a copy of the original config, and load the policy file
Configuration policyConf = new Configuration(conf);
policyConf.AddResource(policyFile);
RefreshWithLoadedConfiguration(policyConf, provider);
}
public virtual void RefreshWithLoadedConfiguration(Configuration conf, PolicyProvider
provider)
{
IDictionary <Type, AccessControlList[]> newAcls = new IdentityHashMap <Type, AccessControlList
[]>();
IDictionary <Type, MachineList[]> newMachineLists = new IdentityHashMap <Type, MachineList
[]>();
string defaultAcl = conf.Get(CommonConfigurationKeys.HadoopSecurityServiceAuthorizationDefaultAcl
, AccessControlList.WildcardAclValue);
string defaultBlockedAcl = conf.Get(CommonConfigurationKeys.HadoopSecurityServiceAuthorizationDefaultBlockedAcl
, string.Empty);
string defaultServiceHostsKey = GetHostKey(CommonConfigurationKeys.HadoopSecurityServiceAuthorizationDefaultAcl
);
string defaultMachineList = conf.Get(defaultServiceHostsKey, MachineList.WildcardValue
);
string defaultBlockedMachineList = conf.Get(defaultServiceHostsKey + Blocked, string.Empty
);
// Parse the config file
Service[] services = provider.GetServices();
if (services != null)
{
foreach (Service service in services)
{
AccessControlList acl = new AccessControlList(conf.Get(service.GetServiceKey(), defaultAcl
));
AccessControlList blockedAcl = new AccessControlList(conf.Get(service.GetServiceKey
() + Blocked, defaultBlockedAcl));
newAcls[service.GetProtocol()] = new AccessControlList[] { acl, blockedAcl };
string serviceHostsKey = GetHostKey(service.GetServiceKey());
MachineList machineList = new MachineList(conf.Get(serviceHostsKey, defaultMachineList
));
MachineList blockedMachineList = new MachineList(conf.Get(serviceHostsKey + Blocked
, defaultBlockedMachineList));
newMachineLists[service.GetProtocol()] = new MachineList[] { machineList, blockedMachineList };
}
}
// Flip to the newly parsed permissions
protocolToAcls = newAcls;
protocolToMachineLists = newMachineLists;
}