@Override
public void terminatingConfigurationContext(ConfigurationContext configurationContext) {
CarbonContext carbonContext = CarbonContext.getThreadLocalCarbonContext();
int tid = carbonContext.getTenantId();
distroyTicketsForTenant(carbonContext.getTenantDomain());
distroyTicketsForSuperTenant();
try {
hdfsInstanceCache.closeTenantUsersFS(carbonContext.getTenantDomain());
hdfsInstanceCache.closeSuperTenantFS();
log.info("File system instance successfully closed for tenant " + tid);
} catch (IOException e) {
log.error("Error occurred while closinf HDFS file system for tenant " + tid, e);
}
}
public class HDFSAdminAxis2ConfigContextObserver implements Axis2ConfigurationContextObserver {
private static final Log log = LogFactory.getLog(HDFSAdminAxis2ConfigContextObserver.class);
TenantUserFSCache hdfsInstanceCache = TenantUserFSCache.getInstance();
@Override
public void creatingConfigurationContext(int tenantId) {}
public void createdConfigurationContext(ConfigurationContext configurationContext) {}
@Override
public void terminatingConfigurationContext(ConfigurationContext configurationContext) {
CarbonContext carbonContext = CarbonContext.getThreadLocalCarbonContext();
int tid = carbonContext.getTenantId();
distroyTicketsForTenant(carbonContext.getTenantDomain());
distroyTicketsForSuperTenant();
try {
hdfsInstanceCache.closeTenantUsersFS(carbonContext.getTenantDomain());
hdfsInstanceCache.closeSuperTenantFS();
log.info("File system instance successfully closed for tenant " + tid);
} catch (IOException e) {
log.error("Error occurred while closinf HDFS file system for tenant " + tid, e);
}
}
// TODO [Shani] As the line using this is commented out, leaving this.
private FileSystem getFileSystemInstance() {
FileSystem hdfsFS = null;
try {
DataAccessService dataAccessService =
HDFSAdminComponentManager.getInstance().getDataAccessService();
hdfsFS = dataAccessService.mountCurrentUserFileSystem();
} catch (HDFSServerManagementException e) {
log.error("Error occurred while initializing dataAccessService ", e);
} catch (IOException e) {
log.error("Error occurred while mounting file system ", e);
;
}
return hdfsFS;
}
private void distroyTicketsForTenant(String tenantDomain) {
Set<String> cachedPrincipals =
KerberosTicketToTenantCache.getInstance().tenantTGTCache.keySet();
if (cachedPrincipals != null) {
for (String principal : cachedPrincipals) {
if (principal.contains(tenantDomain)) {
KerberosTicketToTenantCache.getInstance().tenantTGTCache.remove(principal);
}
}
}
}
private void distroyTicketsForSuperTenant() {
KerberosTicketToTenantCache.getInstance()
.tenantTGTCache
.remove("admin/" + MultitenantConstants.SUPER_TENANT_DOMAIN_NAME);
}
@Override
public void terminatedConfigurationContext(ConfigurationContext arg0) {}
}
