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Fix race in CoordinatorPollingBasicAuthorizerCacheManager. (#5359) 

Similar to #5344 but for the authorizer instead of the authenticator.
This commit is contained in:
Gian Merlino 2018-02-06 16:45:29 -08:00 committed by Jonathan Wei
parent 77bb2f9c9f
commit eb17fba0e2
1 changed files with 2 additions and 2 deletions
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4
extensions-core/druid-basic-security/src/main/java/io/druid/security/basic/authorization/db/cache/CoordinatorPollingBasicAuthorizerCacheManager.java vendored
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@ -21,7 +21,6 @@ package io.druid.security.basic.authorization.db.cache;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.google.common.base.Preconditions;
import com.google.common.io.Files;
import com.google.inject.Inject;
import com.google.inject.Injector;
import io.druid.client.coordinator.Coordinator;
@ -29,6 +28,7 @@ import io.druid.concurrent.LifecycleLock;
import io.druid.discovery.DruidLeaderClient;
import io.druid.guice.ManageLifecycle;
import io.druid.guice.annotations.Smile;
import io.druid.java.util.common.FileUtils;
import io.druid.java.util.common.ISE;
import io.druid.java.util.common.RetryUtils;
import io.druid.java.util.common.StringUtils;
@ -212,7 +212,7 @@ public class CoordinatorPollingBasicAuthorizerCacheManager implements BasicAutho
File cacheDir = new File(commonCacheConfig.getCacheDirectory());
cacheDir.mkdirs();
File userMapFile = new File(commonCacheConfig.getCacheDirectory(), getUserRoleMapFilename(prefix));
Files.write(userMapBytes, userMapFile);
FileUtils.writeAtomically(userMapFile, out -> out.write(userMapBytes));
}
@Nullable