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Adds kerberos support for kudu connector
Includes handling of kerberos ticket expiration and product tests demonstrating ticket renewal
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45 changes: 45 additions & 0 deletions
45
plugin/trino-kudu/src/main/java/io/trino/plugin/kudu/KerberizedKuduClient.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,45 @@ | ||
| /* | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
| package io.trino.plugin.kudu; | ||
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| import io.trino.plugin.base.authentication.CachingKerberosAuthentication; | ||
| import org.apache.kudu.client.KuduClient; | ||
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| import javax.security.auth.Subject; | ||
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| import java.security.PrivilegedAction; | ||
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| import static java.util.Objects.requireNonNull; | ||
| import static org.apache.kudu.client.KuduClient.KuduClientBuilder; | ||
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| public class KerberizedKuduClient | ||
| extends ForwardingKuduClient | ||
| { | ||
| private final KuduClient kuduClient; | ||
| private final CachingKerberosAuthentication cachingKerberosAuthentication; | ||
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| KerberizedKuduClient(KuduClientBuilder kuduClientBuilder, CachingKerberosAuthentication cachingKerberosAuthentication) | ||
| { | ||
| requireNonNull(kuduClientBuilder, "kuduClientBuilder is null"); | ||
| this.cachingKerberosAuthentication = requireNonNull(cachingKerberosAuthentication, "cachingKerberosAuthentication is null"); | ||
| kuduClient = Subject.doAs(cachingKerberosAuthentication.getSubject(), (PrivilegedAction<KuduClient>) (kuduClientBuilder::build)); | ||
| } | ||
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| @Override | ||
| protected KuduClient delegate() | ||
| { | ||
| cachingKerberosAuthentication.reauthenticateIfSoonWillBeExpired(); | ||
| return kuduClient; | ||
| } | ||
| } |
41 changes: 41 additions & 0 deletions
41
plugin/trino-kudu/src/main/java/io/trino/plugin/kudu/KuduAuthenticationConfig.java
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| @@ -0,0 +1,41 @@ | ||
| /* | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
| package io.trino.plugin.kudu; | ||
|
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| import io.airlift.configuration.Config; | ||
| import io.airlift.configuration.ConfigDescription; | ||
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| public class KuduAuthenticationConfig | ||
| { | ||
| private KuduAuthenticationType authenticationType = KuduAuthenticationType.NONE; | ||
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| public enum KuduAuthenticationType | ||
| { | ||
| NONE, | ||
| KERBEROS; | ||
| } | ||
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| public KuduAuthenticationType getAuthenticationType() | ||
| { | ||
| return authenticationType; | ||
| } | ||
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| @Config("kudu.authentication.type") | ||
| @ConfigDescription("Kudu authentication type") | ||
| public KuduAuthenticationConfig setAuthenticationType(KuduAuthenticationType authenticationType) | ||
| { | ||
| this.authenticationType = authenticationType; | ||
| return this; | ||
| } | ||
| } |
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89 changes: 89 additions & 0 deletions
89
plugin/trino-kudu/src/main/java/io/trino/plugin/kudu/KuduKerberosConfig.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,89 @@ | ||
| /* | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
| package io.trino.plugin.kudu; | ||
|
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| import io.airlift.configuration.Config; | ||
| import io.airlift.configuration.ConfigDescription; | ||
| import io.airlift.configuration.validation.FileExists; | ||
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| import javax.validation.constraints.NotNull; | ||
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| import java.io.File; | ||
| import java.util.Optional; | ||
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| public class KuduKerberosConfig | ||
| { | ||
| private String clientPrincipal; | ||
| private File clientKeytab; | ||
| private File config; | ||
| // The kudu client defaults to using "kudu" if this is undefined | ||
| private Optional<String> kuduPrincipalPrimary = Optional.empty(); | ||
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| @NotNull | ||
| public String getClientPrincipal() | ||
| { | ||
| return clientPrincipal; | ||
| } | ||
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| @Config("kudu.authentication.client.principal") | ||
| @ConfigDescription("Kudu Kerberos client principal") | ||
| public KuduKerberosConfig setClientPrincipal(String clientPrincipal) | ||
| { | ||
| this.clientPrincipal = clientPrincipal; | ||
| return this; | ||
| } | ||
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| @NotNull | ||
| @FileExists | ||
| public File getClientKeytab() | ||
| { | ||
| return clientKeytab; | ||
| } | ||
|
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| @Config("kudu.authentication.client.keytab") | ||
| @ConfigDescription("Kudu Kerberos client keytab location") | ||
| public KuduKerberosConfig setClientKeytab(File clientKeytab) | ||
| { | ||
| this.clientKeytab = clientKeytab; | ||
| return this; | ||
| } | ||
|
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| @NotNull | ||
| @FileExists | ||
| public File getConfig() | ||
| { | ||
| return config; | ||
| } | ||
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| @Config("kudu.authentication.config") | ||
| @ConfigDescription("Kudu Kerberos service configuration file") | ||
| public KuduKerberosConfig setConfig(File config) | ||
| { | ||
| this.config = config; | ||
| return this; | ||
| } | ||
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| public Optional<String> getKuduPrincipalPrimary() | ||
| { | ||
| return kuduPrincipalPrimary; | ||
| } | ||
|
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| @Config("kudu.authentication.server.principal.primary") | ||
| @ConfigDescription("The 'primary' portion of the kudu service principal name") | ||
| public KuduKerberosConfig setKuduPrincipalPrimary(String kuduPrincipalPrimary) | ||
| { | ||
| this.kuduPrincipalPrimary = Optional.ofNullable(kuduPrincipalPrimary); | ||
| return this; | ||
| } | ||
| } |
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