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RANGER-5116: updated Ranger plugin to support configurations to initialize kerberos identity #518

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merged 4 commits into from
Jan 28, 2025
Merged

RANGER-5116: updated Ranger plugin to support configurations to initialize kerberos identity #518

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51b3fee
RANGER-5116: updated Ranger plugin to support configurations to initi…
mneethiraj Jan 26, 2025
ae83190
updated config names
mneethiraj Jan 26, 2025
dbde224
updates to minimize repeat of configuration prefix
mneethiraj Jan 27, 2025
f731992
Update RangerBasePlugin.java
mneethiraj Jan 27, 2025
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53 changes: 53 additions & 0 deletions agents-common/src/main/java/org/apache/ranger/plugin/service/RangerBasePlugin.java
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Original file line number Diff line number Diff line change
Expand Up @@ -22,10 +22,12 @@
import org.apache.commons.collections.CollectionUtils;
import org.apache.commons.collections.MapUtils;
import org.apache.commons.lang.StringUtils;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.ranger.admin.client.RangerAdminClient;
import org.apache.ranger.admin.client.RangerAdminRESTClient;
import org.apache.ranger.audit.provider.AuditHandler;
import org.apache.ranger.audit.provider.AuditProviderFactory;
import org.apache.ranger.audit.provider.MiscUtil;
import org.apache.ranger.audit.provider.StandAloneAuditProviderFactory;
import org.apache.ranger.authorization.hadoop.config.RangerAuditConfig;
import org.apache.ranger.authorization.hadoop.config.RangerPluginConfig;
Expand Down Expand Up @@ -70,6 +72,7 @@
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
Expand Down Expand Up @@ -135,6 +138,56 @@ public RangerBasePlugin(RangerPluginConfig pluginConfig) {
setIsFallbackSupported(pluginConfig.getBoolean(pluginConfig.getPropertyPrefix() + ".is.fallback.supported", false));
setServiceAdmins(serviceAdmins);

String kerbPrefix = pluginConfig.getPropertyPrefix() + ".kerberos";
boolean initKerb = pluginConfig.getBoolean(kerbPrefix + ".initialize", false);

if (initKerb) {
String kerbLoginType = pluginConfig.get(kerbPrefix + ".login.type");

if (StringUtils.equalsIgnoreCase(kerbLoginType, "keytab")) {
String kerbPrincipal = pluginConfig.get(kerbPrefix + ".keytab.principal");
String kerbKeytab = pluginConfig.get(kerbPrefix + ".keytab.file");

if (StringUtils.isNotBlank(kerbPrincipal) && StringUtils.isNotBlank(kerbKeytab)) {
LOG.info("Kerberos login - ugi: principal={}, keytab={}", kerbPrincipal, kerbKeytab);

try {
UserGroupInformation.loginUserFromKeytab(kerbPrincipal, kerbKeytab);
} catch (IOException excp) {
LOG.error("Kerberos login - ugi: failed", excp);

throw new RuntimeException(excp);
}
} else {
String msg = String.format("Kerberos login - ugi: invalid configuration: %s=%s, %s=%s", kerbPrefix + ".keytab.principal", kerbPrincipal, kerbPrefix + ".keytab.file", kerbKeytab);

LOG.error(msg);

throw new RuntimeException(msg);
}
} else if (StringUtils.equalsIgnoreCase(kerbLoginType, "jaas")) {
String appConfig = pluginConfig.get(kerbPrefix + ".jaas.appconfig");

if (StringUtils.isNotBlank(appConfig)) {
try {
MiscUtil.setUGIFromJAASConfig(appConfig);
} catch (Exception excp) {
LOG.error("Kerberos login - jaas: appconfig={} failed", appConfig, excp);

throw new RuntimeException(excp);
}
} else {
String msg = String.format("Kerberos login - jaas: invalid configuration: %s=%s", kerbPrefix + ".jaas.appconfig", appConfig);

LOG.error(msg);

throw new RuntimeException(msg);
}
} else {
LOG.warn("Kerberos login: invalid configuration {}={}", kerbPrefix + ".login.type", kerbLoginType);
}
}

RangerRequestScriptEvaluator.init(pluginConfig);

this.dedupStrings = pluginConfig.getBoolean(pluginConfig.getPropertyPrefix() + ".dedup.strings", true);
Expand Down