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YARN-8204. Added a flag to disable YARN service upgrade. 

Contributed by Chandni Singh
This commit is contained in:
Eric Yang 2018-04-27 12:23:56 -04:00
parent 9ab3f97089
commit 14b47990af
5 changed files with 41 additions and 4 deletions
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7
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/main/java/org/apache/hadoop/yarn/service/client/ServiceClient.java
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@ -74,6 +74,7 @@ import org.apache.hadoop.yarn.service.containerlaunch.ClasspathConstructor;
import org.apache.hadoop.yarn.service.containerlaunch.JavaCommandLineBuilder;
import org.apache.hadoop.yarn.service.exceptions.BadClusterStateException;
import org.apache.hadoop.yarn.service.exceptions.BadConfigException;
import org.apache.hadoop.yarn.service.exceptions.ErrorStrings;
import org.apache.hadoop.yarn.service.exceptions.SliderException;
import org.apache.hadoop.yarn.service.provider.AbstractClientProvider;
import org.apache.hadoop.yarn.service.provider.ProviderUtils;
@ -224,6 +225,12 @@ public class ServiceClient extends AppAdminClient implements SliderExitCodes,
public int initiateUpgrade(Service service) throws YarnException,
IOException {
boolean upgradeEnabled = getConfig().getBoolean(
YARN_SERVICE_UPGRADE_ENABLED,
YARN_SERVICE_UPGRADE_ENABLED_DEFAULT);
if (!upgradeEnabled) {
throw new YarnException(ErrorStrings.SERVICE_UPGRADE_DISABLED);
}
Service persistedService =
ServiceApiUtil.loadService(fs, service.getName());
if (!StringUtils.isEmpty(persistedService.getId())) {

7
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/main/java/org/apache/hadoop/yarn/service/conf/YarnServiceConf.java
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@ -127,6 +127,13 @@ public class YarnServiceConf {
public static final String YARN_SERVICE_CONTAINER_HEALTH_THRESHOLD_PREFIX =
YARN_SERVICE_PREFIX + "container-health-threshold.";
/**
* Upgrade feature enabled for services.
*/
public static final String YARN_SERVICE_UPGRADE_ENABLED =
"yarn.service.upgrade.enabled";
public static final boolean YARN_SERVICE_UPGRADE_ENABLED_DEFAULT = false;
/**
* The container health threshold percent when explicitly set for a specific
* component or globally for all components, will schedule a health check

2
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/main/java/org/apache/hadoop/yarn/service/exceptions/ErrorStrings.java
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@ -39,4 +39,6 @@ public interface ErrorStrings {
"Too many arguments";
String ERROR_DUPLICATE_ENTRY = "Duplicate entry for ";
String SERVICE_UPGRADE_DISABLED = "Service upgrade is disabled.";
}

1
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/test/java/org/apache/hadoop/yarn/service/TestYarnNativeServices.java
View File

@ -375,6 +375,7 @@ public class TestYarnNativeServices extends ServiceTestUtils {
@Test(timeout = 200000)
public void testUpgrade() throws Exception {
setupInternal(NUM_NMS);
getConf().setBoolean(YARN_SERVICE_UPGRADE_ENABLED, true);
ServiceClient client = createClient(getConf());
Service service = createExampleApplication();

28
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/test/java/org/apache/hadoop/yarn/service/client/TestServiceClient.java
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@ -39,6 +39,8 @@ import org.apache.hadoop.yarn.service.api.records.Component;
import org.apache.hadoop.yarn.service.api.records.Container;
import org.apache.hadoop.yarn.service.api.records.Service;
import org.apache.hadoop.yarn.service.api.records.ServiceState;
import org.apache.hadoop.yarn.service.conf.YarnServiceConf;
import org.apache.hadoop.yarn.service.exceptions.ErrorStrings;
import org.apache.hadoop.yarn.service.utils.ServiceApiUtil;
import org.junit.Assert;
import org.junit.Rule;
@ -66,10 +68,27 @@ public class TestServiceClient {
public ServiceTestUtils.ServiceFSWatcher rule =
new ServiceTestUtils.ServiceFSWatcher();
@Test
public void testUpgradeDisabledByDefault() throws Exception {
Service service = createService();
ServiceClient client = MockServiceClient.create(rule, service, false);
//upgrade the service
service.setVersion("v2");
try {
client.initiateUpgrade(service);
} catch (YarnException ex) {
Assert.assertEquals(ErrorStrings.SERVICE_UPGRADE_DISABLED,
ex.getMessage());
return;
}
Assert.fail();
}
@Test
public void testActionServiceUpgrade() throws Exception {
Service service = createService();
ServiceClient client = MockServiceClient.create(rule, service);
ServiceClient client = MockServiceClient.create(rule, service, true);
//upgrade the service
service.setVersion("v2");
@ -85,7 +104,7 @@ public class TestServiceClient {
@Test
public void testActionCompInstanceUpgrade() throws Exception {
Service service = createService();
MockServiceClient client = MockServiceClient.create(rule, service);
MockServiceClient client = MockServiceClient.create(rule, service, true);
//upgrade the service
service.setVersion("v2");
@ -127,7 +146,7 @@ public class TestServiceClient {
}
static MockServiceClient create(ServiceTestUtils.ServiceFSWatcher rule,
Service service)
Service service, boolean enableUpgrade)
throws IOException, YarnException {
MockServiceClient client = new MockServiceClient();
@ -163,7 +182,8 @@ public class TestServiceClient {
client.setFileSystem(rule.getFs());
client.setYarnClient(yarnClient);
client.service = service;
rule.getConf().setBoolean(YarnServiceConf.YARN_SERVICE_UPGRADE_ENABLED,
enableUpgrade);
client.init(rule.getConf());
client.start();
client.actionCreate(service);