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NIFI-4197 - Expose some proxy settings to GCS Processors 

Signed-off-by: James Wing <jvwing@gmail.com>

This closes #2017.
This commit is contained in:
Andre F de Miranda 2017-07-18 20:07:13 +10:00 committed by James Wing
parent d9866c75e2
commit 8d4fe38bb4
2 changed files with 53 additions and 5 deletions
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23
nifi-nar-bundles/nifi-gcp-bundle/nifi-gcp-processors/src/main/java/org/apache/nifi/processors/gcp/AbstractGCPProcessor.java
View File

@ -55,6 +55,25 @@ public abstract class AbstractGCPProcessor<
.addValidator(StandardValidators.INTEGER_VALIDATOR)
.build();
public static final PropertyDescriptor PROXY_HOST = new PropertyDescriptor
.Builder().name("gcp-proxy-host")
.displayName("Proxy host")
.description("IP or hostname of the proxy to be used")
.required(false)
.expressionLanguageSupported(false)
.addValidator(StandardValidators.NON_EMPTY_VALIDATOR)
.build();
public static final PropertyDescriptor PROXY_PORT = new PropertyDescriptor
.Builder().name("gcp-proxy-port")
.displayName("Proxy port")
.description("Proxy port number")
.required(false)
.expressionLanguageSupported(false)
.addValidator(StandardValidators.INTEGER_VALIDATOR)
.build();
/**
* Links to the {@link GCPCredentialsService} which provides credentials for this particular processor.
*/
@ -78,7 +97,9 @@ public abstract class AbstractGCPProcessor<
return ImmutableList.of(
GCP_CREDENTIALS_PROVIDER_SERVICE,
PROJECT_ID,
RETRY_COUNT
RETRY_COUNT,
PROXY_HOST,
PROXY_PORT
);
}

33
nifi-nar-bundles/nifi-gcp-bundle/nifi-gcp-processors/src/main/java/org/apache/nifi/processors/gcp/storage/AbstractGCSProcessor.java
View File

@ -16,6 +16,9 @@
*/
package org.apache.nifi.processors.gcp.storage;
import com.google.api.client.http.HttpTransport;
import com.google.api.client.http.javanet.NetHttpTransport;
import com.google.auth.http.HttpTransportFactory;
import com.google.auth.oauth2.GoogleCredentials;
import com.google.cloud.RetryParams;
import com.google.cloud.storage.Storage;
@ -26,7 +29,10 @@ import org.apache.nifi.components.PropertyDescriptor;
import org.apache.nifi.processor.ProcessContext;
import org.apache.nifi.processor.Relationship;
import org.apache.nifi.processors.gcp.AbstractGCPProcessor;
import org.apache.nifi.util.StringUtils;
import java.net.InetSocketAddress;
import java.net.Proxy;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashSet;
@ -66,15 +72,36 @@ public abstract class AbstractGCSProcessor extends AbstractGCPProcessor<Storage,
@Override
protected StorageOptions getServiceOptions(ProcessContext context, GoogleCredentials credentials) {
final String projectId = context.getProperty(PROJECT_ID).getValue();
final Integer retryCount = Integer.valueOf(context.getProperty(RETRY_COUNT).getValue());
final Integer retryCount = context.getProperty(RETRY_COUNT).asInteger();
return StorageOptions.newBuilder()
final String proxyHost = context.getProperty(PROXY_HOST).getValue();
final Integer proxyPort = context.getProperty(PROXY_PORT).asInteger();
StorageOptions.Builder storageOptionsBuilder = StorageOptions.newBuilder()
.setCredentials(credentials)
.setProjectId(projectId)
.setRetryParams(RetryParams.newBuilder()
.setRetryMaxAttempts(retryCount)
.setRetryMinAttempts(retryCount)
.build())
.build());
if (!StringUtils.isBlank(proxyHost) && proxyPort > 0) {
storageOptionsBuilder.setHttpTransportFactory(new HttpTransportFactory() {
@Override
public HttpTransport create() {
final HttpTransport transport = new NetHttpTransport.Builder()
.setProxy(
new Proxy(
Proxy.Type.HTTP, new InetSocketAddress(proxyHost, proxyPort)
)
)
.build();
return transport;
}
});
}
return storageOptionsBuilder.build();
}
}