com.google.jenkins.plugins.util

Class MetadataReader.Default

java.lang.Object

com.google.jenkins.plugins.util.MetadataReader.Default

All Implemented Interfaces:

MetadataReader

Enclosing interface:

MetadataReader

public static class MetadataReader.Default
extends Object
implements MetadataReader

A simple default implementation that reads metadata via http requests.

Nested Class Summary

Nested classes/interfaces inherited from interface com.google.jenkins.plugins.util.MetadataReader

MetadataReader.Default

Field Summary

Fields

Modifier and Type	Field and Description
static String	METADATA_SERVER The address of the GCE Metadata service that provides GCE instances with information about the default service account.

Constructor Summary

Constructors

Constructor and Description
Default()
Default(com.google.api.client.http.HttpRequestFactory requestFactory)

Method Summary

Modifier and Type	Method and Description
boolean	hasMetadata() Are we on a Google Compute Engine instance?
String	readMetadata(String metadataPath) Reads the specified sub-element out of the Google Compute Engine instance's metadata.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

METADATA_SERVER

public static final String METADATA_SERVER

The address of the GCE Metadata service that provides GCE instances with information about the default service account.

See Also:

Constant Field Values

Constructor Detail

Default

public Default()

Default

public Default(com.google.api.client.http.HttpRequestFactory requestFactory)

Method Detail

readMetadata

public String readMetadata(String metadataPath)
                    throws IOException,
                           ExecutorException

Reads the specified sub-element out of the Google Compute Engine instance's metadata. These relative paths are expected to start with:

• /instance/...
• /project/...

Specified by:

readMetadata in interface MetadataReader

Throws:

IOException

ExecutorException

hasMetadata

public boolean hasMetadata()

Are we on a Google Compute Engine instance?

Specified by:

hasMetadata in interface MetadataReader