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25.2. S3_PING Configuration Options
Red Hat JBoss Data Grid works with Amazon Web Services in two ways:
- In Library mode, use JGroups'
jgroups-ec2.xmlfile (see Section 24.3.2.3, “jgroups-ec2.xml” for details) or use theS3_PINGprotocol. - In Remote Client-Server mode, use JGroups'
S3_PINGprotocol.
In Library and Remote Client-Server mode, there are three ways to configure the
S3_PING protocol for clustering to work in Amazon AWS:
- Use Private S3 Buckets. These buckets use Amazon AWS credentials.
- Use Pre-Signed URLs. These pre-assigned URLs are assigned to buckets with private write and public read rights.
- Use Public S3 Buckets. These buckets do not have any credentials.
25.2.1. Using Private S3 Buckets
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This configuration requires access to a private bucket that can only be accessed with the appropriate AWS credentials. To confirm that the appropriate permissions are available, confirm that the user has the following permissions for the bucket:
- List
- Upload/Delete
- View Permissions
- Edit Permissions
Ensure that the
S3_PING configuration includes the following properties:
- either the
locationor theprefixproperty to specify the bucket, but not both. If theprefixproperty is set,S3_PINGsearches for a bucket with a name that starts with the prefix value. If a bucket with the prefix at the beginning of the name is found,S3_PINGuses that bucket. If a bucket with the prefix is not found,S3_PINGcreates a bucket using the AWS credentials and names it based on the prefix and a UUID (the naming format is {prefix value}-{UUID}). - the
access_keyandsecret_access_keyproperties for the AWS user.
Note
If a
403 error displays when using this configuration, verify that the properties have the correct values. If the problem persists, confirm that the system time in the EC2 node is correct. Amazon S3 rejects requests with a time stamp that is more than 15 minutes old compared to their server's times for security purposes.
Example 25.1. Start the Red Hat JBoss Data Grid Server with a Private Bucket
Run the following command from the top level of the server directory to start the Red Hat JBoss Data Grid server using a private S3 bucket:
bin/clustered.sh -Djboss.bind.address={server_ip_address} -Djboss.bind.address.management={server_ip_address} -Djboss.default.jgroups.stack=s3 -Djgroups.s3.bucket={s3_bucket_name} -Djgroups.s3.access_key={access_key} -Djgroups.s3.secret_access_key={secret_access_key}
bin/clustered.sh -Djboss.bind.address={server_ip_address} -Djboss.bind.address.management={server_ip_address} -Djboss.default.jgroups.stack=s3 -Djgroups.s3.bucket={s3_bucket_name} -Djgroups.s3.access_key={access_key} -Djgroups.s3.secret_access_key={secret_access_key}- Replace {server_ip_address} with the server's IP address.
- Replace {s3_bucket_name} with the appropriate bucket name.
- Replace {access_key} with the user's access key.
- Replace {secret_access_key} with the user's secret access key.
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