[id='jgroups-extras-properties_{context}']
= System properties for cloud discovery protocols

Use the following properties to configure JGroups discovery protocols for hosted platforms.

== Amazon EC2

System properties for configuring `aws.S3_PING`.

[%header,cols="1,3,2,1"]
|===

| System Property
| Description
| Default Value
| Required/Optional

| `jgroups.s3.region_name`
| Name of the Amazon S3 region.
| No default value.
| Optional

| `jgroups.s3.bucket_name`
| Name of the Amazon S3 bucket. The name must exist and be unique.
| No default value.
| Optional

|===

== Google Cloud Platform

System properties for configuring `GOOGLE_PING2`.

[%header,cols="1,3,2,1"]
|===

| System Property
| Description
| Default Value
| Required/Optional

| `jgroups.google.bucket_name`
| Name of the Google Compute Engine bucket. The name must exist and be unique.
| No default value.
| Required

|===

== Azure

System properties for azure.AZURE_PING`.

[%header,cols="1,3,2,1"]
|===

| System Property
| Description
| Default Value
| Required/Optional

| `jboss.jgroups.azure_ping.storage_account_name`
| Name of the Azure storage account. The name must exist and be unique.
| No default value.
| Required

| `jboss.jgroups.azure_ping.storage_access_key`
| Name of the Azure storage access key.
| No default value.
| Required

| `jboss.jgroups.azure_ping.container`
| Valid DNS name of the container that stores ping information.
| No default value.
| Required

|===

== {k8s}

System properties for `DNS_PING`.

[%header,cols="1,3,2,1"]
|===

| System Property
| Description
| Default Value
| Required/Optional

| `jgroups.dns.query`
| Sets the DNS record that returns cluster members.
| No default value.
| Required

| `jgroups.dns.record`
| Sets the DNS record type.
| A
| Optional

|===
