martin-g commented on a change in pull request #243: Improved
CloudMembershipService documentation and configuration
URL: https://github.com/apache/tomcat/pull/243#discussion_r380046859
##########
File path:
java/org/apache/catalina/tribes/membership/cloud/DNSMembershipProvider.java
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@@ -30,6 +30,61 @@
import org.apache.juli.logging.Log;
import org.apache.juli.logging.LogFactory;
+/**
+ * A {@link org.apache.catalina.tribes.MembershipProvider} that uses DNS to
retrieve the members of a cluster.<br>
+ *
+ * <p>
+ * <strong>Configuration example for Kubernetes</strong>
+ * </p>
+ *
+ * {@code server.xml }
+ *
+ * <pre>
+ * {@code
+ * <Server ...
+ *
+ * <Service ...
+ *
+ * <Engine ...
+ *
+ * <Host ...
+ *
+ * <Cluster className="org.apache.catalina.ha.tcp.SimpleTcpCluster">
+ * <Channel
className="org.apache.catalina.tribes.group.GroupChannel">
+ * <Membership
className="org.apache.catalina.tribes.membership.cloud.CloudMembershipService"
+ *
membershipProviderClassName="org.apache.catalina.tribes.membership.cloud.DNSMembershipProvider"/>
+ * </Channel>
+ * </Cluster>
+ * ...
+ * }
+ * </pre>
+ *
+ * {@code dns-membership-service.yml }
+ *
+ * <pre>
+ * {@code
+ * apiVersion: v1
Review comment:
I am confused.
`"One uses rhe Kubernetes API..."` - is this DNSMembershipProvider ?
`...the other one is "lightweight" and does the same with a DNS hack
request` - is this KubernetesMembershipProvider ?
If this is the case then IMO those classes should swap their names.
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