Update documentation (#1027)

* Updated README.md

Signed-off-by: dhoard <[email protected]>

docs/README.md

@@ -251,24 +251,32 @@ httpServer:
 
 ---
 
-### Java agent use of a custom com.sun.net.httpserver.Authenticator class
-It is possible to provide a custom Authenticator implementation for the Java agent.
+## Pluggable Authenticator (Optional)
+
+It is possible to use a custom Authenticator (`com.sun.net.httpserver.Authenticator`) implementation for the Java agent.
+
 The custom class needs to be on the jvm classpath.
-The class name to load is provided through `authentication/customAuthenticator` configuration as follows:
+
+The class name to load is provided through `authentication/plugin` configuration as follows:
 
 ```yaml
 httpServer:
   authentication:
-    customAuthenticator:
-       authenticatorClass: my.custom.AuthenticatorWithNoArgConstructor
+    plugin:
+       class: my.custom.AuthenticatorWithNoArgConstructor
 ```
-If the custom authenticatorClass needs to provide an authenticated Subject visible to the application, it can set a named attribute on the HttpExchange with that subject. The agent will arrange that subsequent calls occur in a Subject.doAs().
+
+If the custom authenticatorClass needs to provide an authenticated Subject visible to the application, it can set a named attribute on the HttpExchange with that subject.
+
+The agent will arrange that subsequent calls occur in a Subject.doAs().
+
 The name of the attributed must be provided through `subjectAttributeName` configuration as follows:
+
 ```yaml
 httpServer:
   authentication:
-    customAuthenticator:
-       authenticatorClass: my.custom.AuthenticatorWithNoArgConstructorThatSetsASubjectAttribute
+    plugin:
+       class: my.custom.AuthenticatorWithNoArgConstructorThatSetsASubjectAttribute
        subjectAttributeName: "custom.subject.for.doAs");
 ```
 
@@ -354,7 +362,7 @@ httpServer:
 
 ## Integration Test Suite
 
-The JMX exporter uses the [AntuBLUE Test Engine](https://github.com/antublue/test-engine) and [Testcontainers](https://www.testcontainers.org/) to run integration tests with different Java versions.
+The JMX exporter uses [Verifyica](https://github.com/verifyica-team/verifyica) and [Testcontainers](https://www.testcontainers.org/) to run integration tests with different Java versions.
 
 You need to have Docker installed to run the integration test suite.
 

integration_test_suite/README.md

@@ -1,14 +1,13 @@
 Integration Test Suite
 ---
----
 
 ### Smoke test Docker images tested
 
-[Smoke test Docker images](https://github.com/prometheus/jmx_exporter/blob/main/integration_test_suite/integration_tests/src/test/resources/docker-image-names.smoke-test.txt)
+[Smoke test Docker images](https://github.com/prometheus/jmx_exporter/blob/main/integration_test_suite/integration_tests/src/test/resources/smoke-test-java-docker-images.txt)
 
 ### Docker images tested (all)
 
-[All Docker images](https://github.com/prometheus/jmx_exporter/blob/main/integration_test_suite/integration_tests/src/test/resources/docker-image-names.all.txt)
+[All Docker images](https://github.com/prometheus/jmx_exporter/blob/main/integration_test_suite/integration_tests/src/test/resources/java-docker-images.txt)
 
 ### Running the integration test suite (smoke test Docker images)
 
@@ -44,15 +43,42 @@ Pulling Docker images (not required, but you may see request timeouts/pull failu
 Smoke test Docker images
 
 ```shell
-./integration_test_suite/docker-pull-images.smoke-test.sh
+./integration_test_suite/pull-smoke-test-docker-images.sh
 ```
 
 All Docker images
 
 ```shell
-./integration_test_suite/docker-pull-images.all.sh
+./integration_test_suite/pull-docker-images.sh
 ```
 
 ## Notes
 
 - You may need to set up Docker hub login to pull images
+
+---
+
+### Docker Configuration changes
+
+When running the integration test suite, Docker may need to be configured to support network addresses.
+
+On Linux:
+
+```shell
+/etc/docker/daemon.json
+```
+
+```yaml
+{
+  "default-address-pools" : [
+    {
+      "base" : "172.16.0.0/16",
+      "size" : 24
+    },
+    {
+      "base" : "192.168.0.0/16",
+      "size" : 24
+    }
+  ]
+}
+```