Change password based on version in integtest health check

Signed-off-by: Derek Ho <dxho@amazon.com>

src/test_workflow/integ_test/service_opensearch.py

@@ -40,6 +40,7 @@ def __init__(
         self.dist = Distributions.get_distribution("opensearch", distribution, version, work_dir)
         self.dependency_installer = dependency_installer
         self.install_dir = self.dist.install_dir
+        self.password = 'myStrongPassword123!' if float('.'.join("3.0.0".split('.')[:2])) >= 2.12 else 'admin'
 
     def start(self) -> None:
         self.dist.install(self.download())
@@ -65,7 +66,7 @@ def url(self, path: str = "") -> str:
     def get_service_response(self) -> Response:
         url = self.url("/_cluster/health")
         logging.info(f"Pinging {url}")
-        return requests.get(url, verify=False, auth=("admin", "admin"))
+        return requests.get(url, verify=False, auth=("admin", self.password))
 
     def __add_plugin_specific_config(self, additional_config: dict) -> None:
         with open(self.opensearch_yml_path, "a") as yamlfile: