Wait for service to be assigned an IP addr.

It's insufficient to simply wait for the deployment to be available - we also
need to wait for the service *and* to wait for the service to be assigned an
external IP address.

PiperOrigin-RevId: 721482040

Author: p3rf Team

perfkitbenchmarker/container_service.py

@@ -946,11 +946,12 @@ def WaitForResource(
       namespace: str | None = None,
       timeout: int = vm_util.DEFAULT_TIMEOUT,
       wait_for_all: bool = False,
+      condition_type='condition=',
   ):
     """Waits for a condition on a Kubernetes resource (eg: deployment, pod)."""
     run_cmd = [
         'wait',
-        f'--for=condition={condition_name}',
+        f'--for={condition_type}{condition_name}',
         f'--timeout={timeout}s',
         resource_name,
     ]

perfkitbenchmarker/linux_benchmarks/kubernetes_hpa_benchmark.py

@@ -95,6 +95,12 @@ def _PrepareCluster(benchmark_spec: bm_spec.BenchmarkSpec):
   )
 
   cluster.WaitForResource('deploy/fib', 'available', namespace='fib')
+  cluster.WaitForResource(
+      'service/fib',
+      '{.status.loadBalancer.ingress[0].ip}',
+      namespace='fib',
+      condition_type='jsonpath=',
+  )
 
 
 def _PrepareLocust(benchmark_spec: bm_spec.BenchmarkSpec):