def run_tfjob_with_shutdown_policy(self, component, shutdown_policy):
api_client = k8s_client.ApiClient()
# Setup the ksonnet app
ks_util.setup_ks_app(self.app_dir, self.env, self.namespace, component,
self.params)
# Create the TF job
util.run(["ks", "apply", self.env, "-c", component], cwd=self.app_dir)
logging.info("Created job %s in namespaces %s", self.name,
self.namespace)
# Wait for the job to either be in Running state or a terminal state
logging.info("Wait for conditions Running, Succeeded, or Failed")
results = tf_job_client.wait_for_condition(
api_client,
self.namespace,
self.name, ["Running", "Succeeded", "Failed"],
version=self.tfjob_version,
status_callback=tf_job_client.log_status)
logging.info("Current TFJob:\n %s", json.dumps(results, indent=2))
if shutdown_policy == "worker":
tf_job_client.terminate_replicas(api_client, self.namespace,
self.name, "worker", 1)
else:
tf_job_client.terminate_replicas(api_client, self.namespace,
self.name, "chief", 1)
# Wait for the job to complete.
logging.info("Waiting for job to finish.")
results = tf_job_client.wait_for_job(
api_client,
self.namespace,
self.name,
self.tfjob_version,
status_callback=tf_job_client.log_status)
logging.info("Final TFJob:\n %s", json.dumps(results, indent=2))
if not tf_job_client.job_succeeded(results):
self.failure = "Job {0} in namespace {1} in status {2}".format(
self.name, self.namespace, results.get("status", {}))
logging.error(self.failure)
return
# Delete the TFJob.
tf_job_client.delete_tf_job(api_client,
self.namespace,
self.name,
version=self.tfjob_version)
logging.info("Waiting for job %s in namespaces %s to be deleted.",
self.name, self.namespace)
tf_job_client.wait_for_delete(api_client,
self.namespace,
self.name,
self.tfjob_version,
status_callback=tf_job_client.log_status)
def test_tfjob_and_verify_runconfig(self):
api_client = k8s_client.ApiClient()
masterHost = api_client.configuration.host
# Setup the ksonnet app
ks_util.setup_ks_app(self.app_dir, self.env, self.namespace, COMPONENT_NAME, self.params)
# Create the TF job
util.run(["ks", "apply", self.env, "-c", COMPONENT_NAME], cwd=self.app_dir)
logging.info("Created job %s in namespaces %s", self.name, self.namespace)
# Wait for the job to either be in Running state or a terminal state
logging.info("Wait for conditions Running, Succeeded, or Failed")
results = tf_job_client.wait_for_condition(
api_client, self.namespace, self.name, ["Running", "Succeeded", "Failed"],
status_callback=tf_job_client.log_status)
logging.info("Current TFJob:\n %s", json.dumps(results, indent=2))
num_ps = results.get("spec", {}).get("tfReplicaSpecs", {}).get(
"PS", {}).get("replicas", 0)
num_workers = results.get("spec", {}).get("tfReplicaSpecs", {}).get(
"Worker", {}).get("replicas", 0)
verify_runconfig(masterHost, self.namespace, self.name, "chief", num_ps, num_workers)
verify_runconfig(masterHost, self.namespace, self.name, "worker", num_ps, num_workers)
verify_runconfig(masterHost, self.namespace, self.name, "ps", num_ps, num_workers)
tf_job_client.terminate_replicas(api_client, self.namespace, self.name, "chief", 1)
# Wait for the job to complete.
logging.info("Waiting for job to finish.")
results = tf_job_client.wait_for_job(
api_client, self.namespace, self.name, self.tfjob_version,
status_callback=tf_job_client.log_status)
logging.info("Final TFJob:\n %s", json.dumps(results, indent=2))
if not tf_job_client.job_succeeded(results):
self.failure = "Job {0} in namespace {1} in status {2}".format(
self.name, self.namespace, results.get("status", {}))
logging.error(self.failure)
# Delete the TFJob.
tf_job_client.delete_tf_job(api_client, self.namespace, self.name, version=self.tfjob_version)
logging.info("Waiting for job %s in namespaces %s to be deleted.", self.name,
self.namespace)
tf_job_client.wait_for_delete(
api_client, self.namespace, self.name, self.tfjob_version,
status_callback=tf_job_client.log_status)
def test_pod_names(self):
api_client = k8s_client.ApiClient()
component = COMPONENT_NAME + "_" + self.tfjob_version
ks_util.setup_ks_app(self.app_dir, self.env, self.namespace, component,
self.params)
util.run(["ks", "apply", self.env, "-c", component], cwd=self.app_dir)
logging.info("Created job %s in namespaces %s", self.name,
self.namespace)
logging.info("Wait for conditions Running, Succeeded, or Failed")
results = tf_job_client.wait_for_condition(
api_client,
self.namespace,
self.name, ["Running", "Succeeded", "Failed"],
version=self.tfjob_version,
status_callback=tf_job_client.log_status)
logging.info("Current TFJob:\n %s", json.dumps(results, indent=2))
job_specs = extract_job_specs(
results.get("spec", {}).get("tfReplicaSpecs", {}))
expected_pod_names = []
for replica_type, replica_num in job_specs.items():
logging.info("job_type = %s, replica = %s", replica_type,
replica_num)
for i in range(replica_num):
expected_pod_names.append(
POD_NAME_FORMAT.format(name=self.name,
replica=replica_type,
index=i))
expected_pod_names = set(expected_pod_names)
actual_pod_names = tf_job_client.get_pod_names(api_client,
self.namespace,
self.name)
# We are not able to guarantee pods selected with default namespace and job
# name are only for this test run only. Therefore we only do partial check,
# e.g. make sure expected set of pod names are in the selected pod names.
if not (expected_pod_names & actual_pod_names) == expected_pod_names:
msg = "Actual pod names doesn't match. Expected: {0} Actual: {1}".format(
str(expected_pod_names), str(actual_pod_names))
logging.error(msg)
raise RuntimeError(msg)
tf_job_client.terminate_replicas(api_client, self.namespace, self.name,
"chief", 1)
# Wait for the job to complete.
logging.info("Waiting for job to finish.")
results = tf_job_client.wait_for_job(
api_client,
self.namespace,
self.name,
self.tfjob_version,
status_callback=tf_job_client.log_status)
logging.info("Final TFJob:\n %s", json.dumps(results, indent=2))
if not tf_job_client.job_succeeded(results):
self.failure = "Job {0} in namespace {1} in status {2}".format(
self.name, self.namespace, results.get("status", {}))
logging.error(self.failure)
# Delete the TFJob.
tf_job_client.delete_tf_job(api_client,
self.namespace,
self.name,
version=self.tfjob_version)
logging.info("Waiting for job %s in namespaces %s to be deleted.",
self.name, self.namespace)
tf_job_client.wait_for_delete(api_client,
self.namespace,
self.name,
self.tfjob_version,
status_callback=tf_job_client.log_status)