Add Ray Cluster Upgrade test for Ray Job Long Running scenarios

Author: Srihari1192

tests/e2e/mnist_sleep.py

@@ -0,0 +1,67 @@
+# Copyright 2022 IBM, Red Hat
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import time
+import torch
+import torch.nn as nn
+from torch.utils.data import DataLoader
+from torchvision import datasets, transforms
+
+# Define a simple neural network
+class NeuralNetwork(nn.Module):
+    def __init__(self):
+        super(NeuralNetwork, self).__init__()
+        self.flatten = nn.Flatten()
+        self.linear_relu_stack = nn.Sequential(
+            nn.Linear(28*28, 512),
+            nn.ReLU(),
+            nn.Linear(512, 512),
+            nn.ReLU(),
+            nn.Linear(512, 10),
+        )
+
+    def forward(self, x):
+        x = self.flatten(x)
+        logits = self.linear_relu_stack(x)
+        return logits
+
+# Define the training function
+def train():
+    # Sleeping for 24 hours for upgrade test scenario
+    print("Sleeping for 24 hours before starting the training for upgrade testing...")
+    time.sleep(24 * 60 * 60) 
+
+    # Load dataset
+    transform = transforms.Compose([transforms.ToTensor()])
+    train_dataset = datasets.FashionMNIST(root='./data', train=True, download=True, transform=transform)
+    train_loader = DataLoader(train_dataset, batch_size=64, shuffle=True)
+
+    # Initialize the neural network, loss function, and optimizer
+    model = NeuralNetwork()
+    criterion = nn.CrossEntropyLoss()
+    optimizer = torch.optim.SGD(model.parameters(), lr=0.01)
+
+    # Train the model
+    num_epochs = 3
+    for epoch in range(num_epochs):
+        for inputs, labels in train_loader:
+            optimizer.zero_grad()
+            outputs = model(inputs)
+            loss = criterion(outputs, labels)
+            loss.backward()
+            optimizer.step()
+        print(f"Epoch [{epoch+1}/{num_epochs}], Loss: {loss.item():.4f}")
+
+if __name__ == "__main__":
+    train()

tests/upgrade/raycluster_sdk_upgrade_sleep_test.py

@@ -0,0 +1,178 @@
+import requests
+from time import sleep
+
+from codeflare_sdk import (
+    Cluster,
+    ClusterConfiguration,
+    TokenAuthentication,
+    get_cluster,
+)
+from codeflare_sdk.job import RayJobClient
+
+from tests.e2e.support import *
+
+
+from codeflare_sdk.utils.kube_api_helpers import _kube_api_error_handling
+
+namespace = "test-ns-rayupgrade-sleep"
+# Global variables for kueue resources
+cluster_queue = "cluster-queue-mnist"
+flavor = "default-flavor-mnist"
+local_queue = "local-queue-mnist"
+
+
+# Creates a Ray cluster , submit RayJob mnist script long running
+class TestSetupSleepRayJob:
+    def setup_method(self):
+        initialize_kubernetes_client(self)
+        create_namespace_with_name(self, namespace)
+        try:
+            create_cluster_queue(self, cluster_queue, flavor)
+            create_resource_flavor(self, flavor)
+            create_local_queue(self, cluster_queue, local_queue)
+        except Exception as e:
+            delete_namespace(self)
+            delete_kueue_resources(self)
+            return _kube_api_error_handling(e)
+
+    def test_mnist_ray_cluster_sdk_auth(self):
+        self.run_mnist_raycluster_sdk_oauth()
+
+    def run_mnist_raycluster_sdk_oauth(self):
+        ray_image = get_ray_image()
+
+        auth = TokenAuthentication(
+            token=run_oc_command(["whoami", "--show-token=true"]),
+            server=run_oc_command(["whoami", "--show-server=true"]),
+            skip_tls=True,
+        )
+        auth.login()
+
+        cluster = Cluster(
+            ClusterConfiguration(
+                name="mnist",
+                namespace=self.namespace,
+                num_workers=1,
+                head_cpus=1,
+                head_memory=4,
+                worker_cpu_requests=1,
+                worker_cpu_limits=1,
+                worker_memory_requests=4,
+                worker_memory_limits=4,
+                image=ray_image,
+                write_to_file=True,
+                verify_tls=False,
+            )
+        )
+
+        try:
+            cluster.up()
+            cluster.status()
+            # wait for raycluster to be Ready
+            cluster.wait_ready()
+            cluster.status()
+            # Check cluster details
+            cluster.details()
+            # Assert the cluster status is READY
+            _, ready = cluster.status()
+            assert ready
+            submission_id = self.assert_jobsubmit()
+            print(f"Job submitted successfully, job submission id: ", submission_id)
+
+        except Exception as e:
+            print(f"An unexpected error occurred. Error: ", e)
+            delete_namespace(self)
+            delete_kueue_resources(self)
+            assert False, "Cluster is not ready!"
+
+    def assert_jobsubmit(self):
+        auth_token = run_oc_command(["whoami", "--show-token=true"])
+        cluster = get_cluster("mnist", namespace)
+        cluster.details()
+        ray_dashboard = cluster.cluster_dashboard_uri()
+        header = {"Authorization": f"Bearer {auth_token}"}
+        client = RayJobClient(address=ray_dashboard, headers=header, verify=False)
+
+        # Submit the job
+        submission_id = client.submit_job(
+            entrypoint="python mnist_sleep.py",
+            runtime_env={
+                "working_dir": "./tests/e2e/",
+                "pip": {
+                    "packages": ["torchvision==0.12.0"],
+                    "pip_check": False
+                },
+                "env_vars": get_setup_env_variables(),
+            },
+        )
+        print(f"Submitted job with ID: {submission_id}")
+        done = False
+        time = 0
+        timeout = 180
+        while not done:
+            status = client.get_job_status(submission_id)
+            if status.is_terminal():
+                break
+            if status == "RUNNING":
+                print(f"Job is Running: '{status}'")
+                assert True
+                break
+            if not done:
+                print(status)
+                if timeout and time >= timeout:
+                    raise TimeoutError(f"job has timed out after waiting {timeout}s")
+                sleep(5)
+                time += 5
+
+        logs = client.get_job_logs(submission_id)
+        print(logs)
+        return submission_id
+
+
+class TestVerifySleepRayJobRunning:
+    def setup_method(self):
+        initialize_kubernetes_client(self)
+        auth = TokenAuthentication(
+            token=run_oc_command(["whoami", "--show-token=true"]),
+            server=run_oc_command(["whoami", "--show-server=true"]),
+            skip_tls=True,
+        )
+        auth.login()
+        self.namespace = namespace
+        self.cluster = get_cluster("mnist", self.namespace)
+        self.cluster_queue = cluster_queue
+        self.resource_flavor = flavor
+        if not self.cluster:
+            raise RuntimeError("TestSetupSleepRayJob needs to be run before this test")
+
+    def teardown_method(self):
+        delete_namespace(self)
+        delete_kueue_resources(self)
+
+    def test_mnist_job_running(self):
+        client = self.get_ray_job_client(self.cluster)
+        self.assertJobExists(client, 1)
+        self.assertJobRunning(client)
+        self.cluster.down()
+
+    def get_ray_job_client(self, cluster):
+        auth_token = run_oc_command(["whoami", "--show-token=true"])
+        ray_dashboard = cluster.cluster_dashboard_uri()
+        header = {"Authorization": f"Bearer {auth_token}"}
+        return RayJobClient(address=ray_dashboard, headers=header, verify=False)
+
+    # Assertions
+    def assertJobExists(self, client, expectedJobsSize):
+        job_list = client.list_jobs()
+        assert len(job_list) == expectedJobsSize
+
+    def assertJobRunning(self, client):
+        job_list = client.list_jobs()
+        submission_id = job_list[0].submission_id
+        status = client.get_job_status(submission_id)
+        if status == "RUNNING":
+            print(f"Job is Running: '{status}'")
+            assert True
+        else:
+            print(f"Job is not in Running state: '{status}'")
+            assert False