[3.10.1] Address cluster update failure when old capacity reservation has been deleted

cli/src/pcluster/config/cluster_config.py

@@ -2410,9 +2410,13 @@ def _instance_type_from_capacity_reservation(self):
             self.capacity_reservation_target.capacity_reservation_id if self.capacity_reservation_target else None
         )
         if capacity_reservation_id:
-            capacity_reservations = AWSApi.instance().ec2.describe_capacity_reservations([capacity_reservation_id])
-            if capacity_reservations:
-                instance_type = capacity_reservations[0].instance_type()
+            try:
+                capacity_reservations = AWSApi.instance().ec2.describe_capacity_reservations([capacity_reservation_id])
+                if capacity_reservations:
+                    instance_type = capacity_reservations[0].instance_type()
+            except AWSClientError:
+                # In case the CR has expired and we are unable to retrieve the instance type
+                instance_type = None
         return instance_type
 
 

tests/integration-tests/tests/capacity_reservations/test_on_demand_capacity_reservation.py

@@ -10,11 +10,13 @@
 # This file is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, express or implied.
 # See the License for the specific language governing permissions and limitations under the License.
 import logging
+import os
+import subprocess
 
 import boto3
 import pytest
 from assertpy import assert_that
-from utils import describe_cluster_instances, retrieve_cfn_resources
+from utils import describe_cluster_instances, retrieve_cfn_resources, wait_for_computefleet_changed
 
 
 @pytest.mark.usefixtures("os", "region")
@@ -40,7 +42,50 @@ def test_on_demand_capacity_reservation(
         pg_capacity_reservation_id=odcr_resources["integTestsPgOdcr"],
         pg_capacity_reservation_arn=resource_group_arn,
     )
-    cluster = clusters_factory(cluster_config)
+
+    # Apply patch to the repo
+    logging.info("Applying patch to the repository")
+    repo_root = os.path.abspath(os.path.join(os.path.dirname(__file__), "../../../.."))
+    s3_bucket_file = os.path.join(repo_root, "cli/src/pcluster/models/s3_bucket.py")
+
+    # Backup the original file
+    with open(s3_bucket_file, "r") as f:
+        original_content = f.read()
+
+    try:
+        # Apply the patch - inject the bug that replaces capacity reservation IDs
+        with open(s3_bucket_file, "r") as f:
+            content = f.read()
+
+        # Add the bug injection line after the upload_config method definition
+        modified_content = content.replace(
+            "    def upload_config(self, config, config_name, format=S3FileFormat.YAML):\n"
+            '        """Upload config file to S3 bucket."""',
+            "    def upload_config(self, config, config_name, format=S3FileFormat.YAML):\n"
+            '        """Upload config file to S3 bucket."""\n'
+            '        if config_name == "cluster-config.yaml":\n'
+            "            config = re.sub(r'cr-[0-9a-f]{17}', 'cr-11111111111111111', config)",
+        )
+
+        # Write the modified content back
+        with open(s3_bucket_file, "w") as f:
+            f.write(modified_content)
+
+        # Install the CLI
+        logging.info("Installing CLI from local repository")
+        subprocess.run(["pip", "install", "./cli"], cwd=repo_root, check=True)
+
+        # Create the cluster
+        cluster = clusters_factory(cluster_config)
+    finally:
+        # Revert the patch by restoring the original file
+        logging.info("Reverting patch from the repository")
+        with open(s3_bucket_file, "w") as f:
+            f.write(original_content)
+
+        # Reinstall the CLI
+        logging.info("Reinstalling CLI from local repository")
+        subprocess.run(["pip", "install", "./cli"], cwd=repo_root, check=True)
 
     _assert_instance_in_capacity_reservation(cluster, region, "open-odcr-id-cr", odcr_resources["integTestsOpenOdcr"])
     _assert_instance_in_capacity_reservation(cluster, region, "open-odcr-arn-cr", odcr_resources["integTestsOpenOdcr"])
@@ -64,6 +109,19 @@ def test_on_demand_capacity_reservation(
     )
     _assert_instance_in_capacity_reservation(cluster, region, "pg-odcr-id-cr", odcr_resources["integTestsPgOdcr"])
     _assert_instance_in_capacity_reservation(cluster, region, "pg-odcr-arn-cr", odcr_resources["integTestsPgOdcr"])
+    cluster.stop()
+    wait_for_computefleet_changed(cluster, "STOPPED")
+    updated_config_file = pcluster_config_reader(
+        config_file="pcluster.config.update.yaml",
+        placement_group=placement_group_stack.cfn_resources["PlacementGroup"],
+        open_capacity_reservation_id=odcr_resources["integTestsOpenOdcr"],
+        open_capacity_reservation_arn=resource_group_arn,
+        target_capacity_reservation_id=odcr_resources["integTestsTargetOdcr"],
+        target_capacity_reservation_arn=resource_group_arn,
+        pg_capacity_reservation_id=odcr_resources["integTestsPgOdcr"],
+        pg_capacity_reservation_arn=resource_group_arn,
+    )
+    cluster.update(str(updated_config_file))
 
 
 def _assert_instance_in_capacity_reservation(cluster, region, compute_resource_name, expected_reservation):

tests/integration-tests/tests/capacity_reservations/test_on_demand_capacity_reservation/test_on_demand_capacity_reservation/pcluster.config.update.yaml

@@ -0,0 +1,143 @@
+Image:
+  Os: {{ os }}
+HeadNode:
+  InstanceType: r5.xlarge
+  Networking:
+    SubnetId: {{ public_subnet_id }}
+  Ssh:
+    KeyName: {{ key_name }}
+Scheduling:
+  Scheduler: slurm
+  SlurmQueues:
+    - Name: open-odcr-q
+      ComputeResources:
+        - Name: open-odcr-id-cr
+          InstanceType: m5.2xlarge
+          MinCount: 0
+          MaxCount: 1
+          CapacityReservationTarget:
+            CapacityReservationId: {{ open_capacity_reservation_id }}
+        - Name: open-odcr-arn-cr
+          InstanceType: m5.2xlarge
+          MinCount: 0
+          MaxCount: 1
+          CapacityReservationTarget:
+            CapacityReservationResourceGroupArn: {{ open_capacity_reservation_arn }}
+        - Name: open-odcr-arn-fl-cr
+          Instances:
+          - InstanceType: m5.2xlarge
+          MinCount: 0
+          MaxCount: 1
+          CapacityReservationTarget:
+            CapacityReservationResourceGroupArn: {{ open_capacity_reservation_arn }}
+        - Name: open-odcr-id-pg-cr
+          InstanceType: m5.2xlarge
+          MinCount: 0
+          MaxCount: 1
+          Networking:
+            PlacementGroup:
+              Enabled: true
+          CapacityReservationTarget:
+            CapacityReservationId: {{ open_capacity_reservation_id }}
+        - Name: open-odcr-arn-pg-cr
+          InstanceType: m5.2xlarge
+          MinCount: 0
+          MaxCount: 1
+          Networking:
+            PlacementGroup:
+              Enabled: true
+          CapacityReservationTarget:
+            CapacityReservationResourceGroupArn: {{ open_capacity_reservation_arn }}
+        - Name: open-odcr-arn-pg-fl-cr
+          Instances:
+            - InstanceType: m5.2xlarge
+          MinCount: 0
+          MaxCount: 1
+          Networking:
+            PlacementGroup:
+              Enabled: true
+          CapacityReservationTarget:
+            CapacityReservationResourceGroupArn: {{ open_capacity_reservation_arn }}
+      Networking:
+        SubnetIds:
+          - {{ public_subnet_id }}
+    - Name: target-odcr-q
+      ComputeResources:
+        - Name: target-odcr-id-cr
+          InstanceType: r5.xlarge
+          MinCount: 0
+          MaxCount: 1
+          CapacityReservationTarget:
+            CapacityReservationId: {{ target_capacity_reservation_id }}
+        - Name: target-odcr-arn-cr
+          InstanceType: r5.xlarge
+          MinCount: 0
+          MaxCount: 1
+          CapacityReservationTarget:
+            CapacityReservationResourceGroupArn: {{ target_capacity_reservation_arn }}
+        - Name: target-odcr-arn-fl-cr
+          Instances:
+            - InstanceType: r5.xlarge
+          MinCount: 0
+          MaxCount: 1
+          CapacityReservationTarget:
+            CapacityReservationResourceGroupArn: {{ target_capacity_reservation_arn }}
+        - Name: target-odcr-id-pg-cr
+          InstanceType: r5.xlarge
+          MinCount: 0
+          MaxCount: 1
+          Networking:
+            PlacementGroup:
+              Enabled: true
+          CapacityReservationTarget:
+            CapacityReservationId: {{ target_capacity_reservation_id }}
+        - Name: target-odcr-arn-pg-cr
+          InstanceType: r5.xlarge
+          MinCount: 0
+          MaxCount: 1
+          CapacityReservationTarget:
+            CapacityReservationResourceGroupArn: {{ target_capacity_reservation_arn }}
+        - Name: target-odcr-arn-pg-fl-cr
+          Instances:
+            - InstanceType: r5.xlarge
+          MinCount: 0
+          MaxCount: 1
+          CapacityReservationTarget:
+            CapacityReservationResourceGroupArn: {{ target_capacity_reservation_arn }}
+      Networking:
+        SubnetIds:
+          - {{ public_subnet_id }}
+    - Name: pg-odcr-q
+      ComputeResources:
+        - Name: pg-odcr-id-cr
+          InstanceType: m5.xlarge
+          MinCount: 0
+          MaxCount: 1
+          Networking:
+            PlacementGroup:
+              Name: {{ placement_group }}
+          CapacityReservationTarget:
+            CapacityReservationId: {{ pg_capacity_reservation_id }}
+        - Name: pg-odcr-arn-cr
+          InstanceType: m5.xlarge
+          MinCount: 0
+          MaxCount: 1
+          Networking:
+            PlacementGroup:
+              Name: {{ placement_group }}
+          CapacityReservationTarget:
+            CapacityReservationResourceGroupArn: {{ pg_capacity_reservation_arn }}
+        - Name: pg-odcr-arn-fleet-cr
+          Instances:
+            - InstanceType: m5.xlarge
+          MinCount: 0
+          MaxCount: 1
+          Networking:
+            PlacementGroup:
+              Name: {{ placement_group }}
+          CapacityReservationTarget:
+            CapacityReservationResourceGroupArn: {{ pg_capacity_reservation_arn }}
+      Networking:
+        SubnetIds:
+          - {{ public_subnet_id }}
+

tests/integration-tests/tests/capacity_reservations/test_on_demand_capacity_reservation/test_on_demand_capacity_reservation/pcluster.config.yaml

@@ -12,7 +12,6 @@ Scheduling:
     - Name: open-odcr-q
       ComputeResources:
         - Name: open-odcr-id-cr
-          InstanceType: m5.2xlarge
           MinCount: 1
           MaxCount: 1
           CapacityReservationTarget: