Deprecate support for Ubuntu 20.04

Author: Himani Anil Deshpande

.github/workflows/dokken-system-tests.yml

@@ -31,7 +31,6 @@ jobs:
         os:
           - alinux2
           - alinux-2023
-          - ubuntu2004
           - ubuntu2204
           - ubuntu2404
           - rhel8

CHANGELOG.md

@@ -9,6 +9,9 @@ This file is used to list changes made in each version of the AWS ParallelCluste
 **ENHANCEMENTS**
 - Remove UnkillableStepTimeout from slurm.conf and let slurm set this value.
 
+**CHANGES**
+- Ubuntu 20.04 is no longer supported.
+
 3.13.0
 ------
 **ENHANCEMENTS**

cookbooks/aws-parallelcluster-environment/resources/cloudwatch/cloudwatch_ubuntu20+.rb renamed to cookbooks/aws-parallelcluster-environment/resources/cloudwatch/cloudwatch_ubuntu22+.rb

@@ -13,7 +13,7 @@
 # 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
 provides :cloudwatch, platform: 'ubuntu' do |node|
-  node['platform_version'].to_i >= 20
+  node['platform_version'].to_i >= 22
 end
 
 use 'partial/_cloudwatch_common'

cookbooks/aws-parallelcluster-environment/resources/ec2_udev_rules/ec2_udev_rules_ubuntu20+.rb renamed to cookbooks/aws-parallelcluster-environment/resources/ec2_udev_rules/ec2_udev_rules_ubuntu22+.rb

@@ -13,7 +13,7 @@
 # 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
 provides :ec2_udev_rules, platform: 'ubuntu' do |node|
-  node['platform_version'].to_i >= 20
+  node['platform_version'].to_i >= 22
 end
 
 unified_mode true

cookbooks/aws-parallelcluster-environment/resources/efa/efa_ubuntu20+.rb renamed to cookbooks/aws-parallelcluster-environment/resources/efa/efa_ubuntu22+.rb

@@ -13,7 +13,7 @@
 # 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
 provides :efa, platform: 'ubuntu' do |node|
-  node['platform_version'].to_i >= 20
+  node['platform_version'].to_i >= 22
 end
 
 unified_mode true

cookbooks/aws-parallelcluster-environment/resources/efs/efs_ubuntu20+.rb renamed to cookbooks/aws-parallelcluster-environment/resources/efs/efs_ubuntu22+.rb

@@ -14,7 +14,7 @@
 # See the License for the specific language governing permissions and limitations under the License.
 
 provides :efs, platform: 'ubuntu' do |node|
-  node['platform_version'].to_i >= 20
+  node['platform_version'].to_i >= 22
 end
 
 use 'partial/_get_package_version_dpkg'

cookbooks/aws-parallelcluster-environment/resources/ephemeral_drives/ephemeral_drives_ubuntu20+.rb renamed to cookbooks/aws-parallelcluster-environment/resources/ephemeral_drives/ephemeral_drives_ubuntu22+.rb

@@ -13,7 +13,7 @@
 # See the License for the specific language governing permissions and limitations under the License.
 
 provides :ephemeral_drives, platform: 'ubuntu' do |node|
-  node['platform_version'].to_i >= 20
+  node['platform_version'].to_i >= 22
 end
 
 use 'partial/_ephemeral_drives_common.rb'

cookbooks/aws-parallelcluster-environment/resources/lustre/lustre_ubuntu20+.rb renamed to cookbooks/aws-parallelcluster-environment/resources/lustre/lustre_ubuntu22+.rb

@@ -14,7 +14,7 @@
 # See the License for the specific language governing permissions and limitations under the License.
 
 provides :lustre, platform: 'ubuntu' do |node|
-  node['platform_version'].to_i >= 20
+  node['platform_version'].to_i >= 22
 end
 
 unified_mode true

cookbooks/aws-parallelcluster-environment/resources/network_service/network_service_ubuntu20+.rb renamed to cookbooks/aws-parallelcluster-environment/resources/network_service/network_service_ubuntu22+.rb

@@ -13,7 +13,7 @@
 # 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
 provides :network_service, platform: 'ubuntu' do |node|
-  node['platform_version'].to_i >= 20
+  node['platform_version'].to_i >= 22
 end
 
 unified_mode true