CentOS 7 is no longer supported

Signed-off-by: Hanwen <[email protected]>

CHANGELOG.md

@@ -19,6 +19,7 @@ CHANGELOG
  `cfn_bootstrap_virtualenv` is not added in PATH environment variable.
 
 **CHANGES**
+- CentOS 7 is no longer supported.
 - Upgrade Cinc Client to version to 18.4.12 from 18.2.7.
 - Allow build-image to be run in an isolated network.
 

cli/src/pcluster/cli/commands/configure/easyconfig.py

@@ -154,11 +154,7 @@ def configure(args): # noqa: C901
  default_instance_type = AWSApi.instance().ec2.get_default_instance_type()
  head_node_instance_type = prompt(
  "Head node instance type",
- lambda x: x in AWSApi.instance().ec2.list_instance_types()
- and ( # pcluster doesn't support CentOS7 with ARM
- base_os != "centos7"
- or AWSApi.instance().ec2.get_instance_type_info(x).supported_architecture()[0] == "x86_64"
- ),
+ lambda x: x in AWSApi.instance().ec2.list_instance_types(),
  default_value=default_instance_type,
  )
  if scheduler == "awsbatch":

cli/src/pcluster/cli/commands/dcv_util.py

@@ -18,6 +18,6 @@ def get_supported_dcv_os(architecture):
  """Return a list of all the operating system supported by DCV."""
  architectures_dict = {
  "x86_64": [os for os in SUPPORTED_OSES if os not in UNSUPPORTED_OSES_FOR_DCV],
- "arm64": ["alinux2", "centos7", "rhel8", "rocky8", "rhel9", "rocky9"],
+ "arm64": ["alinux2", "rhel8", "rocky8", "rhel9", "rocky9"],
  }
  return architectures_dict.get(architecture, [])

cli/src/pcluster/config/cluster_config.py

@@ -1574,8 +1574,6 @@ def _register_validators(self, context: ValidatorContext = None): # noqa: D102
  ArchitectureOsValidator,
  os=self.image.os,
  architecture=self.head_node.architecture,
- custom_ami=self.image.custom_ami,
- ami_search_filters=self.dev_settings.ami_search_filters if self.dev_settings else None,
  )
  if self.head_node_ami:
  self._register_validator(

cli/src/pcluster/constants.py

@@ -23,7 +23,7 @@
 
 SUPPORTED_SCHEDULERS = ["slurm", "awsbatch"]
 SCHEDULERS_SUPPORTING_IMDS_SECURED = ["slurm"]
-SUPPORTED_OSES = ["alinux2", "alinux2023", "centos7", "ubuntu2004", "ubuntu2204", "rhel8", "rocky8", "rhel9", "rocky9"]
+SUPPORTED_OSES = ["alinux2", "alinux2023", "ubuntu2004", "ubuntu2204", "rhel8", "rocky8", "rhel9", "rocky9"]
 SUPPORTED_OSES_FOR_SCHEDULER = {"slurm": SUPPORTED_OSES, "awsbatch": ["alinux2", "alinux2023"]}
 UNSUPPORTED_OSES_FOR_MICRO_NANO = ["ubuntu2004", "ubuntu2204", "rhel8", "rocky8", "rhel9", "rocky9"]
 DELETE_POLICY = "Delete"
@@ -37,7 +37,6 @@
 AWSBATCH = "awsbatch"
 
 OS_MAPPING = {
- "centos7": {"user": "centos"},
  "alinux2": {"user": "ec2-user"},
  "alinux2023": {"user": "ec2-user"},
  "ubuntu2004": {"user": "ubuntu"},
@@ -51,7 +50,6 @@
 OS_TO_IMAGE_NAME_PART_MAP = {
  "alinux2": "amzn2-hvm",
  "alinux2023": "amzn2023-hvm",
- "centos7": "centos7-hvm",
  "ubuntu2004": "ubuntu-2004-lts-hvm",
  "ubuntu2204": "ubuntu-2204-lts-hvm",
  "rhel8": "rhel8-hvm",

cli/src/pcluster/resources/imagebuilder/parallelcluster.yaml

@@ -57,7 +57,7 @@ phases:
  [ -n "${CfnParamCincInstaller}" ] && CINC_URL="${CfnParamCincInstaller}"
  echo "${!CINC_URL}"
 
- # Check input base AMI OS and get OS information, the output should be like centos.7 | amzn.2 | ubuntu.20.04 | ubuntu.22.04 | rhel.8.7 | rocky.8.8
+ # Check input base AMI OS and get OS information, the output should be like amzn.2 | ubuntu.20.04 | ubuntu.22.04 | rhel.8.7 | rocky.8.8
  - name: OperatingSystemRelease
  action: ExecuteBash
  inputs:
@@ -86,8 +86,6 @@ phases:
  OS='alinux2'
  elif [ `echo "${!RELEASE}" | grep -w '^amzn\.2023'` ]; then
  OS='alinux2023'
- elif [ `echo "${!RELEASE}" | grep '^centos\.7'` ]; then
- OS='centos7'
  elif [ `echo "${!RELEASE}" | grep '^ubuntu\.20'` ]; then
  OS='ubuntu2004'
  elif [ `echo "${!RELEASE}" | grep '^ubuntu\.22'` ]; then
@@ -159,10 +157,10 @@ phases:
  exit {{ FailExitCode }}
  fi
 
- # This component only supports aarch64 CPUs on Amazon Linux 2, Ubuntu2004, Ubuntu2204, Centos7, RHEL8, Rocky8, RHEL9 and Rocky9
+ # This component only supports aarch64 CPUs on Amazon Linux 2, Ubuntu2004, Ubuntu2204, RHEL8, Rocky8, RHEL9 and Rocky9
  ARCH=$(uname -m)
  if [[ `echo ${!ARCH}` == 'aarch64' ]]; then
- if [ `echo "${!RELEASE}" | grep -Ev '^(amzn\.2|amzn\.2023|centos\.7|ubuntu\.20\.04|ubuntu\.22\.04|rhel\.8|rocky\.8|rhel\.9|rocky\.9)'` ]; then
+ if [ `echo "${!RELEASE}" | grep -Ev '^(amzn\.2|amzn\.2023|ubuntu\.20\.04|ubuntu\.22\.04|rhel\.8|rocky\.8|rhel\.9|rocky\.9)'` ]; then
  echo "This component does not support '${!RELEASE}' on ARM64 CPUs. Failing build."
  exit {{ FailExitCode }}
  fi
@@ -180,9 +178,6 @@ phases:
  PLATFORM='{{ build.PlatformName.outputs.stdout }}'
 
  if [[ ${!PLATFORM} == RHEL ]]; then
- if [[ ${!OS} == centos7 ]]; then
- yum -y install epel-release
- fi
  yum -y groupinstall development && sudo yum -y install curl wget jq
 
  if [[ ${!OS} =~ ^centos ]]; then

cli/src/pcluster/resources/imagebuilder/parallelcluster_tag.yaml

@@ -49,8 +49,6 @@ phases:
  OS='alinux2'
  elif [ $(echo "${RELEASE}" | grep -w '^amzn\.2023') ]; then
  OS='alinux2023'
- elif [ $(echo "${RELEASE}" | grep '^centos\.7') ]; then
- OS='centos7'
  elif [ $(echo "${RELEASE}" | grep '^ubuntu\.20') ]; then
  OS='ubuntu2004'
  elif [ $(echo "${RELEASE}" | grep '^ubuntu\.22') ]; then
@@ -78,7 +76,7 @@ phases:
  which aws
  if [[ $? -ne 0 ]]; then
  echo "Installing unzip"
- if [[ "{{ test.OperatingSystemName.outputs.stdout }}" =~ ^(centos7|alinux|rhel|rocky) ]]; then
+ if [[ "{{ test.OperatingSystemName.outputs.stdout }}" =~ ^(alinux|rhel|rocky) ]]; then
  yum -y install unzip
  elif [[ "{{ test.OperatingSystemName.outputs.stdout }}" =~ ^ubuntu ]]; then
  apt-get -y install unzip

cli/src/pcluster/resources/imagebuilder/parallelcluster_test.yaml

@@ -38,8 +38,6 @@ phases:
  OS='alinux2'
  elif [ `echo "${RELEASE}" | grep -w '^amzn\.2023'` ]; then
  OS='alinux2023'
- elif [ `echo "${RELEASE}" | grep '^centos\.7'` ]; then
- OS='centos7'
  elif [ `echo "${RELEASE}" | grep '^ubuntu\.20'` ]; then
  OS='ubuntu2004'
  elif [ `echo "${RELEASE}" | grep '^ubuntu\.22'` ]; then

cli/src/pcluster/resources/imagebuilder/parallelcluster_validate.yaml

@@ -38,8 +38,6 @@ phases:
  OS='alinux2'
  elif [ `echo "${RELEASE}" | grep -w '^amzn\.2023'` ]; then
  OS='alinux2023'
- elif [ `echo "${RELEASE}" | grep '^centos\.7'` ]; then
- OS='centos7'
  elif [ `echo "${RELEASE}" | grep '^ubuntu\.20'` ]; then
  OS='ubuntu2004'
  elif [ `echo "${RELEASE}" | grep '^ubuntu\.22'` ]; then
@@ -328,12 +326,6 @@ phases:
  set -vx
  OS='{{ validate.OperatingSystemName.outputs.stdout }}'
 
- if [ {{ validate.LustreSupported.outputs.stdout }} == true ]; then
- echo "Checking for Lustre client..."
- if [ ${OS} == centos7 ]; then
- rpm -qa | grep lustre-client
- fi
- fi
  [[ $? -ne 0 ]] && echo "Check for Lustre client failed" && exit 1
  echo "FSx Lustre test passed"
 

cli/src/pcluster/resources/imagebuilder/update_and_reboot.yaml

@@ -10,7 +10,7 @@ constants:
 phases:
  - name: build
  steps:
- # Check input base AMI OS and get OS information, the output should be like centos.7 | amzn.2 | ubuntu.20.04 | ubuntu.22.04 | rhel.8.7 | rocky.8.8
+ # Check input base AMI OS and get OS information, the output should be like amzn.2 | ubuntu.20.04 | ubuntu.22.04 | rhel.8.7 | rocky.8.8
  - name: OperatingSystemRelease
  action: ExecuteBash
  inputs:
@@ -39,8 +39,6 @@ phases:
  OS='alinux2'
  elif [ `echo "${!RELEASE}" | grep -w '^amzn\.2023'` ]; then
  OS='alinux2023'
- elif [ `echo "${!RELEASE}" | grep '^centos\.7'` ]; then
- OS='centos7'
  elif [ `echo "${!RELEASE}" | grep '^ubuntu\.20'` ]; then
  OS='ubuntu2004'
  elif [ `echo "${!RELEASE}" | grep '^ubuntu\.22'` ]; then
@@ -90,10 +88,10 @@ phases:
  exit {{ FailExitCode }}
  fi
 
- # This component only supports aarch64 CPUs on Amazon Linux 2, Ubuntu2004, Ubuntu2204, Centos7, RHEL8, Rocky8, RHEL9 and Rocky9
+ # This component only supports aarch64 CPUs on Amazon Linux 2, Ubuntu2004, Ubuntu2204, RHEL8, Rocky8, RHEL9 and Rocky9
  ARCH=$(uname -m)
  if [[ `echo ${!ARCH}` == 'aarch64' ]]; then
- if [ `echo "${!RELEASE}" | grep -Ev '^(amzn\.2|centos\.7|ubuntu\.20\.04|ubuntu\.22\.04|rhel\.8|rocky\.8|rhel\.9|rocky\.9)'` ]; then
+ if [ `echo "${!RELEASE}" | grep -Ev '^(amzn\.2|ubuntu\.20\.04|ubuntu\.22\.04|rhel\.8|rocky\.8|rhel\.9|rocky\.9)'` ]; then
  echo "This component does not support '${!RELEASE}' on ARM64 CPUs. Failing build."
  exit {{ FailExitCode }}
  fi
@@ -155,9 +153,6 @@ phases:
  PLATFORM='{{ build.PlatformName.outputs.stdout }}'
 
  if [[ ${!PLATFORM} == RHEL ]]; then
- if [[ ${!OS} == centos7 ]]; then
- yum -y install epel-release
- fi
  yum -y install jq
  elif [[ ${!PLATFORM} == DEBIAN ]]; then
  apt-get -y install jq
@@ -205,7 +200,7 @@ phases:
  # listing all the packages because wildcard does not work as expected
  yum versionlock kernel kernel-core kernel-modules
 
- if [[ ${!OS} == "centos7" ]] || [[ ${!OS} == "alinux2" ]] || [[ ${!OS} == "alinux2023" ]] ; then
+ if [[ ${!OS} == "alinux2" ]] || [[ ${!OS} == "alinux2023" ]] ; then
  yum versionlock kernel-abi-whitelists
  else
  yum versionlock kernel-abi-stablelists
@@ -300,7 +295,7 @@ phases:
  if [[ ${!DISABLE_KERNEL_UPDATE} == true ]] && [[ ${!PLATFORM} == RHEL ]]; then
  yum versionlock delete kernel kernel-core kernel-modules
 
- if [[ ${!OS} == "centos7" ]] || [[ ${!OS} == "alinux2" ]] || [[ ${!OS} == "alinux2023" ]] ; then
+ if [[ ${!OS} == "alinux2" ]] || [[ ${!OS} == "alinux2023" ]] ; then
  yum versionlock delete kernel-abi-whitelists
  else
  yum versionlock delete kernel-abi-stablelists

cli/src/pcluster/templates/cw_dashboard_builder.py

@@ -734,9 +734,7 @@ def _add_cw_log(self):
  self._new_cw_log_widget(
  title="system-messages",
  conditions=[
- Condition(
- ["alinux2", "alinux2023", "centos7", "rhel8", "rocky8", "rhel9", "rocky9"], base_os
- )
+ Condition(["alinux2", "alinux2023", "rhel8", "rocky8", "rhel9", "rocky9"], base_os)
  ],
  filters=[self._new_filter(pattern=f"{head_private_ip}.*system-messages")],
  ),

cli/src/pcluster/validators/cluster_validators.py

@@ -53,7 +53,7 @@
 SHARED_STORAGE_NAME_MAX_LENGTH = 30
 NAME_REGEX = r"^[a-z][a-z0-9\-]*$"
 
-EFA_UNSUPPORTED_ARCHITECTURES_OSES = {"x86_64": [], "arm64": ["centos7"]}
+EFA_UNSUPPORTED_ARCHITECTURES_OSES = {"x86_64": [], "arm64": []}
 
 EFS_MESSAGES = {
  "errors": {
@@ -278,21 +278,14 @@ class ArchitectureOsValidator(Validator):
  ARM AMIs are only available for a subset of the supported OSes.
  """
 
- def _validate(self, os: str, architecture: str, custom_ami: str, ami_search_filters):
+ def _validate(self, os: str, architecture: str):
  allowed_oses = get_supported_os_for_architecture(architecture)
  if os not in allowed_oses:
  self._add_failure(
  f"The architecture {architecture} is only supported "
  f"for the following operating systems: {allowed_oses}.",
  FailureLevel.ERROR,
  )
- if custom_ami is None and os == "centos7" and architecture == "arm64" and not ami_search_filters:
- self._add_failure(
- "The aarch64 CentOS 7 OS is not validated for the 6th generation aarch64 instances "
- "(M6g, C6g, etc.). To proceed please provide a custom AMI, "
- "for more info see: https://wiki.centos.org/Cloud/AWS#aarch64_notes",
- FailureLevel.ERROR,
- )
 
 
 class InstanceArchitectureCompatibilityValidator(Validator):

cli/tests/pcluster/aws/test_ec2.py

@@ -117,7 +117,6 @@ def test_get_supported_architectures(mocker, instance_type, supported_architectu
  "os_part, expected_os",
  [
  ("amzn2-hvm", "alinux2"),
- ("centos7-hvm", "centos7"),
  ("ubuntu-2004-lts-hvm", "ubuntu2004"),
  ("ubuntu-2204-lts-hvm", "ubuntu2204"),
  ("nonexistant-hvm", "linux"),

cli/tests/pcluster/cli/configure/test_pcluster_configure.py

@@ -537,7 +537,7 @@ def test_subnet_automation_no_awsbatch_no_errors_empty_vpc(mocker, capsys, test_
  mock_handler.add_subnet_automation(public_subnet_id="subnet-12345678", private_subnet_id="subnet-23456789")
 
  input_composer = ComposeInput(aws_region_name="eu-west-1", key="key1", scheduler="slurm")
- input_composer.add_first_flow(op_sys="centos7", head_node_instance="t2.nano")
+ input_composer.add_first_flow(op_sys="alinux2", head_node_instance="t2.nano")
  input_composer.add_compute_instance("t2.micro", "14")
  input_composer.add_sub_automation(
  vpc_id="vpc-23456789", network_configuration=PUBLIC_PRIVATE_CONFIGURATION, vpc_has_subnets=False
@@ -554,7 +554,7 @@ def test_subnet_automation_no_awsbatch_no_errors(mocker, capsys, test_datadir, t
  mock_handler.add_subnet_automation(public_subnet_id="subnet-12345678", private_subnet_id="subnet-23456789")
 
  input_composer = ComposeInput(aws_region_name="eu-west-1", key="key1", scheduler="slurm")
- input_composer.add_first_flow(op_sys="centos7", head_node_instance="t2.nano")
+ input_composer.add_first_flow(op_sys="alinux2", head_node_instance="t2.nano")
  input_composer.add_compute_instance("t2.micro", "14")
  input_composer.add_sub_automation(
  vpc_id="vpc-12345678", network_configuration=PUBLIC_PRIVATE_CONFIGURATION, vpc_has_subnets=True
@@ -571,7 +571,7 @@ def test_vpc_automation_no_awsbatch_no_errors(mocker, capsys, test_datadir, temp
  mock_handler.add_subnet_automation(public_subnet_id="subnet-12345678", private_subnet_id="subnet-23456789")
 
  input_composer = ComposeInput(aws_region_name="eu-west-1", key="key1", scheduler="slurm")
- input_composer.add_first_flow(op_sys="centos7", head_node_instance="t2.nano")
+ input_composer.add_first_flow(op_sys="alinux2", head_node_instance="t2.nano")
  input_composer.add_compute_instance("t2.micro", "14")
  input_composer.add_vpc_sub_automation(network_configuration=PUBLIC_PRIVATE_CONFIGURATION)
  input_composer.mock_input(mocker)
@@ -636,7 +636,7 @@ def test_vpc_automation_no_vpc_in_region(mocker, capsys, test_datadir, temp_path
  mock_handler.add_subnet_automation(public_subnet_id="subnet-12345678", private_subnet_id="subnet-23456789")
 
  input_composer = ComposeInput(aws_region_name="eu-west-1", key="key1", scheduler="slurm")
- input_composer.add_first_flow(op_sys="centos7", head_node_instance="t2.nano")
+ input_composer.add_first_flow(op_sys="alinux2", head_node_instance="t2.nano")
  input_composer.add_compute_instance("t2.micro", "14")
  input_composer.add_vpc_sub_automation_empty_region(network_configuration=PUBLIC_PRIVATE_CONFIGURATION)
  input_composer.mock_input(mocker)
@@ -652,7 +652,7 @@ def test_vpc_automation_no_vpc_in_region_public(mocker, capsys, test_datadir, te
  mock_handler.add_subnet_automation(public_subnet_id="subnet-12345678")
 
  input_composer = ComposeInput(aws_region_name="eu-west-1", key="key1", scheduler="slurm")
- input_composer.add_first_flow(op_sys="centos7", head_node_instance="t2.nano")
+ input_composer.add_first_flow(op_sys="alinux2", head_node_instance="t2.nano")
  input_composer.add_compute_instance("t2.micro", "14")
  input_composer.add_vpc_sub_automation_empty_region(network_configuration="2")
  input_composer.mock_input(mocker)
@@ -681,7 +681,7 @@ def general_wrapper_for_prompt_testing(
  temp_path_for_config,
  region="eu-west-1",
  scheduler="slurm",
- op_sys="centos7",
+ op_sys="alinux2",
  max_size="10",
  head_node_instance="t2.nano",
  compute_instance="t2.micro",
@@ -764,7 +764,7 @@ def test_vpc_automation_with_no_single_qualified_az(mocker, temp_path_for_config
  mock_handler.add_subnet_automation(public_subnet_id="subnet-12345678", private_subnet_id="subnet-23456789")
 
  input_composer = ComposeInput(aws_region_name="eu-west-1", key="key1", scheduler="slurm")
- input_composer.add_first_flow(op_sys="centos7", head_node_instance="t2.nano")
+ input_composer.add_first_flow(op_sys="alinux2", head_node_instance="t2.nano")
  input_composer.add_compute_instance("t2.micro", "14")
  input_composer.add_vpc_sub_automation(network_configuration=PUBLIC_PRIVATE_CONFIGURATION)
  input_composer.mock_input(mocker)

cli/tests/pcluster/cli/configure/test_pcluster_configure/test_disabled_efa_no_placement_group/output.txt

@@ -32,13 +32,12 @@ Allowed values for Scheduler:
 Allowed values for Operating System:
 1. alinux2
 2. alinux2023
-3. centos7
-4. ubuntu2004
-5. ubuntu2204
-6. rhel8
-7. rocky8
-8. rhel9
-9. rocky9
+3. ubuntu2004
+4. ubuntu2204
+5. rhel8
+6. rocky8
+7. rhel9
+8. rocky9
 The EC2 instance selected supports enhanced networking capabilities using Elastic Fabric Adapter (EFA). EFA enables you to run applications requiring high levels of inter-node communications at scale on AWS at no additional charge (https://docs.aws.amazon.com/parallelcluster/latest/ug/efa-v3.html).
 Allowed values for VPC ID:
  # id name number_of_subnets

cli/tests/pcluster/cli/configure/test_pcluster_configure/test_efa_not_supported/output.txt

@@ -32,13 +32,12 @@ Allowed values for Scheduler:
 Allowed values for Operating System:
 1. alinux2
 2. alinux2023
-3. centos7
-4. ubuntu2004
-5. ubuntu2204
-6. rhel8
-7. rocky8
-8. rhel9
-9. rocky9
+3. ubuntu2004
+4. ubuntu2204
+5. rhel8
+6. rocky8
+7. rhel9
+8. rocky9
 Allowed values for VPC ID:
  # id name number_of_subnets
 --- ------------ --------------------------------- -------------------

cli/tests/pcluster/cli/configure/test_pcluster_configure/test_enabled_efa_default_placement_group/output.txt

@@ -32,13 +32,12 @@ Allowed values for Scheduler:
 Allowed values for Operating System:
 1. alinux2
 2. alinux2023
-3. centos7
-4. ubuntu2004
-5. ubuntu2204
-6. rhel8
-7. rocky8
-8. rhel9
-9. rocky9
+3. ubuntu2004
+4. ubuntu2204
+5. rhel8
+6. rocky8
+7. rhel9
+8. rocky9
 The EC2 instance selected supports enhanced networking capabilities using Elastic Fabric Adapter (EFA). EFA enables you to run applications requiring high levels of inter-node communications at scale on AWS at no additional charge (https://docs.aws.amazon.com/parallelcluster/latest/ug/efa-v3.html).
 Enabling EFA requires compute instances to be placed within a Placement Group. Please specify an existing Placement Group name or leave it blank for ParallelCluster to create one.
 Allowed values for VPC ID: