Drop support for Centos8

EOL on December 31st, 2021

Removed:
* packer files, scripts used to build the base ami and from build_ami.sh script
* specific default attributes
* from conditions, helpers, comments and kitchen tests

Signed-off-by: Enrico Usai <usai@amazon.com>

Author: Enrico Usai

.kitchen.cloud.yml

@@ -151,67 +151,6 @@ platforms:
     transport:
       username: centos
       ssh_key: <%= ENV['EC2_SSH_KEY_PATH'] %>
-  - name: centos-8-minimal
-    driver_plugin: ec2
-    driver_config:
-      image_id: <%= ENV['CENTOS8_IMAGE_ID'] %>
-      block_device_mappings:
-        - device_name: /dev/sda1
-          ebs:
-            volume_size: <%= ENV['VOLUME_SIZE'] || 35 %>
-            volume_type: gp2
-            delete_on_termination: true
-        - device_name: /dev/xvdba
-          virtual_name: ephemeral0
-        - device_name: /dev/xvdbb
-          virtual_name: ephemeral1
-        - device_name: /dev/xvdbc
-          virtual_name: ephemeral2
-        - device_name: /dev/xvdbd
-          virtual_name: ephemeral3
-        - device_name: /dev/xvdbe
-          virtual_name: ephemeral4
-        - device_name: /dev/xvdbf
-          virtual_name: ephemeral5
-        - device_name: /dev/xvdbg
-          virtual_name: ephemeral6
-        - device_name: /dev/xvdbh
-          virtual_name: ephemeral7
-        - device_name: /dev/xvdbi
-          virtual_name: ephemeral8
-        - device_name: /dev/xvdbj
-          virtual_name: ephemeral9
-        - device_name: /dev/xvdbk
-          virtual_name: ephemeral10
-        - device_name: /dev/xvdbl
-          virtual_name: ephemeral11
-        - device_name: /dev/xvdbm
-          virtual_name: ephemeral12
-        - device_name: /dev/xvdbn
-          virtual_name: ephemeral13
-        - device_name: /dev/xvdbo
-          virtual_name: ephemeral14
-        - device_name: /dev/xvdbp
-          virtual_name: ephemeral15
-        - device_name: /dev/xvdbq
-          virtual_name: ephemeral16
-        - device_name: /dev/xvdbr
-          virtual_name: ephemeral17
-        - device_name: /dev/xvdbs
-          virtual_name: ephemeral18
-        - device_name: /dev/xvdbt
-          virtual_name: ephemeral19
-        - device_name: /dev/xvdbu
-          virtual_name: ephemeral20
-        - device_name: /dev/xvdbv
-          virtual_name: ephemeral21
-        - device_name: /dev/xvdbw
-          virtual_name: ephemeral22
-        - device_name: /dev/xvdbx
-          virtual_name: ephemeral23
-    transport:
-      username: centos
-      ssh_key: <%= ENV['EC2_SSH_KEY_PATH'] %>
   - name: ubuntu-18-04-lts
     driver_plugin: ec2
     driver_config:

CHANGELOG.md

@@ -7,6 +7,7 @@ This file is used to list changes made in each version of the AWS ParallelCluste
 -----
 
 **CHANGES**
+- CentOS 8 is no longer supported (EOL on December 31st, 2021).
 - Upgrade Slurm to version 20.11.8.
 - Upgrade Cinc Client to version 17.2.29.
 - Upgrade NICE DCV to version 2021.2-11190.

amis/build_ami.sh

@@ -16,7 +16,7 @@
 #
 # Usage: build_ami.sh --os <os> --region <region> --partition <partition> [--public] [--custom]
 #                     [--build-date <build-date>] [--arch <arch>]
-#   os: the os to build (supported values: all|centos7|centos8|alinux2|ubuntu1804|ubuntu2004)
+#   os: the os to build (supported values: all|centos7|alinux2|ubuntu1804|ubuntu2004)
 #   partition: partition to build in (supported values: commercial|govcloud|china|region)
 #   region: region to copy ami too (supported values: all|us-east-1|us-gov-west-1|...)
 #   custom: specifies to create the AMI from a custom AMI-id, which must be specified by variable CUSTOM_AMI_ID in the environment (optional)
@@ -114,7 +114,7 @@ parse_options() {
 check_options() {
     set -e
 
-    available_arm_os="ubuntu1804 ubuntu2004 alinux2 centos7 centos8"  # subset of supported OSes for which ARM AMIs are available
+    available_arm_os="ubuntu1804 ubuntu2004 alinux2 centos7"  # subset of supported OSes for which ARM AMIs are available
     available_os="centos7 ${available_arm_os}"
     cwd="$(dirname $0)"
     export COOKBOOK_PATH="$(cd ${cwd}/..; pwd)"
@@ -212,7 +212,7 @@ do_command() {
           RC=$?
         done
         ;;
-      centos7|centos8|ubuntu1804|ubuntu2004|alinux2)
+      centos7|ubuntu1804|ubuntu2004|alinux2)
         packer build -color=false -var-file="${cwd}/packer_variables.json" -only=${only} "${cwd}/packer_${_os}.json"
         RC=$?
         ;;