Add logic to pattch al2023 amis in ADC

Author: hgreebe

cookbooks/aws-parallelcluster-environment/templates/isolated/patch-iso-instance.sh.erb

@@ -19,15 +19,35 @@ REGION="$(get_instance_region)"
 
 source /etc/os-release
 OS="${ID}${VERSION_ID}"
-[[ "${OS}" != "amzn2" ]] && echo "[ERROR] Unsupported OS '${OS}'. Configuration supported only on Amazon Linux 2." && exit 1
+
+if [[ "${OS}" != "amzn2" && "${OS}" != "amzn2023" ]]; then
+  echo "[ERROR] Unsupported OS '${OS}'. Configuration supported only on Amazon Linux 2 and Amazon Linux 2023."
+  exit 1
+fi
 
 echo "[INFO] Starting: instance configuration for US isolated region"
 
 echo "[INFO] Starting: installation of packages from amazon Linux 2 repository for US isolated region"
 
-REPOSITORY_DEFINITION_FILE="/etc/yum.repos.d/tmp-amzn2-iso.repo"
+REPOSITORY_DEFINITION_FILE="/etc/yum.repos.d/tmp-${OS}-iso.repo"
+
+if [[ "${OS}" == "amzn2023" ]]; then
+  cat > ${REPOSITORY_DEFINITION_FILE} <<REPO_DEFINITION
+[amzn2023-iso]
+name=Amazon Linux 2023 isolated Region repository
+mirrorlist=http://al2023-repos-$awsregion-de612dc2.s3.$awsregion.$awsdomain/core-iso/mirrors/$releasever/$basearch/mirror.list
+priority=10
+enabled=1
+repo_gpgcheck=0
+type=rpm
+gpgcheck=0
+gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-amazon-linux-2023
+REPO_DEFINITION
 
-cat > ${REPOSITORY_DEFINITION_FILE} <<REPO_DEFINITION
+  dnf install -y amazon-linux-repo-iso ca-certificates-iso
+  echo -n "" > sudo tee /etc/dnf/vars/dualstack
+else
+  cat > ${REPOSITORY_DEFINITION_FILE} <<REPO_DEFINITION
 [amzn2-iso]
 name=Amazon Linux 2 isolated region repository
 mirrorlist=http://amazonlinux.\$awsregion.\$awsdomain/\$releasever/core-\$awsregion/latest/\$basearch/mirror.list
@@ -39,7 +59,9 @@ mirrorlist_expire=300
 report_instanceid=yes
 REPO_DEFINITION
 
-yum --disablerepo="*" --enablerepo="amzn2-iso" install -y "*-${REGION}"
+  yum --disablerepo="*" --enablerepo="${OS}-iso" install -y "*-${REGION}"
+fi
+
 rm -f ${REPOSITORY_DEFINITION_FILE}
 
 echo "[INFO] Complete: installation of packages from amazon Linux 2 repository for US isolated region"