ansible: install devtoolset-8 on centos7

Refs: #2242
PR-URL: #2262

Author: sam-github

ansible/roles/baselayout/tasks/partials/repo/centos7.yml

@@ -12,20 +12,12 @@
     state: present
 
 
-- name: centos7 | install scl for devtoolset-6
-  when: "arch != 'arm64' and arch != 'ppc64'"
+- name: centos7 | install scl for devtoolset-6, devtoolset-8
+  when: "arch != 'arm64'"
   yum:
     name: centos-release-scl
     state: present
 
-- name: centos7 | ppc64 | install sclo7 devtoolset-6
-  when: "arch == 'ppc64'"
-  yum_repository:
-    name: sclo7-devtoolset-6
-    description: cbs.centos.org sclo7-devtoolset-6-rh-release
-    baseurl: https://cbs.centos.org/repos/sclo7-devtoolset-6-rh-release/$basearch/os/
-    gpgcheck: no
-
 - name: centos7 | aarch64 | install sclo repo
   when: "arch == 'arm64'"
   copy:
@@ -40,7 +32,8 @@
     dest: "/etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-SIG-SCLo"
     mode: 0644
 
-- stat: path=/usr/local/bin/python3.7
+- stat:
+    path: /usr/local/bin/python3.7
   register: build_python37
 
 - name: centos7 | ppc64 | download python 3.7

ansible/roles/baselayout/vars/main.yml

@@ -43,7 +43,7 @@ packages: {
   centos7_x64: ['git2u','centos-release-scl',], # centos-release-scl is required to enable SCLo
                                                # but we do it manually in partials/repo/centos7.yml for arm64
   centos7: [
-    'bzip2-devel,openssl-devel,ccache,gcc-c++,devtoolset-6,sudo,git,devtoolset-6-libatomic-devel,zlib-devel,libffi-devel',
+    'bzip2-devel,openssl-devel,ccache,gcc-c++,devtoolset-6,sudo,git,devtoolset-6-libatomic-devel,zlib-devel,libffi-devel,devtoolset-8,devtoolset-8-libatomic-devel',
   ],
 
   aix: [