added centos 7 vault repos (eol)

centos7-vault-repos.yml

@@ -0,0 +1,6 @@
+---
+- hosts: all
+  gather_facts: no
+  become: true
+  tasks:
+    - import_tasks: tasks/rhel-general/vault-repos.yml

tasks/rhel-general/vault-repos.yml

@@ -0,0 +1,6 @@
+---
+- name: Ensure mirrorlists are disabled
+  raw: "sed -i '/^mirrorlist/ s/^/#/' /etc/yum.repos.d/CentOS-Base.repo"
+
+- name: Ensure vault is used
+  raw: "sed -i \"/baseurl/ { s/^[[:space:]]*#\\?//; s|mirror\\.centos\\.org/centos/\\$releasever|vault.centos.org/7.9.2009|; }\" /etc/yum.repos.d/CentOS-Base.repo"