old_contents: 
  
  ceph_repo = """
  [ceph]
  name=Ceph packages for $basearch
  baseurl={repo_url}/$basearch
  enabled=1
  gpgcheck=1
  type=rpm-md
  gpgkey={gpg_url}
  
  [ceph-noarch]
  name=Ceph noarch packages
  baseurl={repo_url}/noarch
  enabled=1
  gpgcheck=1
  type=rpm-md
  gpgkey={gpg_url}
  
  [ceph-source]
  name=Ceph source packages
  baseurl={repo_url}/SRPMS
  enabled=0
  gpgcheck=1
  type=rpm-md
  gpgkey={gpg_url}
  """
  
  custom_repo = """
  [{repo_name}]
  name={name}
  baseurl={baseurl}
  enabled={enabled}
  gpgcheck={gpgcheck}
  type={_type}
  gpgkey={gpgkey}
  """
  
new_contents: 
  
  ceph_repo = """
  [ceph]
  name=Ceph packages for $basearch
  baseurl={repo_url}/$basearch
  enabled=1
  gpgcheck=1
  type=rpm-md
  gpgkey={gpg_url}
  
  [ceph-noarch]
  name=Ceph noarch packages
  baseurl={repo_url}/noarch
  enabled=1
  gpgcheck=1
  type=rpm-md
  gpgkey={gpg_url}
  
  [ceph-source]
  name=Ceph source packages
  baseurl={repo_url}/SRPMS
  enabled=0
  gpgcheck=1
  type=rpm-md
  gpgkey={gpg_url}
  """
  
  custom_repo = """
  [{repo_name}]
  name={name}
  baseurl={baseurl}
  enabled={enabled}
  gpgcheck={gpgcheck}
  type={_type}
  gpgkey={gpgkey}
  proxy={proxy}
  """
  
subject: add proxy kw into yum repo templates