(List
  (Com {[LIT_CHARS set]} {[LIT_CHARS -o]} {[LIT_CHARS errexit]}  )
  (Com {[LIT_CHARS set]} {[LIT_CHARS -o]} {[LIT_CHARS nounset]}  )
  (Com {[LIT_CHARS set]} {[LIT_CHARS -o]} {[LIT_CHARS pipefail]}  )
  (Com {[LIT_CHARS .]} {[LIT_CHARS /etc/sysconfig/heat-params]}  )
  (= scope=<EAssignScope.GLOBAL 1> flags=0 words=[] bindings=[('FLANNEL_ETCD_URL', {[DQ [LIT_CHARS "http://"][VarSub MASTER_IP][LIT_CHARS ":4379"]]})])
  (If
    (Pipeline!
      (Com {[LIT_CHARS which]} {[LIT_CHARS flanneld]}
        <
        (FilenameRedirectNode filename={[LIT_CHARS /dev/null]} <REDIR_GREAT ">"> 1),
        (DescriptorRedirectNode target={[LIT_CHARS 1]} <REDIR_GREATAND "2>&"> 2),
        >
      )
    )
    (Com {[LIT_CHARS yum]} {[LIT_CHARS install]} {[LIT_CHARS -y]} {[LIT_CHARS flannel]}    )
  )
  (Com {[LIT_CHARS cat]}
    <
    (HereDocRedirectNode here_end='EOF' do_expansion=True body_word={[DQ [LIT_CHARS "FLANNEL_ETCD="][RIGHT_D_QUOTE "\""][VarSub FLANNEL_ETCD_URL][RIGHT_D_QUOTE "\""][LIT_CHARS "\n"][LIT_CHARS "FLANNEL_ETCD_KEY="][RIGHT_D_QUOTE "\""][LIT_CHARS /coreos.com/network][RIGHT_D_QUOTE "\""][LIT_CHARS "\n"][LIT_CHARS "FLANNEL_OPTIONS="][RIGHT_D_QUOTE "\""][LIT_CHARS "-iface=eth0 --ip-masq"][RIGHT_D_QUOTE "\""][LIT_CHARS "\n"]]} <REDIR_DLESS "<<"> 0),
    (FilenameRedirectNode filename={[LIT_CHARS /etc/sysconfig/flanneld]} <REDIR_GREAT ">"> 1),
    >
  )
  (Com {[LIT_CHARS systemctl]} {[LIT_CHARS enable]} {[LIT_CHARS flanneld]}  )
  (Com {[LIT_CHARS systemctl]} {[LIT_CHARS restart]} {[LIT_CHARS flanneld]}  )
  (AndOr OP_OR_IF
    (Com {[LIT_CHARS grep]} {[SQ <LIT_CHARS "^hosts:.*myhostname">]} {[LIT_CHARS /etc/nsswitch.conf]}    )
    (Subshell
      (Com {[LIT_CHARS sed]} {[LIT_CHARS -e]} {[SQ <LIT_CHARS "s/^hosts:\\(.*\\)/hosts:\\1 myhostname/">]} {[LIT_CHARS -i]} {[LIT_CHARS /etc/nsswitch.conf]}      )
    )
  )
)