SaltStack Legato Installation

#!pyobjects

"""
http://ait.web.psi.ch/services/central_backup/nsr_install_lnx.html
"""

LEGATO_LOCAL_CONF="/root/nsradmin76_x.txt"

with Pkg.installed("Legato RPMs", pkgs=[ "lgtoclnt", "lgtoman"   ]):
  Service.running("networker", enable=True )

  import os
  if not os.path.isfile( LEGATO_LOCAL_CONF + '.salt.done' ):
    # We never configured Legato before, we have to configure it

    assert os.path.isfile("/usr/sbin/nsradmin")

    import socket

    FQDN , aliaslist, lan_ip = socket.gethostbyname_ex(socket.gethostname())

    if "." not in FQDN:
      from dns import reversename, resolver
      rev_name     = reversename.from_address(  lan_ip[0]     )
      reversed_dns = str(resolver.query(rev_name,"PTR")[0])
      FQDN         = reversed_dns[:-1] # t3ui.psi.ch


    LEGATO_LOCAL_CONF_CONTENT = """. type: NSRLA
  update administrator:"isroot,host=""" + FQDN + """","isroot,host=localhost","user=root,host=localhost","user=administrator,host=bs1","user=admin7,host=bs1","user=admin2,host=bs1"
  . type: NSR System Port Ranges
  update administrator:"isroot,host=""" + FQDN + """","isroot,host=localhost","user=root,host=localhost","user=administrator,host=bs1","user=admin7,host=bs1","user=admin2,host=bs1"
  """

    with os.fdopen( os.open(  LEGATO_LOCAL_CONF, os.O_WRONLY | os.O_CREAT, 0600), 'w') as LEGATO_LOCAL_CONF_FILE :
      LEGATO_LOCAL_CONF_FILE.write( LEGATO_LOCAL_CONF_CONTENT )

      Cmd.run("service networker stop" , shell='/bin/bash')
      Cmd.run("service networker start", shell='/bin/bash')
      with open( "/nsr/res/servers" , 'w' ) as file:
        file.write("bs1.psi.ch\n")
        Cmd.run("service networker  stop" , shell='/bin/bash')
        Cmd.run("service networker  start", shell='/bin/bash')

        Cmd.run("/usr/sbin/nsradmin -i " + LEGATO_LOCAL_CONF + "  -p nsrexec ", shell='/bin/bash' )
        Cmd.run("""
/usr/sbin/nsradmin -p nsrexec  << EOF
. type:NSR System Port Ranges
update service ports:7937-7940
yes
update connection ports:10000-11000
yes
EOF""", shell='/bin/bash' )
        Cmd.run("service networker   stop" , shell='/bin/bash')
        Cmd.run("service networker   start", shell='/bin/bash')

        # a timestamp inside /root/nsradmin76_x.txt.salt.done
        import time
        open(  LEGATO_LOCAL_CONF + '.salt.done', 'w' ).write( time.strftime("%d-%m-%Y - %H:%M:%S") + "\n"   )