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import logging
_log = logging.getLogger(__name__)
import sys, os, errno
from .conf import getrundir
telnet = '/usr/bin/telnet'
socat = '/usr/bin/socat'
def attach(args):
rundir = getrundir(user=args.user)
info = '%s/procserv-%s/info'%(rundir, args.name)
try:
with open(info) as F:
for L in map(str.strip, F):
if L.startswith('tcp:') and os.path.isfile(telnet):
_tcp, iface, port = L.split(':', 2)
args = [telnet, iface, port]+args.extra
elif L.startswith('unix:') and os.path.isfile(socat):
_unix, socket = L.split(':', 1)
args = [socat, '-,raw,echo=0', 'unix-connect:' + socket]
else:
continue
_log.debug('exec: %s', ' '.join(args))
os.execv(args[0], args)
sys.exit(1) # never reached
sys.exit("No tool to connect to %s (attach command needs telnet and/or socat)"%args.name)
except OSError as e:
if e.errno==errno.ENOENT:
_log.error('%s is not an active %s procServ', args.name, 'user' if args.user else 'system')
else:
_log.exception("Can't open %s"%info)
sys.exit(1)
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