-from neco.util.sshfuncs import RUNNING, FINISHED, NOT_STARTED, STDOUT
+#
+# NEPI, a framework to manage network experiments
+# Copyright (C) 2013 INRIA
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+# Author: Alina Quereilhac <alina.quereilhac@inria.fr>
+
+from nepi.util.sshfuncs import ProcStatus, STDOUT
import subprocess
def lexec(command,
user = None,
sudo = False,
- stdin = None,
env = None):
"""
Executes a local command, returns ((stdout,stderr),process)
elif user:
command = "su %s ; %s " % (user, command)
- p = subprocess.Popen(command,
+
+ proc = subprocess.Popen(command, shell=True,
stdout = subprocess.PIPE,
- stderr = subprocess.PIPE,
- stdin = stdin)
+ stderr = subprocess.PIPE)
- out, err = p.communicate()
+ out, err = proc.communicate()
return ((out, err), proc)
def lcopy(source, dest, recursive = False):
command.append(src)
command.append(dst)
- p = subprocess.Popen(command,
+ proc = subprocess.Popen(command,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
'create' : 'mkdir -p %s ; ' % (shell_escape(home),) if create_home else '',
}
- (out,err),proc = lexec(cmd)
+ (out,err), proc = lexec(cmd)
if proc.wait():
raise RuntimeError, "Failed to set up application on host %s: %s %s" % (host, out,err,)
- return (out,err),proc
+ return ((out,err), proc)
-def lcheckpid(pidfile):
+def lgetpid(pidfile):
"""
Check the pidfile of a process spawned with remote_spawn.
or None if the pidfile isn't valid yet (maybe the process is still starting).
"""
- (out,err),proc = lexec("cat %s" % pidfile )
+ (out,err), proc = lexec("cat %s" % pidfile )
if proc.wait():
return None
One of NOT_STARTED, RUNNING, FINISHED
"""
- (out,err),proc = lexec(
+ (out,err), proc = lexec(
# Check only by pid. pid+ppid does not always work (especially with sudo)
" (( ps --pid %(pid)d -o pid | grep -c %(pid)d && echo 'wait') || echo 'done' ) | tail -n 1" % {
'ppid' : ppid,
})
if proc.wait():
- return NOT_STARTED
+ return ProcStatus.NOT_STARTED
status = False
if out:
status = (out.strip() == 'wait')
else:
- return NOT_STARTED
- return RUNNING if status else FINISHED
-
+ return ProcStatus.NOT_STARTED
+
+ return ProcStatus.RUNNING if status else ProcStatus.FINISHED
def lkill(pid, ppid, sudo = False):
"""