/usr/lib/python2.7/dist-packages/asrun/system.py is in code-aster-run 1.13.1-2.
This file is owned by root:root, with mode 0o644.
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# ==============================================================================
# COPYRIGHT (C) 1991 - 2003 EDF R&D WWW.CODE-ASTER.ORG
# 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 2 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, WRITE TO EDF R&D CODE_ASTER,
# 1 AVENUE DU GENERAL DE GAULLE, 92141 CLAMART CEDEX, FRANCE.
# ==============================================================================
"""
Definition of AsterSystem class.
"""
import os
import os.path as osp
import sys
import re
import glob
from asrun.common.i18n import _
from asrun.mystring import print3, convert, to_unicode, ufmt
from asrun.system_command import COMMAND as command
from asrun.common.utils import get_tmpname_base, get_encoding, now
from asrun.common.sysutils import (
FileName,
on_linux,
on_windows,
on_64bits,
local_user,
local_full_host,
local_host,
get_hostname,
)
from asrun.common_func import is_localhost2
from asrun.core import magic
from asrun.backward_compatibility import bwc_deprecate_class
# colors and tty...
label = { 'OK' : ' OK ', 'FAILED' : 'FAILED', 'SKIP' : ' SKIP ' }
if on_linux() and hasattr(magic.get_stdout(), "isatty") and magic.get_stdout().isatty():
label['OK'] = '\033[1;32m%s\033[m\017' % label['OK']
label['FAILED'] = '\033[1;31m%s\033[m\017' % label['FAILED']
# label['SKIP'] = '\033[1;34m%s\033[m\017' % label['SKIP']
for k in label:
label[k] = '['+label[k]+']'
shell_cmd = command["shell_cmd"]
def _exitcode(status, default=99):
"""Extract the exit code from status. Return 'default' if the process
has not been terminated by exit.
"""
if os.WIFEXITED(status):
iret = os.WEXITSTATUS(status)
elif os.WIFSIGNALED(status):
iret = os.WTERMSIG(status)
elif os.WIFSTOPPED(status):
iret = os.WSTOPSIG(status)
else:
iret = default
return iret
_command_id = 0
def get_command_id():
"""Return a unique identifier for command started by 'local_shell'.
"""
global _command_id
_command_id += 1
return '%d_%08d' % (os.getpid(), _command_id)
def env2dict(s):
"""Convert output to a dictionnary."""
l = s.split(os.linesep)
d = {}
for line in l:
mat = re.search('^([-a-zA-Z_0-9@\+]+)=(.*$)', line)
if mat != None:
d[mat.group(1)] = mat.group(2)
return d
def get_command_line(cmd_in, bg, follow_output, separated_stderr,
output_filename, error_filename, var_exitcode):
"""Returns the command to run to redirect output/error, retreive exit code
"""
values = {
'cmd' : cmd_in,
'output' : output_filename,
'error' : error_filename,
'var' : var_exitcode,
}
if bg:
# new_cmd = cmd + ' &' => NO : stdout/stderr must be closed not to block
new_cmd = command['background'] % values
elif follow_output:
if not separated_stderr:
new_cmd = command['follow_with_stderr'] % values
else:
new_cmd = command['follow_separ_stderr'] % values
else:
if not separated_stderr:
new_cmd = command['not_follow_with_stderr'] % values
else:
new_cmd = command['not_follow_separ_stderr'] % values
#print3(u"Command :", new_cmd)
# may happen if tmpdir has been deleted before another one, just before exit.
if not osp.isdir(osp.dirname(output_filename)):
new_cmd = command['foreground'] % values
return new_cmd
def get_system_tmpdir():
"""Returns a directory for temporary files
"""
var = os.environ.get("TMPDIR") or os.environ.get('TEMP') or os.environ.get('TMP')
if var:
return var
if on_linux():
return "/tmp"
else:
return osp.join(os.environ.get("%systemroot%", "c:\\windows"), "temp")
def split_path(path):
"""Split a path using linux or windows separator.
"""
"""Split a path using platform 'os.path.sep',
but try "/", "\\" if no 'sep' was found.
"""
splitted = path.split(osp.sep)
if len(splitted) == 1:
splitted = splitted[0].split('/')
if len(splitted) == 1:
splitted = splitted[0].split('\\')
return splitted
class AsterSystem:
"""Class to encapsultate "system" commands on local or remote machine.
Available methods :
'Copy', 'Shell', 'IsRemote', 'MkDir', 'Delete', 'Exists', 'IsDir',
'Gzip', 'Gunzip', 'AddToEnv', 'GetHostName', 'PathOnly', 'Rename',
'VerbStart, 'VerbEnd', 'VerbIgnore', 'SetLimit', 'Which',
'GetCpuInfo', 'FindPattern', 'Symlink'
Supported protocols :
- for copy :
LOCAL, RCP, SCP, RSYNC, HTTP
- for shell execution :
LOCAL, RSH, SSH
"""
# this values must be set during installation step.
MaxCmdLen = 32768
MultiThreading = sys.version_info >= (2, 5)
# line length -9
_LineLen = 80-9
# required parameters for initialisation
RequiredParam = ['remote_copy_protocol', 'remote_shell_protocol']
def __init__(self, run, **kargs):
"""run : AsterRun object
OR just a dictionnary to define 'RequiredParam' + 'verbose', 'debug'
"""
self.verbose = run['verbose']
self.debug = run['debug']
self._tmpdir = get_system_tmpdir()
# ----- fill param
self.param = {}
for key in self.RequiredParam:
self.param[key] = run[key]
# ----- reference to AsterRun object which manages the execution
self.run = run
# ----- check if protocols are supported
if not self.param['remote_shell_protocol'] in ('LOCAL', 'RSH', 'SSH'):
self.param['remote_shell_protocol'] = 'SSH'
if not self.param['remote_copy_protocol'] in ('LOCAL', 'RCP', 'SCP', 'RSYNC', 'HTTP'):
self.param['remote_copy_protocol'] = 'SCP'
self._dbg('AsterSystem param :', self.param)
# ----- cache cpuinfo, meminfo
self._cpuinfo_cache = {}
self._meminfo_cache = {}
# ----- check for shared folders (never use remote copy for them)
self.shared_folders = []
if self.run.get('shared_folders'):
self.shared_folders = [rep.strip() \
for rep in self.run['shared_folders'].split(',')]
# ----- add shortcuts - example: run.Copy instead of run.system.Copy
if type(run) != dict:
for meth in AsterSystem.__dict__.keys():
if meth[0] == meth[0].upper() and not hasattr(run, meth) \
and hasattr(self, meth) and callable(getattr(self, meth)):
setattr(run, meth, getattr(self, meth))
def getuser_host(self):
return local_user, local_host
def _mess(self, msg, cod='', store=False):
"""Just print a message
"""
if hasattr(self.run, 'Mess'):
self.run.Mess(msg, cod, store)
else:
print3('%-18s %s' % (cod, msg))
def _dbg(self, *args, **kargs):
"""Print debug informations
"""
if hasattr(self.run, 'DBG'):
kargs['stack_id'] = kargs.get('stack_id', 1)
self.run.DBG(*args, **kargs)
elif self.debug:
print3('<DBG> %s // %s' % (str(args), str(kargs)))
def VerbStart(self, cmd, verbose=None):
"""Start message in verbose mode
"""
Lm = self._LineLen
if verbose == None:
verbose = self.verbose
if verbose:
pcmd = cmd
if len(cmd) > Lm-2 or cmd.count(os.linesep) > 0:
pcmd = pcmd+os.linesep+' '*Lm
print3(('%-'+str(Lm)+'s') % (pcmd, ), end=' ')
magic.get_stdout().flush()
def VerbEnd(self, iret, output='', verbose=None):
"""End message in verbose mode
"""
if verbose == None:
verbose = self.verbose
if verbose:
if iret == 0:
print3(label['OK'])
else:
print3(label['FAILED'])
print3(_(u'Exit code : %d') % iret)
if (iret != 0 or self.debug) and output:
print3(output)
def VerbIgnore(self, verbose=None):
"""End message in verbose mode
"""
if verbose == None:
verbose = self.verbose
if verbose:
print3(label['SKIP'])
def local_shell(self, cmd, bg=False, verbose=False, follow_output=False,
alt_comment=None, interact=False, separated_stderr=False,
stack_id=3, **ignore_args):
"""Execute a command shell
cmd : command
bg : put command in background if True
verbose : print status messages during execution if True
follow_output : follow interactively output of command
alt_comment : print this "alternative comment" instead of "cmd"
Return :
iret : exit code if bg = False,
0 if bg = True
output : output lines (as string)
"""
if not alt_comment:
alt_comment = cmd
if len(cmd) > self.MaxCmdLen:
self._mess((_(u'length of command shell greater '\
'than %d characters.') % self.MaxCmdLen), '<A>_ALARM')
self._dbg('cmd :', cmd, 'background : %s' % bg, 'follow_output : %s' % follow_output,
all=True, stack_id=stack_id)
self.VerbStart(alt_comment, verbose=verbose)
if follow_output and verbose:
print3(os.linesep+_(u'Command output :'))
var_id = "EXIT_COMMAND_%s" % get_command_id()
fout_name = get_tmpname_base(self._tmpdir, 'local_shell_output',
user=local_user, node=local_host, pid="auto")
ferr_name = get_tmpname_base(self._tmpdir, 'local_shell_error',
user=local_user, node=local_host, pid="auto")
new_cmd = get_command_line(cmd, bg, follow_output, separated_stderr,
fout_name, ferr_name, var_id)
# execution
iret = os.system(convert(new_cmd))
output, error = "", ""
try:
output = to_unicode(open(fout_name, "r").read())
os.remove(fout_name)
except:
pass
try:
error = to_unicode(open(ferr_name, "r").read())
os.remove(ferr_name)
except:
pass
if follow_output:
# repeat header message
self.VerbStart(alt_comment, verbose=verbose)
mat = re.search('EXIT_CODE=([0-9]+)', output)
if mat:
iret = int(mat.group(1))
elif follow_output:
# os.system returns exit code of tee
mat = re.search("%s=([0-9]+)" % var_id, output)
if mat:
iret = int(mat.group(1))
self.VerbEnd(iret, output, verbose=verbose)
if iret != 0:
self._dbg('ERROR : iret = %s' % iret, '+++ STANDARD OUTPUT:', output,
'+++ STANDARD ERROR:', error, '+++ END', all=True,
prefix=" ")
if bg:
iret = 0
if not separated_stderr:
result = iret, output
else:
result = iret, output, error
return result
def filename2dict(self, s):
"""Convert file name 's' given in format [[user[:passwd]@]machine:]name
into a dictionnary with keys = user, passwd, mach, name
"""
try:
fname = FileName(s)
except TypeError:
self._mess(_(u'unexpected type'), '<F>_PROGRAM_ERROR')
d = fname.asdict()
for rep in self.shared_folders:
if d['name'].startswith(rep):
d['user'] = d['passwd'] = d['mach'] = ''
break
return d
def PathOnly(self, filename):
"""Return only the path of file given as [[user[:passwd]@]machine:]name.
Very useful when `filename` contains 'user@mach:' string but refers to a
local filename.
"""
return self.filename2dict(filename)['name']
def Copy(self, dest, *src, **opts):
"""Copy files/directories (from 'src' list) to 'dest'
Remote names format :
[[user[:passwd]@]machine:]name
where name is an absolute or a relative path.
optional arguments : verbose, follow_output passed to local_shell,
niverr : default is set to <F>_COPY_ERROR, but may be '<A>' or less !
protocol : to use a different protocol just for this copy.
Note : if src[i] is a directory and dest doesn't exist
dest is created and the content of src[i] is copied into dest.
This is not a default behavior of rsync which would create
`basename src[i]` in dest even if dest doesn't exist.
"""
iret = 0
kargs = {}
# take values from opts if exist
kargs['verbose'] = opts.get('verbose', self.verbose)
kargs['follow_output'] = opts.get('follow_output', False)
kargs['separated_stderr'] = False
if opts.get('niverr'):
niverr = opts['niverr']
else:
niverr = '<F>_COPY_ERROR'
ddest = self.filename2dict(dest)
if self.IsRemote(dest) \
or (ddest['user'] != '' and ddest['user'] != local_user):
fdest = ddest['user']+'@'+ddest['mach']+':'+ddest['name']
else:
fdest = ddest['name']
self._dbg('source list : %s' % (src,), 'destination : %s' % fdest, stack_id=2)
if len(src) < 1:
self._mess(_(u'no source file to copy'), '<A>_ALARM')
for f in src:
# here because we can change 'proto' if necessary
proto = opts.get('protocol', self.param['remote_copy_protocol'])
jret = 0
df = self.filename2dict(f)
if self.IsRemote(f):
fsrc = df['user']+'@'+df['mach']+':'+df['name']
else:
fsrc = df['name']
df['user'] = df['mach'] = ''
cmd = ''
tail = '.../'+'/'.join(f.split('/')[-2:])
if not opts.has_key('alt_comment'):
kargs['alt_comment'] = ufmt(_(u"copying %s..."), tail)
else:
kargs['alt_comment'] = opts['alt_comment']
if df['mach'] == '' and ddest['mach'] == '':
cmd = command['copy'] % { "args" : fsrc+' '+fdest }
else:
if proto == 'RSYNC' and df['mach'] != '' and ddest['mach'] != '':
proto = 'RCP'
self._mess(_(u"copying a remote file to another remote server " \
"isn't allowed through RSYNC, trying with RCP."))
if proto == 'RCP':
cmd = 'rcp -r '+fsrc+' '+fdest
elif proto == 'SCP':
cmd = 'scp -rBCq -o StrictHostKeyChecking=no '+fsrc+' '+fdest
elif proto == 'RSYNC':
if self.IsDir(f) and not self.Exists(dest):
self.MkDir(dest)
cmd = 'rsync -rz '+os.path.join(fsrc, '*')+' '+fdest
else:
cmd = 'rsync -rz '+fsrc+' '+fdest
elif proto == 'HTTP':
str_user = ''
if not df['user'] in ('', 'anonymous'):
str_user = df['user']+'@'
# dest must be local
if ddest['mach'] == '':
cmd = 'wget http://'+str_user+df['mach']+df['name']+' -O '+fdest
else:
cmd = ''
self._mess(ufmt(_(u'remote destination not allowed through %s' \
' : %s'), proto, fdest), niverr)
if cmd != '':
jret, out = self.local_shell(cmd, **kargs)
if jret != 0 and niverr != 'SILENT':
self._mess(ufmt(_(u'error during copying %s to %s'), f, fdest) \
+ os.linesep + ufmt(_(u'message : %s'), out), niverr)
else:
self._mess(_(u'unexpected error or unknown copy protocol : %s') \
% proto, niverr)
iret = max(jret, iret)
return iret
def Rename(self, src, dest, **opts):
"""Rename 'src' to 'dest'.
Try using os.rename then 'mv -f' if failure.
"""
iret = 0
try:
os.rename(src, dest)
assert os.path.exists(dest) # could avoid NFS failure
except (AssertionError, OSError):
cmd = 'mv -f %s %s' % (src, dest)
result = self.local_shell(cmd, **opts)
iret = result[0]
return iret
def Symlink(self, src, link_name, verbose=True):
"""Create a symbolic link."""
if on_windows():
return self.Copy(link_name, src)
self.VerbStart(ufmt(_(u'adding a symbolic link %s to %s...'),
link_name, src), verbose=verbose)
iret = 0
output = ''
try:
if osp.exists(link_name):
self.Delete(link_name)
os.symlink(src, link_name)
except OSError, output:
iret = 4
self._mess(ufmt(_(u'error occurs during creating a symbolic link' \
' from %s to %s'), src, link_name), '<E>_SYMLINK')
self.VerbEnd(iret, output, verbose=verbose)
return iret
def Shell(self, cmd, mach='', user='', **opts):
"""Execute a command shell on local or remote machine.
Options : see local_shell
"""
#TODO use list type
if type(cmd) in (list, tuple):
cmd = ' '.join(map(convert, cmd))
iret = 1
# valeurs par défaut
kargs = {
'verbose' : self.verbose,
'bg' : False,
'interact' : False,
'follow_output' : False,
'alt_comment' : cmd,
'timeout' : None,
'display_forwarding' : False,
}
# surcharge par opts
kargs.update(opts)
proto = self.param['remote_shell_protocol']
# distant ?
user = user or local_user
distant = not is_localhost2(mach, user=user)
self._dbg('remote command (%s <> %s and %s <> %s) ? %s' % (mach, local_host, user, local_user, distant))
if not distant:
result = self.local_shell(cmd, **kargs)
else:
action = ''
# pour recuperer correctement l'output, il faut des " et non des ' autour des
# commandes sous "sh -c" et sous "xterm -e"
cmd = cmd.replace('"', '\\"')
cmd = cmd.replace('$', '\\$')
cmd = '"%s"' % cmd
if proto == 'RSH':
action = 'rsh -n -l '+user+' '+mach+' '+cmd
#elif proto == 'SSH': is the default
else:
options = "-n -o StrictHostKeyChecking=no -o BatchMode=yes"
if kargs['timeout']:
options += " -o 'ConnectTimeout=%s'" % kargs["timeout"]
if kargs['display_forwarding']:
options += " -X"
action = "ssh %(options)s -l %(user)s %(host)s %(command)s" % {
"user" : user,
"host" : mach,
"command" : cmd,
"options" : options,
}
result = self.local_shell(action, **kargs)
return result
def Gzip(self, src, **opts):
"""Compress file or content of directory 'src'.
optional arguments : verbose, niverr, cmd (to override gzip command).
Only local files/directories supported !
"""
return self._gzip_gunzip('gzip', src, **opts)
def Gunzip(self, src, **opts):
"""Decompress file or content of directory 'src'.
optional arguments : verbose, niverr, cmd (to override gzip -d command).
Only local files/directories supported !
"""
return self._gzip_gunzip('gunzip', src, **opts)
def _gzip_gunzip(self, mode, src, **opts):
"""Called by Gzip (mode=gzip) and Gunzip (mode=gunzip) methods.
Return status and filename of src after de/compression.
Only local files/directories supported !
"""
para = {
'gzip' : {
'cmd' : 'gzip ',
'niverr' : '<F>_COMPRES_ERROR',
'msg0' : _(u'no file/directory to compress'),
'comment' : _(u'compressing %s'),
'msgerr' : _(u'error during compressing %s'),
},
'gunzip' : {
# sometimes gunzip doesn't exist, gzip seems safer
'cmd' : 'gzip -d ',
'niverr' : '<F>_DECOMPRESSION',
'msg0' : _(u'no file/directory to decompress'),
'comment' : _(u'decompressing %s'),
'msgerr' : _(u'error during decompressing %s'),
},
}
if not mode in para.keys():
self._mess(_(u'unknown mode : %s') % mode, '<F>_PROGRAM_ERROR')
iret = 0
if opts.has_key('cmd'):
cmd = opts['cmd']
else:
cmd = para[mode]['cmd']
if opts.has_key('verbose'):
verbose = opts['verbose']
else:
verbose = self.verbose
if opts.has_key('niverr'):
niverr = opts['niverr']
else:
niverr = para[mode]['niverr']
if len(src) < 1:
self._mess(para[mode]['msg0'], '<A>_ALARM')
return iret
if not os.path.isdir(src):
if mode == 'gzip':
name = src + '.gz'
else:
name = re.sub('\.gz$', '', src)
lf = [src]
else:
name = src
lf = glob.glob(os.path.join(src, '*'))
for f in lf:
jret = 0
comment = para[mode]['comment'] % f
if os.path.isdir(f):
self.VerbStart(comment, verbose=verbose)
self.VerbIgnore(verbose=verbose)
else:
jret = self.local_shell(cmd+f, verbose=verbose, alt_comment=comment)[0]
if jret != 0:
self._mess(para[mode]['msgerr'] % f, niverr)
iret = max(iret, jret)
return iret, name
def IsRemote(self, path):
"""Return True if 'path' seems to be on a remote host.
NB : we suppose that host and host.domain are identical.
"""
dico = self.filename2dict(path)
return not is_localhost2(dico["mach"])
def Exists(self, path):
"""Return True if 'path' exists (file or directory).
"""
iret = 0
exists = True
dico = self.filename2dict(path)
if self.IsRemote(path):
dico["cmd"] = shell_cmd
cmd = "%(cmd)s 'if test -f %(name)s ; then echo FILE_EXISTS; " \
"elif test -d %(name)s ; then echo DIR_EXISTS ; " \
"else echo FALSE ; fi'"
iret, out = self.Shell(cmd % dico, dico['mach'], dico['user'], verbose=self.verbose)
if out.find('FALSE') > -1:
exists = False
else:
exists = os.path.exists(dico['name'])
return exists
def IsDir(self, path):
"""Return True if 'path' is a directory.
"""
iret = 0
isdir = False
dico = self.filename2dict(path)
if self.IsRemote(path):
dico["cmd"] = shell_cmd
cmd = "%(cmd)s 'if test -d %(name)s ; then echo IS_DIRECTORY; " \
"else echo FALSE ; fi'"
iret, out = self.Shell(cmd % dico, dico['mach'], dico['user'], verbose=self.verbose)
if out.find('IS_DIRECTORY') > -1:
isdir = True
else:
isdir = os.path.isdir(dico['name'])
return isdir
def FileCat(self, src=None, dest=None, text=None):
"""Append content of 'src' to 'dest' (filename or file object).
Warning : Only local filenames !
"""
assert dest != None and (src != None or text != None)
if type(dest) != file:
if not os.path.isdir(dest) or os.access(dest, os.W_OK):
f2 = open(dest, 'a')
else:
self._mess(ufmt(_(u'No write access to %s'), dest), '<F>_ERROR')
return
else:
f2 = dest
if text is None:
if os.path.exists(src):
if os.path.isfile(src):
text = open(src, 'r').read()
else:
self._mess(ufmt(_(u'file not found : %s'), src), '<F>_FILE_NOT_FOUND')
return
if text:
f2.write(text)
if type(dest) != file:
f2.close()
def _check_filetype(self, path):
"""Return file type or '' on remote files."""
if on_windows():
return ''
dico = self.filename2dict(path)
out = ''
if not self.IsRemote(path):
cmd = command['file'] % { 'args' : path }
iret, out = self.Shell(cmd, verbose=self.verbose)
out = re.sub(re.escape(path) + ': *', '', out)
return out
def IsText(self, path):
"""Return True if `path` is a text file.
Warning : return False if `path` is remote
"""
return self._check_filetype(path).find('text') > -1
def IsTextFileWithCR(self, path):
"""Return True if `path` is a text file containing line terminators.
Warning : return False if `path` is remote
"""
out = self._check_filetype(path)
return out.lower().find('text') > -1 and out.find('CR') > -1
def MkDir(self, rep, niverr=None, verbose=None, chmod=0755):
"""Create the directory 'rep' (mkdir -p ...)
"""
if niverr == None:
niverr = '<F>_MKDIR_ERROR'
if verbose == None:
verbose = self.verbose
iret = 0
dico = self.filename2dict(rep)
if self.IsRemote(rep):
cmd = 'mkdir -p %(dir)s ; chmod %(chmod)o %(dir)s' % {
'dir' : dico['name'],
'chmod' : chmod,
}
iret, out = self.Shell(cmd, dico['mach'], dico['user'], verbose=verbose)
else:
dico['name'] = osp.expandvars(dico['name'])
self.VerbStart(ufmt(_(u'creating directory %s'), dico['name']), verbose)
# ----- it's not tested in remote
s = ''
try:
os.makedirs(dico['name'])
except OSError, s:
# maybe simultaneously created by another process
if not os.path.isdir(dico['name']):
iret = 4
try:
os.chmod(dico['name'], chmod)
except OSError, s:
self._mess(ufmt(_(u'can not change permissions on %s'), rep), '<A>_ALARM')
self.VerbEnd(iret, s, verbose)
if iret != 0:
self._mess(ufmt(_(u'can not create directory %s'), rep), niverr)
return iret
def Delete(self, rep, remove_dirs=True, verbose=None):
"""Delete a file or a directory tree (rm -rf ...).
Set 'remove_dirs' to False to be sure to delete 'rep' only if it's a file.
"""
if verbose == None:
verbose = self.verbose
iret = 0
dico = self.filename2dict(rep)
# preventing to delete first level directories (as /, /home, /usr...)
if dico['name'][0] == '/' and len(dico['name'][:-1].split(os.sep)) <= 2:
self._mess(ufmt(_(u'deleting this directory seems too dangerous. ' \
'%s has not been removed'), dico['name']), '<A>_ALARM')
return
if remove_dirs:
cmd = command['rm_dirs'] % { 'args' : dico['name'] }
else:
cmd = command['rm_file'] % { 'args' : dico['name'] }
tail = '.../'+'/'.join(rep.split('/')[-2:])
comment = ufmt(_(u'deleting %s'), tail)
if self.IsRemote(rep):
iret, out = self.Shell(cmd, dico['mach'], dico['user'],
alt_comment=comment, verbose=verbose, stack_id=4)
else:
iret, out = self.Shell(cmd, alt_comment=comment, verbose=verbose, stack_id=4)
return
def AddToEnv(self, profile):
"""Read 'profile' file (with sh/bash/ksh syntax) and add updated
variables to os.environ.
"""
if not os.path.isfile(profile):
self._mess(ufmt(_(u'file not found : %s'), profile), '<A>_FILE_NOT_FOUND')
return
# read initial environment
iret, out = self.Shell('%s env' % shell_cmd)
self._dbg("env_init", out, all=True)
env_init = env2dict(out)
if iret != 0:
self._mess(_(u'error getting environment'), '<E>_ABNORMAL_ABORT')
return
# read profile and dump modified environment
iret, out = self.Shell('%s ". %s ; env"' % (shell_cmd, profile))
self._dbg("env_prof", out, all=True)
env_prof = env2dict(out)
if iret != 0:
self._mess(ufmt(_(u'error reading profile : %s'), profile), '<E>_ABNORMAL_ABORT')
return
# "diff"
for k, v in env_prof.items():
if env_init.get(k, None) != v:
self._dbg('AddToEnv set : %s=%s' % (k, v))
os.environ[k] = convert(v)
for k in [k for k in env_init.keys() if env_prof.get(k) is None]:
self._dbg('unset %s ' % k, DBG=True)
try:
del os.environ[k]
except:
pass
def GetHostName(self, host=None):
"""Return hostname of the machine 'host' or current machine if None.
"""
return get_hostname(host)
def GetCpuInfo(self, what, mach='', user=''):
"""Return CPU information.
what='numcpu' : number of processors
what='numthread' : number of threads (depends on MultiThreading attribute)
"""
if self._cpuinfo_cache.get(what+mach+user) is not None:
return self._cpuinfo_cache[what+mach+user]
if what in ('numcpu', 'numthread'):
num = 1
if not self.MultiThreading and what == "numthread":
return 1
if on_linux():
iret, out = self.Shell('cat /proc/cpuinfo', mach, user)
exp = re.compile('^processor\s+:\s+([0-9]+)', re.MULTILINE)
l_ids = exp.findall(out)
if len(l_ids) >= 1: # else: it should not !
num = max([int(i) for i in l_ids]) + 1
elif on_windows():
num = 1
self._cpuinfo_cache[what+mach+user] = num
self._dbg("GetCpuInfo '%s' returns : %s" % (what, num))
return num
else:
return None
def GetMemInfo(self, what, mach='', user=''):
"""Return memory information.
"""
if self._meminfo_cache.get(what+mach+user) is not None:
return self._meminfo_cache[what+mach+user]
if what in ('memtotal',):
num = None
if on_linux():
iret, out = self.Shell('cat /proc/meminfo', mach, user)
mat = re.search('^%s *: *([0-9]+) *kb' % what, out, re.MULTILINE | re.IGNORECASE)
if mat != None: # else: it should not !
num = int(mat.group(1))/1024
if not on_64bits():
num = min(num, 2047)
self._meminfo_cache[what+mach+user] = num
self._dbg("GetMemInfo '%s' returns : %s" % (what, num))
return num
else:
return None
def Ping(self, mach='', timeout=2):
"""Return True if 'mach' is responding.
"""
if is_localhost2(mach):
return True
iret, output = self.Shell(command['ping'] % { 'host' : mach, 'timeout' : timeout })
return iret == 0
def SendMail(self, dest, author=None, subject='no subject', text=''):
"""Send a message by mail.
Use ", " in `dest` to separate multiple recipients.
"""
sign = _(u'email sent at %s by as_run from %s') % (now(), local_host)
sign = os.linesep*2 + '-'*len(sign) + os.linesep \
+ sign \
+ os.linesep + '-'*len(sign) + os.linesep
try:
import smtplib
from asrun.common.utils import MIMETextClass
if MIMETextClass is None:
raise ImportError
except ImportError:
self._mess(_(u'Can not send mail from this machine'),
'<A>_NO_MAILER')
return
dest = [s.strip() for s in dest.split(',')]
mail_encoding = get_encoding()
content = convert(to_unicode(text) + sign, mail_encoding)
msg = MIMETextClass(content, _charset=mail_encoding)
msg['Subject'] = convert(subject, mail_encoding)
if author == None:
author = '%s@%s' % (local_user, local_full_host)
msg['From'] = author
msg['To'] = ', '.join(dest)
s = smtplib.SMTP()
s.connect()
s.sendmail(msg['From'], dest, msg.as_string())
s.close()
def SetLimit(self, what, *l_limit):
"""Set a system limit.
`what` is one of CORE, CPU... (see help of resource module).
If provided `l_limit` contains (soft limit, hard limit).
"""
if not on_linux():
return
import resource
nomp = 'RLIMIT_%s' % what.upper()
param = getattr(resource, nomp)
if param != None:
if len(l_limit) == 1:
l_limit = (l_limit[0], l_limit[0])
elif len(l_limit) != 2:
l_limit = (-1, -1)
l_limit = list(l_limit)
for i, lim in enumerate(l_limit):
if type(lim) not in (int, long):
l_limit[i] = -1
try:
self._dbg([what, nomp, l_limit])
resource.setrlimit(param, l_limit)
except Exception, msg:
self._mess(_(u'unable to set %s limit to %s') % (nomp, l_limit))
def Which(self, cmd):
"""Same as `which cmd`. Returns the path found or None.
"""
ldirs = os.environ.get('PATH').split(':')
for d in ldirs:
path = os.path.join(d, cmd)
if os.path.isfile(path) and os.access(path, os.X_OK):
return path
return None
def FindPattern(self, root, pattern, maxdepth=5):
"""Return a list of the files matching 'pattern'.
The same as glob if maxdepth=0.
"""
if self.IsRemote(root):
self._mess(_(u'Find files matching a pattern only works on local files/directories'), \
'<F>_PROGRAM_ERROR')
root = self.PathOnly(root)
if os.path.isfile(root):
return [root, ]
root = os.path.realpath(root)
dirs = [root,]
if maxdepth > 0:
level = len(split_path(root))
for base, l_dirs, l_nondirs in os.walk(root):
lev=len(split_path(base))
if lev <= (level + maxdepth):
if not base in dirs:
dirs.append(base)
else:
del l_dirs[:] # empty dirs list so we don't walk needlessly
res = []
for d in dirs:
res.extend(glob.glob(os.path.join(d, pattern)))
self._dbg('FindPattern : rootdir=%s pattern=%s' % (root, repr(pattern)), res)
return res
class AsterSystemMinimal(AsterSystem):
"""Fake AsterRun to use easily AsterSystem outside of asrun.
"""
def __init__(self, **kargs):
"""Initialization
"""
opts = {
'debug' : False,
'verbose' : False,
'remote_copy_protocol' : 'SCP',
'remote_shell_protocol' : 'SSH',
}
opts.update(kargs)
AsterSystem.__init__(self, run=opts)
ASTER_SYSTEM = bwc_deprecate_class('ASTER_SYSTEM', AsterSystem)
ASTER_SYSTEM_MINIMAL = bwc_deprecate_class('ASTER_SYSTEM_MINIMAL',
AsterSystemMinimal)
if __name__ == '__main__':
system = AsterSystemMinimal()
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