1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
# -*- coding: utf-8 -*-
# vim: set et sts=2:
# pylint: disable-msg=W0311,C0301,C0103,C0111,W0141,W0142
import logging
import md5
import multiprocessing
import re
import shutil
import os
import time
import urllib
from xml.dom import minidom
import xml_marshaller
from flask import jsonify
from slapos.runner.process import Popen, isRunning, killRunningProcess
from slapos.htpasswd import HtpasswdFile
import slapos.slap
# Setup default flask (werkzeug) parser
logger = logging.getLogger('werkzeug')
html_escape_table = {
"&": "&",
'"': """,
"'": "'",
">": ">",
"<": "<",
}
def html_escape(text):
"""Produce entities within text."""
return "".join(html_escape_table.get(c, c) for c in text)
def getSession(config):
"""
Get the session data of current user.
Returns:
a list of user information or None if the file does not exist.
"""
user_path = os.path.join(config['etc_dir'], '.users')
if os.path.exists(user_path):
return open(user_path).read().split(';')
def saveSession(config, account):
"""
Save account information for the current user
Args:
config: Slaprunner configuration
session: Flask session
account: New session data to be save
Returns:
True if all goes well or str (error message) if fail
"""
# XXX Cedric LN hardcoded path for files
user = os.path.join(config['etc_dir'], '.users')
htpasswdfile = os.path.join(config['etc_dir'], '.htpasswd')
backup = False
try:
if os.path.exists(user):
#backup previous data
data = open(user).read()
open('%s.back' % user, 'w').write(data)
backup = True
if not account[1]:
account[1] = data.split(';')[1]
#save new account data
open(user, 'w').write((';'.join(account)).encode("utf-8"))
# Htpasswd file for cloud9
# XXX Cedric Le N order of account list values suppose to be fixed
# Remove former file to avoid outdated accounts
if os.path.exists(htpasswdfile):
os.remove(htpasswdfile)
passwd = HtpasswdFile(htpasswdfile, create=True)
passwd.update(account[0], account[1])
passwd.save()
return True
except Exception as e:
try:
if backup:
os.remove(user)
os.rename('%s.back' % user, user)
except:
pass
return str(e)
def getCurrentSoftwareReleaseProfile(config):
"""
Returns used Software Release profile as a string.
"""
try:
software_folder = open(
os.path.join(config['etc_dir'], ".project")).read()
return realpath(
config, os.path.join(software_folder, config['software_profile']))
except:
return False
def requestInstance(config, software_type=None):
"""
Request the main instance of our environment
"""
software_type_path = os.path.join(config['etc_dir'], ".software_type.xml")
if software_type:
# Write it to conf file for later use
open(software_type_path, 'w').write(software_type)
elif os.path.exists(software_type_path):
software_type = open(software_type_path).read()
else:
software_type = 'default'
slap = slapos.slap.slap()
profile = getCurrentSoftwareReleaseProfile(config)
slap.initializeConnection(config['master_url'])
param_path = os.path.join(config['etc_dir'], ".parameter.xml")
xml_result = readParameters(param_path)
partition_parameter_kw = None
if type(xml_result) != type('') and 'instance' in xml_result:
partition_parameter_kw = xml_result['instance']
return slap.registerOpenOrder().request(
profile,
partition_reference=getSoftwareReleaseName(config),
partition_parameter_kw=partition_parameter_kw,
software_type=software_type,
filter_kw=None,
state=None,
shared=False)
def updateProxy(config):
"""
Configure Slapos Node computer and partitions.
Send current Software Release to Slapproxy for compilation and deployment.
"""
if not os.path.exists(config['instance_root']):
os.mkdir(config['instance_root'])
slap = slapos.slap.slap()
profile = getCurrentSoftwareReleaseProfile(config)
slap.initializeConnection(config['master_url'])
slap.registerSupply().supply(profile, computer_guid=config['computer_id'])
computer = slap.registerComputer(config['computer_id'])
prefix = 'slappart'
slap_config = {
'address': config['ipv4_address'],
'instance_root': config['instance_root'],
'netmask': '255.255.255.255',
'partition_list': [],
'reference': config['computer_id'],
'software_root': config['software_root']
}
for i in xrange(0, int(config['partition_amount'])):
partition_reference = '%s%s' % (prefix, i)
partition_path = os.path.join(config['instance_root'], partition_reference)
if not os.path.exists(partition_path):
os.mkdir(partition_path)
os.chmod(partition_path, 0750)
slap_config['partition_list'].append({
'address_list': [
{
'addr': config['ipv4_address'],
'netmask': '255.255.255.255'
}, {
'addr': config['ipv6_address'],
'netmask': 'ffff:ffff:ffff::'
},
],
'path': partition_path,
'reference': partition_reference,
'tap': {'name': partition_reference}})
computer.updateConfiguration(xml_marshaller.xml_marshaller.dumps(slap_config))
return True
def updateInstanceParameter(config, software_type=None):
"""
Reconfigure Slapproxy to re-deploy current Software Instance with parameters.
Args:
config: Slaprunner configuration.
software_type: reconfigure Software Instance with software type.
"""
if not (updateProxy(config) and requestInstance(config, software_type)):
return False
def startProxy(config):
"""Start Slapproxy server"""
if isRunning('slapproxy'):
return
log = os.path.join(config['log_dir'], 'slapproxy.log')
Popen([config['slapproxy'], '--log_file', log,
config['configuration_file_path']],
name='slapproxy',
stdout=None)
time.sleep(4)
def stopProxy(config):
"""Stop Slapproxy server"""
pass
def removeProxyDb(config):
"""Remove Slapproxy database, this is used to initialize proxy for example when
configuring new Software Release"""
if os.path.exists(config['database_uri']):
os.unlink(config['database_uri'])
def isSoftwareRunning(config=None):
"""
Return True if slapgrid-sr is still running and false if slapgrid if not
"""
# XXX-Marco what is 'config' for?
return isRunning('slapgrid-sr')
def runSoftwareWithLock(config):
"""
Use Slapgrid to compile current Software Release and wait until
compilation is done
"""
if isSoftwareRunning():
return False
slapgrid_pid = os.path.join(config['run_dir'], 'slapgrid-sr.pid')
if not os.path.exists(config['software_root']):
os.mkdir(config['software_root'])
stopProxy(config)
removeProxyDb(config)
startProxy(config)
logfile = open(config['software_log'], 'w')
if not updateProxy(config):
return False
# Accelerate compilation by setting make -jX
# XXX-Marco can have issues with implicit dependencies or recursive makefiles. should be configurable.
environment = os.environ.copy()
environment['MAKEFLAGS'] = '-j%r' % multiprocessing.cpu_count()
slapgrid = Popen([config['slapgrid_sr'], '-vc',
'--pidfile', slapgrid_pid,
config['configuration_file_path'], '--now', '--develop'],
stdout=logfile, env=environment,
name='slapgrid-sr')
slapgrid.wait()
#Saves the current compile software for re-use
config_SR_folder(config)
return True
def config_SR_folder(config):
"""Create a symbolik link for each folder in software folder. That allows
the user to customize software release folder"""
list = []
# XXX-Marco do not shadow 'list'
config_name = 'slaprunner.config'
for path in os.listdir(config['software_link']):
cfg_path = os.path.join(config['software_link'], path, config_name)
if os.path.exists(cfg_path):
cfg = open(cfg_path).read().split("#")
if len(cfg) != 2:
continue # there is a broken config file
list.append(cfg[1])
folder_list = os.listdir(config['software_root'])
if not folder_list:
return
current_project = open(os.path.join(config['etc_dir'], ".project")).read()
projects = current_project.split('/')
name = projects[-2]
for folder in folder_list:
if folder in list:
continue # this folder is already registered
else:
if not os.path.exists(os.path.join(config['software_link'], name)):
destination = os.path.join(config['software_link'], name)
else:
destination = os.path.join(config['software_link'], folder)
source = os.path.join(config['software_root'], folder)
cfg = os.path.join(destination, config_name)
#create symlink
os.symlink(source, destination)
#write config file
with open(cfg, 'w') as cf:
cf.write(current_project + '#' + folder)
def loadSoftwareRList(config):
"""Return list (of dict) of Software Release from symbolik SR folder"""
list = []
config_name = 'slaprunner.config'
for path in os.listdir(config['software_link']):
cfg_path = os.path.join(config['software_link'], path, config_name)
if os.path.exists(cfg_path):
cfg = open(cfg_path).read().split("#")
if len(cfg) != 2:
continue # there is a broken config file
list.append(dict(md5=cfg[1], path=cfg[0], title=path))
return list
def isInstanceRunning(config=None):
"""
Return True if slapgrid-cp is still running and False otherwise
"""
# XXX-Marco what is 'config' for?
return isRunning('slapgrid-cp')
def runInstanceWithLock(config):
"""
Use Slapgrid to deploy current Software Release and wait until
deployment is done.
"""
if isInstanceRunning():
return False
slapgrid_pid = os.path.join(config['run_dir'], 'slapgrid-cp.pid')
startProxy(config)
logfile = open(config['instance_log'], 'w')
if not (updateProxy(config) and requestInstance(config)):
return False
slapgrid = Popen([config['slapgrid_cp'], '-vc',
'--pidfile', slapgrid_pid,
config['configuration_file_path'], '--now'],
stdout=logfile, name='slapgrid-cp')
slapgrid.wait()
return True
def getProfilePath(projectDir, profile):
"""
Return the path of the current Software Release `profile`
Args:
projectDir: Slaprunner workspace location.
profile: file to search into the workspace.
Returns:
String, path of current Software Release profile
"""
if not os.path.exists(os.path.join(projectDir, ".project")):
return False
projectFolder = open(os.path.join(projectDir, ".project")).read()
return os.path.join(projectFolder, profile)
def getSlapStatus(config):
"""Return all Slapos Partitions with associate information"""
slap = slapos.slap.slap()
slap.initializeConnection(config['master_url'])
partition_list = []
computer = slap.registerComputer(config['computer_id'])
try:
for partition in computer.getComputerPartitionList():
# Note: Internal use of API, as there is no reflexion interface in SLAP
partition_list.append((partition.getId(), partition._connection_dict.copy()))
except Exception:
pass
if partition_list:
for i in xrange(0, int(config['partition_amount'])):
slappart_id = '%s%s' % ("slappart", i)
if not [x[0] for x in partition_list if slappart_id == x[0]]:
partition_list.append((slappart_id, []))
return partition_list
def svcStopAll(config):
"""Stop all Instance processes on this computer"""
return Popen([config['supervisor'], config['configuration_file_path'],
'shutdown']).communicate()[0]
def removeInstanceRoot(config):
"""Clean instance directory and stop all its running processes"""
if os.path.exists(config['instance_root']):
svcStopAll(config)
for root, dirs, _ in os.walk(config['instance_root']):
for fname in dirs:
fullPath = os.path.join(root, fname)
if not os.access(fullPath, os.W_OK):
# Some directories may be read-only, preventing to remove files in it
os.chmod(fullPath, 0744)
shutil.rmtree(config['instance_root'])
def getSvcStatus(config):
"""Return all Softwares Instances process Information"""
result = Popen([config['supervisor'], config['configuration_file_path'],
'status']).communicate()[0]
regex = "(^unix:.+\.socket)|(^error:)|(^watchdog).*$"
supervisord = []
for item in result.split('\n'):
if item.strip() != "":
if re.search(regex, item, re.IGNORECASE) is None:
supervisord.append(re.split('[\s,]+', item))
return supervisord
def getSvcTailProcess(config, process):
"""Get log for the specified process
Args:
config: Slaprunner configuration
process: process name. this value is passed to supervisord.
Returns:
a string that contains the log of the process.
"""
return Popen([config['supervisor'], config['configuration_file_path'],
"tail", process]).communicate()[0]
def svcStartStopProcess(config, process, action):
"""Send start or stop process command to supervisord
Args:
config: Slaprunner configuration.
process: process to start or stop.
action: current state which is used to generate the new process state.
"""
cmd = {
'RESTART': 'restart',
'STOPPED': 'start',
'RUNNING': 'stop',
'EXITED': 'start',
'STOP': 'stop'
}
return Popen([config['supervisor'], config['configuration_file_path'],
cmd[action], process]).communicate()[0]
def getFolderContent(config, folder):
"""
Read all file and folder into specified directory
Args:
config: Slaprunner configuration.
folder: the directory to read.
Returns:
Html formatted string or error message when fail.
"""
r = ['<ul class="jqueryFileTree" style="display: none;">']
try:
folder = str(folder)
r = ['<ul class="jqueryFileTree" style="display: none;">']
d = urllib.unquote(folder)
realdir = realpath(config, d)
if realdir:
ldir = sorted(os.listdir(realdir), key=str.lower)
else:
r.append('Could not load directory: Permission denied')
ldir = []
for f in ldir:
if f.startswith('.'): # do not displays this file/folder
continue
ff = os.path.join(d, f)
if os.path.isdir(os.path.join(realdir, f)):
r.append('<li class="directory collapsed"><a href="#%s" rel="%s/">%s</a></li>' % (ff, ff, f))
else:
e = os.path.splitext(f)[1][1:] # get .ext and remove dot
r.append('<li class="file ext_%s"><a href="#%s" rel="%s">%s</a></li>' % (e, ff, ff, f))
r.append('</ul>')
except Exception as e:
r.append('Could not load directory: %s' % str(e))
r.append('</ul>')
return jsonify(result=''.join(r))
def getFolder(config, folder):
"""
Read list of folder for the specified directory
Args:
config: Slaprunner configuration.
folder: the directory to read.
Returns:
Html formatted string or error message when fail.
"""
r = ['<ul class="jqueryFileTree" style="display: none;">']
try:
folder = str(folder)
r = ['<ul class="jqueryFileTree" style="display: none;">']
d = urllib.unquote(folder)
realdir = realpath(config, d)
if not realdir:
r.append('Could not load directory: Permission denied')
ldir = []
else:
ldir = sorted(os.listdir(realdir), key=str.lower)
for f in ldir:
if f.startswith('.'): # do not display this file/folder
continue
ff = os.path.join(d, f)
if os.path.isdir(os.path.join(realdir, f)):
r.append('<li class="directory collapsed"><a href="#%s" rel="%s/">%s</a></li>' % (ff, ff, f))
r.append('</ul>')
except Exception as e:
r.append('Could not load directory: %s' % str(e))
r.append('</ul>')
return jsonify(result=''.join(r))
def getProjectList(folder):
"""Return the list of projet (folder) into the workspace
Agrs:
folder: path of the workspace
Returns:
a list that contains each folder name.
"""
project = []
project_list = sorted(os.listdir(folder), key=str.lower)
for elt in project_list:
if os.path.isdir(os.path.join(folder, elt)):
project.append(elt)
return project
def configNewSR(config, projectpath):
"""Configure a Software Release as current Software Release
Args:
config: slaprunner configuration
projectpath: path of the directory that contains the software realease to configure
Returns:
True if all is done well, otherwise return false.
"""
folder = realpath(config, projectpath)
if folder:
if isInstanceRunning():
killRunningProcess('slapgrid-cp')
if isSoftwareRunning():
killRunningProcess('slapgrid-sr')
stopProxy(config)
removeProxyDb(config)
startProxy(config)
removeInstanceRoot(config)
param_path = os.path.join(config['etc_dir'], ".parameter.xml")
if os.path.exists(param_path):
os.remove(param_path)
open(os.path.join(config['etc_dir'], ".project"), 'w').write(projectpath)
return True
else:
return False
def newSoftware(folder, config, session):
"""
Create a new Software Release folder with default profiles
Args:
folder: directory of the new software release
config: slraprunner configuration
session: Flask session directory"""
json = ""
code = 0
basedir = config['etc_dir']
try:
folderPath = realpath(config, folder, check_exist=False)
if folderPath and not os.path.exists(folderPath):
os.mkdir(folderPath)
#load software.cfg and instance.cfg from http://git.erp5.org
software = "http://git.erp5.org/gitweb/slapos.git/blob_plain/HEAD:/software/lamp-template/software.cfg"
softwareContent = ""
try:
softwareContent = urllib.urlopen(software).read()
except:
#Software.cfg and instance.cfg content will be empty
pass
open(os.path.join(folderPath, config['software_profile']), 'w').write(softwareContent)
open(os.path.join(folderPath, config['instance_profile']), 'w').write("")
open(os.path.join(basedir, ".project"), 'w').write(folder + "/")
#Clean sapproxy Database
stopProxy(config)
removeProxyDb(config)
startProxy(config)
#Stop runngin process and remove existing instance
removeInstanceRoot(config)
session['title'] = getProjectTitle(config)
code = 1
else:
json = "Bad folder or Directory '%s' already exist, please enter a new name for your software" % folder
except Exception as e:
json = "Can not create your software, please try again! : %s " % e
if os.path.exists(folderPath):
shutil.rmtree(folderPath)
return jsonify(code=code, result=json)
def checkSoftwareFolder(path, config):
"""Check id `path` is a valid Software Release folder"""
realdir = realpath(config, path)
if realdir and os.path.exists(os.path.join(realdir, config['software_profile'])):
return jsonify(result=path)
return jsonify(result="")
def getProjectTitle(config):
"""Generate the name of the current software Release (for slaprunner UI)"""
conf = os.path.join(config['etc_dir'], ".project")
if os.path.exists(conf):
project = open(conf, "r").read().split("/")
software = project[-2]
return '%s (%s)' % (software, '/'.join(project[:-2]))
return "No Profile"
def getSoftwareReleaseName(config):
"""Get the name of the current Software Release"""
sr_profile = os.path.join(config['etc_dir'], ".project")
if os.path.exists(sr_profile):
project = open(sr_profile, "r").read().split("/")
software = project[-2]
return software.replace(' ', '_')
return "No_name"
def removeSoftwareByName(config, md5, folderName):
"""Remove all content of the software release specified by md5
Args:
config: slaprunner configuration
foldername: the link name given to the software release
md5: the md5 filename given by slapgrid to SR folder"""
if isSoftwareRunning() or isInstanceRunning():
raise Exception("Software installation or instantiation in progress, cannot remove")
path = os.path.join(config['software_root'], md5)
linkpath = os.path.join(config['software_link'], folderName)
if not os.path.exists(path):
raise Exception("Cannot remove software Release: No such file or directory")
if not os.path.exists(linkpath):
raise Exception("Cannot remove software Release: No such file or directory %s" %
('software_root/' + folderName))
svcStopAll(config)
os.unlink(linkpath)
shutil.rmtree(path)
return loadSoftwareRList(config)
def tail(f, lines=20):
"""
Returns the last `lines` lines of file `f`. It is an implementation of tail -f n.
"""
BUFSIZ = 1024
f.seek(0, 2)
bytes = f.tell()
size = lines + 1
block = -1
data = []
while size > 0 and bytes > 0:
if bytes - BUFSIZ > 0:
# Seek back one whole BUFSIZ
f.seek(block * BUFSIZ, 2)
# read BUFFER
data.insert(0, f.read(BUFSIZ))
else:
# file too small, start from begining
f.seek(0, 0)
# only read what was not read
data.insert(0, f.read(bytes))
linesFound = data[0].count('\n')
size -= linesFound
bytes -= BUFSIZ
block -= 1
return '\n'.join(''.join(data).splitlines()[-lines:])
def readFileFrom(f, lastPosition, limit=20000):
"""
Returns the last lines of file `f`, from position lastPosition.
and the last position
limit = max number of characters to read
"""
BUFSIZ = 1024
f.seek(0, 2)
# XXX-Marco do now shadow 'bytes'
bytes = f.tell()
block = -1
data = ""
length = bytes
truncated = False # True if a part of log data has been truncated
if (lastPosition <= 0 and length > limit) or (length - lastPosition > limit):
lastPosition = length - limit
truncated = True
size = bytes - lastPosition
while bytes > lastPosition:
if abs(block * BUFSIZ) <= size:
# Seek back one whole BUFSIZ
f.seek(block * BUFSIZ, 2)
data = f.read(BUFSIZ) + data
else:
margin = abs(block * BUFSIZ) - size
if length < BUFSIZ:
f.seek(0, 0)
else:
seek = block * BUFSIZ + margin
f.seek(seek, 2)
data = f.read(BUFSIZ - margin) + data
bytes -= BUFSIZ
block -= 1
f.close()
return {
'content': data,
'position': length,
'truncated': truncated
}
def isText(file):
"""Return True if the mimetype of file is Text"""
if not os.path.exists(file):
return False
text_range = ''.join(map(chr, [7, 8, 9, 10, 12, 13, 27] + range(0x20, 0x100)))
is_binary_string = lambda bytes: bool(bytes.translate(None, text_range))
try:
return not is_binary_string(open(file).read(1024))
except:
return False
def md5sum(file):
"""Compute md5sum of `file` and return hexdigest value"""
# XXX-Marco: returning object or False boolean is an anti-pattern. better to return object or None
if os.path.isdir(file):
return False
try:
fh = open(file, 'rb')
m = md5.md5()
while True:
data = fh.read(8192)
if not data:
break
m.update(data)
return m.hexdigest()
except:
return False
def realpath(config, path, check_exist=True):
"""
Get realpath of path or return False if user is not allowed to access to
this file.
"""
split_path = path.split('/')
key = split_path[0]
allow_list = {
'software_root': config['software_root'],
'instance_root': config['instance_root'],
'workspace': config['workspace'],
'software_link': config['software_link']
}
if key not in allow_list:
return False
del split_path[0]
path = os.path.join(allow_list[key], *split_path)
if check_exist:
if os.path.exists(path):
return path
else:
return False
else:
return path
def readParameters(path):
"""Read Instance parameters stored into a local file.
Agrs:
path: path of the xml file that contains parameters
Return:
a dictionary of instance parameters."""
if os.path.exists(path):
try:
xmldoc = minidom.parse(path)
obj = {}
for elt in xmldoc.childNodes:
sub_obj = {}
for subnode in elt.childNodes:
if subnode.nodeType != subnode.TEXT_NODE:
sub_obj[str(subnode.getAttribute('id'))] = subnode.childNodes[0].data # .decode('utf-8').decode('utf-8')
obj[str(elt.tagName)] = sub_obj
return obj
except Exception, e:
return str(e)
else:
return "No such file or directory: %s" % path