This reverts commit e152b277cf.
This commit is contained in:
Sam Doran
Brian Coca
parent
ee10551c7d
commit
023c5167fd
9 changed files with 224 additions and 362 deletions
|
|
@ -1,3 +0,0 @@
|
|||
bugfixes:
|
||||
- change file locking implementation from a class to context manager to allow easy and safe concurrent file access by modules
|
||||
- lineinfile - lock on concurrent file access (https://github.com/ansible/ansible/issues/30413)
|
||||
|
|
@ -1,21 +1,24 @@
|
|||
# -*- coding: utf-8 -*-
|
||||
|
||||
# Copyright: (c) 2018, Ansible Project
|
||||
# Copyright (c) 2018, Ansible Project
|
||||
# Simplified BSD License (see licenses/simplified_bsd.txt or https://opensource.org/licenses/BSD-2-Clause)
|
||||
|
||||
from __future__ import (absolute_import, division, print_function)
|
||||
__metaclass__ = type
|
||||
|
||||
import fcntl
|
||||
import errno
|
||||
import os
|
||||
import re
|
||||
import stat
|
||||
import sys
|
||||
import re
|
||||
import pwd
|
||||
import grp
|
||||
import time
|
||||
import shutil
|
||||
import traceback
|
||||
import fcntl
|
||||
import sys
|
||||
|
||||
from contextlib import contextmanager
|
||||
from ansible.module_utils._text import to_bytes
|
||||
from ansible.module_utils.six import PY3
|
||||
from ansible.module_utils._text import to_bytes, to_native, to_text
|
||||
from ansible.module_utils.six import b, binary_type
|
||||
|
||||
try:
|
||||
import selinux
|
||||
|
|
@ -59,13 +62,6 @@ _EXEC_PERM_BITS = 0o0111 # execute permission bits
|
|||
_DEFAULT_PERM = 0o0666 # default file permission bits
|
||||
|
||||
|
||||
# Ensure we use flock on e.g. FreeBSD, MacOSX and Solaris
|
||||
if sys.platform.startswith('linux'):
|
||||
filelock = fcntl.lockf
|
||||
else:
|
||||
filelock = fcntl.flock
|
||||
|
||||
|
||||
def is_executable(path):
|
||||
# This function's signature needs to be repeated
|
||||
# as the first line of its docstring.
|
||||
|
|
@ -118,88 +114,89 @@ class LockTimeout(Exception):
|
|||
pass
|
||||
|
||||
|
||||
# NOTE: Using the open_locked() context manager it is absolutely mandatory
|
||||
# to not open or close the same file within the existing context.
|
||||
# It is essential to reuse the returned file descriptor only.
|
||||
@contextmanager
|
||||
def open_locked(path, check_mode=False, lock_timeout=15):
|
||||
class FileLock:
|
||||
'''
|
||||
Context managed for opening files with lock acquisition
|
||||
|
||||
:kw path: Path (file) to lock
|
||||
:kw lock_timeout:
|
||||
Wait n seconds for lock acquisition, fail if timeout is reached.
|
||||
0 = Do not wait, fail if lock cannot be acquired immediately,
|
||||
Less than 0 or None = wait indefinitely until lock is released
|
||||
Default is wait 15s.
|
||||
:returns: file descriptor
|
||||
Currently FileLock is implemented via fcntl.flock on a lock file, however this
|
||||
behaviour may change in the future. Avoid mixing lock types fcntl.flock,
|
||||
fcntl.lockf and module_utils.common.file.FileLock as it will certainly cause
|
||||
unwanted and/or unexpected behaviour
|
||||
'''
|
||||
if check_mode:
|
||||
b_path = to_bytes(path, errors='surrogate_or_strict')
|
||||
fd = open(b_path, 'ab+')
|
||||
fd.seek(0) # Due to a difference in behavior between PY2 and PY3 we need to seek(0) on PY3
|
||||
else:
|
||||
fd = lock(path, check_mode, lock_timeout)
|
||||
yield fd
|
||||
fd.close()
|
||||
def __init__(self):
|
||||
self.lockfd = None
|
||||
|
||||
@contextmanager
|
||||
def lock_file(self, path, tmpdir, lock_timeout=None):
|
||||
'''
|
||||
Context for lock acquisition
|
||||
'''
|
||||
try:
|
||||
self.set_lock(path, tmpdir, lock_timeout)
|
||||
yield
|
||||
finally:
|
||||
self.unlock()
|
||||
|
||||
def lock(path, check_mode=False, lock_timeout=15):
|
||||
'''
|
||||
Set lock on given path via fcntl.flock(), note that using
|
||||
locks does not guarantee exclusiveness unless all accessing
|
||||
processes honor locks.
|
||||
def set_lock(self, path, tmpdir, lock_timeout=None):
|
||||
'''
|
||||
Create a lock file based on path with flock to prevent other processes
|
||||
using given path.
|
||||
Please note that currently file locking only works when it's executed by
|
||||
the same user, I.E single user scenarios
|
||||
|
||||
:kw path: Path (file) to lock
|
||||
:kw lock_timeout:
|
||||
Wait n seconds for lock acquisition, fail if timeout is reached.
|
||||
0 = Do not wait, fail if lock cannot be acquired immediately,
|
||||
Less than 0 or None = wait indefinitely until lock is released
|
||||
Default is wait 15s.
|
||||
:returns: file descriptor
|
||||
'''
|
||||
b_path = to_bytes(path, errors='surrogate_or_strict')
|
||||
wait = 0.1
|
||||
:kw path: Path (file) to lock
|
||||
:kw tmpdir: Path where to place the temporary .lock file
|
||||
:kw lock_timeout:
|
||||
Wait n seconds for lock acquisition, fail if timeout is reached.
|
||||
0 = Do not wait, fail if lock cannot be acquired immediately,
|
||||
Default is None, wait indefinitely until lock is released.
|
||||
:returns: True
|
||||
'''
|
||||
lock_path = os.path.join(tmpdir, 'ansible-{0}.lock'.format(os.path.basename(path)))
|
||||
l_wait = 0.1
|
||||
r_exception = IOError
|
||||
if sys.version_info[0] == 3:
|
||||
r_exception = BlockingIOError
|
||||
|
||||
lock_exception = IOError
|
||||
if PY3:
|
||||
lock_exception = OSError
|
||||
self.lockfd = open(lock_path, 'w')
|
||||
|
||||
if not os.path.exists(b_path):
|
||||
raise IOError('{0} does not exist'.format(path))
|
||||
if lock_timeout <= 0:
|
||||
fcntl.flock(self.lockfd, fcntl.LOCK_EX | fcntl.LOCK_NB)
|
||||
os.chmod(lock_path, stat.S_IWRITE | stat.S_IREAD)
|
||||
return True
|
||||
|
||||
if lock_timeout is None or lock_timeout < 0:
|
||||
fd = open(b_path, 'ab+')
|
||||
fd.seek(0) # Due to a difference in behavior between PY2 and PY3 we need to seek(0) on PY3
|
||||
filelock(fd, fcntl.LOCK_EX)
|
||||
return fd
|
||||
if lock_timeout:
|
||||
e_secs = 0
|
||||
while e_secs < lock_timeout:
|
||||
try:
|
||||
fcntl.flock(self.lockfd, fcntl.LOCK_EX | fcntl.LOCK_NB)
|
||||
os.chmod(lock_path, stat.S_IWRITE | stat.S_IREAD)
|
||||
return True
|
||||
except r_exception:
|
||||
time.sleep(l_wait)
|
||||
e_secs += l_wait
|
||||
continue
|
||||
|
||||
if lock_timeout >= 0:
|
||||
total_wait = 0
|
||||
while total_wait <= lock_timeout:
|
||||
fd = open(b_path, 'ab+')
|
||||
fd.seek(0) # Due to a difference in behavior between PY2 and PY3 we need to seek(0) on PY3
|
||||
try:
|
||||
filelock(fd, fcntl.LOCK_EX | fcntl.LOCK_NB)
|
||||
return fd
|
||||
except lock_exception:
|
||||
fd.close()
|
||||
time.sleep(wait)
|
||||
total_wait += wait
|
||||
continue
|
||||
self.lockfd.close()
|
||||
raise LockTimeout('{0} sec'.format(lock_timeout))
|
||||
|
||||
fd.close()
|
||||
raise LockTimeout('Waited {0} seconds for lock on {1}'.format(total_wait, path))
|
||||
fcntl.flock(self.lockfd, fcntl.LOCK_EX)
|
||||
os.chmod(lock_path, stat.S_IWRITE | stat.S_IREAD)
|
||||
|
||||
return True
|
||||
|
||||
def unlock(fd):
|
||||
'''
|
||||
Make sure lock file is available for everyone and Unlock the file descriptor
|
||||
locked by set_lock
|
||||
def unlock(self):
|
||||
'''
|
||||
Make sure lock file is available for everyone and Unlock the file descriptor
|
||||
locked by set_lock
|
||||
|
||||
:kw fd: File descriptor of file to unlock
|
||||
'''
|
||||
try:
|
||||
filelock(fd, fcntl.LOCK_UN)
|
||||
except ValueError: # File was not opened, let context manager fail gracefully
|
||||
pass
|
||||
:returns: True
|
||||
'''
|
||||
if not self.lockfd:
|
||||
return True
|
||||
|
||||
try:
|
||||
fcntl.flock(self.lockfd, fcntl.LOCK_UN)
|
||||
self.lockfd.close()
|
||||
except ValueError: # file wasn't opened, let context manager fail gracefully
|
||||
pass
|
||||
|
||||
return True
|
||||
|
|
|
|||
|
|
@ -184,13 +184,6 @@ EXAMPLES = r'''
|
|||
line: 192.168.1.99 foo.lab.net foo
|
||||
create: yes
|
||||
|
||||
# Fully quoted because of the ': ' on the line. See the Gotchas in the YAML docs.
|
||||
- lineinfile:
|
||||
path: /etc/sudoers
|
||||
state: present
|
||||
regexp: '^%wheel\s'
|
||||
line: '%wheel ALL=(ALL) NOPASSWD: ALL'
|
||||
|
||||
# NOTE: Yaml requires escaping backslashes in double quotes but not in single quotes
|
||||
- name: Ensure the JBoss memory settings are exactly as needed
|
||||
lineinfile:
|
||||
|
|
@ -215,7 +208,6 @@ import tempfile
|
|||
|
||||
# import module snippets
|
||||
from ansible.module_utils.basic import AnsibleModule
|
||||
from ansible.module_utils.common.file import open_locked
|
||||
from ansible.module_utils.six import b
|
||||
from ansible.module_utils._text import to_bytes, to_native
|
||||
|
||||
|
|
@ -273,148 +265,141 @@ def present(module, dest, regexp, line, insertafter, insertbefore, create,
|
|||
os.makedirs(b_destpath)
|
||||
except Exception as e:
|
||||
module.fail_json(msg='Error creating %s Error code: %s Error description: %s' % (b_destpath, e[0], e[1]))
|
||||
# destination must exist to be able to lock it
|
||||
if not module.check_mode:
|
||||
open(b_dest, 'ab').close()
|
||||
|
||||
b_lines = []
|
||||
else:
|
||||
b_lines = None
|
||||
with open(b_dest, 'rb') as f:
|
||||
b_lines = f.readlines()
|
||||
|
||||
# NOTE: Avoid opening the same file in this context !
|
||||
with open_locked(dest, module.check_mode) as fd:
|
||||
if b_lines is None:
|
||||
b_lines = fd.readlines()
|
||||
if module._diff:
|
||||
diff['before'] = to_native(b('').join(b_lines))
|
||||
|
||||
if module._diff:
|
||||
diff['before'] = to_native(b('').join(b_lines))
|
||||
if regexp is not None:
|
||||
bre_m = re.compile(to_bytes(regexp, errors='surrogate_or_strict'))
|
||||
|
||||
if insertafter not in (None, 'BOF', 'EOF'):
|
||||
bre_ins = re.compile(to_bytes(insertafter, errors='surrogate_or_strict'))
|
||||
elif insertbefore not in (None, 'BOF'):
|
||||
bre_ins = re.compile(to_bytes(insertbefore, errors='surrogate_or_strict'))
|
||||
else:
|
||||
bre_ins = None
|
||||
|
||||
# index[0] is the line num where regexp has been found
|
||||
# index[1] is the line num where insertafter/inserbefore has been found
|
||||
index = [-1, -1]
|
||||
m = None
|
||||
b_line = to_bytes(line, errors='surrogate_or_strict')
|
||||
for lineno, b_cur_line in enumerate(b_lines):
|
||||
if regexp is not None:
|
||||
bre_m = re.compile(to_bytes(regexp, errors='surrogate_or_strict'))
|
||||
|
||||
if insertafter not in (None, 'BOF', 'EOF'):
|
||||
bre_ins = re.compile(to_bytes(insertafter, errors='surrogate_or_strict'))
|
||||
elif insertbefore not in (None, 'BOF'):
|
||||
bre_ins = re.compile(to_bytes(insertbefore, errors='surrogate_or_strict'))
|
||||
match_found = bre_m.search(b_cur_line)
|
||||
else:
|
||||
bre_ins = None
|
||||
match_found = b_line == b_cur_line.rstrip(b('\r\n'))
|
||||
if match_found:
|
||||
index[0] = lineno
|
||||
m = match_found
|
||||
elif bre_ins is not None and bre_ins.search(b_cur_line):
|
||||
if insertafter:
|
||||
# + 1 for the next line
|
||||
index[1] = lineno + 1
|
||||
if firstmatch:
|
||||
break
|
||||
if insertbefore:
|
||||
# index[1] for the previous line
|
||||
index[1] = lineno
|
||||
if firstmatch:
|
||||
break
|
||||
|
||||
# index[0] is the line num where regexp has been found
|
||||
# index[1] is the line num where insertafter/inserbefore has been found
|
||||
index = [-1, -1]
|
||||
m = None
|
||||
b_line = to_bytes(line, errors='surrogate_or_strict')
|
||||
for lineno, b_cur_line in enumerate(b_lines):
|
||||
if regexp is not None:
|
||||
match_found = bre_m.search(b_cur_line)
|
||||
else:
|
||||
match_found = b_line == b_cur_line.rstrip(b('\r\n'))
|
||||
if match_found:
|
||||
index[0] = lineno
|
||||
m = match_found
|
||||
elif bre_ins is not None and bre_ins.search(b_cur_line):
|
||||
if insertafter:
|
||||
# + 1 for the next line
|
||||
index[1] = lineno + 1
|
||||
if firstmatch:
|
||||
break
|
||||
if insertbefore:
|
||||
# index[1] for the previous line
|
||||
index[1] = lineno
|
||||
if firstmatch:
|
||||
break
|
||||
msg = ''
|
||||
changed = False
|
||||
b_linesep = to_bytes(os.linesep, errors='surrogate_or_strict')
|
||||
# Exact line or Regexp matched a line in the file
|
||||
if index[0] != -1:
|
||||
if backrefs:
|
||||
b_new_line = m.expand(b_line)
|
||||
else:
|
||||
# Don't do backref expansion if not asked.
|
||||
b_new_line = b_line
|
||||
|
||||
msg = ''
|
||||
changed = False
|
||||
b_linesep = to_bytes(os.linesep, errors='surrogate_or_strict')
|
||||
# Exact line or Regexp matched a line in the file
|
||||
if index[0] != -1:
|
||||
if backrefs:
|
||||
b_new_line = m.expand(b_line)
|
||||
else:
|
||||
# Don't do backref expansion if not asked.
|
||||
b_new_line = b_line
|
||||
if not b_new_line.endswith(b_linesep):
|
||||
b_new_line += b_linesep
|
||||
|
||||
if not b_new_line.endswith(b_linesep):
|
||||
b_new_line += b_linesep
|
||||
# If no regexp was given and no line match is found anywhere in the file,
|
||||
# insert the line appropriately if using insertbefore or insertafter
|
||||
if regexp is None and m is None:
|
||||
|
||||
# If no regexp was given and no line match is found anywhere in the file,
|
||||
# insert the line appropriately if using insertbefore or insertafter
|
||||
if regexp is None and m is None:
|
||||
# Insert lines
|
||||
if insertafter and insertafter != 'EOF':
|
||||
# Ensure there is a line separator after the found string
|
||||
# at the end of the file.
|
||||
if b_lines and not b_lines[-1][-1:] in (b('\n'), b('\r')):
|
||||
b_lines[-1] = b_lines[-1] + b_linesep
|
||||
|
||||
# Insert lines
|
||||
if insertafter and insertafter != 'EOF':
|
||||
# Ensure there is a line separator after the found string
|
||||
# at the end of the file.
|
||||
if b_lines and not b_lines[-1][-1:] in (b('\n'), b('\r')):
|
||||
b_lines[-1] = b_lines[-1] + b_linesep
|
||||
# If the line to insert after is at the end of the file
|
||||
# use the appropriate index value.
|
||||
if len(b_lines) == index[1]:
|
||||
if b_lines[index[1] - 1].rstrip(b('\r\n')) != b_line:
|
||||
b_lines.append(b_line + b_linesep)
|
||||
msg = 'line added'
|
||||
changed = True
|
||||
elif b_lines[index[1]].rstrip(b('\r\n')) != b_line:
|
||||
b_lines.insert(index[1], b_line + b_linesep)
|
||||
msg = 'line added'
|
||||
changed = True
|
||||
|
||||
# If the line to insert after is at the end of the file
|
||||
# use the appropriate index value.
|
||||
if len(b_lines) == index[1]:
|
||||
if b_lines[index[1] - 1].rstrip(b('\r\n')) != b_line:
|
||||
b_lines.append(b_line + b_linesep)
|
||||
msg = 'line added'
|
||||
changed = True
|
||||
elif b_lines[index[1]].rstrip(b('\r\n')) != b_line:
|
||||
elif insertbefore and insertbefore != 'BOF':
|
||||
# If the line to insert before is at the beginning of the file
|
||||
# use the appropriate index value.
|
||||
if index[1] <= 0:
|
||||
if b_lines[index[1]].rstrip(b('\r\n')) != b_line:
|
||||
b_lines.insert(index[1], b_line + b_linesep)
|
||||
msg = 'line added'
|
||||
changed = True
|
||||
|
||||
elif insertbefore and insertbefore != 'BOF':
|
||||
# If the line to insert before is at the beginning of the file
|
||||
# use the appropriate index value.
|
||||
if index[1] <= 0:
|
||||
if b_lines[index[1]].rstrip(b('\r\n')) != b_line:
|
||||
b_lines.insert(index[1], b_line + b_linesep)
|
||||
msg = 'line added'
|
||||
changed = True
|
||||
elif b_lines[index[1] - 1].rstrip(b('\r\n')) != b_line:
|
||||
b_lines.insert(index[1], b_line + b_linesep)
|
||||
msg = 'line added'
|
||||
changed = True
|
||||
|
||||
elif b_lines[index[1] - 1].rstrip(b('\r\n')) != b_line:
|
||||
b_lines.insert(index[1], b_line + b_linesep)
|
||||
msg = 'line added'
|
||||
changed = True
|
||||
|
||||
elif b_lines[index[0]] != b_new_line:
|
||||
b_lines[index[0]] = b_new_line
|
||||
msg = 'line replaced'
|
||||
changed = True
|
||||
|
||||
elif backrefs:
|
||||
# Do absolutely nothing, since it's not safe generating the line
|
||||
# without the regexp matching to populate the backrefs.
|
||||
pass
|
||||
# Add it to the beginning of the file
|
||||
elif insertbefore == 'BOF' or insertafter == 'BOF':
|
||||
b_lines.insert(0, b_line + b_linesep)
|
||||
msg = 'line added'
|
||||
changed = True
|
||||
# Add it to the end of the file if requested or
|
||||
# if insertafter/insertbefore didn't match anything
|
||||
# (so default behaviour is to add at the end)
|
||||
elif insertafter == 'EOF' or index[1] == -1:
|
||||
|
||||
# If the file is not empty then ensure there's a newline before the added line
|
||||
if b_lines and not b_lines[-1][-1:] in (b('\n'), b('\r')):
|
||||
b_lines.append(b_linesep)
|
||||
|
||||
b_lines.append(b_line + b_linesep)
|
||||
msg = 'line added'
|
||||
changed = True
|
||||
# insert matched, but not the regexp
|
||||
else:
|
||||
b_lines.insert(index[1], b_line + b_linesep)
|
||||
msg = 'line added'
|
||||
elif b_lines[index[0]] != b_new_line:
|
||||
b_lines[index[0]] = b_new_line
|
||||
msg = 'line replaced'
|
||||
changed = True
|
||||
|
||||
if module._diff:
|
||||
diff['after'] = to_native(b('').join(b_lines))
|
||||
elif backrefs:
|
||||
# Do absolutely nothing, since it's not safe generating the line
|
||||
# without the regexp matching to populate the backrefs.
|
||||
pass
|
||||
# Add it to the beginning of the file
|
||||
elif insertbefore == 'BOF' or insertafter == 'BOF':
|
||||
b_lines.insert(0, b_line + b_linesep)
|
||||
msg = 'line added'
|
||||
changed = True
|
||||
# Add it to the end of the file if requested or
|
||||
# if insertafter/insertbefore didn't match anything
|
||||
# (so default behaviour is to add at the end)
|
||||
elif insertafter == 'EOF' or index[1] == -1:
|
||||
|
||||
backupdest = ""
|
||||
if changed and not module.check_mode:
|
||||
if backup and os.path.exists(b_dest):
|
||||
backupdest = module.backup_local(dest)
|
||||
write_changes(module, b_lines, dest)
|
||||
# If the file is not empty then ensure there's a newline before the added line
|
||||
if b_lines and not b_lines[-1][-1:] in (b('\n'), b('\r')):
|
||||
b_lines.append(b_linesep)
|
||||
|
||||
b_lines.append(b_line + b_linesep)
|
||||
msg = 'line added'
|
||||
changed = True
|
||||
# insert matched, but not the regexp
|
||||
else:
|
||||
b_lines.insert(index[1], b_line + b_linesep)
|
||||
msg = 'line added'
|
||||
changed = True
|
||||
|
||||
if module._diff:
|
||||
diff['after'] = to_native(b('').join(b_lines))
|
||||
|
||||
backupdest = ""
|
||||
if changed and not module.check_mode:
|
||||
if backup and os.path.exists(b_dest):
|
||||
backupdest = module.backup_local(dest)
|
||||
write_changes(module, b_lines, dest)
|
||||
|
||||
if module.check_mode and not os.path.exists(b_dest):
|
||||
module.exit_json(changed=changed, msg=msg, backup=backupdest, diff=diff)
|
||||
|
|
@ -441,39 +426,38 @@ def absent(module, dest, regexp, line, backup):
|
|||
'before_header': '%s (content)' % dest,
|
||||
'after_header': '%s (content)' % dest}
|
||||
|
||||
# NOTE: Avoid opening the same file in this context !
|
||||
with open_locked(dest, module.check_mode) as fd:
|
||||
b_lines = fd.readlines()
|
||||
with open(b_dest, 'rb') as f:
|
||||
b_lines = f.readlines()
|
||||
|
||||
if module._diff:
|
||||
diff['before'] = to_native(b('').join(b_lines))
|
||||
if module._diff:
|
||||
diff['before'] = to_native(b('').join(b_lines))
|
||||
|
||||
if regexp is not None:
|
||||
bre_c = re.compile(to_bytes(regexp, errors='surrogate_or_strict'))
|
||||
found = []
|
||||
|
||||
b_line = to_bytes(line, errors='surrogate_or_strict')
|
||||
|
||||
def matcher(b_cur_line):
|
||||
if regexp is not None:
|
||||
bre_c = re.compile(to_bytes(regexp, errors='surrogate_or_strict'))
|
||||
found = []
|
||||
match_found = bre_c.search(b_cur_line)
|
||||
else:
|
||||
match_found = b_line == b_cur_line.rstrip(b('\r\n'))
|
||||
if match_found:
|
||||
found.append(b_cur_line)
|
||||
return not match_found
|
||||
|
||||
b_line = to_bytes(line, errors='surrogate_or_strict')
|
||||
b_lines = [l for l in b_lines if matcher(l)]
|
||||
changed = len(found) > 0
|
||||
|
||||
def matcher(b_cur_line):
|
||||
if regexp is not None:
|
||||
match_found = bre_c.search(b_cur_line)
|
||||
else:
|
||||
match_found = b_line == b_cur_line.rstrip(b('\r\n'))
|
||||
if match_found:
|
||||
found.append(b_cur_line)
|
||||
return not match_found
|
||||
if module._diff:
|
||||
diff['after'] = to_native(b('').join(b_lines))
|
||||
|
||||
b_lines = [l for l in b_lines if matcher(l)]
|
||||
changed = len(found) > 0
|
||||
|
||||
if module._diff:
|
||||
diff['after'] = to_native(b('').join(b_lines))
|
||||
|
||||
backupdest = ""
|
||||
if changed and not module.check_mode:
|
||||
if backup:
|
||||
backupdest = module.backup_local(dest)
|
||||
write_changes(module, b_lines, dest)
|
||||
backupdest = ""
|
||||
if changed and not module.check_mode:
|
||||
if backup:
|
||||
backupdest = module.backup_local(dest)
|
||||
write_changes(module, b_lines, dest)
|
||||
|
||||
if changed:
|
||||
msg = "%s line(s) removed" % len(found)
|
||||
|
|
|
|||
|
|
@ -84,6 +84,7 @@ import re
|
|||
import tempfile
|
||||
|
||||
from ansible.module_utils.basic import AnsibleModule
|
||||
from ansible.module_utils.common.file import FileLock
|
||||
from ansible.module_utils._text import to_bytes, to_native
|
||||
|
||||
|
||||
|
|
|
|||
|
|
@ -1 +0,0 @@
|
|||
shippable/posix/group2
|
||||
|
|
@ -1,2 +0,0 @@
|
|||
[lockhosts]
|
||||
lockhost[00:99] ansible_connection=local ansible_python_interpreter="{{ ansible_playbook_python }}"
|
||||
|
|
@ -1,6 +0,0 @@
|
|||
#!/usr/bin/env bash
|
||||
|
||||
set -eux
|
||||
|
||||
ansible-playbook test_filelock.yml -i inventory --forks 10 --diff -v "$@"
|
||||
ansible-playbook test_filelock_timeout.yml -i inventory --diff -v "$@"
|
||||
|
|
@ -1,45 +0,0 @@
|
|||
---
|
||||
- hosts: lockhosts
|
||||
gather_facts: no
|
||||
vars:
|
||||
lockfile: ~/ansible_testing/lock.test
|
||||
tasks:
|
||||
- name: Remove lockfile
|
||||
file:
|
||||
path: '{{ lockfile }}'
|
||||
state: absent
|
||||
run_once: yes
|
||||
|
||||
- name: Write inventory_hostname to lockfile concurrently
|
||||
lineinfile:
|
||||
path: '{{ lockfile }}'
|
||||
line: '{{ inventory_hostname }}'
|
||||
create: yes
|
||||
state: present
|
||||
|
||||
- debug:
|
||||
msg: File {{ lockfile }} has {{ lines|length }} lines for {{ ansible_play_batch|length }} instances
|
||||
vars:
|
||||
lines: "{{ lookup('file', lockfile).split('\n') }}"
|
||||
run_once: yes
|
||||
|
||||
- name: Assert we get the expected number of lines
|
||||
assert:
|
||||
that:
|
||||
- lines|length == ansible_play_batch|length
|
||||
vars:
|
||||
lines: "{{ lookup('file', lockfile).split('\n') }}"
|
||||
run_once: yes
|
||||
|
||||
- name: Check lockfile for inventory_hostname entries
|
||||
lineinfile:
|
||||
path: '{{ lockfile }}'
|
||||
line: '{{ inventory_hostname }}'
|
||||
state: present
|
||||
register: check_lockfile
|
||||
|
||||
- name: Assert locking results
|
||||
assert:
|
||||
that:
|
||||
- check_lockfile is not changed
|
||||
- check_lockfile is not failed
|
||||
|
|
@ -1,63 +0,0 @@
|
|||
---
|
||||
- hosts: lockhost00
|
||||
vars:
|
||||
lockfile: ~/ansible_testing/lock_timeout.test
|
||||
gather_facts: no
|
||||
tasks:
|
||||
- name: Remove lockfile
|
||||
file:
|
||||
path: '{{ lockfile }}'
|
||||
state: absent
|
||||
run_once: yes
|
||||
|
||||
- name: Create lockfile
|
||||
lineinfile:
|
||||
line: '{{ inventory_hostname }}'
|
||||
path: '{{ lockfile }}'
|
||||
state: present
|
||||
create: yes
|
||||
|
||||
- name: Lock lockfile with lockf and sleep 20s
|
||||
command: python
|
||||
args:
|
||||
stdin: |
|
||||
import time
|
||||
from ansible.module_utils.common.file import open_locked
|
||||
with open_locked('{{ lockfile | expanduser }}') as fd:
|
||||
time.sleep(20)
|
||||
async: 60
|
||||
poll: 0
|
||||
register: flock_waiter
|
||||
|
||||
- name: Remove inventory_hostname line from lockfile
|
||||
lineinfile:
|
||||
path: '{{ lockfile }}'
|
||||
line: '{{ inventory_hostname }}'
|
||||
state: absent
|
||||
ignore_errors: yes
|
||||
register: rm_line
|
||||
|
||||
- name: Assert that removal of inventory_hostname from lockfile failed
|
||||
assert:
|
||||
that:
|
||||
- rm_line is failed
|
||||
|
||||
- name: Wait for flock job to finish
|
||||
async_status:
|
||||
jid: '{{ flock_waiter.ansible_job_id }}'
|
||||
register: job_result
|
||||
until: job_result.finished
|
||||
retries: 30
|
||||
|
||||
- name: Inventory_hostname in lockfile
|
||||
lineinfile:
|
||||
path: '{{ lockfile }}'
|
||||
line: '{{ inventory_hostname }}'
|
||||
state: present
|
||||
register: check_line
|
||||
|
||||
- name: Assert that lockfile is unchanged
|
||||
assert:
|
||||
that:
|
||||
- check_line is not changed
|
||||
- check_line is not failed
|
||||
Loading…
Reference in a new issue