def touch(remote_path, mtime=None, atime=None):
"""Update mtime and atime of a path.
Similar to running ``touch remote_path``.
:param remote_path: Remote path whose times will get updated.
:param mtime: New mtime. If ``None``, uses the current time.
:param atime: New atime. Only used if ``mtime`` is not None. Defaults to
``mtime``.
:return: Since it always updates the current time, calling this function
will always result in a modification.
"""
# ensure the file exists
if not remote.lstat(remote_path):
with remote.file(remote_path, 'w') as out:
out.write('')
if mtime is None:
remote.utime(remote_path, None)
return Changed(msg=u'Touched {} to current time'.format(remote_path))
else:
atime = atime if atime is not None else mtime
remote.utime(remote_path, (atime, mtime))
return Changed(msg=u'Touched {} to mtime={}, atime={}'.format(
remote_path, mtime, atime))
def touch(remote_path, mtime=None, atime=None):
"""Update mtime and atime of a path.
Similar to running ``touch remote_path``.
:param remote_path: Remote path whose times will get updated.
:param mtime: New mtime. If ``None``, uses the current time.
:param atime: New atime. Only used if ``mtime`` is not None. Defaults to
``mtime``.
:return: Since it always updates the current time, calling this function
will always result in a modification.
"""
# ensure the file exists
if not remote.lstat(remote_path):
with remote.file(remote_path, 'w') as out:
out.write('')
if mtime is None:
remote.utime(remote_path, None)
return Changed(msg=u'Touched {} to current time'.format(remote_path))
else:
atime = atime if atime is not None else mtime
remote.utime(remote_path, (atime, mtime))
return Changed(msg=u'Touched {} to mtime={}, atime={}'.format(
remote_path, mtime, atime))
def info_groups():
groups = OrderedDict()
for line in remote.file('/etc/group', 'r'):
g = GroupEntry(*line.split(':'))
user_list = [u for u in g[3].split(',') if u]
groups[g.name] = GroupEntry(g[0], g[1], int(g[2]), user_list)
return groups
def info_users():
users = OrderedDict()
for line in remote.file('/etc/passwd', 'r'):
u = PasswdEntry(*line.split(':'))
users[u.name] = PasswdEntry(u[0], u[1], int(u[2]), int(u[3]), u[4],
u[5], u[6])
return users
def info_users():
users = OrderedDict()
for line in remote.file('/etc/passwd', 'r'):
u = PasswdEntry(*line.split(':'))
users[u.name] = PasswdEntry(u[0], u[1], int(u[2]), int(u[3]), u[4],
u[5], u[6])
return users
def info_groups():
groups = OrderedDict()
for line in remote.file('/etc/group', 'r'):
g = GroupEntry(*line.split(':'))
user_list = [u for u in g[3].split(',') if u]
groups[g.name] = GroupEntry(g[0], g[1], int(g[2]), user_list)
return groups
def verify_buffer(self, st, buf, remote_path):
with remote.file(remote_path, 'rb') as rf:
# enable prefetching if files support it
# otherwise, performance is horrible (like disabled pipelining)
if hasattr(rf, 'prefetch'):
rf.prefetch()
rbuf = rf.read()
return rbuf == buf
def verify_buffer(self, st, buf, remote_path):
with remote.file(remote_path, 'rb') as rf:
# enable prefetching if files support it
# otherwise, performance is horrible (like disabled pipelining)
if hasattr(rf, 'prefetch'):
rf.prefetch()
rbuf = rf.read()
return rbuf == buf
def disable_raspi_config():
# FIXME: use fs.edit here
c = False
# we need to remove it from profile.d
c |= fs.remove_file('/etc/profile.d/raspi-config.sh').changed
# FIXME: this should become part of an edit module?
lines = []
inittab_changed = False
for line in remote.file('/etc/inittab', 'r'):
if line.startswith('#') and 'RPICFG_TO_ENABLE' in line:
inittab_changed = True
lines.append(line[1:line.rfind('#')].strip() + '\n')
continue
if 'RPICFG_TO_DISABLE' in line:
inittab_changed = True
continue
lines.append(line)
if inittab_changed:
# FIXME: DO THIS ATOMICALLY? Use UPLOAD?
with remote.file('/etc/inittab', 'w') as out:
out.write(''.join(lines))
c = True
# now just stop running raspi-config
_, _, status = proc.run(['killall', 'raspi-config'], status_ok=(0, 1))
# killall will return exit status 1 if not process was found
if status != 1:
c = True
if c:
return Changed(msg='Disabled raspi-config')
else:
return Unchanged(msg='raspi-config already stopped and disabled')
def info_modules():
mods = {}
with remote.file("/proc/modules") as pm:
for line in pm:
name, size, loaded, dependencies, state, offset = line.split()
deps = dependencies.strip(",").split(",") if dependencies != "-" else []
mods[name] = {
"name": name,
"size": int(size),
"loaded": int(loaded),
"dependencies": deps,
"state": state,
"offset": int(offset, 16),
}
return mods
def info_modules():
mods = {}
with remote.file('/proc/modules') as pm:
for line in pm:
name, size, loaded, dependencies, state, offset = line.split()
deps = dependencies.strip(',').split(
',') if dependencies != '-' else []
mods[name] = {
'name': name,
'size': int(size),
'loaded': int(loaded),
'dependencies': deps,
'state': state,
'offset': int(offset, 16),
}
return mods
def verify_file(self, st, local_path, remote_path):
with remote.file(remote_path, 'rb') as rf,\
file(local_path, 'rb') as lf:
# enable prefetching if files support it
# otherwise, performance is horrible (like disabled pipelining)
if hasattr(rf, 'prefetch'):
rf.prefetch()
bufsize = int(config['buffer_size'])
while True:
rbuf = rf.read(bufsize)
lbuf = lf.read(bufsize)
if rbuf != lbuf:
return False
# if both files end at the same time, we're good
if rbuf == lbuf == '':
return True
def verify_file(self, st, local_path, remote_path):
with remote.file(remote_path, 'rb') as rf,\
file(local_path, 'rb') as lf:
# enable prefetching if files support it
# otherwise, performance is horrible (like disabled pipelining)
if hasattr(rf, 'prefetch'):
rf.prefetch()
bufsize = int(config['buffer_size'])
while True:
rbuf = rf.read(bufsize)
lbuf = lf.read(bufsize)
if rbuf != lbuf:
return False
# if both files end at the same time, we're good
if rbuf == lbuf == '':
return True
def edit(remote_path, create=True):
with volatile.file() as tmp:
created = False
if create and not remote.lstat(remote_path):
tmp.write('')
created = True
else:
tmp.write(remote.file(remote_path, 'rb').read())
tmp.close()
try:
ef = EditableFile(tmp.name)
yield ef
except Exception:
raise
else:
if created or ef.modified:
upload_file(ef.name, remote_path).changed
ef.changed = True
else:
ef.changed = False
def edit(remote_path, create=True):
with volatile.file() as tmp:
created = False
if create and not remote.lstat(remote_path):
tmp.write('')
created = True
else:
tmp.write(remote.file(remote_path, 'rb').read())
tmp.close()
try:
ef = EditableFile(tmp.name)
yield ef
except Exception:
raise
else:
if created or ef.modified:
upload_file(ef.name, remote_path).changed
ef.changed = True
else:
ef.changed = False
def upload_file(self, local_path, remote_path):
with file(local_path, 'rb') as src,\
remote.file(remote_path, 'wb') as dst:
copyfileobj(src, dst)
def upload_file(self, local_path, remote_path):
with file(local_path, 'rb') as src,\
remote.file(remote_path, 'wb') as dst:
copyfileobj(src, dst)
def upload_buffer(self, buf, remote_path):
with remote.file(remote_path, 'wb') as dst:
dst.write(buf)
def upload_buffer(self, buf, remote_path):
with remote.file(remote_path, 'wb') as dst:
dst.write(buf)
def run():
log.warning('Running testing module. Do not run this on a real machine!')
log.debug('Testing popen')
proc = remote.popen(['uname'])
stdout, stderr = proc.communicate()
assert 'Linux' == stdout.strip()
log.debug('Testing getcwd()')
assert '/home/vagrant' == remote.getcwd()
log.debug('Testing chdir()')
remote.chdir('/')
assert '/' == remote.getcwd()
remote.chdir('/home/vagrant')
# create a sample file
TESTFN = 'testfile'
TESTDN = 'TESTDIR'
log.debug('Testing file')
with remote.file(TESTFN, mode='w') as out:
out.write('test')
log.debug('Testing chmod')
remote.chmod(TESTFN, 0732)
log.debug('Testing mkdir')
# FIXME: umask?
# FIXME: on exists/conflict?
remote.mkdir(TESTDN, 0700)
log.debug('Testing listdir')
assert TESTFN in remote.listdir('.')
assert TESTDN in remote.listdir('.')
log.debug('Testing rmdir')
remote.rmdir(TESTDN)
# FIXME: can't test chown without root access
log.debug('Testing normalize')
assert '/home' == remote.normalize('./..')
log.debug('Testing symlink')
remote.symlink('to', 'from')
log.debug('Testing lstat')
remote.lstat('from')
log.debug('Testing readlink')
assert remote.readlink('/home/vagrant/from') == 'to'
log.debug('Testing rename')
remote.rename('from', 'from2')
assert remote.readlink('/home/vagrant/from2') == 'to'
log.debug('Testing unlink')
remote.unlink('/home/vagrant/from2')
log.debug('Testing stat')
s = remote.stat(TESTFN)
assert s.st_uid == 1000
assert s.st_gid == 1000
remote.unlink(TESTFN)
