def setUserSshKey(self, username, key, **kwargs):
childpid = self._prepareChroot(kwargs.get("root", iutil.getSysroot()))
if childpid == 0:
user = self.admin.lookupUserByName(username)
if not user:
log.error("setUserSshKey: user %s does not exist", username)
os._exit(1)
homedir = user.get(libuser.HOMEDIRECTORY)[0]
if not os.path.exists(homedir):
log.error("setUserSshKey: home directory for %s does not exist", username)
os._exit(1)
sshdir = os.path.join(homedir, ".ssh")
if not os.path.isdir(sshdir):
os.mkdir(sshdir, 0o700)
iutil.eintr_retry_call(os.chown, sshdir, user.get(libuser.UIDNUMBER)[0], user.get(libuser.GIDNUMBER)[0])
authfile = os.path.join(sshdir, "authorized_keys")
authfile_existed = os.path.exists(authfile)
with iutil.open_with_perm(authfile, "a", 0o600) as f:
f.write(key + "\n")
# Only change ownership if we created it
if not authfile_existed:
iutil.eintr_retry_call(os.chown, authfile, user.get(libuser.UIDNUMBER)[0], user.get(libuser.GIDNUMBER)[0])
iutil.execWithRedirect("restorecon", ["-r", sshdir])
os._exit(0)
else:
return self._finishChroot(childpid)
def runDebug(self, exc_info):
if flags.can_touch_runtime_system("switch console") \
and self._intf_tty_num != 1:
iutil.vtActivate(1)
iutil.eintr_retry_call(os.open, "/dev/console",
os.O_RDWR) # reclaim stdin
iutil.eintr_ignore(os.dup2, 0, 1) # reclaim stdout
iutil.eintr_ignore(os.dup2, 0, 2) # reclaim stderr
# ^
# |
# +------ dup2 is magic, I tells ya!
# bring back the echo
import termios
si = sys.stdin.fileno()
attr = termios.tcgetattr(si)
attr[3] = attr[3] & termios.ECHO
termios.tcsetattr(si, termios.TCSADRAIN, attr)
print("\nEntering debugger...")
print("Use 'continue' command to quit the debugger and get back to "\
"the main window")
import pdb
pdb.post_mortem(exc_info.stack)
if flags.can_touch_runtime_system("switch console") \
and self._intf_tty_num != 1:
iutil.vtActivate(self._intf_tty_num)
def runDebug(self, exc_info):
if flags.can_touch_runtime_system("switch console") and self._intf_tty_num != 1:
iutil.vtActivate(1)
iutil.eintr_retry_call(os.open, "/dev/console", os.O_RDWR) # reclaim stdin
iutil.eintr_ignore(os.dup2, 0, 1) # reclaim stdout
iutil.eintr_ignore(os.dup2, 0, 2) # reclaim stderr
# ^
# |
# +------ dup2 is magic, I tells ya!
# bring back the echo
import termios
si = sys.stdin.fileno()
attr = termios.tcgetattr(si)
attr[3] = attr[3] & termios.ECHO
termios.tcsetattr(si, termios.TCSADRAIN, attr)
print("\nEntering debugger...")
print("Use 'continue' command to quit the debugger and get back to " "the main window")
import pdb
pdb.post_mortem(exc_info.stack)
if flags.can_touch_runtime_system("switch console") and self._intf_tty_num != 1:
iutil.vtActivate(self._intf_tty_num)
def setUserSshKey(self, username, key, **kwargs):
root = kwargs.get("root", iutil.getSysroot())
pwent = self._getpwnam(username, root)
if not pwent:
raise ValueError("setUserSshKey: user %s does not exist" %
username)
homedir = root + pwent[5]
if not os.path.exists(homedir):
log.error("setUserSshKey: home directory for %s does not exist",
username)
raise ValueError(
"setUserSshKey: home directory for %s does not exist" %
username)
uid = pwent[2]
gid = pwent[3]
sshdir = os.path.join(homedir, ".ssh")
if not os.path.isdir(sshdir):
os.mkdir(sshdir, 0o700)
iutil.eintr_retry_call(os.chown, sshdir, int(uid), int(gid))
authfile = os.path.join(sshdir, "authorized_keys")
authfile_existed = os.path.exists(authfile)
with iutil.open_with_perm(authfile, "a", 0o600) as f:
f.write(key + "\n")
# Only change ownership if we created it
if not authfile_existed:
iutil.eintr_retry_call(os.chown, authfile, int(uid), int(gid))
iutil.execWithRedirect("restorecon", ["-r", sshdir])
def write(self, filename=None, use_tmp=True):
""" passing filename will override the filename passed to init.
"""
filename = filename or self.filename
if not filename:
return None
if use_tmp:
tmpf = tempfile.NamedTemporaryFile(mode="w", delete=False)
tmpf.write(str(self))
tmpf.close()
# Move the temporary file (with 0600 permissions) over the top of the
# original and preserve the original's permissions
filename = os.path.realpath(filename)
if os.path.exists(filename):
m = os.stat(filename).st_mode
else:
m = int('0100644', 8)
shutil.move(tmpf.name, filename)
eintr_retry_call(os.chmod, filename, m)
else:
# write directly to the file
with open(filename, "w") as fobj:
fobj.write(str(self))
def write(self, filename=None, use_tmp=True):
""" passing filename will override the filename passed to init.
"""
filename = filename or self.filename
if not filename:
return None
if use_tmp:
tmpf = tempfile.NamedTemporaryFile(mode="w", delete=False)
tmpf.write(str(self))
tmpf.close()
# Move the temporary file (with 0600 permissions) over the top of the
# original and preserve the original's permissions
filename = os.path.realpath(filename)
if os.path.exists(filename):
m = os.stat(filename).st_mode
else:
m = int('0100644', 8)
shutil.move(tmpf.name, filename)
eintr_retry_call(os.chmod, filename, m)
else:
# write directly to the file
with open(filename, "w") as fobj:
fobj.write(str(self))
def dumpState(self):
from meh import ExceptionInfo
from meh.dump import ReverseExceptionDump
from inspect import stack as _stack
from traceback import format_stack
# Skip the frames for dumpState and the signal handler.
stack = _stack()[2:]
stack.reverse()
exn = ReverseExceptionDump(ExceptionInfo(None, None, stack),
self.mehConfig)
# gather up info on the running threads
threads = "\nThreads\n-------\n"
# Every call to sys._current_frames() returns a new dict, so it is not
# modified when threads are created or destroyed. Iterating over it is
# thread safe.
for thread_id, frame in sys._current_frames().items():
threads += "\nThread %s\n" % (thread_id, )
threads += "".join(format_stack(frame))
# dump to a unique file
(fd, filename) = mkstemp(prefix="anaconda-tb-", dir="/tmp")
dump_text = exn.traceback_and_object_dump(self)
dump_text += threads
dump_text_bytes = dump_text.encode("utf-8")
iutil.eintr_retry_call(os.write, fd, dump_text_bytes)
iutil.eintr_ignore(os.close, fd)
# append to a given file
with open("/tmp/anaconda-tb-all.log", "a+") as f:
f.write("--- traceback: %s ---\n" % filename)
f.write(dump_text + "\n")
def setUserSshKey(self, username, key, **kwargs):
root = kwargs.get("root", iutil.getSysroot())
pwent = self._getpwnam(username, root)
if not pwent:
raise ValueError("setUserSshKey: user %s does not exist" % username)
homedir = root + pwent[5]
if not os.path.exists(homedir):
log.error("setUserSshKey: home directory for %s does not exist", username)
raise ValueError("setUserSshKey: home directory for %s does not exist" % username)
uid = pwent[2]
gid = pwent[3]
sshdir = os.path.join(homedir, ".ssh")
if not os.path.isdir(sshdir):
os.mkdir(sshdir, 0o700)
iutil.eintr_retry_call(os.chown, sshdir, int(uid), int(gid))
authfile = os.path.join(sshdir, "authorized_keys")
authfile_existed = os.path.exists(authfile)
with iutil.open_with_perm(authfile, "a", 0o600) as f:
f.write(key + "\n")
# Only change ownership if we created it
if not authfile_existed:
iutil.eintr_retry_call(os.chown, authfile, int(uid), int(gid))
iutil.execWithRedirect("restorecon", ["-r", sshdir])
def dumpState(self):
from meh import ExceptionInfo
from meh.dump import ReverseExceptionDump
from inspect import stack as _stack
from traceback import format_stack
# Skip the frames for dumpState and the signal handler.
stack = _stack()[2:]
stack.reverse()
exn = ReverseExceptionDump(ExceptionInfo(None, None, stack),
self.mehConfig)
# gather up info on the running threads
threads = "\nThreads\n-------\n"
for thread_id, frame in sys._current_frames().items():
threads += "\nThread %s\n" % (thread_id,)
threads += "".join(format_stack(frame))
# dump to a unique file
(fd, filename) = mkstemp(prefix="anaconda-tb-", dir="/tmp")
dump_text = exn.traceback_and_object_dump(self)
dump_text += threads
dump_text = dump_text.encode("utf-8")
iutil.eintr_retry_call(os.write, fd, dump_text)
iutil.eintr_retry_call(os.close, fd)
# append to a given file
with open("/tmp/anaconda-tb-all.log", "a+") as f:
f.write("--- traceback: %s ---\n" % filename)
f.write(dump_text + "\n")
def write_tmpfile(filename, data):
tmpf = tempfile.NamedTemporaryFile(mode="w", delete=False)
tmpf.write(data)
tmpf.close()
# Move the temporary file (with 0600 permissions) over the top of the
# original and preserve the original's permissions
filename = os.path.realpath(filename)
if os.path.exists(filename):
m = os.stat(filename).st_mode
else:
m = int('0100644', 8)
shutil.move(tmpf.name, filename)
eintr_retry_call(os.chmod, filename, m)
def _writeKS(ksdata):
import os
path = iutil.getSysroot() + "/root/anaconda-ks.cfg"
# Clear out certain sensitive information that kickstart doesn't have a
# way of representing encrypted.
for obj in [ksdata.autopart] + ksdata.logvol.dataList() + \
ksdata.partition.dataList() + ksdata.raid.dataList():
obj.passphrase = ""
with open(path, "w") as f:
f.write(str(ksdata))
# Make it so only root can read - could have passwords
iutil.eintr_retry_call(os.chmod, path, 0o600)
def check(self):
"""Check configured storage against software selections. When this
method is complete (which should be pretty quickly), the following
attributes are available for inspection:
success -- A simple boolean defining whether there's enough
space or not.
deficit -- If unsuccessful, how much space the system is
short for current software selections.
error_message -- If unsuccessful, an error message describing the
situation. This message is suitable for putting
in the info bar at the bottom of a Hub.
"""
self.reset()
stat = iutil.eintr_retry_call(os.statvfs, iutil.getSysroot())
free = Size(stat.f_bsize * stat.f_bfree)
needed = self.payload.spaceRequired
log.info("fs space: %s needed: %s", free, needed)
self.success = (free > needed)
if not self.success:
dev_required_size = self.payload.requiredDeviceSize(self.storage.rootDevice.format)
self.deficit = dev_required_size - self.storage.rootDevice.size
self.error_message = _(self.error_template) % self.deficit
return self.success
def setup(self, storage, instClass):
super(LiveImagePayload, self).setup(storage, instClass)
# Mount the live device and copy from it instead of the overlay at /
osimg = storage.devicetree.getDeviceByPath(self.data.method.partition)
if not osimg:
raise PayloadInstallError("Unable to find osimg for %s" %
self.data.method.partition)
if not stat.S_ISBLK(os.stat(osimg.path)[stat.ST_MODE]):
exn = PayloadSetupError("%s is not a valid block device" %
(self.data.method.partition, ))
if errorHandler.cb(exn) == ERROR_RAISE:
raise exn
rc = blivet.util.mount(osimg.path,
INSTALL_TREE,
fstype="auto",
options="ro")
if rc != 0:
raise PayloadInstallError("Failed to mount the install tree")
# Grab the kernel version list now so it's available after umount
self._updateKernelVersionList()
source = iutil.eintr_retry_call(os.statvfs, INSTALL_TREE)
self.source_size = source.f_frsize * (source.f_blocks - source.f_bfree)
def _writeKS(ksdata):
import os
path = iutil.getSysroot() + "/root/anaconda-ks.cfg"
# Clear out certain sensitive information that kickstart doesn't have a
# way of representing encrypted.
for obj in [ksdata.autopart] + ksdata.logvol.dataList() + \
ksdata.partition.dataList() + ksdata.raid.dataList():
obj.passphrase = ""
with open(path, "w") as f:
f.write(str(ksdata))
# Make it so only root can read - could have passwords
iutil.eintr_retry_call(os.chmod, path, 0o600)
def progress(self):
"""Monitor the amount of disk space used on the target and source and
update the hub's progress bar.
"""
mountpoints = self.storage.mountpoints.copy()
last_pct = -1
while self.pct < 100:
dest_size = 0
for mnt in mountpoints:
mnt_stat = iutil.eintr_retry_call(os.statvfs,
iutil.getSysroot() + mnt)
dest_size += mnt_stat.f_frsize * (mnt_stat.f_blocks -
mnt_stat.f_bfree)
if dest_size >= self._adj_size:
dest_size -= self._adj_size
pct = int(100 * dest_size / self.source_size)
if pct != last_pct:
with self.pct_lock:
self.pct = pct
last_pct = pct
progressQ.send_message(
_("Installing software") + (" %d%%") %
(min(100, self.pct), ))
sleep(0.777)
def setVNCPassword(self):
"""Set the vnc server password. Output to file. """
r, w = os.pipe()
password_string = "%s\n" % self.password
iutil.eintr_retry_call(os.write, w, password_string.encode("utf-8"))
with open(self.pw_file, "wb") as pw_file:
# the -f option makes sure vncpasswd does not ask for the password again
rc = iutil.execWithRedirect("vncpasswd", ["-f"],
stdin=r, stdout=pw_file, binary_output=True, log_output=False)
iutil.eintr_ignore(os.close, r)
iutil.eintr_ignore(os.close, w)
return rc
def write_tmpfile(filename, data):
# Create a temporary in the same directory as the target file to ensure
# the new file is on the same filesystem
tmpf = tempfile.NamedTemporaryFile(mode="w", delete=False,
dir=os.path.dirname(filename) or '.', prefix="." + os.path.basename(filename))
tmpf.write(data)
tmpf.close()
# Change the permissions (currently 0600) to match the original file
if os.path.exists(filename):
m = os.stat(filename).st_mode
else:
m = 0o0644
eintr_retry_call(os.chmod, filename, m)
# Move the temporary file over the top of the original
os.rename(tmpf.name, filename)
def openlogfile(self):
try:
fd = iutil.eintr_retry_call(os.open, self.log_file, os.O_RDWR | os.O_CREAT)
except OSError as e:
sys.stderr.write("error opening %s: %s\n", (self.log_file, e))
fd = None
return fd
def write_tmpfile(filename, data):
# Create a temporary in the same directory as the target file to ensure
# the new file is on the same filesystem
tmpf = tempfile.NamedTemporaryFile(mode="w",
delete=False,
dir=os.path.dirname(filename) or '.',
prefix="." + os.path.basename(filename))
tmpf.write(data)
tmpf.close()
# Change the permissions (currently 0600) to match the original file
if os.path.exists(filename):
m = os.stat(filename).st_mode
else:
m = 0o0644
eintr_retry_call(os.chmod, filename, m)
# Move the temporary file over the top of the original
os.rename(tmpf.name, filename)
def _finishChroot(self, childpid):
assert childpid > 0
try:
status = iutil.eintr_retry_call(os.waitpid, childpid, 0)[1]
except OSError as e:
log.critical("exception from waitpid: %s %s", e.errno, e.strerror)
return False
if os.WIFEXITED(status) and (os.WEXITSTATUS(status) == 0):
return True
else:
return False
def _finishChroot(self, childpid):
assert childpid > 0
try:
status = iutil.eintr_retry_call(os.waitpid, childpid, 0)[1]
except OSError as e:
log.critical("exception from waitpid: %s %s", e.errno, e.strerror)
return False
if os.WIFEXITED(status) and (os.WEXITSTATUS(status) == 0):
return True
else:
return False
def setUserSshKey(self, username, key, **kwargs):
childpid = self._prepareChroot(kwargs.get("root", iutil.getSysroot()))
if childpid == 0:
user = self.admin.lookupUserByName(username)
if not user:
log.error("setUserSshKey: user %s does not exist", username)
os._exit(1)
homedir = user.get(libuser.HOMEDIRECTORY)[0]
if not os.path.exists(homedir):
log.error("setUserSshKey: home directory for %s does not exist", username)
os._exit(1)
sshdir = os.path.join(homedir, ".ssh")
if not os.path.isdir(sshdir):
os.mkdir(sshdir, 0o700)
iutil.eintr_retry_call(os.chown, sshdir, user.get(libuser.UIDNUMBER)[0], user.get(libuser.GIDNUMBER)[0])
authfile = os.path.join(sshdir, "authorized_keys")
authfile_existed = os.path.exists(authfile)
with open(authfile, "a") as f:
f.write(key + "\n")
# Only change mode and ownership if we created it
if not authfile_existed:
iutil.eintr_retry_call(os.chmod, authfile, 0o600)
iutil.eintr_retry_call(os.chown, authfile, user.get(libuser.UIDNUMBER)[0], user.get(libuser.GIDNUMBER)[0])
iutil.execWithRedirect("restorecon", ["-r", sshdir])
os._exit(0)
else:
return self._finishChroot(childpid)
def setup(self, storage, instClass):
super(LiveImagePayload, self).setup(storage, instClass)
# Mount the live device and copy from it instead of the overlay at /
osimg = storage.devicetree.getDeviceByPath(self.data.method.partition)
if not stat.S_ISBLK(os.stat(osimg.path)[stat.ST_MODE]):
exn = PayloadSetupError("%s is not a valid block device" % (self.data.method.partition,))
if errorHandler.cb(exn) == ERROR_RAISE:
raise exn
rc = blivet.util.mount(osimg.path, INSTALL_TREE, fstype="auto", options="ro")
if rc != 0:
raise PayloadInstallError("Failed to mount the install tree")
# Grab the kernel version list now so it's available after umount
self._updateKernelVersionList()
source = iutil.eintr_retry_call(os.statvfs, INSTALL_TREE)
self.source_size = source.f_frsize * (source.f_blocks - source.f_bfree)
def progress(self):
"""Monitor the amount of disk space used on the target and source and
update the hub's progress bar.
"""
mountpoints = self.storage.mountpoints.copy()
last_pct = -1
while self.pct < 100:
dest_size = 0
for mnt in mountpoints:
mnt_stat = iutil.eintr_retry_call(os.statvfs, iutil.getSysroot()+mnt)
dest_size += mnt_stat.f_frsize * (mnt_stat.f_blocks - mnt_stat.f_bfree)
if dest_size >= self._adj_size:
dest_size -= self._adj_size
pct = int(100 * dest_size / self.source_size)
if pct != last_pct:
with self.pct_lock:
self.pct = pct
last_pct = pct
progressQ.send_message(_("Installing software") + (" %d%%") % (min(100, self.pct),))
sleep(0.777)
def check(self):
"""Check configured storage against software selections. When this
method is complete (which should be pretty quickly), the following
attributes are available for inspection:
success -- A simple boolean defining whether there's enough
space or not.
deficit -- If unsuccessful, how much space the system is
short for current software selections.
error_message -- If unsuccessful, an error message describing the
situation. This message is suitable for putting
in the info bar at the bottom of a Hub.
"""
self.reset()
stat = iutil.eintr_retry_call(os.statvfs, iutil.getSysroot())
free = Size(stat.f_bsize * stat.f_bfree)
needed = self.payload.spaceRequired
log.info("fs space: %s needed: %s", free, needed)
self.success = (free >= needed)
if not self.success:
self.deficit = needed - free
self.error_message = _(self.error_template) % self.deficit
return self.success
def runDebug(self, exc_info):
if flags.can_touch_runtime_system("switch console") \
and self._intf_tty_num != 1:
iutil.vtActivate(1)
pidfl = "/tmp/vncshell.pid"
if os.path.exists(pidfl) and os.path.isfile(pidfl):
pf = open(pidfl, "r")
for pid in pf.readlines():
if not int(pid) == os.getpid():
os.kill(int(pid), signal.SIGKILL)
pf.close()
iutil.eintr_retry_call(os.open, "/dev/console",
os.O_RDWR) # reclaim stdin
iutil.eintr_retry_call(os.dup2, 0, 1) # reclaim stdout
iutil.eintr_retry_call(os.dup2, 0, 2) # reclaim stderr
# ^
# |
# +------ dup2 is magic, I tells ya!
# bring back the echo
import termios
si = sys.stdin.fileno()
attr = termios.tcgetattr(si)
attr[3] = attr[3] & termios.ECHO
termios.tcsetattr(si, termios.TCSADRAIN, attr)
print("\nEntering debugger...")
print("Use 'continue' command to quit the debugger and get back to "\
"the main window")
import pdb
pdb.post_mortem(exc_info.stack)
if flags.can_touch_runtime_system("switch console") \
and self._intf_tty_num != 1:
iutil.vtActivate(self._intf_tty_num)
def preInstall(self, *args, **kwargs):
""" Get image and loopback mount it.
This is called after partitioning is setup, we now have space to
grab the image. If it is a network source Download it to sysroot
and provide feedback during the download (using urlgrabber
callback).
If it is a file:// source then use the file directly.
"""
error = None
if self.data.method.url.startswith("file://"):
self.image_path = self.data.method.url[7:]
else:
error = self._preInstall_url_image()
if error:
exn = PayloadInstallError(str(error))
if errorHandler.cb(exn) == ERROR_RAISE:
raise exn
# Used to make install progress % look correct
self._adj_size = os.stat(self.image_path)[stat.ST_SIZE]
if self.data.method.checksum:
progressQ.send_message(_("Checking image checksum"))
sha256 = hashlib.sha256()
with open(self.image_path, "rb") as f:
while True:
data = f.read(1024*1024)
if not data:
break
sha256.update(data)
filesum = sha256.hexdigest()
log.debug("sha256 of %s is %s", self.data.method.url, filesum)
if lowerASCII(self.data.method.checksum) != filesum:
log.error("%s does not match checksum.", self.data.method.checksum)
exn = PayloadInstallError("Checksum of image does not match")
if errorHandler.cb(exn) == ERROR_RAISE:
raise exn
# If this looks like a tarfile, skip trying to mount it
if self.is_tarfile:
return
# Mount the image and check to see if it is a LiveOS/*.img
# style squashfs image. If so, move it to IMAGE_DIR and mount the real
# root image on INSTALL_TREE
rc = blivet.util.mount(self.image_path, INSTALL_TREE, fstype="auto", options="ro")
if rc != 0:
log.error("mount error (%s) with %s", rc, self.image_path)
exn = PayloadInstallError("mount error %s" % rc)
if errorHandler.cb(exn) == ERROR_RAISE:
raise exn
# Nothing more to mount
if not os.path.exists(INSTALL_TREE+"/LiveOS"):
self._updateKernelVersionList()
return
# Mount the first .img in the directory on INSTALL_TREE
img_files = glob.glob(INSTALL_TREE+"/LiveOS/*.img")
if img_files:
# move the mount to IMAGE_DIR
os.makedirs(IMAGE_DIR, 0o755)
# work around inability to move shared filesystems
rc = iutil.execWithRedirect("mount",
["--make-rprivate", "/"])
if rc == 0:
rc = iutil.execWithRedirect("mount",
["--move", INSTALL_TREE, IMAGE_DIR])
if rc != 0:
log.error("error %s moving mount", rc)
exn = PayloadInstallError("mount error %s" % rc)
if errorHandler.cb(exn) == ERROR_RAISE:
raise exn
img_file = IMAGE_DIR+"/LiveOS/"+os.path.basename(sorted(img_files)[0])
rc = blivet.util.mount(img_file, INSTALL_TREE, fstype="auto", options="ro")
if rc != 0:
log.error("mount error (%s) with %s", rc, img_file)
exn = PayloadInstallError("mount error %s with %s" % (rc, img_file))
if errorHandler.cb(exn) == ERROR_RAISE:
raise exn
self._updateKernelVersionList()
source = iutil.eintr_retry_call(os.statvfs, INSTALL_TREE)
self.source_size = source.f_frsize * (source.f_blocks - source.f_bfree)
def save_servers_to_config(servers, conf_file_path=NTP_CONFIG_FILE,
srv_regexp=SRV_LINE_REGEXP, out_file_path=None):
"""
Replaces the servers defined in the chronyd's configuration file with
the given ones. If the out_file is not None, then it is used for the
resulting config.
:type servers: iterable
:param out_file_path: path to the file used for the resulting config
"""
try:
old_conf_file = open(conf_file_path, "r")
except IOError as ioerr:
msg = "Cannot open config file %s for reading (%s)" % (conf_file_path,
ioerr.strerror)
raise NTPconfigError(msg)
try:
if out_file_path:
new_conf_file = open(out_file_path, "w")
else:
(fildes, temp_path) = tempfile.mkstemp()
new_conf_file = os.fdopen(fildes, "w")
except IOError as ioerr:
if out_file_path:
msg = "Cannot open new config file %s "\
"for writing (%s)" % (out_file_path, ioerr.strerror)
else:
msg = "Cannot open temporary file %s "\
"for writing (%s)" % (temp_path, ioerr.strerror)
raise NTPconfigError(msg)
heading = "# These servers were defined in the installation:\n"
#write info about the origin of the following lines
new_conf_file.write(heading)
#write new servers
for server in servers:
new_conf_file.write("server " + server + " iburst\n")
#copy non-server lines from the old config and skip our heading
for line in old_conf_file:
if not srv_regexp.match(line) and line != heading:
new_conf_file.write(line)
old_conf_file.close()
new_conf_file.close()
if not out_file_path:
try:
stat = os.stat(conf_file_path)
# Use copy rather then move to get the correct selinux context
shutil.copy(temp_path, conf_file_path)
iutil.eintr_retry_call(os.chmod, conf_file_path, stat.st_mode)
os.unlink(temp_path)
except OSError as oserr:
msg = "Cannot replace the old config with "\
"the new one (%s)" % (oserr.strerror)
raise NTPconfigError(msg)
def _tui_wait(msg, desired_entropy):
"""Tell user we are waiting for entropy"""
print(msg)
print(_("Entropy can be increased by typing randomly on keyboard"))
print(_("After %d minutes, the installation will continue regardless of the "
"amount of available entropy") % (MAX_ENTROPY_WAIT / 60))
fd = sys.stdin.fileno()
termios_attrs_changed = False
try:
old = termios.tcgetattr(fd)
new = termios.tcgetattr(fd)
new[3] = new[3] & ~termios.ICANON & ~termios.ECHO
new[6][termios.VMIN] = 1
termios.tcsetattr(fd, termios.TCSANOW, new)
termios_attrs_changed = True
except termios.error as term_err:
if term_err.args[0] == errno.ENOTTY:
# "Inappropriate ioctl for device" --> terminal attributes not supported
pass
else:
raise
# wait for the entropy to become high enough or time has run out
cur_entr = get_current_entropy()
secs = 0
while cur_entr < desired_entropy and secs <= MAX_ENTROPY_WAIT:
remaining = (MAX_ENTROPY_WAIT - secs) / 60.0
print(_("Available entropy: %(av_entr)s, Required entropy: %(req_entr)s [%(pct)d %%] (%(rem)d %(min)s remaining)")
% {"av_entr": cur_entr, "req_entr": desired_entropy,
"pct": int((float(cur_entr) / desired_entropy) * 100),
"min": P_("minute", "minutes", remaining),
"rem": math.ceil(remaining)})
time.sleep(1)
cur_entr = get_current_entropy()
secs += 1
# print the final state as well
print(_("Available entropy: %(av_entr)s, Required entropy: %(req_entr)s [%(pct)d %%]")
% {"av_entr": cur_entr, "req_entr": desired_entropy,
"pct": int((float(cur_entr) / desired_entropy) * 100)})
if secs <= MAX_ENTROPY_WAIT:
print(_("Enough entropy gathered, please stop typing."))
force_cont = False
else:
print(_("Giving up, time (%d minutes) ran out.") % (MAX_ENTROPY_WAIT / 60))
force_cont = True
# we are done
# first let the user notice we are done and stop typing
time.sleep(5)
# and then just read everything from the input buffer and revert the
# termios state
data = "have something"
while sys.stdin in eintr_retry_call(select.select, [sys.stdin], [], [], 0)[0] and data:
# just read from stdin and scratch the read data
data = sys.stdin.read(1)
if termios_attrs_changed:
termios.tcsetattr(fd, termios.TCSAFLUSH, old)
return force_cont
def save_servers_to_config(servers,
conf_file_path=CHRONY_CONFIG_FILE,
srv_regexp=SRV_LINE_REGEXP,
out_file_path=None):
"""
Replaces the servers defined in the chronyd's configuration file with
the given ones. If the out_file is not None, then it is used for the
resulting config.
:type servers: iterable
:param out_file_path: path to the file used for the resulting config
"""
try:
old_conf_file = open(conf_file_path, "r")
except IOError as ioerr:
msg = "Cannot open config file %s for reading (%s)" % (conf_file_path,
ioerr.strerror)
raise NTPconfigError(msg)
try:
if out_file_path:
new_conf_file = open(out_file_path, "w")
else:
(fildes, temp_path) = tempfile.mkstemp()
new_conf_file = os.fdopen(fildes, "w")
except IOError as ioerr:
if out_file_path:
msg = "Cannot open new config file %s "\
"for writing (%s)" % (out_file_path, ioerr.strerror)
else:
msg = "Cannot open temporary file %s "\
"for writing (%s)" % (temp_path, ioerr.strerror)
raise NTPconfigError(msg)
heading = "# These servers were defined in the installation:\n"
#write info about the origin of the following lines
new_conf_file.write(heading)
#write new servers
for server in servers:
new_conf_file.write("server " + server + " iburst\n")
#copy non-server lines from the old config and skip our heading
for line in old_conf_file:
if not srv_regexp.match(line) and line != heading:
new_conf_file.write(line)
old_conf_file.close()
new_conf_file.close()
if not out_file_path:
try:
stat = os.stat(conf_file_path)
# Use copy rather then move to get the correct selinux context
shutil.copy(temp_path, conf_file_path)
iutil.eintr_retry_call(os.chmod, conf_file_path, stat.st_mode)
os.unlink(temp_path)
except OSError as oserr:
msg = "Cannot replace the old config with "\
"the new one (%s)" % (oserr.strerror)
raise NTPconfigError(msg)
def _tui_wait(msg, desired_entropy):
"""Tell user we are waiting for entropy"""
print(msg)
print(_("Entropy can be increased by typing randomly on keyboard"))
print(
_("After %d minutes, the installation will continue regardless of the "
"amount of available entropy") % (MAX_ENTROPY_WAIT / 60))
fd = sys.stdin.fileno()
termios_attrs_changed = False
try:
old = termios.tcgetattr(fd)
new = termios.tcgetattr(fd)
new[3] = new[3] & ~termios.ICANON & ~termios.ECHO
new[6][termios.VMIN] = 1
termios.tcsetattr(fd, termios.TCSANOW, new)
termios_attrs_changed = True
except termios.error as term_err:
if term_err.args[0] == errno.ENOTTY:
# "Inappropriate ioctl for device" --> terminal attributes not supported
pass
else:
raise
# wait for the entropy to become high enough or time has run out
cur_entr = get_current_entropy()
secs = 0
while cur_entr < desired_entropy and secs <= MAX_ENTROPY_WAIT:
remaining = (MAX_ENTROPY_WAIT - secs) / 60.0
print(
_("Available entropy: %(av_entr)s, Required entropy: %(req_entr)s [%(pct)d %%] (%(rem)d %(min)s remaining)"
) % {
"av_entr": cur_entr,
"req_entr": desired_entropy,
"pct": int((float(cur_entr) / desired_entropy) * 100),
"min": P_("minute", "minutes", remaining),
"rem": math.ceil(remaining)
})
time.sleep(1)
cur_entr = get_current_entropy()
secs += 1
# print the final state as well
print(
_("Available entropy: %(av_entr)s, Required entropy: %(req_entr)s [%(pct)d %%]"
) % {
"av_entr": cur_entr,
"req_entr": desired_entropy,
"pct": int((float(cur_entr) / desired_entropy) * 100)
})
if secs <= MAX_ENTROPY_WAIT:
print(_("Enough entropy gathered, please stop typing."))
force_cont = False
else:
print(
_("Giving up, time (%d minutes) ran out.") %
(MAX_ENTROPY_WAIT / 60))
force_cont = True
# we are done
# first let the user notice we are done and stop typing
time.sleep(5)
# and then just read everything from the input buffer and revert the
# termios state
data = "have something"
while sys.stdin in eintr_retry_call(select.select, [sys.stdin], [], [],
0)[0] and data:
# just read from stdin and scratch the read data
data = sys.stdin.read(1)
if termios_attrs_changed:
termios.tcsetattr(fd, termios.TCSAFLUSH, old)
return force_cont
