def ppid_cascade(process=None):
if process is None:
process = Process()
process = process.parent()
while process:
yield process.pid
process = process.parent()
def ppid_cascade(process=None):
if process is None:
process = Process()
process = process.parent()
while process:
yield process.pid
process = process.parent()
def _discover_proc_name(self, process: psutil.Process, ns_id: int) \
-> Optional[str]:
"""Discovers the process "name" for a given process. The name is
taken from the most senior process in the process tree which is
still in the same (PID or user) namespace as the process
initially specified to this function.
"""
parent = process.parent()
while parent:
try:
parent_ns_id = os.stat(
'/proc/%d/ns/%s' % (parent.pid, self._nstypename))\
.st_ino
except PermissionError:
parent_ns_id = -1
if parent_ns_id != ns_id:
break
process = parent
parent = process.parent()
# prepare the pretty-print-able process name: only use the last
# executable path element, and strip of a leading "-" indicating a
# login shell. In case the process' command line is inaccessible to
# us, then go for the process name.
try:
proc_name = process.cmdline()[0].split('/')[-1]
except IndexError:
# Mimic what the "ps" CLI tool does in case of process names...
proc_name = "[%s]" % process.name()
if proc_name[:1] == '-':
proc_name = proc_name[1:]
return '%s (%d)' % (proc_name, process.pid)
def killTika():
tikatree_proc = Process()
parent = tikatree_proc.parent()
tikatree_children = parent.children(recursive=True)
for child in tikatree_children:
if child.name() == "java.exe":
child.terminate()
def _get_shell_pid():
"""Returns parent process pid."""
proc = Process(os.getpid())
try:
return proc.parent().pid
except TypeError:
return proc.parent.pid
def _get_shell_pid():
"""Returns parent process pid."""
proc = Process(os.getpid())
try:
return proc.parent().pid
except TypeError:
return proc.parent.pid
def get_session_conf_dir(self, cleanup=False):
"""
Tries to find the session configuration directory by looking in ~/.dnanexus_config/sessions/<PID>,
where <PID> is pid of the parent of this process, then its parent, and so on.
If none of those exist, the path for the immediate parent is given, even if it doesn't exist.
If *cleanup* is True, looks up and deletes all session configuration directories that belong to nonexistent
processes.
"""
sessions_dir = os.path.join(self._user_conf_dir, "sessions")
try:
from psutil import Process, pid_exists
if cleanup:
try:
session_dirs = os.listdir(sessions_dir)
except OSError as e:
# Silently skip cleanup and continue if we are unable to
# enumerate the session directories for any reason
# (including, most commonly, because the sessions dir
# doesn't exist)
session_dirs = []
for session_dir in session_dirs:
try:
session_pid = int(session_dir)
except ValueError:
# If dir name doesn't look like an int, leave it
# alone
continue
if not pid_exists(session_pid):
rmtree(os.path.join(sessions_dir, session_dir),
ignore_errors=True)
parent_process = Process(os.getpid()).parent()
default_session_dir = os.path.join(sessions_dir,
str(parent_process.pid))
while parent_process is not None and parent_process.pid != 0:
session_dir = os.path.join(sessions_dir,
str(parent_process.pid))
if os.path.exists(session_dir):
return session_dir
parent_process = parent_process.parent()
return default_session_dir
except (ImportError, IOError, AttributeError) as e:
warn(
fill("Error while retrieving session configuration: " +
format_exception(e)))
except Exception as e:
warn(
fill(
"Unexpected error while retrieving session configuration: "
+ format_exception(e)))
return self._get_ppid_session_conf_dir(sessions_dir)
def get_session_conf_dir(self, cleanup=False):
"""
Tries to find the session configuration directory by looking in ~/.dnanexus_config/sessions/<PID>,
where <PID> is pid of the parent of this process, then its parent, and so on.
If none of those exist, the path for the immediate parent is given, even if it doesn't exist.
If *cleanup* is True, looks up and deletes all session configuration directories that belong to nonexistent
processes.
"""
sessions_dir = os.path.join(self._user_conf_dir, "sessions")
try:
from psutil import Process, pid_exists
if cleanup:
try:
session_dirs = os.listdir(sessions_dir)
except OSError as e:
# Silently skip cleanup and continue if we are unable to
# enumerate the session directories for any reason
# (including, most commonly, because the sessions dir
# doesn't exist)
session_dirs = []
for session_dir in session_dirs:
try:
session_pid = int(session_dir)
except ValueError:
# If dir name doesn't look like an int, leave it
# alone
continue
if not pid_exists(session_pid):
rmtree(os.path.join(sessions_dir, session_dir), ignore_errors=True)
parent_process = Process(os.getpid()).parent()
default_session_dir = os.path.join(sessions_dir, str(parent_process.pid))
while parent_process is not None and parent_process.pid != 0:
session_dir = os.path.join(sessions_dir, str(parent_process.pid))
if os.path.exists(session_dir):
return session_dir
parent_process = parent_process.parent()
return default_session_dir
except (ImportError, IOError, AttributeError) as e:
# We don't bundle psutil with Windows, so failure to import
# psutil would be expected.
if platform.system() != 'Windows':
warn(fill("Error while retrieving session configuration: " + format_exception(e)))
except Exception as e:
warn(fill("Unexpected error while retrieving session configuration: " + format_exception(e)))
return self._get_ppid_session_conf_dir(sessions_dir)
def main():
connections = psutil.net_connections()
listen = list(filter(lambda x: x.status == 'LISTEN', connections))
listen_sorted = sorted(listen, key=lambda x: x.laddr.port)
print(f"{'ip':<12} {'port':<6} {'user':<16} {'started':<15} {'parent':<15} {'cwd':<30} {'cmdline'}".upper())
for l in listen_sorted:
ip = l.laddr.ip
port = l.laddr.port
if not l.pid:
cwd, user, cmdline, started = 4 * ["NOPERM"]
else:
p = Process(l.pid)
parent = p.parent().name()
cwd = p.cwd()
user = p.username()
cmdline = " ".join(p.cmdline())
started = arrow.get(p.create_time()).humanize()
print(f"{ip:<12} {port:<6} {user:<16} {started:<15} {parent:<15} {cwd:<30} {cmdline}")
def __init__(self, proc: psutil.Process, proctable):
"""
Class constructor
"""
_dead = False
self._children = list()
self._parent = 0
parent = None
self._proc, self._pt = proc, proctable
try:
self._pgid = os.getpgid(proc.pid)
except:
self._pgid = 0
_dead = True
if not _dead:
parent = proc.parent()
if parent:
self._parent = parent.pid
if not _dead:
self._children = [ p.pid for p in proc.children() ]
with proc.oneshot():
if proc.is_running():
self.rss = proc.memory_info().rss
self.vms = proc.memory_info().vms
self.ctx_vol = proc.num_ctx_switches().voluntary
self.ctx_invol = proc.num_ctx_switches().involuntary
self._cmdline = proc.cmdline()
self.pcpu = None
#self.pcpu += proc.cpu_percent(interval=DEFAULT_INTERVAL)
else:
self.rss = 0
self.vms = 0
self.ctx_vol = 0
self.ctx_invol = 0
self.cmdline = [ ]
self.pcpu = 0.0
def _get_shell_from_proc():
proc = Process(os.getpid())
while proc is not None and proc.pid > 0:
try:
name = proc.name()
except TypeError:
name = proc.name
name = os.path.splitext(name)[0]
if name in shells:
return shells[name]()
try:
proc = proc.parent()
except TypeError:
proc = proc.parent
return Generic()
def _get_shell_from_proc():
proc = Process(os.getpid())
while proc is not None and proc.pid > 0:
try:
name = proc.name()
except TypeError:
name = proc.name
name = os.path.splitext(name)[0]
if name in shells:
return shells[name]()
try:
proc = proc.parent()
except TypeError:
proc = proc.parent
return Generic()
def _get_py_process() -> Process:
p = Process()
assert p.name() == "python.exe"
par = p.parent()
# In jupyter notebook in code, "python.exe" has "python.exe" as a parent, then "Code.exe"
return par if par.name() in ("py.exe", "python.exe") else p
def setup_pyramid(comp, config):
env = comp.env
is_debug = env.core.debug
# Session factory
config.set_session_factory(WebSession)
# Empty authorization policy. Why do we need this?
# NOTE: Authentication policy is set up in then authentication component!
authz_policy = ACLAuthorizationPolicy()
config.set_authorization_policy(authz_policy)
_setup_pyramid_debugtoolbar(comp, config)
_setup_pyramid_tm(comp, config)
_setup_pyramid_mako(comp, config)
# COMMON REQUEST'S ATTRIBUTES
config.add_request_method(lambda req: env, 'env', property=True)
config.add_request_method(
lambda req: req.path_info.lower().startswith('/api/'),
'is_api',
property=True)
# ERROR HANGLING
comp.error_handlers = list()
@comp.error_handlers.append
def error_renderer_handler(request, err_info, exc, exc_info):
error_renderer = None
mroute = request.matched_route
if mroute is not None:
for predicate in mroute.predicates:
if isinstance(predicate, ErrorRendererPredicate):
error_renderer = predicate.val
break
if error_renderer is not None:
return error_renderer(request,
err_info,
exc,
exc_info,
debug=is_debug)
@comp.error_handlers.append
def api_error_handler(request, err_info, exc, exc_info):
if request.is_api or request.is_xhr:
return exception.json_error_response(request,
err_info,
exc,
exc_info,
debug=is_debug)
@comp.error_handlers.append
def html_error_handler(request, err_info, exc, exc_info):
return exception.html_error_response(request,
err_info,
exc,
exc_info,
debug=is_debug)
def error_handler(request, err_info, exc, exc_info, **kwargs):
for handler in comp.error_handlers:
result = handler(request, err_info, exc, exc_info)
if result is not None:
return result
config.registry.settings['error.err_response'] = error_handler
config.registry.settings['error.exc_response'] = error_handler
config.include(exception)
config.add_tween(
'nextgisweb.pyramid.util.header_encoding_tween_factory',
over=('nextgisweb.pyramid.exception.unhandled_exception_tween_factory',
))
# INTERNATIONALIZATION
# Substitute localizer from pyramid with our own, original is
# too tied to translationstring, that works strangely with string
# interpolation via % operator.
def localizer(request):
return request.env.core.localizer(request.locale_name)
config.add_request_method(localizer, 'localizer', property=True)
# Replace default locale negotiator with session-based one
def locale_negotiator(request):
return request.session.get('pyramid.locale', env.core.locale_default)
config.set_locale_negotiator(locale_negotiator)
# TODO: Need to get rid of translation dirs!
# Currently used only to search for jed-files.
from ..package import pkginfo as _pkginfo
for pkg in _pkginfo.packages:
dirname = resource_filename(pkg, 'locale')
if os.path.isdir(dirname):
config.add_translation_dirs(dirname)
# STATIC FILES
if is_debug:
# In debug build static_key from proccess startup time
rproc = Process(os.getpid())
# When running under control of uWSGI master process use master's startup time
if rproc.name() == 'uwsgi' and rproc.parent().name() == 'uwsgi':
rproc = rproc.parent()
_logger.debug("Found uWSGI master process PID=%d", rproc.pid)
# Use 4-byte hex representation of 1/5 second intervals
comp.static_key = '/' + hex(int(rproc.create_time() * 5) % (2 ** 64)) \
.replace('0x', '').replace('L', '')
_logger.debug("Using startup time static key [%s]",
comp.static_key[1:])
else:
# In production mode build static_key from pip freeze output
comp.static_key = '/' + pip_freeze()[0]
_logger.debug("Using pip freeze static key [%s]", comp.static_key[1:])
config.add_static_view('/static{}/asset'.format(comp.static_key),
'nextgisweb:static',
cache_max_age=3600)
config.add_route('amd_package', '/static{}/amd/*subpath'.format(comp.static_key)) \
.add_view(static_amd_file)
# Collect external AMD-packages from other components
amd_base = []
for c in comp._env.chain('amd_base'):
amd_base.extend(c.amd_base)
config.add_request_method(lambda r: amd_base,
'amd_base',
property=True,
reify=True)
# RENDERERS
config.add_renderer('json', json_renderer)
# Filter for quick translation. Defines function tr, which we can use
# instead of request.localizer.translate in mako templates.
def tr_subscriber(event):
event['tr'] = event['request'].localizer.translate
config.add_subscriber(tr_subscriber, BeforeRender)
# OTHERS
config.add_route('home', '/').add_view(home)
def ctpl(n):
return 'nextgisweb:pyramid/template/%s.mako' % n
config.add_route('pyramid.control_panel', '/control-panel', client=()) \
.add_view(control_panel, renderer=ctpl('control_panel'))
config.add_route('pyramid.favicon', '/favicon.ico').add_view(favicon)
config.add_route('pyramid.control_panel.pkginfo',
'/control-panel/pkginfo').add_view(
pkginfo, renderer=ctpl('pkginfo'))
config.add_route('pyramid.control_panel.backup.browse',
'/control-panel/backup/').add_view(
backup_browse, renderer=ctpl('backup'))
config.add_route(
'pyramid.control_panel.backup.download',
'/control-panel/backup/{filename}').add_view(backup_download)
config.add_route('pyramid.control_panel.cors',
'/control-panel/cors').add_view(cors,
renderer=ctpl('cors'))
config.add_route('pyramid.control_panel.custom_css',
'/control-panel/custom-css').add_view(
custom_css, renderer=ctpl('custom_css'))
config.add_route('pyramid.control_panel.logo',
'/control-panel/logo').add_view(cp_logo,
renderer=ctpl('logo'))
config.add_route('pyramid.control_panel.system_name',
'/control-panel/system-name').add_view(
system_name, renderer=ctpl('system_name'))
config.add_route('pyramid.control_panel.miscellaneous',
'/control-panel/miscellaneous').add_view(
miscellaneous, renderer=ctpl('miscellaneous'))
config.add_route('pyramid.control_panel.home_path',
'/control-panel/home_path').add_view(
home_path, renderer=ctpl('home_path'))
config.add_route('pyramid.locale', '/locale/{locale}').add_view(locale)
comp.test_request_handler = None
config.add_route('pyramid.test_request', '/test/request/') \
.add_view(test_request)
config.add_route('pyramid.test_exception_handled', '/test/exception/handled') \
.add_view(test_exception_handled)
config.add_route('pyramid.test_exception_unhandled', '/test/exception/unhandled') \
.add_view(test_exception_unhandled)
config.add_route('pyramid.test_timeout', '/test/timeout') \
.add_view(test_timeout)
comp.control_panel = dm.DynMenu(
dm.Label('info', _("Info")),
dm.Link(
'info/pkginfo', _("Package versions"), lambda args:
(args.request.route_url('pyramid.control_panel.pkginfo'))),
dm.Label('settings', _("Settings")),
dm.Link(
'settings/core', _("Web GIS name"), lambda args:
(args.request.route_url('pyramid.control_panel.system_name'))),
dm.Link(
'settings/cors', _("Cross-origin resource sharing (CORS)"),
lambda args:
(args.request.route_url('pyramid.control_panel.cors'))),
dm.Link(
'settings/custom_css', _("Custom CSS"), lambda args:
(args.request.route_url('pyramid.control_panel.custom_css'))),
dm.Link(
'settings/logo', _("Custom logo"), lambda args:
(args.request.route_url('pyramid.control_panel.logo'))),
dm.Link(
'settings/miscellaneous', _("Miscellaneous"), lambda args:
(args.request.route_url('pyramid.control_panel.miscellaneous'))),
dm.Link(
'settings/home_path', _("Home path"), lambda args:
(args.request.route_url('pyramid.control_panel.home_path'))),
)
if comp.options['backup.download']:
comp.control_panel.add(
dm.Link(
'info/backups', _("Backups"), lambda args: args.request.
route_url('pyramid.control_panel.backup.browse')))
def setup_pyramid(comp, config):
env = comp.env
is_debug = env.core.debug
# Session factory
config.set_session_factory(WebSession)
_setup_pyramid_debugtoolbar(comp, config)
_setup_pyramid_tm(comp, config)
_setup_pyramid_mako(comp, config)
# COMMON REQUEST'S ATTRIBUTES
config.add_request_method(lambda req: env, 'env', property=True)
config.add_request_method(
lambda req: req.path_info.lower().startswith('/api/'),
'is_api',
property=True)
# ERROR HANGLING
comp.error_handlers = list()
@comp.error_handlers.append
def error_renderer_handler(request, err_info, exc, exc_info):
error_renderer = None
mroute = request.matched_route
if mroute is not None:
for predicate in mroute.predicates:
if isinstance(predicate, ErrorRendererPredicate):
error_renderer = predicate.val
break
if error_renderer is not None:
return error_renderer(request,
err_info,
exc,
exc_info,
debug=is_debug)
@comp.error_handlers.append
def api_error_handler(request, err_info, exc, exc_info):
if request.is_api or request.is_xhr:
return exception.json_error_response(request,
err_info,
exc,
exc_info,
debug=is_debug)
@comp.error_handlers.append
def html_error_handler(request, err_info, exc, exc_info):
return exception.html_error_response(request,
err_info,
exc,
exc_info,
debug=is_debug)
def error_handler(request, err_info, exc, exc_info, **kwargs):
for handler in comp.error_handlers:
result = handler(request, err_info, exc, exc_info)
if result is not None:
return result
config.registry.settings['error.err_response'] = error_handler
config.registry.settings['error.exc_response'] = error_handler
config.include(exception)
# INTERNATIONALIZATION
# Substitute localizer from pyramid with our own, original is
# too tied to translationstring, that works strangely with string
# interpolation via % operator.
def localizer(request):
return request.env.core.localizer(request.locale_name)
config.add_request_method(localizer, 'localizer', property=True)
locale_default = comp.env.core.locale_default
locale_sorted = [locale_default] + [
lc for lc in comp.env.core.locale_available if lc != locale_default
]
# Replace default locale negotiator with session-based one
def locale_negotiator(request):
environ = request.environ
if 'auth.user' in environ:
user_loaded = True
else:
# Force to load user's profile. But it might fail because of
# authentication or transaction failueres.
try:
request.user
except Exception:
user_loaded = False
else:
user_loaded = True
if user_loaded:
environ_language = environ['auth.user']['language']
if environ_language is not None:
return environ_language
session_language = request.session.get('pyramid.locale')
if session_language is not None:
return session_language
return request.accept_language.lookup(locale_sorted,
default=locale_default)
config.set_locale_negotiator(locale_negotiator)
# STATIC FILES
if 'static_key' in comp.options:
comp.static_key = '/' + comp.options['static_key']
logger.debug("Using static key from options '%s'", comp.static_key[1:])
elif is_debug:
# In debug build static_key from proccess startup time
rproc = Process(os.getpid())
# When running under control of uWSGI master process use master's startup time
if rproc.name() == 'uwsgi' and rproc.parent().name() == 'uwsgi':
rproc = rproc.parent()
logger.debug("Found uWSGI master process PID=%d", rproc.pid)
# Use 4-byte hex representation of 1/5 second intervals
comp.static_key = '/' + hex(int(rproc.create_time() * 5) % (2 ** 64)) \
.replace('0x', '').replace('L', '')
logger.debug("Using startup time static key [%s]", comp.static_key[1:])
else:
# In production mode build static_key from nextgisweb_* package versions
package_hash = md5('\n'.join(
('{}=={}+{}'.format(pobj.name, pobj.version, pobj.commit)
for pobj in comp.env.packages.values())).encode('utf-8'))
comp.static_key = '/' + package_hash.hexdigest()[:8]
logger.debug("Using package based static key '%s'",
comp.static_key[1:])
config.add_static_view('/static{}/asset'.format(comp.static_key),
'nextgisweb:static',
cache_max_age=3600)
config.add_route('amd_package', '/static{}/amd/*subpath'.format(comp.static_key)) \
.add_view(static_amd_file)
# Base template includes
comp._template_include = list(
chain(
*[c.template_include for c in comp.env.chain('template_include')]))
# RENDERERS
config.add_renderer('json', renderer.JSON())
# Filter for quick translation. Defines function tr, which we can use
# instead of request.localizer.translate in mako templates.
def tr_subscriber(event):
event['tr'] = event['request'].localizer.translate
config.add_subscriber(tr_subscriber, BeforeRender)
# OTHERS
config.add_route('home', '/').add_view(home)
def ctpl(n):
return 'nextgisweb:pyramid/template/%s.mako' % n
config.add_route('pyramid.control_panel', '/control-panel', client=()) \
.add_view(control_panel, renderer=ctpl('control_panel'))
config.add_route('pyramid.favicon', '/favicon.ico').add_view(favicon)
config.add_route(
'pyramid.control_panel.sysinfo',
'/control-panel/sysinfo',
client=(),
).add_view(sysinfo, renderer=ctpl('sysinfo'))
config.add_route('pyramid.control_panel.pkginfo',
'/control-panel/pkginfo').add_view(pkginfo)
if env.core.options['storage.enabled']:
config.add_route('pyramid.control_panel.storage',
'/control-panel/storage').add_view(
storage, renderer=REACT_RENDERER)
config.add_route('pyramid.control_panel.backup.browse',
'/control-panel/backup/').add_view(
backup_browse, renderer=ctpl('backup'))
config.add_route(
'pyramid.control_panel.backup.download',
'/control-panel/backup/{filename}').add_view(backup_download)
config.add_route(
'pyramid.control_panel.cors',
'/control-panel/cors',
client=(),
).add_view(cors, renderer=REACT_RENDERER)
config.add_route('pyramid.control_panel.custom_css',
'/control-panel/custom-css').add_view(
custom_css, renderer=REACT_RENDERER)
config.add_route('pyramid.control_panel.logo',
'/control-panel/logo').add_view(cp_logo,
renderer=REACT_RENDERER)
config.add_route('pyramid.control_panel.system_name',
'/control-panel/system-name').add_view(
system_name, renderer=REACT_RENDERER)
config.add_route('pyramid.control_panel.home_path',
'/control-panel/home-path').add_view(
home_path, renderer=REACT_RENDERER)
config.add_route('pyramid.locale', '/locale/{locale}').add_view(locale)
comp.test_request_handler = None
config.add_route('pyramid.test_request', '/test/request/') \
.add_view(test_request)
config.add_route('pyramid.test_exception_handled', '/test/exception/handled') \
.add_view(test_exception_handled)
config.add_route('pyramid.test_exception_unhandled', '/test/exception/unhandled') \
.add_view(test_exception_unhandled)
config.add_route('pyramid.test_exception_transaction', '/test/exception/transaction') \
.add_view(test_exception_transaction)
config.add_route('pyramid.test_timeout', '/test/timeout') \
.add_view(test_timeout)
config.add_route('pyramid.test_example', '/test/pyramid/example') \
.add_view(lambda request: {}, renderer="nextgisweb:pyramid/template/example.mako")
comp.control_panel = dm.DynMenu(
dm.Label('info', _("Info")),
dm.Link(
'info/sysinfo', _("System information"), lambda args:
(args.request.route_url('pyramid.control_panel.sysinfo'))),
dm.Label('settings', _("Settings")),
dm.Link(
'settings/core', _("Web GIS name"), lambda args:
(args.request.route_url('pyramid.control_panel.system_name'))),
dm.Link(
'settings/cors', _("Cross-origin resource sharing (CORS)"),
lambda args:
(args.request.route_url('pyramid.control_panel.cors'))),
dm.Link(
'settings/custom_css', _("Custom CSS"), lambda args:
(args.request.route_url('pyramid.control_panel.custom_css'))),
dm.Link(
'settings/logo', _("Custom logo"), lambda args:
(args.request.route_url('pyramid.control_panel.logo'))),
dm.Link(
'settings/home_path', _("Home path"), lambda args:
(args.request.route_url('pyramid.control_panel.home_path'))),
)
if env.core.options['storage.enabled']:
comp.control_panel.add(
dm.Link(
'info/storage', _("Storage"), lambda args:
(args.request.route_url('pyramid.control_panel.storage'))))
if comp.options['backup.download']:
comp.control_panel.add(
dm.Link(
'info/backups', _("Backups"), lambda args: args.request.
route_url('pyramid.control_panel.backup.browse')))
print(*args, file=stderr, **kwargs)
# slice msg
msg = input()
msg1 = msg[0:int(len(msg) / 2)]
msg2 = msg[int(len(msg) / 2):len(msg)]
# args
queue = MessageQueue(int(argv[1]))
master_name = argv[2]
# master process must be the nearest parent with the exact given name
master_proc = Process(getpid())
while master_proc.name() != master_name:
master_proc = master_proc.parent()
with Semaphore(int(argv[1])):
try:
# send-receive echo
# type=1 : from me to other
# type=2 : to me from other
queue.send(msg1, type=1)
# will block until a process claims the rest of the message
(echo1, echo_type) = queue.receive(type=2)
echo_proc = Process(queue.last_send_pid)
if echo1.decode("ascii") == msg1:
parent = echo_proc
try:
while parent.pid != master_proc.pid:
