def Enable(self):
"""Enable remote debugging"""
try:
Remote.on()
except:
self.logger.error("Failed to create Heapy context")
raise Bcfg2.Server.Plugin.PluginInitError
def Disable(self):
"""Disable remote debugging"""
try:
Remote.off()
except:
self.logger.error("Failed to disable Heapy")
raise Bcfg2.Server.Plugin.PluginInitError
def Disable(self):
"""Disable remote debugging"""
try:
Remote.off()
except:
self.logger.error("Failed to disable Heapy")
raise Bcfg2.Server.Plugin.PluginInitError
def Enable(self):
"""Enable remote debugging"""
try:
Remote.on()
except:
self.logger.error("Failed to create Heapy context")
raise Bcfg2.Server.Plugin.PluginInitError
def monitor():
"""monitor() [0]
Start an interactive remote monitor.
This can be used to get information about the state, in
particular the memory usage, of separately running Python
processes.
References
[0] heapy_Use.html#heapykinds.Use.monitor"""
from guppy.heapy import Remote
Remote.off()
m = Monitor()
m.run()
def monitor():
"""monitor() [0]
Start an interactive remote monitor.
This can be used to get information about the state, in
particular the memory usage, of separately running Python
processes.
References
[0] heapy_Use.html#heapykinds.Use.monitor"""
from guppy.heapy import Remote
Remote.off()
m = Monitor()
m.run()
def main():
import argparse
parser = argparse.ArgumentParser(
description='Start the IRC helper bot.')
parser.add_argument('-e', '--relay-enable',
action='append', metavar='relay', default=list(),
help='Enable only the specified relays, can be specified multiple times.')
parser.add_argument('-d', '--relay-disable',
action='append', metavar='relay', default=list(),
help='Explicitly disable specified relays,'
' can be specified multiple times. Overrides --relay-enable.')
parser.add_argument('-c', '--config',
action='append', metavar='path', default=list(),
help='Configuration files to process.'
' Can be specified more than once.'
' Values from the latter ones override values in the former.'
' Available CLI options override the values in any config.')
parser.add_argument('-n', '--dry-run', action='store_true',
help='Connect to IRC, but do not communicate there,'
' dumping lines-to-be-sent to the log instead.')
parser.add_argument('--fatal-errors', action='store_true',
help='Do not try to ignore entry_point'
' init errors, bailing out with traceback instead.')
parser.add_argument('--debug',
action='store_true', help='Verbose operation mode.')
parser.add_argument('--debug-memleaks', action='store_true',
help='Import guppy and enable its manhole to debug memleaks (requires guppy module).')
parser.add_argument('--noise',
action='store_true', help='Even more verbose mode than --debug.')
optz = parser.parse_args()
## Read configuration files
cfg = lya.AttrDict.from_yaml('{}.yaml'.format(splitext(realpath(__file__))[0]))
for k in optz.config: cfg.update_yaml(k)
## CLI overrides
if optz.dry_run: cfg.debug.dry_run = optz.dry_run
## Logging
import logging
logging.NOISE = logging.DEBUG - 1
logging.addLevelName(logging.NOISE, 'NOISE')
try: from twisted.python.logger._stdlib import fromStdlibLogLevelMapping
except ImportError: pass # newer twisted versions only
else: fromStdlibLogLevelMapping[logging.NOISE] = logging.NOISE
if optz.noise: lvl = logging.NOISE
elif optz.debug: lvl = logging.DEBUG
else: lvl = logging.WARNING
lya.configure_logging(cfg.logging, lvl)
log.PythonLoggingObserver().start()
for lvl in 'noise', 'debug', 'info', ('warning', 'warn'), 'error', ('critical', 'fatal'):
lvl, func = lvl if isinstance(lvl, tuple) else (lvl, lvl)
assert not hasattr(log, lvl)
setattr(log, func, ft.partial( log.msg,
logLevel=logging.getLevelName(lvl.upper()) ))
# Manholes
if optz.debug_memleaks:
import guppy
from guppy.heapy import Remote
Remote.on()
## Fake "xattr" module, if requested
if cfg.core.xattr_emulation:
import shelve
xattr_db = shelve.open(cfg.core.xattr_emulation, 'c')
class xattr_path(object):
def __init__(self, base):
assert isinstance(base, str)
self.base = base
def key(self, k): return '{}\0{}'.format(self.base, k)
def __setitem__(self, k, v): xattr_db[self.key(k)] = v
def __getitem__(self, k): return xattr_db[self.key(k)]
def __del__(self): xattr_db.sync()
class xattr_module(object): xattr = xattr_path
sys.modules['xattr'] = xattr_module
## Actual init
# Merge entry points configuration with CLI opts
conf = ep_config( cfg,
[ dict(ep='relay_defaults'),
dict( ep='modules',
enabled=optz.relay_enable, disabled=optz.relay_disable ) ] )
(conf_base, conf), (conf_def_base, conf_def) =\
op.itemgetter('modules', 'relay_defaults')(conf)
for subconf in conf.viewvalues(): subconf.rebase(conf_base)
relays, channels, routes = (
dict( (name, subconf) for name,subconf in conf.viewitems()
if name[0] != '_' and subconf.get('type') == subtype )
for subtype in ['relay', 'channel', 'route'] )
# Init interface
interface = routing.BCInterface(
irc_enc=cfg.core.encoding,
chan_prefix=cfg.core.channel_prefix,
max_line_length=cfg.core.max_line_length,
dry_run=cfg.debug.dry_run )
# Find out which relay entry_points are actually used
route_mods = set(it.chain.from_iterable(
it.chain.from_iterable(
(mod if isinstance(mod, list) else [mod])
for mod in ((route.get(k) or list()) for k in ['src', 'dst', 'pipe']) )
for route in routes.viewvalues() ))
for name in list(route_mods):
try:
name_ep = relays[name].name
if name == name_ep: continue
except KeyError: pass
else:
route_mods.add(name_ep)
route_mods.remove(name)
# Init relays
relays_obj = dict()
for ep in get_relay_list():
if ep.name[0] == '_':
log.debug( 'Skipping entry_point with name'
' prefixed by underscore: {}'.format(ep.name) )
continue
if ep.name not in route_mods:
log.debug(( 'Skipping loading relay entry_point {}'
' because its not used in any of the routes' ).format(ep.name))
continue
ep_relays = list( (name, subconf)
for name, subconf in relays.viewitems()
if subconf.get('name', name) == ep.name )
if not ep_relays: ep_relays = [(ep.name, conf_base.clone())]
for name, subconf in ep_relays:
try: relay_defaults = conf_def[ep.name]
except KeyError: pass
else:
subconf.rebase(relay_defaults)
subconf.rebase(conf_def_base)
if subconf.get('enabled', True):
log.debug('Loading relay: {} ({})'.format(name, ep.name))
try:
obj = ep.load().relay(subconf, interface=interface)
if not obj: raise AssertionError('Empty object')
except Exception as err:
if optz.fatal_errors: raise
log.error('Failed to load/init relay {}: {} {}'.format(ep.name, type(err), err))
obj, subconf.enabled = None, False
if obj and subconf.get('enabled', True): relays_obj[name] = obj
else:
log.debug(( 'Entry point object {!r} (name:'
' {}) was disabled after init' ).format(obj, ep.name) )
for name in set(relays).difference(relays_obj):
log.debug(( 'Unused relay configuration - {}: no such'
' entry point - {}' ).format(name, relays[name].get('name', name)))
if not relays_obj:
log.fatal('No relay objects were properly enabled/loaded, bailing out')
sys.exit(1)
log.debug('Enabled relays: {}'.format(relays_obj))
# Relays-client interface
interface.update(relays_obj, channels, routes)
# Server
if cfg.core.connection.server.endpoint:
password = cfg.core.connection.get('password')
if not password:
from hashlib import sha1
password = cfg.core.connection.password =\
sha1(open('/dev/urandom', 'rb').read(120/8)).hexdigest()
factory = irc.BCServerFactory(
cfg.core.connection.server,
*(chan.get('name', name) for name,chan in channels.viewitems()),
**{cfg.core.connection.nickname: password} )
endpoints\
.serverFromString(reactor, cfg.core.connection.server.endpoint)\
.listen(factory)
# Client with proper endpoints + reconnection
# See: http://twistedmatrix.com/trac/ticket/4472 + 4700 + 4735
ep = endpoints.clientFromString(reactor, cfg.core.connection.endpoint)
irc.BCClientFactory(cfg.core, interface, ep).connect()
log.debug('Starting event loop')
reactor.run()
def main():
import argparse
parser = argparse.ArgumentParser(
description='Collect and dispatch various metrics to destinations.')
parser.add_argument('-t', '--destination', metavar='host[:port]',
help='host[:port] (default port: 2003, can be overidden'
' via config file) of sink destination endpoint (e.g. carbon'
' linereceiver tcp port, by default).')
parser.add_argument('-i', '--interval', type=int, metavar='seconds',
help='Interval between collecting and sending the datapoints.')
parser.add_argument('-e', '--collector-enable',
action='append', metavar='collector', default=list(),
help='Enable only the specified metric collectors,'
' can be specified multiple times.')
parser.add_argument('-d', '--collector-disable',
action='append', metavar='collector', default=list(),
help='Explicitly disable specified metric collectors,'
' can be specified multiple times. Overrides --collector-enable.')
parser.add_argument('-s', '--sink-enable',
action='append', metavar='sink', default=list(),
help='Enable only the specified datapoint sinks,'
' can be specified multiple times.')
parser.add_argument('-x', '--sink-disable',
action='append', metavar='sink', default=list(),
help='Explicitly disable specified datapoint sinks,'
' can be specified multiple times. Overrides --sink-enable.')
parser.add_argument('-p', '--processor-enable',
action='append', metavar='processor', default=list(),
help='Enable only the specified datapoint processors,'
' can be specified multiple times.')
parser.add_argument('-z', '--processor-disable',
action='append', metavar='processor', default=list(),
help='Explicitly disable specified datapoint processors,'
' can be specified multiple times. Overrides --processor-enable.')
parser.add_argument('-c', '--config',
action='append', metavar='path', default=list(),
help='Configuration files to process.'
' Can be specified more than once.'
' Values from the latter ones override values in the former.'
' Available CLI options override the values in any config.')
parser.add_argument('-a', '--xattr-emulation', metavar='db-path',
help='Emulate filesystem extended attributes (used in'
' some collectors like sysstat or cron_log), storing per-path'
' data in a simple shelve db.')
parser.add_argument('-n', '--dry-run',
action='store_true', help='Do not actually send data.')
parser.add_argument('--debug-memleaks', action='store_true',
help='Import guppy and enable its manhole to debug memleaks (requires guppy module).')
parser.add_argument('--debug',
action='store_true', help='Verbose operation mode.')
optz = parser.parse_args()
# Read configuration files
cfg = AttrDict.from_yaml('{}.yaml'.format(
os.path.splitext(os.path.realpath(__file__))[0] ))
for k in optz.config: cfg.update_yaml(k)
# Logging
import logging
configure_logging( cfg.logging,
logging.DEBUG if optz.debug else logging.WARNING )
if not cfg.logging.tracebacks:
class NoTBLogger(logging.Logger):
def exception(self, *argz, **kwz): self.error(*argz, **kwz)
logging.setLoggerClass(NoTBLogger)
log = logging.getLogger(__name__)
# Manholes
if optz.debug_memleaks:
import guppy
from guppy.heapy import Remote
Remote.on()
# Fill "auto-detected" blanks in the configuration, CLI overrides
try:
if optz.destination: cfg.sinks._default.host = optz.destination
cfg.sinks._default.host = cfg.sinks._default.host.rsplit(':', 1)
if len(cfg.sinks._default.host) == 1:
cfg.sinks._default.host =\
cfg.sinks._default.host[0], cfg.sinks._default.default_port
else: cfg.sinks._default.host[1] = int(cfg.sinks._default.host[1])
except KeyError: pass
if optz.interval: cfg.loop.interval = optz.interval
if optz.dry_run: cfg.debug.dry_run = optz.dry_run
if optz.xattr_emulation: cfg.core.xattr_emulation = optz.xattr_emulation
# Fake "xattr" module, if requested
if cfg.core.xattr_emulation:
import shelve
xattr_db = shelve.open(cfg.core.xattr_emulation, 'c')
class xattr_path(object):
def __init__(self, base):
assert isinstance(base, str)
self.base = base
def key(self, k): return '{}\0{}'.format(self.base, k)
def __setitem__(self, k, v): xattr_db[self.key(k)] = v
def __getitem__(self, k): return xattr_db[self.key(k)]
def __del__(self): xattr_db.sync()
class xattr_module(object): xattr = xattr_path
sys.modules['xattr'] = xattr_module
# Override "enabled" collector/sink parameters, based on CLI
ep_conf = dict()
for ep, enabled, disabled in\
[ ('collectors', optz.collector_enable, optz.collector_disable),
('processors', optz.processor_enable, optz.processor_disable),
('sinks', optz.sink_enable, optz.sink_disable) ]:
conf = cfg[ep]
conf_base = conf.pop('_default')
if 'debug' not in conf_base: conf_base['debug'] = cfg.debug
ep_conf[ep] = conf_base, conf, OrderedDict(), enabled, disabled
# Init global cfg for collectors/sinks' usage
from graphite_metrics import collectors, sinks, loops
collectors.cfg = sinks.cfg = loops.cfg = cfg
# Init pluggable components
import pkg_resources
for ep_type in 'collector', 'processor', 'sink':
ep_key = '{}s'.format(ep_type) # a bit of a hack
conf_base, conf, objects, enabled, disabled = ep_conf[ep_key]
ep_dict = dict( (ep.name, ep) for ep in
pkg_resources.iter_entry_points('graphite_metrics.{}'.format(ep_key)) )
eps = OrderedDict(
(name, (ep_dict.pop(name), subconf or AttrDict()))
for name, subconf in conf.viewitems() if name in ep_dict )
eps.update( (name, (module, conf_base))
for name, module in ep_dict.viewitems() )
for ep_name, (ep_module, subconf) in eps.viewitems():
if ep_name[0] == '_':
log.debug( 'Skipping {} enty point,'
' prefixed by underscore: {}'.format(ep_type, ep_name) )
subconf.rebase(conf_base) # fill in "_default" collector parameters
if enabled:
if ep_name in enabled: subconf['enabled'] = True
else: subconf['enabled'] = False
if disabled and ep_name in disabled: subconf['enabled'] = False
if subconf.get('enabled', True):
log.debug('Loading {}: {}'.format(ep_type, ep_name))
try: obj = getattr(ep_module.load(), ep_type)(subconf)
except Exception as err:
log.exception('Failed to load/init {} ({}): {}'.format(ep_type, ep_name, err))
subconf.enabled = False
obj = None
if subconf.get('enabled', True): objects[ep_name] = obj
else:
log.debug(( '{} {} (entry point: {})'
' was disabled after init' ).format(ep_type.title(), obj, ep_name))
if ep_type != 'processor' and not objects:
log.fatal('No {}s were properly enabled/loaded, bailing out'.format(ep_type))
sys.exit(1)
log.debug('{}: {}'.format(ep_key.title(), objects))
loop = dict( (ep.name, ep) for ep in
pkg_resources.iter_entry_points('graphite_metrics.loops') )
conf = AttrDict(**cfg.loop)
if 'debug' not in conf: conf.debug = cfg.debug
loop = loop[cfg.loop.name].load().loop(conf)
collectors, processors, sinks = it.imap( op.itemgetter(2),
op.itemgetter('collectors', 'processors', 'sinks')(ep_conf) )
log.debug(
'Starting main loop: {} ({} collectors, {} processors, {} sinks)'\
.format(loop, len(collectors), len(processors), len(sinks)) )
loop.start(collectors, processors, sinks)
import guppy from guppy.heapy import Remote Remote.on()
def main(argv=None):
import argparse
parser = argparse.ArgumentParser(
description='Discoverable network manager WebUI.')
parser.add_argument('-p',
'--httpd-port',
metavar='port',
type=int,
default=8080,
help='Port to bind WebUI to (default: %(default)s).')
parser.add_argument(
'--httpd-static',
metavar='path',
default=join(dirname(__file__), 'static'),
help='Path to static web assets (default: %(default)s).')
parser.add_argument('--httpd-templates',
metavar='path',
default=join(dirname(__file__), 'templates'),
help='Path to templates (default: %(default)s).')
parser.add_argument(
'--secrets-file',
metavar='path',
default=join(dirname(__file__), 'secrets.bencode'),
help=
'Path to file were all secrets will be stored (default: %(default)s).')
parser.add_argument(
'-w',
'--watchdog-ping-interval',
metavar='seconds',
type=float,
default=10,
help=
'Interval between checks if main process is responsive (default: %(default)s).'
)
# XXX: add manhole
parser.add_argument(
'-l',
'--only-logger',
metavar='logger_name',
help='Only display logging stream from specified'
' logger name (example: nm.core) and errors from twisted logger.')
parser.add_argument(
'--debug-memleaks',
action='store_true',
help=
'Import guppy and enable its manhole to debug memleaks (requires guppy module).'
)
parser.add_argument(
'--debug-deferreds',
action='store_true',
help=
'Set debug mode for deferred objects to produce long tracebacks for unhandled errbacks.'
)
parser.add_argument('--debug',
action='store_true',
help='Verbose operation mode.')
parser.add_argument(
'--noise',
action='store_true',
help='In addition to --debug also dump e.g. all sent/received messages.'
)
opts = parser.parse_args(argv or sys.argv[1:])
# Forked watchdog pid makes sure that twisted reactor isn't stuck (on e.g. blocking call)
pid = os.fork()
if not pid:
watchdog(opts.watchdog_ping_interval)
sys.exit(0)
watchdog_reply_setup(pid)
from nm_wifi_webui.webui import WebUI
from nm_wifi_webui.nm import NMInterface
from nm_wifi_webui import utils
from twisted.internet import reactor, defer
from twisted.web import server
from twisted.application import strports, service
import logging
log = dict()
if opts.only_logger:
log['one_logger'] = opts.only_logger
utils.init_logging(debug=opts.debug, noise=opts.noise, **log)
log = logging.getLogger('interface.core')
if opts.debug_memleaks:
import guppy
from guppy.heapy import Remote
Remote.on()
if opts.debug_deferreds:
defer.Deferred.debug = True
app = service.MultiService()
webui = WebUI(static_path=opts.httpd_static,
templates_path=opts.httpd_templates)
webui.putChild('', webui)
site = server.Site(webui)
site.noisy = False
site.displayTracebacks = False
strports.service('tcp:{}'.format(opts.httpd_port),
site).setServiceParent(app)
nm = NMInterface(opts.secrets_file, webui)
nm.setServiceParent(app)
app.startService()
reactor.addSystemEventTrigger('before', 'shutdown', app.stopService)
log.debug('Starting...')
reactor.run()
log.debug('Finished (exit code: %s)', utils.exit_code)
return utils.exit_code
def Disable():
"""Disable remote debugging."""
Remote.off()
def Enable():
"""Enable remote debugging."""
Remote.on()
def main(argv=None):
import argparse
parser = argparse.ArgumentParser(
description='Discoverable network manager WebUI.')
parser.add_argument('-p', '--httpd-port',
metavar='port', type=int, default=8080,
help='Port to bind WebUI to (default: %(default)s).')
parser.add_argument('--httpd-static',
metavar='path', default=join(dirname(__file__), 'static'),
help='Path to static web assets (default: %(default)s).')
parser.add_argument('--httpd-templates',
metavar='path', default=join(dirname(__file__), 'templates'),
help='Path to templates (default: %(default)s).')
parser.add_argument('--secrets-file',
metavar='path', default=join(dirname(__file__), 'secrets.bencode'),
help='Path to file were all secrets will be stored (default: %(default)s).')
parser.add_argument('-w', '--watchdog-ping-interval',
metavar='seconds', type=float, default=10,
help='Interval between checks if main process is responsive (default: %(default)s).')
# XXX: add manhole
parser.add_argument('-l', '--only-logger', metavar='logger_name',
help='Only display logging stream from specified'
' logger name (example: nm.core) and errors from twisted logger.')
parser.add_argument('--debug-memleaks', action='store_true',
help='Import guppy and enable its manhole to debug memleaks (requires guppy module).')
parser.add_argument('--debug-deferreds', action='store_true',
help='Set debug mode for deferred objects to produce long tracebacks for unhandled errbacks.')
parser.add_argument('--debug', action='store_true', help='Verbose operation mode.')
parser.add_argument('--noise', action='store_true',
help='In addition to --debug also dump e.g. all sent/received messages.')
opts = parser.parse_args(argv or sys.argv[1:])
# Forked watchdog pid makes sure that twisted reactor isn't stuck (on e.g. blocking call)
pid = os.fork()
if not pid:
watchdog(opts.watchdog_ping_interval)
sys.exit(0)
watchdog_reply_setup(pid)
from nm_wifi_webui.webui import WebUI
from nm_wifi_webui.nm import NMInterface
from nm_wifi_webui import utils
from twisted.internet import reactor, defer
from twisted.web import resource, server
from twisted.application import strports, service
from twisted.python.filepath import FilePath
import logging
log = dict()
if opts.only_logger: log['one_logger'] = opts.only_logger
utils.init_logging(debug=opts.debug, noise=opts.noise, **log)
log = logging.getLogger('interface.core')
if opts.debug_memleaks:
import guppy
from guppy.heapy import Remote
Remote.on()
if opts.debug_deferreds: defer.Deferred.debug = True
app = service.MultiService()
webui = WebUI(static_path=opts.httpd_static, templates_path=opts.httpd_templates)
webui.putChild('', webui)
site = server.Site(webui)
site.noisy = False
site.displayTracebacks = False
strports.service('tcp:{}'.format(opts.httpd_port), site).setServiceParent(app)
nm = NMInterface(opts.secrets_file, webui)
nm.setServiceParent(app)
app.startService()
reactor.addSystemEventTrigger('before', 'shutdown', app.stopService)
log.debug('Starting...')
reactor.run()
log.debug('Finished (exit code: %s)', utils.exit_code)
return utils.exit_code
