"""The remote.client module contains the functionality to connect to a
coordinator, acquire a place and interact with the connected resources"""
import argparse
import asyncio
import os
import subprocess
import traceback
import logging
import sys
from textwrap import indent
from socket import gethostname
from getpass import getuser
from collections import defaultdict, OrderedDict
from datetime import datetime
from pprint import pformat
import txaio
from autobahn.asyncio.wamp import ApplicationSession
from .common import *
from ..environment import Environment
from ..exceptions import NoDriverFoundError, NoResourceFoundError, InvalidConfigError
from ..resource.remote import RemotePlaceManager, RemotePlace
from ..util.dict import diff_dict, flat_dict, filter_dict
from ..util.yaml import dump
from .. import Target, target_factory
from ..util.proxy import proxymanager
from ..util.helper import processwrapper
from ..driver import Mode
txaio.use_asyncio()
txaio.config.loop = asyncio.get_event_loop()
[docs]class Error(Exception):
pass
[docs]class UserError(Error):
pass
[docs]class ServerError(Error):
pass
class ClientSession(ApplicationSession):
"""The ClientSession encapsulates all the actions a Client can Invoke on
the coordinator."""
def gethostname(self):
return os.environ.get('LG_HOSTNAME', gethostname())
def getuser(self):
return os.environ.get('LG_USERNAME', getuser())
def onConnect(self):
"""Actions which are executed if a connection is successfully opened."""
self.loop = self.config.extra['loop']
self.connected = self.config.extra['connected']
self.args = self.config.extra.get('args')
self.env = self.config.extra.get('env', None)
self.role = self.config.extra.get('role', None)
self.prog = self.config.extra.get('prog', os.path.basename(sys.argv[0]))
self.monitor = self.config.extra.get('monitor', False)
enable_tcp_nodelay(self)
self.join(
self.config.realm, authmethods=["ticket"],
authid="client/{}/{}".format(self.gethostname(), self.getuser())
)
def onChallenge(self, challenge):
return "dummy-ticket"
async def onJoin(self, details):
# FIXME race condition?
resources = await self.call(
'org.labgrid.coordinator.get_resources'
)
self.resources = {}
for exporter, groups in resources.items():
for group_name, group in sorted(groups.items()):
for resource_name, resource in sorted(group.items()):
await self.on_resource_changed(
exporter, group_name, resource_name, resource
)
places = await self.call('org.labgrid.coordinator.get_places')
self.places = {}
for placename, config in places.items():
await self.on_place_changed(placename, config)
await self.subscribe(
self.on_resource_changed,
'org.labgrid.coordinator.resource_changed'
)
await self.subscribe(
self.on_place_changed, 'org.labgrid.coordinator.place_changed'
)
await self.connected(self)
async def on_resource_changed(self, exporter, group_name, resource_name, resource):
group = self.resources.setdefault(exporter,
{}).setdefault(group_name, {})
# Do not replace the ResourceEntry object, as other components may keep
# a reference to it and want to see changes.
if resource_name not in group:
old = None
group[resource_name] = ResourceEntry(resource)
else:
old = group[resource_name].data
group[resource_name].data = resource
if self.monitor:
if resource and not old:
print("Resource {}/{}/{} created: {}".format(
exporter, group_name, resource_name, resource
))
elif resource and old:
print("Resource {}/{}/{} changed:".format(
exporter, group_name, resource_name,
))
for k, v_old, v_new in diff_dict(flat_dict(old), flat_dict(resource)):
print(" {}: {} -> {}".format(k, v_old, v_new))
else:
print("Resource {}/{}/{} deleted".format(
exporter, group_name, resource_name))
async def on_place_changed(self, name, config):
if not config:
del self.places[name]
if self.monitor:
print("Place {} deleted".format(name))
return
config = config.copy()
config['name'] = name
config['matches'] = [ResourceMatch(**match) \
for match in config['matches']]
config = filter_dict(config, Place, warn=True)
if name not in self.places:
place = Place(**config)
self.places[name] = place
if self.monitor:
print("Place {} created: {}".format(name, place))
else:
place = self.places[name]
old = flat_dict(place.asdict())
place.update(config)
new = flat_dict(place.asdict())
if self.monitor:
print("Place {} changed:".format(name))
for k, v_old, v_new in diff_dict(old, new):
print(" {}: {} -> {}".format(k, v_old, v_new))
async def do_monitor(self):
self.monitor = True
while True:
await asyncio.sleep(3600.0)
async def complete(self):
if self.args.type == 'resources':
for exporter, groups in sorted(self.resources.items()):
for group_name, group in sorted(groups.items()):
for _, resource in sorted(group.items()):
print("{}/{}/{}".format(exporter, group_name, resource.cls))
elif self.args.type == 'places':
for name in sorted(self.places.keys()):
print(name)
def _get_places_by_resource(self, resource_path):
"""Yield Place objects that match the given resource path"""
for place in self.places.values():
match = place.getmatch(resource_path)
if match:
yield place
async def print_resources(self):
"""Print out the resources"""
match = ResourceMatch.fromstr(self.args.match) if self.args.match else None
# filter self.resources according to the arguments
nested = lambda: defaultdict(nested)
filtered = nested()
for exporter, groups in sorted(self.resources.items()):
if self.args.exporter and exporter != self.args.exporter:
continue
for group_name, group in sorted(groups.items()):
for resource_name, resource in sorted(group.items()):
if not (resource.avail or self.args.verbose >= 2):
continue
if self.args.acquired and resource.acquired is None:
continue
if match and not match.ismatch((exporter, group_name,
resource.cls, resource_name)):
continue
filtered[exporter][group_name][resource_name] = resource
# print the filtered resources
if self.args.verbose and not self.args.sort_by_matched_place_change:
for exporter, groups in sorted(filtered.items()):
print("Exporter '{}':".format(exporter))
for group_name, group in sorted(groups.items()):
print(" Group '{group}' ({exporter}/{group}/*):".format(
group=group_name, exporter=exporter))
for resource_name, resource in sorted(group.items()):
print(" Resource '{res}' ({exporter}/{group}/{res_cls}[/{res}]):"
.format(res=resource_name, exporter=exporter, group=group_name,
res_cls=resource.cls))
print(indent(pformat(resource.asdict()), prefix=" "))
else:
results = []
for exporter, groups in sorted(filtered.items()):
for group_name, group in sorted(groups.items()):
for resource_name, resource in sorted(group.items()):
if self.args.sort_by_matched_place_change:
resource_path = (exporter, group_name, resource.cls, resource_name)
places = list(self._get_places_by_resource(resource_path))
# most recently changed place last
places = sorted(places, key=lambda p: p.changed, reverse=True)
else:
places = None
results.append((places, exporter, group_name, resource.cls))
results = sorted(results, key=lambda res: res[0][0].changed if res[0] else 0)
for places, exporter, group_name, resource_cls in results:
if self.args.sort_by_matched_place_change:
places_strs = [
"{}: {:%Y-%m-%d}".format(p.name, datetime.fromtimestamp(p.changed))
for p in places
]
places_info = ", ".join(places_strs) if places_strs else "not used by any place"
else:
places_info = None
line = "{}/{}/{}".format(exporter, group_name, resource_cls)
if places_info is not None:
print("{0:<50s} {1}".format(line, places_info))
else:
print(line)
async def print_places(self):
"""Print out the places"""
if self.args.sort_last_changed:
places = sorted(self.places.items(), key=lambda p: p[1].changed)
else:
places = sorted(self.places.items())
for name, place in places:
if self.args.acquired and place.acquired is None:
continue
if self.args.verbose:
print("Place '{}':".format(name))
place.show(level=1)
else:
line = "{}".format(name)
if place.aliases:
line += " ({})".format(' '.join(place.aliases))
print("{0:<40s} {1}".format(line, place.comment))
def print_who(self):
"""Print acquired places by user"""
result = [tuple('User Host Place Changed'.split())]
for name, place in self.places.items():
if place.acquired is None:
continue
host, user = place.acquired.split('/')
result.append((user, host, name, str(datetime.fromtimestamp(place.changed))))
result.sort()
widths = [max(map(len, c)) for c in zip(*result)]
for user, host, name, changed in result:
print("{0:<{width[0]}s} {1:<{width[1]}s} {2:<{width[2]}s} {3}".format(
user, host, name, changed, width=widths))
def _match_places(self, pattern):
"""search for substring matches of pattern in place names and aliases
Aliases in the format "namespace:alias" only match if the namespace is
the current user name.
"""
result = set()
# reservation token lookup
token = None
if pattern.startswith('+'):
token = pattern[1:]
if not token:
token = os.environ.get('LG_TOKEN', None)
if not token:
return []
for name, place in self.places.items():
if place.reservation == token:
result.add(name)
if not result:
raise UserError("reservation token {} matches nothing".format(token))
return list(result)
# name and alias lookup
for name, place in self.places.items():
if pattern in name:
result.add(name)
for alias in place.aliases:
if ':' in alias:
namespace, alias = alias.split(':', 1)
if namespace != self.getuser():
continue
elif alias == pattern: # prefer user namespace
return [name]
if pattern in alias:
result.add(name)
return list(result)
def _check_allowed(self, place):
if not place.acquired:
raise UserError("place {} is not acquired".format(place.name))
if self.gethostname()+'/'+self.getuser() not in place.allowed:
host, user = place.acquired.split('/')
if user != self.getuser():
raise UserError("place {} is not acquired by your user, acquired by {}".format(
place.name, user))
if host != self.gethostname():
raise UserError("place {} is not acquired on this computer, acquired on {}".format(
place.name, host))
def get_place(self, place=None):
pattern = place or self.args.place
if pattern is None:
raise UserError("place pattern not specified")
places = self._match_places(pattern)
if not places:
raise UserError("place pattern {} matches nothing".format(pattern))
if pattern in places:
return self.places[pattern]
if len(places) > 1:
raise UserError(
"pattern {} matches multiple places ({})".
format(pattern, ', '.join(places))
)
return self.places[places[0]]
def get_idle_place(self, place=None):
place = self.get_place(place)
if place.acquired:
raise UserError("place {} is not idle (acquired by {})".format(
place.name, place.acquired))
return place
def get_acquired_place(self, place=None):
place = self.get_place(place)
self._check_allowed(place)
return place
async def print_place(self):
"""Print out the current place and related resources"""
place = self.get_place()
print("Place '{}':".format(place.name))
place.show(level=1)
if place.acquired:
for resource_path in place.acquired_resources:
(exporter, group_name, cls, resource_name) = resource_path
match = place.getmatch(resource_path)
name = resource_name
if match.rename:
name = match.rename
resource = self.resources[exporter][group_name][resource_name]
print("Acquired resource '{}' ({}/{}/{}/{}):".format(
name, exporter, group_name, resource.cls, resource_name))
print(indent(pformat(resource.asdict()), prefix=" "))
assert resource.cls == cls
else:
for exporter, groups in sorted(self.resources.items()):
for group_name, group in sorted(groups.items()):
for resource_name, resource in sorted(group.items()):
resource_path = (exporter, group_name, resource.cls, resource_name)
match = place.getmatch(resource_path)
if match is None:
continue
name = resource_name
if match.rename:
name = match.rename
print("Matching resource '{}' ({}/{}/{}/{}):".format(
name, exporter, group_name, resource.cls, resource_name))
print(indent(pformat(resource.asdict()), prefix=" "))
async def add_place(self):
"""Add a place to the coordinator"""
name = self.args.place
if not name:
raise UserError("missing place name. Set with -p <place> or via env var $PLACE")
if name in self.places:
raise UserError("{} already exists".format(name))
res = await self.call('org.labgrid.coordinator.add_place', name)
if not res:
raise ServerError("failed to add place {}".format(name))
return res
async def del_place(self):
"""Delete a place from the coordinator"""
pattern = self.args.place
if pattern not in self.places:
raise UserError("deletes require an exact place name")
place = self.places[pattern]
if place.acquired:
raise UserError("place {} is not idle (acquired by {})".format(
place.name, place.acquired))
name = place.name
if not name:
raise UserError("missing place name. Set with -p <place> or via env var $PLACE")
if name not in self.places:
raise UserError("{} does not exist".format(name))
res = await self.call('org.labgrid.coordinator.del_place', name)
if not res:
raise ServerError("failed to delete place {}".format(name))
return res
async def add_alias(self):
"""Add an alias for a place on the coordinator"""
place = self.get_idle_place()
alias = self.args.alias
if alias in place.aliases:
raise UserError(
"place {} already has alias {}".format(place.name, alias)
)
res = await self.call(
'org.labgrid.coordinator.add_place_alias', place.name, alias
)
if not res:
raise ServerError(
"failed to add alias {} for place {}".format(alias, place.name)
)
return res
async def del_alias(self):
"""Delete an alias for a place from the coordinator"""
place = self.get_idle_place()
alias = self.args.alias
if alias not in place.aliases:
raise UserError("place {} has no alias {}".format(place.name, alias))
res = await self.call(
'org.labgrid.coordinator.del_place_alias', place.name, alias
)
if not res:
raise ServerError(
"failed to delete alias {} for place {}".format(alias, place.name)
)
return res
async def set_comment(self):
"""Set the comment on a place"""
place = self.get_place()
comment = ' '.join(self.args.comment)
res = await self.call(
'org.labgrid.coordinator.set_place_comment', place.name, comment
)
if not res:
raise ServerError(
"failed to set comment {} for place {}".format(comment, place.name)
)
return res
async def set_tags(self):
"""Set the tags on a place"""
place = self.get_place()
tags = {}
for pair in self.args.tags:
try:
k, v = pair.split('=')
except ValueError:
raise UserError("tag '{}' needs to match '<key>=<value>'".format(pair))
if not TAG_KEY.match(k):
raise UserError(
"tag key '{}' needs to match the rexex '{}'".format(k, TAG_KEY.pattern)
)
if not TAG_VAL.match(v):
raise UserError(
"tag value '{}' needs to match the rexex '{}'".format(v, TAG_VAL.pattern)
)
tags[k] = v
res = await self.call(
'org.labgrid.coordinator.set_place_tags', place.name, tags
)
if not res:
raise ServerError(
"failed to set tags {} for place {}".format(' '.join(self.args.tags), place.name)
)
return res
async def add_match(self):
"""Add a match for a place, making fuzzy matching available to the
client"""
place = self.get_idle_place()
if place.acquired:
raise UserError("can not change acquired place {}".format(place.name))
for pattern in self.args.patterns:
if pattern in map(repr, place.matches):
print("pattern '{}' exists, skipping".format(pattern))
continue
if not 2 <= pattern.count("/") <= 3:
raise UserError(
"invalid pattern format '{}' (use 'exporter/group/cls/name')".
format(pattern)
)
res = await self.call(
'org.labgrid.coordinator.add_place_match', place.name, pattern
)
if not res:
raise ServerError(
"failed to add match {} for place {}".format(pattern, place.name)
)
async def del_match(self):
"""Delete a match for a place"""
place = self.get_idle_place()
if place.acquired:
raise UserError("can not change acquired place {}".format(place.name))
for pattern in self.args.patterns:
if pattern not in map(repr, place.matches):
print("pattern '{}' not found, skipping".format(pattern))
continue
if not 2 <= pattern.count("/") <= 3:
raise UserError(
"invalid pattern format '{}' (use 'exporter/group/cls/name')".
format(pattern)
)
res = await self.call(
'org.labgrid.coordinator.del_place_match', place.name, pattern
)
if not res:
raise ServerError(
"failed to delete match {} for place {}".
format(pattern, place.name)
)
async def add_named_match(self):
"""Add a named match for a place.
Fuzzy matching is not allowed to avoid accidental names conflicts."""
place = self.get_idle_place()
if place.acquired:
raise UserError("can not change acquired place {}".format(place.name))
pattern = self.args.pattern
name = self.args.name
if pattern in map(repr, place.matches):
raise UserError("pattern '{}' exists".format(pattern))
if not 2 <= pattern.count("/") <= 3:
raise UserError(
"invalid pattern format '{}' (use 'exporter/group/cls/name')".
format(pattern)
)
if '*' in pattern:
raise UserError(
"invalid pattern '{}' ('*' not allowed for named matches)".
format(pattern)
)
if not name:
raise UserError(
"invalid name '{}'".
format(name)
)
res = await self.call(
'org.labgrid.coordinator.add_place_match', place.name, pattern, name
)
if not res:
raise ServerError(
"failed to add match {} for place {}".format(pattern, place.name)
)
async def acquire(self):
"""Acquire a place, marking it unavailable for other clients"""
place = self.get_place()
if place.acquired:
raise UserError(
"place {} is already acquired by {}".
format(place.name, place.acquired)
)
res = await self.call(
'org.labgrid.coordinator.acquire_place', place.name
)
if res:
print("acquired place {}".format(place.name))
return
# check potential failure causes
for exporter, groups in sorted(self.resources.items()):
for group_name, group in sorted(groups.items()):
for resource_name, resource in sorted(group.items()):
resource_path = (exporter, group_name, resource.cls, resource_name)
if resource.acquired is None:
continue
match = place.getmatch(resource_path)
if match is None:
continue
name = resource_name
if match.rename:
name = match.rename
print("Matching resource '{}' ({}/{}/{}/{}) already acquired by place '{}'"
.format(name, exporter, group_name, resource.cls, resource_name,
resource.acquired))
raise ServerError("failed to acquire place {}".format(place.name))
async def release(self):
"""Release a previously acquired place"""
place = self.get_place()
if not place.acquired:
raise UserError("place {} is not acquired".format(place.name))
_, user = place.acquired.split('/')
if user != self.getuser():
if not self.args.kick:
raise UserError("place {} is acquired by a different user ({}), use --kick if you are sure".format(place.name, place.acquired)) # pylint: disable=line-too-long
print("warning: kicking user ({})".format(place.acquired))
res = await self.call(
'org.labgrid.coordinator.release_place', place.name
)
if not res:
raise ServerError("failed to release place {}".format(place.name))
print("released place {}".format(place.name))
async def allow(self):
"""Allow another use access to a previously acquired place"""
place = self.get_place()
if not place.acquired:
raise UserError("place {} is not acquired".format(place.name))
_, user = place.acquired.split('/')
if user != self.getuser():
raise UserError(
"place {} is acquired by a different user ({})".format(place.name, place.acquired)
)
if not '/' in self.args.user:
raise UserError(
"user {} must be in <host>/<username> format".format(self.args.user)
)
res = await self.call('org.labgrid.coordinator.allow_place', place.name, self.args.user)
if not res:
raise ServerError("failed to allow {} for place {}".format(self.args.user, place.name))
print("allowed {} for place {}".format(self.args.user, place.name))
def get_target_resources(self, place):
self._check_allowed(place)
resources = {}
for resource_path in place.acquired_resources:
match = place.getmatch(resource_path)
(exporter, group_name, _, resource_name) = resource_path
name = resource_name
if match.rename:
name = match.rename
resources[name] = self.resources[exporter][group_name][resource_name]
return resources
def get_target_config(self, place):
config = {}
resources = config['resources'] = []
for name, resource in self.get_target_resources(place).items():
args = OrderedDict()
if name != resource.cls:
args['name'] = name
args.update(resource.args)
resources.append({resource.cls: args})
return config
def print_env(self):
place = self.get_acquired_place()
env = {'targets': {place.name: self.get_target_config(place)}}
print(dump(env))
def _prepare_manager(self):
manager = RemotePlaceManager.get()
manager.session = self
manager.loop = self.loop
def _get_target(self, place):
self._prepare_manager()
target = None
if self.env:
target = self.env.get_target(self.role)
if target:
if self.args.state:
if self.args.verbose >= 2:
from labgrid.stepreporter import StepReporter
StepReporter()
from labgrid.strategy import Strategy
from labgrid.driver import SerialDriver
strategy = target.get_driver(Strategy)
print("Transitioning into state {}".format(self.args.state))
strategy.transition(self.args.state)
serial = target.get_active_driver(SerialDriver)
target.deactivate(serial)
else:
target = Target(place.name, env=self.env)
RemotePlace(target, name=place.name)
return target
def power(self):
place = self.get_acquired_place()
action = self.args.action
delay = self.args.delay
target = self._get_target(place)
from ..driver.powerdriver import (NetworkPowerDriver, PDUDaemonDriver,
USBPowerDriver, SiSPMPowerDriver)
from ..resource.power import NetworkPowerPort, PDUDaemonPort
from ..resource.remote import NetworkUSBPowerPort, NetworkSiSPMPowerPort
drv = None
try:
drv = target.get_driver("PowerProtocol")
except NoDriverFoundError:
for resource in target.resources:
if isinstance(resource, NetworkPowerPort):
try:
drv = target.get_driver(NetworkPowerDriver)
except NoDriverFoundError:
drv = NetworkPowerDriver(target, name=None, delay=delay)
break
elif isinstance(resource, NetworkUSBPowerPort):
try:
drv = target.get_driver(USBPowerDriver)
except NoDriverFoundError:
drv = USBPowerDriver(target, name=None, delay=delay)
break
elif isinstance(resource, NetworkSiSPMPowerPort):
try:
drv = target.get_driver(SiSPMPowerDriver)
except NoDriverFoundError:
drv = SiSPMPowerDriver(target, name=None, delay=delay)
break
elif isinstance(resource, PDUDaemonPort):
try:
drv = target.get_driver(PDUDaemonDriver)
except NoDriverFoundError:
drv = PDUDaemonDriver(target, name=None, delay=int(delay))
break
if not drv:
raise UserError("target has no compatible resource available")
target.activate(drv)
res = getattr(drv, action)()
if action == 'get':
print(
"power for place {} is {}".format(
place.name,
'on' if res else 'off',
)
)
def digital_io(self):
place = self.get_acquired_place()
action = self.args.action
name = self.args.name
target = self._get_target(place)
from ..resource.modbus import ModbusTCPCoil
from ..resource.onewireport import OneWirePIO
from ..resource.remote import NetworkDeditecRelais8
from ..resource.remote import NetworkSysfsGPIO
from ..resource.remote import NetworkLXAIOBusPIO
from ..driver.modbusdriver import ModbusCoilDriver
from ..driver.onewiredriver import OneWirePIODriver
from ..driver.deditecrelaisdriver import DeditecRelaisDriver
from ..driver.gpiodriver import GpioDigitalOutputDriver
from ..driver.lxaiobusdriver import LXAIOBusPIODriver
drv = None
try:
drv = target.get_driver("DigitalOutputProtocol")
except NoDriverFoundError:
for resource in target.resources:
if isinstance(resource, ModbusTCPCoil):
try:
drv = target.get_driver(ModbusCoilDriver, name=name)
except NoDriverFoundError:
target.set_binding_map({"coil": name})
drv = ModbusCoilDriver(target, name=name)
break
elif isinstance(resource, OneWirePIO):
try:
drv = target.get_driver(OneWirePIODriver, name=name)
except NoDriverFoundError:
target.set_binding_map({"port": name})
drv = OneWirePIODriver(target, name=name)
break
elif isinstance(resource, NetworkDeditecRelais8):
try:
drv = target.get_driver(DeditecRelaisDriver, name=name)
except NoDriverFoundError:
target.set_binding_map({"relais": name})
drv = DeditecRelaisDriver(target, name=name)
break
elif isinstance(resource, NetworkSysfsGPIO):
try:
drv = target.get_driver(GpioDigitalOutputDriver, name=name)
except NoDriverFoundError:
target.set_binding_map({"gpio": name})
drv = GpioDigitalOutputDriver(target, name=name)
break
elif isinstance(resource, NetworkLXAIOBusPIO):
try:
drv = target.get_driver(LXAIOBusPIODriver, name=name)
except NoDriverFoundError:
target.set_binding_map({"pio": name})
drv = LXAIOBusPIODriver(target, name=name)
break
if not drv:
raise UserError("target has no compatible resource available")
target.activate(drv)
if action == 'get':
print("digital IO {} for place {} is {}".format(
name, place.name, 'high' if drv.get() else 'low'))
elif action == 'high':
drv.set(True)
elif action == 'low':
drv.set(False)
async def _console(self, place, target):
name = self.args.name
from ..resource import NetworkSerialPort
resource = target.get_resource(NetworkSerialPort, name=name)
host, port = proxymanager.get_host_and_port(resource)
# check for valid resources
assert port is not None, "Port is not set"
call = [
'microcom', '-s', str(resource.speed), '-t',
"{}:{}".format(host, port)
]
print("connecting to {} calling {}".format(resource, " ".join(call)))
try:
p = await asyncio.create_subprocess_exec(*call)
except FileNotFoundError as e:
raise ServerError("failed to execute microcom: {}".format(e))
while p.returncode is None:
try:
await asyncio.wait_for(p.wait(), 1.0)
except asyncio.TimeoutError:
# subprocess is still running
pass
try:
self._check_allowed(place)
except UserError:
p.terminate()
try:
await asyncio.wait_for(p.wait(), 1.0)
except asyncio.TimeoutError:
# try harder
p.kill()
await asyncio.wait_for(p.wait(), 1.0)
raise
if p.returncode:
print("connection lost")
return False
return True
async def console(self, place, target):
while True:
res = await self._console(place, target)
if res:
break
if not self.args.loop:
break
await asyncio.sleep(1.0)
console.needs_target = True
def fastboot(self):
place = self.get_acquired_place()
args = self.args.fastboot_args
if not args:
raise UserError("not enough arguments for fastboot")
if args[0] == 'flash':
if len(args) < 3:
raise UserError("not enough arguments for fastboot flash")
args[2] = os.path.abspath(args[2])
elif args[0] == 'boot':
if len(args) < 2:
raise UserError("not enough arguments for fastboot boot")
args[1:] = map(os.path.abspath, args[1:])
target = self._get_target(place)
from ..driver.fastbootdriver import AndroidFastbootDriver
try:
drv = target.get_driver(AndroidFastbootDriver)
except NoDriverFoundError:
drv = AndroidFastbootDriver(target, name=None)
drv.fastboot.timeout = self.args.wait
target.activate(drv)
if args[0] == 'flash':
drv.flash(args[1], args[2])
return
if args[0] == 'boot':
drv.boot(args[1])
return
if args[0:2] == ['oem', 'exec']:
drv.run(" ".join(args[2:]))
return
drv(*args)
def bootstrap(self):
place = self.get_acquired_place()
args = self.args.filename
target = self._get_target(place)
from ..protocol.bootstrapprotocol import BootstrapProtocol
from ..driver.usbloader import IMXUSBDriver, MXSUSBDriver, RKUSBDriver
from ..driver.openocddriver import OpenOCDDriver
from ..resource.remote import (NetworkMXSUSBLoader, NetworkIMXUSBLoader, NetworkRKUSBLoader,
NetworkAlteraUSBBlaster)
drv = None
try:
drv = target.get_driver(BootstrapProtocol)
except NoDriverFoundError:
for resource in target.resources:
if isinstance(resource, NetworkIMXUSBLoader):
try:
drv = target.get_driver(IMXUSBDriver)
except NoDriverFoundError:
drv = IMXUSBDriver(target, name=None)
drv.loader.timeout = self.args.wait
break
elif isinstance(resource, NetworkMXSUSBLoader):
try:
drv = target.get_driver(MXSUSBDriver)
except NoDriverFoundError:
drv = MXSUSBDriver(target, name=None)
drv.loader.timeout = self.args.wait
break
elif isinstance(resource, NetworkAlteraUSBBlaster):
args = dict(arg.split('=', 1) for arg in self.args.bootstrap_args)
try:
drv = target.get_driver(OpenOCDDriver)
except NoDriverFoundError:
drv = OpenOCDDriver(target, name=None, **args)
drv.interface.timeout = self.args.wait
break
elif isinstance(resource, NetworkRKUSBLoader):
try:
drv = target.get_driver(RKUSBDriver)
except NoDriverFoundError:
drv = RKUSBDriver(target, name=None)
drv.loader.timeout = self.args.wait
break
if not drv:
raise UserError("target has no compatible resource available")
target.activate(drv)
drv.load(self.args.filename)
def sd_mux(self):
place = self.get_acquired_place()
action = self.args.action
target = self._get_target(place)
from ..driver.usbsdmuxdriver import USBSDMuxDriver
from ..driver.usbsdwiredriver import USBSDWireDriver
from ..resource.remote import NetworkUSBSDMuxDevice, NetworkUSBSDWireDevice
drv = None
for resource in target.resources:
if isinstance(resource, NetworkUSBSDMuxDevice):
try:
drv = target.get_driver(USBSDMuxDriver)
except NoDriverFoundError:
drv = USBSDMuxDriver(target, name=None)
break
if isinstance(resource, NetworkUSBSDWireDevice):
try:
drv = target.get_driver(USBSDWireDriver)
except NoDriverFoundError:
drv = USBSDWireDriver(target, name=None)
break
if not drv:
raise UserError("target has no compatible resource available")
target.activate(drv)
if isinstance(drv, USBSDWireDriver) and action in ['off', 'client']:
raise UserError("sd-wire does only support 'dut' and 'host' modes")
drv.set_mode(action)
def _get_ip(self, place):
target = self._get_target(place)
from ..resource import EthernetPort, NetworkService
try:
resource = target.get_resource(EthernetPort)
except NoResourceFoundError:
resource = target.get_resource(NetworkService)
return resource.address
matches = []
for details in resource.extra.get('macs').values():
ips = details.get('ips', [])
if not ips:
continue
matches.append((details['timestamp'], ips))
matches.sort()
newest = matches[-1][1]
if len(ips) > 1:
print("multiple IPs found: {}".format(ips))
return None
return newest[0]
def _get_ssh(self):
place = self.get_acquired_place()
target = self._get_target(place)
from ..resource import NetworkService
try:
target.get_resource(NetworkService)
except NoResourceFoundError:
ip = self._get_ip(place)
if not ip:
return
NetworkService(target, address=str(ip), username='root')
from ..driver.sshdriver import SSHDriver
try:
drv = target.get_driver(SSHDriver)
except NoDriverFoundError:
drv = SSHDriver(target, name=None)
target.activate(drv)
return drv
def ssh(self):
drv = self._get_ssh()
res = drv.interact(self.args.leftover)
if res == 255:
print("connection lost (SSH error)")
elif res:
print("connection lost (remote exit code {})".format(res))
def scp(self):
drv = self._get_ssh()
res = drv.scp(src=self.args.src, dst=self.args.dst)
def rsync(self):
drv = self._get_ssh()
res = drv.rsync(src=self.args.src, dst=self.args.dst, extra=self.args.leftover)
def sshfs(self):
drv = self._get_ssh()
res = drv.sshfs(path=self.args.path, mountpoint=self.args.mountpoint)
def telnet(self):
place = self.get_acquired_place()
ip = self._get_ip(place)
if not ip:
return
args = ['telnet', str(ip)]
res = subprocess.call(args)
if res:
print("connection lost")
def video(self):
place = self.get_acquired_place()
quality = self.args.quality
target = self._get_target(place)
from ..driver.usbvideodriver import USBVideoDriver
drv = None
try:
drv = target.get_driver(USBVideoDriver)
except NoDriverFoundError:
drv = USBVideoDriver(target, name=None)
target.activate(drv)
if quality == 'list':
default, variants = drv.get_caps()
for name, caps in variants:
mark = '*' if default == name else ' '
print("{} {:<10s} {:s}".format(mark, name, caps))
else:
drv.stream(quality)
def _get_tmc(self):
place = self.get_acquired_place()
target = self._get_target(place)
from ..driver.usbtmcdriver import USBTMCDriver
from ..resource.remote import NetworkUSBTMC
drv = None
for resource in target.resources:
if isinstance(resource, NetworkUSBTMC):
try:
drv = target.get_driver(USBTMCDriver)
except NoDriverFoundError:
drv = USBTMCDriver(target, name=None)
break
if not drv:
raise UserError("target has no compatible resource available")
target.activate(drv)
return drv
def tmc_command(self):
drv = self._get_tmc()
command = ' '.join(self.args.command)
if not command:
raise UserError("no command given")
if '?' in command:
result = drv.query(command)
print(result)
else:
drv.command(command)
def tmc_query(self):
drv = self._get_tmc()
query = ' '.join(self.args.query)
if not query:
raise UserError("no query given")
result = drv.query(query)
print(result)
def tmc_screen(self):
drv = self._get_tmc()
action = self.args.action
if action in ['show', 'save']:
extension, data = drv.get_screenshot()
filename = 'tmc-screen_{0:%Y-%m-%d}_{0:%H:%M:%S}.{1}'.format(datetime.now(), extension)
open(filename, 'wb').write(data)
print("Saved as {}".format(filename))
if action == 'show':
subprocess.call(['xdg-open', filename])
def tmc_channel(self):
drv = self._get_tmc()
channel = self.args.channel
action = self.args.action
if action == 'info':
data = drv.get_channel_info(channel)
elif action == 'values':
data = drv.get_channel_values(channel)
for k, v in sorted(data.items()):
print("{:<16s} {:<10s}".format(k, str(v)))
def write_image(self):
place = self.get_acquired_place()
target = self._get_target(place)
drv = None
from ..resource.remote import NetworkUSBMassStorage, NetworkUSBSDMuxDevice, \
NetworkUSBSDWireDevice
from ..driver import USBStorageDriver
try:
drv = target.get_driver(USBStorageDriver)
except NoDriverFoundError:
for resource in target.resources:
if isinstance(resource, (NetworkUSBSDMuxDevice, NetworkUSBSDWireDevice,
NetworkUSBMassStorage)):
try:
drv = target.get_driver(USBStorageDriver)
except NoDriverFoundError:
drv = USBStorageDriver(target, name=None)
drv.storage.timeout = self.args.wait
break
if not drv:
raise UserError("target has no compatible resource available")
target.activate(drv)
try:
drv.write_image(self.args.filename, partition=self.args.partition, skip=self.args.skip,
seek=self.args.seek, mode=self.args.write_mode)
except subprocess.CalledProcessError as e:
raise UserError("could not write image to network usb storage: {}".format(e))
except FileNotFoundError as e:
raise UserError(e)
async def create_reservation(self):
filters = ' '.join(self.args.filters)
prio = self.args.prio
res = await self.call('org.labgrid.coordinator.create_reservation', filters, prio=prio)
if res is None:
raise ServerError("failed to create reservation")
((token, config),) = res.items() # we get a one-item dict
config = filter_dict(config, Reservation, warn=True)
res = Reservation(token=token, **config)
if self.args.shell:
print("export LG_TOKEN={}".format(res.token))
else:
print("Reservation '{}':".format(res.token))
res.show(level=1)
if self.args.wait:
if not self.args.shell:
print("Waiting for allocation...")
await self._wait_reservation(res.token, verbose=False)
async def cancel_reservation(self):
token = self.args.token
res = await self.call('org.labgrid.coordinator.cancel_reservation', token)
if not res:
raise ServerError("failed to cancel reservation {}".format(token))
async def _wait_reservation(self, token, verbose=True):
while True:
config = await self.call('org.labgrid.coordinator.poll_reservation', token)
if config is None:
raise ServerError("reservation not found")
config = filter_dict(config, Reservation, warn=True)
res = Reservation(token=token, **config)
if verbose:
res.show()
if res.state is ReservationState.waiting:
await asyncio.sleep(1.0)
else:
break
async def wait_reservation(self):
token = self.args.token
await self._wait_reservation(token)
async def print_reservations(self):
reservations = await self.call('org.labgrid.coordinator.get_reservations')
for token, config in sorted(reservations.items(), key=lambda x: (-x[1]['prio'], x[1]['created'])): # pylint: disable=line-too-long
config = filter_dict(config, Reservation, warn=True)
res = Reservation(token=token, **config)
print("Reservation '{}':".format(res.token))
res.show(level=1)
[docs]def start_session(url, realm, extra):
from autobahn.asyncio.wamp import ApplicationRunner
loop = asyncio.get_event_loop()
ready = asyncio.Event()
async def connected(session): # pylint: disable=unused-argument
ready.set()
if not extra:
extra = {}
extra['loop'] = loop
extra['connected'] = connected
session = [None]
def make(*args, **kwargs):
nonlocal session
session[0] = ClientSession(*args, **kwargs)
return session[0]
url = proxymanager.get_url(url, default_port=20408)
runner = ApplicationRunner(url, realm=realm, extra=extra)
coro = runner.run(make, start_loop=False)
transport, protocol = loop.run_until_complete(coro)
# there is no other notification when the WAMP connection setup times out,
# so we need to wait for one of these protocol futures to resolve
done, pending = loop.run_until_complete(asyncio.wait(
{protocol.is_open, protocol.is_closed},
timeout=30,
return_when=asyncio.FIRST_COMPLETED))
if protocol.is_closed in done:
raise Error("connection closed during setup")
if protocol.is_open in pending:
raise Error("connection timed out during setup")
loop.run_until_complete(ready.wait())
return session[0]
[docs]def find_role_by_place(config, place):
for role, role_config in config.items():
resources, _ = target_factory.normalize_config(role_config)
remote_places = resources.get('RemotePlace', {})
remote_place = remote_places.get(place)
if remote_place:
return role
return None
[docs]def find_any_role_with_place(config):
for role, role_config in config.items():
resources, _ = target_factory.normalize_config(role_config)
remote_places = resources.get('RemotePlace', {})
for place in remote_places:
return (role, place)
return None, None
[docs]def main():
processwrapper.enable_logging()
logging.basicConfig(
level=logging.WARNING,
format='%(levelname)7s: %(message)s',
stream=sys.stderr,
)
# Support both legacy variables and properly namespaced ones
place = os.environ.get('PLACE', None)
place = os.environ.get('LG_PLACE', place)
state = os.environ.get('STATE', None)
state = os.environ.get('LG_STATE', state)
token = os.environ.get('LG_TOKEN', None)
parser = argparse.ArgumentParser()
parser.add_argument(
'-x',
'--crossbar',
metavar='URL',
type=str,
default=os.environ.get("LG_CROSSBAR", "ws://127.0.0.1:20408/ws"),
help="crossbar websocket URL (default: %(default)s)"
)
parser.add_argument(
'-c',
'--config',
type=str,
default=os.environ.get("LG_ENV"),
help="config file"
)
parser.add_argument(
'-p',
'--place',
type=str,
default=place,
help="place name/alias"
)
parser.add_argument(
'-s',
'--state',
type=str,
default=state,
help="strategy state to switch into before command"
)
parser.add_argument(
'-d',
'--debug',
action='store_true',
default=False,
help="enable debug mode (show python tracebacks)"
)
parser.add_argument(
'-v',
'--verbose',
action='count',
default=0
)
parser.add_argument(
'-P',
'--proxy',
type=str,
help="proxy connections via given ssh host"
)
subparsers = parser.add_subparsers(
dest='command',
title='available subcommands',
metavar="COMMAND",
)
subparser = subparsers.add_parser('help')
subparser = subparsers.add_parser('complete')
subparser.add_argument('type', choices=['resources', 'places'])
subparser.set_defaults(func=ClientSession.complete)
subparser = subparsers.add_parser('monitor',
help="monitor events from the coordinator")
subparser.set_defaults(func=ClientSession.do_monitor)
subparser = subparsers.add_parser('resources', aliases=('r',),
help="list available resources")
subparser.add_argument('-a', '--acquired', action='store_true')
subparser.add_argument('-e', '--exporter')
subparser.add_argument('--sort-by-matched-place-change', action='store_true',
help="sort by matched place's changed date (oldest first) and show place and date") # pylint: disable=line-too-long
subparser.add_argument('match', nargs='?')
subparser.set_defaults(func=ClientSession.print_resources)
subparser = subparsers.add_parser('places', aliases=('p',),
help="list available places")
subparser.add_argument('-a', '--acquired', action='store_true')
subparser.add_argument('--sort-last-changed', action='store_true',
help='sort by last changed date (oldest first)')
subparser.set_defaults(func=ClientSession.print_places)
subparser = subparsers.add_parser('who',
help="list acquired places by user")
subparser.set_defaults(func=ClientSession.print_who)
subparser = subparsers.add_parser('show',
help="show a place and related resources")
subparser.set_defaults(func=ClientSession.print_place)
subparser = subparsers.add_parser('create', help="add a new place")
subparser.set_defaults(func=ClientSession.add_place)
subparser = subparsers.add_parser('delete', help="delete an existing place")
subparser.set_defaults(func=ClientSession.del_place)
subparser = subparsers.add_parser('add-alias',
help="add an alias to a place")
subparser.add_argument('alias')
subparser.set_defaults(func=ClientSession.add_alias)
subparser = subparsers.add_parser('del-alias',
help="delete an alias from a place")
subparser.add_argument('alias')
subparser.set_defaults(func=ClientSession.del_alias)
subparser = subparsers.add_parser('set-comment',
help="update the place comment")
subparser.add_argument('comment', nargs='+')
subparser.set_defaults(func=ClientSession.set_comment)
subparser = subparsers.add_parser('set-tags',
help="update the place tags")
subparser.add_argument('tags', metavar='KEY=VALUE', nargs='+',
help="use an empty value for deletion")
subparser.set_defaults(func=ClientSession.set_tags)
subparser = subparsers.add_parser('add-match',
help="add one (or multiple) match pattern(s) to a place")
subparser.add_argument('patterns', metavar='PATTERN', nargs='+')
subparser.set_defaults(func=ClientSession.add_match)
subparser = subparsers.add_parser('del-match',
help="delete one (or multiple) match pattern(s) from a place")
subparser.add_argument('patterns', metavar='PATTERN', nargs='+')
subparser.set_defaults(func=ClientSession.del_match)
subparser = subparsers.add_parser('add-named-match',
help="add one match pattern with a name to a place")
subparser.add_argument('pattern', metavar='PATTERN')
subparser.add_argument('name', metavar='NAME')
subparser.set_defaults(func=ClientSession.add_named_match)
subparser = subparsers.add_parser('acquire',
aliases=('lock',),
help="acquire a place")
subparser.set_defaults(func=ClientSession.acquire)
subparser = subparsers.add_parser('release',
aliases=('unlock',),
help="release a place")
subparser.add_argument('-k', '--kick', action='store_true',
help="release a place even if it is acquired by a different user")
subparser.set_defaults(func=ClientSession.release)
subparser = subparsers.add_parser('allow', help="allow another user to access a place")
subparser.add_argument('user', help="<host>/<username>")
subparser.set_defaults(func=ClientSession.allow)
subparser = subparsers.add_parser('env',
help="generate a labgrid environment file for a place")
subparser.set_defaults(func=ClientSession.print_env)
subparser = subparsers.add_parser('power',
aliases=('pw',),
help="change (or get) a place's power status")
subparser.add_argument('action', choices=['on', 'off', 'cycle', 'get'])
subparser.add_argument('-t', '--delay', type=float, default=1.0,
help='wait time in seconds between off and on during cycle')
subparser.set_defaults(func=ClientSession.power)
subparser = subparsers.add_parser('io',
help="change (or get) a digital IO status")
subparser.add_argument('action', choices=['high', 'low', 'get'], help="action")
subparser.add_argument('name', help="optional resource name", nargs='?')
subparser.set_defaults(func=ClientSession.digital_io)
subparser = subparsers.add_parser('console',
aliases=('con',),
help="connect to the console")
subparser.add_argument('-l', '--loop', action='store_true',
help="keep trying to connect if the console is unavailable")
subparser.add_argument('name', help="optional resource name", nargs='?')
subparser.set_defaults(func=ClientSession.console)
subparser = subparsers.add_parser('fastboot',
help="run fastboot")
subparser.add_argument('fastboot_args', metavar='ARG', nargs=argparse.REMAINDER,
help='fastboot arguments')
subparser.add_argument('--wait', type=float, default=10.0)
subparser.set_defaults(func=ClientSession.fastboot)
subparser = subparsers.add_parser('bootstrap',
help="start a bootloader")
subparser.add_argument('-w', '--wait', type=float, default=10.0)
subparser.add_argument('filename', help='filename to boot on the target')
subparser.add_argument('bootstrap_args', metavar='ARG', nargs=argparse.REMAINDER,
help='extra bootstrap arguments')
subparser.set_defaults(func=ClientSession.bootstrap)
subparser = subparsers.add_parser('sd-mux',
help="switch USB SD Muxer")
subparser.add_argument('action', choices=['dut', 'host', 'off', 'client'])
subparser.set_defaults(func=ClientSession.sd_mux)
subparser = subparsers.add_parser('ssh',
help="connect via ssh (with optional arguments)")
subparser.set_defaults(func=ClientSession.ssh)
subparser = subparsers.add_parser('scp',
help="transfer file via scp")
subparser.add_argument('src', help='source path (use :dir/file for remote side)')
subparser.add_argument('dst', help='destination path (use :dir/file for remote side)')
subparser.set_defaults(func=ClientSession.scp)
subparser = subparsers.add_parser('rsync',
help="transfer files via rsync")
subparser.add_argument('src', help='source path (use :dir/file for remote side)')
subparser.add_argument('dst', help='destination path (use :dir/file for remote side)')
subparser.set_defaults(func=ClientSession.rsync)
subparser = subparsers.add_parser('sshfs',
help="mount via sshfs (blocking)")
subparser.add_argument('path', help='remote path on the target')
subparser.add_argument('mountpoint', help='local path')
subparser.set_defaults(func=ClientSession.sshfs)
subparser = subparsers.add_parser('telnet',
help="connect via telnet")
subparser.set_defaults(func=ClientSession.telnet)
subparser = subparsers.add_parser('video',
help="start a video stream")
subparser.add_argument('-q', '--quality', type=str,
help="select a video quality (use 'list' to show options)")
subparser.set_defaults(func=ClientSession.video)
subparser = subparsers.add_parser('tmc', help="control a USB TMC device")
subparser.set_defaults(func=lambda _: subparser.print_help())
tmc_subparsers = subparser.add_subparsers(
dest='subcommand',
title='available subcommands',
metavar="SUBCOMMAND",
)
tmc_subparser = tmc_subparsers.add_parser('cmd',
aliases=('c',),
help="execute raw command")
tmc_subparser.add_argument('command', nargs='+')
tmc_subparser.set_defaults(func=ClientSession.tmc_command)
tmc_subparser = tmc_subparsers.add_parser('query',
aliases=('q',),
help="execute raw query")
tmc_subparser.add_argument('query', nargs='+')
tmc_subparser.set_defaults(func=ClientSession.tmc_query)
tmc_subparser = tmc_subparsers.add_parser('screen', help="show or save a screenshot")
tmc_subparser.add_argument('action', choices=['show', 'save'])
tmc_subparser.set_defaults(func=ClientSession.tmc_screen)
tmc_subparser = tmc_subparsers.add_parser('channel', help="use a channel")
tmc_subparser.add_argument('channel', type=int)
tmc_subparser.add_argument('action', choices=['info', 'values'])
tmc_subparser.set_defaults(func=ClientSession.tmc_channel)
subparser = subparsers.add_parser('write-image', help="write an image onto mass storage")
subparser.add_argument('-w', '--wait', type=float, default=10.0)
subparser.add_argument('-p', '--partition', type=int, help="partition number to write to")
subparser.add_argument('--skip', type=int, default=0,
help="skip n 512-sized blocks at start of input")
subparser.add_argument('--seek', type=int, default=0,
help="skip n 512-sized blocks at start of output")
subparser.add_argument('--mode', dest='write_mode',
type=Mode, choices=Mode, default=Mode.DD,
help="Choose tool for writing images (default: %(default)s)")
subparser.add_argument('filename', help='filename to boot on the target')
subparser.set_defaults(func=ClientSession.write_image)
subparser = subparsers.add_parser('reserve', help="create a reservation")
subparser.add_argument('--wait', action='store_true',
help="wait until the reservation is allocated")
subparser.add_argument('--shell', action='store_true',
help="format output as shell variables")
subparser.add_argument('--prio', type=float, default=0.0,
help="priority relative to other reservations (default 0)")
subparser.add_argument('filters', metavar='KEY=VALUE', nargs='+',
help="required tags")
subparser.set_defaults(func=ClientSession.create_reservation)
subparser = subparsers.add_parser('cancel-reservation', help="cancel a reservation")
subparser.add_argument('token', type=str, default=token, nargs='?' if token else None)
subparser.set_defaults(func=ClientSession.cancel_reservation)
subparser = subparsers.add_parser('wait', help="wait for a reservation to be allocated")
subparser.add_argument('token', type=str, default=token, nargs='?' if token else None)
subparser.set_defaults(func=ClientSession.wait_reservation)
subparser = subparsers.add_parser('reservations', help="list current reservations")
subparser.set_defaults(func=ClientSession.print_reservations)
# make any leftover arguments available for some commands
args, leftover = parser.parse_known_args()
if args.command not in ['ssh', 'rsync']:
args = parser.parse_args()
else:
args.leftover = leftover
if args.verbose:
logging.getLogger().setLevel(logging.INFO)
if args.debug or args.verbose > 1:
logging.getLogger().setLevel(logging.DEBUG)
if not args.config and args.state:
print("Setting the state requires a configuration file")
exit(1)
if args.proxy:
proxymanager.force_proxy(args.proxy)
env = None
if args.config:
env = Environment(config_file=args.config)
role = None
if env and env.config.get_targets():
if args.place:
role = find_role_by_place(env.config.get_targets(), args.place)
if not role:
print("RemotePlace {} not found in configuration file".format(args.place),
file=sys.stderr)
exit(1)
print("Selected role {} from configuration file".format(role))
else:
role, args.place = find_any_role_with_place(env.config.get_targets())
if not role:
print("No RemotePlace found in configuration file", file=sys.stderr)
exit(1)
print("Selected role {} and place {} from configuration file".format(role, args.place))
extra = {
'args': args,
'env': env,
'role': role,
'prog': parser.prog,
}
if args.command and args.command != 'help':
exitcode = 0
try:
session = start_session(args.crossbar, os.environ.get("LG_CROSSBAR_REALM", "realm1"),
extra)
try:
if asyncio.iscoroutinefunction(args.func):
if getattr(args.func, 'needs_target', False):
place = session.get_acquired_place()
target = session._get_target(place)
coro = args.func(session, place, target)
else:
coro = args.func(session)
session.loop.run_until_complete(coro)
else:
args.func(session)
finally:
session.loop.close()
except NoResourceFoundError as e:
if args.debug:
traceback.print_exc()
else:
print("{}: error: {}".format(parser.prog, e), file=sys.stderr)
print("This may be caused by disconnected exporter or wrong match entries.\nYou can use the 'show' command to review all matching resources.", file=sys.stderr) # pylint: disable=line-too-long
exitcode = 1
except NoDriverFoundError as e:
if args.debug:
traceback.print_exc()
else:
print("{}: error: {}".format(parser.prog, e), file=sys.stderr)
print("This is likely caused by an error or missing driver in the environment configuration.", file=sys.stderr) # pylint: disable=line-too-long
exitcode = 1
except InvalidConfigError as e:
if args.debug:
traceback.print_exc()
else:
print("{}: error: {}".format(parser.prog, e), file=sys.stderr)
print("This is likely caused by an error in the environment configuration or invalid\nresource information provided by the coordinator.", file=sys.stderr) # pylint: disable=line-too-long
exitcode = 1
except ConnectionError as e:
print("Could not connect to coordinator: {}".format(e))
exitcode = 1
except Error as e:
if args.debug:
traceback.print_exc()
else:
print("{}: error: {}".format(parser.prog, e), file=sys.stderr)
exitcode = 1
except KeyboardInterrupt:
exitcode = 0
except Exception: # pylint: disable=broad-except
traceback.print_exc()
exitcode = 2
exit(exitcode)
else:
parser.print_help()
if __name__ == "__main__":
main()