/usr/lib/python3/dist-packages/glances/plugins/glances_docker.py is in glances 2.11.1-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 | # -*- coding: utf-8 -*-
#
# This file is part of Glances.
#
# Copyright (C) 2017 Nicolargo <nicolas@nicolargo.com>
#
# Glances is free software; you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Glances is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
"""Docker plugin."""
import os
import re
import threading
import time
from glances.compat import iterkeys, itervalues
from glances.logger import logger
from glances.timer import getTimeSinceLastUpdate
from glances.plugins.glances_plugin import GlancesPlugin
from glances.globals import WINDOWS
# Docker-py library (optional and Linux-only)
# https://github.com/docker/docker-py
try:
import docker
import requests
except ImportError as e:
logger.debug("Docker library not found (%s). Glances cannot grab Docker info." % e)
docker_tag = False
else:
docker_tag = True
class Plugin(GlancesPlugin):
"""Glances Docker plugin.
stats is a list
"""
def __init__(self, args=None):
"""Init the plugin."""
super(Plugin, self).__init__(args=args)
# The plgin can be disable using: args.disable_docker
self.args = args
# We want to display the stat in the curse interface
self.display_curse = True
# Init the Docker API
self.docker_client = False
# Dict of thread (to grab stats asynchroniously, one thread is created by container)
# key: Container Id
# value: instance of ThreadDockerGrabber
self.thread_list = {}
# Init the stats
self.reset()
def exit(self):
"""Overwrite the exit method to close threads"""
for t in itervalues(self.thread_list):
t.stop()
# Call the father class
super(Plugin, self).exit()
def get_key(self):
"""Return the key of the list."""
return 'name'
def get_export(self):
"""Overwrite the default export method.
- Only exports containers
- The key is the first container name
"""
ret = []
try:
ret = self.stats['containers']
except KeyError as e:
logger.debug("docker plugin - Docker export error {}".format(e))
return ret
def __connect_old(self, version):
"""Connect to the Docker server with the 'old school' method"""
# Glances is compatible with both API 2.0 and <2.0
# (thanks to the @bacondropped patch)
if hasattr(docker, 'APIClient'):
# Correct issue #1000 for API 2.0
init_docker = docker.APIClient
elif hasattr(docker, 'Client'):
# < API 2.0
init_docker = docker.Client
else:
# Can not found init method (new API version ?)
logger.error("docker plugin - Can not found any way to init the Docker API")
return None
# Init connection to the Docker API
try:
if WINDOWS:
url = 'npipe:////./pipe/docker_engine'
else:
url = 'unix://var/run/docker.sock'
if version is None:
ret = init_docker(base_url=url)
else:
ret = init_docker(base_url=url,
version=version)
except NameError:
# docker lib not found
return None
return ret
def connect(self, version=None):
"""Connect to the Docker server."""
if hasattr(docker, 'from_env') and version is not None:
# Connect to Docker using the default socket or
# the configuration in your environment
ret = docker.from_env()
else:
ret = self.__connect_old(version=version)
# Check the server connection with the version() method
try:
ret.version()
except requests.exceptions.ConnectionError as e:
# Connexion error (Docker not detected)
# Let this message in debug mode
logger.debug("docker plugin - Can't connect to the Docker server (%s)" % e)
return None
except docker.errors.APIError as e:
if version is None:
# API error (Version mismatch ?)
logger.debug("docker plugin - Docker API error (%s)" % e)
# Try the connection with the server version
version = re.search('(?:server API version|server)\:\ (.*)\)\".*\)', str(e))
if version:
logger.debug("docker plugin - Try connection with Docker API version %s" % version.group(1))
ret = self.connect(version=version.group(1))
else:
logger.debug("docker plugin - Can not retreive Docker server version")
ret = None
else:
# API error
logger.error("docker plugin - Docker API error (%s)" % e)
ret = None
except Exception as e:
# Others exceptions...
# Connexion error (Docker not detected)
logger.error("docker plugin - Can't connect to the Docker server (%s)" % e)
ret = None
# Log an info if Docker plugin is disabled
if ret is None:
logger.debug("docker plugin - Docker plugin is disable because an error has been detected")
return ret
def reset(self):
"""Reset/init the stats."""
self.stats = {}
@GlancesPlugin._check_decorator
@GlancesPlugin._log_result_decorator
def update(self):
"""Update Docker stats using the input method."""
global docker_tag
# Reset stats
self.reset()
# Get the current Docker API client
if not self.docker_client:
# First time, try to connect to the server
try:
self.docker_client = self.connect()
except Exception:
docker_tag = False
else:
if self.docker_client is None:
docker_tag = False
# The Docker-py lib is mandatory
if not docker_tag:
return self.stats
if self.input_method == 'local':
# Update stats
# Docker version
# Exemple: {
# "KernelVersion": "3.16.4-tinycore64",
# "Arch": "amd64",
# "ApiVersion": "1.15",
# "Version": "1.3.0",
# "GitCommit": "c78088f",
# "Os": "linux",
# "GoVersion": "go1.3.3"
# }
try:
self.stats['version'] = self.docker_client.version()
except Exception as e:
# Correct issue#649
logger.error("{} plugin - Cannot get Docker version ({})".format(self.plugin_name, e))
return self.stats
# Container globals information
# Example: [{u'Status': u'Up 36 seconds',
# u'Created': 1420378904,
# u'Image': u'nginx:1',
# u'Ports': [{u'Type': u'tcp', u'PrivatePort': 443},
# {u'IP': u'0.0.0.0', u'Type': u'tcp', u'PublicPort': 8080, u'PrivatePort': 80}],
# u'Command': u"nginx -g 'daemon off;'",
# u'Names': [u'/webstack_nginx_1'],
# u'Id': u'b0da859e84eb4019cf1d965b15e9323006e510352c402d2f442ea632d61faaa5'}]
# Update current containers list
try:
self.stats['containers'] = self.docker_client.containers() or []
except Exception as e:
logger.error("{} plugin - Cannot get containers list ({})".format(self.plugin_name, e))
return self.stats
# Start new thread for new container
for container in self.stats['containers']:
if container['Id'] not in self.thread_list:
# Thread did not exist in the internal dict
# Create it and add it to the internal dict
logger.debug("{} plugin - Create thread for container {}".format(self.plugin_name, container['Id'][:12]))
t = ThreadDockerGrabber(self.docker_client, container['Id'])
self.thread_list[container['Id']] = t
t.start()
# Stop threads for non-existing containers
nonexisting_containers = set(iterkeys(self.thread_list)) - set([c['Id'] for c in self.stats['containers']])
for container_id in nonexisting_containers:
# Stop the thread
logger.debug("{} plugin - Stop thread for old container {}".format(self.plugin_name, container_id[:12]))
self.thread_list[container_id].stop()
# Delete the item from the dict
del self.thread_list[container_id]
# Get stats for all containers
for container in self.stats['containers']:
# The key is the container name and not the Id
container['key'] = self.get_key()
# Export name (first name in the list, without the /)
container['name'] = container['Names'][0][1:]
container['cpu'] = self.get_docker_cpu(container['Id'], self.thread_list[container['Id']].stats)
container['memory'] = self.get_docker_memory(container['Id'], self.thread_list[container['Id']].stats)
container['network'] = self.get_docker_network(container['Id'], self.thread_list[container['Id']].stats)
container['io'] = self.get_docker_io(container['Id'], self.thread_list[container['Id']].stats)
elif self.input_method == 'snmp':
# Update stats using SNMP
# Not available
pass
return self.stats
def get_docker_cpu(self, container_id, all_stats):
"""Return the container CPU usage.
Input: id is the full container id
all_stats is the output of the stats method of the Docker API
Output: a dict {'total': 1.49}
"""
cpu_new = {}
ret = {'total': 0.0}
# Read the stats
# For each container, you will find a pseudo-file cpuacct.stat,
# containing the CPU usage accumulated by the processes of the container.
# Those times are expressed in ticks of 1/USER_HZ of a second.
# On x86 systems, USER_HZ is 100.
try:
cpu_new['total'] = all_stats['cpu_stats']['cpu_usage']['total_usage']
cpu_new['system'] = all_stats['cpu_stats']['system_cpu_usage']
cpu_new['nb_core'] = len(all_stats['cpu_stats']['cpu_usage']['percpu_usage'] or [])
except KeyError as e:
# all_stats do not have CPU information
logger.debug("docker plugin - Cannot grab CPU usage for container {} ({})".format(container_id, e))
logger.debug(all_stats)
else:
# Previous CPU stats stored in the cpu_old variable
if not hasattr(self, 'cpu_old'):
# First call, we init the cpu_old variable
self.cpu_old = {}
try:
self.cpu_old[container_id] = cpu_new
except (IOError, UnboundLocalError):
pass
if container_id not in self.cpu_old:
try:
self.cpu_old[container_id] = cpu_new
except (IOError, UnboundLocalError):
pass
else:
#
cpu_delta = float(cpu_new['total'] - self.cpu_old[container_id]['total'])
system_delta = float(cpu_new['system'] - self.cpu_old[container_id]['system'])
if cpu_delta > 0.0 and system_delta > 0.0:
ret['total'] = (cpu_delta / system_delta) * float(cpu_new['nb_core']) * 100
# Save stats to compute next stats
self.cpu_old[container_id] = cpu_new
# Return the stats
return ret
def get_docker_memory(self, container_id, all_stats):
"""Return the container MEMORY.
Input: id is the full container id
all_stats is the output of the stats method of the Docker API
Output: a dict {'rss': 1015808, 'cache': 356352, 'usage': ..., 'max_usage': ...}
"""
ret = {}
# Read the stats
try:
# Do not exist anymore with Docker 1.11 (issue #848)
# ret['rss'] = all_stats['memory_stats']['stats']['rss']
# ret['cache'] = all_stats['memory_stats']['stats']['cache']
ret['usage'] = all_stats['memory_stats']['usage']
ret['limit'] = all_stats['memory_stats']['limit']
ret['max_usage'] = all_stats['memory_stats']['max_usage']
except (KeyError, TypeError) as e:
# all_stats do not have MEM information
logger.debug("docker plugin - Cannot grab MEM usage for container {} ({})".format(container_id, e))
logger.debug(all_stats)
# Return the stats
return ret
def get_docker_network(self, container_id, all_stats):
"""Return the container network usage using the Docker API (v1.0 or higher).
Input: id is the full container id
Output: a dict {'time_since_update': 3000, 'rx': 10, 'tx': 65}.
with:
time_since_update: number of seconds elapsed between the latest grab
rx: Number of byte received
tx: Number of byte transmited
"""
# Init the returned dict
network_new = {}
# Read the rx/tx stats (in bytes)
try:
netcounters = all_stats["networks"]
except KeyError as e:
# all_stats do not have NETWORK information
logger.debug("docker plugin - Cannot grab NET usage for container {} ({})".format(container_id, e))
logger.debug(all_stats)
# No fallback available...
return network_new
# Previous network interface stats are stored in the network_old variable
if not hasattr(self, 'inetcounters_old'):
# First call, we init the network_old var
self.netcounters_old = {}
try:
self.netcounters_old[container_id] = netcounters
except (IOError, UnboundLocalError):
pass
if container_id not in self.netcounters_old:
try:
self.netcounters_old[container_id] = netcounters
except (IOError, UnboundLocalError):
pass
else:
# By storing time data we enable Rx/s and Tx/s calculations in the
# XML/RPC API, which would otherwise be overly difficult work
# for users of the API
try:
network_new['time_since_update'] = getTimeSinceLastUpdate('docker_net_{}'.format(container_id))
network_new['rx'] = netcounters["eth0"]["rx_bytes"] - self.netcounters_old[container_id]["eth0"]["rx_bytes"]
network_new['tx'] = netcounters["eth0"]["tx_bytes"] - self.netcounters_old[container_id]["eth0"]["tx_bytes"]
network_new['cumulative_rx'] = netcounters["eth0"]["rx_bytes"]
network_new['cumulative_tx'] = netcounters["eth0"]["tx_bytes"]
except KeyError as e:
# all_stats do not have INTERFACE information
logger.debug("docker plugin - Cannot grab network interface usage for container {} ({})".format(container_id, e))
logger.debug(all_stats)
# Save stats to compute next bitrate
self.netcounters_old[container_id] = netcounters
# Return the stats
return network_new
def get_docker_io(self, container_id, all_stats):
"""Return the container IO usage using the Docker API (v1.0 or higher).
Input: id is the full container id
Output: a dict {'time_since_update': 3000, 'ior': 10, 'iow': 65}.
with:
time_since_update: number of seconds elapsed between the latest grab
ior: Number of byte readed
iow: Number of byte written
"""
# Init the returned dict
io_new = {}
# Read the ior/iow stats (in bytes)
try:
iocounters = all_stats["blkio_stats"]
except KeyError as e:
# all_stats do not have io information
logger.debug("docker plugin - Cannot grab block IO usage for container {} ({})".format(container_id, e))
logger.debug(all_stats)
# No fallback available...
return io_new
# Previous io interface stats are stored in the io_old variable
if not hasattr(self, 'iocounters_old'):
# First call, we init the io_old var
self.iocounters_old = {}
try:
self.iocounters_old[container_id] = iocounters
except (IOError, UnboundLocalError):
pass
if container_id not in self.iocounters_old:
try:
self.iocounters_old[container_id] = iocounters
except (IOError, UnboundLocalError):
pass
else:
# By storing time data we enable IoR/s and IoW/s calculations in the
# XML/RPC API, which would otherwise be overly difficult work
# for users of the API
try:
# Read IOR and IOW value in the structure list of dict
ior = [i for i in iocounters['io_service_bytes_recursive'] if i['op'] == 'Read'][0]['value']
iow = [i for i in iocounters['io_service_bytes_recursive'] if i['op'] == 'Write'][0]['value']
ior_old = [i for i in self.iocounters_old[container_id]['io_service_bytes_recursive'] if i['op'] == 'Read'][0]['value']
iow_old = [i for i in self.iocounters_old[container_id]['io_service_bytes_recursive'] if i['op'] == 'Write'][0]['value']
except (IndexError, KeyError) as e:
# all_stats do not have io information
logger.debug("docker plugin - Cannot grab block IO usage for container {} ({})".format(container_id, e))
else:
io_new['time_since_update'] = getTimeSinceLastUpdate('docker_io_{}'.format(container_id))
io_new['ior'] = ior - ior_old
io_new['iow'] = iow - iow_old
io_new['cumulative_ior'] = ior
io_new['cumulative_iow'] = iow
# Save stats to compute next bitrate
self.iocounters_old[container_id] = iocounters
# Return the stats
return io_new
def get_user_ticks(self):
"""Return the user ticks by reading the environment variable."""
return os.sysconf(os.sysconf_names['SC_CLK_TCK'])
def get_stats_action(self):
"""Return stats for the action
Docker will return self.stats['containers']"""
return self.stats['containers']
def update_views(self):
"""Update stats views."""
# Call the father's method
super(Plugin, self).update_views()
if 'containers' not in self.stats:
return False
# Add specifics informations
# Alert
for i in self.stats['containers']:
# Init the views for the current container (key = container name)
self.views[i[self.get_key()]] = {'cpu': {}, 'mem': {}}
# CPU alert
if 'cpu' in i and 'total' in i['cpu']:
# Looking for specific CPU container threasold in the conf file
alert = self.get_alert(i['cpu']['total'],
header=i['name'] + '_cpu',
action_key=i['name'])
if alert == 'DEFAULT':
# Not found ? Get back to default CPU threasold value
alert = self.get_alert(i['cpu']['total'], header='cpu')
self.views[i[self.get_key()]]['cpu']['decoration'] = alert
# MEM alert
if 'memory' in i and 'usage' in i['memory']:
# Looking for specific MEM container threasold in the conf file
alert = self.get_alert(i['memory']['usage'],
maximum=i['memory']['limit'],
header=i['name'] + '_mem',
action_key=i['name'])
if alert == 'DEFAULT':
# Not found ? Get back to default MEM threasold value
alert = self.get_alert(i['memory']['usage'],
maximum=i['memory']['limit'],
header='mem')
self.views[i[self.get_key()]]['mem']['decoration'] = alert
return True
def msg_curse(self, args=None):
"""Return the dict to display in the curse interface."""
# Init the return message
ret = []
# Only process if stats exist (and non null) and display plugin enable...
if not self.stats or len(self.stats['containers']) == 0 or self.is_disable():
return ret
# Build the string message
# Title
msg = '{}'.format('CONTAINERS')
ret.append(self.curse_add_line(msg, "TITLE"))
msg = ' {}'.format(len(self.stats['containers']))
ret.append(self.curse_add_line(msg))
msg = ' (served by Docker {})'.format(self.stats['version']["Version"])
ret.append(self.curse_add_line(msg))
ret.append(self.curse_new_line())
# Header
ret.append(self.curse_new_line())
# msg = '{:>14}'.format('Id')
# ret.append(self.curse_add_line(msg))
# Get the maximum containers name (cutted to 20 char max)
name_max_width = min(20, len(max(self.stats['containers'], key=lambda x: len(x['name']))['name']))
msg = ' {:{width}}'.format('Name', width=name_max_width)
ret.append(self.curse_add_line(msg))
msg = '{:>26}'.format('Status')
ret.append(self.curse_add_line(msg))
msg = '{:>6}'.format('CPU%')
ret.append(self.curse_add_line(msg))
msg = '{:>7}'.format('MEM')
ret.append(self.curse_add_line(msg))
msg = '{:>7}'.format('/MAX')
ret.append(self.curse_add_line(msg))
msg = '{:>7}'.format('IOR/s')
ret.append(self.curse_add_line(msg))
msg = '{:>7}'.format('IOW/s')
ret.append(self.curse_add_line(msg))
msg = '{:>7}'.format('Rx/s')
ret.append(self.curse_add_line(msg))
msg = '{:>7}'.format('Tx/s')
ret.append(self.curse_add_line(msg))
msg = ' {:8}'.format('Command')
ret.append(self.curse_add_line(msg))
# Data
for container in self.stats['containers']:
ret.append(self.curse_new_line())
# Id
# msg = '{:>14}'.format(container['Id'][0:12])
# ret.append(self.curse_add_line(msg))
# Name
name = container['name']
if len(name) > name_max_width:
name = '_' + name[-name_max_width + 1:]
else:
name = name[:name_max_width]
msg = ' {:{width}}'.format(name, width=name_max_width)
ret.append(self.curse_add_line(msg))
# Status
status = self.container_alert(container['Status'])
msg = container['Status'].replace("minute", "min")
msg = '{:>26}'.format(msg[0:25])
ret.append(self.curse_add_line(msg, status))
# CPU
try:
msg = '{:>6.1f}'.format(container['cpu']['total'])
except KeyError:
msg = '{:>6}'.format('?')
ret.append(self.curse_add_line(msg, self.get_views(item=container['name'],
key='cpu',
option='decoration')))
# MEM
try:
msg = '{:>7}'.format(self.auto_unit(container['memory']['usage']))
except KeyError:
msg = '{:>7}'.format('?')
ret.append(self.curse_add_line(msg, self.get_views(item=container['name'],
key='mem',
option='decoration')))
try:
msg = '{:>7}'.format(self.auto_unit(container['memory']['limit']))
except KeyError:
msg = '{:>7}'.format('?')
ret.append(self.curse_add_line(msg))
# IO R/W
for r in ['ior', 'iow']:
try:
value = self.auto_unit(int(container['io'][r] // container['io']['time_since_update'] * 8)) + "b"
msg = '{:>7}'.format(value)
except KeyError:
msg = '{:>7}'.format('?')
ret.append(self.curse_add_line(msg))
# NET RX/TX
if args.byte:
# Bytes per second (for dummy)
to_bit = 1
unit = ''
else:
# Bits per second (for real network administrator | Default)
to_bit = 8
unit = 'b'
for r in ['rx', 'tx']:
try:
value = self.auto_unit(int(container['network'][r] // container['network']['time_since_update'] * to_bit)) + unit
msg = '{:>7}'.format(value)
except KeyError:
msg = '{:>7}'.format('?')
ret.append(self.curse_add_line(msg))
# Command
msg = ' {}'.format(container['Command'])
ret.append(self.curse_add_line(msg, splittable=True))
return ret
def container_alert(self, status):
"""Analyse the container status."""
if "Paused" in status:
return 'CAREFUL'
else:
return 'OK'
class ThreadDockerGrabber(threading.Thread):
"""
Specific thread to grab docker stats.
stats is a dict
"""
def __init__(self, docker_client, container_id):
"""Init the class:
docker_client: instance of Docker-py client
container_id: Id of the container"""
logger.debug("docker plugin - Create thread for container {}".format(container_id[:12]))
super(ThreadDockerGrabber, self).__init__()
# Event needed to stop properly the thread
self._stopper = threading.Event()
# The docker-py return stats as a stream
self._container_id = container_id
self._stats_stream = docker_client.stats(container_id, decode=True)
# The class return the stats as a dict
self._stats = {}
def run(self):
"""Function called to grab stats.
Infinite loop, should be stopped by calling the stop() method"""
for i in self._stats_stream:
self._stats = i
time.sleep(0.1)
if self.stopped():
break
@property
def stats(self):
"""Stats getter"""
return self._stats
@stats.setter
def stats(self, value):
"""Stats setter"""
self._stats = value
def stop(self, timeout=None):
"""Stop the thread"""
logger.debug("docker plugin - Close thread for container {}".format(self._container_id[:12]))
self._stopper.set()
def stopped(self):
"""Return True is the thread is stopped"""
return self._stopper.isSet()
|