docker SDK для python на centos не может получить поле контейнерных сетей - PullRequest
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docker SDK для python на centos не может получить поле контейнерных сетей

0 голосов
/ 30 марта 2020

Я могу получить использование сетевого ресурса контейнера docker через поле networks в docker SDK для python в Ubuntu. Однако, поскольку проекту необходимо было перенести его в centos, было обнаружено, что он не удалось получить networks контейнера.

docker sdk для python версии 

docker==4.1.0

centos

версия хоста 

# lsb_release -a
LSB Version:    :core-4.1-amd64:core-4.1-noarch
Distributor ID: CentOS
Description:    CentOS Linux release 7.5.1804 (Core) 
Release:        7.5.1804
Codename:       Core

сентос docker версия 

# docker version
Client:
 Version:       17.12.1-ce
 API version:   1.35
 Go version:    go1.9.4
 Git commit:    7390fc6
 Built: Tue Feb 27 22:15:20 2018
 OS/Arch:       linux/amd64

Server:
 Engine:
  Version:      17.12.1-ce
  API version:  1.35 (minimum version 1.12)
  Go version:   go1.9.4
  Git commit:   7390fc6
  Built:        Tue Feb 27 22:17:54 2018
  OS/Arch:      linux/amd64
  Experimental: false

docker версия 

# docker version
Client:
 Version:       17.12.1-ce
 API version:   1.35
 Go version:    go1.9.4
 Git commit:    7390fc6
 Built: Tue Feb 27 22:15:20 2018
 OS/Arch:       linux/amd64

Server:
 Engine:
  Version:      17.12.1-ce
  API version:  1.35 (minimum version 1.12)
  Go version:   go1.9.4
  Git commit:   7390fc6
  Built:        Tue Feb 27 22:17:54 2018
  OS/Arch:      linux/amd64
  Experimental: false

python код 

docker sdk for python

import docker
client = docker.from_env()
stats = container.stats(stream=False)
print(stats)
print(str(list(stats['networks'].values())[0]['rx_bytes']))

стандартный вывод 

{'read': '2020-03-30T13:22:01.786097801Z', 'preread': '2020-03-30T13:22:00.786132317Z', 
'pids_stats': {'current': 10}, 'blkio_stats': {'io_service_bytes_recursive': [], 'io_serviced_recursive': [], 
'io_queue_recursive': [], 'io_service_time_recursive': [], 'io_wait_time_recursive': [], 
'io_merged_recursive': [], 'io_time_recursive': [], 'sectors_recursive': []}, 'num_procs': 0, 'storage_stats': 
{}, 'cpu_stats': {'cpu_usage': {'total_usage': 1364516186, 'percpu_usage': [65757133, 62557842, 
66162812, 382085241, 167700841, 436523454, 119855237, 63873626], 'usage_in_kernelmode': 
400000000, 'usage_in_usermode': 850000000}, 'system_cpu_usage': 2370139470000000, 
'online_cpus': 8, 'throttling_data': {'periods': 0, 'throttled_periods': 0, 'throttled_time': 0}}, 
'precpu_stats': {'cpu_usage': {'total_usage': 1364424315, 'percpu_usage': [65665262, 62557842, 
66162812, 382085241, 167700841, 436523454, 119855237, 63873626], 'usage_in_kernelmode': 
400000000, 'usage_in_usermode': 850000000}, 'system_cpu_usage': 2370131490000000, 
'online_cpus': 8, 'throttling_data': {'periods': 0, 'throttled_periods': 0, 'throttled_time': 0}}, 
'memory_stats': {'usage': 75448320, 'max_usage': 76050432, 'stats': {'active_anon': 75448320, 
'active_file': 0, 'cache': 0, 'dirty': 0, 'hierarchical_memory_limit': 9223372036854771712, 
'hierarchical_memsw_limit': 9223372036854771712, 'inactive_anon': 0, 'inactive_file': 0, 'mapped_file':
 0, 'pgfault': 28619, 'pgmajfault': 0, 'pgpgin': 20295, 'pgpgout': 8518, 'rss': 75448320, 'rss_huge': 
27262976, 'total_active_anon': 75448320, 'total_active_file': 0, 'total_cache': 0, 'total_dirty': 0, 
'total_inactive_anon': 0, 'total_inactive_file': 0, 'total_mapped_file': 0, 'total_pgfault': 28619, 
'total_pgmajfault': 0, 'total_pgpgin': 20295, 'total_pgpgout': 8518, 'total_rss': 75448320, 
'total_rss_huge': 27262976, 'total_unevictable': 0, 'total_writeback': 0, 'unevictable': 0, 'writeback': 0}, 
'limit': 66312925184}, 'name': '/xxxxx', 'id': 'xxxxx'}

ERROR:collect_data:'networks'

Но когда я запускаю его в Ubuntu

Ubuntu

версия Ubuntu 

# lsb_release -a
LSB Version:    core-9.20170808ubuntu1-noarch:security-9.20170808ubuntu1-noarch
Distributor ID: Ubuntu
Description:    Ubuntu 18.04.3 LTS
Release:        18.04
Codename:       bionic

docker версия 

# docker version
Client:
 Version:           18.09.7
 API version:       1.39
 Go version:        go1.10.1
 Git commit:        2d0083d
 Built:             Fri Aug 16 14:20:06 2019
 OS/Arch:           linux/amd64
 Experimental:      false

Server:
 Engine:
  Version:          18.09.7
  API version:      1.39 (minimum version 1.12)
  Go version:       go1.10.1
  Git commit:       2d0083d
  Built:            Wed Aug 14 19:41:23 2019
  OS/Arch:          linux/amd64
  Experimental:     false

python код 

docker sdk for python

import docker
client = docker.from_env()
stats = container.stats(stream=False)
print(stats)
print(str(list(stats['networks'].values())[0]['rx_bytes']))

стандартный вывод 

{'read': '2020-03-30T13:07:01.094199037Z', 'preread': '2020-03-30T13:07:00.093103158Z', 
'pids_stats': {'current': 7}, 'blkio_stats': {'io_service_bytes_recursive': [{'major': 252, 'minor': 0, 'op': 
'Read', 'value': 0}, {'major': 252, 'minor': 0, 'op': 'Write', 'value': 385507328}, {'major': 252, 'minor': 0, 
'op': 'Sync', 'value': 241664}, {'major': 252, 'minor': 0, 'op': 'Async', 'value': 385265664}, {'major': 252, 
'minor': 0, 'op': 'Total', 'value': 385507328}], 'io_serviced_recursive': [{'major': 252, 'minor': 0, 'op': 
'Read', 'value': 0}, {'major': 252, 'minor': 0, 'op': 'Write', 'value': 11678}, {'major': 252, 'minor': 0, 'op': 
'Sync', 'value': 1334}, {'major': 252, 'minor': 0, 'op': 'Async', 'value': 10344}, {'major': 252, 'minor': 0, 
'op': 'Total', 'value': 11678}], 'io_queue_recursive': [], 'io_service_time_recursive': [], 
'io_wait_time_recursive': [], 'io_merged_recursive': [], 'io_time_recursive': [], 'sectors_recursive': []}, 
'num_procs': 0, 'storage_stats': {}, 'cpu_stats': {'cpu_usage': {'total_usage': 9756934763, 
'percpu_usage': [666952634, 478812429, 671823468, 485544816, 614203641, 552001733, 
581142364, 532484924, 575376052, 553035730, 577174864, 534464066, 666433643, 896704712, 
649666882, 721112805], 'usage_in_kernelmode': 5720000000, 'usage_in_usermode': 3040000000}, 
'system_cpu_usage': 135329085230000000, 'online_cpus': 16, 'throttling_data': {'periods': 0, 
'throttled_periods': 0, 'throttled_time': 0}}, 'precpu_stats': {'cpu_usage': {'total_usage': 9756934763, 
'percpu_usage': [666952634, 478812429, 671823468, 485544816, 614203641, 552001733, 
581142364, 532484924, 575376052, 553035730, 577174864, 534464066, 666433643, 896704712, 
649666882, 721112805], 'usage_in_kernelmode': 5720000000, 'usage_in_usermode': 3040000000}, 
'system_cpu_usage': 135329069510000000, 'online_cpus': 16, 'throttling_data': {'periods': 0, 
'throttled_periods': 0, 'throttled_time': 0}}, 'memory_stats': {'usage': 80257024, 'max_usage': 
82989056, 'stats': {'active_anon': 6430720, 'active_file': 9003008, 'cache': 62849024, 'dirty': 0, 
'hierarchical_memory_limit': 9223372036854771712, 'hierarchical_memsw_limit': 0, 'inactive_anon': 
9228288, 'inactive_file': 41926656, 'mapped_file': 11341824, 'pgfault': 1095805, 'pgmajfault': 0, 
'pgpgin': 635702, 'pgpgout': 619445, 'rss': 3739648, 'rss_huge': 0, 'total_active_anon': 6430720, 
'total_active_file': 9003008, 'total_cache': 62849024, 'total_dirty': 0, 'total_inactive_anon': 9228288,
 'total_inactive_file': 41926656, 'total_mapped_file': 11341824, 'total_pgfault': 1095805, 
'total_pgmajfault': 0, 'total_pgpgin': 635702, 'total_pgpgout': 619445, 'total_rss': 3739648, 
'total_rss_huge': 0, 'total_unevictable': 0, 'total_writeback': 0, 'unevictable': 0, 'writeback': 0}, 'limit':65419714560},'name':'/xxxx','id':'xxxx', 


'networks': {'eth0':{'rx_bytes': 4950, 'rx_packets': 115, 'rx_errors': 0, 'rx_dropped': 0, 'tx_bytes': 0, 'tx_packets': 0, 'tx_errors': 0, 'tx_dropped': 0}}}

4950

вопрос

Это потому, что docker SDK for python4.1 на centos7.5 и docker 17.12 не поддерживает получение networks параметр

...