utils/infra_setup/runner/docker_env.py

   1 #!/usr/bin/env python
   2 ##############################################################################
   3 # Copyright (c) 2017 Huawei Technologies Co.,Ltd and others.
   4 #
   5 # All rights reserved. This program and the accompanying materials
   6 # are made available under the terms of the Apache License, Version 2.0
   7 # which accompanies this distribution, and is available at
   8 # http://www.apache.org/licenses/LICENSE-2.0
   9 ##############################################################################
  10 '''This file contain some function about docker API.
  11 At present, This file contain the following function:
  12 1.Ask Docker service to create a docker(yardstick or ELK).
  13 2.get a docker ip.
  14 3.Remove a docker.'''
  15
  16 import docker
  17 import os
  18 import socket
  19
  20 yardstick_info = {}
  21 ELK_info = {}
  22
  23
  24 def get_client():
  25     client = docker.from_env()
  26     return client
  27
  28
  29 def docker_find(docker_name):
  30     client = get_client()
  31     docker_client = client.containers.get(docker_name)
  32     return docker_client
  33
  34
  35 def env_yardstick(docker_name):
  36     client = get_client()
  37     yardstick_info["name"] = docker_name
  38     try:
  39         env_docker = docker_find(docker_name)
  40         yardstick_info["container"] = env_docker
  41         yardstick_info["ip"] = get_docker_ip(docker_name)
  42         return env_docker
  43     except docker.errors.NotFound:
  44         pass
  45     volume = get_self_volume()
  46     yardstick_tag = os.getenv("Yardstick_TAG")
  47     if yardstick_tag is None:
  48         yardstick_tag = "danube.3.1"
  49     env_docker = client.containers.run(image="opnfv/yardstick:%s"
  50                                              % yardstick_tag,
  51                                        privileged=True,
  52                                        tty=True,
  53                                        detach=True,
  54                                        ports={'5000': '8888'},
  55                                        volumes=volume,
  56                                        name=docker_name)
  57     yardstick_info["container"] = env_docker
  58     yardstick_info["ip"] = get_docker_ip(docker_name)
  59     return env_docker
  60
  61
  62 def env_bottlenecks(docker_name):
  63     client = get_client()
  64     volume = get_self_volume()
  65     env_docker = client.containers.run(image="opnfv/bottlenecks:latest",
  66                                        privileged=True,
  67                                        detach=True,
  68                                        ports={'8888': '5000'},
  69                                        volumes=volume,
  70                                        name=docker_name)
  71     return env_docker
  72
  73
  74 def env_elk(docker_name):
  75     client = get_client()
  76     ELK_info["name"] = docker_name
  77     try:
  78         env_docker = docker_find(docker_name)
  79         ELK_info["container"] = env_docker
  80         ELK_info["ip"] = get_docker_ip(docker_name)
  81         return env_docker
  82     except docker.errors.NotFound:
  83         pass
  84     env_docker = client.containers.run(image="sebp/elk:es241_l240_k461",
  85                                        privileged=True,
  86                                        detach=True,
  87                                        ports={'5044': '5044',
  88                                               '5601': '5601',
  89                                               '9200': '9200'},
  90                                        name=docker_name)
  91     ELK_info["container"] = env_docker
  92     ELK_info["ip"] = get_docker_ip(docker_name)
  93     return env_docker
  94
  95
  96 def get_docker_ip(docker_name):
  97     env_docker = docker_find(docker_name)
  98     client = docker.APIClient(base_url='unix://var/run/docker.sock')
  99     docker_inspect = client.inspect_container(env_docker.id)
 100     ip_address = docker_inspect["NetworkSettings"]["IPAddress"]
 101     return ip_address
 102
 103
 104 def docker_exec_cmd(docker, cmd):
 105     return docker.exec_run(cmd)
 106
 107
 108 def get_self_volume():
 109     self_volume = {}
 110     hostname = socket.gethostname()
 111     client = docker.APIClient(base_url='unix://var/run/docker.sock')
 112     volume = client.inspect_container(hostname)["Mounts"]
 113     for i in volume:
 114         self_volume[i['Source']] = i['Destination']
 115     return self_volume
 116
 117
 118 def remove_docker(docker_name):
 119     docker = docker_find(docker_name)
 120     docker.kill()
 121     docker.remove()