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#!/usr/bin/env python
##############################################################################
# Copyright (c) 2017 Huawei Technologies Co.,Ltd and others.
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################
'''This file contain some function about docker API.
At present, This file contain the following function:
1.Ask Docker service to create a docker(yardstick or ELK).
2.get a docker ip.
3.Remove a docker.'''
import docker
import os
import socket
yardstick_info = {}
ELK_info = {}
def get_client():
client = docker.from_env()
return client
def docker_find(docker_name):
client = get_client()
docker_client = client.containers.get(docker_name)
return docker_client
def env_yardstick(docker_name):
client = get_client()
yardstick_info["name"] = docker_name
try:
env_docker = docker_find(docker_name)
yardstick_info["container"] = env_docker
yardstick_info["ip"] = get_docker_ip(docker_name)
return env_docker
except docker.errors.NotFound:
pass
volume = get_self_volume()
yardstick_tag = os.getenv("Yardstick_TAG")
if yardstick_tag is None:
yardstick_tag = "danube.3.1"
env_docker = client.containers.run(image="opnfv/yardstick:%s"
% yardstick_tag,
privileged=True,
tty=True,
detach=True,
# ports={'5000': '8888'},
volumes=volume,
name=docker_name)
yardstick_info["container"] = env_docker
yardstick_info["ip"] = get_docker_ip(docker_name)
return env_docker
def env_bottlenecks(docker_name):
client = get_client()
volume = get_self_volume()
env_docker = client.containers.run(image="opnfv/bottlenecks:latest",
privileged=True,
detach=True,
ports={'8888': '5000'},
volumes=volume,
name=docker_name)
return env_docker
def env_elk(docker_name):
client = get_client()
ELK_info["name"] = docker_name
try:
env_docker = docker_find(docker_name)
ELK_info["container"] = env_docker
ELK_info["ip"] = get_docker_ip(docker_name)
return env_docker
except docker.errors.NotFound:
pass
env_docker = client.containers.run(image="sebp/elk:es241_l240_k461",
privileged=True,
detach=True,
ports={'5044': '5044',
'5601': '5601',
'9200': '9200'},
name=docker_name)
ELK_info["container"] = env_docker
ELK_info["ip"] = get_docker_ip(docker_name)
return env_docker
def get_docker_ip(docker_name):
env_docker = docker_find(docker_name)
client = docker.APIClient(base_url='unix://var/run/docker.sock')
docker_inspect = client.inspect_container(env_docker.id)
ip_address = docker_inspect["NetworkSettings"]["IPAddress"]
return ip_address
def docker_exec_cmd(docker, cmd):
return docker.exec_run(cmd)
def get_self_volume():
self_volume = {}
hostname = socket.gethostname()
client = docker.APIClient(base_url='unix://var/run/docker.sock')
volume = client.inspect_container(hostname)["Mounts"]
for i in volume:
self_volume[i['Source']] = i['Destination']
return self_volume
def remove_docker(docker_name):
docker = docker_find(docker_name)
docker.kill()
docker.remove()
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