Pol*_*mon 5 python networking communication python-requests docker-compose
这是我的体系结构:
我有两个容器(A和B)在具有各自网络的同一主机上运行。
码头工人组成:
version : '3'
services:
A:
build: ./docker_A
ports:
- "8090:8090"
networks:
- my_network
B:
build: ./docker_B
ports:
- "8070:8070"
networks:
- my_network
networks:
my_network:
driver : bridge
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容器b正在运行一瓶服务器:
@get('/')
def hello():
return {"say":"Hello world"}
run(host='0.0.0.0', port=8070, debug=True)
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docker inspect package_name_my_network
返回:
{
"Name": "package_name_my_network",
"Id": "...",
"Created": "...",
"Scope": "local",
"Driver": "bridge",
"EnableIPv6": false,
"IPAM": {
"Driver": "default",
"Options": null,
"Config": [
{
"Subnet": "172.18.0.0/16",
"Gateway": "172.18.0.1"
}
]
},
"Internal": false,
"Attachable": true,
"Ingress": false,
"ConfigFrom": {
"Network": ""
},
"ConfigOnly": false,
"Containers": {
"...": {
"Name": "package_name_A",
"EndpointID": "...",
"MacAddress": "...",
"IPv4Address": "172.18.0.3/16",
"IPv6Address": ""
},
"...": {
"Name": "package_name_B",
"EndpointID": "...",
"MacAddress": "...",
"IPv4Address": "172.18.0.2/16",
"IPv6Address": ""
}
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我正在尝试GET
从A发出请求:
ret = requests.get('http://172.18.0.2:8070/')
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但是每次我得到这个回应: <Response [503]> / Network Error (tcp_error)
我尝试了几件事:
将172.18.0.2更改为:
从主机:
curl -X GET http://172.18.0.2:8070/ : {"say":"Hello world"}
从A::docker exec -t -i package_name_A /bin/bash
我可以ping:
如果有人有解决方案,那就太好了。
谢谢你的时间。
编辑:
这是一个代理问题。如果我未设置https_proxy
和unset http_proxy
,则可以通过A到达B。问题是,我再也无法访问主机上的服务器(不是容器)。即使有EXPORT no_proxy=172.0.0.0
任何想法?
解决:这是一个代理问题。我正在使用没有env var的会话:
session = requests.Session()
session.trust_env = False
ret = session.get(url, json=my_json)
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