问题描述
TL;DR
Docker for windows 容器在ping 时可以访问互联网，但在容器内运行的python 不能。 这怎么可能？
详情
我已拉取图像：python:3.10.0a3-windowsservercore-1809
我可以使用以下命令启动一个基于它的容器：docker run -it --rm --dns 41.212.0.100 python:3.10.0a3-windowsservercore-1809 cmd
启动后，我可以 ping.com 以 0% 丢包
但是，当我尝试进行 pip install 或使用 urlib 模块或 sockets 模块访问 Internet 时，出现超时错误：
WARNING: Retrying (Retry(total=0,connect=None,read=None,redirect=None,status=None)) after connection broken by 'ConnectTimeoutError(<pip._vendor.urllib3.connection.HTTPSConnection object at 0x000001C7EA3C03D0>,'Connection to pypi.org timed out. (connect timeout=15)')
我也尝试增加 pip 和 irllib 的超时参数，但它们仍然超时。
Docker 信息
Server:
Images: 1
Server Version: 20.10.0
Storage Driver: windowsfilter
Windows:
Logging Driver: json-file
Plugins:
Volume: local
Network: ics internal l2bridge l2tunnel nat null overlay private transparent
Log: awslogs etwlogs fluentd gcplogs gelf json-file local logentries splunk syslog
Swarm: inactive
Default Isolation: hyperv
Kernel Version: 10.0 17763 (17763.1.amd64fre.rs5_release.180914-1434)
Operating System: Windows 10 Enterprise Version 1809 (OS Build 17763.1577)
OSType: windows
Architecture: x86_64
CPUs: 4
Total Memory: 7.885GiB
Docker Root Dir: C:\ProgramData\Docker
Debug Mode: false
Registry: https://index.docker.io/v1/
Labels:
Experimental: false
Insecure Registries:
127.0.0.0/8
Live Restore Enabled: false
Product License: Community Engine
Docker 检查容器
[
{
"State": {
"Status": "running","Running": true,"Paused": false,"Restarting": false,"OOMKilled": false,"Dead": false,"ExitCode": 0,"Error": "",},"ResolvConfPath": "","HostnamePath": "","HostsPath": ""
"Driver": "windowsfilter","Platform": "windows","MountLabel": "","ProcessLabel": "","AppArmorProfile": "","ExecIDs": null,"HostConfig": {
"Binds": null,"ContainerIDFile": "","LogConfig": {
"Type": "json-file","Config": {}
},"NetworkMode": "default","PortBindings": {},"RestartPolicy": {
"Name": "no","MaximumRetryCount": 0
},"AutoRemove": true,"VolumeDriver": "","VolumesFrom": null,"CapAdd": null,"CapDrop": null,"Capabilities": null,"Dns": [
"41.212.0.100"
],"DnsOptions": [],"DnsSearch": [],"ExtraHosts": null,"GroupAdd": null,"IpcMode": "","Cgroup": "","Links": null,"OomScoreAdj": 0,"PidMode": "","Privileged": false,"PublishAllPorts": false,"ReadonlyRootfs": false,"SecurityOpt": null,"UTSMode": "","UsernsMode": "","ShmSize": 0,"ConsoleSize": [
47,189
],"Isolation": "hyperv","CpuShares": 0,"Memory": 0,"NanoCpus": 0,"CgroupParent": "","BlkioWeight": 0,"BlkioWeightDevice": [],"BlkioDeviceReadBps": null,"BlkioDeviceWriteBps": null,"BlkioDeviceReadIOps": null,"BlkioDeviceWriteIOps": null,"CpuPeriod": 0,"CpuQuota": 0,"CpuRealtimePeriod": 0,"CpuRealtimeRuntime": 0,"CpusetCpus": "","CpusetMems": "","Devices": [],"DeviceCgroupRules": null,"DeviceRequests": null,"KernelMemory": 0,"KernelMemoryTCP": 0,"MemoryReservation": 0,"MemorySwap": 0,"MemorySwappiness": null,"OomKillDisable": false,"PidsLimit": null,"Ulimits": null,"CpuCount": 0,"CpuPercent": 0,"IOMaximumIOps": 0,"IOMaximumBandwidth": 0,"MaskedPaths": null,"ReadonlyPaths": null
},"GraphDriver": {
"Data": {
},"Name": "windowsfilter"
},"Mounts": [],"Config": {
"Hostname": "32cfd271955e","Domainname": "","User": "","AttachStdin": true,"AttachStdout": true,"AttachStderr": true,"Tty": true,"OpenStdin": true,"StdinOnce": true,"Env": [
"PYTHONIOENCODING=UTF-8","PYTHON_VERSION=3.10.0a3","PYTHON_RELEASE=3.10.0","PYTHON_PIP_VERSION=20.3.3","PYTHON_GET_PIP_URL=https://github.com/pypa/get-pip/raw/5f38681f7f5872e4032860b54e9cc11cf0374932/get-pip.py","PYTHON_GET_PIP_SHA256=6a0b13826862f33c13b614a921d36253bfa1ae779c5fbf569876f3585057e9d2"
],"Cmd": [
"cmd"
],"Image": "python:3.10.0a3-windowsservercore-1809","Volumes": null,"WorkingDir": "","Entrypoint": null,"OnBuild": null,"Labels": {}
},"NetworkSettings": {
"Bridge": "","SandboxID": "32cfd271955eaa769cafbf8f22f34c6f95446ec4e3fb3da523b99ca334a67a4d","HairpinMode": false,"LinkLocalIPv6Address": "","LinkLocalIPv6PrefixLen": 0,"Ports": {},"SandboxKey": "32cfd271955eaa769cafbf8f22f34c6f95446ec4e3fb3da523b99ca334a67a4d","SecondaryIPAddresses": null,"SecondaryIPv6Addresses": null,"EndpointID": "","Gateway": "","GlobalIPv6Address": "","GlobalIPv6PrefixLen": 0,"IPAddress": "","IPPrefixLen": 0,"IPv6Gateway": "","MacAddress": "","Networks": {
"nat": {
"IPAMConfig": null,"Aliases": null,"NetworkID": "3983bd268d5212c421ad26a5d935bc3802f9ea6d351f7643a1481fa458f1a545","EndpointID": "4456e1ddf2de9646ee3324dd001394700f334f04fcbb24a772ed9156cbd54a52","Gateway": "172.29.96.1","IPAddress": "172.29.111.58","IPPrefixLen": 16,"MacAddress": "00:15:5d:b9:49:2a","DriverOpts": null
}
}
}
}
]
解决方法
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