如何解决Docker:没有容器,但由于活动端点而无法删除网络
我有一个 Jenkins 构建,其中包括启动和关闭一些 Docker 作业。但是它已经开始失败并出现错误:
$ docker-compose -f tests/docker-compose.ci-cypress.yml down --remove-orphans -v
Removing network tests_default
error while removing network: network tests_default id a9d08e07cfb56c3003d68677e93a0e5e705594fcdf112c757bded0cacb5562db has active endpoints
所以我在错误之前运行了一些调试日志:
$ docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
efc422450a35 53cb2626a94e "/bin/sh -c yarn" 11 hours ago Exited (1) 11 hours ago heuristic_mcclintock
2d51d2a5e5ca a092989efdbc "/bin/sh -c yarn" 14 hours ago Exited (1) 14 hours ago musing_ride
$ docker container ls -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
efc422450a35 53cb2626a94e "/bin/sh -c yarn" 11 hours ago Exited (1) 11 hours ago heuristic_mcclintock
2d51d2a5e5ca a092989efdbc "/bin/sh -c yarn" 14 hours ago Exited (1) 14 hours ago musing_ride
这里可以看到麻烦的网络tests_default
:
$ docker network ls
NETWORK ID NAME DRIVER SCOPE
6fb2d7bb7ce8 bridge bridge local
24fd6a19da38 host host local
dae6a7b6062c none null local
a9d08e07cfb5 tests_default bridge local
详情:
$ docker network inspect tests_default
[
{
"Name": "tests_default","Id": "a9d08e07cfb56c3003d68677e93a0e5e705594fcdf112c757bded0cacb5562db","Created": "2021-07-22T12:29:08.752318948+03:00","Scope": "local","Driver": "bridge","EnableIPv6": false,"IPAM": {
"Driver": "default","Options": null,"Config": [
{
"Subnet": "172.31.0.0/16","Gateway": "172.31.0.1"
}
]
},"Internal": false,"Attachable": true,"Ingress": false,"ConfigFrom": {
"Network": ""
},"ConfigOnly": false,"Containers": {},"Options": {},"Labels": {
"com.docker.compose.network": "default","com.docker.compose.project": "tests","com.docker.compose.version": "1.28.4"
}
}
]
当我尝试删除网络时,出现此错误:
$ docker network remove tests_default
Error response from daemon: error while removing network: network tests_default id a9d08e07cfb56c3003d68677e93a0e5e705594fcdf112c757bded0cacb5562db has active endpoints
这是我尝试运行的实际操作,它会导致与上述相同的错误:
$ docker-compose -f tests/docker-compose.ci-cypress.yml down --remove-orphans -v
Removing network tests_default
error while removing network: network tests_default id a9d08e07cfb56c3003d68677e93a0e5e705594fcdf112c757bded0cacb5562db has active endpoints
我在上述命令之前也尝试过 sleep 30
,但没有帮助。
我也发现了这个,但问题是没有要定位的容器(没有任何东西在运行):
docker rm -f <containerId>
docker network disconnect -f tests_default <containerName>
还有这个:
$ docker-compose -f tests/docker-compose.ci-cypress.yml rm
No stopped containers
这里是与上面相关的docker-compose.yml:
version: '2.1'
services:
test_350:
build: ./cypress
command: NO_COLOR=1 yarn run cypress --env PLATFORM=X,SERVER_VERSION=${SERVER_VERSION} --reporter junit --reporter-options mochaFile=/tests/portal/reports/cypress-350-[hash].xml,toConsole=true
ipc: host
volumes:
- ../cypress.json:/cypress.json
- ../tests:/tests
environment:
- HTTP_PROXY=http://proxy-350-${SERVER_VERSION}:3080
test_32:
build: ./cypress
command: NO_COLOR=1 yarn run cypress --env PLATFORM=Y,SERVER_VERSION=${SERVER_VERSION} --reporter junit --reporter-options mochaFile=/tests/portal/reports/cypress-32-[hash].xml,toConsole=true
ipc: host
volumes:
- ../cypress.json:/cypress.json
- ../tests:/tests
environment:
- HTTP_PROXY=http://proxy-32-${SERVER_VERSION}:3080
test_dev:
build: ./cypress
command: NO_COLOR=1 yarn run cypress --reporter junit --reporter-options mochaFile=/tests/portal/reports/cypress-32-[hash].xml,toConsole=true
ipc: host
volumes:
- ../cypress.json:/cypress.json
- ../tests:/tests
environment:
- HTTP_PROXY=http://host.docker.internal:3080
从 Jenkins 开始:
docker-compose -f tests/docker-compose.ci-cypress.yml build
然后它会随着开始出错的命令停止:
docker-compose -f tests/docker-compose.ci-cypress.yml down --remove-orphans -v
问题是,我怎样才能删除那个“幽灵”网络tests_default
?它似乎没有连接到任何活动的容器(而且没有一个正在运行!),但 Docker 仍然可以看到活动的端点。
解决方法
更仔细地分析 docker network inspect tests_default
日志时,我发现有问题的网络 tests_default
是在大约 1 周前创建的(我在 29 日运行设置):
"Created": "2021-07-22T12:29:08.752318948+03:00",
因此,正如@BMitch 所怀疑的那样,它似乎确实是一个卡住/崩溃的 Docker 进程,或类似的东西。
就我而言,将 Jenkins 容器实例替换为新实例解决了网络问题,因此旧实例中似乎卡住了某些东西。现在可以继续标准流程了:
Removing network tests_default
Network tests_default not found.
Creating network "tests_default" with the default driver
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