docker-compose中的Gitlab-runner无法连接http://docker:2375/v1.40/info [英] Gitlab-runner in docker-compose cannot connect http://docker:2375/v1.40/info

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问题描述

短篇小说:我在docker-compose中有一个gitlab-runner,我希望能够使用DIND,但是我遇到了一些困难....

Short story: I have a gitlab-runner in a docker-compose and I want to be able to use DIND, but I'm facing some difficulties....

我尝试创建一个包含以下内容的平台:

I try to create a platform which contains :

  • 声纳
  • gitlab ce
  • gitlab赛跑者
  • 注册表

这些服务由docker-compose启动和管理我使用gitlab-ci来验证测试,覆盖率并创建一个docker镜像,该镜像会上传到注册表我只有一个共享跑步者,可以用于测试目的

Theses services are started and managed by docker-compose I use the gitlab-ci to verify tests, coverage and create a docker image which is uploaded to the registry I have a single shared runner which work for testing purpose

这是config.toml:

here is the config.toml :

concurrent = 1
check_interval = 0

[session_server]
  session_timeout = 1800

[[runners]]
  name = "21fbd75383fe"
  url = "http://gitlab/ci"
  token = "--"
  executor = "docker"
  [runners.custom_build_dir]
  [runners.docker]
    tls_verify = false
    image = "docker:latest"
    privileged = true
    disable_entrypoint_overwrite = false
    oom_kill_disable = false
    disable_cache = false
    volumes = ["/cache"]
    shm_size = 0
    network_mode = "oral_default"
  [runners.cache]
    [runners.cache.s3]
    [runners.cache.gcs]
  [runners.custom]
    run_exec = ""

我的问题:我需要在运行程序中指定:network_mode ="oral_default"以便克隆存储库.但是,如果我想使用Dind构建图像,则会出现此错误:

My problem : I need to specify in the runner : network_mode = "oral_default" in order to clone the reposotory. But if I want to use Dind to build my image, I get this error :

ealth check container logs:
2019-08-20T14:11:21.847061412Z FATAL: No HOST or PORT found                      

Service container logs:
2019-08-20T14:11:18.189776447Z Generating RSA private key, 4196 bit long modulus (2 primes)
2019-08-20T14:11:18.495587062Z .......................................++++
2019-08-20T14:11:19.261799191Z ...............................................................................................++++
2019-08-20T14:11:19.262353078Z e is 65537 (0x010001)
2019-08-20T14:11:19.288253880Z Generating RSA private key, 4196 bit long modulus (2 primes)
2019-08-20T14:11:19.735803254Z .......................................................++++
2019-08-20T14:11:20.998049980Z .........................................................................................................................................................++++
2019-08-20T14:11:20.998511667Z e is 65537 (0x010001)
2019-08-20T14:11:21.040579379Z Signature ok
2019-08-20T14:11:21.040598512Z subject=CN = docker:dind server
2019-08-20T14:11:21.040814852Z Getting CA Private Key
2019-08-20T14:11:21.071374613Z /certs/server/cert.pem: OK
2019-08-20T14:11:21.075263091Z Generating RSA private key, 4196 bit long modulus (2 primes)
2019-08-20T14:11:21.159644328Z .........++++
2019-08-20T14:11:22.011823318Z ..............................................................................................................++++
2019-08-20T14:11:22.012330364Z e is 65537 (0x010001)
2019-08-20T14:11:22.046700923Z Signature ok
2019-08-20T14:11:22.046735711Z subject=CN = docker:dind client
2019-08-20T14:11:22.046961229Z Getting CA Private Key
2019-08-20T14:11:22.067938238Z /certs/client/cert.pem: OK
2019-08-20T14:11:22.099482505Z time="2019-08-20T14:11:22.099370855Z" level=info msg="Starting up"
2019-08-20T14:11:22.100758237Z time="2019-08-20T14:11:22.100680440Z" level=warning msg="could not change group /var/run/docker.sock to docker: group docker not found"
2019-08-20T14:11:22.101707958Z time="2019-08-20T14:11:22.101626009Z" level=info msg="libcontainerd: started new containerd process" pid=54
2019-08-20T14:11:22.101727175Z time="2019-08-20T14:11:22.101657983Z" level=info msg="parsed scheme: \"unix\"" module=grpc
2019-08-20T14:11:22.101733998Z time="2019-08-20T14:11:22.101673740Z" level=info msg="scheme \"unix\" not registered, fallback to default scheme" module=grpc
2019-08-20T14:11:22.101750834Z time="2019-08-20T14:11:22.101693854Z" level=info msg="ccResolverWrapper: sending update to cc: {[{unix:///var/run/docker/containerd/containerd.sock 0  <nil>}] }" module=grpc
2019-08-20T14:11:22.101758034Z time="2019-08-20T14:11:22.101710395Z" level=info msg="ClientConn switching balancer to \"pick_first\"" module=grpc
2019-08-20T14:11:22.101883362Z time="2019-08-20T14:11:22.101777690Z" level=info msg="pickfirstBalancer: HandleSubConnStateChange: 0xc0008181f0, CONNECTING" module=grpc
2019-08-20T14:11:22.119465945Z time="2019-08-20T14:11:22.119356782Z" level=info msg="starting containerd" revision=894b81a4b802e4eb2a91d1ce216b8817763c29fb version=v1.2.6 
2019-08-20T14:11:22.119997814Z time="2019-08-20T14:11:22.119921726Z" level=info msg="loading plugin "io.containerd.content.v1.content"..." type=io.containerd.content.v1 
2019-08-20T14:11:22.120066267Z time="2019-08-20T14:11:22.120010967Z" level=info msg="loading plugin "io.containerd.snapshotter.v1.btrfs"..." type=io.containerd.snapshotter.v1 
2019-08-20T14:11:22.120297760Z time="2019-08-20T14:11:22.120239139Z" level=warning msg="failed to load plugin io.containerd.snapshotter.v1.btrfs" error="path /var/lib/docker/containerd/daemon/io.containerd.snapshotter.v1.btrfs must be a btrfs filesystem to be used with the btrfs snapshotter" 
2019-08-20T14:11:22.120305857Z time="2019-08-20T14:11:22.120253119Z" level=info msg="loading plugin "io.containerd.snapshotter.v1.aufs"..." type=io.containerd.snapshotter.v1 
2019-08-20T14:11:22.124698054Z time="2019-08-20T14:11:22.124622589Z" level=warning msg="failed to load plugin io.containerd.snapshotter.v1.aufs" error="modprobe aufs failed: "ip: can't find device 'aufs'\naufs                  241664  0 \nmodprobe: can't change directory to '/lib/modules': No such file or directory\n": exit status 1" 
2019-08-20T14:11:22.124716529Z time="2019-08-20T14:11:22.124642302Z" level=info msg="loading plugin "io.containerd.snapshotter.v1.native"..." type=io.containerd.snapshotter.v1 
2019-08-20T14:11:22.124759418Z time="2019-08-20T14:11:22.124715546Z" level=info msg="loading plugin "io.containerd.snapshotter.v1.overlayfs"..." type=io.containerd.snapshotter.v1 
2019-08-20T14:11:22.124901964Z time="2019-08-20T14:11:22.124862487Z" level=info msg="loading plugin "io.containerd.snapshotter.v1.zfs"..." type=io.containerd.snapshotter.v1 
2019-08-20T14:11:22.125128168Z time="2019-08-20T14:11:22.125083244Z" level=warning msg="failed to load plugin io.containerd.snapshotter.v1.zfs" error="path /var/lib/docker/containerd/daemon/io.containerd.snapshotter.v1.zfs must be a zfs filesystem to be used with the zfs snapshotter" 
2019-08-20T14:11:22.125137429Z time="2019-08-20T14:11:22.125095730Z" level=info msg="loading plugin "io.containerd.metadata.v1.bolt"..." type=io.containerd.metadata.v1 
2019-08-20T14:11:22.125191366Z time="2019-08-20T14:11:22.125143058Z" level=warning msg="could not use snapshotter aufs in metadata plugin" error="modprobe aufs failed: "ip: can't find device 'aufs'\naufs                  241664  0 \nmodprobe: can't change directory to '/lib/modules': No such file or directory\n": exit status 1" 
2019-08-20T14:11:22.125200443Z time="2019-08-20T14:11:22.125154226Z" level=warning msg="could not use snapshotter zfs in metadata plugin" error="path /var/lib/docker/containerd/daemon/io.containerd.snapshotter.v1.zfs must be a zfs filesystem to be used with the zfs snapshotter" 
2019-08-20T14:11:22.125205718Z time="2019-08-20T14:11:22.125160660Z" level=warning msg="could not use snapshotter btrfs in metadata plugin" error="path /var/lib/docker/containerd/daemon/io.containerd.snapshotter.v1.btrfs must be a btrfs filesystem to be used with the btrfs snapshotter" 
2019-08-20T14:11:22.299853510Z time="2019-08-20T14:11:22.299730279Z" level=info msg="loading plugin "io.containerd.differ.v1.walking"..." type=io.containerd.differ.v1 
2019-08-20T14:11:22.299878846Z time="2019-08-20T14:11:22.299776167Z" level=info msg="loading plugin "io.containerd.gc.v1.scheduler"..." type=io.containerd.gc.v1 
2019-08-20T14:11:22.299887790Z time="2019-08-20T14:11:22.299812949Z" level=info msg="loading plugin "io.containerd.service.v1.containers-service"..." type=io.containerd.service.v1 
2019-08-20T14:11:22.299904150Z time="2019-08-20T14:11:22.299828135Z" level=info msg="loading plugin "io.containerd.service.v1.content-service"..." type=io.containerd.service.v1 
2019-08-20T14:11:22.299913745Z time="2019-08-20T14:11:22.299842184Z" level=info msg="loading plugin "io.containerd.service.v1.diff-service"..." type=io.containerd.service.v1 
2019-08-20T14:11:22.299921184Z time="2019-08-20T14:11:22.299854806Z" level=info msg="loading plugin "io.containerd.service.v1.images-service"..." type=io.containerd.service.v1 
2019-08-20T14:11:22.299927659Z time="2019-08-20T14:11:22.299869296Z" level=info msg="loading plugin "io.containerd.service.v1.leases-service"..." type=io.containerd.service.v1 
2019-08-20T14:11:22.299933467Z time="2019-08-20T14:11:22.299884994Z" level=info msg="loading plugin "io.containerd.service.v1.namespaces-service"..." type=io.containerd.service.v1 
2019-08-20T14:11:22.299938406Z time="2019-08-20T14:11:22.299904463Z" level=info msg="loading plugin "io.containerd.service.v1.snapshots-service"..." type=io.containerd.service.v1 
2019-08-20T14:11:22.299943250Z time="2019-08-20T14:11:22.299917532Z" level=info msg="loading plugin "io.containerd.runtime.v1.linux"..." type=io.containerd.runtime.v1 
2019-08-20T14:11:22.300179457Z time="2019-08-20T14:11:22.300128875Z" level=info msg="loading plugin "io.containerd.runtime.v2.task"..." type=io.containerd.runtime.v2 
2019-08-20T14:11:22.300316944Z time="2019-08-20T14:11:22.300270682Z" level=info msg="loading plugin "io.containerd.monitor.v1.cgroups"..." type=io.containerd.monitor.v1 
2019-08-20T14:11:22.300745465Z time="2019-08-20T14:11:22.300693221Z" level=info msg="loading plugin "io.containerd.service.v1.tasks-service"..." type=io.containerd.service.v1 
2019-08-20T14:11:22.300776133Z time="2019-08-20T14:11:22.300731401Z" level=info msg="loading plugin "io.containerd.internal.v1.restart"..." type=io.containerd.internal.v1 
2019-08-20T14:11:22.300819617Z time="2019-08-20T14:11:22.300782007Z" level=info msg="loading plugin "io.containerd.grpc.v1.containers"..." type=io.containerd.grpc.v1 
2019-08-20T14:11:22.300828421Z time="2019-08-20T14:11:22.300797250Z" level=info msg="loading plugin "io.containerd.grpc.v1.content"..." type=io.containerd.grpc.v1 
2019-08-20T14:11:22.300840355Z time="2019-08-20T14:11:22.300809287Z" level=info msg="loading plugin "io.containerd.grpc.v1.diff"..." type=io.containerd.grpc.v1 
2019-08-20T14:11:22.300845835Z time="2019-08-20T14:11:22.300821506Z" level=info msg="loading plugin "io.containerd.grpc.v1.events"..." type=io.containerd.grpc.v1 
2019-08-20T14:11:22.300863231Z time="2019-08-20T14:11:22.300835107Z" level=info msg="loading plugin "io.containerd.grpc.v1.healthcheck"..." type=io.containerd.grpc.v1 
2019-08-20T14:11:22.300870180Z time="2019-08-20T14:11:22.300846235Z" level=info msg="loading plugin "io.containerd.grpc.v1.images"..." type=io.containerd.grpc.v1 
2019-08-20T14:11:22.300899955Z time="2019-08-20T14:11:22.300858124Z" level=info msg="loading plugin "io.containerd.grpc.v1.leases"..." type=io.containerd.grpc.v1 
2019-08-20T14:11:22.300910656Z time="2019-08-20T14:11:22.300868856Z" level=info msg="loading plugin "io.containerd.grpc.v1.namespaces"..." type=io.containerd.grpc.v1 
2019-08-20T14:11:22.300924355Z time="2019-08-20T14:11:22.300885954Z" level=info msg="loading plugin "io.containerd.internal.v1.opt"..." type=io.containerd.internal.v1 
2019-08-20T14:11:22.301165214Z time="2019-08-20T14:11:22.301127593Z" level=info msg="loading plugin "io.containerd.grpc.v1.snapshots"..." type=io.containerd.grpc.v1 
2019-08-20T14:11:22.301173167Z time="2019-08-20T14:11:22.301148082Z" level=info msg="loading plugin "io.containerd.grpc.v1.tasks"..." type=io.containerd.grpc.v1 
2019-08-20T14:11:22.301197447Z time="2019-08-20T14:11:22.301160478Z" level=info msg="loading plugin "io.containerd.grpc.v1.version"..." type=io.containerd.grpc.v1 
2019-08-20T14:11:22.301208675Z time="2019-08-20T14:11:22.301172158Z" level=info msg="loading plugin "io.containerd.grpc.v1.introspection"..." type=io.containerd.grpc.v1 
2019-08-20T14:11:22.301420074Z time="2019-08-20T14:11:22.301383826Z" level=info msg=serving... address="/var/run/docker/containerd/containerd-debug.sock" 
2019-08-20T14:11:22.301510586Z time="2019-08-20T14:11:22.301457137Z" level=info msg=serving... address="/var/run/docker/containerd/containerd.sock" 
2019-08-20T14:11:22.301521798Z time="2019-08-20T14:11:22.301472502Z" level=info msg="containerd successfully booted in 0.182717s" 
2019-08-20T14:11:22.306618029Z time="2019-08-20T14:11:22.306496623Z" level=info msg="pickfirstBalancer: HandleSubConnStateChange: 0xc0008181f0, READY" module=grpc
2019-08-20T14:11:22.308604516Z time="2019-08-20T14:11:22.308507649Z" level=info msg="parsed scheme: \"unix\"" module=grpc
2019-08-20T14:11:22.308624244Z time="2019-08-20T14:11:22.308531988Z" level=info msg="scheme \"unix\" not registered, fallback to default scheme" module=grpc
2019-08-20T14:11:22.308630203Z time="2019-08-20T14:11:22.308550514Z" level=info msg="ccResolverWrapper: sending update to cc: {[{unix:///var/run/docker/containerd/containerd.sock 0  <nil>}] }" module=grpc
2019-08-20T14:11:22.308635654Z time="2019-08-20T14:11:22.308567856Z" level=info msg="ClientConn switching balancer to \"pick_first\"" module=grpc
2019-08-20T14:11:22.308694129Z time="2019-08-20T14:11:22.308627145Z" level=info msg="pickfirstBalancer: HandleSubConnStateChange: 0xc000707cd0, CONNECTING" module=grpc
2019-08-20T14:11:22.308731380Z time="2019-08-20T14:11:22.308648131Z" level=info msg="blockingPicker: the picked transport is not ready, loop back to repick" module=grpc
2019-08-20T14:11:22.308943521Z time="2019-08-20T14:11:22.308874942Z" level=info msg="pickfirstBalancer: HandleSubConnStateChange: 0xc000707cd0, READY" module=grpc
2019-08-20T14:11:22.309450117Z time="2019-08-20T14:11:22.309385625Z" level=info msg="parsed scheme: \"unix\"" module=grpc
2019-08-20T14:11:22.309462252Z time="2019-08-20T14:11:22.309404366Z" level=info msg="scheme \"unix\" not registered, fallback to default scheme" module=grpc
2019-08-20T14:11:22.309467958Z time="2019-08-20T14:11:22.309419574Z" level=info msg="ccResolverWrapper: sending update to cc: {[{unix:///var/run/docker/containerd/containerd.sock 0  <nil>}] }" module=grpc
2019-08-20T14:11:22.309473276Z time="2019-08-20T14:11:22.309431644Z" level=info msg="ClientConn switching balancer to \"pick_first\"" module=grpc
2019-08-20T14:11:22.309568429Z time="2019-08-20T14:11:22.309500963Z" level=info msg="pickfirstBalancer: HandleSubConnStateChange: 0xc000144fa0, CONNECTING" module=grpc
2019-08-20T14:11:22.309585745Z time="2019-08-20T14:11:22.309506179Z" level=info msg="blockingPicker: the picked transport is not ready, loop back to repick" module=grpc
2019-08-20T14:11:22.309786808Z time="2019-08-20T14:11:22.309719559Z" level=info msg="pickfirstBalancer: HandleSubConnStateChange: 0xc000144fa0, READY" module=grpc
2019-08-20T14:11:22.749050188Z time="2019-08-20T14:11:22.748856365Z" level=warning msg="Your kernel does not support swap memory limit"
2019-08-20T14:11:22.749090607Z time="2019-08-20T14:11:22.748905994Z" level=warning msg="Your kernel does not support cgroup rt period"
2019-08-20T14:11:22.749100435Z time="2019-08-20T14:11:22.748934597Z" level=warning msg="Your kernel does not support cgroup rt runtime"
2019-08-20T14:11:22.749424856Z time="2019-08-20T14:11:22.749289206Z" level=info msg="Loading containers: start."
2019-08-20T14:11:22.760083557Z time="2019-08-20T14:11:22.759917977Z" level=warning msg="Running modprobe bridge br_netfilter failed with message: ip: can't find device 'bridge'\nbridge                151552  1 br_netfilter\nstp                    16384  1 bridge\nllc                    16384  2 bridge,stp\nip: can't find device 'br_netfilter'\nbr_netfilter           24576  0 \nbridge                151552  1 br_netfilter\nmodprobe: can't change directory to '/lib/modules': No such file or directory\n, error: exit status 1"
2019-08-20T14:11:22.766459849Z time="2019-08-20T14:11:22.766314726Z" level=warning msg="Running modprobe nf_nat failed with message: `ip: can't find device 'nf_nat'\nnf_nat_masquerade_ipv4    16384  1 ipt_MASQUERADE\nnf_nat_ipv4            16384  1 iptable_nat\nnf_nat                 32768  3 xt_nat,nf_nat_masquerade_ipv4,nf_nat_ipv4\nnf_conntrack          131072  9 ip_vs,xt_nat,ipt_MASQUERADE,nf_nat_masquerade_ipv4,nf_conntrack_netlink,nf_conntrack_ipv4,nf_nat_ipv4,xt_conntrack,nf_nat\nlibcrc32c              16384  3 ip_vs,nf_nat,nf_conntrack\nmodprobe: can't change directory to '/lib/modules': No such file or directory`, error: exit status 1"
2019-08-20T14:11:22.772066324Z time="2019-08-20T14:11:22.771952709Z" level=warning msg="Running modprobe xt_conntrack failed with message: `ip: can't find device 'xt_conntrack'\nxt_conntrack           16384  8 \nnf_conntrack          131072  9 ip_vs,xt_nat,ipt_MASQUERADE,nf_nat_masquerade_ipv4,nf_conntrack_netlink,nf_conntrack_ipv4,nf_nat_ipv4,xt_conntrack,nf_nat\nx_tables               40960 11 xt_statistic,ipt_REJECT,xt_comment,xt_mark,xt_nat,xt_tcpudp,ipt_MASQUERADE,xt_addrtype,iptable_filter,xt_conntrack,ip_tables\nmodprobe: can't change directory to '/lib/modules': No such file or directory`, error: exit status 1"

*********

Pulling docker image docker:latest ...
Using docker image sha256:9a38a85b1e4e7bb53b7c7cc45afff6ba7b1cdfe01b9738f36a3b4ad0cdb10b00 for docker:latest ...
Running on runner-sbVCrx6S-project-1-concurrent-0 via 0937d4b8d68a...
Fetching changes with git depth set to 50...
Reinitialized existing Git repository in /builds/root/oral/.git/
From http://gitlab/root/oral
   b1b2ac2..c0bb7ea  master     -> origin/master
Checking out c0bb7ea6 as master...

Skipping Git submodules setup
$ docker info
Client:
 Debug Mode: false

Server:
ERROR: error during connect: Get http://docker:2375/v1.40/info: dial tcp: lookup docker on 127.0.0.11:53: no such host

这是我的gitlab ci:

Here is my gitlab ci:

image: python:3.6-stretch

stages:
- test
- sonar
- upload to registry

.test:
  stage: test
  cache:
    paths:
      - ~/.cache/
  artifacts:
    untracked: true
  script:
    - pip install -r requirement.txt
    - python -m pytest
    - python -m pytest --cov=src --cov-report=xml

.sonar:
  image: zaquestion/sonarqube-scanner
  dependencies: 
    - test
  stage: sonar
  script:
    - sonar-scanner

upload to registry:
  image: docker:latest
  stage: upload to registry 
  services:
    - docker:dind
  script:
    - docker info
    - docker build -t local_image_oral:latest
    - docker push local_image_oral:latest
    - docker tag local_image_oral:latest registry:5000/local_image_oral:latest
    - docker push registry:5000/local_image_oral

我强烈认为,被替换的容器位于另一个网络中,因此无法访问导致这种行为的docker-compose网络.

I strongly think, that the spwaned container is in another network and so can't access the docker-compose network which lead to this behaviour.

你能帮我吗?谢谢.

推荐答案

@MitsiDev在使用更新的docker镜像(例如版本 19.03 )时可能会发生这种情况.尽管这个问题有点老,但是问题一直持续到今天.

@MitsiDev this can happen while using newer docker image like version 19.03. Although this issue is a bit old, but the problem persists till today.

我最近遇到了这个问题,结果发现有一个已知的解决方案"或解决方法.
请参阅此如果您需要更多详细信息,请发布说明.

I faced the issue recently and turns out there is a known "solution" or workaround however.
Refer to this Release Note, if you want more details.

从19.03版开始,docker:dind将自动生成TLS证书并要求使用它们进行通信.这来自 Docker的官方文档:

解决方案/解决方法:

根据

  • 明确关闭TLS.
  • 将GitLab Runner配置为使用TLS.
  • 关闭TLS

    如果您不能或不想编辑 config.toml ,例如在gitlab共享运行器中运行作业时,

    Turn off TLS

    If you cannot or do not want to edit the config.toml, like when running jobs in a gitlab shared runner:

    .gitlab-ci.yml:

    image: docker:19.03
    
    variables:
      DOCKER_TLS_CERTDIR: ""
    

    配置TLS

    如果您正在跑步机上运行作业,则您具有对 config.toml 文件的写权限(并且您知道自己在做什么):

    Configure TLS

    If you are running jobs on a runner that you have write access to the config.toml file (and you know what you are doing):

    config.toml:

    ...
    
    [[runners]]
      name = "My Docker Runner"
      url = "http://gitlab.com"
      token = ""
      executor = "docker"
      [runners.custom_build_dir]
      [runners.docker]
        ## Changes here ##
        privileged = true  ## may not be necessary, default is false
        volumes = ["/certs/client", "/cache"]  ## adds volume "/certs/client"
        shm_size = 0
    
    ...
    

    .gitlab-ci.yml:

    image: docker:19.03
    
    variables:
      # Create the certificates inside this directory for both the server
      # and client. The certificates used by the client will be created in
      # /certs/client so we only need to share this directory with the
      # volume mount in `config.toml`.
      DOCKER_TLS_CERTDIR: "/certs"`
    

    这篇关于docker-compose中的Gitlab-runner无法连接http://docker:2375/v1.40/info的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!

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