如何在 Travis CI 中使用 Devicemapper Docker 文件系统后端？

Question

由于 https://github.com/docker/docker/issues/6980.

，我与 Travis CI 有一些问题

我找到了解决方案 - 在 /etc/default/docker 中添加：

DOCKER_OPTS="--storage-driver=devicemapper"

所以我尝试修改 Docker 设置以在 .travis.yml:

中使用另一个存储驱动程序

before_install:
  - sudo ps -A|grep docker
  - sudo service docker stop
  - sudo ps -A
  - sudo echo 'DOCKER_OPTS="-H tcp://127.0.0.1:2375 -H unix:///var/run/docker.sock -s devicemapper"' | sudo tee /etc/default/docker > /dev/null
  #- sudo echo 'DOCKER_OPTS="-s devicemapper"' | sudo tee /etc/default/docker > /dev/null
  - sudo cat /etc/default/docker
  - sudo service docker start
  - sudo ps -A|grep docker
  #- sudo service docker restart
  - sudo docker pull centos:7

但是失败了。当我使用：

- sudo echo 'DOCKER_OPTS="-H tcp://127.0.0.1:2375 -H unix:///var/run/docker.sock -s devicemapper"' | sudo tee /etc/default/docker > /dev/null

我收到一个错误 https://travis-ci.org/weldpua2008/ansible-apache/jobs/82684013:

Post http:///var/run/docker.sock/v1.19/images/create?fromImage=weldpua2008%2Fdocker-ansible%3Acentos6_v1.9.2: dial unix /var/run/docker.sock: no such file or directory. Are you trying to connect to a TLS-enabled daemon without TLS?

当我尝试时：

 - sudo echo 'DOCKER_OPTS="-s devicemapper"' | sudo tee /etc/default/docker > /dev/null

我收到 https://travis-ci.org/weldpua2008/ansible-apache/jobs/82685316 一个错误：

Cannot connect to the Docker daemon. Is 'docker -d' running on this host?

Answer 1

由于 Travis CI Docker 错误，可以使用新版本的 Docker。感谢 Travis CI 团队的 Dominic Jodoin。 .travis.yml:

sudo: required
env:
  #matrix:
  - OS_TYPE=centos OS_VERSION=6 ANSIBLE_VERSION=1.9.2

branches:
  only:
  - master
#  - stable

services:
  - docker

before_install:
  - sudo apt-get update
  - sudo apt-get upgrade lxc-docker
  - echo 'DOCKER_OPTS="-H tcp://127.0.0.1:2375 -H unix:///var/run/docker.sock -s devicemapper"' | sudo tee /etc/default/docker > /dev/null
  - sudo service docker restart
  - sleep 5
  - sudo docker pull weldpua2008/docker-ansible:${OS_TYPE}${OS_VERSION}_v${ANSIBLE_VERSION}

script:
 # Run tests in Container
 - sudo docker run --rm=true -v `pwd`:/ansible-apache:rw weldpua2008/docker-ansible:${OS_TYPE}${OS_VERSION}_v${ANSIBLE_VERSION} /bin/bash -c "/ansible-apache/tests/test-in-docker-image.sh ${OS_TYPE} ${OS_VERSION} ${ANSIBLE_VERSION}"

notifications:
  email: false

如何在 Travis CI 中使用 Devicemapper Docker 文件系统后端？

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