Travis-CI：Docker映像作为构建环境 [英] Travis-CI: docker image as build environment

问题描述

在 Travis CI 中是否可以从Docker容器内部运行构建过程？

In Travis CI is it possible to run the build process from inside a docker container?

在 GitLab CI 这是默认设置。我们可以简单地在 .gitlab-ci.yml 中定义映像，然后所有构建/测试/部署将在该容器中运行。但是，特拉维斯（Travis）似乎对docker使用情况有完全不同的看法 。如何在Travis中实现类似的行为？

In GitLab CI this is the default. We can simply define the image in .gitlab-ci.yml then all the build/test/deploy will run inside that container. However, Travis seems to have totally different view about docker usage. How can I achieve a similar behavior in Travis?

推荐答案

事实证明，使用Travis-CI比起第一次出现要容易得多。您要做的就是使用 docker exec 调用编写常规的构建脚本。进行一些棘手的第三方服务集成可能需要专用的shell脚本，如下面的codecov.io示例中所示。

It turns out this is easier to do with Travis-CI than it first appears. All you have to do is write your normal build script using docker exec calls. Doing some of the trickier third-party service integrations may require dedicated shell scripts, as in the codecov.io example below.

示例：

sudo: required
language: cpp
services:
  - docker
before_install:
  - docker pull user/build:latest
  - docker run -it -d --name build user/build bash
  - docker exec build git clone https://github.com/user/product.git
script:
  - docker exec build cmake -H/product -B/_build
  - docker exec build cmake --build /_build
  - docker exec build cmake --build /_build --target documentation
  - docker exec build cmake --build /_build --target run-tests
after_success:
  - docker exec build bash /project/codecov.sh

codecov.sh：

codecov.sh:

#!/usr/bin/env bash
cd /project && \
  bash <(curl -s https://codecov.io/bash) \
  -f /_build/app.coverage.txt \
  -t uuid-project-token \
  -X gcov \
  -X coveragepy \
  -X search \
  -X xcode \
  -R /project \
  -F unittests \
  -Z

使用可以在此处找到此技术： https://github.com/qbradq/tales- of-sosaria / tree / e28eb9877fd7071adae9ab03f40a82ea8317a7df

A real-life project using this technique can be found here: https://github.com/qbradq/tales-of-sosaria/tree/e28eb9877fd7071adae9ab03f40a82ea8317a7df

我在这里写了一篇有关整个过程的文章： https://normanblancaster.wordpress.com/2017/01/31 / leader-edge-c-build-environments-with-docker-and-travis-ci /

And I wrote an article about the whole process here: https://normanblancaster.wordpress.com/2017/01/31/leading-edge-c-build-environments-with-docker-and-travis-ci/

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