From 6b9e29c45002eb909245661b012fd096df11b86f Mon Sep 17 00:00:00 2001 From: EuAndreh Date: Thu, 12 Nov 2020 18:06:42 -0300 Subject: Add TIL on CI with Nix and Bash --- ...2-diy-bare-bones-ci-server-with-bash-and-nix.po | 91 ++++++++++++++++++++++ 1 file changed, 91 insertions(+) create mode 100644 locale/fr/LC_MESSAGES/_tils/2020-11-12-diy-bare-bones-ci-server-with-bash-and-nix.po (limited to 'locale/fr/LC_MESSAGES/_tils') diff --git a/locale/fr/LC_MESSAGES/_tils/2020-11-12-diy-bare-bones-ci-server-with-bash-and-nix.po b/locale/fr/LC_MESSAGES/_tils/2020-11-12-diy-bare-bones-ci-server-with-bash-and-nix.po new file mode 100644 index 0000000..cbc72d1 --- /dev/null +++ b/locale/fr/LC_MESSAGES/_tils/2020-11-12-diy-bare-bones-ci-server-with-bash-and-nix.po @@ -0,0 +1,91 @@ +# +msgid "" +msgstr "" + +msgid "title: DIY bare bones CI server with Bash and Nix" +msgstr "" + +msgid "date: 2020-11-12 3" +msgstr "" + +msgid "layout: post" +msgstr "" + +msgid "lang: en" +msgstr "" + +msgid "ref: diy-bare-bones-ci-server-with-bash-and-nix" +msgstr "" + +msgid "" +"With a server with Nix installed (no need for NixOS), you can leverage its " +"build isolation for running CI jobs by adding a [post-receive](https://git-" +"scm.com/book/en/v2/Customizing-Git-Git-Hooks) Git hook to the server." +msgstr "" + +msgid "" +"In most of my project I like to keep a `test` attribute which runs the test " +"with `nix-build -A test`. This way, a post-receive hook could look like:" +msgstr "" + +msgid "" +"#!/usr/bin/env bash\n" +"set -Eeuo pipefail\n" +"set -x\n" +"\n" +"LOGS_PREFIX=\"/data/static/ci-logs/libedn\"\n" +"mkdir -p \"$LOGS_DIR\"\n" +"LOGFILE=\"${LOGS_DIR}/$(date -Is)-$(git rev-parse master).log\"\n" +"exec &> >(tee -a \"${LOGFILE}\")\n" +"\n" +"unset GIT_DIR\n" +"CLONE=\"$(mktemp -d)\"\n" +"git clone . \"$CLONE\"\n" +"pushd \"$CLONE\"\n" +"\n" +"finish() {\n" +" printf \"\\n\\n>>> exit status was %s\\n\" \"$?\"\n" +"}\n" +"trap finish EXIT\n" +"\n" +"nix-build -A test\n" +msgstr "" + +msgid "" +"We initially (lines #5 to #8) create a log file, named after *when* the run " +"is running and for *which* commit it is running for. The `exec` and `tee` " +"combo allows the output of the script to go both to `stdout` *and* the log " +"file. This makes the logs output show up when you do a `git push`." +msgstr "" + +msgid "" +"Lines #10 to #13 create a fresh clone of the repository and line #20 runs " +"the test command." +msgstr "" + +msgid "" +"After using a similar post-receive hook for a while, I now even generate a " +"simple HTML file to make the [logs available](https://ci.euandreh.xyz/) " +"through the browser." +msgstr "" + +msgid "Upsides" +msgstr "" + +msgid "No vendor lock-in, as all you need is a server with Nix installed." +msgstr "" + +msgid "" +"And if you pin the Nixpkgs version you're using, this very simple setup " +"yields extremely sandboxed runs on a very hermetic environment." +msgstr "" + +msgid "Downsides" +msgstr "" + +msgid "" +"Besides the many missing shiny features of this very simplistic CI, `nix-" +"build` can be very resource intensive. Specifically, it consumes too much " +"memory. So if it has to download too many things, or the build closure gets " +"too big, the server might very well run out of memory." +msgstr "" -- cgit v1.2.3