Add packages to support deadsnakes Python install in jobs #67

dboreham · 2023-10-11T22:23:14Z

dboreham commented

2023-10-11 22:23:14 +00:00

When trying to get our CI jobs to run on ARM Linux I found that the stock python action uses a binary repository that has no builds for aarch64/Linux. The recommended workaround is to use a different action that instead pulls from a Debian package repository containing Python packages for various versions and architectures, called deadsnakes.

While in theory that would solve the problem, it turned out to create yet more problems. This PR addresses those by adding the sudo command to the runner container, and a package to supply the command used to add a new apt repo. In addition, because the Python package install in turn triggers the installation of the tzdata package that ends up looking for user input (and the use of sudo thwarts the usual workaround), this PR sets the container time zone. This has the side affect of skipping the user input step.

You might ask why we should install random stuff in our runner container like this, for a specific github action? Normally that wouldn't be appropriate, however since the deadsnakes action appears to be fairly widely used, my assumption is that the Ubuntu runners at GitHub must have these various pieces already installed. On that basis (parity with GitHub runner environment) I think it makes sense.

When trying to get our CI jobs to run on ARM Linux I found that the stock python action uses a binary repository that has no builds for aarch64/Linux. The recommended workaround is to use a [different action](https://github.com/deadsnakes/action) that instead pulls from a Debian package repository containing Python packages for various versions and architectures, called deadsnakes. While in theory that would solve the problem, it turned out to create yet more problems. This PR addresses those by adding the `sudo` command to the runner container, and a package to supply the command used to add a new apt repo. In addition, because the Python package install in turn triggers the installation of the tzdata package that ends up looking for user input (and the use of sudo thwarts the usual workaround), this PR sets the container time zone. This has the side affect of skipping the user input step. You might ask why we should install random stuff in our runner container like this, for a specific github action? Normally that wouldn't be appropriate, however since the deadsnakes action appears to be fairly widely used, my assumption is that the Ubuntu runners at GitHub must have these various pieces already installed. On that basis (parity with GitHub runner environment) I think it makes sense.

dboreham added 1 commit 2023-10-11 22:23:15 +00:00

Add packages to support deadsnakes Python install in jobs 47d42b864b

dboreham added 1 commit 2023-10-11 22:25:18 +00:00

Fix typo f5d66c9f40

dboreham requested review from telackey 2023-10-11 22:26:01 +00:00

telackey approved these changes 2023-10-11 22:40:33 +00:00

dboreham merged commit 6288a384ce into main

2023-10-11 22:43:13 +00:00

dboreham referenced this issue from a commit

2023-10-11 22:43:14 +00:00

Merge pull request 'Add packages to support deadsnakes Python install in jobs' (#67) from dboreham/deadsnakes-fixes into main

dboreham deleted branch dboreham/deadsnakes-fixes

2023-10-11 22:43:19 +00:00

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Reference: cerc-io/hosting#67