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github-action-runner-reference-docker #19

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github-action-runner-reference-docker

github-action-runner-reference-docker #19

Workflow file for this run

.github/workflows/runner-reference-docker.yml at 575c5b4
name: github-action-runner-reference-docker
on:
workflow_dispatch:
# remove all permission, just checking whats on the runner
permissions: {}
defaults:
run:
# when the `shell` is explicitly set, the following options are automically applied:
# `set -eo pipefail`
# These options are NOT applied by default (https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#exit-codes-and-error-action-preference)
#
# The output of `ps faux` on linux shows that the .bash_profile and .bashrc file is ignored
# ps faux ==> /usr/bin/bash --noprofile --norc -e -o pipefail <job script>.sh
shell: bash
env:
# just for fun
HELLO: world
jobs:
dump-it-out:
name: "${{ matrix.os}} docker dump out"
runs-on: ${{ matrix.os }}
strategy:
matrix:
os:
- ubuntu-22.04
steps:
- name: do all the docker things
run: |
# setup QEMU
docker run --privileged --rm tonistiigi/binfmt --install all
cat >> $GITHUB_STEP_SUMMARY <<EOF
# Building multi arch docker images w/ Github Actions
Demonstration from this discussion that I answered back in 10/2022
describing at a highlevel of the official github actions from Docker
do.
> How to run a job in a container with architecture emulation?
https://github.com/orgs/community/discussions/38728
https://docs.docker.com/build/ci/github-actions/
---
Most of the commands are viewable here in the summary section. This is because
the job logs expire after X amount of time (90 days?), but anything written to the step summary
seems to persist indefinitely.
EOF
cat >> $GITHUB_STEP_SUMMARY <<'OPEN_FENCE'
### docker version
```console
OPEN_FENCE
tee -a $GITHUB_STEP_SUMMARY <<EOF
$ docker version
$(docker version)
EOF
tee -a $GITHUB_STEP_SUMMARY <<'CLOSE_FENCE'
```
CLOSE_FENCE
tee -a $GITHUB_STEP_SUMMARY <<'OPEN_FENCE'
### docker images
```console
OPEN_FENCE
tee -a $GITHUB_STEP_SUMMARY <<EOF
$ docker images
$(docker images)
EOF
tee -a $GITHUB_STEP_SUMMARY <<'CLOSE_FENCE'
```
CLOSE_FENCE
tee -a $GITHUB_STEP_SUMMARY <<'OPEN_FENCE'
### docker buildx ls num 1
```console
OPEN_FENCE
tee -a $GITHUB_STEP_SUMMARY <<EOF
$ docker buildx ls
$(docker buildx ls)
EOF
tee -a $GITHUB_STEP_SUMMARY <<'CLOSE_FENCE'
```
CLOSE_FENCE
tee -a $GITHUB_STEP_SUMMARY <<'OPEN_FENCE'
### create a docker-container builder
```console
OPEN_FENCE
tee -a $GITHUB_STEP_SUMMARY <<EOF
$ docker buildx create \
--use \
--name container \
--driver-opt network=host \
--driver docker-container \
--bootstrap
$(docker buildx create \
--use \
--name container \
--driver-opt network=host \
--driver docker-container \
--bootstrap)
EOF
tee -a $GITHUB_STEP_SUMMARY <<'CLOSE_FENCE'
```
CLOSE_FENCE
tee -a $GITHUB_STEP_SUMMARY <<'OPEN_FENCE'
### docker buildx ls num 2
```console
OPEN_FENCE
tee -a $GITHUB_STEP_SUMMARY <<EOF
$ docker buildx ls
$(docker buildx ls)
EOF
tee -a $GITHUB_STEP_SUMMARY <<'CLOSE_FENCE'
```
CLOSE_FENCE
# in order to build multi-arch all at once, you need to push to a registry first
# the github actions from docker push to ghcr but i don't want to do that just for quick testing
docker run --rm -d -p 5000:5000 --name registry registry:2
echo ""
echo "DOCKER PS"
docker ps -a
tee -a $GITHUB_STEP_SUMMARY <<'OPEN_FENCE'
## build multi platform image
```console
OPEN_FENCE
# warning: the actual EOF needs to be tab delimited and line up with the begging of the indentation :sad:
tee -a $GITHUB_STEP_SUMMARY <<'BUILD'
$ docker buildx build \
--tag localhost:5000/deric4/gha-reference \
--push \
--platform linux/amd64,linux/arm64 . \
--progress plain \
-f-<<'EOF'
FROM debian:latest
CMD echo "\n\n\tIN CONTAINER\n\tarch: $(dpkg --print-architecture)\n\n"
EOF
...
BUILD
# docker buildx outputs on stderr, so redirect stderr to stdout in the subshell
tee -a $GITHUB_STEP_SUMMARY <<-BUILD
$(
2>&1 docker buildx build \
--tag localhost:5000/deric4/gha-reference \
--push \
--platform linux/amd64,linux/arm64 . \
--progress plain \
-f-<<-'EOF'
FROM debian:latest
CMD echo "\n\n\tIN CONTAINER\n\tarch: $(dpkg --print-architecture)\n\n"
EOF
)
BUILD
tee -a $GITHUB_STEP_SUMMARY <<'CLOSE_FENCE'
```
CLOSE_FENCE
tee -a $GITHUB_STEP_SUMMARY <<'OPEN_FENCE'
## docker run linux/amd64
:warning: check workflow file for ommitted previous steps for setting up a local registry
```console
OPEN_FENCE
tee -a $GITHUB_STEP_SUMMARY <<EOF
$ docker run \
--platform linux/amd64 \
--rm \
localhost:5000/deric4/gha-reference
$(
docker run \
--platform linux/amd64 \
--rm \
localhost:5000/deric4/gha-reference
)
EOF
tee -a $GITHUB_STEP_SUMMARY <<'CLOSE_FENCE'
```
CLOSE_FENCE
tee -a $GITHUB_STEP_SUMMARY <<'OPEN_FENCE'
<details>
<summary>
### docker inspect linux/amd64
</summary>
```console
OPEN_FENCE
tee -a $GITHUB_STEP_SUMMARY <<EOF
$ docker image inspect 'localhost:5000/deric4/gha-reference:latest'
$(docker image inspect 'localhost:5000/deric4/gha-reference:latest')
EOF
cat >> $GITHUB_STEP_SUMMARY <<'CLOSE_FENCE'
```
</details>
CLOSE_FENCE
tee -a $GITHUB_STEP_SUMMARY <<'OPEN_FENCE'
## docker run linux/arm64
:warning: check workflow file for ommitted previous steps for setting up a local registry
```console
OPEN_FENCE
tee -a $GITHUB_STEP_SUMMARY <<EOF
$ docker run \
--platform linux/arm64 \
--rm \
localhost:5000/deric4/gha-reference
$(
docker run \
--platform linux/arm64 \
--rm \
localhost:5000/deric4/gha-reference
)
EOF
tee -a $GITHUB_STEP_SUMMARY <<'CLOSE_FENCE'
```
CLOSE_FENCE
tee -a $GITHUB_STEP_SUMMARY <<'OPEN_FENCE'
<details>
<summary>
### docker inspect linux/arm64
</summary>
```console
OPEN_FENCE
tee -a $GITHUB_STEP_SUMMARY <<EOF
$ docker image inspect 'localhost:5000/deric4/gha-reference:latest'
$(docker image inspect 'localhost:5000/deric4/gha-reference:latest')
EOF
cat >> $GITHUB_STEP_SUMMARY <<'CLOSE_FENCE'
```
</details>
CLOSE_FENCE