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Dockerfile: add or document an alpine setup #169

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75 changes: 48 additions & 27 deletions .github/workflows/containers.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,10 @@ on:
pull_request:
workflow_dispatch:
inputs:
distros:
description: "Distribution to use as the base docker image (debian or alpine or both)"
default: "debian alpine"
required: false
ref:
description: "Tag or branch to deploy (empty for main)"
default: "main"
Expand Down Expand Up @@ -76,6 +80,7 @@ jobs:
id: find_targets
run: |
TARGET_FILTER="${{ github.event.inputs.target }}"
DISTROS="$(${{ github.event.inputs.distros != '' }} && echo '${{github.event.inputs.distros}}' || echo 'debian alpine')"

# imagebuilders & rootfs
JSON_IB='['
Expand All @@ -84,26 +89,32 @@ jobs:
JSON_ROOTFS='['
FIRST_ROOTFS=1

while read -r line;
do
TARGET=$(echo "$line" | cut -d " " -f 1)
ARCH=$(echo "$line" | cut -d " " -f 2)
for DISTRO in $DISTROS; do

while read -r line;
do
TARGET=$(echo "$line" | cut -d " " -f 1)
ARCH=$(echo "$line" | cut -d " " -f 2)

[[ $FIRST_IB -ne 1 ]] && JSON_IB="$JSON_IB"','
FIRST_IB=0
[[ $FIRST_IB -ne 1 ]] && JSON_IB="$JSON_IB"','
FIRST_IB=0

JSON_IB="$JSON_IB"'{"target":"'"$TARGET"'"}'
JSON_IB="$JSON_IB"'{"distro": "'"$DISTRO"'", "target":"'"$TARGET"'"}'

case "$TARGET" in
x86/*|arm*|malta/be|mvebu/cortexa9)
[[ $FIRST_ROOTFS -ne 1 ]] && JSON_ROOTFS="$JSON_ROOTFS"','
FIRST_ROOTFS=0
if [ $DISTRO == $(echo "${DISTROS[0]%% *}") ]; then
case "$TARGET" in
x86/*|arm*|malta/be|mvebu/cortexa9)
[[ $FIRST_ROOTFS -ne 1 ]] && JSON_ROOTFS="$JSON_ROOTFS"','
FIRST_ROOTFS=0

JSON_ROOTFS="$JSON_ROOTFS"'{"target":"'"$TARGET"'","arch":"'"$ARCH"'"}'
;;
esac
JSON_ROOTFS="$JSON_ROOTFS"'{"target":"'"$TARGET"'","arch":"'"$ARCH"'"}'
;;
esac
fi

done <<< $(perl ./scripts/dump-target-info.pl targets 2>/dev/null | ([[ -n "$TARGET_FILTER" ]] && grep -w "$TARGET_FILTER" || cat))
done <<< $(perl ./scripts/dump-target-info.pl targets 2>/dev/null | ([[ -n "$TARGET_FILTER" ]] && grep -w "$TARGET_FILTER" || cat))

done

JSON_IB='{"include":'"$JSON_IB"']}'
echo -e "\n---- imagebuilders ----\n"
Expand All @@ -121,17 +132,21 @@ jobs:
JSON='['
FIRST=1

while read -r line;
do
ARCH=$(echo "$line" | cut -d " " -f 1)
[ -z "$TARGET_FILTER" ] && TARGET=$(echo "$line" | cut -d " " -f 2) || TARGET="$TARGET_FILTER"
TARGETS=$(echo "$line" | cut -d " " -f 2- | sed -e 's/ /\\n/g')
for DISTRO in $DISTROS; do

while read -r line;
do
ARCH=$(echo "$line" | cut -d " " -f 1)
[ -z "$TARGET_FILTER" ] && TARGET=$(echo "$line" | cut -d " " -f 2) || TARGET="$TARGET_FILTER"
TARGETS=$(echo "$line" | cut -d " " -f 2- | sed -e 's/ /\\n/g')

[[ $FIRST -ne 1 ]] && JSON="$JSON"','
FIRST=0
[[ $FIRST -ne 1 ]] && JSON="$JSON"','
FIRST=0

JSON="$JSON"'{"arch":"'"$ARCH"'","target":"'"$TARGET"'","tags":"'"$ARCH"'\n'"$TARGETS"'"}'
done <<< $(perl ./scripts/dump-target-info.pl architectures 2>/dev/null | ([[ -n "$TARGET_FILTER" ]] && grep -w "$TARGET_FILTER" || cat))
JSON="$JSON"'{"distro":"'"$DISTRO"'", "arch":"'"$ARCH"'","target":"'"$TARGET"'","tags":"'"$ARCH"'\n'"$TARGETS"'"}'
done <<< $(perl ./scripts/dump-target-info.pl architectures 2>/dev/null | ([[ -n "$TARGET_FILTER" ]] && grep -w "$TARGET_FILTER" || cat))

done

JSON='{"include":'"$JSON"']}'
echo -e "\n---- sdks ----\n"
Expand Down Expand Up @@ -190,6 +205,7 @@ jobs:
flavor: |
latest=false
prefix=${{ github.event.inputs.prefix }}
suffix=${{ matrix.distro == 'alpine' && '-alpine' || '' }}
tags: |
${{ matrix.target }}-${{ needs.generate_matrix.outputs.ref }}
${{ matrix.target }}-${{ needs.generate_matrix.outputs.version }}
Expand All @@ -205,6 +221,7 @@ jobs:
push: false
tags: ${{ steps.meta.outputs.tags }}
labels: ${{ steps.meta.outputs.labels }}
file: ${{ matrix.distro == 'debian' && 'Dockerfile' || 'Dockerfile.alpine' }}
build-args: |
DOWNLOAD_FILE=imagebuilder-.*x86_64.tar.[xz|zst]
VERSION_PATH=${{ needs.generate_matrix.outputs.version_path }}
Expand All @@ -229,6 +246,7 @@ jobs:
no-cache: true
tags: ${{ steps.meta.outputs.tags }}
labels: ${{ steps.meta.outputs.labels }}
file: ${{ matrix.distro == 'debian' && 'Dockerfile' || 'Dockerfile.alpine' }}
build-args: |
DOWNLOAD_FILE=imagebuilder-.*x86_64.tar.[xz|zst]
VERSION_PATH=${{ needs.generate_matrix.outputs.version_path }}
Expand Down Expand Up @@ -282,7 +300,7 @@ jobs:
flavor: |
latest=false
prefix=${{ github.event.inputs.prefix }}
suffix=-${{ needs.generate_matrix.outputs.ref }}
suffix=-${{ needs.generate_matrix.outputs.ref }}${{ matrix.distro == 'alpine' && '-alpine' || '' }}
tags: ${{ matrix.tags }}

- name: Docker meta (version)
Expand All @@ -296,7 +314,7 @@ jobs:
flavor: |
latest=false
prefix=${{ github.event.inputs.prefix }}
suffix=-${{ needs.generate_matrix.outputs.version }}
suffix=-${{ needs.generate_matrix.outputs.version }}${{ matrix.distro == 'alpine' && '-alpine' || '' }}
tags: ${{ matrix.tags }}

- name: Docker meta (master)
Expand All @@ -311,7 +329,7 @@ jobs:
flavor: |
latest=false
prefix=${{ github.event.inputs.prefix }}
suffix=-master
suffix=-master${{ matrix.distro == 'alpine' && '-alpine' || '' }}
tags: ${{ matrix.tags }}

- name: Docker meta (target and arch)
Expand All @@ -326,6 +344,7 @@ jobs:
flavor: |
latest=false
prefix=${{ github.event.inputs.prefix }}
suffix=${{ matrix.distro == 'alpine' && '-alpine' || '' }}
tags: ${{ matrix.tags }}

- name: Docker meta (latest)
Expand All @@ -337,6 +356,8 @@ jobs:
ghcr.io/openwrt/sdk
docker.io/openwrt/sdk
quay.io/openwrt/sdk
flavor: |
suffix=${{ matrix.distro == 'alpine' && '-alpine' || '' }}
tags: latest

- name: Build
Expand Down
65 changes: 65 additions & 0 deletions Dockerfile.alpine
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Original file line number Diff line number Diff line change
@@ -0,0 +1,65 @@
FROM alpine:latest

USER root

RUN apk add -u --no-cache \
bash \
build-base \
bzip2 \
ccache \
coreutils \
diffutils \
findutils \
gawk \
git \
gettext \
gpg \
gpg-agent \
grep \
gzip \
libxslt \
ncurses-dev \
openssl-dev \
perl \
python3 \
py3-setuptools \
rsync \
unzip \
util-linux \
tar \
wget \
xz \
zlib-dev \
zstd

ARG USER=buildbot
ARG WORKDIR=/builder/
ARG CMD="/bin/bash"

ARG DOWNLOAD_FILE="imagebuilder-.*x86_64.tar.[xz|zst]"
ARG TARGET=x86/64
ARG FILE_HOST=downloads.openwrt.org
ARG VERSION_PATH

ENV DOWNLOAD_FILE=$DOWNLOAD_FILE
ENV TARGET=$TARGET
ENV FILE_HOST=$FILE_HOST
ENV VERSION_PATH=$VERSION_PATH

RUN adduser -h $WORKDIR -DH $USER

USER $USER
WORKDIR $WORKDIR

ADD --chown=buildbot:buildbot keys/*.asc /builder/keys/
COPY --chmod=0755 setup.sh /builder/setup.sh

ARG RUN_SETUP=0
ENV RUN_SETUP=$RUN_SETUP
RUN if [ "$RUN_SETUP" -eq 1 ]; then /builder/setup.sh; fi

ENTRYPOINT [ ]

# required to have CMD as ENV to be executed
ENV CMD_ENV=${CMD}
CMD ${CMD_ENV}