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Axis_Cam_Tailscale/build.sh
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#!/usr/bin/env sh
# Build the Tailscale ACAP variants.
#
# ./build.sh # build every variant
# ./build.sh aarch64 arm # build only the named variant folders
#
# Variant folders map to release .eap suffixes: *_ROOT -> _root, *_acap3 -> _acap3.
# RUNTIME=docker|podman forces a container runtime; TAILSCALE_VERSION overrides
# the version resolved by ci/upstream-version.sh.
set -eu
REPO_ROOT=$(cd -P "$(dirname "$0")" && pwd)
cd "$REPO_ROOT"
if [ -z "${RUNTIME:-}" ]; then
if command -v docker >/dev/null 2>&1 && docker info >/dev/null 2>&1; then
RUNTIME=docker
elif command -v podman >/dev/null 2>&1; then
RUNTIME=podman
else
echo 'Error: neither docker nor podman found in PATH' >&2
exit 1
fi
fi
echo "==> Using container runtime: ${RUNTIME}"
VERSION="${TAILSCALE_VERSION:-$(sh ci/upstream-version.sh)}"
[ -n "$VERSION" ] || {
echo 'Error: could not resolve a Tailscale version' >&2
exit 1
}
echo "==> Tailscale version: ${VERSION}"
# --- fetch and strip upstream binaries ---------------------------------------
BINS="${REPO_ROOT}/tailscale_bins"
rm -rf "$BINS"
rm -rf "${REPO_ROOT}/debug"
mkdir -p "$BINS"
fetch_arch() {
tgz_arch=$1
suffix=$2
echo "==> Downloading tailscale ${VERSION} (${tgz_arch})"
curl -fsSL "https://pkgs.tailscale.com/stable/tailscale_${VERSION}_${tgz_arch}.tgz" \
-o "${BINS}/ts_${suffix}.tgz"
tar -xzf "${BINS}/ts_${suffix}.tgz" -C "$BINS" --strip-components=1
mv "${BINS}/tailscale" "${BINS}/tailscale_${suffix}"
mv "${BINS}/tailscaled" "${BINS}/tailscaled_${suffix}"
rm -f "${BINS}/ts_${suffix}.tgz"
}
fetch_arch arm arm
fetch_arch arm64 arm64
# Upstream ships unstripped binaries; stripping saves ~23 MB per package. Do it
# inside the SDK container: without host cross-binutils it silently did nothing.
SDK_IMAGE=axisecp/acap-native-sdk:12.10.0
SDK_UBUNTU=ubuntu24.04
strip_arch() {
sdk_arch=$1
suffix=$2
echo "==> Stripping ${suffix} binaries"
# Unstripped copies for symbolising crash dumps; never shipped.
mkdir -p "${REPO_ROOT}/debug"
cp "${BINS}/tailscale_${suffix}" "${REPO_ROOT}/debug/tailscale-${suffix}.unstripped"
cp "${BINS}/tailscaled_${suffix}" "${REPO_ROOT}/debug/tailscaled-${suffix}.unstripped"
# SC2016: $STRIP must expand inside the container, not on the host.
# shellcheck disable=SC2016
cid=$("$RUNTIME" create "${SDK_IMAGE}-${sdk_arch}-${SDK_UBUNTU}" sh -c \
'. /opt/axis/acapsdk/environment-setup* >/dev/null 2>&1 && "${STRIP:?SDK environment did not set STRIP}" /tmp/tailscale /tmp/tailscaled')
"$RUNTIME" cp "${BINS}/tailscale_${suffix}" "${cid}:/tmp/tailscale"
"$RUNTIME" cp "${BINS}/tailscaled_${suffix}" "${cid}:/tmp/tailscaled"
"$RUNTIME" start -a "$cid"
"$RUNTIME" cp "${cid}:/tmp/tailscale" "${BINS}/tailscale_${suffix}"
"$RUNTIME" cp "${cid}:/tmp/tailscaled" "${BINS}/tailscaled_${suffix}"
"$RUNTIME" rm "$cid" >/dev/null
}
strip_arch aarch64 arm64
strip_arch armv7hf arm
# --- build variants -----------------------------------------------------------
echo '==> Cleaning old .eap files...'
rm -f "${REPO_ROOT}"/*.eap
rm -rf "${REPO_ROOT}/build"
build_variant() {
folder=${1%/}
[ -d "${folder}/app" ] || return 0
[ "$folder" = common ] && return 0
# aarch64/arm/aarch64_ROOT/arm_ROOT share sources via common/app; only
# arm_acap3 carries its own self-contained app tree.
case "$folder" in
aarch64 | arm | aarch64_ROOT | arm_ROOT) lib_dir="common/app/lib" ;;
*) lib_dir="${folder}/app/lib" ;;
esac
mkdir -p "$lib_dir"
case "$folder" in
arm*) src=arm ;;
*) src=arm64 ;;
esac
cp "${BINS}/tailscale_${src}" "${lib_dir}/tailscale"
cp "${BINS}/tailscaled_${src}" "${lib_dir}/tailscaled"
case "$folder" in
*_ROOT) variant="_root" ;;
*_acap3) variant="_acap3" ;;
*) variant="" ;;
esac
tag=$(echo "$folder" | tr '[:upper:]' '[:lower:]' | tr '/ ' '__')
echo "==> Building ${folder}"
"$RUNTIME" build -f "${folder}/Dockerfile" --tag "$tag" .
out="${REPO_ROOT}/build/${tag}"
mkdir -p "$out"
cid=$("$RUNTIME" create "$tag")
"$RUNTIME" cp "${cid}:/opt/app" "$out"
"$RUNTIME" rm "$cid" >/dev/null
find "$out" -type f -name '*.eap' | while read -r eap; do
base=$(basename "$eap" .eap)
mv "$eap" "${REPO_ROOT}/${base}${variant}.eap"
done
}
if [ "$#" -eq 0 ]; then
set -- */
fi
for v in "$@"; do
build_variant "$v"
done
rm -rf "${REPO_ROOT}/build" "$BINS"
echo '==> Done!'
ls -lh "${REPO_ROOT}"/*.eap 2>/dev/null || true