tailscale/build_docker.sh
2024-11-29 15:32:18 +00:00

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#!/usr/bin/env sh
#
# This script builds Tailscale container images using
# github.com/tailscale/mkctr.
# By default the images will be tagged with the current version and git
# hash of this repository as produced by ./cmd/mkversion.
# This is the image build mechanim used to build the official Tailscale
# container images.
set -eu
# Use the "go" binary from the "tool" directory (which is github.com/tailscale/go)
export PATH="$PWD"/tool:"$PATH"
eval "$(./build_dist.sh shellvars)"
DEFAULT_TARGET="client"
DEFAULT_TAGS="v${VERSION_SHORT},v${VERSION_MINOR}"
DEFAULT_BASE="tailscale/alpine-base:3.18"
# Set a few pre-defined OCI annotations. The source annotation is used by tools such as Renovate that scan the linked
# Github repo to find release notes for any new image tags. Note that for official Tailscale images the default
# annotations defined here will be overriden by release scripts that call this script.
# https://github.com/opencontainers/image-spec/blob/main/annotations.md#pre-defined-annotation-keys
DEFAULT_ANNOTATIONS="org.opencontainers.image.source=https://github.com/tailscale/tailscale/blob/main/build_docker.sh,org.opencontainers.image.vendor=Tailscale"
PUSH="${PUSH:-false}"
TARGET="${TARGET:-${DEFAULT_TARGET}}"
TAGS="${TAGS:-${DEFAULT_TAGS}}"
BASE="${BASE:-${DEFAULT_BASE}}"
PLATFORM="${PLATFORM:-}" # default to all platforms
# OCI annotations that will be added to the image.
# https://github.com/opencontainers/image-spec/blob/main/annotations.md
ANNOTATIONS="${ANNOTATIONS:-${DEFAULT_ANNOTATIONS}}"
case "$TARGET" in
client)
DEFAULT_REPOS="tailscale/tailscale"
REPOS="${REPOS:-${DEFAULT_REPOS}}"
go run github.com/tailscale/mkctr \
--gopaths="\
tailscale.com/cmd/tailscale:/usr/local/bin/tailscale, \
tailscale.com/cmd/tailscaled:/usr/local/bin/tailscaled, \
tailscale.com/cmd/containerboot:/usr/local/bin/containerboot" \
--ldflags="\
-X tailscale.com/version.longStamp=${VERSION_LONG} \
-X tailscale.com/version.shortStamp=${VERSION_SHORT} \
-X tailscale.com/version.gitCommitStamp=${VERSION_GIT_HASH}" \
--base="${BASE}" \
--tags="${TAGS}" \
--gotags="ts_kube,ts_package_container" \
--repos="${REPOS}" \
--push="${PUSH}" \
--target="${PLATFORM}" \
--annotations="${ANNOTATIONS}" \
/usr/local/bin/containerboot
;;
k8s-operator)
DEFAULT_REPOS="tailscale/k8s-operator"
REPOS="${REPOS:-${DEFAULT_REPOS}}"
go run github.com/tailscale/mkctr \
--gopaths="tailscale.com/cmd/k8s-operator:/usr/local/bin/operator" \
--ldflags="\
-X tailscale.com/version.longStamp=${VERSION_LONG} \
-X tailscale.com/version.shortStamp=${VERSION_SHORT} \
-X tailscale.com/version.gitCommitStamp=${VERSION_GIT_HASH}" \
--base="${BASE}" \
--tags="${TAGS}" \
--gotags="ts_kube,ts_package_container" \
--repos="${REPOS}" \
--push="${PUSH}" \
--target="${PLATFORM}" \
--annotations="${ANNOTATIONS}" \
/usr/local/bin/operator
;;
k8s-nameserver)
DEFAULT_REPOS="tailscale/k8s-nameserver"
REPOS="${REPOS:-${DEFAULT_REPOS}}"
go run github.com/tailscale/mkctr \
--gopaths="tailscale.com/cmd/k8s-nameserver:/usr/local/bin/k8s-nameserver" \
--ldflags=" \
-X tailscale.com/version.longStamp=${VERSION_LONG} \
-X tailscale.com/version.shortStamp=${VERSION_SHORT} \
-X tailscale.com/version.gitCommitStamp=${VERSION_GIT_HASH}" \
--base="${BASE}" \
--tags="${TAGS}" \
--gotags="ts_kube,ts_package_container" \
--repos="${REPOS}" \
--push="${PUSH}" \
--target="${PLATFORM}" \
--annotations="${ANNOTATIONS}" \
/usr/local/bin/k8s-nameserver
;;
*)
echo "unknown target: $TARGET"
exit 1
;;
esac