137 lines
4.4 KiB
Bash
Executable File
137 lines
4.4 KiB
Bash
Executable File
#!/usr/bin/env bash
|
|
set -xeuo pipefail
|
|
|
|
# Inputs expected from the workflow:
|
|
# GITHUB_REPOSITORY - owner/repo of the current action repo (provided by Actions)
|
|
# GITHUB_SHA - commit to clone/check out (provided by Actions, optional)
|
|
# GO_VERSION - optional, e.g. "1.23.3"; if unset, script will query latest.
|
|
|
|
main() {
|
|
# 1. Create temp directory
|
|
TMPDIR="$(mktemp -d)"
|
|
echo "Using temp dir: ${TMPDIR}"
|
|
|
|
cd "${TMPDIR}"
|
|
mkdir golang
|
|
cd golang
|
|
GO_VERSION=$(curl -s 'https://go.dev/VERSION?m=text' | head -n1)
|
|
GOLANG_URL="https://go.dev/dl/$(GO_VERSION).linux-amd64.tar.gz"
|
|
wget "${GOLANG_URL}"
|
|
tar xzf "${GO_VERSION}.linux-amd64.tar.gz"
|
|
ls -lah
|
|
|
|
# 2. Clone latest CoreDNS release
|
|
cd "${TMPDIR}"
|
|
COREDNS_REPO_URL="https://github.com/coredns/coredns.git"
|
|
COREDNS_DIR="${TMPDIR}/coredns"
|
|
|
|
# get latest tag (annotated or lightweight)
|
|
git clone --depth=1 --filter=blob:none --tags "${COREDNS_REPO_URL}" "${COREDNS_DIR}"
|
|
cd "${COREDNS_DIR}"
|
|
git fetch --tags
|
|
LATEST_TAG="$(git tag --list --sort=-version:refname | head -n 1)"
|
|
git fetch --tags --depth=1 origin "${LATEST_TAG}"
|
|
git checkout "${LATEST_TAG}"
|
|
|
|
# 3. Clone the GitHub Action's repo (this repo)
|
|
ACTION_REPO_DIR="${TMPDIR}/action-repo"
|
|
mkdir "${ACTION_REPO_DIR}"
|
|
cp -a . "${ACTION_REPO_DIR}/"
|
|
|
|
# 4. cd into the CoreDNS repo
|
|
cd "${COREDNS_DIR}"
|
|
|
|
# 5. Update plugin.cfg to include netboxdns plugin
|
|
# Insert netboxdns after the 'cache' plugin entry as recommended. [web:16][web:29]
|
|
if ! grep -q '^netboxdns:' plugin.cfg; then
|
|
awk '
|
|
/^cache:/ {
|
|
print
|
|
print "netboxdns:github.com/doubleu-labs/coredns-netbox-plugin-dns"
|
|
next
|
|
}
|
|
{ print }
|
|
' plugin.cfg >plugin.cfg.new
|
|
mv plugin.cfg.new plugin.cfg
|
|
fi
|
|
|
|
ls -lah
|
|
|
|
docker run --rm \
|
|
--user "$(id -u):$(id -g)" \
|
|
-v "$PWD":"/work" \
|
|
-w "/work" \
|
|
golang:latest ls -lah
|
|
|
|
# 6. Regenerate plugin source files
|
|
# CoreDNS uses go generate (via Makefile) to rebuild plugin glue code. [web:20][web:26]
|
|
docker run --rm \
|
|
--user "$(id -u):$(id -g)" \
|
|
-v "$PWD":"/work" \
|
|
-w "/work" \
|
|
golang:latest bash -c make core/plugin/zplugin.go core/dnsserver/zdirectives.go
|
|
|
|
# 7. go mod replace plugin path to the cloned action repo
|
|
# This assumes the plugin lives at github.com/doubleu-labs/coredns-netbox-plugin-dns in your repo. [web:16][web:23]
|
|
# Adjust relative path if your repo layout differs.
|
|
docker run --rm -it \
|
|
--user "$(id -u):$(id -g)" \
|
|
-v "$PWD":"/work" \
|
|
-w "/work" \
|
|
golang:latest go mod edit -replace=github.com/doubleu-labs/coredns-netbox-plugin-dns="${ACTION_REPO_DIR}"
|
|
|
|
# 8. Update Go version to the latest
|
|
# Install or pick latest Go and set GOTOOLCHAIN, or rely on pre-installed toolchain in the runner. [web:17]
|
|
# Here we query the latest stable from golang.org and export it for this build.
|
|
if [ -z "${GO_VERSION:-}" ]; then
|
|
GO_VERSION="$(curl -s https://go.dev/VERSION?m=text | head -n1 | sed 's/^go//')" # e.g. "1.23.3"
|
|
fi
|
|
|
|
echo "Using Go version: ${GO_VERSION}"
|
|
|
|
# If you use setup-go in the workflow, this is optional; otherwise install here.
|
|
# Example (Debian-based runner):
|
|
# sudo rm -rf /usr/local/go
|
|
# curl -sL "https://go.dev/dl/go${GO_VERSION}.linux-amd64.tar.gz" | sudo tar -C /usr/local -xz
|
|
# export PATH="/usr/local/go/bin:${PATH}"
|
|
|
|
export GOTOOLCHAIN="go${GO_VERSION}"
|
|
|
|
# 9. Compile CoreDNS
|
|
make coredns || make
|
|
|
|
# 10. Strip the binary
|
|
STRIP_BIN="${STRIP_BIN:-strip}"
|
|
"${STRIP_BIN}" ./coredns
|
|
|
|
# 11. Create a .deb installing /usr/local/bin/coredns
|
|
# Minimal Debian package using dpkg-deb. [web:17]
|
|
PKG_ROOT="${TMPDIR}/pkg-root"
|
|
mkdir -p "${PKG_ROOT}/DEBIAN" "${PKG_ROOT}/usr/local/bin"
|
|
|
|
# Basic metadata; tweak as needed
|
|
PKG_NAME="coredns-netboxdns"
|
|
PKG_VERSION="$(echo "${LATEST_TAG}" | sed 's/^v//')"
|
|
PKG_ARCH="$(dpkg --print-architecture 2>/dev/null || echo amd64)"
|
|
|
|
cat >"${PKG_ROOT}/DEBIAN/control" <<EOF
|
|
Package: ${PKG_NAME}
|
|
Version: ${PKG_VERSION}
|
|
Section: net
|
|
Priority: optional
|
|
Architecture: ${PKG_ARCH}
|
|
Maintainer: CI <ci@example.invalid>
|
|
Description: CoreDNS with netboxdns plugin
|
|
Custom CoreDNS build with netboxdns plugin compiled in.
|
|
EOF
|
|
|
|
install -m 0755 ./coredns "${PKG_ROOT}/usr/local/bin/coredns"
|
|
|
|
DEB_OUT="${TMPDIR}/${PKG_NAME}_${PKG_VERSION}_${PKG_ARCH}.deb"
|
|
dpkg-deb --build "${PKG_ROOT}" "${DEB_OUT}"
|
|
|
|
echo "Built Debian package at: ${DEB_OUT}"
|
|
}
|
|
|
|
main "$@"
|