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ci(release): add CLI/MCP binaries, checksums, SBOM, Cosign, SLSA provenance (M-3)

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shankar0123
2026-04-17 04:04:55 +00:00
parent 672e1d991d
commit b1df6dab27
2 changed files with 338 additions and 43 deletions
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.github/workflows/release.yml
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@@ -7,40 +7,30 @@ on:
env:
REGISTRY: ghcr.io
GO_VERSION: '1.22'
# Keep in lock-step with .github/workflows/ci.yml (M-3).
GO_VERSION: '1.25.9'
IMAGE_NAMESPACE: shankar0123
jobs:
# Cross-compile agent and server binaries for multiple platforms
# ----------------------------------------------------------------------
# build-binaries (M-3): matrix build every (binary × OS × arch) tuple.
# For each tuple we produce: the binary, a SPDX-JSON SBOM, a keyless
# Cosign signature + certificate bundle, and a single-line sha256sum
# file. All artefacts are uploaded to a workflow-scoped artifact; the
# aggregate-checksums job fans them back in for release upload.
# ----------------------------------------------------------------------
build-binaries:
name: Build Cross-Platform Binaries
name: Build ${{ matrix.binary }} (${{ matrix.os }}/${{ matrix.arch }})
runs-on: ubuntu-latest
permissions:
contents: write
contents: read
id-token: write # Cosign keyless OIDC identity token
strategy:
fail-fast: false
matrix:
include:
# Agent binaries (4 platforms)
- os: linux
arch: amd64
binary: agent
- os: linux
arch: arm64
binary: agent
- os: darwin
arch: amd64
binary: agent
- os: darwin
arch: arm64
binary: agent
# Server binaries (2 platforms)
- os: linux
arch: amd64
binary: server
- os: linux
arch: arm64
binary: server
binary: [agent, server, cli, mcp-server]
os: [linux, darwin]
arch: [amd64, arm64]
steps:
- uses: actions/checkout@v4
@@ -51,35 +41,171 @@ jobs:
- name: Extract version from tag
id: version
run: echo "VERSION=${GITHUB_REF#refs/tags/}" >> $GITHUB_OUTPUT
run: echo "VERSION=${GITHUB_REF#refs/tags/}" >> "$GITHUB_OUTPUT"
- name: Build ${{ matrix.binary }} binary (${{ matrix.os }}-${{ matrix.arch }})
- name: Build binary
id: build
env:
GOOS: ${{ matrix.os }}
GOARCH: ${{ matrix.arch }}
CGO_ENABLED: 0
CGO_ENABLED: '0'
VERSION: ${{ steps.version.outputs.VERSION }}
run: |
set -euo pipefail
OUTPUT_NAME="certctl-${{ matrix.binary }}-${{ matrix.os }}-${{ matrix.arch }}"
go build -ldflags="-w -s -X main.Version=${{ steps.version.outputs.VERSION }}" \
mkdir -p dist
go build \
-trimpath \
-ldflags="-w -s -X main.Version=${VERSION}" \
-o "dist/${OUTPUT_NAME}" \
"./cmd/${{ matrix.binary }}"
ls -lh "dist/${OUTPUT_NAME}"
echo "output_name=${OUTPUT_NAME}" >> "$GITHUB_OUTPUT"
- name: Upload binaries to release
- name: Generate SBOM (SPDX-JSON)
uses: anchore/sbom-action@e22c389904149dbc22b58101806040fa8d37a610 # v0.24.0
with:
file: dist/${{ steps.build.outputs.output_name }}
format: spdx-json
output-file: dist/${{ steps.build.outputs.output_name }}.sbom.spdx.json
upload-artifact: false
upload-release-assets: false
- name: Install Cosign
uses: sigstore/cosign-installer@cad07c2e89fa2edd6e2d7bab4c1aa38e53f76003 # v4.1.1
- name: Keyless-sign binary with Cosign
env:
OUTPUT_NAME: ${{ steps.build.outputs.output_name }}
run: |
set -euo pipefail
cosign sign-blob \
--yes \
--output-signature "dist/${OUTPUT_NAME}.sig" \
--output-certificate "dist/${OUTPUT_NAME}.pem" \
"dist/${OUTPUT_NAME}"
- name: Compute SHA-256 sidecar
env:
OUTPUT_NAME: ${{ steps.build.outputs.output_name }}
run: |
set -euo pipefail
cd dist
sha256sum "${OUTPUT_NAME}" > "${OUTPUT_NAME}.sha256"
cat "${OUTPUT_NAME}.sha256"
- name: Upload build artefacts
uses: actions/upload-artifact@v4
with:
name: binary-${{ steps.build.outputs.output_name }}
path: |
dist/${{ steps.build.outputs.output_name }}
dist/${{ steps.build.outputs.output_name }}.sig
dist/${{ steps.build.outputs.output_name }}.pem
dist/${{ steps.build.outputs.output_name }}.sbom.spdx.json
dist/${{ steps.build.outputs.output_name }}.sha256
if-no-files-found: error
retention-days: 7
# ----------------------------------------------------------------------
# aggregate-checksums (M-3): fan in every matrix artefact, produce a
# single checksums.txt (sha256sum format, compatible with `sha256sum
# -c`), sign it with Cosign, upload everything to the GitHub Release,
# and emit a base64-encoded hash manifest for the SLSA generator.
# ----------------------------------------------------------------------
aggregate-checksums:
name: Aggregate checksums & sign
runs-on: ubuntu-latest
needs: [build-binaries]
permissions:
contents: write
id-token: write # Cosign keyless OIDC identity token
outputs:
hashes: ${{ steps.hashes.outputs.hashes }}
steps:
- name: Download binary artefacts
uses: actions/download-artifact@v4
with:
pattern: binary-*
path: artifacts
merge-multiple: true
- name: Aggregate SHA-256 sums
id: hashes
run: |
set -euo pipefail
cd artifacts
: > checksums.txt
for f in certctl-*; do
case "$f" in
*.sig|*.pem|*.sbom.spdx.json|*.sha256|checksums.txt)
continue ;;
esac
sha256sum "$f" >> checksums.txt
done
echo "=== checksums.txt ==="
cat checksums.txt
# base64 hashes (single line, no wrapping) for SLSA generator.
HASHES=$(base64 -w0 < checksums.txt)
echo "hashes=${HASHES}" >> "$GITHUB_OUTPUT"
- name: Install Cosign
uses: sigstore/cosign-installer@cad07c2e89fa2edd6e2d7bab4c1aa38e53f76003 # v4.1.1
- name: Keyless-sign checksums.txt
run: |
set -euo pipefail
cd artifacts
cosign sign-blob \
--yes \
--output-signature checksums.txt.sig \
--output-certificate checksums.txt.pem \
checksums.txt
- name: Upload artefacts to GitHub Release
uses: softprops/action-gh-release@v2
if: startsWith(github.ref, 'refs/tags/')
with:
files: |
dist/certctl-agent-*
dist/certctl-server-*
artifacts/certctl-*
artifacts/checksums.txt
artifacts/checksums.txt.sig
artifacts/checksums.txt.pem
# Build and push Docker images
# ----------------------------------------------------------------------
# provenance-binaries (M-3): SLSA Level 3 provenance for every binary.
# The SLSA generic generator reusable workflow runs in a hermetic
# workflow run, producing multiple.intoto.jsonl from the base64 hash
# manifest and uploading it as a release asset.
# ----------------------------------------------------------------------
provenance-binaries:
name: SLSA provenance (binaries)
needs: [aggregate-checksums]
permissions:
actions: read
id-token: write
contents: write
uses: slsa-framework/slsa-github-generator/.github/workflows/generator_generic_slsa3.yml@v2.1.0
with:
base64-subjects: "${{ needs.aggregate-checksums.outputs.hashes }}"
upload-assets: true
provenance-name: multiple.intoto.jsonl
# ----------------------------------------------------------------------
# build-and-push-docker: push container images to GHCR with native
# SLSA L3 provenance (mode=max) and SBOM attestations emitted by
# docker/build-push-action@v6, plus a keyless Cosign signature on the
# image digest for identity-bound verification. The M-4 proxy-propagation
# build-args block is retained verbatim — M-3 only adds supply-chain
# steps; it never touches M-4 wiring.
# ----------------------------------------------------------------------
build-and-push-docker:
name: Build & Push Docker Images
runs-on: ubuntu-latest
permissions:
contents: write
packages: write
id-token: write # Cosign keyless OIDC identity token
steps:
- uses: actions/checkout@v4
@@ -93,20 +219,24 @@ jobs:
- name: Extract version from tag
id: version
run: echo "VERSION=${GITHUB_REF#refs/tags/}" >> $GITHUB_OUTPUT
run: echo "VERSION=${GITHUB_REF#refs/tags/}" >> "$GITHUB_OUTPUT"
- name: Set up Docker Buildx
uses: docker/setup-buildx-action@v3
- name: Install Cosign
uses: sigstore/cosign-installer@cad07c2e89fa2edd6e2d7bab4c1aa38e53f76003 # v4.1.1
- name: Build and push server image
id: server-push
uses: docker/build-push-action@v6
with:
context: .
file: ./Dockerfile
push: true
tags: |
${{ env.REGISTRY }}/shankar0123/certctl-server:${{ steps.version.outputs.VERSION }}
${{ env.REGISTRY }}/shankar0123/certctl-server:latest
${{ env.REGISTRY }}/${{ env.IMAGE_NAMESPACE }}/certctl-server:${{ steps.version.outputs.VERSION }}
${{ env.REGISTRY }}/${{ env.IMAGE_NAMESPACE }}/certctl-server:latest
# Proxy propagation (M-4, Issue #9) — forwards runner-level proxy
# secrets into the Docker build so self-hosted runners behind
# corporate proxies can reach public registries. GitHub-hosted
@@ -117,18 +247,31 @@ jobs:
HTTP_PROXY=${{ secrets.HTTP_PROXY }}
HTTPS_PROXY=${{ secrets.HTTPS_PROXY }}
NO_PROXY=${{ secrets.NO_PROXY }}
# Supply-chain hardening (M-3): emit native SLSA L3 provenance
# and SBOM attestations bound to the image manifest.
provenance: mode=max
sbom: true
cache-from: type=gha
cache-to: type=gha,mode=max
- name: Keyless-sign server image with Cosign
env:
DIGEST: ${{ steps.server-push.outputs.digest }}
IMAGE: ${{ env.REGISTRY }}/${{ env.IMAGE_NAMESPACE }}/certctl-server
run: |
set -euo pipefail
cosign sign --yes "${IMAGE}@${DIGEST}"
- name: Build and push agent image
id: agent-push
uses: docker/build-push-action@v6
with:
context: .
file: ./Dockerfile.agent
push: true
tags: |
${{ env.REGISTRY }}/shankar0123/certctl-agent:${{ steps.version.outputs.VERSION }}
${{ env.REGISTRY }}/shankar0123/certctl-agent:latest
${{ env.REGISTRY }}/${{ env.IMAGE_NAMESPACE }}/certctl-agent:${{ steps.version.outputs.VERSION }}
${{ env.REGISTRY }}/${{ env.IMAGE_NAMESPACE }}/certctl-agent:latest
# Proxy propagation (M-4, Issue #9) — see server-image step for
# rationale. Empty secrets resolve to empty build args, leaving
# the un-proxied code path byte-identical to the pre-fix tree.
@@ -136,14 +279,30 @@ jobs:
HTTP_PROXY=${{ secrets.HTTP_PROXY }}
HTTPS_PROXY=${{ secrets.HTTPS_PROXY }}
NO_PROXY=${{ secrets.NO_PROXY }}
# Supply-chain hardening (M-3): emit native SLSA L3 provenance
# and SBOM attestations bound to the image manifest.
provenance: mode=max
sbom: true
cache-from: type=gha
cache-to: type=gha,mode=max
# Create release notes with all artifacts
- name: Keyless-sign agent image with Cosign
env:
DIGEST: ${{ steps.agent-push.outputs.digest }}
IMAGE: ${{ env.REGISTRY }}/${{ env.IMAGE_NAMESPACE }}/certctl-agent
run: |
set -euo pipefail
cosign sign --yes "${IMAGE}@${DIGEST}"
# ----------------------------------------------------------------------
# create-release: stamp the release body. The actual asset uploads are
# handled by aggregate-checksums (binaries, SBOMs, sigs, certs,
# checksums.txt + signature) and the SLSA generator (multiple.intoto.jsonl).
# ----------------------------------------------------------------------
create-release:
name: Create Release Notes
runs-on: ubuntu-latest
needs: [build-binaries, build-and-push-docker]
needs: [build-binaries, aggregate-checksums, provenance-binaries, build-and-push-docker]
permissions:
contents: write
@@ -152,7 +311,7 @@ jobs:
- name: Extract version from tag
id: version
run: echo "VERSION=${GITHUB_REF#refs/tags/}" >> $GITHUB_OUTPUT
run: echo "VERSION=${GITHUB_REF#refs/tags/}" >> "$GITHUB_OUTPUT"
- name: Create release with notes
uses: softprops/action-gh-release@v2
@@ -214,6 +373,76 @@ jobs:
- **Linux x86_64**: `certctl-server-linux-amd64`
- **Linux ARM64**: `certctl-server-linux-arm64`
- **macOS x86_64**: `certctl-server-darwin-amd64`
- **macOS ARM64 (Apple Silicon)**: `certctl-server-darwin-arm64`
## CLI & MCP Server Binaries
The `certctl-cli` (REST API wrapper) and `certctl-mcp-server` (Model Context
Protocol bridge) binaries ship for all four platforms as well:
- `certctl-cli-{linux,darwin}-{amd64,arm64}`
- `certctl-mcp-server-{linux,darwin}-{amd64,arm64}`
## Verifying this release
Every binary, `checksums.txt`, and container image is signed with Cosign
keyless OIDC. Each binary ships with a SPDX-JSON SBOM. Binaries are covered
by SLSA Level 3 provenance; container images carry native SLSA L3 provenance
and SBOM attestations (docker/build-push-action `provenance: mode=max`,
`sbom: true`) in addition to a Cosign signature on the digest.
**1. Verify SHA-256 checksums:**
```bash
sha256sum -c checksums.txt
```
**2. Verify the Cosign signature on checksums.txt (keyless OIDC):**
```bash
cosign verify-blob \
--certificate checksums.txt.pem \
--signature checksums.txt.sig \
--certificate-identity-regexp '^https://github\.com/shankar0123/certctl/\.github/workflows/release\.yml@refs/tags/' \
--certificate-oidc-issuer 'https://token.actions.githubusercontent.com' \
checksums.txt
```
Replace `checksums.txt` with any individual binary name to verify that
artefact directly (each binary ships with its own `.sig` + `.pem` sidecar).
**3. Verify SLSA Level 3 provenance (binaries):**
```bash
slsa-verifier verify-artifact \
--provenance-path multiple.intoto.jsonl \
--source-uri github.com/shankar0123/certctl \
--source-tag ${{ steps.version.outputs.VERSION }} \
certctl-agent-linux-amd64
```
**4. Verify container image signature and attestations:**
```bash
IMAGE=ghcr.io/shankar0123/certctl-server:${{ steps.version.outputs.VERSION }}
cosign verify \
--certificate-identity-regexp '^https://github\.com/shankar0123/certctl/\.github/workflows/release\.yml@refs/tags/' \
--certificate-oidc-issuer 'https://token.actions.githubusercontent.com' \
"$IMAGE"
# SBOM attestation (SPDX-JSON) emitted by docker/build-push-action
cosign verify-attestation --type spdxjson \
--certificate-identity-regexp '^https://github\.com/shankar0123/certctl/' \
--certificate-oidc-issuer 'https://token.actions.githubusercontent.com' \
"$IMAGE"
# SLSA provenance attestation (mode=max)
cosign verify-attestation --type slsaprovenance \
--certificate-identity-regexp '^https://github\.com/shankar0123/certctl/' \
--certificate-oidc-issuer 'https://token.actions.githubusercontent.com' \
"$IMAGE"
```
## Helm Chart