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reproducible-builds.yml
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# Verify that Constellation builds are reproducible.
#
# The build-* jobs' matrix has two dimensions: a list of targets to build and
# a list of runners to build on. The produced binaries and OS images are
# expected to be bit-for-bit identical, regardless of the chosen build runner.
#
# The compare-* jobs only have the target dimension. They obtain the built
# targets from all runners and check that there are no diffs between them.
name: Reproducible Builds
on:
workflow_dispatch:
schedule:
- cron: "45 06 * * 1" # Every Monday at 6:45am
jobs:
build-binaries:
strategy:
fail-fast: false
matrix:
target:
- "cli_enterprise_darwin_amd64"
- "cli_enterprise_darwin_arm64"
- "cli_enterprise_linux_amd64"
- "cli_enterprise_linux_arm64"
- "cli_enterprise_windows_amd64"
runner: ["ubuntu-22.04", "ubuntu-20.04"]
env:
bazel_target: "//cli:${{ matrix.target }}"
binary: "${{ matrix.target }}-${{ matrix.runner }}"
runs-on: ${{ matrix.runner }}
steps:
- name: Checkout
uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4.1.4
with:
ref: ${{ !github.event.pull_request.head.repo.fork && github.head_ref || '' }}
- name: Setup bazel
uses: ./.github/actions/setup_bazel_nix
- name: Build
shell: bash
run: bazel build "${bazel_target}"
- name: Copy
shell: bash
run: cp "$(bazel cquery --output=files "${bazel_target}")" "${binary}"
- name: Collect hash (linux)
shell: bash
if: runner.os == 'Linux'
run: sha256sum "${binary}" | tee "${binary}.sha256"
- name: Collect hash (macOS)
shell: bash
if: runner.os == 'macOS'
run: shasum -a 256 "${binary}" | tee "${binary}.sha256"
- name: Upload binary artifact
uses: actions/upload-artifact@65462800fd760344b1a7b4382951275a0abb4808 # v4.3.3
with:
name: "binaries-${{ matrix.target }}-${{ matrix.runner }}"
path: "${{ env.binary }}"
- name: Upload hash artifact
uses: actions/upload-artifact@65462800fd760344b1a7b4382951275a0abb4808 # v4.3.3
with:
name: "sha256sums-${{ matrix.target }}-${{ matrix.runner }}"
path: "${{ env.binary }}.sha256"
build-osimages:
strategy:
fail-fast: false
matrix:
target:
- "azure_azure-sev-snp_stable"
- "aws_aws-nitro-tpm_console"
- "qemu_qemu-vtpm_debug"
- "gcp_gcp-sev-snp_nightly"
runner: ["ubuntu-22.04", "ubuntu-20.04"]
env:
bazel_target: "//image/system:${{ matrix.target }}"
binary: "osimage-${{ matrix.target }}-${{ matrix.runner }}"
runs-on: ${{ matrix.runner }}
steps:
- name: Checkout
uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4.1.4
with:
ref: ${{ !github.event.pull_request.head.repo.fork && github.head_ref || '' }}
- name: Setup bazel
uses: ./.github/actions/setup_bazel_nix
- name: Build
shell: bash
run: bazel build "${bazel_target}"
- name: Copy
shell: bash
run: cp "$(bazel cquery --output=files "${bazel_target}")/constellation.raw" "${binary}"
- name: Collect hash (linux)
shell: bash
if: runner.os == 'Linux'
run: sha256sum "${binary}" | tee "${binary}.sha256"
- name: Collect hash (macOS)
shell: bash
if: runner.os == 'macOS'
run: shasum -a 256 "${binary}" | tee "${binary}.sha256"
- name: Upload binary artifact
uses: actions/upload-artifact@65462800fd760344b1a7b4382951275a0abb4808 # v4.3.3
with:
name: "osimages-${{ matrix.target }}-${{ matrix.runner }}"
path: "${{ env.binary }}"
- name: Upload hash artifact
uses: actions/upload-artifact@65462800fd760344b1a7b4382951275a0abb4808 # v4.3.3
with:
name: "sha256sums-${{ matrix.target }}-${{ matrix.runner }}"
path: "${{ env.binary }}.sha256"
compare-binaries:
needs: build-binaries
strategy:
fail-fast: false
matrix:
target:
- "cli_enterprise_darwin_amd64"
- "cli_enterprise_darwin_arm64"
- "cli_enterprise_linux_amd64"
- "cli_enterprise_linux_arm64"
- "cli_enterprise_windows_amd64"
runs-on: ubuntu-22.04
steps:
- uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
with:
ref: ${{ !github.event.pull_request.head.repo.fork && github.head_ref || '' }}
- name: Download binaries
uses: actions/download-artifact@65a9edc5881444af0b9093a5e628f2fe47ea3b2e # v4.1.7
with:
pattern: "binaries-${{ matrix.target }}-*"
merge-multiple: true
- name: Hash
shell: bash
if: runner.os == 'Linux'
run: sha256sum cli_enterprise*
- name: Compare binaries
shell: bash
run: |
# shellcheck disable=SC2207,SC2116
list=($(echo "cli_enterprise*"))
diff -s --to-file="${list[0]}" "${list[@]:1}" | tee "${GITHUB_STEP_SUMMARY}"
compare-osimages:
needs: build-osimages
strategy:
fail-fast: false
matrix:
target:
- "azure_azure-sev-snp_stable"
- "aws_aws-nitro-tpm_console"
- "qemu_qemu-vtpm_debug"
- "gcp_gcp-sev-snp_nightly"
runs-on: ubuntu-22.04
steps:
- uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
with:
ref: ${{ !github.event.pull_request.head.repo.fork && github.head_ref || '' }}
- name: Download os images
uses: actions/download-artifact@65a9edc5881444af0b9093a5e628f2fe47ea3b2e # v4.1.7
with:
pattern: "osimages-${{ matrix.target }}-*"
merge-multiple: true
- name: Hash
shell: bash
if: runner.os == 'Linux'
run: sha256sum osimage-*
- name: Compare os images
shell: bash
run: |
# shellcheck disable=SC2207,SC2116
list=($(echo "osimage-*"))
diff -s --to-file="${list[0]}" "${list[@]:1}" | tee "${GITHUB_STEP_SUMMARY}"