From d6b3c7d2623d9a809abda367fb93dc48b0ba7d7c Mon Sep 17 00:00:00 2001
From: Mohammed Al Sahaf <msaa1990@gmail.com>
Date: Sat, 3 Sep 2022 03:37:10 +0300
Subject: ci: generate SBOM and sign artifacts using cosign (#4910)

* ci: sign artifacts using cosign

* include SBOM
---
 .github/workflows/release.yml | 10 +++++++++-
 .goreleaser.yml               | 11 ++++++++++-
 2 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 2a2292a..d67f875 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -99,7 +99,14 @@ jobs:
         key: ${{ runner.os }}-go${{ matrix.go }}-release-${{ hashFiles('**/go.sum') }}
         restore-keys: |
           ${{ runner.os }}-go${{ matrix.go }}-release
-
+    - name: Install Cosign
+      uses: sigstore/cosign-installer@main
+    - name: Cosign version
+      run: cosign version
+    - name: Install Syft
+      uses: anchore/sbom-action/download-syft@main
+    - name: Syft version
+      run: syft version
     # GoReleaser will take care of publishing those artifacts into the release
     - name: Run GoReleaser
       uses: goreleaser/goreleaser-action@v2
@@ -109,6 +116,7 @@ jobs:
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         TAG: ${{ steps.vars.outputs.version_tag }}
+        COSIGN_EXPERIMENTAL: 1
 
     # Only publish on non-special tags (e.g. non-beta)
     # We will continue to push to Gemfury for the foreseeable future, although
diff --git a/.goreleaser.yml b/.goreleaser.yml
index f0e2615..d4f786d 100644
--- a/.goreleaser.yml
+++ b/.goreleaser.yml
@@ -62,9 +62,18 @@ builds:
       goarm: "5"
   flags:
   - -trimpath
+  - -mod=readonly
   ldflags:
   - -s -w
-
+signs:
+  - cmd: cosign
+    signature: "${artifact}.sig"
+    args: ["sign-blob", "--oidc-issuer=https://token.actions.githubusercontent.com", "--output=${signature}", "${artifact}"]
+    artifacts: all
+sboms:
+  - artifacts: binary
+    cmd: syft
+    args: ["$artifact", "--file", "$sbom", "--output", "cyclonedx-json"]
 archives:
   - format_overrides:
       - goos: windows
-- 
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