Add cosign signing on build

.github/build.yaml.gomplate

@@ -445,6 +445,8 @@
     {{{- else }}}
     needs: tests-squashfs-{{{ $flavor }}}
     {{{- end }}}
+    permissions:
+      id-token: write  # undocumented OIDC support.
     env:
       FLAVOR: {{{ $flavor }}}
       ARCH: {{{ $config.arch }}}
@@ -455,14 +457,28 @@
       {{{- if has $config "luet_install_from_cos_repo" }}}
       LUET_INSTALL_FROM_COS_REPO: {{{ $config.luet_install_from_cos_repo }}}
       {{{- end }}}
+      COSIGN_EXPERIMENTAL: 1 # use keyless signing
+      COSIGN_REPOSITORY: raccos/releases-{{{ $flavor }}}
+      PUBLISH_ARGS: "--plugin luet-cosign"
     steps:
       {{{ tmpl.Exec "prepare_build" }}}
       {{{ tmpl.Exec "prepare_worker" }}}
       {{{- if or $config.publishing_pipeline $config.push_cache }}}
-      - name: Login to Quay Registry
-        run: echo ${{ secrets.QUAY_PASSWORD }} | docker login -u ${{ secrets.QUAY_USERNAME }} --password-stdin quay.io
+      - name: Login to Docker Hub
+        uses: docker/login-action@v1
+        with:
+            username: ${{ secrets.DOCKER_USERNAME }}
+            password: ${{ secrets.DOCKER_PASSWORD }}
+      - name: Login to Quay.io
+        uses: docker/login-action@v1
+        with:
+            registry: quay.io
+            username: ${{ secrets.QUAY_USERNAME }}
+            password: ${{ secrets.QUAY_PASSWORD }}
       {{{- end }}}
       {{{ tmpl.Exec "make" "deps" }}}
+      - name: Install Cosign
+        uses: sigstore/cosign-installer@f700e6fbbab82f6897758a3af7a8dede4e308656 # v1.2.1
       - name: Download result for build
         uses: actions/download-artifact@v2
         with:

.github/workflows/build-master-blue-arm64.yaml

@@ -104,13 +104,18 @@ jobs:
     runs-on: ubuntu-latest
     needs:
     - build-blue-arm64
+    permissions:
+      id-token: write  # undocumented OIDC support.
     env:
       FLAVOR: blue
       ARCH: arm64
       FINAL_REPO: quay.io/costoolkit/releases-blue-arm64
       DOWNLOAD_METADATA: true
       DOWNLOAD_ALL: true
       DOWNLOAD_ONLY: true
+      COSIGN_EXPERIMENTAL: 1 # use keyless signing
+      COSIGN_REPOSITORY: raccos/releases-blue
+      PUBLISH_ARGS: "--plugin luet-cosign"
     steps:
       - run: |
           sudo rm -rf build || true
@@ -130,12 +135,23 @@ jobs:
       - uses: actions/checkout@v2
       - run: |
           git fetch --prune --unshallow
-      - name: Login to Quay Registry
-        run: echo ${{ secrets.QUAY_PASSWORD }} | docker login -u ${{ secrets.QUAY_USERNAME }} --password-stdin quay.io
+      - name: Login to Docker Hub
+        uses: docker/login-action@v1
+        with:
+            username: ${{ secrets.DOCKER_USERNAME }}
+            password: ${{ secrets.DOCKER_PASSWORD }}
+      - name: Login to Quay.io
+        uses: docker/login-action@v1
+        with:
+            registry: quay.io
+            username: ${{ secrets.QUAY_USERNAME }}
+            password: ${{ secrets.QUAY_PASSWORD }}
       - name: Run make deps
         run: |
           sudo -E make deps
           sudo luet install --no-spinner -y toolchain/yq
+      - name: Install Cosign
+        uses: sigstore/cosign-installer@f700e6fbbab82f6897758a3af7a8dede4e308656 # v1.2.1
       - name: Download result for build
         uses: actions/download-artifact@v2
         with:

.github/workflows/build-master-blue-x86_64.yaml

@@ -112,13 +112,18 @@ jobs:
     runs-on: ubuntu-latest
     needs:
     - build-blue-x86_64
+    permissions:
+      id-token: write  # undocumented OIDC support.
     env:
       FLAVOR: blue
       ARCH: x86_64
       FINAL_REPO: quay.io/costoolkit/releases-blue
       DOWNLOAD_METADATA: true
       DOWNLOAD_ALL: true
       DOWNLOAD_ONLY: true
+      COSIGN_EXPERIMENTAL: 1 # use keyless signing
+      COSIGN_REPOSITORY: raccos/releases-blue
+      PUBLISH_ARGS: "--plugin luet-cosign"
     steps:
       - name: Install Go
         uses: actions/setup-go@v2
@@ -131,12 +136,23 @@ jobs:
         run: |
           sudo rm -rf /usr/local/lib/android # will release about 10 GB if you don't need Android
           sudo rm -rf /usr/share/dotnet # will release about 20GB if you don't need .NET
-      - name: Login to Quay Registry
-        run: echo ${{ secrets.QUAY_PASSWORD }} | docker login -u ${{ secrets.QUAY_USERNAME }} --password-stdin quay.io
+      - name: Login to Docker Hub
+        uses: docker/login-action@v1
+        with:
+            username: ${{ secrets.DOCKER_USERNAME }}
+            password: ${{ secrets.DOCKER_PASSWORD }}
+      - name: Login to Quay.io
+        uses: docker/login-action@v1
+        with:
+            registry: quay.io
+            username: ${{ secrets.QUAY_USERNAME }}
+            password: ${{ secrets.QUAY_PASSWORD }}
       - name: Run make deps
         run: |
           sudo -E make deps
           sudo luet install --no-spinner -y toolchain/yq
+      - name: Install Cosign
+        uses: sigstore/cosign-installer@f700e6fbbab82f6897758a3af7a8dede4e308656 # v1.2.1
       - name: Download result for build
         uses: actions/download-artifact@v2
         with:

.github/workflows/build-master-green-arm64.yaml

@@ -403,13 +403,18 @@ jobs:
   publish-green:
     runs-on: ubuntu-latest
     needs: tests-squashfs-green
+    permissions:
+      id-token: write  # undocumented OIDC support.
     env:
       FLAVOR: green
       ARCH: arm64
       FINAL_REPO: quay.io/costoolkit/releases-green-arm64
       DOWNLOAD_METADATA: true
       DOWNLOAD_ALL: true
       DOWNLOAD_ONLY: true
+      COSIGN_EXPERIMENTAL: 1 # use keyless signing
+      COSIGN_REPOSITORY: raccos/releases-green
+      PUBLISH_ARGS: "--plugin luet-cosign"
     steps:
       - run: |
           sudo rm -rf build || true
@@ -429,12 +434,23 @@ jobs:
       - uses: actions/checkout@v2
       - run: |
           git fetch --prune --unshallow
-      - name: Login to Quay Registry
-        run: echo ${{ secrets.QUAY_PASSWORD }} | docker login -u ${{ secrets.QUAY_USERNAME }} --password-stdin quay.io
+      - name: Login to Docker Hub
+        uses: docker/login-action@v1
+        with:
+            username: ${{ secrets.DOCKER_USERNAME }}
+            password: ${{ secrets.DOCKER_PASSWORD }}
+      - name: Login to Quay.io
+        uses: docker/login-action@v1
+        with:
+            registry: quay.io
+            username: ${{ secrets.QUAY_USERNAME }}
+            password: ${{ secrets.QUAY_PASSWORD }}
       - name: Run make deps
         run: |
           sudo -E make deps
           sudo luet install --no-spinner -y toolchain/yq
+      - name: Install Cosign
+        uses: sigstore/cosign-installer@f700e6fbbab82f6897758a3af7a8dede4e308656 # v1.2.1
       - name: Download result for build
         uses: actions/download-artifact@v2
         with:

.github/workflows/build-master-green-x86_64.yaml

@@ -445,13 +445,18 @@ jobs:
   publish-green:
     runs-on: ubuntu-latest
     needs: tests-squashfs-green
+    permissions:
+      id-token: write  # undocumented OIDC support.
     env:
       FLAVOR: green
       ARCH: x86_64
       FINAL_REPO: quay.io/costoolkit/releases-green
       DOWNLOAD_METADATA: true
       DOWNLOAD_ALL: true
       DOWNLOAD_ONLY: true
+      COSIGN_EXPERIMENTAL: 1 # use keyless signing
+      COSIGN_REPOSITORY: raccos/releases-green
+      PUBLISH_ARGS: "--plugin luet-cosign"
     steps:
       - name: Install Go
         uses: actions/setup-go@v2
@@ -464,12 +469,23 @@ jobs:
         run: |
           sudo rm -rf /usr/local/lib/android # will release about 10 GB if you don't need Android
           sudo rm -rf /usr/share/dotnet # will release about 20GB if you don't need .NET
-      - name: Login to Quay Registry
-        run: echo ${{ secrets.QUAY_PASSWORD }} | docker login -u ${{ secrets.QUAY_USERNAME }} --password-stdin quay.io
+      - name: Login to Docker Hub
+        uses: docker/login-action@v1
+        with:
+            username: ${{ secrets.DOCKER_USERNAME }}
+            password: ${{ secrets.DOCKER_PASSWORD }}
+      - name: Login to Quay.io
+        uses: docker/login-action@v1
+        with:
+            registry: quay.io
+            username: ${{ secrets.QUAY_USERNAME }}
+            password: ${{ secrets.QUAY_PASSWORD }}
       - name: Run make deps
         run: |
           sudo -E make deps
           sudo luet install --no-spinner -y toolchain/yq
+      - name: Install Cosign
+        uses: sigstore/cosign-installer@f700e6fbbab82f6897758a3af7a8dede4e308656 # v1.2.1
       - name: Download result for build
         uses: actions/download-artifact@v2
         with:

.github/workflows/build-master-orange-arm64.yaml

@@ -106,13 +106,18 @@ jobs:
     runs-on: ubuntu-latest
     needs:
     - build-orange-arm64
+    permissions:
+      id-token: write  # undocumented OIDC support.
     env:
       FLAVOR: orange
       ARCH: arm64
       FINAL_REPO: quay.io/costoolkit/releases-orange-arm64
       DOWNLOAD_METADATA: true
       DOWNLOAD_ALL: true
       DOWNLOAD_ONLY: true
+      COSIGN_EXPERIMENTAL: 1 # use keyless signing
+      COSIGN_REPOSITORY: raccos/releases-orange
+      PUBLISH_ARGS: "--plugin luet-cosign"
     steps:
       - run: |
           sudo rm -rf build || true
@@ -132,12 +137,23 @@ jobs:
       - uses: actions/checkout@v2
       - run: |
           git fetch --prune --unshallow
-      - name: Login to Quay Registry
-        run: echo ${{ secrets.QUAY_PASSWORD }} | docker login -u ${{ secrets.QUAY_USERNAME }} --password-stdin quay.io
+      - name: Login to Docker Hub
+        uses: docker/login-action@v1
+        with:
+            username: ${{ secrets.DOCKER_USERNAME }}
+            password: ${{ secrets.DOCKER_PASSWORD }}
+      - name: Login to Quay.io
+        uses: docker/login-action@v1
+        with:
+            registry: quay.io
+            username: ${{ secrets.QUAY_USERNAME }}
+            password: ${{ secrets.QUAY_PASSWORD }}
       - name: Run make deps
         run: |
           sudo -E make deps
           sudo luet install --no-spinner -y toolchain/yq
+      - name: Install Cosign
+        uses: sigstore/cosign-installer@f700e6fbbab82f6897758a3af7a8dede4e308656 # v1.2.1
       - name: Download result for build
         uses: actions/download-artifact@v2
         with:

.github/workflows/build-master-orange-x86_64.yaml

@@ -112,13 +112,18 @@ jobs:
     runs-on: ubuntu-latest
     needs:
     - build-orange-x86_64
+    permissions:
+      id-token: write  # undocumented OIDC support.
     env:
       FLAVOR: orange
       ARCH: x86_64
       FINAL_REPO: quay.io/costoolkit/releases-orange
       DOWNLOAD_METADATA: true
       DOWNLOAD_ALL: true
       DOWNLOAD_ONLY: true
+      COSIGN_EXPERIMENTAL: 1 # use keyless signing
+      COSIGN_REPOSITORY: raccos/releases-orange
+      PUBLISH_ARGS: "--plugin luet-cosign"
     steps:
       - name: Install Go
         uses: actions/setup-go@v2
@@ -131,12 +136,23 @@ jobs:
         run: |
           sudo rm -rf /usr/local/lib/android # will release about 10 GB if you don't need Android
           sudo rm -rf /usr/share/dotnet # will release about 20GB if you don't need .NET
-      - name: Login to Quay Registry
-        run: echo ${{ secrets.QUAY_PASSWORD }} | docker login -u ${{ secrets.QUAY_USERNAME }} --password-stdin quay.io
+      - name: Login to Docker Hub
+        uses: docker/login-action@v1
+        with:
+            username: ${{ secrets.DOCKER_USERNAME }}
+            password: ${{ secrets.DOCKER_PASSWORD }}
+      - name: Login to Quay.io
+        uses: docker/login-action@v1
+        with:
+            registry: quay.io
+            username: ${{ secrets.QUAY_USERNAME }}
+            password: ${{ secrets.QUAY_PASSWORD }}
       - name: Run make deps
         run: |
           sudo -E make deps
           sudo luet install --no-spinner -y toolchain/yq
+      - name: Install Cosign
+        uses: sigstore/cosign-installer@f700e6fbbab82f6897758a3af7a8dede4e308656 # v1.2.1
       - name: Download result for build
         uses: actions/download-artifact@v2
         with:

.github/workflows/build-releases-blue-arm64.yaml

@@ -104,13 +104,18 @@ jobs:
     runs-on: ubuntu-latest
     needs:
     - build-blue-arm64
+    permissions:
+      id-token: write  # undocumented OIDC support.
     env:
       FLAVOR: blue
       ARCH: arm64
       FINAL_REPO: quay.io/costoolkit/releases-blue-arm64
       DOWNLOAD_METADATA: true
       DOWNLOAD_ALL: true
       DOWNLOAD_ONLY: true
+      COSIGN_EXPERIMENTAL: 1 # use keyless signing
+      COSIGN_REPOSITORY: raccos/releases-blue
+      PUBLISH_ARGS: "--plugin luet-cosign"
     steps:
       - run: |
           sudo rm -rf build || true
@@ -130,12 +135,23 @@ jobs:
       - uses: actions/checkout@v2
       - run: |
           git fetch --prune --unshallow
-      - name: Login to Quay Registry
-        run: echo ${{ secrets.QUAY_PASSWORD }} | docker login -u ${{ secrets.QUAY_USERNAME }} --password-stdin quay.io
+      - name: Login to Docker Hub
+        uses: docker/login-action@v1
+        with:
+            username: ${{ secrets.DOCKER_USERNAME }}
+            password: ${{ secrets.DOCKER_PASSWORD }}
+      - name: Login to Quay.io
+        uses: docker/login-action@v1
+        with:
+            registry: quay.io
+            username: ${{ secrets.QUAY_USERNAME }}
+            password: ${{ secrets.QUAY_PASSWORD }}
       - name: Run make deps
         run: |
           sudo -E make deps
           sudo luet install --no-spinner -y toolchain/yq
+      - name: Install Cosign
+        uses: sigstore/cosign-installer@f700e6fbbab82f6897758a3af7a8dede4e308656 # v1.2.1
       - name: Download result for build
         uses: actions/download-artifact@v2
         with:

.github/workflows/build-releases-blue-x86_64.yaml

@@ -112,13 +112,18 @@ jobs:
     runs-on: ubuntu-latest
     needs:
     - build-blue-x86_64
+    permissions:
+      id-token: write  # undocumented OIDC support.
     env:
       FLAVOR: blue
       ARCH: x86_64
       FINAL_REPO: quay.io/costoolkit/releases-blue
       DOWNLOAD_METADATA: true
       DOWNLOAD_ALL: true
       DOWNLOAD_ONLY: true
+      COSIGN_EXPERIMENTAL: 1 # use keyless signing
+      COSIGN_REPOSITORY: raccos/releases-blue
+      PUBLISH_ARGS: "--plugin luet-cosign"
     steps:
       - name: Install Go
         uses: actions/setup-go@v2
@@ -131,12 +136,23 @@ jobs:
         run: |
           sudo rm -rf /usr/local/lib/android # will release about 10 GB if you don't need Android
           sudo rm -rf /usr/share/dotnet # will release about 20GB if you don't need .NET
-      - name: Login to Quay Registry
-        run: echo ${{ secrets.QUAY_PASSWORD }} | docker login -u ${{ secrets.QUAY_USERNAME }} --password-stdin quay.io
+      - name: Login to Docker Hub
+        uses: docker/login-action@v1
+        with:
+            username: ${{ secrets.DOCKER_USERNAME }}
+            password: ${{ secrets.DOCKER_PASSWORD }}
+      - name: Login to Quay.io
+        uses: docker/login-action@v1
+        with:
+            registry: quay.io
+            username: ${{ secrets.QUAY_USERNAME }}
+            password: ${{ secrets.QUAY_PASSWORD }}
       - name: Run make deps
         run: |
           sudo -E make deps
           sudo luet install --no-spinner -y toolchain/yq
+      - name: Install Cosign
+        uses: sigstore/cosign-installer@f700e6fbbab82f6897758a3af7a8dede4e308656 # v1.2.1
       - name: Download result for build
         uses: actions/download-artifact@v2
         with: