From 1941ff909a343732f591732456277e80e38d0645 Mon Sep 17 00:00:00 2001
From: Jay Pipes <jaypipes@gmail.com>
Date: Fri, 21 Jul 2023 00:10:35 -0400
Subject: [PATCH] harden and refactor GH action for unit tests

Updates the GH Action workflow for unit testing with security best
practices, including reduce permissions, the step security action
hardener, and using SHA-specific Action releases.

Signed-off-by: Jay Pipes <jaypipes@gmail.com>
---
 .github/workflows/go.yml   | 131 -----------------------------
 .github/workflows/test.yml | 164 +++++++++++++++++++++++++++++++++++++
 2 files changed, 164 insertions(+), 131 deletions(-)
 delete mode 100644 .github/workflows/go.yml
 create mode 100644 .github/workflows/test.yml

diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
deleted file mode 100644
index 541e9275..00000000
--- a/.github/workflows/go.yml
+++ /dev/null
@@ -1,131 +0,0 @@
-name: CI tests
-
-on:
-  push:
-    branches: [ main ]
-  pull_request:
-    branches: [ main ]
-
-# see: https://docs.github.com/en/actions/using-github-hosted-runners/about-github-hosted-runners
-jobs:
-  # tier-1
-  # main development platform, gets features first and it's most tested
-  build-ubuntu-2204:
-    runs-on: ubuntu-22.04
-    strategy:
-      matrix:
-        go: [ '1.19', '1.20']
-    steps:
-    - uses: actions/checkout@v2
-
-    - name: set up go
-      uses: actions/setup-go@v2
-      with:
-        go-version: ${{ matrix.go }}
-
-    - name: run unit-tests
-      env:
-        GHW_TESTING_SKIP_BLOCK: "1"
-        GHW_TESTING_SKIP_GPU: "1"
-      run: go test -v ./...
-
-  build-ubuntu-2004:
-    runs-on: ubuntu-20.04
-    strategy:
-      matrix:
-        go: [ '1.18', '1.19']
-    steps:
-    - uses: actions/checkout@v2
-
-    - name: set up go
-      uses: actions/setup-go@v2
-      with:
-        go-version: ${{ matrix.go }}
-
-    - name: run unit-tests
-      env:
-        GHW_TESTING_SKIP_BLOCK: "1"
-        GHW_TESTING_SKIP_GPU: "1"
-      run: go test -v ./...
-
-  build-windows-2022:
-    runs-on: windows-2022
-    strategy:
-      matrix:
-        go: [ '1.19' ]
-    steps:
-    - uses: actions/checkout@v2
-
-    - name: set up go
-      uses: actions/setup-go@v2
-      with:
-        go-version: ${{ matrix.go }}
-
-    - name: run unit-tests
-      env:
-        GHW_TESTING_SKIP_BLOCK: "1"
-        GHW_TESTING_SKIP_GPU: "1"
-        GHW_TESTING_SKIP_CPU: "1"
-        GHW_TESTING_SKIP_MEMORY: "1"
-        GHW_TESTING_SKIP_HOST: "1"
-        GHW_TESTING_SKIP_NET: "1"
-        GHW_TESTING_SKIP_PCI: "1"
-        GHW_TESTING_SKIP_TOPOLOGY: "1"
-      run: go test -v ./...
-
-  build-windows-2019:
-    runs-on: windows-2019
-    strategy:
-      matrix:
-        go: [ '1.18' ]
-    steps:
-    - uses: actions/checkout@v2
-
-    - name: set up go
-      uses: actions/setup-go@v2
-      with:
-        go-version: ${{ matrix.go }}
-
-    - name: run unit-tests
-      env:
-        GHW_TESTING_SKIP_BLOCK: "1"
-        GHW_TESTING_SKIP_CPU: "1"
-        GHW_TESTING_SKIP_GPU: "1"
-        GHW_TESTING_SKIP_HOST: "1"
-        GHW_TESTING_SKIP_MEMORY: "1"
-        GHW_TESTING_SKIP_NET: "1"
-        GHW_TESTING_SKIP_PCI: "1"
-        GHW_TESTING_SKIP_TOPOLOGY: "1"
-      run: go test -v ./...
-
-  # tier-2
-  # best-effort support, limited to most recent platforms (OS+go)
-
-  # NOTE(jaypipes): We currently only support block information on MacOS, and
-  # the tests have block skipped because we cannot get meaningful information
-  # about the block devices in the Github Actions Runner virtual machines. So
-  # this is really just a test of whether the library builds on MacOS 12.
-  build-macos-12:
-    runs-on: macos-12
-    strategy:
-      matrix:
-        go: [ '1.18' ]
-    steps:
-    - uses: actions/checkout@v2
-
-    - name: set up go
-      uses: actions/setup-go@v2
-      with:
-        go-version: ${{ matrix.go }}
-
-    - name: run unit-tests
-      env:
-        GHW_TESTING_SKIP_BLOCK: "1"
-        GHW_TESTING_SKIP_CPU: "1"
-        GHW_TESTING_SKIP_GPU: "1"
-        GHW_TESTING_SKIP_HOST: "1"
-        GHW_TESTING_SKIP_MEMORY: "1"
-        GHW_TESTING_SKIP_NET: "1"
-        GHW_TESTING_SKIP_PCI: "1"
-        GHW_TESTING_SKIP_TOPOLOGY: "1"
-      run: go test -v ./...
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
new file mode 100644
index 00000000..977703ea
--- /dev/null
+++ b/.github/workflows/test.yml
@@ -0,0 +1,164 @@
+name: test
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+permissions:
+  contents: read
+
+# see: https://docs.github.com/en/actions/using-github-hosted-runners/about-github-hosted-runners
+jobs:
+  # tier-1
+  # main development platform, gets features first and it's most tested
+  ubuntu-latest:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        go: [ '1.19', '1.20']
+    steps:
+     - name: harden runner
+       uses: step-security/harden-runner@55d479fb1c5bcad5a4f9099a5d9f37c8857b2845 # v2.4.1
+       with:
+         egress-policy: block
+         disable-sudo: true
+         allowed-endpoints: >
+           github.com:443
+     - name: checkout code
+       uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9 # v3.5.3
+     - name: setup go
+       uses: actions/setup-go@fac708d6674e30b6ba41289acaab6d4b75aa0753 # v4.0.1
+       with:
+         go-version: ${{ matrix.go }}
+     - name: run tests
+       env:
+         GHW_TESTING_SKIP_BLOCK: "1"
+         GHW_TESTING_SKIP_GPU: "1"
+       run: go test -v ./...
+
+  ubuntu-2004:
+    runs-on: ubuntu-20.04
+    strategy:
+      matrix:
+        go: [ '1.18', '1.19']
+    steps:
+     - name: harden runner
+       uses: step-security/harden-runner@55d479fb1c5bcad5a4f9099a5d9f37c8857b2845 # v2.4.1
+       with:
+         egress-policy: block
+         disable-sudo: true
+         allowed-endpoints: >
+           github.com:443
+     - name: checkout code
+       uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9 # v3.5.3
+     - name: setup go
+       uses: actions/setup-go@fac708d6674e30b6ba41289acaab6d4b75aa0753 # v4.0.1
+       with:
+         go-version: ${{ matrix.go }}
+     - name: run tests
+       env:
+         GHW_TESTING_SKIP_BLOCK: "1"
+         GHW_TESTING_SKIP_GPU: "1"
+       run: go test -v ./...
+
+  windows-2022:
+    runs-on: windows-2022
+    strategy:
+      matrix:
+        go: [ '1.19' ]
+    steps:
+     - name: harden runner
+       uses: step-security/harden-runner@55d479fb1c5bcad5a4f9099a5d9f37c8857b2845 # v2.4.1
+       with:
+         egress-policy: block
+         disable-sudo: true
+         allowed-endpoints: >
+           github.com:443
+     - name: checkout code
+       uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9 # v3.5.3
+     - name: setup go
+       uses: actions/setup-go@fac708d6674e30b6ba41289acaab6d4b75aa0753 # v4.0.1
+       with:
+         go-version: ${{ matrix.go }}
+     - name: run tests
+       env:
+         GHW_TESTING_SKIP_BLOCK: "1"
+         GHW_TESTING_SKIP_GPU: "1"
+         GHW_TESTING_SKIP_CPU: "1"
+         GHW_TESTING_SKIP_MEMORY: "1"
+         GHW_TESTING_SKIP_HOST: "1"
+         GHW_TESTING_SKIP_NET: "1"
+         GHW_TESTING_SKIP_PCI: "1"
+         GHW_TESTING_SKIP_TOPOLOGY: "1"
+       run: go test -v ./...
+
+  windows-2019:
+    runs-on: windows-2019
+    strategy:
+      matrix:
+        go: [ '1.18' ]
+    steps:
+     - name: harden runner
+       uses: step-security/harden-runner@55d479fb1c5bcad5a4f9099a5d9f37c8857b2845 # v2.4.1
+       with:
+         egress-policy: block
+         disable-sudo: true
+         allowed-endpoints: >
+           github.com:443
+     - name: checkout code
+       uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9 # v3.5.3
+     - name: setup go
+       uses: actions/setup-go@fac708d6674e30b6ba41289acaab6d4b75aa0753 # v4.0.1
+       with:
+         go-version: ${{ matrix.go }}
+     - name: run tests
+       env:
+         GHW_TESTING_SKIP_BLOCK: "1"
+         GHW_TESTING_SKIP_GPU: "1"
+         GHW_TESTING_SKIP_CPU: "1"
+         GHW_TESTING_SKIP_MEMORY: "1"
+         GHW_TESTING_SKIP_HOST: "1"
+         GHW_TESTING_SKIP_NET: "1"
+         GHW_TESTING_SKIP_PCI: "1"
+         GHW_TESTING_SKIP_TOPOLOGY: "1"
+       run: go test -v ./...
+
+  # tier-2
+  # best-effort support, limited to most recent platforms (OS+go)
+
+  # NOTE(jaypipes): We currently only support block information on MacOS, and
+  # the tests have block skipped because we cannot get meaningful information
+  # about the block devices in the Github Actions Runner virtual machines. So
+  # this is really just a test of whether the library builds on MacOS 12.
+  macos-12:
+    runs-on: macos-12
+    strategy:
+      matrix:
+        go: [ '1.18' ]
+    steps:
+     - name: harden runner
+       uses: step-security/harden-runner@55d479fb1c5bcad5a4f9099a5d9f37c8857b2845 # v2.4.1
+       with:
+         egress-policy: block
+         disable-sudo: true
+         allowed-endpoints: >
+           github.com:443
+     - name: checkout code
+       uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9 # v3.5.3
+     - name: setup go
+       uses: actions/setup-go@fac708d6674e30b6ba41289acaab6d4b75aa0753 # v4.0.1
+       with:
+         go-version: ${{ matrix.go }}
+     - name: run tests
+       env:
+         GHW_TESTING_SKIP_BLOCK: "1"
+         GHW_TESTING_SKIP_CPU: "1"
+         GHW_TESTING_SKIP_GPU: "1"
+         GHW_TESTING_SKIP_HOST: "1"
+         GHW_TESTING_SKIP_MEMORY: "1"
+         GHW_TESTING_SKIP_NET: "1"
+         GHW_TESTING_SKIP_PCI: "1"
+         GHW_TESTING_SKIP_TOPOLOGY: "1"
+       run: go test -v ./...