Update workflow to verify fmt

To support this, I refactored the actions to use a composite action so
that all checks could run with the same setup.

Signed-off-by: Jonathon Anderson <janderson@ciq.com>

.github/actions/prepare/action.yml

@@ -0,0 +1,26 @@
+name: 'Prepare Warewulf'
+description: 'Prepare environment and Warewulf source code for testing and building'
+inputs:
+  go-version:
+    required: true
+
+runs:
+  using: "composite"
+  steps:
+    - name: Install gpgme (dependency)
+      run: sudo apt-get install libgpgme-dev
+      shell: bash
+
+    - name: Setup go ${{ inputs.go-version }}
+      uses: actions/setup-go@v3
+      with:
+        go-version: ${{ inputs.go-version }}
+        cache: true
+
+    - name: Configure Warewulf
+      run: make config
+      shell: bash
+
+    - name: Prepare vendor directory
+      run: make vendor
+      shell: bash

.github/workflows/check.yml

@@ -0,0 +1,87 @@
+---
+name: check
+
+on:
+  push:
+    branches:
+      - main
+      - development
+    paths-ignore:
+      - 'docs/**'
+  pull_request:
+    branches:
+      - main
+      - development
+    paths-ignore:
+      - 'docs/**'
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        go-version: ['1.18', '1.19', '1.20']
+    steps:
+      - name: Checkout Warewulf
+        uses: actions/checkout@v3
+      - uses: ./.github/actions/prepare
+        with:
+          go-version: ${{ matrix.go-version }}
+      - name: Check Warewulf code with golang linter (golang ${{ matrix.go-version }})
+        run: make lint
+
+  vet:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        go-version: ['1.18', '1.19', '1.20']
+    steps:
+      - name: Checkout Warewulf
+        uses: actions/checkout@v3
+      - uses: ./.github/actions/prepare
+        with:
+          go-version: ${{ matrix.go-version }}
+      - name: Vet Warewulf code (golang ${{ matrix.go-version }})
+        run: make vet
+
+  fmt:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        go-version: ['1.18', '1.19', '1.20']
+    steps:
+      - name: Checkout Warewulf
+        uses: actions/checkout@v3
+      - uses: ./.github/actions/prepare
+        with:
+          go-version: ${{ matrix.go-version }}
+      - name: Check Warewulf code for formatting (golang ${{ matrix.go-version }})
+        run: test "$(make -s fmt | wc -l)" == 0
+
+  testsuite:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        go-version: ['1.18', '1.19', '1.20']
+    steps:
+      - name: Checkout Warewulf
+        uses: actions/checkout@v3
+      - uses: ./.github/actions/prepare
+        with:
+          go-version: ${{ matrix.go-version }}
+      - name: Run the test suite (golang ${{ matrix.go-version }})
+        run: make test
+
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        go-version: ['1.18', '1.19', '1.20']
+    steps:
+      - name: Checkout Warewulf
+        uses: actions/checkout@v3
+      - uses: ./.github/actions/prepare
+        with:
+          go-version: ${{ matrix.go-version }}
+      - name: Build Warewulf (golang ${{ matrix.go-version }})
+        run: make all

.github/workflows/lint.yaml

@@ -1,39 +0,0 @@
-on:
-  push:
-    branches:
-      - main
-      - development
-  pull_request:
-    branches:
-      - main
-      - development
-    paths-ignore:
-      - 'docs/**'
-
-name: golangci-lint
-
-jobs:
-  lint:
-    name: Lint
-    runs-on: ubuntu-latest
-    strategy:
-      matrix: # Pin go version to the one(s) below.
-        go: [ '1.17' ]
-    steps:
-      - uses: actions/checkout@v3
-      - name: Create config
-        run: make config
-      - name: Setup go ${{ matrix.go }}
-        uses: actions/setup-go@v3
-        with:
-          go-version: ${{ matrix.go }}
-          cache: true
-
-      - name: Lint
-        uses: golangci/golangci-lint-action@v3
-        with:
-          version: v1.46.2
-          skip-build-cache: true
-          skip-pkg-cache: true
-          args: --build-tags "containers_image_openpgp containers_image_ostree" --timeout 5m --skip-dirs internal/pkg/staticfiles
-

.github/workflows/test.yml

@@ -1,44 +0,0 @@
----
-name: test
-
-on:
-  push:
-    branches:
-      - main
-      - development
-    paths-ignore:
-      - 'docs/**'
-  pull_request:
-    branches:
-      - main
-      - development
-    paths-ignore:
-      - 'docs/**'
-
-jobs:
-
-  build:
-    runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        go: [ '1.18', '1.19', '1.20' ]
-    steps:
-    - uses: actions/checkout@v3
-
-    - name: Install gpgme
-      run: sudo apt-get install libgpgme-dev
-
-    - name: Setup go ${{ matrix.go }}
-      uses: actions/setup-go@v3
-      with:
-        go-version: ${{ matrix.go }}
-        cache: true
-
-    - name: Build with go ${{ matrix.go }}
-      run: make all
-
-    - name: vet
-      run: make vet
-
-    - name: test
-      run: make test