Add github action for GNU/Linux

.github/workflows/linux.yml

@@ -0,0 +1,50 @@
+name: GNU/Linux Build
+
+# Controls when the action will run. Triggers the workflow on push or pull request
+# events but only for the master branch
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+# A workflow run is made up of one or more jobs that can run
+# sequentially or in parallel
+jobs:
+  # This workflow contains a single job called "build"
+  build:
+    runs-on:  ubuntu-latest
+
+    # Steps represent a sequence of tasks that will be executed as part of the job
+    steps:
+      # Checks-out your repository under $GITHUB_WORKSPACE, so your job
+      # can access it
+      - uses: actions/checkout@v2
+
+      - name: setup prerequisites (linux)
+        shell: bash
+        run: sudo apt install swig softhsm2 python3-all-dev python3-setuptools
+
+      - name: compile
+        shell: bash
+        run: PYTHON=python3 make
+
+      - name: test prep
+        shell: bash
+        run: |
+          pip3 install -r dev-requirements.txt
+          pip3 install .
+
+      - name: test prep softhsm
+        shell: bash
+        run: |
+          sudo chmod -R a+rx /etc/softhsm
+          sudo chmod a+r /etc/softhsm/softhsm2.conf
+          sudo chown -R $(whoami) /var/lib/softhsm
+          mkdir /var/lib/softhsm/tokens
+          softhsm2-util --init-token --slot 0 --label "A token" --pin 1234 --so-pin 123456
+
+      - name: test run
+        shell: bash
+        run: |
+          PYTHON=python3 make tests