fix for Solaris, and add Solaris to Github actions

.github/workflows/LetsEncrypt.yml

@@ -119,3 +119,29 @@ jobs:
         run: |
           cd ../acmetest && ./letest.sh
 
+  Solaris:
+    runs-on: macos-latest
+    needs: FreeBSD
+    env:
+      NGROK_TOKEN : ${{ secrets.NGROK_TOKEN }}
+      TEST_LOCAL: 1
+    steps:
+    - uses: actions/checkout@v2
+    - uses: vmactions/ngrok-tunnel@v0.0.1
+      id: ngrok
+      with:
+        protocol: http
+        port: 8080
+    - name: Set envs
+      run: echo "TestingDomain=${{steps.ngrok.outputs.server}}" >> $GITHUB_ENV
+    - name: Clone acmetest
+      run: cd .. && git clone https://github.com/acmesh-official/acmetest.git  && cp -r acme.sh acmetest/
+    - uses: vmactions/solaris-vm@v0.0.1
+      with:
+        envs: 'TEST_LOCAL TestingDomain'
+        nat: |
+          "8080": "80"
+        prepare: pkgutil -y -i socat curl
+        run: |
+          cd ../acmetest && ./letest.sh
+