Create main.yml

.github/workflows/main.yml

@@ -0,0 +1,74 @@
+# Derived from an example provided by https://blog.benoitblanchon.fr/github-action-run-ssh-commands/
+#                                     https://github.blog/2015-06-16-read-only-deploy-keys/
+#
+#
+#
+#
+#
+name: Deploy
+on: [push]
+jobs:
+  deploy:
+    name: "Deploy to server"
+    runs-on: ubuntu-latest
+    steps:
+      - name: configure SSH
+        run: |
+          # These are very useful for debugging
+          echo "Repository = ${{ github.repository }}"
+          echo "github url = ${{ github.server_url }}"
+          echo "Owner =  ${{ github.repository_owner }}"
+          echo "Repository name = ${{ github.event.repository.name }}"
+          echo "Service name = ${{ vars.service_name }}"
+          echo "http port = ${{ vars.http_port }}"
+          echo "websocket port = ${{ vars.websocket_port }}"
+          echo "version = ${{ github.sha }}"
+          # On to the work at hand.
+          mkdir -p ~/.ssh/
+          echo "${{ secrets.SSH_PRIVATE_KEY }}" > ~/.ssh/production.key
+          chmod 600 ~/.ssh/production.key
+          cat >>~/.ssh/config <<END
+          Host production
+            HostName ${{ secrets.SSH_HOST }}
+            User ${{ secrets.SSH_USER }}
+            IdentityFile ~/.ssh/production.key
+            StrictHostKeyChecking no
+          END
+                         
+      - name: get source code and compile
+        run: |
+          echo "deleting the directory ${{ github.event.repository.name }} "
+          ssh production "rm -rf  ${{ github.event.repository.name }}"
+          echo "cloning  ${{ github.server_url }}/${{ github.repository }}"
+          ssh production "git clone ${{ github.server_url }}/${{ github.repository }}"
+          ssh production "cd  ${{ github.event.repository.name }};mvn clean compile package"
+        
+      - name: create systemd unit file
+        run: |
+           # without enable-linger, you must be logged in. So, we enable it.
+           ssh production "loginctl enable-linger"
+           ssh production "mkdir --parents .config/systemd/user"
+           ssh production "rm -f .config/systemd/user/${{ vars.service_name }}.service"
+           ssh production 'echo "[Unit]" >> .config/systemd/user/${{ vars.service_name }}.service'
+           ssh production 'echo "Description=${{ vars.service_name }}" >> .config/systemd/user/${{ vars.service_name }}.service'
+           ssh production 'echo "[Service]" >> .config/systemd/user/${{ vars.service_name }}.service'
+           ssh production 'echo "Type=simple" >> .config/systemd/user/${{ vars.service_name }}.service'
+           ssh production 'echo "Restart=always" >> .config/systemd/user/${{ vars.service_name }}.service'
+           ssh production 'echo "RestartSec=5" >> .config/systemd/user/${{ vars.service_name }}.service'
+           ssh production 'echo "Environment=VERSION=\"${{ github.sha }}\"" >>.config/systemd/user/${{ vars.service_name }}.service'
+           ssh production 'echo "Environment=WEBSOCKET_PORT=${{ vars.websocket_port }}" >>.config/systemd/user/${{ vars.service_name }}.service'
+           ssh production 'echo "Environment=HTTP_PORT=${{ vars.http_port }}" >>.config/systemd/user/${{ vars.service_name }}.service'
+           ssh production 'echo "ExecStart=mvn exec:java -Dexec.mainClass=uta.cse3310.App" >> .config/systemd/user/${{ vars.service_name }}.service'
+           ssh production 'echo "WorkingDirectory=$PWD/${{ github.event.repository.name }}" >> .config/systemd/user/${{ vars.service_name }}.service'
+           ssh production 'echo "[Install]" >>.config/systemd/user/${{ vars.service_name }}.service'
+           ssh production 'echo "WantedBy=default.target" >>.config/systemd/user/${{ vars.service_name }}.service'
+      - name: systemd reload
+        run: |
+            ssh production "systemctl --user daemon-reload"
+           
+      - name: restart daemon
+        run: |
+           ssh production "systemctl --user enable  ${{ vars.service_name }}"
+           ssh production "systemctl --user restart ${{ vars.service_name }}"
+           ssh production "systemctl --user status  ${{ vars.service_name }}"
+