add manual workflow for deploying db

.github/workflows/demo-db-deploy.yml

@@ -0,0 +1,66 @@
+name: Deploy Demo Database
+on:
+  workflow_dispatch:
+    inputs:
+      debug_enabled:
+        type: boolean
+        description: 'With build debug'
+        required: false
+        default:  false
+jobs:
+  demo_db_redeploy:
+    name: Redeploy Demo DB
+    runs-on: ubuntu-latest
+    container:
+      image: 'netdisco/netdisco:latest-backend'
+      options: '--user root --entrypoint /bin/ash'
+      volumes:
+        - '/home/runner/work:/github/workspace'
+    defaults:
+      run:
+        working-directory: /github/workspace/netdisco/netdisco
+    steps:
+    - name: Install base packages
+      run: apk add tmux bash curl sudo xz
+    - name: Install packages
+      run: apk add openssh-client gcc make musl-dev musl-obstack-dev python3 perl-dev unzip
+    - name: Install fake apt-get
+      run: echo 'if [ "$1" == "update" ]; then exec apk update; else exec apk add openssh-client xz; fi' > /usr/local/bin/apt-get && chmod +x /usr/local/bin/apt-get
+
+    - name: Check out latest code
+      uses: actions/checkout@v1
+
+    - name: Fix owner of checkout
+      run: chown -R netdisco:netdisco /github/workspace/netdisco/netdisco
+
+    - name: Reinitialise DB
+      env:
+        PGUSER:     ${{ secrets.DEMO_PGUSER }}
+        PGPASSWORD: ${{ secrets.DEMO_PGPASSWORD }}
+        PGHOST:     ${{ secrets.DEMO_PGHOST }}
+        PGDATABASE: ${{ secrets.DEMO_PGDATABASE }}
+      run: |
+        psql -c "DROP OWNED BY $PGUSER CASCADE"
+        psql -c "CREATE SCHEMA public"
+        curl -LO https://github.com/netdisco/netdisco2-demo/raw/master/netdisco2-demo-cumulus-clean.db.sql
+        psql -X -v ON_ERROR_STOP=0 -v ON_ERROR_ROLLBACK=on -d ${{ env.PGDATABASE }} -f netdisco2-demo-cumulus-clean.db.sql
+
+    - name: Update schema
+      env:
+        NETDISCO_HOME: /github/workspace/netdisco/netdisco
+        POETRY_CACHE_DIR: /home/netdisco/python/cache/pypoetry
+        NETDISCO_DB_USER: ${{ secrets.DEMO_PGUSER }}
+        NETDISCO_DB_PASS: ${{ secrets.DEMO_PGPASSWORD }}
+        NETDISCO_DB_HOST: ${{ secrets.DEMO_PGHOST }}
+        NETDISCO_DB_NAME: ${{ secrets.DEMO_PGDATABASE }}
+      run: |
+        /home/netdisco/bin/localenv /github/workspace/netdisco/netdisco/bin/netdisco-db-deploy
+        /home/netdisco/bin/localenv /github/workspace/netdisco/netdisco/bin/netdisco-do stats -D
+        /home/netdisco/bin/localenv /github/workspace/netdisco/netdisco/bin/netdisco-do loadmibs -D
+
+#    - name: Setup tmate session
+#      uses: mxschmitt/action-tmate@v3
+#      if: always() && github.event.inputs.debug_dbdeploy_enabled == 'true'
+#      with:
+#        sudo: true
+