Add docker-compose down execution

Author: matiasnu

README.md

@@ -20,6 +20,7 @@ unknown docker-images. It is entirely built from Dockerfile on top of
    container will have this prefix in name.
  * `docker_compose_filename` - Path to the docker-compose file in the repository.
  * `use_stack` - Use docker stack instead of docker-compose.
+ * `docker_compose_down` - Execute docker-compose-down.
 
 # Usage example
 
@@ -124,3 +125,28 @@ jobs:
         use_stack: 'true'
 ```
 
+# Down deploy (Docker-compose down)
+If you need to run a docker-compose down to do a clean rollback. Only one down of the
+services will be executed To do that just set `docker_compose_down` input to `"true"`:
+```
+name: Deploy
+on:
+  push:
+    branches: [ master ]
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+
+    steps:
+    - actions/chockout@v2
+
+    - uses: alex-ac/github-action-ssh-docker-compose@master
+      name: Docker-Stack Remote Deployment
+      with:
+        ssh_host: example.com
+        ssh_private_key: ${{ secrets.EXAMPLE_COM_SSH_PRIVATE_KEY }}
+        ssh_user: ${{ secrets.EXAMPLE_COM_SSH_USER }}
+        docker_compose_prefix: example.com
+        docker_compose_down: 'true'
+```

action.yml

@@ -23,6 +23,9 @@ inputs:
   use_stack:
     description: Use docker stack instead of docker compose ("true" or "false").
     default: 'false'
+  docker_compose_down:
+    description: Execute docker-compose-down ("true" or "false").
+    default: 'false'
 runs:
   using: docker
   image: Dockerfile
@@ -34,3 +37,4 @@ runs:
     DOCKER_COMPOSE_FILENAME: ${{ inputs.docker_compose_filename }}
     DOCKER_COMPOSE_PREFIX: ${{ inputs.docker_compose_prefix }}
     USE_DOCKER_STACK: ${{ inputs.use_stack }}
+    DOCKER_COMPOSE_DOWN: ${{ inputs.docker_compose_down }}

entrypoint.sh

@@ -24,6 +24,9 @@ remote_command="set -e ; log() { echo '>> [remote]' \$@ ; } ; cleanup() { log 'R
 if $USE_DOCKER_STACK ; then
   remote_command="set -e ; log() { echo '>> [remote]' \$@ ; } ; cleanup() { log 'Removing workspace...'; rm -rf \"\$HOME/workspace\" ; } ; log 'Creating workspace directory...' ; mkdir -p \"\$HOME/workspace/$DOCKER_COMPOSE_PREFIX\" ; trap cleanup EXIT ; log 'Unpacking workspace...' ; tar -C \"\$HOME/workspace/$DOCKER_COMPOSE_PREFIX\" -xjv ; log 'Launching docker stack deploy...' ; cd \"\$HOME/workspace/$DOCKER_COMPOSE_PREFIX\" ; docker stack deploy -c \"$DOCKER_COMPOSE_FILENAME\" --prune \"$DOCKER_COMPOSE_PREFIX\""
 fi
+if $DOCKER_COMPOSE_DOWN ; then
+  remote_command="set -e ; log() { echo '>> [remote]' \$@ ; } ; cleanup() { log 'Removing workspace...'; rm -rf \"\$HOME/workspace\" ; } ; log 'Creating workspace directory...' ; mkdir -p \"\$HOME/workspace\" ; trap cleanup EXIT ; log 'Unpacking workspace...' ; tar -C \"\$HOME/workspace\" -xjv ; log 'Launching docker-compose...' ; cd \"\$HOME/workspace\" ; docker-compose -f \"$DOCKER_COMPOSE_FILENAME\" -p \"$DOCKER_COMPOSE_PREFIX\" down"
+fi
 
 ssh-add <(echo "$SSH_PRIVATE_KEY")