From 05e907702c9e18a7ecd040cc6a970aac313b1fd0 Mon Sep 17 00:00:00 2001
From: Roy Nilsson <me@roy.lv>
Date: Wed, 20 Dec 2023 10:44:38 +0100
Subject: [PATCH] Add basic GitHub Action

---
 Dockerfile | 10 ++++++++++
 README.md  | 29 +++++++++++++++++++++++++++++
 action.yml | 17 +++++++++++++++++
 deploy.sh  | 16 ++++++++++++++++
 4 files changed, 72 insertions(+)
 create mode 100644 Dockerfile
 create mode 100644 README.md
 create mode 100644 action.yml
 create mode 100755 deploy.sh

diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..219d67c
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,10 @@
+FROM alpine:3.19
+
+RUN apk add --no-cache --upgrade \
+    openssh \
+    rsync
+
+ADD deploy.sh /
+RUN chmod +x /deploy.sh
+
+ENTRYPOINT ["/deploy.sh"]
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..6892553
--- /dev/null
+++ b/README.md
@@ -0,0 +1,29 @@
+# rsync deploy action
+
+Example usage:
+
+```yaml
+name: 'Build and deploy'
+run-name: 'Build and Deploy'
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  deploy-blog:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout
+      - name: Deploy files
+        uses: https://git.roy.lv/actions/rsync-deploy-action # Full URL is Gitea Actions specific
+        env:
+          SSH_KEY: ${{ secrets.SSH_KEY }}
+          RSYNC_SOURCE: ./*
+          RSYNC_DESTINATION: /path/to/rsync/to/
+          RSYNC_USERHOST: user@example.host
+        with:
+          rsync-arguments: --archive --compress --delete --verbose
+```
diff --git a/action.yml b/action.yml
new file mode 100644
index 0000000..bbe941f
--- /dev/null
+++ b/action.yml
@@ -0,0 +1,17 @@
+name: Deploy to server with rsync
+description: An action to build and deploy to a server with rsync over SSH
+branding:
+  icon: upload-cloud
+  color: blue
+
+inputs:
+  rsync-arguments:
+    description: Rsync arguments
+    required: false
+    default: --archive --compress --delete --verbose
+
+runs:
+  using: docker
+  image: Dockerfile
+  args:
+    - ${{ inputs.rsync-arguments }}
diff --git a/deploy.sh b/deploy.sh
new file mode 100755
index 0000000..e162fef
--- /dev/null
+++ b/deploy.sh
@@ -0,0 +1,16 @@
+#!/bin/sh
+
+set -euo pipefail
+
+options="$1"
+SSH_HOME="${HOME}/.ssh"
+SSH_KEYPATH="${SSH_HOME}/deploy_key"
+
+mkdir -p "$SSH_HOME"
+echo "$SSH_KEY" > "$SSH_KEYPATH"
+chmod 600 "$SSH_KEYPATH"
+
+echo "Deploying..."
+rsync $options \
+  -e "ssh -i $SSH_KEYPATH -o StrictHostKeyChecking=no" \
+   "$RSYNC_SOURCE" "$RSYNC_USERHOST":"$RSYNC_DESTINATION"