add ssh command

ssh/Dockerfile

@@ -0,0 +1,24 @@
+FROM debian:stable-slim
+
+LABEL "maintainer"="maddox <[email protected]>"
+LABEL "repository"="https://github.com/maddox/actions"
+LABEL "version"="1.0.0"
+
+LABEL "com.github.actions.name"="SSH"
+LABEL "com.github.actions.description"="Run command via SSH"
+LABEL "com.github.actions.icon"="server"
+LABEL "com.github.actions.color"="orange"
+
+RUN apt-get update && apt-get install -y \
+  openssh-client \
+  rm -rf /var/lib/apt/lists/*
+
+RUN mkdir /github/home/.ssh
+RUN chmod 700 /github/home/.ssh
+RUN touch /github/home/.ssh/known_hosts
+RUN chmod 600 /github/home/.ssh/known_hosts
+
+ADD entrypoint.sh /entrypoint.sh
+
+
+ENTRYPOINT ["/entrypoint.sh"]

ssh/LICENSE

@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2018 GitHub, Inc. and contributors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

ssh/README.md

@@ -0,0 +1,44 @@
+# SSH for GitHub Actions
+
+Run a thing on your server.
+
+This action will run the provided argument as a command on your $HOST via SSH.
+
+## Usage
+
+To use the action simply add the following lines to your `.github/main.workflow`
+
+```
+action "Run command" {
+  uses = "maddox/actions/ssh@master"
+  args = "/opt/deploy/run"
+  secrets = [
+    "PRIVATE_KEY",
+    "PUBLIC_KEY",
+    "HOST",
+    "USER"
+  ]
+}
+```
+
+### Required Arguments
+
+The argument you will use is the command that will be ran on your sever via SSH.
+
+#### Examples
+
+* ```args = "/opt/deploy/run"```
+* ```args = "touch ~/.reload"```
+
+### Required Secrets
+
+You'll need to provide some secrets to use the action.
+
+* **PRIVATE_KEY**: Your SSH private key.
+* **PUBLIC_KEY**: Your SSH public key.
+* **HOST**: The host the action will SSH to to run the command. ie, `your.site.com`.
+* **USER**: The user the SSH command will auth as with the public key.
+
+## License
+
+The Dockerfile and associated scripts and documentation in this project are released under the [MIT License](LICENSE).

ssh/entrypoint.sh

@@ -0,0 +1,17 @@
+#!/bin/sh
+
+set -e
+
+SSH_PATH="/github/home/.ssh"
+
+echo "$PRIVATE_KEY" > "$SSH_PATH/deploy_key"
+echo "$PUBLIC_KEY" > "$SSH_PATH/deploy_key.pub"
+
+chmod 600 "$SSH_PATH/*"
+
+eval $(ssh-agent)
+ssh-add "$SSH_PATH/deploy_key"
+
+ssh-keyscan -t rsa $HOST >> "$SSH_PATH/known_hosts"
+
+ssh -A -tt $USER@$HOST "$*"