HookHand
HookHand is a small web application which runs scripts from webhooks.
Features
- Runs scripts from a cloned Git repository or local directory.
- Runs script and passes parameters based on URL path.
- Webhook metadata can be passed through POSTed JSON or form data and is exposed to the script as environment variables.
- Script output is returned as plain text.
- HTTP status code set based on script exit code.
- Run scripts in the background with
?background=1
.
Usage
To use locally run:
git clone https://github.com/mikemcquaid/HookHand
cd HookHand
bundle install
SCRIPTS_GIT_REPO="..." foreman start
Alternatively, to deploy to Heroku click:
Example
- Run
SCRIPTS_GIT_REPO=https://github.com/mikemcquaid/HookHandTestScripts foreman start
to start the application and download theHookHandTestScripts
repository. - Access http://localhost:5000/test/a/b/c and see that it is running the test script and passing parameters
a b c
. - Deploy to a server and set up a webhook with
http://yourserver/test/a/b/c
as the Payload URL and see that the webhook variables are exported in the format e.g.HOOKHAND_REPOSITORY_CREATED_AT=1412962305
. If it's a private repository set the username and password with theSCRIPTS_GIT_USERNAME
andSCRIPTS_GIT_PASSWORD
environment variables (or setSCRIPTS_GIT_PASSWORD
to a personal access token).
Configuration Environment Variables
REQUEST_TIMEOUT
: the number of seconds a script is allowed to run for before being killed. Defaults to 25.SCRIPTS_DIR
: a path to the directory either storing the scripts or a destination to cloneSCRIPTS_GIT_REPO
into. Defaults to./scripts/
relative to the working directory.SCRIPTS_GIT_REPO
: the Git repository to clone for scripts.SCRIPTS_GIT_USERNAME
: the HTTP username for accessing a private Git repository.SCRIPTS_GIT_PASSWORD
: the HTTP password for accessing a private Git repository. Alternatively, a GitHub personal access token.WEB_CONCURRENCY
: the number of Unicorn (web server) processes to run.
Status
The above features are implemented. Will fix bugs that come along but want to avoid scope-creep.
Contact
License
HookHand is licensed under the MIT License. The full license text is available in LICENSE.txt.