VGerris / doppler

Doppler is a revolutionary open-source software that allows you to automate tasks easily. Whether it’s a bunch of bash scripts or just starting your car remotely, you can automate it. You can build, run, reuse and share automations with anyone around the globe.

doppler

Doppler is a revolutionary open-source software that allows you to automate tasks easily. Whether it’s a bunch of bash scripts or just starting your car remotely, you can automate it. You can build, run, reuse and share automations with anyone around the globe.

On top of all of this life-simplifying project, we are striving to make an climate friendly software that is fast, easy and consumes as little resources as possible.

Build status

Simple install

Using snap: snap install dopplertask

Prerequisites

Install JDK 11 and gradle.

To run as a project: gradle clean build bootRun

Usage

Example

Add a task

Below is an example of a Dopplerfile:

{
  "name": "Test Task",
  "actions": [
    {
      "@type": "PrintAction",
      "message": "This is an example task."
    }
  ]
}

This file is used to add tasks to the system. You can do that by sending a request to the REST API:

curl -X POST http://localhost:8090/task -H "Content-Type: application/json" -d @add_task.json

Run a task

To run a task, send the JSON with the task id and parameters to the REST API:

{
  "taskName": "doppler-example",
  "parameters": {
  }
}

Example of the call:

curl -X POST http://localhost:8090/schedule/task -H "Content-Type: application/json" -d @run_task.json

Actions

PrintAction

Variables

• message: A message to be printed

SSHAction

Connects to a machine via SSH and executes a command

Variables

• hostname: hostname to connect to
• username
• password
• command: A command to execute once connected

SecureCopyAction

Variables

• hostname: hostname to connect to
• username
• password
• sourceFilename: location of the file to be transferred
• destinationFilename: location of where the file will be placed in the remote host

HttpAction

Variables

• url
• method: GET, POST, PUT, DELETE
• body
• headers: Key-value list of headers

MySQLAction

Executes a MySQL statement, like a SELECT statement.

Variables

• hostname: hostname to connect to
• port (Optional)
• username
• password
• database
• timezone
• command

TimedWait

Variables

• seconds: Amount of seconds to wait

LinkedTaskAction

Variables

• taskName: name of another task

BrowseWebAction

Starts a browser and executes a list of UI Actions.

Variables

• url: URL to naviate to.
• headless: If set to false, it will show the web browser window. Default is true.
• actionList: A list of actions to perform.

A UI Action contains the following fields:

• fieldName: Name of the field to control. Not required when using the actions WAIT OR ACCEPT_ALERT.
• findByType: Determines how to find the field. Possible values: ID, NAME, XPATH, CSS. Not required when using the actions WAIT OR ACCEPT_ALERT.
• action: Action to perform.

Action	Description
PRESS	Clicks on the requested field.
WRITE	Writes in the requested field. Useful if the field is an input text or textarea.
SELECT	Selects an item from the requested select list / dropdown based on name.
WAIT	Waits a certain amount of time. Amount of time is expressed in milliseconds.
ACCEPT_ALERT	Closes an alert / confirm box.

• value: Required only if used with the actions WRITE, SELECT and WAIT.

ReadFileAction

Reads a file from disk.

Variables

• filename: name of a file. Using ~ in the beginning of the filename will point to the home directory eg. ~/Downloads/testfile.txt

SetVariableAction

Sets or modifies a variable for the current execution.

Variables

• setVariableList: A list of key-value pairs of variables.

ExecuteCommandAction

Executes a command on the current machine.

Variables

• command: Command to execute.

Retry

All actions have retry mechanisms to allow you to retry an action.

Variables

• retries: Amount of retries.
• failOn: Any input will cause the current action to be marked as failure.
• continueOnFailure: Lets the action continue on failure, ignoring any retry.

Docker

To run the built docker image: docker run -p 8090:8090 -p 61617:61617 dopplertask/doppler-engine

To rebuild the docker image: docker build -t dopplertask/doppler-engine .

Authors

• Feras Wilson
• Jack Kourie

License

This project is licensed under the Apache License 2.0 - see the LICENSE file for details