HarmonyHub

Overview

• This is a Visual API Orchestrator POC created for Rest API Calls.
• UI Generates YAML. Written in static HTML using WebComponents.
• Python-based CLI is used to run YAML generated from UI. It can sequence and execute API Calls.

Commands

• harmonyhub-cli init
  • harmonyhub-cli init --file workflow.yaml
• harmonyhub_cli run <<workflow.yaml>>
  • harmonyhub-cli run <<workflow.yaml>> --debug
  • harmonyhub-cli run <<workflow.yaml>> --toolsFile <<integration.yaml>> --debug
• harmonyhub-cli server
• harmonyhub-cli --help
• harmonyhub-cli --version

Operator Supported

• Simple comparisons (==, !=, >, <, >=, <=)
• Logical operations (and, or, not)
• Basic arithmetic operations (+, -, *, /, %)

Body Templating Engine

• Python Jija2

Output Parser

• JQ

System Defined Variables

• RestAPI
  • $today_datetime
  • $today_date
  • $today_time
  • $today_date_zero_time
  • $request_http_method
  • $request_url
  • $request_headers
  • $request_body
  • $response_http_status
  • $response_headers
  • $response_body
  • $random.randint(1000,9999)
  • $random.uniform(15.5, 80.5)
• Database
  • $response_body

Roadmap

• Kafka
• GraphQL
• Grpc

Demo

• Demo created here

  # https://pypi.org/project/harmonyhub-cli/
  pip install harmonyhub-cli/
  harmonyhub-cli serve
  

  # To run yaml generated standalone
  harmonyhub-cli <<file name.yaml>>
  

Credits

• Below are projects used as inspiration
  • Stepci
  • Apache Karavan