Python+GraphQL microservice to check ports availability in a host.

Install

git clone git@github.com:davidecaruso/wazowski.git
cd wazowski && cp .env.example .env && vi .env

Usage

With Docker

docker-compose up --build -d

With Python3

pip3 install --no-cache-dir -r requirements.txt
python3 main.py

Getting started

Many of the following GraphQL queries accept these parameters:

• start: is the starting port value of the range. Default value is 1024
• end: is the ending port value of the range. Default value is 65535
• host: is the host where the search will be performed. Default value is "127.0.0.1"

Check if a port is free

POST /graphql

query Query {
  check(port: 3000, host: "127.0.0.1")
}

200

{
  "data": {
    "check": true
  }
}

Get the list of free ports in a range

POST /graphql

query Query {
  list(start: 3000, end: 3010, host: "127.0.0.1")
}

200

{
  "data": {
    "list": [
      3000,
      3002,
      3010
    ]
  }
}

Get the next free port to a given one in a range

POST /graphql

query Query {
  next(port: 3007, start: 3000, end: 3010, host: "127.0.0.1")
}

200

{
  "data": {
    "next": 3008
  }
}

Get the previous free port to a given one in a range

POST /graphql

query Query {
  previous(port: 3007, start: 3000, end: 3010, host: "127.0.0.1")
}

200

{
  "data": {
    "previous": 3006
  }
}

Get a random free port in a range

POST /graphql

query Query {
  random(start: 3000, end: 4000, host: "127.0.0.1")
}

200

{
  "data": {
    "random": 3265
  }
}

Author

Davide Caruso

License

Licensed under MIT.