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Check URLs and manage the respective records in DynDNS.

Project Description

Check URLs and manage the respective records in DynDNS.

Description

ddcheck accepts a list of healthckeck URLs, resolve them to IPs and makes HTTP requests directly to the IPs. When given IP is recognized as down, it will remove the record from DynDNS

Features

  • IPv4 and IPv6 support (A and AAAA records in DNS)
  • Traversing over CNAMEs to target A/AAAA records
  • IP is marked as failed when it either timeouts (configurable in seconds) or returns defined HTTP code (for example 500, by default turned off)
  • Dry run mode: Will not change the DynDNS recods. Outputs only curl commands instead.
  • Will not delete IPs from DynDNS, when all the IPs in the dns record fail.

Installation

pip install 'git+https://github.com/whiskybar/ddcheck.git#egg=ddcheck'

Usage

CLI

DynDNS credetials can be defined either by env variables, or as parameters.

# ddcheck --help

usage: ddcheck [-h] [-d] [-e ERROR_CODES] [-t TIMEOUT] [-D]
               [--dynect-customer DYNECT_CUSTOMER] [--dynect-user DYNECT_USER]
               [--dynect-password DYNECT_PASSWORD]
               URL [URL ...]

Run a ddcheck.

positional arguments:
  URL                   URL to check

optional arguments:
  -h, --help            show this help message and exit
  -d, --debug           Debug logging on
  -e ERROR_CODES, --error-codes ERROR_CODES
                        HTTP codes considered as non-OK
  -t TIMEOUT, --timeout TIMEOUT
                        URL timeout
  -D, --dry-run         Do not really update the dyndns. Just print records to
                        delete.
  --dynect-customer DYNECT_CUSTOMER
                        Customer name in DynEct (defaults to
                        DYNECT_CUSTOMER_NAME env variable)
  --dynect-user DYNECT_USER
                        Username in DynEct (defaults to DYNECT_USER_NAME env
                        variable)
  --dynect-password DYNECT_PASSWORD
                        Password in DynEct (defaults to DYNECT_PASSWORD env
                        variable)

Example

export DYNECT_PASSWORD=aaa
export DYNECT_USER_NAME=bbb
export DYNECT_CUSTOMER_NAME=ccc
ddcheck -e 500 --debug --dry-run http://root.example1.com/health/ http://cname.example2.com/check/

Python

Example

Release History

Release History

This version
History Node

0.0.1

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File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
ddcheck-0.0.1.tar.gz (6.0 kB) Copy SHA256 Checksum SHA256 Source Jan 21, 2014

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