Update failing after internet loss

[archef2000]

Describe the bug
I sometimes losse internet and after that the container never recovers from that and is trowing a authentication error.

To Reproduce
Steps to reproduce the behavior:

1. cut DSL
2. reconnect dsl
3. wait for router
4. see logs

Expected behavior
Don't try to update the IP if it is failing to get the ip

Server:

• OS: Ubuntu 22.04

[cdalvaro]

A healthcheck would be welcome to test the state of the container.

[alangrainger]

Here's a healthcheck you can use.

Add this script healthcheck.sh to the same folder as your docker-compose.yml:

#!/bin/sh

# Check to see if the script is running
if ! ps ax | grep [c]loudflare-ddns > /dev/null 2>&1; then
    echo "cloudflare-ddns process not found. Exiting."
    exit 1
fi

# Get the remote IP from Cloudflare debugging page
local_ip=$(wget -qO - https://www.cloudflare.com/cdn-cgi/trace | grep '^ip=' | cut -d= -f2)

# Get the IP address for one of our DDNS URLs
remote_ip=$(getent hosts YOUR.WEBSITE.HERE | awk '{ print $1 }')

# Compare the two IP addresses
if [[ "$remote_ip" = "$local_ip" ]]; then
    echo "DDNS address is correct: $local_ip"
else
    echo "The IP addresses do not match:"
    echo "Local IP: $local_ip"
    echo "Cloudflare IP: $remote_ip"
    exit 1
fi

Then update your docker-compose.yml to add the healthcheck:

    volumes:
      - ./healthcheck.sh:/healthcheck.sh
    healthcheck:
      test: /healthcheck.sh
      interval: 5m
      retries: 1
      start_period: 20s
      timeout: 10s