Small scripts that lets you use Azure DNS as a Dynamic DNS service to make your home reachable via your own domain.
- Azure CLI
- dig (bind-tools)
The script is configured via environment variables.
| Variable | Default value | Description |
|---|---|---|
AZURE_CLIENT_ID |
Client Id of a service principal that is allowed to update DNS records | |
AZURE_CLIENT_SECRET |
Client secret of a service principal that is allowed to update DNS records | |
AZURE_TENANT_ID |
Tenant Id of a service principal that is allowed to update DNS records | |
RECORDS |
A list of DNS records to update. The format must be {RESOURCE_GROUP}/{ZONE}/{RECORD} e.g. myrg/mydomain/home mrrg/myotherdomain/foo |
|
INTERVALL |
5m |
The interval to check if the ip address has changed |
DEBUG |
false |
If set to true the script will log more information |
Just run the script.
./azure-dns-updater.shThe script will run until terminated and will check for ip address changes based on the interval.
The script uses the dig command to query the current ip address from opendns.
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