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122 lines
2.9 KiB
Markdown
122 lines
2.9 KiB
Markdown
---
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name: Hetzner DNS Console
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title: Hetzner DNS Console
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layout: default
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jsId: HETZNER
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---
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# Hetzner DNS Console Provider
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## Configuration
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To use this provider, add an entry to `creds.json` with `TYPE` set to `HETZNER`
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along with a [Hetzner API Key](https://dns.hetzner.com/settings/api-token).
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Example:
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```json
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{
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"hetzner": {
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"TYPE": "HETZNER",
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"api_key": "your-api-key"
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}
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}
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```
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## Metadata
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This provider does not recognize any special metadata fields unique to Hetzner
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DNS Console.
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## Usage
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An example `dnsconfig.js` configuration:
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```js
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var REG_NONE = NewRegistrar("none");
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var DSP_HETZNER = NewDnsProvider("hetzner");
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D("example.tld", REG_NONE, DnsProvider(DSP_HETZNER),
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A("test", "1.2.3.4")
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);
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```
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## Activation
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Create a new API Key in the
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[Hetzner DNS Console](https://dns.hetzner.com/settings/api-token).
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## Caveats
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### SOA
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Hetzner DNS Console does not allow changing the SOA record via their API.
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There is an alternative method using an import of a full BIND file, but this
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approach does not play nice with incremental changes or ignored records.
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At this time you cannot update SOA records via DNSControl.
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### Rate Limiting
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Hetzner is rate limiting requests in multiple tiers: per Hour, per Minute and
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per Second.
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Depending on how many requests you are planning to perform, you can adjust the
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delay between requests in order to stay within your quota.
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The setting `optimize_for_rate_limit_quota` controls this behavior and accepts
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a case-insensitive value of
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- `Hour`
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- `Minute`
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- `Second`
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The default for `optimize_for_rate_limit_quota` is `Second`.
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Example: Your per minute quota is 60 requests and in your settings you
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specified `Minute`. DNSControl will perform at most one request per second.
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DNSControl will emit a warning in case it breaches the next quota.
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In your `creds.json` for all `HETZNER` provider entries:
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```json
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{
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"hetzner": {
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"TYPE": "HETZNER",
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"api_key": "your-api-key",
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"optimize_for_rate_limit_quota": "Minute"
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}
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}
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```
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Every response from the Hetzner DNS Console API includes your limits:
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```bash
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curl --silent --include \
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--header 'Auth-API-Token: ...' \
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https://dns.hetzner.com/api/v1/zones \
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| grep x-ratelimit-limit
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x-ratelimit-limit-second: 3
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x-ratelimit-limit-minute: 42
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x-ratelimit-limit-hour: 1337
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```
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Every DNSControl invocation starts from scratch in regard to rate-limiting.
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In case you are frequently invoking DNSControl, you will likely hit a limit for
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any first request.
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You can either use an out-of-bound delay (e.g. `$ sleep 1`), or specify
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`start_with_default_rate_limit` in the settings of the provider.
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With `start_with_default_rate_limit` DNSControl uses a quota equivalent to
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`x-ratelimit-limit-second: 1` until it could parse the actual quota from an
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API response.
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In your `creds.json` for all `HETZNER` provider entries:
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```json
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{
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"hetzner": {
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"TYPE": "HETZNER",
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"api_key": "your-api-key",
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"start_with_default_rate_limit": "true"
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}
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}
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```
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