Replaces `startVerifyUpstream` and behaves just like
`blocking.loading.strategy`.
We use the bootstrap resolver for any requests that arrive before the
upstreams are initialized.
Deprecated settings use pointers to allow knowing if they are actually
set in the user config.
They are also nested in a struct which ensures they aren't still used
since any old code would fail to compile, and easily make them
discoverable by `migration.Migrate`.
* Add maxErrorsPerFile blocking configuration
The default max errors per file of 5 is too small IMHO.
This commit makes this number user-configurable.
* squash: fix lint
* squash: docs
* squash: change type to int to allow -1
* squash: test that the `maxErrorsPerFile` is actually used
---------
Co-authored-by: ThinkChaos <ThinkChaos@users.noreply.github.com>
* refactor: make `config.Duration` a struct with `time.Duration` embed
Allows directly calling `time.Duration` methods.
* refactor(HostsFileResolver): don't copy individual config items
The idea is to make adding configuration options easier, and searching
for references straight forward.
* refactor: move config printing to struct and use a logger
Using a logger allows using multiple levels so the whole configuration
can be printed in trace/verbose mode, but only important parts are
shown by default.
* squash: rename `Cast` to `ToDuration`
* squash: revert `Duration` to a simple wrapper ("new type" pattern)
* squash: `Duration.IsZero` tests
* squash: refactor resolvers to rely on their config directly if possible
* squash: implement `IsEnabled` and `LogValues` for all resolvers
* refactor: use go-enum `--values` to simplify getting all log fields
* refactor: simplify `QType` unmarshaling
* squash: rename `ValueLogger` to `Configurable`
* squash: rename `UpstreamConfig` to `ParallelBestConfig`
* squash: rename `RewriteConfig` to `RewriterConfig`
* squash: config tests
* squash: resolver tests
* squash: add `ForEach` test and improve `Chain` ones
* squash: simplify implementing `config.Configurable`
* squash: minor changes for better coverage
* squash: more `UnmarshalYAML` -> `UnmarshalText`
* refactor: move `config.Upstream` into own file
* refactor: add `Resolver.Type` method
* squash: add `log` method to `typed` to use `Resolover.Type` as prefix
* squash: tweak startup config logging
* squash: add `LogResolverConfig` tests
* squash: make sure all options of type `Duration` use `%s`
Kwitsch