99287d091c
* Add part 1 watch functionality. (squashed) * add funcs for service/endpoint fqdns * add endpoints watch * document exposed funcs * only send subset deltas * locking for watch map * tests and docs * add pod watch * remove debugs prints * feedback part 1 * add error reporting to proto * inform clients of server stop+errors * add grpc options param * use proper context * Review feedback: * Removed client (will move to another repo) * Use new log functions * Change watchChan to be for string not []string * Rework how k8s plugin stores watch tracking info to simplify * Normalize the qname on watch request * Add blank line back * Revert another spurious change * Fix tests * Add stop channel. Fix tests. Better docs for plugin interface. * fmt.Printf -> log.Warningf * Move from dnsserver to plugin/pkg/watch * gofmt * remove dead client watches * sate linter * linter omg
23 lines
721 B
Go
23 lines
721 B
Go
package watch
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// Chan is used to inform the server of a change. Whenever
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// a watched FQDN has a change in data, that FQDN should be
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// sent down this channel.
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type Chan chan string
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// Watchable is the interface watchable plugins should implement
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type Watchable interface {
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// Name returns the plugin name.
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Name() string
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// SetWatchChan is called when the watch channel is created.
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SetWatchChan(Chan)
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// Watch is called whenever a watch is created for a FQDN. Plugins
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// should send the FQDN down the watch channel when its data may have
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// changed. This is an exact match only.
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Watch(qname string) error
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// StopWatching is called whenever all watches are canceled for a FQDN.
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StopWatching(qname string)
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}
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