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
49 lines
1.2 KiB
Protocol Buffer
49 lines
1.2 KiB
Protocol Buffer
syntax = "proto3";
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package coredns.dns;
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option go_package = "pb";
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message DnsPacket {
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bytes msg = 1;
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}
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service DnsService {
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rpc Query (DnsPacket) returns (DnsPacket);
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rpc Watch (stream WatchRequest) returns (stream WatchResponse);
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}
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message WatchRequest {
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// request_union is a request to either create a new watcher or cancel an existing watcher.
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oneof request_union {
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WatchCreateRequest create_request = 1;
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WatchCancelRequest cancel_request = 2;
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}
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}
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message WatchCreateRequest {
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DnsPacket query = 1;
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}
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message WatchCancelRequest {
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// watch_id is the watcher id to cancel
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int64 watch_id = 1;
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}
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message WatchResponse {
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// watch_id is the ID of the watcher that corresponds to the response.
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int64 watch_id = 1;
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// created is set to true if the response is for a create watch request.
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// The client should record the watch_id and expect to receive DNS replies
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// from the same stream.
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// All replies sent to the created watcher will attach with the same watch_id.
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bool created = 2;
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// canceled is set to true if the response is for a cancel watch request.
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// No further events will be sent to the canceled watcher.
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bool canceled = 3;
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string qname = 4;
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string err = 5;
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}
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