FreeBSD Manual Pages
COREDNS-READY(7) CoreDNS Plugins COREDNS-READY(7) NAME ready - enables a readiness check HTTP endpoint. DESCRIPTION By enabling ready an HTTP endpoint on port 8181 will return 200 OK, when all plugins that are able to signal readiness have done so. If some are not ready yet the endpoint will return a 503 with the body containing the list of plugins that are not ready. Once a plugin has signaled it is ready it will not be queried again. Each Server Block that enables the ready plugin will have the plugins in that server block report readiness into the /ready endpoint that runs on the same port. This also means that the same plugin with dif- ferent configurations (in potentially different Server Blocks) will have their readiness reported as the union of their respective readi- nesses. SYNTAX ready [ADDRESS] ready optionally takes an address; the default is :8181. The path is fixed to /ready. The readiness endpoint returns a 200 response code and the word "OK" when this server is ready. It returns a 503 otherwise and the list of plugins that are not ready. PLUGINS Any plugin wanting to signal readiness will need to implement the ready.Readiness interface by implementing a method Ready() bool that returns true when the plugin is ready and false otherwise. EXAMPLES Let ready report readiness for both the . and example.org servers (as- suming the whois plugin also exports readiness): . { ready erratic } example.org { ready whoami } Run ready on a different port. . { ready localhost:8091 } CoreDNS March 2021 COREDNS-READY(7)
NAME | DESCRIPTION | SYNTAX | PLUGINS | EXAMPLES
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