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add gzip to prom endpoint

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This commit is contained in:
a10zn8
2023-07-18 15:33:07 +04:00
parent ff95105f33
commit 966fa9957d
1 changed files with 6 additions and 2 deletions
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8
src/main/kotlin/io/emeraldpay/dshackle/monitoring/MonitoringSetup.kt
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@@ -33,6 +33,7 @@ import org.springframework.beans.factory.annotation.Autowired
import org.springframework.stereotype.Service import org.springframework.stereotype.Service
import java.io.IOException import java.io.IOException
import java.net.InetSocketAddress import java.net.InetSocketAddress
import java.util.zip.GZIPOutputStream
import javax.annotation.PostConstruct import javax.annotation.PostConstruct
@Service @Service
@@ -83,9 +84,12 @@ class MonitoringSetup(
) )
server.createContext(monitoringConfig.prometheus.path) { httpExchange -> server.createContext(monitoringConfig.prometheus.path) { httpExchange ->
val response = prometheusRegistry.scrape() val response = prometheusRegistry.scrape()
httpExchange.sendResponseHeaders(200, response.toByteArray().size.toLong()) httpExchange.responseHeaders.add("Content-Encoding", "gzip")
httpExchange.sendResponseHeaders(200, 0)
httpExchange.responseBody.use { os -> httpExchange.responseBody.use { os ->
os.write(response.toByteArray()) GZIPOutputStream(os).use { gzos ->
gzos.write(response.toByteArray())
}
} }
} }
Thread(server::start).start() Thread(server::start).start()