StakeSquid/dshackle
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

prometheus hotfix (#670)

Browse Source
This commit is contained in:
msizov
2025-06-02 19:44:44 +07:00
committed by GitHub
parent c8454a8e71
commit 0fd16181be
1 changed files with 32 additions and 30 deletions
Download Patch File Download Diff File Expand all files Collapse all files

62
src/main/kotlin/io/emeraldpay/dshackle/monitoring/MonitoringSetup.kt
View File

@@ -91,41 +91,43 @@ class MonitoringSetup(
if (monitoringConfig.prometheus.enabled) { if (monitoringConfig.prometheus.enabled) {
// use standard JVM server with a single thread blocking processing // use standard JVM server with a single thread blocking processing
// prometheus is a single thread periodic call, no reason to setup anything complex // prometheus is a single thread periodic call, no reason to setup anything complex
var started = false Thread {
while (true) { var started = false
if (isTcpPortAvailable(monitoringConfig.prometheus.host, monitoringConfig.prometheus.port)) { while (true) {
started = true if (isTcpPortAvailable(monitoringConfig.prometheus.host, monitoringConfig.prometheus.port)) {
try { started = true
log.info("Run Prometheus metrics on ${monitoringConfig.prometheus.host}:${monitoringConfig.prometheus.port}${monitoringConfig.prometheus.path}") try {
val server = HttpServer.create( log.info("Run Prometheus metrics on ${monitoringConfig.prometheus.host}:${monitoringConfig.prometheus.port}${monitoringConfig.prometheus.path}")
InetSocketAddress( val server = HttpServer.create(
monitoringConfig.prometheus.host, InetSocketAddress(
monitoringConfig.prometheus.port, monitoringConfig.prometheus.host,
), monitoringConfig.prometheus.port,
0, ),
) 0,
server.createContext(monitoringConfig.prometheus.path) { httpExchange -> )
val response = prometheusRegistry.scrape() server.createContext(monitoringConfig.prometheus.path) { httpExchange ->
httpExchange.responseHeaders.add("Content-Encoding", "gzip") val response = prometheusRegistry.scrape()
httpExchange.responseHeaders.add("Content-Type", "text/plain") httpExchange.responseHeaders.add("Content-Encoding", "gzip")
httpExchange.sendResponseHeaders(200, 0) httpExchange.responseHeaders.add("Content-Type", "text/plain")
httpExchange.responseBody.use { os -> httpExchange.sendResponseHeaders(200, 0)
GZIPOutputStream(os).use { gzos -> httpExchange.responseBody.use { os ->
gzos.write(response.toByteArray()) GZIPOutputStream(os).use { gzos ->
gzos.write(response.toByteArray())
}
} }
} }
Thread(server::start).start()
} catch (e: IOException) {
log.error("Failed to start Prometheus Server", e)
} }
Thread(server::start).start() } else {
} catch (e: IOException) { if (!started) {
log.error("Failed to start Prometheus Server", e) log.error("Can't start prometheus metrics on ${monitoringConfig.prometheus.host}:${monitoringConfig.prometheus.port}${monitoringConfig.prometheus.path}")
}
Thread.sleep(1000)
} }
} else {
if (!started) {
log.error("Can't start prometheus metrics on ${monitoringConfig.prometheus.host}:${monitoringConfig.prometheus.port}${monitoringConfig.prometheus.path}")
}
Thread.sleep(1000)
} }
} }.start()
} }
} }
} }