df3746fa68
Implement HealthChecker on node app structure. Set health status to ONLINE after node boot. Set health status to OFFLINE on shutdown. Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
85 lines
1.4 KiB
Go
85 lines
1.4 KiB
Go
package main
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import (
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"context"
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"flag"
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"log"
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"github.com/nspcc-dev/neofs-node/pkg/services/private"
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"github.com/nspcc-dev/neofs-node/pkg/util/grace"
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"go.uber.org/zap"
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)
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func fatalOnErr(err error) {
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if err != nil {
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log.Fatal(err)
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}
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}
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func main() {
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configFile := flag.String("config", "", "path to config")
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flag.Parse()
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c := initCfg(*configFile)
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initApp(c)
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bootUp(c)
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wait(c)
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shutdown(c)
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}
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func initApp(c *cfg) {
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c.ctx, c.ctxCancel = context.WithCancel(grace.NewGracefulContext(nil))
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initGRPC(c)
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initNetmapService(c)
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initAccountingService(c)
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initContainerService(c)
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initSessionService(c)
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initObjectService(c)
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initProfiler(c)
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initPrivateService(c)
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fatalOnErr(c.cfgObject.cfgLocalStorage.localStorage.Open())
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fatalOnErr(c.cfgObject.cfgLocalStorage.localStorage.Init())
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listenMorphNotifications(c)
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}
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func bootUp(c *cfg) {
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serveProfiler(c)
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serveGRPC(c)
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bootstrapNode(c)
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startWorkers(c)
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c.setHealthStatus(private.HealthStatus_ONLINE)
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}
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func wait(c *cfg) {
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c.log.Info("application started")
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select {
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case <-c.ctx.Done(): // graceful shutdown
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case err := <-c.internalErr: // internal application error
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close(c.internalErr)
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c.ctxCancel()
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c.log.Warn("internal application error",
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zap.String("message", err.Error()))
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}
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}
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func shutdown(c *cfg) {
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c.cfgGRPC.server.GracefulStop()
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c.cfgPrivateService.server.GracefulStop()
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c.log.Info("gRPC server stopped")
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goOffline(c)
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c.wg.Wait()
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}
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