frostfs-node/cmd/frostfs-node/httpcomponent.go
Dmitrii Stepanov 825f65f79e [#873] node: Start metrics and pprof as soon as possible
Signed-off-by: Dmitrii Stepanov <d.stepanov@yadro.com>
2023-12-21 15:09:51 +00:00

72 lines
1.4 KiB
Go

package main
import (
"context"
"fmt"
"net/http"
"time"
"git.frostfs.info/TrueCloudLab/frostfs-node/internal/logs"
httputil "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/util/http"
"go.uber.org/zap"
)
type httpComponent struct {
address string
name string
handler http.Handler
shutdownDur time.Duration
enabled bool
cfg *cfg
preReload func(c *cfg)
}
func (cmp *httpComponent) init(c *cfg) {
if !cmp.enabled {
c.log.Info(fmt.Sprintf("%s is disabled", cmp.name))
return
}
// Init server with parameters
srv := httputil.New(
*httputil.NewHTTPSrvPrm(
cmp.address,
cmp.handler,
),
httputil.WithShutdownTimeout(
cmp.shutdownDur,
),
)
c.wg.Add(1)
go func() {
defer c.wg.Done()
c.log.Info(logs.FrostFSNodeStartListeningEndpoint,
zap.String("service", cmp.name),
zap.String("endpoint", cmp.address))
fatalOnErr(srv.Serve())
}()
c.closers = append(c.closers, closer{
cmp.name,
func() { stopAndLog(c, cmp.name, srv.Shutdown) },
})
}
func (cmp *httpComponent) reload(ctx context.Context) error {
if cmp.preReload != nil {
cmp.preReload(cmp.cfg)
}
// Shutdown server
closer := getCloser(cmp.cfg, cmp.name)
if closer != nil {
closer.fn()
}
// Cleanup
delCloser(cmp.cfg, cmp.name)
// Init server with new parameters
cmp.init(cmp.cfg)
// Start worker
if cmp.enabled {
startWorker(ctx, cmp.cfg, *getWorker(cmp.cfg, cmp.name))
}
return nil
}