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service: don't block sigterm

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Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
This commit is contained in:
Valentin Rothberg
2020-01-16 11:58:50 +01:00
parent 61fbce710b
commit 279bf40ab1
1 changed files with 24 additions and 12 deletions
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36
pkg/api/server/server.go
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@ -36,6 +36,7 @@ import (
"os"
"os/signal"
"strings"
"syscall"
"time"
"github.com/containers/libpod/libpod"
@ -43,7 +44,7 @@ import (
"github.com/gorilla/mux"
"github.com/gorilla/schema"
"github.com/pkg/errors"
log "github.com/sirupsen/logrus"
"github.com/sirupsen/logrus"
)
type APIServer struct {
@ -67,9 +68,6 @@ func NewServer(runtime *libpod.Runtime) (*APIServer, error) {
return nil, errors.Errorf("Wrong number of file descriptors from systemd for socket activation (%d != 1)", len(listeners))
}
quit := make(chan os.Signal, 1)
signal.Notify(quit)
router := mux.NewRouter()
server := APIServer{
@ -88,7 +86,7 @@ func NewServer(runtime *libpod.Runtime) (*APIServer, error) {
}
server.Timer = time.AfterFunc(server.Duration, func() {
if err := server.Shutdown(); err != nil {
log.Errorf("unable to shutdown server: %q", err)
logrus.Errorf("unable to shutdown server: %q", err)
}
})
@ -106,7 +104,7 @@ func NewServer(runtime *libpod.Runtime) (*APIServer, error) {
router.NotFoundHandler = http.HandlerFunc(
func(w http.ResponseWriter, r *http.Request) {
// We can track user errors...
log.Infof("Failed Request: (%d:%s) for %s:'%s'", http.StatusNotFound, http.StatusText(http.StatusNotFound), r.Method, r.URL.String())
logrus.Infof("Failed Request: (%d:%s) for %s:'%s'", http.StatusNotFound, http.StatusText(http.StatusNotFound), r.Method, r.URL.String())
http.Error(w, http.StatusText(http.StatusNotFound), http.StatusNotFound)
},
)
@ -132,7 +130,7 @@ func NewServer(runtime *libpod.Runtime) (*APIServer, error) {
}
}
if log.IsLevelEnabled(log.DebugLevel) {
if logrus.IsLevelEnabled(logrus.DebugLevel) {
router.Walk(func(route *mux.Route, r *mux.Router, ancestors []*mux.Route) error { // nolint
path, err := route.GetPathTemplate()
if err != nil {
@ -142,7 +140,7 @@ func NewServer(runtime *libpod.Runtime) (*APIServer, error) {
if err != nil {
methods = []string{}
}
log.Debugf("Methods: %s Path: %s", strings.Join(methods, ", "), path)
logrus.Debugf("Methods: %s Path: %s", strings.Join(methods, ", "), path)
return nil
})
}
@ -154,9 +152,23 @@ func NewServer(runtime *libpod.Runtime) (*APIServer, error) {
func (s *APIServer) Serve() error {
defer s.CancelFunc()
err := s.Server.Serve(s.Listener)
if err != nil && err != http.ErrServerClosed {
return errors.Wrap(err, "Failed to start APIServer")
sigChan := make(chan os.Signal, 1)
signal.Notify(sigChan, syscall.SIGINT, syscall.SIGTERM)
errChan := make(chan error, 1)
go func() {
err := s.Server.Serve(s.Listener)
if err != nil && err != http.ErrServerClosed {
errChan <- errors.Wrap(err, "Failed to start APIServer")
}
errChan <- nil
}()
select {
case err := <-errChan:
return err
case sig := <-sigChan:
logrus.Info("APIServer terminated by signal %v", sig)
}
return nil
@ -174,7 +186,7 @@ func (s *APIServer) Shutdown() error {
go func() {
err := s.Server.Shutdown(s.Context)
if err != nil && err != context.Canceled {
log.Errorf("Failed to cleanly shutdown APIServer: %s", err.Error())
logrus.Errorf("Failed to cleanly shutdown APIServer: %s", err.Error())
}
}()