frostfs-s3-gw/api/handler/api.go
Denis Kirillov d2587b21af [#747] Reload policies on SIGHUP
Signed-off-by: Denis Kirillov <denis@nspcc.ru>
2022-11-18 13:14:25 +03:00

71 lines
1.8 KiB
Go

package handler
import (
"errors"
"time"
"github.com/nspcc-dev/neofs-s3-gw/api"
"github.com/nspcc-dev/neofs-s3-gw/api/layer"
"github.com/nspcc-dev/neofs-sdk-go/netmap"
"go.uber.org/zap"
)
type (
handler struct {
log *zap.Logger
obj layer.Client
notificator Notificator
cfg *Config
}
Notificator interface {
SendNotifications(topics map[string]string, p *SendNotificationParams) error
SendTestNotification(topic, bucketName, requestID, HostID string, now time.Time) error
}
// Config contains data which handler needs to keep.
Config struct {
Policy PlacementPolicy
DefaultMaxAge int
NotificatorEnabled bool
TLSEnabled bool
CopiesNumber uint32
}
PlacementPolicy interface {
Default() netmap.PlacementPolicy
Get(string) (netmap.PlacementPolicy, bool)
}
)
const (
// DefaultPolicy is a default policy of placing containers in NeoFS if it's not set at the request.
DefaultPolicy = "REP 3"
// DefaultCopiesNumber is a default number of object copies that is enough to consider put successful if it's not set in config.
DefaultCopiesNumber uint32 = 0
)
var _ api.Handler = (*handler)(nil)
// New creates new api.Handler using given logger and client.
func New(log *zap.Logger, obj layer.Client, notificator Notificator, cfg *Config) (api.Handler, error) {
switch {
case obj == nil:
return nil, errors.New("empty NeoFS Object Layer")
case log == nil:
return nil, errors.New("empty logger")
}
if !cfg.NotificatorEnabled {
log.Warn("notificator is disabled, s3 won't produce notification events")
} else if notificator == nil {
return nil, errors.New("empty notificator")
}
return &handler{
log: log,
obj: obj,
cfg: cfg,
notificator: notificator,
}, nil
}