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