frostfs-node/pkg/local_object_storage/blobstor/blobovniczatree/option.go

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package blobovniczatree
import (
"io/fs"
"time"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/blobovnicza"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/blobstor/compression"
"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/util/logger"
"go.uber.org/zap"
)
type cfg struct {
log *logger.Logger
perm fs.FileMode
readOnly bool
rootPath string
openedCacheSize int
blzShallowDepth uint64
blzShallowWidth uint64
compression *compression.Config
blzOpts []blobovnicza.Option
reportError func(string, error) // reportError is the function called when encountering disk errors.
metrics Metrics
waitBeforeDropDB time.Duration
blzInitWorkerCount int
blzMoveBatchSize int
// TTL for blobovnicza's cache
openedCacheTTL time.Duration
// Interval for deletion expired blobovnicza's
openedCacheExpInterval time.Duration
}
type Option func(*cfg)
const (
defaultPerm = 0o700
defaultOpenedCacheSize = 50
defaultOpenedCacheTTL = 0 // means expiring is off
defaultOpenedCacheInterval = 15 * time.Second
defaultBlzShallowDepth = 2
defaultBlzShallowWidth = 16
defaultWaitBeforeDropDB = 10 * time.Second
defaultBlzInitWorkerCount = 5
defaulBlzMoveBatchSize = 10000
)
func initConfig(c *cfg) {
*c = cfg{
log: &logger.Logger{Logger: zap.L()},
perm: defaultPerm,
openedCacheSize: defaultOpenedCacheSize,
openedCacheTTL: defaultOpenedCacheTTL,
openedCacheExpInterval: defaultOpenedCacheInterval,
blzShallowDepth: defaultBlzShallowDepth,
blzShallowWidth: defaultBlzShallowWidth,
reportError: func(string, error) {},
metrics: &noopMetrics{},
waitBeforeDropDB: defaultWaitBeforeDropDB,
blzInitWorkerCount: defaultBlzInitWorkerCount,
blzMoveBatchSize: defaulBlzMoveBatchSize,
}
}
func WithLogger(l *logger.Logger) Option {
return func(c *cfg) {
c.log = l
c.blzOpts = append(c.blzOpts, blobovnicza.WithLogger(l))
}
}
func WithPermissions(perm fs.FileMode) Option {
return func(c *cfg) {
c.perm = perm
}
}
func WithBlobovniczaShallowWidth(width uint64) Option {
return func(c *cfg) {
c.blzShallowWidth = width
}
}
func WithBlobovniczaShallowDepth(depth uint64) Option {
return func(c *cfg) {
c.blzShallowDepth = depth
}
}
func WithRootPath(p string) Option {
return func(c *cfg) {
c.rootPath = p
}
}
func WithBlobovniczaSize(sz uint64) Option {
return func(c *cfg) {
c.blzOpts = append(c.blzOpts, blobovnicza.WithFullSizeLimit(sz))
}
}
func WithOpenedCacheSize(sz int) Option {
return func(c *cfg) {
c.openedCacheSize = sz
}
}
func WithOpenedCacheTTL(ttl time.Duration) Option {
return func(c *cfg) {
c.openedCacheTTL = ttl
}
}
func WithOpenedCacheExpInterval(expInterval time.Duration) Option {
return func(c *cfg) {
c.openedCacheExpInterval = expInterval
}
}
func WithObjectSizeLimit(sz uint64) Option {
return func(c *cfg) {
c.blzOpts = append(c.blzOpts, blobovnicza.WithObjectSizeLimit(sz))
}
}
func WithMetrics(m Metrics) Option {
return func(c *cfg) {
c.metrics = m
}
}
func WithWaitBeforeDropDB(t time.Duration) Option {
return func(c *cfg) {
c.waitBeforeDropDB = t
}
}
func WithMoveBatchSize(v int) Option {
return func(c *cfg) {
c.blzMoveBatchSize = v
}
}
// WithInitWorkerCount sets maximum workers count to init blobovnicza tree.
//
// Negative or zero value means no limit.
func WithInitWorkerCount(v int) Option {
if v <= 0 {
v = -1
}
return func(c *cfg) {
c.blzInitWorkerCount = v
}
}