[#804] ape: Implement boltdb storage for local overrides

Signed-off-by: Airat Arifullin <a.arifullin@yadro.com>

pkg/ape/chainbase/option.go

@@ -0,0 +1,67 @@
+package chainbase
+
+import (
+	"io/fs"
+	"os"
+	"time"
+
+	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/util/logger"
+	"go.etcd.io/bbolt"
+	"go.uber.org/zap"
+)
+
+type Option func(*cfg)
+
+type cfg struct {
+	path          string
+	perm          fs.FileMode
+	noSync        bool
+	maxBatchDelay time.Duration
+	maxBatchSize  int
+	log           *logger.Logger
+}
+
+func defaultCfg() *cfg {
+	return &cfg{
+		perm:          os.ModePerm,
+		maxBatchDelay: bbolt.DefaultMaxBatchDelay,
+		maxBatchSize:  bbolt.DefaultMaxBatchSize,
+		log:           &logger.Logger{Logger: zap.L()},
+	}
+}
+
+func WithPath(path string) Option {
+	return func(c *cfg) {
+		c.path = path
+	}
+}
+
+func WithPerm(perm fs.FileMode) Option {
+	return func(c *cfg) {
+		c.perm = perm
+	}
+}
+
+func WithNoSync(noSync bool) Option {
+	return func(c *cfg) {
+		c.noSync = noSync
+	}
+}
+
+func WithMaxBatchDelay(maxBatchDelay time.Duration) Option {
+	return func(c *cfg) {
+		c.maxBatchDelay = maxBatchDelay
+	}
+}
+
+func WithMaxBatchSize(maxBatchSize int) Option {
+	return func(c *cfg) {
+		c.maxBatchSize = maxBatchSize
+	}
+}
+
+func WithLogger(l *logger.Logger) Option {
+	return func(c *cfg) {
+		c.log = l
+	}
+}