forked from TrueCloudLab/frostfs-node
113 lines
2.4 KiB
Go
113 lines
2.4 KiB
Go
package blobstorconfig
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import (
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"io/fs"
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"github.com/nspcc-dev/neofs-node/cmd/neofs-node/config"
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blobovniczaconfig "github.com/nspcc-dev/neofs-node/cmd/neofs-node/config/engine/shard/blobstor/blobovnicza"
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"github.com/nspcc-dev/neofs-node/pkg/local_object_storage/blobstor/fstree"
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)
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// Config is a wrapper over the config section
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// which provides access to BlobStor configurations.
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type Config config.Config
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// config defaults
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const (
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// PermDefault are default permission bits for BlobStor data.
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PermDefault = 0660
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// ShallowDepthDefault is a default shallow dir depth.
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ShallowDepthDefault = 4
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// SmallSizeLimitDefault is a default limit of small objects payload in bytes.
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SmallSizeLimitDefault = 1 << 20
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)
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// From wraps config section into Config.
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func From(c *config.Config) *Config {
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return (*Config)(c)
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}
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// Path returns value of "path" config parameter.
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//
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// Panics if value is not a non-empty string.
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func (x *Config) Path() string {
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p := config.String(
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(*config.Config)(x),
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"path",
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)
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if p == "" {
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panic("blobstor path not set")
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}
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return p
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}
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// Perm returns value of "perm" config parameter as a fs.FileMode.
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//
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// Returns PermDefault if value is not a non-zero number.
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func (x *Config) Perm() fs.FileMode {
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p := config.UintSafe(
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(*config.Config)(x),
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"perm",
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)
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if p == 0 {
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p = PermDefault
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}
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return fs.FileMode(p)
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}
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// ShallowDepth returns value of "shallow_depth" config parameter.
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//
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// Returns ShallowDepthDefault if value is out of
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// [1:fstree.MaxDepth] range.
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func (x *Config) ShallowDepth() int {
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d := config.IntSafe(
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(*config.Config)(x),
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"shallow_depth",
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)
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if d >= 1 && d <= fstree.MaxDepth {
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return int(d)
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}
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return ShallowDepthDefault
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}
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// Compress returns value of "compress" config parameter.
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//
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// Returns false if value is not a valid bool.
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func (x *Config) Compress() bool {
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return config.BoolSafe(
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(*config.Config)(x),
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"compress",
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)
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}
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// SmallSizeLimit returns value of "small_size_limit" config parameter.
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//
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// Returns SmallSizeLimitDefault if value is not a positive number.
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func (x *Config) SmallSizeLimit() uint64 {
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l := config.UintSafe(
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(*config.Config)(x),
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"small_size_limit",
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)
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if l > 0 {
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return l
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}
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return SmallSizeLimitDefault
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}
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// Blobovnicza returns "blobovnicza" subsection as a blobovniczaconfig.Config.
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func (x *Config) Blobovnicza() *blobovniczaconfig.Config {
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return blobovniczaconfig.From(
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(*config.Config)(x).
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Sub("blobovnicza"),
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)
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}
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