26b4a258e0
1. Move compression parameters to the `shard` section. 2. Allow to use multiple sub-storage components in the blobstor. Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
71 lines
2 KiB
Go
71 lines
2 KiB
Go
package engineconfig
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import (
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"strconv"
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"github.com/nspcc-dev/neofs-node/cmd/neofs-node/config"
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shardconfig "github.com/nspcc-dev/neofs-node/cmd/neofs-node/config/engine/shard"
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)
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const (
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subsection = "storage"
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// ShardPoolSizeDefault is a default value of routine pool size per-shard to
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// process object PUT operations in a storage engine.
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ShardPoolSizeDefault = 20
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)
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// IterateShards iterates over subsections of "shard" subsection of "storage" section of c,
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// wrap them into shardconfig.Config and passes to f.
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//
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// Section names are expected to be consecutive integer numbers, starting from 0.
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//
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// Panics if N is not a positive number while shards are required.
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func IterateShards(c *config.Config, required bool, f func(*shardconfig.Config)) {
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c = c.Sub(subsection)
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c = c.Sub("shard")
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def := c.Sub("default")
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i := uint64(0)
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for ; ; i++ {
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si := strconv.FormatUint(i, 10)
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sc := shardconfig.From(
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c.Sub(si),
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)
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// Path for the blobstor can't be present in the default section, because different shards
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// must have different paths, so if it is missing, the shard is not here.
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// At the same time checking for "blobstor" section doesn't work proper
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// with configuration via the environment.
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if (*config.Config)(sc).Value("metabase.path") == nil {
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break
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}
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(*config.Config)(sc).SetDefault(def)
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f(sc)
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}
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if i == 0 && required {
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panic("no shard configured")
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}
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}
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// ShardPoolSize returns the value of "shard_pool_size" config parameter from "storage" section.
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//
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// Returns ShardPoolSizeDefault if the value is not a positive number.
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func ShardPoolSize(c *config.Config) uint32 {
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v := config.Uint32Safe(c.Sub(subsection), "shard_pool_size")
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if v > 0 {
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return v
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}
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return ShardPoolSizeDefault
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}
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// ShardErrorThreshold returns the value of "shard_ro_error_threshold" config parameter from "storage" section.
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//
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// Returns 0 if the the value is missing.
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func ShardErrorThreshold(c *config.Config) uint32 {
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return config.Uint32Safe(c.Sub(subsection), "shard_ro_error_threshold")
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}
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