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[#969] node: Do not require shard config in relay mode

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Relay storage node doesn't exec local object operations, so it doesn't need
shard configuration.

Add `required` bool parameter to `engineconfig.IterateShards`. Make it to
panic if it is `true`, and immediately return otherwise. Pass `false` if
node is configured as relay in app (it also prevents panic).

Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
This commit is contained in:
Leonard Lyubich 2021-11-12 13:15:14 +03:00 committed by LeL
parent 95893927aa
commit fb89d29574
3 changed files with 22 additions and 6 deletions
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4
cmd/neofs-node/config.go
View file

@ -367,7 +367,9 @@ func initLocalStorage(c *cfg) {
func initShardOptions(c *cfg) {
var opts [][]shard.Option
engineconfig.IterateShards(c.appCfg, func(sc *shardconfig.Config) {
require := !nodeconfig.Relay(c.appCfg) // relay node does not require shards
engineconfig.IterateShards(c.appCfg, require, func(sc *shardconfig.Config) {
var writeCacheOpts []writecache.Option
useWriteCache := sc.UseWriteCache()

8
cmd/neofs-node/config/engine/config.go
View file

@ -19,15 +19,19 @@ const (
// of "shard" subsection of "storage" section of c, wrap them into
// shardconfig.Config and passes to f.
//
// Panics if N is not a positive number.
func IterateShards(c *config.Config, f func(*shardconfig.Config)) {
// Panics if N is not a positive number while shards are required.
func IterateShards(c *config.Config, required bool, f func(*shardconfig.Config)) {
c = c.Sub(subsection)
num := config.Uint(c, "shard_num")
if num == 0 {
if required {
panic("no shard configured")
}
return
}
def := c.Sub("default")
c = c.Sub("shard")

14
cmd/neofs-node/config/engine/config_test.go
View file

@ -17,9 +17,19 @@ func TestEngineSection(t *testing.T) {
empty := configtest.EmptyConfig()
require.Panics(t, func() {
engineconfig.IterateShards(empty, nil)
engineconfig.IterateShards(empty, true, nil)
})
handlerCalled := false
require.NotPanics(t, func() {
engineconfig.IterateShards(empty, false, func(_ *shardconfig.Config) {
handlerCalled = true
})
})
require.False(t, handlerCalled)
require.EqualValues(t, engineconfig.ShardPoolSizeDefault, engineconfig.ShardPoolSize(empty))
})
@ -30,7 +40,7 @@ func TestEngineSection(t *testing.T) {
require.EqualValues(t, 15, engineconfig.ShardPoolSize(c))
engineconfig.IterateShards(c, func(sc *shardconfig.Config) {
engineconfig.IterateShards(c, true, func(sc *shardconfig.Config) {
defer func() {
num++
}()