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WIP: [#131] add netmap-aware dialer #196

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olefirenque wants to merge 5 commits from olefirenque/frostfs-sdk-go:173-add_netmap_aware_dialer into master
pull from: olefirenque/frostfs-sdk-go:173-add_netmap_aware_dialer
merge into: TrueCloudLab:master
Conversation 1 Commits 5 Files changed 3 +139 -22
olefirenque commented 2023-11-30 10:14:04 +00:00
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Refers to #173

Refers to #173
olefirenque added 1 commit 2023-11-30 10:14:05 +00:00
[#131] client: add basic netmap dialer
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6ace44f6b5 
Signed-off-by: olefirenque <egor.olefirenko892@gmail.com>
olefirenque added 1 commit 2023-11-30 10:26:34 +00:00
[#131] client: get rid of slices.Equal
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dd8fb59efe 
Signed-off-by: olefirenque <egor.olefirenko892@gmail.com>
fyrchik reviewed 2023-11-30 10:54:59 +00:00
client/client.go
@ -6,2 +6,4 @@
"crypto/tls"
"errors"
"fmt"
netmap "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/netmap/grpc"
fyrchik commented 2023-11-30 10:30:51 +00:00
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stdlib imports should form a separate group, could you move netmap below?

stdlib imports should form a separate group, could you move `netmap` below?
fyrchik commented 2023-11-30 10:30:51 +00:00
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stdlib imports should form a separate group, could you move netmap below?

stdlib imports should form a separate group, could you move `netmap` below?
fyrchik commented 2023-11-30 11:09:14 +00:00
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Also, we have netmap in the SDK (this repo), can we use it instead of the api package?

Also, we have netmap in the SDK (this repo), can we use it instead of the api package?
olefirenque commented 2023-11-30 11:30:12 +00:00
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Yes, I used the grpc domain by mistake.
Fixed.

Yes, I used the grpc domain by mistake. Fixed.
client/client.go Outdated
@ -113,0 +119,4 @@
return err
}
isEqualSlices := func(a, b []byte) bool {
fyrchik commented 2023-11-30 10:30:21 +00:00
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Use bytes.Equal?

Use `bytes.Equal`?
client/client.go Outdated
@ -113,0 +135,4 @@
nodes := c.prm.NetMap.GetNodes()
for _, node := range nodes {
if isEqualSlices([]byte(u.Host), node.PublicKey) {
return c.Dial(ctx, PrmDial{Endpoint: node.Addresses[0]})
fyrchik commented 2023-11-30 10:54:11 +00:00
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This is where we can implement any logic we need. I suggest moving this dial in a separate function, we might want:

  1. Choose addresses from ExternalAddresses attribute
  2. Chose random address.
  3. Handle dial errors (if one address is unavailable, try the next one).

It would be easier to do this in a separate function, in this one we have a simple dial.

This is where we can implement any logic we need. I suggest moving this `dial` in a separate function, we might want: 1. Choose addresses from `ExternalAddresses` attribute 2. Chose _random_ address. 3. Handle dial errors (if one address is unavailable, try the next one). It would be easier to do this in a separate function, in this one we have a simple `dial`.
olefirenque commented 2023-11-30 11:32:54 +00:00
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Should each option be explicitly defined by client user?

Should each option be explicitly defined by client user?
fyrchik commented 2023-11-30 12:47:55 +00:00
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We can discuss. IMO this could be governed with a single parameter, with some reasonable default.

We can discuss. IMO this could be governed with a single parameter, with some reasonable default.
olefirenque added 1 commit 2023-11-30 11:28:53 +00:00
[#131] client: refactor netmap dialer
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cf4677ecb9 
Signed-off-by: olefirenque <egor.olefirenko892@gmail.com>
olefirenque force-pushed 173-add_netmap_aware_dialer from 2b9eaeb2a6 to 7b03c3a6a1 2023-12-07 08:54:42 +00:00 Compare
olefirenque added 1 commit 2023-12-07 09:14:23 +00:00
[#131] client: pass PrmDialOptions to dial call
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aa536d4a4d 
Signed-off-by: olefirenque <egor.olefirenko892@gmail.com>
olefirenque commented 2023-12-07 09:24:17 +00:00
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Since rpc.Balance is a static function in Client.Dial(...) call, it is hard to reach high coverage of Dial/NetMapDial methods. Would it be suitable to extract rpc call to grpc client for inverting the dependency?

Also I'm concerned about backward compatibility in case of modification prmDial structure (some of field were extracted in the embedding in the last commit). Maybe it would be convenient to have constructors for such types?

Since `rpc.Balance` is a static function in `Client.Dial(...)` call, it is hard to reach high coverage of Dial/NetMapDial methods. Would it be suitable to extract rpc call to grpc client for inverting the dependency? Also I'm concerned about backward compatibility in case of modification prmDial structure (some of field were extracted in the embedding in the last commit). Maybe it would be convenient to have constructors for such types?
fyrchik closed this pull request 2024-08-26 06:33:52 +00:00
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Reference: TrueCloudLab/frostfs-sdk-go#196
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