feat(lb): add backend_id to GetLbStats (#3149)

Co-authored-by: Rémy Léone <rleone@scaleway.com>

Author: scaleway-bot

cmd/scw/testdata/test-all-usage-lblb-get-stats-usage.golden

@@ -7,6 +7,7 @@ USAGE:
 
 ARGS:
   lb-id             Load Balancer ID
+  [backend-id]      ID of the backend
   [zone=fr-par-1]   Zone to target. If none is passed will use default zone from the config (fr-par-1 | fr-par-2 | nl-ams-1 | nl-ams-2 | pl-waw-1 | pl-waw-2)
 
 FLAGS:

docs/commands/lb.md

@@ -965,6 +965,7 @@ scw lb lb get-stats <lb-id ...> [arg=value ...]
 | Name |   | Description |
 |------|---|-------------|
 | lb-id | Required | Load Balancer ID |
+| backend-id |  | ID of the backend |
 | zone | Default: `fr-par-1`<br />One of: `fr-par-1`, `fr-par-2`, `nl-ams-1`, `nl-ams-2`, `pl-waw-1`, `pl-waw-2` | Zone to target. If none is passed will use default zone from the config |
 
 

internal/namespaces/lb/v1/lb_cli.go

@@ -2019,6 +2019,13 @@ func lbLBGetStats() *core.Command {
 				Deprecated: false,
 				Positional: true,
 			},
+			{
+				Name:       "backend-id",
+				Short:      `ID of the backend`,
+				Required:   false,
+				Deprecated: false,
+				Positional: false,
+			},
 			core.ZoneArgSpec(scw.ZoneFrPar1, scw.ZoneFrPar2, scw.ZoneNlAms1, scw.ZoneNlAms2, scw.ZonePlWaw1, scw.ZonePlWaw2),
 		},
 		Run: func(ctx context.Context, args interface{}) (i interface{}, e error) {