feat(lb): add support for connection-rate-limit (#4512)

Co-authored-by: Rémy Léone <[email protected]>

Author: scaleway-bot

cmd/scw/testdata/test-all-usage-lb-frontend-create-usage.golden

@@ -13,6 +13,7 @@ ARGS:
   [timeout-client=5m]         Maximum allowed inactivity time on the client side
   [certificate-ids.{index}]   List of SSL/TLS certificate IDs to bind to the frontend
   [enable-http3]              Defines whether to enable HTTP/3 protocol on the frontend
+  [connection-rate-limit]     Rate limit for new connections established on this frontend. Use 0 value to disable, else value is connections per second.
   [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 | nl-ams-3 | pl-waw-1 | pl-waw-2 | pl-waw-3)
 
 DEPRECATED ARGS:

cmd/scw/testdata/test-all-usage-lb-frontend-update-usage.golden

@@ -13,6 +13,7 @@ ARGS:
   [timeout-client=5m]         Maximum allowed inactivity time on the client side
   [certificate-ids.{index}]   List of SSL/TLS certificate IDs to bind to the frontend
   [enable-http3]              Defines whether to enable HTTP/3 protocol on the frontend
+  [connection-rate-limit]     Rate limit for new connections established on this frontend. Use 0 value to disable, else value is connections per second.
   [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 | nl-ams-3 | pl-waw-1 | pl-waw-2 | pl-waw-3)
 
 DEPRECATED ARGS:

docs/commands/lb.md

@@ -676,6 +676,7 @@ scw lb frontend create [arg=value ...]
 | ~~certificate-id~~ | Deprecated | Certificate ID, deprecated in favor of certificate_ids array |
 | certificate-ids.{index} |  | List of SSL/TLS certificate IDs to bind to the frontend |
 | enable-http3 |  | Defines whether to enable HTTP/3 protocol on the frontend |
+| connection-rate-limit |  | Rate limit for new connections established on this frontend. Use 0 value to disable, else value is connections per second. |
 | zone | Default: `fr-par-1`<br />One of: `fr-par-1`, `fr-par-2`, `nl-ams-1`, `nl-ams-2`, `nl-ams-3`, `pl-waw-1`, `pl-waw-2`, `pl-waw-3` | Zone to target. If none is passed will use default zone from the config |
 
 
@@ -765,6 +766,7 @@ scw lb frontend update <frontend-id ...> [arg=value ...]
 | ~~certificate-id~~ | Deprecated | Certificate ID, deprecated in favor of certificate_ids array |
 | certificate-ids.{index} |  | List of SSL/TLS certificate IDs to bind to the frontend |
 | enable-http3 |  | Defines whether to enable HTTP/3 protocol on the frontend |
+| connection-rate-limit |  | Rate limit for new connections established on this frontend. Use 0 value to disable, else value is connections per second. |
 | zone | Default: `fr-par-1`<br />One of: `fr-par-1`, `fr-par-2`, `nl-ams-1`, `nl-ams-2`, `nl-ams-3`, `pl-waw-1`, `pl-waw-2`, `pl-waw-3` | Zone to target. If none is passed will use default zone from the config |
 
 

internal/namespaces/lb/v1/lb_cli.go

@@ -1721,6 +1721,13 @@ func lbFrontendCreate() *core.Command {
 				Deprecated: false,
 				Positional: false,
 			},
+			{
+				Name:       "connection-rate-limit",
+				Short:      `Rate limit for new connections established on this frontend. Use 0 value to disable, else value is connections per second.`,
+				Required:   false,
+				Deprecated: false,
+				Positional: false,
+			},
 			core.ZoneArgSpec(scw.ZoneFrPar1, scw.ZoneFrPar2, scw.ZoneNlAms1, scw.ZoneNlAms2, scw.ZoneNlAms3, scw.ZonePlWaw1, scw.ZonePlWaw2, scw.ZonePlWaw3),
 		},
 		Run: func(ctx context.Context, args interface{}) (i interface{}, e error) {
@@ -1831,6 +1838,13 @@ func lbFrontendUpdate() *core.Command {
 				Deprecated: false,
 				Positional: false,
 			},
+			{
+				Name:       "connection-rate-limit",
+				Short:      `Rate limit for new connections established on this frontend. Use 0 value to disable, else value is connections per second.`,
+				Required:   false,
+				Deprecated: false,
+				Positional: false,
+			},
 			core.ZoneArgSpec(scw.ZoneFrPar1, scw.ZoneFrPar2, scw.ZoneNlAms1, scw.ZoneNlAms2, scw.ZoneNlAms3, scw.ZonePlWaw1, scw.ZonePlWaw2, scw.ZonePlWaw3),
 		},
 		Run: func(ctx context.Context, args interface{}) (i interface{}, e error) {