feat(proxyd): allow configuration for backendGroup options (#244)

---------

Co-authored-by: Carlos Jorge <[email protected]>

charts/proxyd/Chart.yaml

@@ -15,7 +15,7 @@ type: application
 # This is the chart version. This version number should be incremented each time you make changes
 # to the chart and its templates, including the app version.
 # Versions are expected to follow Semantic Versioning (https://semver.org/)
-version: 0.5.0
+version: 0.5.1
 
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application. Versions are not expected to

charts/proxyd/README.md

@@ -2,7 +2,7 @@
 
 Deploy and scale [proxyd](https://github.com/ethereum-optimism/optimism/tree/develop/proxyd) inside Kubernetes with ease
 
-[![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](https://opensource.org/licenses/Apache-2.0) ![Version: 0.5.0](https://img.shields.io/badge/Version-0.5.0-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: v4.4.4](https://img.shields.io/badge/AppVersion-v4.4.4-informational?style=flat-square)
+[![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](https://opensource.org/licenses/Apache-2.0) ![Version: 0.5.1](https://img.shields.io/badge/Version-0.5.1-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: v4.4.4](https://img.shields.io/badge/AppVersion-v4.4.4-informational?style=flat-square)
 
 ## Introduction
 
@@ -127,6 +127,7 @@ We do not recommend that you upgrade the application by overriding `image.tag`.
 | Key | Description | Type | Default |
 |-----|-------------|------|---------|
  | backendConfigTemplate | TOML configuration for backend | string | `"# How long proxyd should wait for a backend response before timing out.\nresponse_timeout_seconds = 300\n# Maximum response size, in bytes, that proxyd will accept from a backend.\nmax_response_size_bytes = 10737420000 # 10 GiB\n# Maximum number of times proxyd will try a backend before giving up.\nmax_retries = 3\n# Number of seconds to wait before trying an unhealthy backend again.\nout_of_service_seconds = 10\n"` |
+ | backendGroups.consensus_aware | Enable consensus awareness | bool | `true` |
  | backends.example-backend | Example backend configuration, keep disabled | object | `{"enabled":false,"extraConfig":{},"groups":["main"],"rpcUrl":"http://your-node:8545","wsUrl":"ws://your-node:8545"}` |
  | backends.example-backend.enabled | Enable the backend | bool | `false` |
  | backends.example-backend.extraConfig | Define additional configuration keys for the backend (see [proxyd config](https://github.com/ethereum-optimism/optimism/blob/5d309e6a6d5e1ef6a88c1ce827b7e6d47f033bbb/proxyd/example.config.toml#L47)) | object | `{}` |

charts/proxyd/values.yaml

@@ -121,6 +121,11 @@ backends:
     groups:
       - main
 
+  # -- Options for backend groups
+backendGroups:
+  # -- Enable consensus awareness
+  consensus_aware: true
+
 # -- Mapping JSON-RPC method name to a particular group of backends (method_name -> group_name)
 rpcMethodMappings:
   web3_clientVersion: main
@@ -270,9 +275,10 @@ configTemplate: |
   {{- end }}
 
   [backend_groups]
+  {{- $backendOptions := .Values.backendGroups }}
   {{- range $groupName, $groupMembers := .computed.backendGroups }}
   [backend_groups.{{ $groupName }}]
-  consensus_aware = true
+  {{ toToml $backendOptions }}
   {{ toToml (dict "backends" $groupMembers) }}
   {{- end }}