# Updating charts and values.yaml

## Acceptable Pull Requests

Helm charts `values.yaml` represent a complex user facing API that tends to grow uncontrollably over time
due to design choices in Helm.
The underlying Kubernetes resources we configure have 1000s of fields; given enough users and bespoke use cases,
eventually someone will want to customize every one of those fields.

fi

git clone  "https://${REPO}" "${API_TMP}" && cd "${API_TMP}"
git checkout "${SHA}"
if [ ! -f "${API_TMP}/kubernetes/customresourcedefinitions.gen.yaml" ]; then
  echo "Generated Custom Resource Definitions file does not exist in the commit SHA ${SHA}. Not updating the CRD file."
  exit
fi

# Istio Installer

Note: If making any changes to the charts or values.yaml in this dir, first read [UPDATING-CHARTS.md](UPDATING-CHARTS.md)

Istio installer is a modular, 'a-la-carte' installer for Istio. It is based on a
fork of the Istio helm templates, refactored to increase modularity and isolation.

Goals:
- Improve upgrade experience: users should be able to gradually roll upgrades, with proper

  // If all API server instances agree on the same encoding storage version,
  // then this field is set to that version. Otherwise this field is left empty.
  // API servers should finish updating its storageVersionStatus entry before
  // serving write operations, so that this field will be in sync with the reality.
  // +optional
  optional string commonEncodingVersion = 2;

// PodDisruptionBudgetStatus represents information about the status of a
// PodDisruptionBudget. Status may trail the actual state of a system.
message PodDisruptionBudgetStatus {
  // Most recent generation observed when updating this PDB status. DisruptionsAllowed and other
  // status information is valid only if observedGeneration equals to PDB's object generation.
  // +optional
  optional int64 observedGeneration = 1;