# If you want to make a change in this file, edit the original one and run "make gen".

pilot:
  env:
    # 1.21 behavioral changes
    ENABLE_EXTERNAL_NAME_ALIAS: "false"
    PERSIST_OLDEST_FIRST_HEURISTIC_FOR_VIRTUAL_SERVICE_HOST_MATCHING: "true"
    VERIFY_CERTIFICATE_AT_CLIENT: "false"
    ENABLE_AUTO_SNI: "false"

    # 1.22 behavioral changes
    ENABLE_RESOLUTION_NONE_TARGET_PORT: "false"

meshConfig:

# If you want to make a change in this file, edit the original one and run "make gen".

pilot:
  env:
    # 1.21 behavioral changes
    ENABLE_EXTERNAL_NAME_ALIAS: "false"
    PERSIST_OLDEST_FIRST_HEURISTIC_FOR_VIRTUAL_SERVICE_HOST_MATCHING: "true"
    VERIFY_CERTIFICATE_AT_CLIENT: "false"
    ENABLE_AUTO_SNI: "false"

    # 1.22 behavioral changes
    ENABLE_RESOLUTION_NONE_TARGET_PORT: "false"

meshConfig:

# If you want to make a change in this file, edit the original one and run "make gen".

pilot:
  env:
    # 1.21 behavioral changes
    ENABLE_EXTERNAL_NAME_ALIAS: "false"
    PERSIST_OLDEST_FIRST_HEURISTIC_FOR_VIRTUAL_SERVICE_HOST_MATCHING: "true"
    VERIFY_CERTIFICATE_AT_CLIENT: "false"
    ENABLE_AUTO_SNI: "false"

    # 1.22 behavioral changes
    ENABLE_RESOLUTION_NONE_TARGET_PORT: "false"

meshConfig:

    - istio-proxy container exists and
        - does not have DISABLE_ENVOY environment variable (which triggers proxyless mode)
        - has a istio-proxy container, with first 2 args "proxy" and "sidecar" - or less then 2 args, or first arg not proxy.
        - "sidecar.istio.io/inject" is not false
        - "sidecar.istio.io/status" exists

### Redirect API

    - name: ISTIO_META_POD_PORTS
      value: |-
        [
        {{- $first := true }}
        {{- range $index1, $c := .Spec.Containers }}
          {{- range $index2, $p := $c.Ports }}
            {{- if (structToJSON $p) }}
            {{if not $first}},{{end}}{{ structToJSON $p }}
            {{- $first = false }}
            {{- end }}
          {{- end}}
        {{- end}}
        ]

    autoscaleEnabled: false
    ports:
    ## You can add custom gateway ports in user values overrides, but it must include those ports since helm replaces.
    # Note that AWS ELB will by default perform health checks on the first port
    # on this list. Setting this to the health check port will ensure that health
    # checks always work. https://github.com/istio/istio/issues/12503
    - port: 15021
      targetPort: 15021
      name: status-port

This document provides an overview of the architecture and design decisions around Ztunnel, the node-proxy component in ambient mode.

## Background and motivation

Motivations to implement ztunnel generally came from two areas.

First, and most importantly, it serves as a means to implement the real goal: waypoints.
For various reasons outside the scope of this document, there is a desire to move from a sidecar based architecture to a "remote proxy" architecture.

    - name: ISTIO_META_POD_PORTS
      value: |-
        [
        {{- $first := true }}
        {{- range $index1, $c := .Spec.Containers }}
          {{- range $index2, $p := $c.Ports }}
            {{- if (structToJSON $p) }}
            {{if not $first}},{{end}}{{ structToJSON $p }}
            {{- $first = false }}
            {{- end }}
          {{- end}}
        {{- end}}
        ]

    autoscaleEnabled: false
    ports:
    ## You can add custom gateway ports in user values overrides, but it must include those ports since helm replaces.
    # Note that AWS ELB will by default perform health checks on the first port
    # on this list. Setting this to the health check port will ensure that health
    # checks always work. https://github.com/istio/istio/issues/12503
    - port: 15021
      targetPort: 15021
      name: status-port

    autoscaleEnabled: false
    ports:
    ## You can add custom gateway ports in user values overrides, but it must include those ports since helm replaces.
    # Note that AWS ELB will by default perform health checks on the first port
    # on this list. Setting this to the health check port will ensure that health
    # checks always work. https://github.com/istio/istio/issues/12503
    - port: 15021
      targetPort: 15021
      name: status-port