ca.svg...

digraph { grpc -> ca [label="Send CSR gRPC Request"] subgraph cluster_istioagent { label = "Istio Agent" color="orange" sds SecretManager -> caClient [label="Sign CSR"] caClient -> grpc grpc -> TokenProvider [dir=none,label="Fetch JWT",color=purple] grpc -> cfiles [dir=none,label="Fetch Cert",color=purple] sds -> SecretManager [label="Generate certificate"] SecretManager -> cfiles [label="Write certs to file"] cfiles [label="Certificate Files"] grpc [shape=diamond] } subgraph cluster_istiod {...

John Howard <******@****.***> 1605827959 -0800

Pengyuan Bian <******@****.***> 1625172474 -0700

						Name:      "istiod",
					},
					CABundle: []byte("ca"),
				},
			},
			{
				Name: fmt.Sprintf("object.%s", istioInjectionWebhookSuffix),
				ClientConfig: admitv1.WebhookClientConfig{
					Service: &admitv1.ServiceReference{
						Namespace: "default",
						Name:      "istiod",
					},
					CABundle: []byte("ca"),
				},
			},
		},
	}
	samplePath               = "/sample/path"

      # When a CSR is sent from Istio Agent to the CA (e.g. Istiod), this aud is to make sure the
      # JWT is intended for the CA.
      token:
        aud: istio-ca

    sts:
      # The service port used by Security Token Service (STS) server to handle token exchange requests.
      # Setting this port to a non-zero value enables STS server.
      servicePort: 0

    # The name of the CA for workload certificates.

	caDataSecret := secretTyped.
		GetValidationContext().
		GetTrustedCa().
		GetInlineBytes()

	// seems as though the most straightforward way to tell whether this is a root ca or not
	// is to check whether the inline bytes of the cert chain or the trusted ca field is zero length
	if len(certChainSecret) > 0 {
		builder.Data(string(certChainSecret))
	} else if len(caDataSecret) > 0 {
		builder.Data(string(caDataSecret))
	}

          path: istio-token
          expirationSeconds: 43200
          audience: {{ .Values.global.sds.token.aud }}
  {{- if eq .Values.global.pilotCertProvider "istiod" }}
  - name: istiod-ca-cert
    configMap:
      name: istio-ca-root-cert
  {{- end }}
  {{- if .Values.global.mountMtlsCerts }}
  # Use the key and cert mounted to /etc/certs/ for the in-cluster mTLS communications.
  - name: istio-certs
    secret:

meshConfig:
  defaultConfig:
    proxyMetadata:
      ISTIO_META_ENABLE_HBONE: "true"
global:
  variant: distroless
pilot:
  env:
    PILOT_ENABLE_AMBIENT: "true"
    CA_TRUSTED_NODE_ACCOUNTS: "istio-system/ztunnel,kube-system/ztunnel"
cni:
  ambient:
    enabled: true

# Ztunnel doesn't use a namespace, so everything here is mostly for ztunnel

  env:
    # Setup more secure default that is off in 'default' only for backwards compatibility
    VERIFY_CERTIFICATE_AT_CLIENT: "true"
    ENABLE_AUTO_SNI: "true"

    PILOT_ENABLE_HBONE: "true"
    CA_TRUSTED_NODE_ACCOUNTS: "istio-system/ztunnel,kube-system/ztunnel"
    PILOT_ENABLE_AMBIENT_CONTROLLERS: "true"
cni:
  logLevel: info
  ambient:
    enabled: true