mirror-licenses: mod-download-go
	@rm -fr licenses
	@license-lint --mirror

TMP := $(shell mktemp -d -u)
UPDATE_BRANCH ?= "master"

BUILD_TOOLS_ORG ?= "istio"

update-common:
	@mkdir -p $(TMP)
	@git clone -q --depth 1 --single-branch --branch $(UPDATE_BRANCH) https://github.com/$(BUILD_TOOLS_ORG)/common-files $(TMP)/common-files
	@cd $(TMP)/common-files ; git rev-parse HEAD >files/common/.commonfiles.sha
	@rm -fr common

Ztunnel, of course, needs to be dynamically configured in order to make decisions on how it should handle traffic.
For this purpose, we chose to use xDS transport protocol due to our expertise and existing infrastructure, and because the protocol is well suited to our needs.

However, while we chose to use the xDS *transport protocol*, we chose to not use the xDS resource types, such as Clusters and Listeners.

  // first client attaches to stdin, and then remains open and accepts data until the client disconnects,
  // at which time stdin is closed and remains closed until the container is restarted. If this
  // flag is false, a container processes that reads from stdin will never receive an EOF.
  // Default is false
  // +optional
  optional bool stdinOnce = 17;