[NET-6221] Ensure LB policy set for locality-aware routing (CE) #11627

	# Copyright (c) HashiCorp, Inc.
	# SPDX-License-Identifier: MPL-2.0

	# This workflow checks that there is either a 'pr/no-backport' label applied to a PR
	# or there is a backport/* label indicating a backport has been set

	name: Backport Checker

	on:
	pull_request:
	types: [opened, synchronize, labeled]
	# Runs on PRs to main and all release branches
	branches:
	- main
	- release/*

	jobs:
	# checks that a backport label is present for a PR
	backport-check:
	# If there's a `pr/no-backport` label we ignore this check. Also, we ignore PRs created by the bot assigned to `backport-assistant`
	if: "! ( contains(github.event.pull_request.labels.*.name, 'pr/no-backport') \|\| github.event.pull_request.user.login == 'hc-github-team-consul-core' )"
	runs-on: ubuntu-latest

	steps:
	- name: Check for Backport Label
	run: \|
	labels="${{join(github.event.pull_request.labels.*.name, ', ') }}"
	if [[ "$labels" =~ ."backport/". ]]; then
	echo "Found backport label!"
	exit 0
	fi
	# Fail status check when no backport label was found on the PR
	echo "Did not find a backport label matching the pattern 'backport/*' and the 'pr/no-backport' label was not applied. Reference - https://github.com/hashicorp/consul/pull/16567"
	exit 1

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