Get a production CNAME for a Platform.sh project

get-cname.sh

#!/usr/bin/env bash

set -e -o pipefail

project=${1:-$(platform project:info id)}
default_route='https://{default}/'
route=${2:-$default_route}
prod='master'
other=''

# Find an active environment that isn't master.
if [ -z "$other" ] || [ "$other" = "$prod" ]; then
  other=$(platform environment:list -p "$project" --no-inactive --pipe | grep -v "$prod" | head -n1 || true)
  [ -z "$other" ] && echo "Failed to find an active environment that is not: $prod" && exit 1
fi

# Find the URL of the $other environment.
url=$(platform route:get -p "$project" -e "$other" "$route" -P url)

# Find the machine name of the $other environment.
other_machine_name=$(platform environment:info machine_name -p "$project" -e "$other")

# Find the machine name of the $prod environment.
prod_machine_name=$(platform environment:info machine_name -p "$project" -e "$prod")

# Get the hostname of the URL.
host=$(echo "$url" | sed "s#https*://##;" | cut -d/ -f1)
[ -z "$host" ] && echo "Failed to find hostname for URL: $url" && exit 1

# Replace the $other machine name with the $prod machine name in the URL.
echo "$host" | sed "s#${other_machine_name}#${prod_machine_name}#"