Delete stale (>= 1-month old) environments from a platform.sh account

stale-envs.sh

#!/usr/bin/env bash

# Requires Platform.sh CLI >= 3.28.0

# For all projects
platform projects --pipe | 
    while read PROJ; do 
        # For all PROJ's active environments (excluding qa, stage, master, snapshot)
        platform environments --pipe -I -p ${PROJ} | grep -vo "master\|qa\|stage\|snapshot" |
            while read ENV; do
                # Date of last activity for ENV. 
                ENV_LAST_ACTIVITY=$(platform activities -q --type environment.push --limit=1 --format=csv --date-fmt="U" -p ${PROJ} -e ${ENV} | grep -Eo '[[:digit:]]{10}')
                # Current date (epoch).
                NOW=$(date +%s)
                if [ -n "${ENV_LAST_ACTIVITY}" ]; then
                    # If last activity occurred a month ago or longer.
                    if [ $(expr ${NOW} - ${ENV_LAST_ACTIVITY}) -ge 2592000 ]; then
                        # By default the script prints the command rather than execute it. 
                        # I suggest to leave this as it is, and pipe the script into a suitable
                        # execution loop.
                        echo "platform environment:delete -y --no-delete-branch -p ${PROJ} ${ENV}"
                    fi
                fi
            done
    done