cronsul-cleanup

#!/bin/bash
set -eu

CONSUL_HOST="${CONSUL_HOST:-localhost}"
CONSUL_PORT="${CONSUL_PORT:-8500}"

CONSUL_ADDR="http://${CONSUL_HOST}:${CONSUL_PORT}"

current_date="$(date +%s)"

curl -s "${CONSUL_ADDR}/v1/kv/cronsul?keys" |
    egrep -o '"([^"\\]|\\(["\\/bfnrt]|u[0-9a-fA-F]{4}))*"' |
    sed -e 's/^"//' -e 's/"$//' |
    while IFS=/ read -r cronsul task_id period schedule_date; do
        if ((schedule_date + 2 * period < current_date )); then
            curl -s -X DELETE "${CONSUL_ADDR}/v1/kv/$cronsul/$task_id/$period/$schedule_date"
        fi
    done