Simple script to download the `last-modified` file from PyPI mirror and check if it's up-to-date.

check_pypi_mirror.sh

#!/bin/bash
# Thomas Merkel <tm@core.io>
# Check PyPI mirror with nagios

PROGPATH=$(echo ${0} | sed -e 's,[\\/][^\\/][^\\/]*$,,')
REVISION="1.1"

source ${PROGPATH}/utils.sh

# Function to print help
function help() {
	print_revision ${0} ${REVISION}
	echo
	echo "${0} -u <url/last-modified> -w <warning seconds> -c <critical seconds>"
	echo
	echo "OPTIONS:"
	echo " -u <url/last-modified>:  URL to the last-modified file"
	echo " -w <warning seconds>:    Difference in seconds for warning (1800)"
	echo " -c <critical seconds>:   Difference in seconds for criticial (3600)"
	exit ${STATE_UNKNOWN}
}

# Parse all option
WARN=1800
CRIT=3600
while getopts "h?u:w:c:" opt; do
	case "$opt" in
		h|\?)
			help
			;;
		u)
			URL=${OPTARG}
			;;
		w)
			WARN=${OPTARG}
			;;
		c)
			CRIT=${OPTARG}
			;;
	esac
done

if [ $# -eq 0 ]; then
	help
fi

shift $((OPTIND-1))

# Download and check curl return date
l_date=$(date -u)
r_curl=$(curl -sq ${URL})

if [ ${?} -ne 0 ]; then
	echo "CRIT: failed to download last-modified file"
	exit ${STATE_CRITICAL}
fi

# Convert remote date to utc timestamp, because the file contains
# another date format we need to convert it
r_date=$(echo "${r_curl} UTC" | sed "s:T: :")

# Convert to unix timestamp
l_unixtime=$(date -d "${l_date}" +%s)
r_unixtime=$(date -d "${r_date}" +%s)

# Check difference
if [[ ! $((${r_unixtime}+${CRIT})) -lt ${l_unixtime} || \
      ! $((${r_unixtime}+${WARN})) -lt ${l_unixtime} ]]; then
	echo "OK: mirror is up-to-date [remote ${r_date}]"
	exit ${STATE_OK}
fi
if [ $((${r_unixtime}+${CRIT})) -lt ${l_unixtime} ]; then
	echo "CRIT: mirror out of sync [remote ${r_date}]"
	exit ${STATE_CRITICAL}
fi
if [ $((${r_unixtime}+${WARN})) -lt ${l_unixtime} ]; then
	echo "WARN: mirror out of sync [remote ${r_date}]"
	exit ${STATE_WARNING}
fi