Mastodon health checks, run every minute via cron on a separate server

mastodon-streaming-healthcheck.sh

#!/usr/bin/env bash

set -u

NOW=$(date +"%F %T %Z")
OK=
if curl -s https://a2mi.social/api/v1/streaming/health | grep -c OK > /dev/null ; then
	OK="1"
else
	OK="0"
fi

LASTSTATUS_FILE="$HOME/.mastodon-streaming-api-check-status"

if ! grep -c "$OK" "$LASTSTATUS_FILE" >/dev/null ; then
	if [[ "$OK" == "1" ]]; then
		echo "a2mi.social streaming API recovered at $NOW" | mailx -s "[a2mi.social] Streaming API - Recovered" chris@dzombak.com
	else
		echo "a2mi.social streaming API was not OK at $NOW" | mailx -s "[a2mi.social] Streaming API - ALERT" chris@dzombak.com
	fi
fi

echo "$OK" > "$LASTSTATUS_FILE"

mastodon-web-healthcheck.sh

#!/usr/bin/env bash

set -u

NOW=$(date +"%F %T %Z")
OK=
if curl -s https://a2mi.social/api/v1/instance | grep -c "Hi there\!" > /dev/null ; then
	OK="1"
else
	OK="0"
fi

LASTSTATUS_FILE="$HOME/.mastodon-instance-api-check-status"

if ! grep -c "$OK" "$LASTSTATUS_FILE" >/dev/null ; then
	if [[ "$OK" == "1" ]]; then
		echo "a2mi.social web instance API recovered at $NOW" | mailx -s "[a2mi.social] Website - Recovered" chris@dzombak.com
	else
		echo "a2mi.social web instance API was not OK at $NOW" | mailx -s "[a2mi.social] Website - ALERT" chris@dzombak.com
	fi
fi

echo "$OK" > "$LASTSTATUS_FILE"