inspin
/
status.inspin.io
2
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
status.inspin.io/tinystatus

130 lines
4.1 KiB
Plaintext
Raw Normal View History

Initial commit
2021-03-27 22:27:40 +00:00
#!/usr/bin/env sh
title=tinystatus
timeout=10
Use mktemp for temp dir
2021-03-28 20:20:27 +00:00
tmp="$(mktemp -d)"
Use comma-separated value text file CSV is a well-supported standard and makes things more predictable/easier to see where things go.
2021-03-29 15:25:25 +00:00
checkfile="${1:-checks.csv}"
Show incidents only if the file exists
2021-03-28 20:14:08 +00:00
incidentsfile="${2:-incidents.list}"
Use mktemp for temp dir
2021-03-28 20:20:27 +00:00
useragent="User-Agent: Mozilla/5.0 (X11; Linux x86_64; Debian) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.88 Safari/537.36"
Initial commit
2021-03-27 22:27:40 +00:00
command_exists(){
if ! command -v "${1}" >/dev/null 2>&1; then
echo >&2 "Error: ${1} missing. Please install it"
exit 1
fi
}
get_element(){
Use comma-separated value text file CSV is a well-supported standard and makes things more predictable/easier to see where things go.
2021-03-29 15:25:25 +00:00
echo "${2}" | awk -v col="${1}" -F',' '{gsub(/^[ \t]+|[ \t]+$/, "", $col); print $col}'
Initial commit
2021-03-27 22:27:40 +00:00
}
check(){
ctype="${1}"
host="${2}"
name="${3}"
expectedcode="${4}"
Add IPv6 support
2021-03-29 18:55:23 +00:00
IPv="$(echo "${ctype}" | grep -o '[0-9]$')"
case "${ctype}" in
http*)
statuscode="$(curl -${IPv}sSkLo /dev/null -H "${useragent}" -m "${timeout}" -w "%{http_code}" "${host}" 2> "${tmp}/ko/${name}.error")";;
ping*)
ping -W${IPv} "${timeout}" -c 1 "${host}" >/dev/null 2>&1
statuscode=$?
[ ${statuscode} -ne ${expectedcode} ] && echo 'Host unreachable' > "${tmp}/ko/${name}.error";;
port*)
error="$(nc -w${IPv} "${timeout}" -zv ${host} 2>&1)"
statuscode=$?
[ ${statuscode} -ne ${expectedcode} ] && echo "${error}" > "${tmp}/ko/${name}.error";;
esac
Initial commit
2021-03-27 22:27:40 +00:00
# verity status and write files
if [ ${statuscode} -eq ${expectedcode} ]; then
echo "Status code: ${statuscode}" > "${tmp}/ok/${name}.status"
else
echo "Status code: ${statuscode}" > "${tmp}/ko/${name}.status"
fi
if [ -s "${tmp}/ko/${name}.error" ]; then
sed "${tmp}/ko/${name}.error" \
-e 's,curl: ([0-9]*) ,,' \
-e 's,.*) failed: ,,' > "${tmp}/ko/${name}.status"
fi
}
command_exists 'curl'
command_exists 'nc'
Add command existence check for ping
2021-03-29 15:03:37 +00:00
command_exists 'ping'
Initial commit
2021-03-27 22:27:40 +00:00
mkdir -p "${tmp}/ok" "${tmp}/ko" || exit 1
while IFS='\n' read -r line; do
ctype="$(get_element 1 "${line}")"
code="$(get_element 2 "${line}")"
name="$(get_element 3 "${line}")"
host="$(get_element 4 "${line}")"
check "${ctype}" "${host}" "${name}" "${code}" &
Add IPv6 support
2021-03-29 18:55:23 +00:00
done < "${checkfile}"
Initial commit
2021-03-27 22:27:40 +00:00
wait
cat << EOF
Add charset and viewport tags
2021-03-29 06:13:47 +00:00
<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no"><title>${title}</title><style>
Initial commit
2021-03-27 22:27:40 +00:00
body { font-family: segoe ui,Roboto,Oxygen-Sans,Ubuntu,Cantarell,helvetica neue,Verdana,sans-serif; }
h1 { margin-top: 30px; }
ul { padding: 0px; }
li { list-style: none; margin-bottom: 2px; padding: 5px; border-bottom: 1px solid #ddd; }
.container { max-width: 600px; width: 100%; margin: 15px auto; }
.panel { text-align: center; padding: 10px; border: 0px; border-radius: 5px; }
.failed-bg { color: white; background-color: #E25D6A; }
.success-bg { color: white; background-color: #52B86A; }
.failed { color: #E25D6A; }
.success { color: #52B86A; }
.small { font-size: 80%; }
.status { float: right; }
</style></head>
<body>
<div class='container'>
<h1>Global status</h1>
EOF
outagenb=$(find ${tmp}/ko -mindepth 1 | grep -c 'status$')
if [ ${outagenb} -ne 0 ]; then
echo "<ul><li class='panel failed-bg'>${outagenb} Outage(s)</li></ul>"
Add success-based exit code
2021-03-29 14:58:19 +00:00
exitcode=1
Initial commit
2021-03-27 22:27:40 +00:00
else
echo "<ul><li class='panel success-bg'>All Systems Operational</li></ul>"
Add success-based exit code
2021-03-29 14:58:19 +00:00
exitcode=0
Initial commit
2021-03-27 22:27:40 +00:00
fi
cat << EOF
<h1>Services</h1>
<ul>
EOF
for file in ${tmp}/ko/*.status; do
[ -e "${file}" ] || continue
Fix variables quotes
2021-03-27 22:34:27 +00:00
name="$(basename "${file}" | sed 's,.status$,,')"
status="$(cat "${file}")"
Initial commit
2021-03-27 22:27:40 +00:00
echo "<li>${name} <span class='small failed'>(${status})</span><span class='status failed'>Disrupted</span></li>"
done
for file in ${tmp}/ok/*.status; do
[ -e "${file}" ] || continue
Fix variables quotes
2021-03-27 22:34:27 +00:00
name="$(basename "${file}" | sed 's,.status$,,')"
Fix small typo "Operationnal"
2021-03-28 21:29:06 +00:00
echo "<li>${name} <span class='status success'>Operational</span></li>"
Initial commit
2021-03-27 22:27:40 +00:00
done
cat << EOF
</ul>
Use ISO8601 date format The manually formatted date string was very close to ISO8601 already, so just it directly. Conforms to standards, is much easier in code (less manual work), and carries timezone information.
2021-03-29 15:01:07 +00:00
<p class=small> Last check: $(date -I'seconds')</p>
Initial commit
2021-03-27 22:27:40 +00:00
EOF
Show incidents only if the file exists
2021-03-28 20:14:08 +00:00
if [ -f "${incidentsfile}" ]; then
echo '<h1>Incidents</h1>'
if [ -s "${incidentsfile}" ]; then
sed 's|^\(.*\)$|<p>\1</p>|' "${incidentsfile}"
else
echo '<p>No incident reported yet ;)</p>'
fi
fi
Initial commit
2021-03-27 22:27:40 +00:00
cat <<EOF
</div>
</body></html>
EOF
Use mktemp for temp dir
2021-03-28 20:20:27 +00:00
rm -r "${tmp}" 2>/dev/null
Initial commit
2021-03-27 22:27:40 +00:00
Add success-based exit code
2021-03-29 14:58:19 +00:00
# Allow the script execution itself to signal success, e.g. for use in healthchecks
exit ${exitcode}