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improve uptime calculation

This commit is contained in:
LouisLam 2021-07-06 13:44:33 +08:00
parent d4a651e211
commit ea1556ef81
1 changed files with 40 additions and 17 deletions
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57
server/model/monitor.js
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@ -158,31 +158,54 @@ class Monitor extends BeanModel {
]);
let downtime = 0;
let uptime = 0;
for (let row of downtimeList) {
let value = parseInt(row.duration)
let time = row.time
if (downtimeList.length === 0) {
for (let row of downtimeList) {
let value = parseInt(row.duration)
let time = row.time
// Handle if heartbeat duration longer than the target duration
// e.g. Heartbeat duration = 28hrs, but target duration = 24hrs
if (value <= sec) {
downtime += value;
} else {
let trim = dayjs.utc().diff(dayjs(time), 'second');
// Handle if heartbeat duration longer than the target duration
// e.g. Heartbeat duration = 28hrs, but target duration = 24hrs
if (value <= sec) {
downtime += value;
} else {
let trim = dayjs.utc().diff(dayjs(time), 'second');
value = sec - trim;
value = sec - trim;
if (value < 0) {
value = 0;
if (value < 0) {
value = 0;
}
downtime += value;
}
downtime += value;
}
}
let uptime = (sec - downtime) / sec;
uptime = (sec - downtime) / sec;
if (uptime < 0) {
uptime = 0;
if (uptime < 0) {
uptime = 0;
}
} else {
// This case for someone who are not running UptimeKuma 24x7.
// If there is no heartbeat in this time range, use last heartbeat as reference
// If is down, uptime = 0
// If is up, uptime = 1
let lastHeartbeat = await R.findOne("heartbeat", " monitor_id = ? ORDER BY time DESC", [
monitorID
]);
if (lastHeartbeat) {
if (lastHeartbeat.status === 1) {
uptime = 1;
} else {
uptime = 0;
}
} else {
// No heartbeat is found, assume 100%
uptime = 1;
}
}
io.to(userID).emit("uptime", monitorID, duration, uptime);