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修复普罗米修斯数据库统计不准确的BUG

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CN-JS-HuiBai
2026-04-10 15:10:52 +08:00
parent a3340cb630
commit 9beba2a306
1 changed files with 25 additions and 33 deletions
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52
server/prometheus-service.js
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@@ -391,25 +391,23 @@ function calculateTrafficFromHistory(values) {
}
/**
* Get total traffic for the past 24h by fetching all points and integrating
* Get total traffic for the past 24h using Prometheus increase() for stability and accuracy
*/
async function get24hTrafficSum(url) {
const now = Math.floor(Date.now() / 1000);
const start = now - 86400;
const step = 60; // 1-minute points for calculation
try {
const [rxResult, txResult] = await Promise.all([
queryRange(url, 'sum(rate(node_network_receive_bytes_total{device!~"lo|veth.*|docker.*|br-.*"}[1m]))', start, now, step).catch(() => []),
queryRange(url, 'sum(rate(node_network_transmit_bytes_total{device!~"lo|veth.*|docker.*|br-.*"}[1m]))', start, now, step).catch(() => [])
query(url, 'sum(increase(node_network_receive_bytes_total{device!~"lo|veth.*|docker.*|br-.*"}[24h]))').catch(() => []),
query(url, 'sum(increase(node_network_transmit_bytes_total{device!~"lo|veth.*|docker.*|br-.*"}[24h]))').catch(() => [])
]);
const rxValues = rxResult.length > 0 ? rxResult[0].values : [];
const txValues = txResult.length > 0 ? txResult[0].values : [];
const rx = rxResult.length > 0 ? parseFloat(rxResult[0].value[1]) : 0;
const tx = txResult.length > 0 ? parseFloat(txResult[0].value[1]) : 0;
return {
rx: calculateTrafficFromHistory(rxValues),
tx: calculateTrafficFromHistory(txValues)
};
return { rx, tx };
} catch (err) {
console.error(`[Prometheus] get24hTrafficSum error:`, err.message);
return { rx: 0, tx: 0 };
}
}
/**
@@ -417,34 +415,28 @@ async function get24hTrafficSum(url) {
*/
async function get24hServerTrafficSum(url, instance, job) {
const node = resolveToken(instance);
const now = Math.floor(Date.now() / 1000);
const start = now - 86400;
const step = 60;
const rxExpr = `sum(rate(node_network_receive_bytes_total{instance="${node}",job="${job}",device!~'tap.*|veth.*|br.*|docker.*|virbr*|podman.*|lo.*|vmbr.*|fwbr.|ip.*|gre.*|virbr.*|vnet.*'}[1m]))`;
const txExpr = `sum(rate(node_network_transmit_bytes_total{instance="${node}",job="${job}",device!~'tap.*|veth.*|br.*|docker.*|virbr*|podman.*|lo.*|vmbr.*|fwbr.|ip.*|gre.*|virbr.*|vnet.*'}[1m]))`;
const rxExpr = `sum(increase(node_network_receive_bytes_total{instance="${node}",job="${job}",device!~'tap.*|veth.*|br.*|docker.*|virbr*|podman.*|lo.*|vmbr.*|fwbr.|ip.*|gre.*|virbr.*|vnet.*'}[24h]))`;
const txExpr = `sum(increase(node_network_transmit_bytes_total{instance="${node}",job="${job}",device!~'tap.*|veth.*|br.*|docker.*|virbr*|podman.*|lo.*|vmbr.*|fwbr.|ip.*|gre.*|virbr.*|vnet.*'}[24h]))`;
const [rxResult, txResult] = await Promise.all([
queryRange(url, rxExpr, start, now, step).catch(() => []),
queryRange(url, txExpr, start, now, step).catch(() => [])
query(url, rxExpr).catch(() => []),
query(url, txExpr).catch(() => [])
]);
const rxValues = rxResult.length > 0 ? rxResult[0].values : [];
const txValues = txResult.length > 0 ? txResult[0].values : [];
const rx = rxResult.length > 0 ? parseFloat(rxResult[0].value[1]) : 0;
const tx = txResult.length > 0 ? parseFloat(txResult[0].value[1]) : 0;
return {
rx: calculateTrafficFromHistory(rxValues),
tx: calculateTrafficFromHistory(txValues)
};
return { rx, tx };
}
/**
* Get network traffic history (past 24h, 5-min intervals for chart)
*/
async function getNetworkHistory(url) {
const now = Math.floor(Date.now() / 1000);
const start = now - 86400; // 24h ago
const step = 300; // 5 minutes for better resolution on chart
const now = Math.floor(Date.now() / 1000 / step) * step; // Sync to step boundary
const start = now - 86400; // 24h ago
const [rxResult, txResult] = await Promise.all([
queryRange(url,
@@ -496,9 +488,9 @@ function mergeNetworkHistories(histories) {
* Get CPU usage history (past 1h, 1-min intervals)
*/
async function getCpuHistory(url) {
const now = Math.floor(Date.now() / 1000);
const start = now - 3600; // 1h ago
const step = 60; // 1 minute
const now = Math.floor(Date.now() / 1000 / step) * step; // Sync to step boundary
const start = now - 3600; // 1h ago
const result = await queryRange(url,
'100 - (avg(rate(node_cpu_seconds_total{mode="idle"}[1m])) * 100)',