prometheus/cadvisor
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Merge pull request #214 from vmarmol/ui

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Don't try to draw graphs we don't have data for.
This commit is contained in:
Rohit Jnagal 2014-09-05 09:37:00 -07:00
commit 9c99d76e77
1 changed files with 29 additions and 0 deletions
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29
pages/static/containers_js.go
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@ -63,6 +63,11 @@ function getInterval(current, previous) {
return (cur.getTime() - prev.getTime()) * 1000000; return (cur.getTime() - prev.getTime()) * 1000000;
} }
// Checks if the specified stats include the specified resource.
function hasResource(stats, resource) {
return stats.stats.length > 0 && stats.stats[0][resource];
}
// Draw a gauge. // Draw a gauge.
function drawGauge(elementId, cpuUsage, memoryUsage) { function drawGauge(elementId, cpuUsage, memoryUsage) {
var gauges = [['Label', 'Value']]; var gauges = [['Label', 'Value']];
@ -112,6 +117,10 @@ function getStats(containerName, callback) {
// Draw the graph for CPU usage. // Draw the graph for CPU usage.
function drawCpuTotalUsage(elementId, machineInfo, stats) { function drawCpuTotalUsage(elementId, machineInfo, stats) {
if (!hasResource(stats, "cpu")) {
return;
}
var titles = ["Time", "Total"]; var titles = ["Time", "Total"];
var data = []; var data = [];
for (var i = 1; i < stats.stats.length; i++) { for (var i = 1; i < stats.stats.length; i++) {
@ -129,6 +138,10 @@ function drawCpuTotalUsage(elementId, machineInfo, stats) {
// Draw the graph for per-core CPU usage. // Draw the graph for per-core CPU usage.
function drawCpuPerCoreUsage(elementId, machineInfo, stats) { function drawCpuPerCoreUsage(elementId, machineInfo, stats) {
if (!hasResource(stats, "cpu")) {
return;
}
// Add a title for each core. // Add a title for each core.
var titles = ["Time"]; var titles = ["Time"];
for (var i = 0; i < machineInfo.num_cores; i++) { for (var i = 0; i < machineInfo.num_cores; i++) {
@ -152,6 +165,10 @@ function drawCpuPerCoreUsage(elementId, machineInfo, stats) {
// Draw the graph for CPU usage breakdown. // Draw the graph for CPU usage breakdown.
function drawCpuUsageBreakdown(elementId, containerInfo) { function drawCpuUsageBreakdown(elementId, containerInfo) {
if (!hasResource(containerInfo, "cpu")) {
return;
}
var titles = ["Time", "User", "Kernel"]; var titles = ["Time", "User", "Kernel"];
var data = []; var data = [];
for (var i = 1; i < containerInfo.stats.length; i++) { for (var i = 1; i < containerInfo.stats.length; i++) {
@ -202,6 +219,10 @@ function drawOverallUsage(elementId, machineInfo, containerInfo) {
var oneMegabyte = 1024 * 1024; var oneMegabyte = 1024 * 1024;
function drawMemoryUsage(elementId, containerInfo) { function drawMemoryUsage(elementId, containerInfo) {
if (!hasResource(containerInfo, "memory")) {
return;
}
var titles = ["Time", "Total", "Hot"]; var titles = ["Time", "Total", "Hot"];
var data = []; var data = [];
for (var i = 0; i < containerInfo.stats.length; i++) { for (var i = 0; i < containerInfo.stats.length; i++) {
@ -218,6 +239,10 @@ function drawMemoryUsage(elementId, containerInfo) {
// Draw the graph for network tx/rx bytes. // Draw the graph for network tx/rx bytes.
function drawNetworkBytes(elementId, machineInfo, stats) { function drawNetworkBytes(elementId, machineInfo, stats) {
if (!hasResource(stats, "network")) {
return;
}
var titles = ["Time", "Tx bytes", "Rx bytes"]; var titles = ["Time", "Tx bytes", "Rx bytes"];
var data = []; var data = [];
for (var i = 1; i < stats.stats.length; i++) { for (var i = 1; i < stats.stats.length; i++) {
@ -236,6 +261,10 @@ function drawNetworkBytes(elementId, machineInfo, stats) {
// Draw the graph for network errors // Draw the graph for network errors
function drawNetworkErrors(elementId, machineInfo, stats) { function drawNetworkErrors(elementId, machineInfo, stats) {
if (!hasResource(stats, "network")) {
return;
}
var titles = ["Time", "Tx", "Rx"]; var titles = ["Time", "Tx", "Rx"];
var data = []; var data = [];
for (var i = 1; i < stats.stats.length; i++) { for (var i = 1; i < stats.stats.length; i++) {