94 lines
3.2 KiB
Go
94 lines
3.2 KiB
Go
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package kubernetes
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import "time"
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// summaryMetrics represents all the summary data about a particular node retrieved from a kubelet
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type summaryMetrics struct {
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Node nodeMetrics `json:"node"`
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Pods []podMetrics `json:"pods"`
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}
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// nodeMetrics represents detailed information about a node
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type nodeMetrics struct {
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NodeName string `json:"nodeName"`
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SystemContainers []containerMetrics `json:"systemContainers"`
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StartTime time.Time `json:"startTime"`
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CPU cpuMetrics `json:"cpu"`
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Memory memoryMetrics `json:"memory"`
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Network networkMetrics `json:"network"`
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FileSystem fileSystemMetrics `json:"fs"`
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Runtime runtimeMetrics `json:"runtime"`
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}
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// containerMetrics represents the metric data collect about a container from the kubelet
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type containerMetrics struct {
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Name string `json:"name"`
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StartTime time.Time `json:"startTime"`
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CPU cpuMetrics `json:"cpu"`
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Memory memoryMetrics `json:"memory"`
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RootFS fileSystemMetrics `json:"rootfs"`
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LogsFS fileSystemMetrics `json:"logs"`
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}
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// runtimeMetrics contains metric data on the runtime of the system
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type runtimeMetrics struct {
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ImageFileSystem fileSystemMetrics `json:"imageFs"`
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}
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// cpuMetrics represents the cpu usage data of a pod or node
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type cpuMetrics struct {
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Time time.Time `json:"time"`
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UsageNanoCores int64 `json:"usageNanoCores"`
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UsageCoreNanoSeconds int64 `json:"usageCoreNanoSeconds"`
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}
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// podMetrics contains metric data on a given pod
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type podMetrics struct {
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PodRef podReference `json:"podRef"`
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StartTime *time.Time `json:"startTime"`
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Containers []containerMetrics `json:"containers"`
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Network networkMetrics `json:"network"`
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Volumes []volumeMetrics `json:"volume"`
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}
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// podReference is how a pod is identified
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type podReference struct {
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Name string `json:"name"`
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Namespace string `json:"namespace"`
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}
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// memoryMetrics represents the memory metrics for a pod or node
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type memoryMetrics struct {
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Time time.Time `json:"time"`
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AvailableBytes int64 `json:"availableBytes"`
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UsageBytes int64 `json:"usageBytes"`
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WorkingSetBytes int64 `json:"workingSetBytes"`
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RSSBytes int64 `json:"rssBytes"`
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PageFaults int64 `json:"pageFaults"`
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MajorPageFaults int64 `json:"majorPageFaults"`
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}
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// fileSystemMetrics represents disk usage metrics for a pod or node
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type fileSystemMetrics struct {
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AvailableBytes int64 `json:"availableBytes"`
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CapacityBytes int64 `json:"capacityBytes"`
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UsedBytes int64 `json:"usedBytes"`
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}
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// networkMetrics represents network usage data for a pod or node
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type networkMetrics struct {
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Time time.Time `json:"time"`
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RXBytes int64 `json:"rxBytes"`
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RXErrors int64 `json:"rxErrors"`
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TXBytes int64 `json:"txBytes"`
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TXErrors int64 `json:"txErrors"`
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}
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// volumeMetrics represents the disk usage data for a given volume
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type volumeMetrics struct {
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Name string `json:"name"`
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AvailableBytes int64 `json:"availableBytes"`
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CapacityBytes int64 `json:"capacityBytes"`
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UsedBytes int64 `json:"usedBytes"`
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}
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