94 lines
3.2 KiB
Go
94 lines
3.2 KiB
Go
package kubernetes
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import "time"
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// SummaryMetrics represents all the summary data about a paritcular 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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