346 lines
9.9 KiB
Go
346 lines
9.9 KiB
Go
//go:build windows
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// +build windows
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package collector
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import (
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"github.com/Microsoft/hcsshim"
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"github.com/prometheus-community/windows_exporter/log"
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"github.com/prometheus/client_golang/prometheus"
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)
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func init() {
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registerCollector("container", NewContainerMetricsCollector)
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}
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// A ContainerMetricsCollector is a Prometheus collector for containers metrics
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type ContainerMetricsCollector struct {
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// Presence
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ContainerAvailable *prometheus.Desc
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// Number of containers
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ContainersCount *prometheus.Desc
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// memory
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UsageCommitBytes *prometheus.Desc
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UsageCommitPeakBytes *prometheus.Desc
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UsagePrivateWorkingSetBytes *prometheus.Desc
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// CPU
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RuntimeTotal *prometheus.Desc
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RuntimeUser *prometheus.Desc
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RuntimeKernel *prometheus.Desc
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// Network
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BytesReceived *prometheus.Desc
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BytesSent *prometheus.Desc
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PacketsReceived *prometheus.Desc
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PacketsSent *prometheus.Desc
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DroppedPacketsIncoming *prometheus.Desc
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DroppedPacketsOutgoing *prometheus.Desc
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// Storage
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ReadCountNormalized *prometheus.Desc
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ReadSizeBytes *prometheus.Desc
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WriteCountNormalized *prometheus.Desc
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WriteSizeBytes *prometheus.Desc
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}
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// NewContainerMetricsCollector constructs a new ContainerMetricsCollector
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func NewContainerMetricsCollector() (Collector, error) {
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const subsystem = "container"
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return &ContainerMetricsCollector{
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ContainerAvailable: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "available"),
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"Available",
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[]string{"container_id"},
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nil,
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),
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ContainersCount: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "count"),
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"Number of containers",
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nil,
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nil,
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),
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UsageCommitBytes: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "memory_usage_commit_bytes"),
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"Memory Usage Commit Bytes",
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[]string{"container_id"},
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nil,
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),
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UsageCommitPeakBytes: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "memory_usage_commit_peak_bytes"),
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"Memory Usage Commit Peak Bytes",
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[]string{"container_id"},
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nil,
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),
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UsagePrivateWorkingSetBytes: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "memory_usage_private_working_set_bytes"),
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"Memory Usage Private Working Set Bytes",
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[]string{"container_id"},
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nil,
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),
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RuntimeTotal: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "cpu_usage_seconds_total"),
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"Total Run time in Seconds",
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[]string{"container_id"},
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nil,
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),
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RuntimeUser: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "cpu_usage_seconds_usermode"),
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"Run Time in User mode in Seconds",
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[]string{"container_id"},
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nil,
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),
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RuntimeKernel: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "cpu_usage_seconds_kernelmode"),
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"Run time in Kernel mode in Seconds",
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[]string{"container_id"},
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nil,
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),
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BytesReceived: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "network_receive_bytes_total"),
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"Bytes Received on Interface",
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[]string{"container_id", "interface"},
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nil,
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),
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BytesSent: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "network_transmit_bytes_total"),
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"Bytes Sent on Interface",
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[]string{"container_id", "interface"},
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nil,
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),
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PacketsReceived: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "network_receive_packets_total"),
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"Packets Received on Interface",
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[]string{"container_id", "interface"},
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nil,
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),
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PacketsSent: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "network_transmit_packets_total"),
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"Packets Sent on Interface",
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[]string{"container_id", "interface"},
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nil,
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),
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DroppedPacketsIncoming: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "network_receive_packets_dropped_total"),
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"Dropped Incoming Packets on Interface",
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[]string{"container_id", "interface"},
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nil,
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),
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DroppedPacketsOutgoing: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "network_transmit_packets_dropped_total"),
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"Dropped Outgoing Packets on Interface",
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[]string{"container_id", "interface"},
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nil,
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),
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ReadCountNormalized: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "storage_read_count_normalized_total"),
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"Read Count Normalized",
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[]string{"container_id"},
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nil,
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),
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ReadSizeBytes: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "storage_read_size_bytes_total"),
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"Read Size Bytes",
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[]string{"container_id"},
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nil,
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),
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WriteCountNormalized: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "storage_write_count_normalized_total"),
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"Write Count Normalized",
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[]string{"container_id"},
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nil,
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),
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WriteSizeBytes: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, subsystem, "storage_write_size_bytes_total"),
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"Write Size Bytes",
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[]string{"container_id"},
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nil,
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),
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}, nil
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}
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// Collect sends the metric values for each metric
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// to the provided prometheus Metric channel.
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func (c *ContainerMetricsCollector) Collect(ctx *ScrapeContext, ch chan<- prometheus.Metric) error {
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if desc, err := c.collect(ch); err != nil {
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log.Error("failed collecting ContainerMetricsCollector metrics:", desc, err)
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return err
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}
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return nil
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}
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// containerClose closes the container resource
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func containerClose(c hcsshim.Container) {
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err := c.Close()
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if err != nil {
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log.Error(err)
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}
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}
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func (c *ContainerMetricsCollector) collect(ch chan<- prometheus.Metric) (*prometheus.Desc, error) {
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// Types Container is passed to get the containers compute systems only
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containers, err := hcsshim.GetContainers(hcsshim.ComputeSystemQuery{Types: []string{"Container"}})
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if err != nil {
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log.Error("Err in Getting containers:", err)
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return nil, err
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}
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count := len(containers)
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ch <- prometheus.MustNewConstMetric(
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c.ContainersCount,
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prometheus.GaugeValue,
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float64(count),
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)
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if count == 0 {
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return nil, nil
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}
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for _, containerDetails := range containers {
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container, err := hcsshim.OpenContainer(containerDetails.ID)
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if container != nil {
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defer containerClose(container)
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}
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if err != nil {
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log.Error("err in opening container: ", containerDetails.ID, err)
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continue
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}
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cstats, err := container.Statistics()
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if err != nil {
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log.Error("err in fetching container Statistics: ", containerDetails.ID, err)
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continue
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}
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containerIdWithPrefix := getContainerIdWithPrefix(containerDetails)
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ch <- prometheus.MustNewConstMetric(
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c.ContainerAvailable,
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prometheus.CounterValue,
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1,
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containerIdWithPrefix,
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)
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ch <- prometheus.MustNewConstMetric(
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c.UsageCommitBytes,
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prometheus.GaugeValue,
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float64(cstats.Memory.UsageCommitBytes),
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containerIdWithPrefix,
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)
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ch <- prometheus.MustNewConstMetric(
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c.UsageCommitPeakBytes,
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prometheus.GaugeValue,
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float64(cstats.Memory.UsageCommitPeakBytes),
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containerIdWithPrefix,
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)
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ch <- prometheus.MustNewConstMetric(
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c.UsagePrivateWorkingSetBytes,
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prometheus.GaugeValue,
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float64(cstats.Memory.UsagePrivateWorkingSetBytes),
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containerIdWithPrefix,
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)
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ch <- prometheus.MustNewConstMetric(
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c.RuntimeTotal,
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prometheus.CounterValue,
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float64(cstats.Processor.TotalRuntime100ns)*ticksToSecondsScaleFactor,
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containerIdWithPrefix,
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)
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ch <- prometheus.MustNewConstMetric(
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c.RuntimeUser,
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prometheus.CounterValue,
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float64(cstats.Processor.RuntimeUser100ns)*ticksToSecondsScaleFactor,
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containerIdWithPrefix,
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)
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ch <- prometheus.MustNewConstMetric(
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c.RuntimeKernel,
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prometheus.CounterValue,
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float64(cstats.Processor.RuntimeKernel100ns)*ticksToSecondsScaleFactor,
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containerIdWithPrefix,
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)
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if len(cstats.Network) == 0 {
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log.Info("No Network Stats for container: ", containerDetails.ID)
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continue
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}
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networkStats := cstats.Network
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for _, networkInterface := range networkStats {
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ch <- prometheus.MustNewConstMetric(
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c.BytesReceived,
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prometheus.CounterValue,
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float64(networkInterface.BytesReceived),
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containerIdWithPrefix, networkInterface.EndpointId,
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)
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ch <- prometheus.MustNewConstMetric(
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c.BytesSent,
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prometheus.CounterValue,
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float64(networkInterface.BytesSent),
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containerIdWithPrefix, networkInterface.EndpointId,
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)
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ch <- prometheus.MustNewConstMetric(
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c.PacketsReceived,
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prometheus.CounterValue,
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float64(networkInterface.PacketsReceived),
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containerIdWithPrefix, networkInterface.EndpointId,
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)
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ch <- prometheus.MustNewConstMetric(
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c.PacketsSent,
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prometheus.CounterValue,
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float64(networkInterface.PacketsSent),
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containerIdWithPrefix, networkInterface.EndpointId,
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)
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ch <- prometheus.MustNewConstMetric(
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c.DroppedPacketsIncoming,
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prometheus.CounterValue,
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float64(networkInterface.DroppedPacketsIncoming),
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containerIdWithPrefix, networkInterface.EndpointId,
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)
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ch <- prometheus.MustNewConstMetric(
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c.DroppedPacketsOutgoing,
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prometheus.CounterValue,
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float64(networkInterface.DroppedPacketsOutgoing),
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containerIdWithPrefix, networkInterface.EndpointId,
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)
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break
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}
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ch <- prometheus.MustNewConstMetric(
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c.ReadCountNormalized,
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prometheus.CounterValue,
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float64(cstats.Storage.ReadCountNormalized),
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containerIdWithPrefix,
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)
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ch <- prometheus.MustNewConstMetric(
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c.ReadSizeBytes,
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prometheus.CounterValue,
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float64(cstats.Storage.ReadSizeBytes),
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containerIdWithPrefix,
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)
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ch <- prometheus.MustNewConstMetric(
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c.WriteCountNormalized,
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prometheus.CounterValue,
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float64(cstats.Storage.WriteCountNormalized),
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containerIdWithPrefix,
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)
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ch <- prometheus.MustNewConstMetric(
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c.WriteSizeBytes,
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prometheus.CounterValue,
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float64(cstats.Storage.WriteSizeBytes),
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containerIdWithPrefix,
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)
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}
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return nil, nil
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}
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func getContainerIdWithPrefix(containerDetails hcsshim.ContainerProperties) string {
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switch containerDetails.Owner {
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case "containerd-shim-runhcs-v1.exe":
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return "containerd://" + containerDetails.ID
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default:
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// default to docker or if owner is not set
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return "docker://" + containerDetails.ID
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}
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}
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