mirror of
https://github.com/prometheus-community/windows_exporter.git
synced 2026-02-08 05:56:37 +00:00
401 lines
11 KiB
Go
401 lines
11 KiB
Go
//go:build windows
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package container
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import (
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"fmt"
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"strings"
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"github.com/Microsoft/hcsshim"
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"github.com/alecthomas/kingpin/v2"
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"github.com/go-kit/log"
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"github.com/go-kit/log/level"
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"github.com/prometheus-community/windows_exporter/pkg/perflib"
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"github.com/prometheus-community/windows_exporter/pkg/types"
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"github.com/prometheus/client_golang/prometheus"
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)
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const Name = "container"
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type Config struct{}
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var ConfigDefaults = Config{}
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// A collector is a Prometheus collector for containers metrics
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type collector struct {
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logger log.Logger
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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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// New constructs a new collector
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func New(logger log.Logger, _ *Config) types.Collector {
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c := &collector{}
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c.SetLogger(logger)
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return c
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}
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func NewWithFlags(_ *kingpin.Application) types.Collector {
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return &collector{}
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}
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func (c *collector) GetName() string {
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return Name
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}
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func (c *collector) SetLogger(logger log.Logger) {
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c.logger = log.With(logger, "collector", Name)
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}
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func (c *collector) GetPerfCounter() ([]string, error) {
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return []string{}, nil
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}
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func (c *collector) Build() error {
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c.ContainerAvailable = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "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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c.ContainersCount = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "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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c.UsageCommitBytes = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "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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c.UsageCommitPeakBytes = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "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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c.UsagePrivateWorkingSetBytes = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "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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c.RuntimeTotal = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "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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c.RuntimeUser = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "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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c.RuntimeKernel = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "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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c.BytesReceived = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "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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c.BytesSent = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "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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c.PacketsReceived = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "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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c.PacketsSent = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "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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c.DroppedPacketsIncoming = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "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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c.DroppedPacketsOutgoing = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "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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c.ReadCountNormalized = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "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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c.ReadSizeBytes = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "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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c.WriteCountNormalized = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "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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c.WriteSizeBytes = prometheus.NewDesc(
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prometheus.BuildFQName(types.Namespace, Name, "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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return 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 *collector) Collect(_ *types.ScrapeContext, ch chan<- prometheus.Metric) error {
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if desc, err := c.collect(ch); err != nil {
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_ = level.Error(c.logger).Log("msg", "failed collecting collector metrics", "desc", desc, "err", 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 (c *collector) containerClose(container hcsshim.Container) {
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err := container.Close()
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if err != nil {
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_ = level.Error(c.logger).Log("err", err)
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}
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}
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func (c *collector) 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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_ = level.Error(c.logger).Log("msg", "Err in Getting containers", "err", 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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containerPrefixes := make(map[string]string)
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for _, containerDetails := range containers {
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// https://stackoverflow.com/questions/45617758/proper-way-to-release-resources-with-defer-in-a-loop
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func() {
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container, err := hcsshim.OpenContainer(containerDetails.ID)
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if container != nil {
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defer c.containerClose(container)
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}
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if err != nil {
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_ = level.Error(c.logger).Log("msg", "err in opening container", "containerId", containerDetails.ID, "err", err)
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return
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}
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cstats, err := container.Statistics()
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if err != nil {
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_ = level.Error(c.logger).Log("msg", "err in fetching container Statistics", "containerId", containerDetails.ID, "err", err)
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return
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}
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containerIdWithPrefix := getContainerIdWithPrefix(containerDetails)
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containerPrefixes[containerDetails.ID] = containerIdWithPrefix
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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)*perflib.TicksToSecondScaleFactor,
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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)*perflib.TicksToSecondScaleFactor,
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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)*perflib.TicksToSecondScaleFactor,
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containerIdWithPrefix,
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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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}
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hnsEndpoints, err := hcsshim.HNSListEndpointRequest()
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if err != nil {
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_ = level.Warn(c.logger).Log("msg", "Failed to collect network stats for containers")
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return nil, nil
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}
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if len(hnsEndpoints) == 0 {
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_ = level.Info(c.logger).Log("msg", fmt.Sprintf("No network stats for containers to collect"))
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return nil, nil
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}
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for _, endpoint := range hnsEndpoints {
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endpointStats, err := hcsshim.GetHNSEndpointStats(endpoint.Id)
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if err != nil {
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_ = level.Warn(c.logger).Log("msg", fmt.Sprintf("Failed to collect network stats for interface %s", endpoint.Id), "err", err)
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continue
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}
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for _, containerId := range endpoint.SharedContainers {
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containerIdWithPrefix, ok := containerPrefixes[containerId]
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endpointId := strings.ToUpper(endpoint.Id)
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if !ok {
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_ = level.Warn(c.logger).Log("msg", fmt.Sprintf("Failed to collect network stats for container %s", containerId))
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continue
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}
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ch <- prometheus.MustNewConstMetric(
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c.BytesReceived,
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prometheus.CounterValue,
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float64(endpointStats.BytesReceived),
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containerIdWithPrefix, 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(endpointStats.BytesSent),
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containerIdWithPrefix, 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(endpointStats.PacketsReceived),
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containerIdWithPrefix, 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(endpointStats.PacketsSent),
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containerIdWithPrefix, 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(endpointStats.DroppedPacketsIncoming),
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containerIdWithPrefix, 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(endpointStats.DroppedPacketsOutgoing),
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containerIdWithPrefix, endpointId,
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)
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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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