metrics

Documentation

Index

• Constants
• Variables
• func PrintSample(sample *model.Sample) string
• type ApiServerMetrics
  • func NewApiServerMetrics() ApiServerMetrics
  • func (m *ApiServerMetrics) Equal(o ApiServerMetrics) bool
• type ControllerManagerMetrics
  • func NewControllerManagerMetrics() ControllerManagerMetrics
  • func (m *ControllerManagerMetrics) Equal(o ControllerManagerMetrics) bool
• type KubeletMetrics
  • func GrabKubeletMetricsWithoutProxy(nodeName string) (KubeletMetrics, error)
  • func NewKubeletMetrics() KubeletMetrics
  • func (m *KubeletMetrics) Equal(o KubeletMetrics) bool
• type Metrics
  • func NewMetrics() Metrics
  • func (m *Metrics) Equal(o Metrics) bool
• type MetricsCollection
• type MetricsGrabber
  • func NewMetricsGrabber(c *client.Client, kubelets bool, scheduler bool, controllers bool, ...) (*MetricsGrabber, error)
  • func (g *MetricsGrabber) Grab(unknownMetrics sets.String) (MetricsCollection, error)
  • func (g *MetricsGrabber) GrabFromApiServer(unknownMetrics sets.String) (ApiServerMetrics, error)
  • func (g *MetricsGrabber) GrabFromControllerManager(unknownMetrics sets.String) (ControllerManagerMetrics, error)
  • func (g *MetricsGrabber) GrabFromKubelet(nodeName string) (KubeletMetrics, error)
  • func (g *MetricsGrabber) GrabFromScheduler(unknownMetrics sets.String) (SchedulerMetrics, error)
• type SchedulerMetrics
  • func NewSchedulerMetrics() SchedulerMetrics
  • func (m *SchedulerMetrics) Equal(o SchedulerMetrics) bool

Constants

const (
	ProxyTimeout = 2 * time.Minute
)

Variables

var CommonMetrics = map[string][]string{
	"get_token_count":                          {},
	"get_token_fail_count":                     {},
	"go_gc_duration_seconds":                   {"quantile"},
	"go_gc_duration_seconds_count":             {},
	"go_gc_duration_seconds_sum":               {},
	"go_goroutines":                            {},
	"http_request_duration_microseconds":       {"handler", "quantile"},
	"http_request_duration_microseconds_count": {"handler"},
	"http_request_duration_microseconds_sum":   {"handler"},
	"http_request_size_bytes":                  {"handler", "quantile"},
	"http_request_size_bytes_count":            {"handler"},
	"http_request_size_bytes_sum":              {"handler"},
	"http_requests_total":                      {"handler", "method", "code"},
	"http_response_size_bytes":                 {"handler", "quantile"},
	"http_response_size_bytes_count":           {"handler"},
	"http_response_size_bytes_sum":             {"handler"},
	"kubernetes_build_info":                    {"major", "minor", "gitCommit", "gitTreeState", "gitVersion", "buildDate", "goVersion", "compiler", "platform"},
	"process_cpu_seconds_total":                {},
	"process_max_fds":                          {},
	"process_open_fds":                         {},
	"process_resident_memory_bytes":            {},
	"process_start_time_seconds":               {},
	"process_virtual_memory_bytes":             {},
	"ssh_tunnel_open_count":                    {},
	"ssh_tunnel_open_fail_count":               {},
}

var KnownApiServerMetrics = map[string][]string{
	"apiserver_request_count":                        {"verb", "resource", "client", "contentType", "code"},
	"apiserver_request_latencies_bucket":             {"verb", "resource", "le"},
	"apiserver_request_latencies_count":              {"verb", "resource"},
	"apiserver_request_latencies_sum":                {"verb", "resource"},
	"apiserver_request_latencies_summary":            {"verb", "resource", "quantile"},
	"apiserver_request_latencies_summary_count":      {"verb", "resource"},
	"apiserver_request_latencies_summary_sum":        {"verb", "resource"},
	"authenticated_user_requests":                    {"username"},
	"etcd_helper_cache_entry_count":                  {},
	"etcd_helper_cache_hit_count":                    {},
	"etcd_helper_cache_miss_count":                   {},
	"etcd_request_cache_add_latencies_summary":       {"quantile"},
	"etcd_request_cache_add_latencies_summary_count": {},
	"etcd_request_cache_add_latencies_summary_sum":   {},
	"etcd_request_cache_get_latencies_summary":       {"quantile"},
	"etcd_request_cache_get_latencies_summary_count": {},
	"etcd_request_cache_get_latencies_summary_sum":   {},
	"etcd_request_latencies_summary":                 {"operation", "type", "quantile"},
	"etcd_request_latencies_summary_count":           {"operation", "type"},
	"etcd_request_latencies_summary_sum":             {"operation", "type"},
	"rest_client_request_latency_microseconds":       {"url", "verb", "quantile"},
	"rest_client_request_latency_microseconds_count": {"url", "verb"},
	"rest_client_request_latency_microseconds_sum":   {"url", "verb"},
	"rest_client_request_status_codes":               {"code", "host", "method"},
}

var KnownControllerManagerMetrics = map[string][]string{
	"etcd_helper_cache_entry_count":                  {},
	"etcd_helper_cache_hit_count":                    {},
	"etcd_helper_cache_miss_count":                   {},
	"etcd_request_cache_add_latencies_summary":       {"quantile"},
	"etcd_request_cache_add_latencies_summary_count": {},
	"etcd_request_cache_add_latencies_summary_sum":   {},
	"etcd_request_cache_get_latencies_summary":       {"quantile"},
	"etcd_request_cache_get_latencies_summary_count": {},
	"etcd_request_cache_get_latencies_summary_sum":   {},
	"get_token_count":                                {},
	"get_token_fail_count":                           {},
	"rest_client_request_latency_microseconds":       {"url", "verb", "quantile"},
	"rest_client_request_latency_microseconds_count": {"url", "verb"},
	"rest_client_request_latency_microseconds_sum":   {"url", "verb"},
	"rest_client_request_status_codes":               {"method", "code", "host"},
	"pv_recycler_controller_rate_limiter_use":        {},
	"node_controller_rate_limiter_use":               {},
	"serviceaccount_controller_rate_limiter_use":     {},
	"route_controller_rate_limiter_use":              {},
	"resource_quota_controller_rate_limiter_use":     {},
	"replenishment_controller_rate_limiter_use":      {},
	"job_controller_rate_limiter_use":                {},
	"gc_controller_rate_limiter_use":                 {},
	"endpoint_controller_rate_limiter_use":           {},
	"replication_controller_rate_limiter_use":        {},
	"replicaset_controller_rate_limiter_use":         {},
	"deployment_controller_rate_limiter_use":         {},
	"service_controller_rate_limiter_use":            {},
	"pv_claim_binder_controller_rate_limiter_use":    {},
	"namespace_controller_rate_limiter_use":          {},
	"daemon_controller_rate_limiter_use":             {},
}

var KnownSchedulerMetrics = map[string][]string{
	"rest_client_request_latency_microseconds":                   {"url", "verb", "quantile"},
	"rest_client_request_latency_microseconds_count":             {"url", "verb"},
	"rest_client_request_latency_microseconds_sum":               {"url", "verb"},
	"rest_client_request_status_codes":                           {"code", "host", "method"},
	"scheduler_binding_latency_microseconds_bucket":              {"le"},
	"scheduler_binding_latency_microseconds_count":               {},
	"scheduler_binding_latency_microseconds_sum":                 {},
	"scheduler_e2e_scheduling_latency_microseconds_bucket":       {"le"},
	"scheduler_e2e_scheduling_latency_microseconds_count":        {},
	"scheduler_e2e_scheduling_latency_microseconds_sum":          {},
	"scheduler_scheduling_algorithm_latency_microseconds_bucket": {"le"},
	"scheduler_scheduling_algorithm_latency_microseconds_count":  {},
	"scheduler_scheduling_algorithm_latency_microseconds_sum":    {},
}

var KubeletMetricsLabelsToSkip = sets.NewString(
	"kubernetes_namespace",
	"image",
	"name",
)

var NecessaryKubeletMetrics = map[string][]string{
	"cadvisor_version_info":                                  {"cadvisorRevision", "cadvisorVersion", "dockerVersion", "kernelVersion", "osVersion"},
	"container_cpu_system_seconds_total":                     {"id", "image", "kubernetes_container_name", "kubernetes_namespace", "kubernetes_pod_name", "name"},
	"container_cpu_usage_seconds_total":                      {"id", "image", "kubernetes_container_name", "kubernetes_namespace", "kubernetes_pod_name", "name", "cpu"},
	"container_cpu_user_seconds_total":                       {"id", "image", "kubernetes_container_name", "kubernetes_namespace", "kubernetes_pod_name", "name"},
	"container_fs_io_current":                                {"device", "id", "image", "kubernetes_container_name", "kubernetes_namespace", "kubernetes_pod_name", "name"},
	"container_fs_io_time_seconds_total":                     {"device", "id", "image", "kubernetes_container_name", "kubernetes_namespace", "kubernetes_pod_name", "name"},
	"container_fs_io_time_weighted_seconds_total":            {"device", "id", "image", "kubernetes_container_name", "kubernetes_namespace", "kubernetes_pod_name", "name"},
	"container_fs_limit_bytes":                               {"device", "id", "image", "kubernetes_container_name", "kubernetes_namespace", "kubernetes_pod_name", "name"},
	"container_fs_read_seconds_total":                        {"device", "id", "image", "kubernetes_container_name", "kubernetes_namespace", "kubernetes_pod_name", "name"},
	"container_fs_reads_merged_total":                        {"device", "id", "image", "kubernetes_container_name", "kubernetes_namespace", "kubernetes_pod_name", "name"},
	"container_fs_reads_total":                               {"device", "id", "image", "kubernetes_container_name", "kubernetes_namespace", "kubernetes_pod_name", "name"},
	"container_fs_sector_reads_total":                        {"device", "id", "image", "kubernetes_container_name", "kubernetes_namespace", "kubernetes_pod_name", "name"},
	"container_fs_sector_writes_total":                       {"device", "id", "image", "kubernetes_container_name", "kubernetes_namespace", "kubernetes_pod_name", "name"},
	"container_fs_usage_bytes":                               {"device", "id", "image", "kubernetes_container_name", "kubernetes_namespace", "kubernetes_pod_name", "name"},
	"container_fs_write_seconds_total":                       {"device", "id", "image", "kubernetes_container_name", "kubernetes_namespace", "kubernetes_pod_name", "name"},
	"container_fs_writes_merged_total":                       {"device", "id", "image", "kubernetes_container_name", "kubernetes_namespace", "kubernetes_pod_name", "name"},
	"container_fs_writes_total":                              {"device", "id", "image", "kubernetes_container_name", "kubernetes_namespace", "kubernetes_pod_name", "name"},
	"container_last_seen":                                    {"id", "image", "kubernetes_container_name", "kubernetes_namespace", "kubernetes_pod_name", "name"},
	"container_memory_cache":                                 {},
	"container_memory_rss":                                   {},
	"container_memory_failcnt":                               {"id", "image", "kubernetes_container_name", "kubernetes_namespace", "kubernetes_pod_name", "name"},
	"container_memory_failures_total":                        {"id", "image", "kubernetes_container_name", "kubernetes_namespace", "kubernetes_pod_name", "name", "scope", "type"},
	"container_memory_usage_bytes":                           {"id", "image", "kubernetes_container_name", "kubernetes_namespace", "kubernetes_pod_name", "name"},
	"container_memory_working_set_bytes":                     {"id", "image", "kubernetes_container_name", "kubernetes_namespace", "kubernetes_pod_name", "name"},
	"container_network_receive_bytes_total":                  {"id", "interface", "image", "kubernetes_container_name", "kubernetes_namespace", "kubernetes_pod_name", "name"},
	"container_network_receive_errors_total":                 {"id", "image", "interface", "kubernetes_container_name", "kubernetes_namespace", "kubernetes_pod_name", "name"},
	"container_network_receive_packets_dropped_total":        {"id", "image", "interface", "kubernetes_container_name", "kubernetes_namespace", "kubernetes_pod_name", "name"},
	"container_network_receive_packets_total":                {"id", "image", "interface", "kubernetes_container_name", "kubernetes_namespace", "kubernetes_pod_name", "name"},
	"container_network_transmit_bytes_total":                 {"id", "interface", "image", "kubernetes_container_name", "kubernetes_namespace", "kubernetes_pod_name", "name"},
	"container_network_transmit_errors_total":                {"id", "interface", "image", "kubernetes_container_name", "kubernetes_namespace", "kubernetes_pod_name", "name"},
	"container_network_transmit_packets_dropped_total":       {"id", "interface", "image", "kubernetes_container_name", "kubernetes_namespace", "kubernetes_pod_name", "name"},
	"container_network_transmit_packets_total":               {"id", "interface", "image", "kubernetes_container_name", "kubernetes_namespace", "kubernetes_pod_name", "name"},
	"container_scrape_error":                                 {},
	"container_spec_cpu_period":                              {"id", "image", "kubernetes_container_name", "kubernetes_namespace", "kubernetes_pod_name", "name"},
	"container_spec_cpu_shares":                              {"id", "image", "kubernetes_container_name", "kubernetes_namespace", "kubernetes_pod_name", "name"},
	"container_spec_memory_limit_bytes":                      {"id", "image", "kubernetes_container_name", "kubernetes_namespace", "kubernetes_pod_name", "name"},
	"container_spec_memory_swap_limit_bytes":                 {"id", "image", "kubernetes_container_name", "kubernetes_namespace", "kubernetes_pod_name", "name"},
	"container_start_time_seconds":                           {"id", "image", "kubernetes_container_name", "kubernetes_namespace", "kubernetes_pod_name", "name"},
	"container_tasks_state":                                  {"id", "image", "kubernetes_container_name", "kubernetes_namespace", "kubernetes_pod_name", "name", "state"},
	"kubelet_container_manager_latency_microseconds":         {"operation_type", "quantile"},
	"kubelet_container_manager_latency_microseconds_count":   {"operation_type"},
	"kubelet_container_manager_latency_microseconds_sum":     {"operation_type"},
	"kubelet_containers_per_pod_count":                       {"quantile"},
	"kubelet_containers_per_pod_count_count":                 {},
	"kubelet_containers_per_pod_count_sum":                   {},
	"kubelet_docker_operations":                              {"operation_type"},
	"kubelet_docker_operations_errors":                       {"operation_type"},
	"kubelet_docker_operations_timeout":                      {"operation_type"},
	"kubelet_docker_operations_latency_microseconds":         {"operation_type", "quantile"},
	"kubelet_docker_operations_latency_microseconds_count":   {"operation_type"},
	"kubelet_docker_operations_latency_microseconds_sum":     {"operation_type"},
	"kubelet_generate_pod_status_latency_microseconds":       {"quantile"},
	"kubelet_generate_pod_status_latency_microseconds_count": {},
	"kubelet_generate_pod_status_latency_microseconds_sum":   {},
	"kubelet_pleg_relist_latency_microseconds":               {"quantile"},
	"kubelet_pleg_relist_latency_microseconds_sum":           {},
	"kubelet_pleg_relist_latency_microseconds_count":         {},
	"kubelet_pleg_relist_interval_microseconds":              {"quantile"},
	"kubelet_pleg_relist_interval_microseconds_sum":          {},
	"kubelet_pleg_relist_interval_microseconds_count":        {},
	"kubelet_pod_start_latency_microseconds":                 {"quantile"},
	"kubelet_pod_start_latency_microseconds_count":           {},
	"kubelet_pod_start_latency_microseconds_sum":             {},
	"kubelet_pod_worker_latency_microseconds":                {"operation_type", "quantile"},
	"kubelet_pod_worker_latency_microseconds_count":          {"operation_type"},
	"kubelet_pod_worker_latency_microseconds_sum":            {"operation_type"},
	"kubelet_pod_worker_start_latency_microseconds":          {"quantile"},
	"kubelet_pod_worker_start_latency_microseconds_count":    {},
	"kubelet_pod_worker_start_latency_microseconds_sum":      {},
	"kubelet_running_container_count":                        {},
	"kubelet_running_pod_count":                              {},
	"kubelet_sync_pods_latency_microseconds":                 {"quantile"},
	"kubelet_sync_pods_latency_microseconds_count":           {},
	"kubelet_sync_pods_latency_microseconds_sum":             {},
	"machine_cpu_cores":                                      {},
	"machine_memory_bytes":                                   {},
	"rest_client_request_latency_microseconds":               {"quantile", "url", "verb"},
	"rest_client_request_latency_microseconds_count":         {"url", "verb"},
	"rest_client_request_latency_microseconds_sum":           {"url", "verb"},
	"rest_client_request_status_codes":                       {"code", "host", "method"},
}

Functions

func PrintSample

func PrintSample(sample *model.Sample) string

Types

type ApiServerMetrics

type ApiServerMetrics Metrics

func NewApiServerMetrics

func NewApiServerMetrics() ApiServerMetrics

func (*ApiServerMetrics) Equal

func (m *ApiServerMetrics) Equal(o ApiServerMetrics) bool

type ControllerManagerMetrics

type ControllerManagerMetrics Metrics

func NewControllerManagerMetrics

func NewControllerManagerMetrics() ControllerManagerMetrics

func (*ControllerManagerMetrics) Equal

func (m *ControllerManagerMetrics) Equal(o ControllerManagerMetrics) bool

type KubeletMetrics

type KubeletMetrics Metrics

func GrabKubeletMetricsWithoutProxy

func GrabKubeletMetricsWithoutProxy(nodeName string) (KubeletMetrics, error)

GrabKubeletMetricsWithoutProxy retrieve metrics from the kubelet on the given node using a simple GET over http. Currently only used in integration tests.

func NewKubeletMetrics

func NewKubeletMetrics() KubeletMetrics

func (*KubeletMetrics) Equal

func (m *KubeletMetrics) Equal(o KubeletMetrics) bool

type Metrics

type Metrics map[string]model.Samples

func NewMetrics

func NewMetrics() Metrics

func (*Metrics) Equal

func (m *Metrics) Equal(o Metrics) bool

type MetricsCollection

type MetricsCollection struct {
	ApiServerMetrics         ApiServerMetrics
	ControllerManagerMetrics ControllerManagerMetrics
	KubeletMetrics           map[string]KubeletMetrics
	SchedulerMetrics         SchedulerMetrics
}

type MetricsGrabber

type MetricsGrabber struct {
	// contains filtered or unexported fields
}

func NewMetricsGrabber

func NewMetricsGrabber(c *client.Client, kubelets bool, scheduler bool, controllers bool, apiServer bool) (*MetricsGrabber, error)

func (*MetricsGrabber) Grab

func (g *MetricsGrabber) Grab(unknownMetrics sets.String) (MetricsCollection, error)

func (*MetricsGrabber) GrabFromApiServer

func (g *MetricsGrabber) GrabFromApiServer(unknownMetrics sets.String) (ApiServerMetrics, error)

func (*MetricsGrabber) GrabFromControllerManager

func (g *MetricsGrabber) GrabFromControllerManager(unknownMetrics sets.String) (ControllerManagerMetrics, error)

func (*MetricsGrabber) GrabFromKubelet

func (g *MetricsGrabber) GrabFromKubelet(nodeName string) (KubeletMetrics, error)

func (*MetricsGrabber) GrabFromScheduler

func (g *MetricsGrabber) GrabFromScheduler(unknownMetrics sets.String) (SchedulerMetrics, error)

type SchedulerMetrics

type SchedulerMetrics Metrics

func NewSchedulerMetrics

func NewSchedulerMetrics() SchedulerMetrics

func (*SchedulerMetrics) Equal

func (m *SchedulerMetrics) Equal(o SchedulerMetrics) bool