mirror of
https://github.com/k3s-io/kubernetes.git
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Move deps from _workspace/ to vendor/
godep restore pushd $GOPATH/src/github.com/appc/spec git co master popd go get go4.org/errorutil rm -rf Godeps godep save ./... git add vendor git add -f $(git ls-files --other vendor/) git co -- Godeps/LICENSES Godeps/.license_file_state Godeps/OWNERS
This commit is contained in:
Tim Hockin
611
vendor/github.com/google/cadvisor/metrics/prometheus.go
generated
vendored
Normal file
611
vendor/github.com/google/cadvisor/metrics/prometheus.go
generated
vendored
Normal file
@@ -0,0 +1,611 @@
|
||||
// Copyright 2014 Google Inc. All Rights Reserved.
|
||||
//
|
||||
// Licensed under the Apache License, Version 2.0 (the "License");
|
||||
// you may not use this file except in compliance with the License.
|
||||
// You may obtain a copy of the License at
|
||||
//
|
||||
// http://www.apache.org/licenses/LICENSE-2.0
|
||||
//
|
||||
// Unless required by applicable law or agreed to in writing, software
|
||||
// distributed under the License is distributed on an "AS IS" BASIS,
|
||||
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
// See the License for the specific language governing permissions and
|
||||
// limitations under the License.
|
||||
|
||||
package metrics
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"regexp"
|
||||
"time"
|
||||
|
||||
info "github.com/google/cadvisor/info/v1"
|
||||
|
||||
"github.com/golang/glog"
|
||||
"github.com/prometheus/client_golang/prometheus"
|
||||
)
|
||||
|
||||
// This will usually be manager.Manager, but can be swapped out for testing.
|
||||
type infoProvider interface {
|
||||
// Get information about all subcontainers of the specified container (includes self).
|
||||
SubcontainersInfo(containerName string, query *info.ContainerInfoRequest) ([]*info.ContainerInfo, error)
|
||||
// Get information about the version.
|
||||
GetVersionInfo() (*info.VersionInfo, error)
|
||||
// Get information about the machine.
|
||||
GetMachineInfo() (*info.MachineInfo, error)
|
||||
}
|
||||
|
||||
// metricValue describes a single metric value for a given set of label values
|
||||
// within a parent containerMetric.
|
||||
type metricValue struct {
|
||||
value float64
|
||||
labels []string
|
||||
}
|
||||
|
||||
type metricValues []metricValue
|
||||
|
||||
// fsValues is a helper method for assembling per-filesystem stats.
|
||||
func fsValues(fsStats []info.FsStats, valueFn func(*info.FsStats) float64) metricValues {
|
||||
values := make(metricValues, 0, len(fsStats))
|
||||
for _, stat := range fsStats {
|
||||
values = append(values, metricValue{
|
||||
value: valueFn(&stat),
|
||||
labels: []string{stat.Device},
|
||||
})
|
||||
}
|
||||
return values
|
||||
}
|
||||
|
||||
// A containerMetric describes a multi-dimensional metric used for exposing
|
||||
// a certain type of container statistic.
|
||||
type containerMetric struct {
|
||||
name string
|
||||
help string
|
||||
valueType prometheus.ValueType
|
||||
extraLabels []string
|
||||
getValues func(s *info.ContainerStats) metricValues
|
||||
}
|
||||
|
||||
func (cm *containerMetric) desc(baseLabels []string) *prometheus.Desc {
|
||||
return prometheus.NewDesc(cm.name, cm.help, append(baseLabels, cm.extraLabels...), nil)
|
||||
}
|
||||
|
||||
type ContainerNameToLabelsFunc func(containerName string) map[string]string
|
||||
|
||||
// PrometheusCollector implements prometheus.Collector.
|
||||
type PrometheusCollector struct {
|
||||
infoProvider infoProvider
|
||||
errors prometheus.Gauge
|
||||
containerMetrics []containerMetric
|
||||
containerNameToLabels ContainerNameToLabelsFunc
|
||||
}
|
||||
|
||||
// NewPrometheusCollector returns a new PrometheusCollector.
|
||||
func NewPrometheusCollector(infoProvider infoProvider, f ContainerNameToLabelsFunc) *PrometheusCollector {
|
||||
c := &PrometheusCollector{
|
||||
infoProvider: infoProvider,
|
||||
containerNameToLabels: f,
|
||||
errors: prometheus.NewGauge(prometheus.GaugeOpts{
|
||||
Namespace: "container",
|
||||
Name: "scrape_error",
|
||||
Help: "1 if there was an error while getting container metrics, 0 otherwise",
|
||||
}),
|
||||
containerMetrics: []containerMetric{
|
||||
{
|
||||
name: "container_last_seen",
|
||||
help: "Last time a container was seen by the exporter",
|
||||
valueType: prometheus.GaugeValue,
|
||||
getValues: func(s *info.ContainerStats) metricValues {
|
||||
return metricValues{{value: float64(time.Now().Unix())}}
|
||||
},
|
||||
}, {
|
||||
name: "container_cpu_user_seconds_total",
|
||||
help: "Cumulative user cpu time consumed in seconds.",
|
||||
valueType: prometheus.CounterValue,
|
||||
getValues: func(s *info.ContainerStats) metricValues {
|
||||
return metricValues{{value: float64(s.Cpu.Usage.User) / float64(time.Second)}}
|
||||
},
|
||||
}, {
|
||||
name: "container_cpu_system_seconds_total",
|
||||
help: "Cumulative system cpu time consumed in seconds.",
|
||||
valueType: prometheus.CounterValue,
|
||||
getValues: func(s *info.ContainerStats) metricValues {
|
||||
return metricValues{{value: float64(s.Cpu.Usage.System) / float64(time.Second)}}
|
||||
},
|
||||
}, {
|
||||
name: "container_cpu_usage_seconds_total",
|
||||
help: "Cumulative cpu time consumed per cpu in seconds.",
|
||||
valueType: prometheus.CounterValue,
|
||||
extraLabels: []string{"cpu"},
|
||||
getValues: func(s *info.ContainerStats) metricValues {
|
||||
values := make(metricValues, 0, len(s.Cpu.Usage.PerCpu))
|
||||
for i, value := range s.Cpu.Usage.PerCpu {
|
||||
values = append(values, metricValue{
|
||||
value: float64(value) / float64(time.Second),
|
||||
labels: []string{fmt.Sprintf("cpu%02d", i)},
|
||||
})
|
||||
}
|
||||
return values
|
||||
},
|
||||
}, {
|
||||
name: "container_memory_cache",
|
||||
help: "Number of bytes of page cache memory.",
|
||||
valueType: prometheus.GaugeValue,
|
||||
getValues: func(s *info.ContainerStats) metricValues {
|
||||
return metricValues{{value: float64(s.Memory.Cache)}}
|
||||
},
|
||||
}, {
|
||||
name: "container_memory_rss",
|
||||
help: "Size of RSS in bytes.",
|
||||
valueType: prometheus.GaugeValue,
|
||||
getValues: func(s *info.ContainerStats) metricValues {
|
||||
return metricValues{{value: float64(s.Memory.RSS)}}
|
||||
},
|
||||
}, {
|
||||
name: "container_memory_failcnt",
|
||||
help: "Number of memory usage hits limits",
|
||||
valueType: prometheus.CounterValue,
|
||||
getValues: func(s *info.ContainerStats) metricValues {
|
||||
return metricValues{{value: float64(s.Memory.Failcnt)}}
|
||||
},
|
||||
}, {
|
||||
name: "container_memory_usage_bytes",
|
||||
help: "Current memory usage in bytes.",
|
||||
valueType: prometheus.GaugeValue,
|
||||
getValues: func(s *info.ContainerStats) metricValues {
|
||||
return metricValues{{value: float64(s.Memory.Usage)}}
|
||||
},
|
||||
}, {
|
||||
name: "container_memory_working_set_bytes",
|
||||
help: "Current working set in bytes.",
|
||||
valueType: prometheus.GaugeValue,
|
||||
getValues: func(s *info.ContainerStats) metricValues {
|
||||
return metricValues{{value: float64(s.Memory.WorkingSet)}}
|
||||
},
|
||||
}, {
|
||||
name: "container_memory_failures_total",
|
||||
help: "Cumulative count of memory allocation failures.",
|
||||
valueType: prometheus.CounterValue,
|
||||
extraLabels: []string{"type", "scope"},
|
||||
getValues: func(s *info.ContainerStats) metricValues {
|
||||
return metricValues{
|
||||
{
|
||||
value: float64(s.Memory.ContainerData.Pgfault),
|
||||
labels: []string{"pgfault", "container"},
|
||||
},
|
||||
{
|
||||
value: float64(s.Memory.ContainerData.Pgmajfault),
|
||||
labels: []string{"pgmajfault", "container"},
|
||||
},
|
||||
{
|
||||
value: float64(s.Memory.HierarchicalData.Pgfault),
|
||||
labels: []string{"pgfault", "hierarchy"},
|
||||
},
|
||||
{
|
||||
value: float64(s.Memory.HierarchicalData.Pgmajfault),
|
||||
labels: []string{"pgmajfault", "hierarchy"},
|
||||
},
|
||||
}
|
||||
},
|
||||
}, {
|
||||
name: "container_fs_limit_bytes",
|
||||
help: "Number of bytes that can be consumed by the container on this filesystem.",
|
||||
valueType: prometheus.GaugeValue,
|
||||
extraLabels: []string{"device"},
|
||||
getValues: func(s *info.ContainerStats) metricValues {
|
||||
return fsValues(s.Filesystem, func(fs *info.FsStats) float64 {
|
||||
return float64(fs.Limit)
|
||||
})
|
||||
},
|
||||
}, {
|
||||
name: "container_fs_usage_bytes",
|
||||
help: "Number of bytes that are consumed by the container on this filesystem.",
|
||||
valueType: prometheus.GaugeValue,
|
||||
extraLabels: []string{"device"},
|
||||
getValues: func(s *info.ContainerStats) metricValues {
|
||||
return fsValues(s.Filesystem, func(fs *info.FsStats) float64 {
|
||||
return float64(fs.Usage)
|
||||
})
|
||||
},
|
||||
}, {
|
||||
name: "container_fs_reads_total",
|
||||
help: "Cumulative count of reads completed",
|
||||
valueType: prometheus.CounterValue,
|
||||
extraLabels: []string{"device"},
|
||||
getValues: func(s *info.ContainerStats) metricValues {
|
||||
return fsValues(s.Filesystem, func(fs *info.FsStats) float64 {
|
||||
return float64(fs.ReadsCompleted)
|
||||
})
|
||||
},
|
||||
}, {
|
||||
name: "container_fs_sector_reads_total",
|
||||
help: "Cumulative count of sector reads completed",
|
||||
valueType: prometheus.CounterValue,
|
||||
extraLabels: []string{"device"},
|
||||
getValues: func(s *info.ContainerStats) metricValues {
|
||||
return fsValues(s.Filesystem, func(fs *info.FsStats) float64 {
|
||||
return float64(fs.SectorsRead)
|
||||
})
|
||||
},
|
||||
}, {
|
||||
name: "container_fs_reads_merged_total",
|
||||
help: "Cumulative count of reads merged",
|
||||
valueType: prometheus.CounterValue,
|
||||
extraLabels: []string{"device"},
|
||||
getValues: func(s *info.ContainerStats) metricValues {
|
||||
return fsValues(s.Filesystem, func(fs *info.FsStats) float64 {
|
||||
return float64(fs.ReadsMerged)
|
||||
})
|
||||
},
|
||||
}, {
|
||||
name: "container_fs_read_seconds_total",
|
||||
help: "Cumulative count of seconds spent reading",
|
||||
valueType: prometheus.CounterValue,
|
||||
extraLabels: []string{"device"},
|
||||
getValues: func(s *info.ContainerStats) metricValues {
|
||||
return fsValues(s.Filesystem, func(fs *info.FsStats) float64 {
|
||||
return float64(fs.ReadTime) / float64(time.Second)
|
||||
})
|
||||
},
|
||||
}, {
|
||||
name: "container_fs_writes_total",
|
||||
help: "Cumulative count of writes completed",
|
||||
valueType: prometheus.CounterValue,
|
||||
extraLabels: []string{"device"},
|
||||
getValues: func(s *info.ContainerStats) metricValues {
|
||||
return fsValues(s.Filesystem, func(fs *info.FsStats) float64 {
|
||||
return float64(fs.WritesCompleted)
|
||||
})
|
||||
},
|
||||
}, {
|
||||
name: "container_fs_sector_writes_total",
|
||||
help: "Cumulative count of sector writes completed",
|
||||
valueType: prometheus.CounterValue,
|
||||
extraLabels: []string{"device"},
|
||||
getValues: func(s *info.ContainerStats) metricValues {
|
||||
return fsValues(s.Filesystem, func(fs *info.FsStats) float64 {
|
||||
return float64(fs.SectorsWritten)
|
||||
})
|
||||
},
|
||||
}, {
|
||||
name: "container_fs_writes_merged_total",
|
||||
help: "Cumulative count of writes merged",
|
||||
valueType: prometheus.CounterValue,
|
||||
extraLabels: []string{"device"},
|
||||
getValues: func(s *info.ContainerStats) metricValues {
|
||||
return fsValues(s.Filesystem, func(fs *info.FsStats) float64 {
|
||||
return float64(fs.WritesMerged)
|
||||
})
|
||||
},
|
||||
}, {
|
||||
name: "container_fs_write_seconds_total",
|
||||
help: "Cumulative count of seconds spent writing",
|
||||
valueType: prometheus.CounterValue,
|
||||
extraLabels: []string{"device"},
|
||||
getValues: func(s *info.ContainerStats) metricValues {
|
||||
return fsValues(s.Filesystem, func(fs *info.FsStats) float64 {
|
||||
return float64(fs.WriteTime) / float64(time.Second)
|
||||
})
|
||||
},
|
||||
}, {
|
||||
name: "container_fs_io_current",
|
||||
help: "Number of I/Os currently in progress",
|
||||
valueType: prometheus.GaugeValue,
|
||||
extraLabels: []string{"device"},
|
||||
getValues: func(s *info.ContainerStats) metricValues {
|
||||
return fsValues(s.Filesystem, func(fs *info.FsStats) float64 {
|
||||
return float64(fs.IoInProgress)
|
||||
})
|
||||
},
|
||||
}, {
|
||||
name: "container_fs_io_time_seconds_total",
|
||||
help: "Cumulative count of seconds spent doing I/Os",
|
||||
valueType: prometheus.CounterValue,
|
||||
extraLabels: []string{"device"},
|
||||
getValues: func(s *info.ContainerStats) metricValues {
|
||||
return fsValues(s.Filesystem, func(fs *info.FsStats) float64 {
|
||||
return float64(float64(fs.IoTime) / float64(time.Second))
|
||||
})
|
||||
},
|
||||
}, {
|
||||
name: "container_fs_io_time_weighted_seconds_total",
|
||||
help: "Cumulative weighted I/O time in seconds",
|
||||
valueType: prometheus.CounterValue,
|
||||
extraLabels: []string{"device"},
|
||||
getValues: func(s *info.ContainerStats) metricValues {
|
||||
return fsValues(s.Filesystem, func(fs *info.FsStats) float64 {
|
||||
return float64(fs.WeightedIoTime) / float64(time.Second)
|
||||
})
|
||||
},
|
||||
}, {
|
||||
name: "container_network_receive_bytes_total",
|
||||
help: "Cumulative count of bytes received",
|
||||
valueType: prometheus.CounterValue,
|
||||
extraLabels: []string{"interface"},
|
||||
getValues: func(s *info.ContainerStats) metricValues {
|
||||
values := make(metricValues, 0, len(s.Network.Interfaces))
|
||||
for _, value := range s.Network.Interfaces {
|
||||
values = append(values, metricValue{
|
||||
value: float64(value.RxBytes),
|
||||
labels: []string{value.Name},
|
||||
})
|
||||
}
|
||||
return values
|
||||
},
|
||||
}, {
|
||||
name: "container_network_receive_packets_total",
|
||||
help: "Cumulative count of packets received",
|
||||
valueType: prometheus.CounterValue,
|
||||
extraLabels: []string{"interface"},
|
||||
getValues: func(s *info.ContainerStats) metricValues {
|
||||
values := make(metricValues, 0, len(s.Network.Interfaces))
|
||||
for _, value := range s.Network.Interfaces {
|
||||
values = append(values, metricValue{
|
||||
value: float64(value.RxPackets),
|
||||
labels: []string{value.Name},
|
||||
})
|
||||
}
|
||||
return values
|
||||
},
|
||||
}, {
|
||||
name: "container_network_receive_packets_dropped_total",
|
||||
help: "Cumulative count of packets dropped while receiving",
|
||||
valueType: prometheus.CounterValue,
|
||||
extraLabels: []string{"interface"},
|
||||
getValues: func(s *info.ContainerStats) metricValues {
|
||||
values := make(metricValues, 0, len(s.Network.Interfaces))
|
||||
for _, value := range s.Network.Interfaces {
|
||||
values = append(values, metricValue{
|
||||
value: float64(value.RxDropped),
|
||||
labels: []string{value.Name},
|
||||
})
|
||||
}
|
||||
return values
|
||||
},
|
||||
}, {
|
||||
name: "container_network_receive_errors_total",
|
||||
help: "Cumulative count of errors encountered while receiving",
|
||||
valueType: prometheus.CounterValue,
|
||||
extraLabels: []string{"interface"},
|
||||
getValues: func(s *info.ContainerStats) metricValues {
|
||||
values := make(metricValues, 0, len(s.Network.Interfaces))
|
||||
for _, value := range s.Network.Interfaces {
|
||||
values = append(values, metricValue{
|
||||
value: float64(value.RxErrors),
|
||||
labels: []string{value.Name},
|
||||
})
|
||||
}
|
||||
return values
|
||||
},
|
||||
}, {
|
||||
name: "container_network_transmit_bytes_total",
|
||||
help: "Cumulative count of bytes transmitted",
|
||||
valueType: prometheus.CounterValue,
|
||||
extraLabels: []string{"interface"},
|
||||
getValues: func(s *info.ContainerStats) metricValues {
|
||||
values := make(metricValues, 0, len(s.Network.Interfaces))
|
||||
for _, value := range s.Network.Interfaces {
|
||||
values = append(values, metricValue{
|
||||
value: float64(value.TxBytes),
|
||||
labels: []string{value.Name},
|
||||
})
|
||||
}
|
||||
return values
|
||||
},
|
||||
}, {
|
||||
name: "container_network_transmit_packets_total",
|
||||
help: "Cumulative count of packets transmitted",
|
||||
valueType: prometheus.CounterValue,
|
||||
extraLabels: []string{"interface"},
|
||||
getValues: func(s *info.ContainerStats) metricValues {
|
||||
values := make(metricValues, 0, len(s.Network.Interfaces))
|
||||
for _, value := range s.Network.Interfaces {
|
||||
values = append(values, metricValue{
|
||||
value: float64(value.TxPackets),
|
||||
labels: []string{value.Name},
|
||||
})
|
||||
}
|
||||
return values
|
||||
},
|
||||
}, {
|
||||
name: "container_network_transmit_packets_dropped_total",
|
||||
help: "Cumulative count of packets dropped while transmitting",
|
||||
valueType: prometheus.CounterValue,
|
||||
extraLabels: []string{"interface"},
|
||||
getValues: func(s *info.ContainerStats) metricValues {
|
||||
values := make(metricValues, 0, len(s.Network.Interfaces))
|
||||
for _, value := range s.Network.Interfaces {
|
||||
values = append(values, metricValue{
|
||||
value: float64(value.TxDropped),
|
||||
labels: []string{value.Name},
|
||||
})
|
||||
}
|
||||
return values
|
||||
},
|
||||
}, {
|
||||
name: "container_network_transmit_errors_total",
|
||||
help: "Cumulative count of errors encountered while transmitting",
|
||||
valueType: prometheus.CounterValue,
|
||||
extraLabels: []string{"interface"},
|
||||
getValues: func(s *info.ContainerStats) metricValues {
|
||||
values := make(metricValues, 0, len(s.Network.Interfaces))
|
||||
for _, value := range s.Network.Interfaces {
|
||||
values = append(values, metricValue{
|
||||
value: float64(value.TxErrors),
|
||||
labels: []string{value.Name},
|
||||
})
|
||||
}
|
||||
return values
|
||||
},
|
||||
}, {
|
||||
name: "container_tasks_state",
|
||||
help: "Number of tasks in given state",
|
||||
extraLabels: []string{"state"},
|
||||
valueType: prometheus.GaugeValue,
|
||||
getValues: func(s *info.ContainerStats) metricValues {
|
||||
return metricValues{
|
||||
{
|
||||
value: float64(s.TaskStats.NrSleeping),
|
||||
labels: []string{"sleeping"},
|
||||
},
|
||||
{
|
||||
value: float64(s.TaskStats.NrRunning),
|
||||
labels: []string{"running"},
|
||||
},
|
||||
{
|
||||
value: float64(s.TaskStats.NrStopped),
|
||||
labels: []string{"stopped"},
|
||||
},
|
||||
{
|
||||
value: float64(s.TaskStats.NrUninterruptible),
|
||||
labels: []string{"uninterruptible"},
|
||||
},
|
||||
{
|
||||
value: float64(s.TaskStats.NrIoWait),
|
||||
labels: []string{"iowaiting"},
|
||||
},
|
||||
}
|
||||
},
|
||||
},
|
||||
},
|
||||
}
|
||||
return c
|
||||
}
|
||||
|
||||
var (
|
||||
versionInfoDesc = prometheus.NewDesc("cadvisor_version_info", "A metric with a constant '1' value labeled by kernel version, OS version, docker version, cadvisor version & cadvisor revision.", []string{"kernelVersion", "osVersion", "dockerVersion", "cadvisorVersion", "cadvisorRevision"}, nil)
|
||||
machineInfoCoresDesc = prometheus.NewDesc("machine_cpu_cores", "Number of CPU cores on the machine.", nil, nil)
|
||||
machineInfoMemoryDesc = prometheus.NewDesc("machine_memory_bytes", "Amount of memory installed on the machine.", nil, nil)
|
||||
)
|
||||
|
||||
// Describe describes all the metrics ever exported by cadvisor. It
|
||||
// implements prometheus.PrometheusCollector.
|
||||
func (c *PrometheusCollector) Describe(ch chan<- *prometheus.Desc) {
|
||||
c.errors.Describe(ch)
|
||||
for _, cm := range c.containerMetrics {
|
||||
ch <- cm.desc([]string{})
|
||||
}
|
||||
ch <- versionInfoDesc
|
||||
ch <- machineInfoCoresDesc
|
||||
ch <- machineInfoMemoryDesc
|
||||
}
|
||||
|
||||
// Collect fetches the stats from all containers and delivers them as
|
||||
// Prometheus metrics. It implements prometheus.PrometheusCollector.
|
||||
func (c *PrometheusCollector) Collect(ch chan<- prometheus.Metric) {
|
||||
c.collectMachineInfo(ch)
|
||||
c.collectVersionInfo(ch)
|
||||
c.collectContainersInfo(ch)
|
||||
c.errors.Collect(ch)
|
||||
}
|
||||
|
||||
func (c *PrometheusCollector) collectContainersInfo(ch chan<- prometheus.Metric) {
|
||||
containers, err := c.infoProvider.SubcontainersInfo("/", &info.ContainerInfoRequest{NumStats: 1})
|
||||
if err != nil {
|
||||
c.errors.Set(1)
|
||||
glog.Warningf("Couldn't get containers: %s", err)
|
||||
return
|
||||
}
|
||||
for _, container := range containers {
|
||||
baseLabels := []string{"id"}
|
||||
id := container.Name
|
||||
name := id
|
||||
if len(container.Aliases) > 0 {
|
||||
name = container.Aliases[0]
|
||||
baseLabels = append(baseLabels, "name")
|
||||
}
|
||||
image := container.Spec.Image
|
||||
if len(image) > 0 {
|
||||
baseLabels = append(baseLabels, "image")
|
||||
}
|
||||
baseLabelValues := []string{id, name, image}[:len(baseLabels)]
|
||||
|
||||
if c.containerNameToLabels != nil {
|
||||
newLabels := c.containerNameToLabels(name)
|
||||
for k, v := range newLabels {
|
||||
baseLabels = append(baseLabels, sanitizeLabelName(k))
|
||||
baseLabelValues = append(baseLabelValues, v)
|
||||
}
|
||||
}
|
||||
|
||||
for k, v := range container.Spec.Labels {
|
||||
baseLabels = append(baseLabels, sanitizeLabelName(k))
|
||||
baseLabelValues = append(baseLabelValues, v)
|
||||
}
|
||||
for k, v := range container.Spec.Envs {
|
||||
baseLabels = append(baseLabels, sanitizeLabelName(k))
|
||||
baseLabelValues = append(baseLabelValues, v)
|
||||
}
|
||||
|
||||
// Container spec
|
||||
desc := prometheus.NewDesc("container_start_time_seconds", "Start time of the container since unix epoch in seconds.", baseLabels, nil)
|
||||
ch <- prometheus.MustNewConstMetric(desc, prometheus.GaugeValue, float64(container.Spec.CreationTime.Unix()), baseLabelValues...)
|
||||
|
||||
if container.Spec.HasCpu {
|
||||
desc = prometheus.NewDesc("container_spec_cpu_period", "CPU period of the container.", baseLabels, nil)
|
||||
ch <- prometheus.MustNewConstMetric(desc, prometheus.GaugeValue, float64(container.Spec.Cpu.Period), baseLabelValues...)
|
||||
if container.Spec.Cpu.Quota != 0 {
|
||||
desc = prometheus.NewDesc("container_spec_cpu_quota", "CPU quota of the container.", baseLabels, nil)
|
||||
ch <- prometheus.MustNewConstMetric(desc, prometheus.GaugeValue, float64(container.Spec.Cpu.Quota), baseLabelValues...)
|
||||
}
|
||||
desc := prometheus.NewDesc("container_spec_cpu_shares", "CPU share of the container.", baseLabels, nil)
|
||||
ch <- prometheus.MustNewConstMetric(desc, prometheus.GaugeValue, float64(container.Spec.Cpu.Limit), baseLabelValues...)
|
||||
|
||||
}
|
||||
if container.Spec.HasMemory {
|
||||
desc := prometheus.NewDesc("container_spec_memory_limit_bytes", "Memory limit for the container.", baseLabels, nil)
|
||||
ch <- prometheus.MustNewConstMetric(desc, prometheus.GaugeValue, specMemoryValue(container.Spec.Memory.Limit), baseLabelValues...)
|
||||
desc = prometheus.NewDesc("container_spec_memory_swap_limit_bytes", "Memory swap limit for the container.", baseLabels, nil)
|
||||
ch <- prometheus.MustNewConstMetric(desc, prometheus.GaugeValue, specMemoryValue(container.Spec.Memory.SwapLimit), baseLabelValues...)
|
||||
}
|
||||
|
||||
// Now for the actual metrics
|
||||
stats := container.Stats[0]
|
||||
for _, cm := range c.containerMetrics {
|
||||
desc := cm.desc(baseLabels)
|
||||
for _, metricValue := range cm.getValues(stats) {
|
||||
ch <- prometheus.MustNewConstMetric(desc, cm.valueType, float64(metricValue.value), append(baseLabelValues, metricValue.labels...)...)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (c *PrometheusCollector) collectVersionInfo(ch chan<- prometheus.Metric) {
|
||||
versionInfo, err := c.infoProvider.GetVersionInfo()
|
||||
if err != nil {
|
||||
c.errors.Set(1)
|
||||
glog.Warningf("Couldn't get version info: %s", err)
|
||||
return
|
||||
}
|
||||
ch <- prometheus.MustNewConstMetric(versionInfoDesc, prometheus.GaugeValue, 1, []string{versionInfo.KernelVersion, versionInfo.ContainerOsVersion, versionInfo.DockerVersion, versionInfo.CadvisorVersion, versionInfo.CadvisorRevision}...)
|
||||
}
|
||||
|
||||
func (c *PrometheusCollector) collectMachineInfo(ch chan<- prometheus.Metric) {
|
||||
machineInfo, err := c.infoProvider.GetMachineInfo()
|
||||
if err != nil {
|
||||
c.errors.Set(1)
|
||||
glog.Warningf("Couldn't get machine info: %s", err)
|
||||
return
|
||||
}
|
||||
ch <- prometheus.MustNewConstMetric(machineInfoCoresDesc, prometheus.GaugeValue, float64(machineInfo.NumCores))
|
||||
ch <- prometheus.MustNewConstMetric(machineInfoMemoryDesc, prometheus.GaugeValue, float64(machineInfo.MemoryCapacity))
|
||||
}
|
||||
|
||||
// Size after which we consider memory to be "unlimited". This is not
|
||||
// MaxInt64 due to rounding by the kernel.
|
||||
const maxMemorySize = uint64(1 << 62)
|
||||
|
||||
func specMemoryValue(v uint64) float64 {
|
||||
if v > maxMemorySize {
|
||||
return 0
|
||||
}
|
||||
return float64(v)
|
||||
}
|
||||
|
||||
var invalidLabelCharRE = regexp.MustCompile(`[^a-zA-Z0-9_]`)
|
||||
|
||||
// sanitizeLabelName replaces anything that doesn't match
|
||||
// client_label.LabelNameRE with an underscore.
|
||||
func sanitizeLabelName(name string) string {
|
||||
return invalidLabelCharRE.ReplaceAllString(name, "_")
|
||||
}
|
||||
Reference in New Issue
Block a user