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Report metrics from system-log-monitor

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This commit is contained in:
Xuewei Zhang
2019-07-12 14:38:21 -07:00
parent 30babe906e
commit fbebcf311b
18 changed files with 1608 additions and 87 deletions
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pkg/systemstatsmonitor/host_collector.go
+12 -25
View File
@@ -17,13 +17,8 @@ limitations under the License.
package systemstatsmonitor
import (
"context"
"github.com/golang/glog"
"github.com/shirou/gopsutil/host"
"go.opencensus.io/stats"
"go.opencensus.io/stats/view"
"go.opencensus.io/tag"
ssmtypes "k8s.io/node-problem-detector/pkg/systemstatsmonitor/types"
"k8s.io/node-problem-detector/pkg/util"
@@ -31,40 +26,35 @@ import (
)
type hostCollector struct {
tags []tag.Mutator
uptime *stats.Int64Measure
tags map[string]string
uptime *metrics.Int64Metric
}
func NewHostCollectorOrDie(hostConfig *ssmtypes.HostStatsConfig) *hostCollector {
hc := hostCollector{}
hc := hostCollector{map[string]string{}, nil}
keyKernelVersion, err := tag.NewKey("kernel_version")
if err != nil {
glog.Fatalf("Failed to create kernel_version tag during initializing host collector: %v", err)
}
kernelVersion, err := host.KernelVersion()
if err != nil {
glog.Fatalf("Failed to retrieve kernel version: %v", err)
}
hc.tags = append(hc.tags, tag.Upsert(keyKernelVersion, kernelVersion))
hc.tags["kernel_version"] = kernelVersion
keyOSVersion, err := tag.NewKey("os_version")
if err != nil {
glog.Fatalf("Failed to create os_version tag during initializing host collector: %v", err)
}
osVersion, err := util.GetOSVersion()
if err != nil {
glog.Fatalf("Failed to retrieve OS version: %v", err)
}
hc.tags = append(hc.tags, tag.Upsert(keyOSVersion, osVersion))
hc.tags["os_version"] = osVersion
if hostConfig.MetricsConfigs["host/uptime"].DisplayName != "" {
hc.uptime = metrics.NewInt64Metric(
hc.uptime, err = metrics.NewInt64Metric(
hostConfig.MetricsConfigs["host/uptime"].DisplayName,
"The uptime of the operating system",
"second",
view.LastValue(),
[]tag.Key{keyKernelVersion, keyOSVersion})
metrics.LastValue,
[]string{"kernel_version", "os_version"})
if err != nil {
glog.Fatalf("Error initializing metric for host/uptime: %v", err)
}
}
return &hc
@@ -82,9 +72,6 @@ func (hc *hostCollector) collect() {
}
if hc.uptime != nil {
err := stats.RecordWithTags(context.Background(), hc.tags, hc.uptime.M(int64(uptime)))
if err != nil {
glog.Errorf("Failed to record current uptime (%d seconds) of the host: %v", uptime, err)
}
hc.uptime.Record(hc.tags, int64(uptime))
}
}