func mkdir(dir *tricorder.DirectorySpec, name string) *tricorder.DirectorySpec {
subdir, err := dir.RegisterDirectory(name)
if err != nil {
panic(err)
}
return subdir
}
func (m *timeMetric) register(dir *tricorder.DirectorySpec,
name, use string) error {
if err := dir.RegisterMetric(name, &m.value, units.None, use); err != nil {
return err
}
return dir.RegisterMetric(name+"-fraction", &m.fraction, units.None,
use+" during last probe interval")
}
func (configuration *Configuration) registerMetrics(
dir *tricorder.DirectorySpec) error {
netDir, err := dir.RegisterDirectory("network")
if err != nil {
return err
}
return configuration.NetworkReaderContext.RegisterMetrics(netDir,
units.Byte, "network speed")
}
func (ctx *ReaderContext) registerMetrics(dir *tricorder.DirectorySpec,
unit units.Unit, description string) error {
err := dir.RegisterMetric("speed", &ctx.maxIOPerSecond, unit, description)
if err != nil {
return err
}
return dir.RegisterMetric("limit", &ctx.speedPercent, units.None,
"percent limit")
}
func (p *ldapconfig) register(dir *tricorder.DirectorySpec) error {
if err := dir.RegisterMetric("healthy", &p.healthy, units.None,
"Is LDAP reachable and configured?"); err != nil {
return err
}
latencyBucketer := tricorder.NewGeometricBucketer(0.1, 10e3)
p.ldapLatencyDistribution = latencyBucketer.NewCumulativeDistribution()
if err := dir.RegisterMetric("latency", p.ldapLatencyDistribution,
units.Millisecond, "LDAP latency"); err != nil {
return err
}
return nil
}
func register(dir *tricorder.DirectorySpec) *prober {
p := new(prober)
if err := p.findGateway(); err != nil {
panic(err)
}
if err := dir.RegisterMetric("gateway-address", &p.gatewayAddress,
units.None, "gateway address"); err != nil {
panic(err)
}
if err := dir.RegisterMetric("gateway-interface", &p.gatewayInterfaceName,
units.None, "gateway interface"); err != nil {
panic(err)
}
latencyBucketer := tricorder.NewGeometricBucketer(0.1, 10e3)
p.gatewayPingTimeDistribution = latencyBucketer.NewDistribution()
if err := dir.RegisterMetric("gateway-ping-time",
p.gatewayPingTimeDistribution,
units.Millisecond, "ping time to gateway"); err != nil {
panic(err)
}
p.gatewayRttDistribution = latencyBucketer.NewDistribution()
if err := dir.RegisterMetric("gateway-rtt", p.gatewayRttDistribution,
units.Millisecond, "round-trip time to gateway"); err != nil {
panic(err)
}
return p
}
func (configuration *Configuration) registerMetrics(
dir *tricorder.DirectorySpec) error {
scannerDir, err := dir.RegisterDirectory("scanner")
if err != nil {
return err
}
err = configuration.FsScanContext.RegisterMetrics(scannerDir)
if err != nil {
return err
}
netDir, err := dir.RegisterDirectory("network")
if err != nil {
return err
}
return configuration.NetworkReaderContext.RegisterMetrics(netDir,
units.BytePerSecond, "network speed")
}
func (p *testprogconfig) register(dir *tricorder.DirectorySpec) error {
if err := dir.RegisterMetric("healthy", &p.healthy,
units.None, "Healthy?"); err != nil {
return err
}
if err := dir.RegisterMetric("exit-code", &p.exitCode,
units.None, "Program exit value"); err != nil {
return err
}
if err := dir.RegisterMetric("exit-error", &p.exitError,
units.None, "Probe exited with error"); err != nil {
return err
}
if err := dir.RegisterMetric("stdout", &p.stdout,
units.None, "Program's stdout"); err != nil {
return err
}
if err := dir.RegisterMetric("stderr", &p.stderr,
units.None, "Program's stderr"); err != nil {
return err
}
return nil
}
func (p *pidconfig) register(dir *tricorder.DirectorySpec) error {
if err := dir.RegisterMetric("healthy", &p.healthy, units.None,
"Is process healthy?"); err != nil {
return err
}
if err := dir.RegisterMetric("pidfile-exists", &p.pidFileExists, units.None,
"Does pidfile exist?"); err != nil {
return err
}
if err := dir.RegisterMetric("pid-exists", &p.pidExists, units.None,
"Does pid exist?"); err != nil {
return err
}
return nil
}
func (p *urlconfig) register(dir *tricorder.DirectorySpec) error {
if err := dir.RegisterMetric("healthy", &p.healthy,
units.None, "Healthy?"); err != nil {
return err
}
if err := dir.RegisterMetric("status-code", &p.statusCode,
units.None, "Status code"); err != nil {
return err
}
if err := dir.RegisterMetric("error", &p.error,
units.None, "Error if any"); err != nil {
return err
}
return nil
}
func (ctx *ReaderContext) registerMetrics(dir *tricorder.DirectorySpec,
unit units.Unit, description string) error {
err := dir.RegisterMetric("speed", &ctx.maxIOPerSecond, unit, description)
if err != nil {
return err
}
err = dir.RegisterMetric("limit", &ctx.speedPercent, units.None,
"percent limit")
if err != nil {
return err
}
ctx.sleepTimeDistribution = sleepBucketer.NewCumulativeDistribution()
return dir.RegisterMetric("sleep-time", ctx.sleepTimeDistribution,
units.Millisecond, "sleep time")
}
func register(dir *tricorder.DirectorySpec) *prober {
p := new(prober)
if err := dir.RegisterMetric("available", &p.available, units.Byte,
"estimate of memory available for applications"); err != nil {
panic(err)
}
if err := dir.RegisterMetric("free", &p.free, units.Byte,
"free memory"); err != nil {
panic(err)
}
if err := dir.RegisterMetric("total", &p.total, units.Byte,
"total memory"); err != nil {
panic(err)
}
return p
}
func register(dir *tricorder.DirectorySpec) *prober {
p := new(prober)
if err := dir.RegisterMetric("1m", &p.oneMinute, units.None,
"load average for the last minute"); err != nil {
panic(err)
}
if err := dir.RegisterMetric("5m", &p.fiveMinutes, units.None,
"load average for the last minute"); err != nil {
panic(err)
}
if err := dir.RegisterMetric("15m", &p.fifteenMinutes, units.None,
"load average for the last minute"); err != nil {
panic(err)
}
return p
}
func (p *prober) registerLoadavg(dir *tricorder.DirectorySpec) error {
dir = mkdir(dir, "loadavg")
if err := dir.RegisterMetric("1m", &p.loadavg.oneMinute, units.None,
"load average for the last minute"); err != nil {
return err
}
if err := dir.RegisterMetric("5m", &p.loadavg.fiveMinutes,
units.None, "load average for the last minute"); err != nil {
return err
}
if err := dir.RegisterMetric("15m", &p.loadavg.fifteenMinutes,
units.None, "load average for the last minute"); err != nil {
return err
}
return nil
}
func register(dir *tricorder.DirectorySpec) *prober {
p := new(prober)
if err := dir.RegisterMetric("hostname", &p.hostname, units.None,
"system hostname"); err != nil {
panic(err)
}
version := getVersion()
if err := dir.RegisterMetric("version/raw", &version, units.None,
"raw kernel version"); err != nil {
panic(err)
}
if err := dir.RegisterMetric("random/entropy-available",
&p.randomEntropyAvailable, units.Byte,
"entropy available for the random number generator"); err != nil {
panic(err)
}
return p
}
func register(dir *tricorder.DirectorySpec) *prober {
p := new(prober)
p.numCpus = getNumCpus()
if p.numCpus > 0 {
if err := dir.RegisterMetric("idle-time", &p.idleTime, units.Second,
"idle time since last boot"); err != nil {
panic(err)
}
}
getNumCpus()
if err := dir.RegisterMetric("time", &p.probeTime, units.None,
"time of last probe"); err != nil {
panic(err)
}
if err := dir.RegisterMetric("uptime", &p.upTime, units.Second,
"time since last boot"); err != nil {
panic(err)
}
return p
}
func (s *Store) registerMetrics(d *tricorder.DirectorySpec) (err error) {
if err = s.supplier.RegisterMetrics(d); err != nil {
return
}
// Allow this store instance to be GCed
maxValuesPerPage := s.supplier.MaxValuesPerPage()
metrics := s.metrics
if err = d.RegisterMetric(
"/pagesPerMetric",
metrics.PagesPerMetricDist,
units.None,
"Number of pages used per metric"); err != nil {
return
}
var primitiveMetrics storePrimitiveMetricsType
storeGroup := tricorder.NewGroup()
storeGroup.RegisterUpdateFunc(func() time.Time {
metrics.Metrics(&primitiveMetrics)
return time.Now()
})
if err = d.RegisterMetricInGroup(
"/pageUtilization",
func() float64 {
metricValueCount := primitiveMetrics.UniqueMetricValueCount
pagesInUseCount := metrics.PagesPerMetricDist.Sum()
metricCount := metrics.PagesPerMetricDist.Count()
extraValueCount := float64(metricValueCount) - float64(metricCount)
return extraValueCount / pagesInUseCount / float64(maxValuesPerPage)
},
storeGroup,
units.None,
"Page utilization 0.0 - 1.0"); err != nil {
return
}
if err = d.RegisterMetricInGroup(
"/metricValueCount",
&primitiveMetrics.UniqueMetricValueCount,
storeGroup,
units.None,
"Number of unique metrics values"); err != nil {
return
}
if err = d.RegisterMetricInGroup(
"/timeSpan",
primitiveMetrics.TimeSpan,
storeGroup,
units.Second,
"Span of time in store"); err != nil {
return
}
if err = d.RegisterMetricInGroup(
"/valuePageCount",
metrics.PagesPerMetricDist.Sum,
storeGroup,
units.None,
"Number of pages used for values."); err != nil {
return
}
if err = d.RegisterMetricInGroup(
"/timestampPageCount",
&primitiveMetrics.TimeStampPageCount,
storeGroup,
units.None,
"Number of pages used for timestamps."); err != nil {
return
}
if err = d.RegisterMetricInGroup(
"/totalPagesInUseCount",
func() int64 {
return primitiveMetrics.TimeStampPageCount + int64(metrics.PagesPerMetricDist.Sum())
},
storeGroup,
units.None,
"Total number of pages used."); err != nil {
return
}
return
}
func (s *pageQueueType) RegisterMetrics(d *tricorder.DirectorySpec) (
err error) {
var queueStats btreepq.PageQueueStats
queueGroup := tricorder.NewGroup()
queueGroup.RegisterUpdateFunc(func() time.Time {
s.PageQueueStats(&queueStats)
return time.Now()
})
if err = d.RegisterMetricInGroup(
"/highPriorityCount",
&queueStats.HighPriorityCount,
queueGroup,
units.None,
"Number of pages in high priority queue"); err != nil {
return
}
if err = d.RegisterMetricInGroup(
"/lowPriorityCount",
&queueStats.LowPriorityCount,
queueGroup,
units.None,
"Number of pages in low priority queue"); err != nil {
return
}
if err = d.RegisterMetricInGroup(
"/totalPages",
queueStats.TotalCount,
queueGroup,
units.None,
"Total number of pages."); err != nil {
return
}
if err = d.RegisterMetricInGroup(
"/nextLowPrioritySeqNo",
&queueStats.NextLowPrioritySeqNo,
queueGroup,
units.None,
"Next seq no in low priority queue, 0 if empty"); err != nil {
return
}
if err = d.RegisterMetricInGroup(
"/nextHighPrioritySeqNo",
&queueStats.NextHighPrioritySeqNo,
queueGroup,
units.None,
"Next seq no in high priority queue, 0 if empty"); err != nil {
return
}
if err = d.RegisterMetricInGroup(
"/endSeqNo",
&queueStats.EndSeqNo,
queueGroup,
units.None,
"All seq no smaller than this. Marks end of both queues."); err != nil {
return
}
if err = d.RegisterMetricInGroup(
"/highPriorityRatio",
queueStats.HighPriorityRatio,
queueGroup,
units.None,
"High priority page ratio"); err != nil {
return
}
if err = d.RegisterMetric(
"/expanding",
s.IsExpanding,
units.None,
"Is page queue expanding."); err != nil {
return
}
if err = d.RegisterMetric(
"/maxValuesPerPage",
&s.valueCountPerPage,
units.None,
"Maximum number ofvalues that can fit in a page."); err != nil {
return
}
if err = d.RegisterMetric(
"/inactiveThreshhold",
&s.inactiveThreshhold,
units.None,
"The ratio of inactive pages needed before they are reclaimed first"); err != nil {
return
}
if err = d.RegisterMetric(
"/btreeDegree",
&s.degree,
units.None,
"The degree of the btrees in the queue"); err != nil {
return
}
return
}
func (m *methodWrapper) registerMetrics(dir *tricorder.DirectorySpec) error {
m.failedCallsDistribution = bucketer.NewCumulativeDistribution()
err := dir.RegisterMetric("failed-call-durations",
m.failedCallsDistribution, units.Millisecond,
"duration of failed calls")
if err != nil {
return err
}
err = dir.RegisterMetric("num-denied-calls", &m.numDeniedCalls,
units.None, "number of denied calls to method")
if err != nil {
return err
}
err = dir.RegisterMetric("num-permitted-calls", &m.numPermittedCalls,
units.None, "number of permitted calls to method")
if err != nil {
return err
}
m.successfulCallsDistribution = bucketer.NewCumulativeDistribution()
err = dir.RegisterMetric("successful-call-durations",
m.successfulCallsDistribution, units.Millisecond,
"duration of successful calls")
if err != nil {
return err
}
if m.plain {
return nil
}
m.failedRRCallsDistribution = bucketer.NewCumulativeDistribution()
err = dir.RegisterMetric("failed-request-reply-call-durations",
m.failedRRCallsDistribution, units.Millisecond,
"duration of failed request-reply calls")
if err != nil {
return err
}
m.successfulRRCallsDistribution = bucketer.NewCumulativeDistribution()
err = dir.RegisterMetric("successful-request-reply-call-durations",
m.successfulRRCallsDistribution, units.Millisecond,
"duration of successful request-reply calls")
if err != nil {
return err
}
return nil
}