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diagnostics.go
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diagnostics.go
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package influxdb
import (
"os"
"runtime"
"time"
"github.com/influxdb/influxdb/influxql"
)
// GoDiagnostics captures basic information about the runtime.
type GoDiagnostics struct {
GoMaxProcs int
NumGoroutine int
Version string
}
// NewGoDiagnostics returns a GoDiagnostics object.
func NewGoDiagnostics() *GoDiagnostics {
return &GoDiagnostics{
GoMaxProcs: runtime.GOMAXPROCS(0),
NumGoroutine: runtime.NumGoroutine(),
Version: runtime.Version(),
}
}
// AsRow returns the GoDiagnostic object as an InfluxQL row.
func (g *GoDiagnostics) AsRow(measurement string, tags map[string]string) *influxql.Row {
return &influxql.Row{
Name: measurement,
Columns: []string{"time", "goMaxProcs", "numGoRoutine", "version"},
Tags: tags,
Values: [][]interface{}{[]interface{}{time.Now().UTC(),
g.GoMaxProcs, g.NumGoroutine, g.Version}},
}
}
// SystemDiagnostics captures basic machine data.
type SystemDiagnostics struct {
Hostname string
PID int
OS string
Arch string
NumCPU int
}
// NewSystemDiagnostics returns a SystemDiagnostics object.
func NewSystemDiagnostics() *SystemDiagnostics {
hostname, err := os.Hostname()
if err != nil {
hostname = "unknown"
}
return &SystemDiagnostics{
Hostname: hostname,
PID: os.Getpid(),
OS: runtime.GOOS,
Arch: runtime.GOARCH,
NumCPU: runtime.NumCPU(),
}
}
// AsRow returns the GoDiagnostic object as an InfluxQL row.
func (s *SystemDiagnostics) AsRow(measurement string, tags map[string]string) *influxql.Row {
return &influxql.Row{
Name: measurement,
Columns: []string{"time", "hostname", "pid", "os", "arch", "numCPU"},
Tags: tags,
Values: [][]interface{}{[]interface{}{time.Now().UTC(),
s.Hostname, s.PID, s.OS, s.Arch, s.NumCPU}},
}
}
// MemoryDiagnostics captures Go memory stats.
type MemoryDiagnostics struct {
Alloc int64
TotalAlloc int64
Sys int64
Lookups int64
Mallocs int64
Frees int64
HeapAlloc int64
HeapSys int64
HeapIdle int64
HeapInUse int64
HeapReleased int64
HeapObjects int64
PauseTotalNs int64
NumGC int64
}
// NewMemoryDiagnostics returns a MemoryDiagnostics object.
func NewMemoryDiagnostics() *MemoryDiagnostics {
var m runtime.MemStats
runtime.ReadMemStats(&m)
return &MemoryDiagnostics{
Alloc: int64(m.Alloc),
TotalAlloc: int64(m.TotalAlloc),
Sys: int64(m.Sys),
Lookups: int64(m.Lookups),
Mallocs: int64(m.Mallocs),
Frees: int64(m.Frees),
HeapAlloc: int64(m.HeapAlloc),
HeapSys: int64(m.HeapSys),
HeapIdle: int64(m.HeapIdle),
HeapInUse: int64(m.HeapInuse),
HeapReleased: int64(m.HeapReleased),
HeapObjects: int64(m.HeapObjects),
PauseTotalNs: int64(m.PauseTotalNs),
NumGC: int64(m.NumGC),
}
}
// AsRow returns the MemoryDiagnostics object as an InfluxQL row.
func (m *MemoryDiagnostics) AsRow(measurement string, tags map[string]string) *influxql.Row {
return &influxql.Row{
Name: measurement,
Columns: []string{"time", "alloc", "totalAlloc", "sys", "lookups", "mallocs", "frees", "heapAlloc",
"heapSys", "heapIdle", "heapInUse", "heapReleased", "heapObjects", "pauseTotalNs", "numGG"},
Tags: tags,
Values: [][]interface{}{[]interface{}{time.Now().UTC(),
m.Alloc, m.TotalAlloc, m.Sys, m.Lookups, m.Mallocs, m.Frees, m.HeapAlloc,
m.HeapSys, m.HeapIdle, m.HeapInUse, m.HeapReleased, m.HeapObjects, m.PauseTotalNs, m.NumGC}},
}
}
// BuildDiagnostics capture basic build version information.
type BuildDiagnostics struct {
Version string
CommitHash string
}
// AsRow returns the BuildDiagnostics object as an InfluxQL row.
func (b *BuildDiagnostics) AsRow(measurement string, tags map[string]string) *influxql.Row {
return &influxql.Row{
Name: measurement,
Columns: []string{"time", "version", "commitHash"},
Tags: tags,
Values: [][]interface{}{[]interface{}{time.Now().UTC(),
b.Version, b.CommitHash}},
}
}