windows_exporter/collector/wmi.go

64 lines
1.2 KiB
Go

package collector
import (
"bytes"
"reflect"
"github.com/prometheus/common/log"
)
func className(src interface{}) string {
s := reflect.Indirect(reflect.ValueOf(src))
t := s.Type()
if s.Kind() == reflect.Slice {
t = t.Elem()
}
return t.Name()
}
func queryAll(src interface{}) string {
var b bytes.Buffer
b.WriteString("SELECT * FROM ")
b.WriteString(className(src))
log.Debugf("Generated WMI query %s", b.String())
return b.String()
}
func queryAllForClass(src interface{}, class string) string {
var b bytes.Buffer
b.WriteString("SELECT * FROM ")
b.WriteString(class)
log.Debugf("Generated WMI query %s", b.String())
return b.String()
}
func queryAllWhere(src interface{}, where string) string {
var b bytes.Buffer
b.WriteString("SELECT * FROM ")
b.WriteString(className(src))
if where != "" {
b.WriteString(" WHERE ")
b.WriteString(where)
}
log.Debugf("Generated WMI query %s", b.String())
return b.String()
}
func queryAllForClassWhere(src interface{}, class string, where string) string {
var b bytes.Buffer
b.WriteString("SELECT * FROM ")
b.WriteString(class)
if where != "" {
b.WriteString(" WHERE ")
b.WriteString(where)
}
log.Debugf("Generated WMI query %s", b.String())
return b.String()
}