Adding upstream version 1.34.4.

Signed-off-by: Daniel Baumann <daniel@debian.org>

plugins/inputs/win_wmi/win_wmi.go

@@ -0,0 +1,78 @@
+//go:generate ../../../tools/readme_config_includer/generator
+//go:build windows
+
+package win_wmi
+
+import (
+	_ "embed"
+	"fmt"
+	"sync"
+
+	"github.com/influxdata/telegraf"
+	"github.com/influxdata/telegraf/config"
+	"github.com/influxdata/telegraf/plugins/inputs"
+)
+
+//go:embed sample.conf
+var sampleConfig string
+
+// S_FALSE is returned by CoInitializeEx if it was already called on this thread.
+const sFalse = 0x00000001
+
+type Wmi struct {
+	Host     string          `toml:"host"`
+	Username config.Secret   `toml:"username"`
+	Password config.Secret   `toml:"password"`
+	Queries  []query         `toml:"query"`
+	Methods  []method        `toml:"method"`
+	Log      telegraf.Logger `toml:"-"`
+}
+
+func (*Wmi) SampleConfig() string {
+	return sampleConfig
+}
+
+func (w *Wmi) Init() error {
+	for i := range w.Queries {
+		q := &w.Queries[i]
+		if err := q.prepare(w.Host, w.Username, w.Password); err != nil {
+			return fmt.Errorf("preparing query %q failed: %w", q.ClassName, err)
+		}
+	}
+
+	for i := range w.Methods {
+		m := &w.Methods[i]
+		if err := m.prepare(w.Host, w.Username, w.Password); err != nil {
+			return fmt.Errorf("preparing method %q failed: %w", m.Method, err)
+		}
+	}
+
+	return nil
+}
+
+func (w *Wmi) Gather(acc telegraf.Accumulator) error {
+	var wg sync.WaitGroup
+	for _, q := range w.Queries {
+		wg.Add(1)
+		go func(q query) {
+			defer wg.Done()
+			acc.AddError(q.execute(acc))
+		}(q)
+	}
+
+	for _, m := range w.Methods {
+		wg.Add(1)
+		go func(m method) {
+			defer wg.Done()
+			acc.AddError(m.execute(acc))
+		}(m)
+	}
+
+	wg.Wait()
+
+	return nil
+}
+
+func init() {
+	inputs.Add("win_wmi", func() telegraf.Input { return &Wmi{} })
+}