Include Go plugin sources in main repository. (#16997)

* Include Go plugin sources in main repository.

* Fix CI issues.

* Rename source tree.

1 files changed, 107 insertions, 0 deletions

diff --git a/src/go/collectors/go.d.plugin/modules/geth/geth.go b/src/go/collectors/go.d.plugin/modules/geth/geth.go
new file mode 100644
index 0000000000..fe6b2bd960
--- /dev/null
+++ b/src/go/collectors/go.d.plugin/modules/geth/geth.go
@@ -0,0 +1,107 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+package geth
+
+import (
+	_ "embed"
+	"errors"
+	"time"
+
+	"github.com/netdata/go.d.plugin/pkg/prometheus"
+	"github.com/netdata/go.d.plugin/pkg/web"
+
+	"github.com/netdata/go.d.plugin/agent/module"
+)
+
+//go:embed "config_schema.json"
+var configSchema string
+
+func init() {
+	module.Register("geth", module.Creator{
+		JobConfigSchema: configSchema,
+		Create:          func() module.Module { return New() },
+	})
+}
+
+func New() *Geth {
+	config := Config{
+		HTTP: web.HTTP{
+			Request: web.Request{
+				URL: "http://127.0.0.1:6060/debug/metrics/prometheus",
+			},
+			Client: web.Client{
+				Timeout: web.Duration{Duration: time.Second},
+			},
+		},
+	}
+
+	return &Geth{
+		Config: config,
+		charts: charts.Copy(),
+	}
+}
+
+type (
+	Config struct {
+		web.HTTP `yaml:",inline"`
+	}
+
+	Geth struct {
+		module.Base
+		Config `yaml:",inline"`
+
+		prom   prometheus.Prometheus
+		charts *Charts
+	}
+)
+
+func (g Geth) validateConfig() error {
+	if g.URL == "" {
+		return errors.New("URL is not set")
+	}
+	return nil
+}
+
+func (g *Geth) initClient() error {
+	client, err := web.NewHTTPClient(g.Client)
+	if err != nil {
+		return err
+	}
+
+	g.prom = prometheus.New(client, g.Request)
+	return nil
+}
+
+func (g *Geth) Init() bool {
+	if err := g.validateConfig(); err != nil {
+		g.Errorf("error on validating config: %g", err)
+		return false
+	}
+	if err := g.initClient(); err != nil {
+		g.Errorf("error on initializing client: %g", err)
+		return false
+	}
+	return true
+}
+
+func (g *Geth) Check() bool {
+	return len(g.Collect()) > 0
+}
+
+func (g *Geth) Charts() *Charts {
+	return g.charts
+}
+
+func (g *Geth) Collect() map[string]int64 {
+	mx, err := g.collect()
+	if err != nil {
+		g.Error(err)
+	}
+
+	if len(mx) == 0 {
+		return nil
+	}
+	return mx
+}
+
+func (Geth) Cleanup() {}