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

* Include Go plugin sources in main repository.

* Fix CI issues.

* Rename source tree.

1 files changed, 99 insertions, 0 deletions

diff --git a/src/go/collectors/go.d.plugin/modules/supervisord/supervisord.go b/src/go/collectors/go.d.plugin/modules/supervisord/supervisord.go
new file mode 100644
index 0000000000..1c99947109
--- /dev/null
+++ b/src/go/collectors/go.d.plugin/modules/supervisord/supervisord.go
@@ -0,0 +1,99 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+package supervisord
+
+import (
+	_ "embed"
+	"time"
+
+	"github.com/netdata/go.d.plugin/agent/module"
+	"github.com/netdata/go.d.plugin/pkg/web"
+)
+
+//go:embed "config_schema.json"
+var configSchema string
+
+func init() {
+	module.Register("supervisord", module.Creator{
+		JobConfigSchema: configSchema,
+		Create:          func() module.Module { return New() },
+	})
+}
+
+func New() *Supervisord {
+	return &Supervisord{
+		Config: Config{
+			URL: "http://127.0.0.1:9001/RPC2",
+			Client: web.Client{
+				Timeout: web.Duration{Duration: time.Second},
+			},
+		},
+
+		charts: summaryCharts.Copy(),
+		cache:  make(map[string]map[string]bool),
+	}
+}
+
+type Config struct {
+	URL        string `yaml:"url"`
+	web.Client `yaml:",inline"`
+}
+
+type (
+	Supervisord struct {
+		module.Base
+		Config `yaml:",inline"`
+
+		client supervisorClient
+		charts *module.Charts
+
+		cache map[string]map[string]bool // map[group][procName]collected
+	}
+	supervisorClient interface {
+		getAllProcessInfo() ([]processStatus, error)
+		closeIdleConnections()
+	}
+)
+
+func (s *Supervisord) Init() bool {
+	err := s.verifyConfig()
+	if err != nil {
+		s.Errorf("verify config: %v", err)
+		return false
+	}
+
+	client, err := s.initSupervisorClient()
+	if err != nil {
+		s.Errorf("init supervisord client: %v", err)
+		return false
+	}
+	s.client = client
+
+	return true
+}
+
+func (s *Supervisord) Check() bool {
+	return len(s.Collect()) > 0
+}
+
+func (s *Supervisord) Charts() *module.Charts {
+	return s.charts
+}
+
+func (s *Supervisord) Collect() map[string]int64 {
+	ms, err := s.collect()
+	if err != nil {
+		s.Error(err)
+	}
+
+	if len(ms) == 0 {
+		return nil
+	}
+	return ms
+}
+
+func (s *Supervisord) Cleanup() {
+	if s.client != nil {
+		s.client.closeIdleConnections()
+	}
+}