From b485aab7e71c1625cfc27e0f92c9509f42378458 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 5 May 2024 13:19:16 +0200
Subject: Adding upstream version 1.45.3+dfsg.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../go.d.plugin/modules/logstash/logstash.go       | 113 +++++++++++++++++++++
 1 file changed, 113 insertions(+)
 create mode 100644 src/go/collectors/go.d.plugin/modules/logstash/logstash.go

(limited to 'src/go/collectors/go.d.plugin/modules/logstash/logstash.go')

diff --git a/src/go/collectors/go.d.plugin/modules/logstash/logstash.go b/src/go/collectors/go.d.plugin/modules/logstash/logstash.go
new file mode 100644
index 000000000..b4869d672
--- /dev/null
+++ b/src/go/collectors/go.d.plugin/modules/logstash/logstash.go
@@ -0,0 +1,113 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+package logstash
+
+import (
+	_ "embed"
+	"errors"
+	"net/http"
+	"time"
+
+	"github.com/netdata/netdata/go/go.d.plugin/agent/module"
+	"github.com/netdata/netdata/go/go.d.plugin/pkg/web"
+)
+
+//go:embed "config_schema.json"
+var configSchema string
+
+func init() {
+	module.Register("logstash", module.Creator{
+		JobConfigSchema: configSchema,
+		Create:          func() module.Module { return New() },
+	})
+}
+
+func New() *Logstash {
+	return &Logstash{
+		Config: Config{
+			HTTP: web.HTTP{
+				Request: web.Request{
+					URL: "http://localhost:9600",
+				},
+				Client: web.Client{
+					Timeout: web.Duration(time.Second),
+				},
+			},
+		},
+		charts:    charts.Copy(),
+		pipelines: make(map[string]bool),
+	}
+}
+
+type Config struct {
+	web.HTTP    `yaml:",inline" json:""`
+	UpdateEvery int `yaml:"update_every" json:"update_every"`
+}
+
+type Logstash struct {
+	module.Base
+	Config `yaml:",inline" json:""`
+
+	charts *module.Charts
+
+	httpClient *http.Client
+
+	pipelines map[string]bool
+}
+
+func (l *Logstash) Configuration() any {
+	return l.Config
+}
+
+func (l *Logstash) Init() error {
+	if l.URL == "" {
+		l.Error("config validation: 'url' cannot be empty")
+		return errors.New("url not set")
+	}
+
+	httpClient, err := web.NewHTTPClient(l.Client)
+	if err != nil {
+		l.Errorf("init HTTP client: %v", err)
+		return err
+	}
+	l.httpClient = httpClient
+
+	l.Debugf("using URL %s", l.URL)
+	l.Debugf("using timeout: %s", l.Timeout.Duration())
+
+	return nil
+}
+
+func (l *Logstash) Check() error {
+	mx, err := l.collect()
+	if err != nil {
+		l.Error(err)
+		return err
+	}
+	if len(mx) == 0 {
+		return errors.New("no metrics collected")
+	}
+	return nil
+}
+
+func (l *Logstash) Charts() *module.Charts {
+	return l.charts
+}
+
+func (l *Logstash) Collect() map[string]int64 {
+	mx, err := l.collect()
+	if err != nil {
+		l.Error(err)
+	}
+
+	if len(mx) == 0 {
+		return nil
+	}
+	return mx
+}
+
+func (l *Logstash) Cleanup() {
+	if l.httpClient != nil {
+		l.httpClient.CloseIdleConnections()
+	}
+}
-- 
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