1 files changed, 133 insertions, 0 deletions
diff --git a/src/go/collectors/go.d.plugin/modules/couchdb/couchdb.go b/src/go/collectors/go.d.plugin/modules/couchdb/couchdb.go
new file mode 100644
index 000000000..771630000
--- /dev/null
+++ b/src/go/collectors/go.d.plugin/modules/couchdb/couchdb.go
@@ -0,0 +1,133 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+package couchdb
+
+import (
+	_ "embed"
+	"errors"
+	"net/http"
+	"strings"
+	"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("couchdb", module.Creator{
+		JobConfigSchema: configSchema,
+		Defaults: module.Defaults{
+			UpdateEvery: 10,
+		},
+		Create: func() module.Module { return New() },
+	})
+}
+
+func New() *CouchDB {
+	return &CouchDB{
+		Config: Config{
+			HTTP: web.HTTP{
+				Request: web.Request{
+					URL: "http://127.0.0.1:5984",
+				},
+				Client: web.Client{
+					Timeout: web.Duration(time.Second * 2),
+				},
+			},
+			Node: "_local",
+		},
+	}
+}
+
+type Config struct {
+	web.HTTP    `yaml:",inline" json:""`
+	UpdateEvery int    `yaml:"update_every" json:"update_every"`
+	Node        string `yaml:"node" json:"node"`
+	Databases   string `yaml:"databases" json:"databases"`
+}
+
+type CouchDB struct {
+	module.Base
+	Config `yaml:",inline" json:""`
+
+	charts *module.Charts
+
+	httpClient *http.Client
+
+	databases []string
+}
+
+func (cdb *CouchDB) Configuration() any {
+	return cdb.Config
+}
+
+func (cdb *CouchDB) Init() error {
+	err := cdb.validateConfig()
+	if err != nil {
+		cdb.Errorf("check configuration: %v", err)
+		return err
+	}
+
+	cdb.databases = strings.Fields(cdb.Config.Databases)
+
+	httpClient, err := cdb.initHTTPClient()
+	if err != nil {
+		cdb.Errorf("init HTTP client: %v", err)
+		return err
+	}
+	cdb.httpClient = httpClient
+
+	charts, err := cdb.initCharts()
+	if err != nil {
+		cdb.Errorf("init charts: %v", err)
+		return err
+	}
+	cdb.charts = charts
+
+	return nil
+}
+
+func (cdb *CouchDB) Check() error {
+	if err := cdb.pingCouchDB(); err != nil {
+		cdb.Error(err)
+		return err
+	}
+
+	mx, err := cdb.collect()
+	if err != nil {
+		cdb.Error(err)
+		return err
+	}
+
+	if len(mx) == 0 {
+		return errors.New("no metrics collected")
+	}
+
+	return nil
+}
+
+func (cdb *CouchDB) Charts() *Charts {
+	return cdb.charts
+}
+
+func (cdb *CouchDB) Collect() map[string]int64 {
+	mx, err := cdb.collect()
+	if err != nil {
+		cdb.Error(err)
+	}
+
+	if len(mx) == 0 {
+		return nil
+	}
+	return mx
+}
+
+func (cdb *CouchDB) Cleanup() {
+	if cdb.httpClient == nil {
+		return
+	}
+	cdb.httpClient.CloseIdleConnections()
+}