1 files changed, 81 insertions, 0 deletions
diff --git a/src/go/collectors/go.d.plugin/modules/nginxvts/collect.go b/src/go/collectors/go.d.plugin/modules/nginxvts/collect.go
new file mode 100644
index 000000000..c4c389682
--- /dev/null
+++ b/src/go/collectors/go.d.plugin/modules/nginxvts/collect.go
@@ -0,0 +1,81 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+package nginxvts
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+
+	"github.com/netdata/netdata/go/go.d.plugin/pkg/stm"
+	"github.com/netdata/netdata/go/go.d.plugin/pkg/web"
+)
+
+func (vts *NginxVTS) collect() (map[string]int64, error) {
+	ms, err := vts.scapeVTS()
+	if err != nil {
+		return nil, nil
+	}
+
+	collected := make(map[string]interface{})
+	vts.collectMain(collected, ms)
+	vts.collectSharedZones(collected, ms)
+	vts.collectServerZones(collected, ms)
+
+	return stm.ToMap(collected), nil
+}
+
+func (vts *NginxVTS) collectMain(collected map[string]interface{}, ms *vtsMetrics) {
+	collected["uptime"] = (ms.NowMsec - ms.LoadMsec) / 1000
+	collected["connections"] = ms.Connections
+}
+
+func (vts *NginxVTS) collectSharedZones(collected map[string]interface{}, ms *vtsMetrics) {
+	collected["sharedzones"] = ms.SharedZones
+}
+
+func (vts *NginxVTS) collectServerZones(collected map[string]interface{}, ms *vtsMetrics) {
+	if !ms.hasServerZones() {
+		return
+	}
+
+	// "*" means all servers
+	collected["total"] = ms.ServerZones["*"]
+}
+
+func (vts *NginxVTS) scapeVTS() (*vtsMetrics, error) {
+	req, _ := web.NewHTTPRequest(vts.Request)
+
+	var total vtsMetrics
+
+	if err := vts.doOKDecode(req, &total); err != nil {
+		vts.Warning(err)
+		return nil, err
+	}
+	return &total, nil
+}
+
+func (vts *NginxVTS) doOKDecode(req *http.Request, in interface{}) error {
+	resp, err := vts.httpClient.Do(req)
+	if err != nil {
+		return fmt.Errorf("error on HTTP request '%s': %v", req.URL, err)
+	}
+	defer closeBody(resp)
+
+	if resp.StatusCode != http.StatusOK {
+		return fmt.Errorf("'%s' returned HTTP status code: %d", req.URL, resp.StatusCode)
+	}
+
+	if err := json.NewDecoder(resp.Body).Decode(in); err != nil {
+		return fmt.Errorf("error on decoding response from '%s': %v", req.URL, err)
+	}
+	return nil
+}
+
+func closeBody(resp *http.Response) {
+	if resp != nil && resp.Body != nil {
+		_, _ = io.Copy(io.Discard, resp.Body)
+		_ = resp.Body.Close()
+	}
+}