1 files changed, 71 insertions, 0 deletions
diff --git a/src/go/collectors/go.d.plugin/modules/consul/collect_config.go b/src/go/collectors/go.d.plugin/modules/consul/collect_config.go
new file mode 100644
index 000000000..14c77067f
--- /dev/null
+++ b/src/go/collectors/go.d.plugin/modules/consul/collect_config.go
@@ -0,0 +1,71 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+package consul
+
+import (
+	"github.com/blang/semver/v4"
+)
+
+const (
+	// https://developer.hashicorp.com/consul/api-docs/agent#read-configuration
+	urlPathAgentSelf = "/v1/agent/self"
+)
+
+type consulConfig struct {
+	Config struct {
+		Datacenter        string
+		PrimaryDatacenter string
+		NodeName          string
+		NodeID            string
+		Server            bool
+		Version           string
+	}
+	DebugConfig struct {
+		Telemetry struct {
+			MetricsPrefix   string
+			DisableHostname bool
+			PrometheusOpts  struct {
+				Expiration string
+				Name       string
+			}
+		}
+		Cloud struct {
+			AuthURL      string
+			ClientID     string
+			ClientSecret string
+			Hostname     string
+			ResourceID   string
+			ScadaAddress string
+		}
+	}
+	Stats struct {
+		License struct {
+			ID string `json:"id"`
+		} `json:"license"`
+	}
+}
+
+func (c *Consul) collectConfiguration() error {
+	var cfg consulConfig
+
+	if err := c.doOKDecode(urlPathAgentSelf, &cfg); err != nil {
+		return err
+	}
+
+	c.cfg = &cfg
+	c.Debugf("consul config: %+v", cfg)
+
+	if !c.isTelemetryPrometheusEnabled() {
+		c.Warning("export of Prometheus metrics is disabled")
+	}
+
+	ver, err := semver.New(c.cfg.Config.Version)
+	if err != nil {
+		c.Warningf("error on parsing Consul version '%s': %v", c.cfg.Config.Version, err)
+		return nil
+	}
+
+	c.version = ver
+
+	return nil
+}