my own modifications, part 1

src/smq/config/config.go

@@ -0,0 +1,47 @@
+package config
+
+import (
+	"encoding/json"
+	"os"
+  "log"
+)
+
+type OIDTopicObject struct {
+	OID   string `json:"oid"`
+	Label string `json:"label"`
+  Diff string `json:"diff"`
+}
+
+// SNMPEndpointObject is the SNMP Endpoint definition
+type SNMPEndpointObject struct {
+	Endpoint  string           `json:"endpoint"`
+	Label     string           `json:"label"`
+	Community string           `json:"community"`
+	OIDTopics []OIDTopicObject `json:"oidTopics"`
+}
+
+type MQTTConfigObject struct {
+  Broker string `json:"broker"`
+  Username string `json:"username"`
+  Password string `json:"password"`
+  TlsEnable string `json:"tlsEnable"`
+  Topic string `json:"topic"`
+}
+
+type ConfigObject struct {
+  Mqtt MQTTConfigObject `json:"mqtt"`  
+  Interval int `json:"interval"`
+	SNMPEndpoints []SNMPEndpointObject `json:"snmpEndpoints"`
+}
+
+var Config ConfigObject
+
+func LoadConfiguration() {
+  cfg := os.Getenv("SNMP_MQTT_CONF")
+  log.Printf("cfg: %s", cfg)
+  err := json.Unmarshal([]byte(cfg), &Config)
+  if err != nil {
+    log.Fatalf("Unable to parse configuration: %v", err)
+  }
+}
+