Use go 1.12 for CI builds

Fix golint issues for go1.12

.travis.yml

@@ -1,7 +1,7 @@
 language: go
 
 go:
-  - 1.11
+  - 1.12
 
 services:
   - docker

hack/verify-govet.sh

@@ -1,15 +1,6 @@
 #!/bin/bash
 
-set -o errexit
-set -o nounset
-set -o pipefail
+set -x
 
-find_files() {
-  find . -not \( \
-      \( \
-        -wholename '*/vendor/*' \
-      \) -prune \
-    \) -name '*.go'
-}
-
-find_files | xargs -I@ bash -c "go tool vet @"
+go vet ./pkg/...
+go vet ./cmd/...

pkg/config/config.go

@@ -9,7 +9,7 @@ import (
 )
 
 const (
-	// K8s event types allowed to forward
+	// AllowedEventType K8s event types allowed to forward
 	AllowedEventType = "warning"
 
 	// CreateEvent when resource is created

pkg/controller/controller.go

@@ -119,8 +119,17 @@ func RegisterInformers(c *config.Config) {
 
 				log.Logger.Debugf("Received event: kind:%s ns:%s type:%s", kind, ns, eType)
 				// Filter and forward
-				if (utils.AllowedEventKindsMap[utils.EventKind{kind, "all"}] ||
-					utils.AllowedEventKindsMap[utils.EventKind{kind, ns}]) && eType == config.AllowedEventType {
+				allEvents := utils.EventKind{
+					Resource:  kind,
+					Namespace: "all",
+				}
+
+				nsEvent := utils.EventKind{
+					Resource:  kind,
+					Namespace: ns,
+				}
+				if (utils.AllowedEventKindsMap[allEvents] ||
+					utils.AllowedEventKindsMap[nsEvent]) && eType == config.AllowedEventType {
 					log.Logger.Debugf("Processing add to events: %s. Invoked Object: %s:%s", key, eventObj.InvolvedObject.Kind, eventObj.InvolvedObject.Namespace)
 					sendEvent(obj, c, "events", config.ErrorEvent, err)
 				}

pkg/utils/utils.go

@@ -1,6 +1,7 @@
 package utils
 
 import (
+	"fmt"
 	"os"
 	"strings"
 
@@ -64,7 +65,7 @@ type EventKind struct {
 func createMaps() {
 	botkubeConf, err := config.New()
 	if err != nil {
-		log.Logger.Fatal("Error in loading configuration. Error:%s", err.Error())
+		log.Logger.Fatal(fmt.Sprintf("Error in loading configuration. Error:%s", err.Error()))
 	}
 
 	RtObjectMap = make(map[string]runtime.Object)