Fix golint failures

* Fix golint fails based on the original work from  the user u5surf

* Skip installing Docker as CDP now have one pre-installed (repairs builds on CDP)

pkg/util/config/util.go

@@ -19,6 +19,7 @@ type fieldInfo struct {
 	Field   reflect.Value
 }
 
+// StringTemplate is a convenience alias
 type StringTemplate string
 
 func decoderFrom(field reflect.Value) (d decoder) {
@@ -221,12 +222,14 @@ func getMapPairsFromString(value string) (pairs []string, err error) {
 	return
 }
 
+// Decode cast value to StringTemplate
 func (f *StringTemplate) Decode(value string) error {
 	*f = StringTemplate(value)
 
 	return nil
 }
 
+// Format formatted string from StringTemplate
 func (f *StringTemplate) Format(a ...string) string {
 	res := string(*f)
 
@@ -237,6 +240,7 @@ func (f *StringTemplate) Format(a ...string) string {
 	return res
 }
 
+// MarshalJSON converts a StringTemplate to byte slice
 func (f StringTemplate) MarshalJSON() ([]byte, error) {
 	return json.Marshal(string(f))
 }

pkg/util/retryutil/retry_util.go

@@ -17,8 +17,10 @@ type Ticker struct {
 	ticker *time.Ticker
 }
 
+// Stop is a convenience wrapper around ticker.Stop
 func (t *Ticker) Stop() { t.ticker.Stop() }
 
+// Tick is a convenience wrapper around ticker.C
 func (t *Ticker) Tick() { <-t.ticker.C }
 
 // Retry is a wrapper around RetryWorker that provides a real RetryTicker

pkg/util/teams/teams.go

@@ -43,6 +43,7 @@ type httpClient interface {
 	Do(req *http.Request) (*http.Response, error)
 }
 
+// Interface to the TeamsAPIClient
 type Interface interface {
 	TeamInfo(teamID, token string) (tm *Team, err error)
 }