VOL-1978 - add golangci invocation and fixed issues it highlighted

Change-Id: I86f438f84e8ab7fae499a163d599b699c472afda
diff --git a/.gitignore b/.gitignore
index b9fff0d..11180da 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,4 @@
 voltctl.cp
 release
 *.log
+sca-report