Add scan type as option (#27)

* Add scan type as option

* Fix exitCode

* remove all options

* Add default value to scanRef and improve shell

* print args

* fix description.

* More changes

entrypoint.sh

@@ -0,0 +1,68 @@
+#!/bin/bash
+set -e
+while getopts "a:b:c:d:e:f:g:h:i:j:" o; do
+   case "${o}" in
+       a)
+         export scanType=${OPTARG}
+       ;;
+       b)
+         export format=${OPTARG}
+       ;;
+       c)
+         export template=${OPTARG}
+       ;;
+       d)
+         export exitCode=${OPTARG}
+       ;;
+       e)
+         export ignoreUnfixed=${OPTARG}
+       ;;
+       f)
+         export vulnType=${OPTARG}
+       ;;
+       g)
+         export severity=${OPTARG}
+       ;;
+       h)
+         export output=${OPTARG}
+       ;;
+       i)
+         export imageRef=${OPTARG}
+       ;;
+       j)
+         export scanRef=${OPTARG}
+       ;;
+  esac
+done
+
+scanType=$(echo $scanType | tr -d '\r')
+export artifactRef="${imageRef}"
+if [ "${scanType}" = "fs" ];then
+  artifactRef=$(echo $scanRef | tr -d '\r')
+fi
+
+ARGS=""
+if [ $format ];then
+ ARGS="$ARGS --format $format"
+fi
+if [ $template ] ;then
+ ARGS="$ARGS --template $template"
+fi
+if [ $exitCode ];then
+ ARGS="$ARGS --exit-code $exitCode"
+fi
+if [ "$ignoreUnfixed" == "true" ];then
+  ARGS="$ARGS --ignore-unfixed"
+fi
+if [ $vulnType ];then
+  ARGS="$ARGS --vuln-type $vulnType"
+fi
+if [ $severity ];then
+  ARGS="$ARGS --severity $severity"
+fi
+if [ $output ];then
+  ARGS="$ARGS --output $output"
+fi
+
+echo "Runnin trivy with options" "${ARGS}" "${artifactRef}"
+trivy ${scanType} $ARGS ${artifactRef}