Merge pull request #5 from jsturtevant/fix-param

fix using custom image

Author: jsturtevant

README.md

@@ -36,3 +36,11 @@ Released with [krew release bot](https://github.com/rajatjindal/krew-release-bot
 
 - https://krew.sigs.k8s.io/docs/developer-guide/testing-locally/
 - https://github.com/rajatjindal/krew-release-bot#testing-the-template-file
+
+## Use as standalone without plugin
+
+You don't have to install this as a plugin via krew.  You can also download and invoke the tool directly:
+
+```bash
+./kubectl-windows-debug <node-name>
+```

kubectl-windows-debug

@@ -1,11 +1,39 @@
 #!/usr/bin/env bash
 
+# default image
 image="ghcr.io/jsturtevant/windows-debug:v0.1.1"
+
+POSITIONAL=()
+while [[ $# -gt 0 ]]
+do
+key="$1"
+
+case $key in
+  -h|--help)
+    echo "Windows node access via kubectl"
+    echo " "
+    echo "kubectl windows-debug [options]"
+    echo " "
+    echo "options:"
+    echo "-h,    --help               Show brief help"
+    echo "-i,    --image              use custom image"
+    exit 0
+    ;;
+  -i | --image)
+  image="$2"
+  shift # past argument
+  shift # past value
+  ;;
+  *)    # unknown option
+  POSITIONAL+=("$1") 
+  shift # past argument
+  ;;
+esac
+done
+set -- "${POSITIONAL[@]}" # restore positional parameters
 nodename="$1"
 
-if [[ "$(basename "$0")" == kubectl-* ]]; then # invoked as plugin
-    echo "Running as plugin"
-fi
+echo "Running on node '$nodename' with image '$image'"
 
 # sometime ns default is empty from this command so default if it is
 namespace=$(kubectl config view --minify --output 'jsonpath={..namespace}')