Added ability to install and run on Windows

README.md

@@ -11,6 +11,9 @@ Install the plugin using the built-in plugin manager.
 helm plugin install https://github.com/instrumenta/helm-kubeval
 ```
 
+### Windows
+
+On Windows, you *must* use GitBash to install (since the install script is a ".sh" file)
 
 ## Usage
 

plugin.yaml

@@ -4,6 +4,10 @@ usage: "Validate Helm charts"
 description: |-
   "Validate Helm charts against the Kubernetes schemas"
 command: "$HELM_PLUGIN_DIR/scripts/run.sh"
+platformCommand:
+  - os: windows
+    arch: amd64
+    command: "powershell -File $HELM_PLUGIN_DIR/scripts/run.ps1 $HELM_PLUGIN_DIR"
 
 hooks:
   install: "cd $HELM_PLUGIN_DIR; ./scripts/install.sh"

scripts/install.sh

@@ -4,15 +4,32 @@ cd $HELM_PLUGIN_DIR
 version="$(cat plugin.yaml | grep "version" | cut -d '"' -f 2)"
 echo "Installing helm-kubeval v${version} ..."
 
+unpackCommand="tar xzvf"
+directoryTargetFlag="-C"
+format=".tar.gz"
+arch="-amd64"
 unameOut="$(uname -s)"
 
 case "${unameOut}" in
     Linux*)     os=linux;;
     Darwin*)    os=darwin;;
+    MINGW32*)   
+      os=windows
+      arch="-386"
+      format=".zip"
+      unpackCommand="unzip"
+      directoryTargetFlag="-d"
+      ;;
+    MINGW64*)   
+      os=windows
+      format=".zip"
+      unpackCommand="unzip"
+      directoryTargetFlag="-d"
+      ;;
     *)          os="UNKNOWN:${unameOut}"
 esac
 
-url="https://github.com/instrumenta/kubeval/releases/download/${version}/kubeval-${os}-amd64.tar.gz"
+url="https://github.com/instrumenta/kubeval/releases/download/${version}/kubeval-${os}${arch}${format}"
 
 if [ "$url" = "" ]
 then
@@ -33,7 +50,7 @@ else
     exit -1
 fi
 
-rm -rf bin && mkdir bin && tar xzvf $filename -C bin > /dev/null && rm -f $filename
+rm -rf bin && mkdir bin && $unpackCommand $filename $directoryTargetFlag bin > /dev/null && rm -f $filename
 
 echo "helm-kubeval ${version} is installed."
 echo

scripts/run.ps1

@@ -0,0 +1,37 @@
+$helmOptions=@()
+$kubevalOptions=@()
+$HELM_PLUGIN_DIR="$($args[0])" #This is not getting set when the powershell is called, so we pass it
+$kubevalCommand="$HELM_PLUGIN_DIR\\bin\\kubeval"
+
+# We're going to try and take out the kubeval options from the helm ones
+for ($i=1; $i -lt $args.Length; $i++)
+{
+    $currArg="$($args[$i])"
+
+    switch ("$($args[$i])")
+    {
+        # Kubeval commands
+        { ($_ -eq "--version") -or ($_ -eq "--help")}
+        { 
+            # Just send to kubeval
+            Invoke-Expression "& $kubevalCommand $currArg"
+            exit
+        }
+        {($_ -eq "--strict") -or ($_ -eq "--exit-on-error") -or ($_ -eq "--openshift") -or ($_ -eq "--force-color") -or ($_ -eq "--ignore-missing-schemas")}
+        {
+            $kubevalOptions += "$currArg"
+        }
+        {($_ -eq "--output") -or ($_ -eq "-o") -or ($_ -eq "--kubernetes-version") -or ($_ -eq "-v") -or ($_ -eq "--schema-location") -or ($_ -eq "-s") -or ($_ -eq "--skip-kinds")}
+        {
+            $kubevalOptions += "$currArg"
+            $kubevalOptions += "$($args[$i+1])"
+
+            #Skip the "value"
+            $i++
+        }
+        Default { $helmOptions += "$currArg" }
+    }
+}
+
+# Send it to kubeval
+Invoke-Expression "helm template $helmOptions | $kubevalCommand $kubevalOptions"