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feat(docs): add nodeadm wasm targets to call from docs
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| Original file line number | Diff line number | Diff line change |
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@@ -5,3 +5,4 @@ | |
| .DS_Store | ||
| site/ | ||
| .git-commit | ||
| *.wasm | ||
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,56 @@ | ||
| # Playground | ||
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| This an interactive playground for `nodeadm`'s config parser brought via WebAssembly! | ||
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| You can test out the validity of your EC2 Userdata and see any of the potential | ||
| errors that might happen at runtime. | ||
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| <div> | ||
| <script src="https://cdnjs.cloudflare.com/ajax/libs/ace/1.36.5/ace.min.js" integrity="sha512-NIDAOLuPuewIzUrGoK5fXxowwGDm0DFJhI5TJPyTP6MeY2hUcCSKJr54fecQTEZ8kxxEO2NBrILQSUl4qZ37FA==" crossorigin="anonymous" referrerpolicy="no-referrer"></script> | ||
| <script src="/amazon-eks-ami/assets/javascripts/wasm_exec.js"></script> | ||
| <body> | ||
| <div style="display: grid; margin: auto;"> | ||
| <div id="editor" style="height:50vh"></div> | ||
| <textarea readonly style="height:15vh" id="response"></textarea> | ||
| </div> | ||
| </body> | ||
| <script> | ||
| const go = new Go(); | ||
| WebAssembly.instantiateStreaming(fetch("/amazon-eks-ami/assets/wasm/nodeadm.wasm"), go.importObject).then((result) => { | ||
| go.run(result.instance); | ||
| }); | ||
| const editor = ace.edit("editor", { | ||
| useWorker: false | ||
| }); | ||
| editor.setTheme("ace/theme/monokai"); | ||
| editor.session.setValue(` | ||
| MIME-Version: 1.0 | ||
| Content-Type: multipart/mixed; boundary="BOUNDARY" | ||
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| --BOUNDARY | ||
| Content-Type: application/node.eks.aws | ||
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| --- | ||
| apiVersion: node.eks.aws/v1alpha1 | ||
| kind: NodeConfig | ||
| spec: | ||
| cluster: | ||
| name: my-cluster | ||
| apiServerEndpoint: https://example.com | ||
| certificateAuthority: Y2VydGlmaWNhdGVBdXRob3JpdHk= | ||
| cidr: 10.100.0.0/16 | ||
| kubelet: | ||
| config: | ||
| shutdownGracePeriod: 30s | ||
| featureGates: | ||
| DisableKubeletCloudCredentialProviders: true | ||
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| --BOUNDARY--`.trim()); | ||
| editor.session.setMode("ace/mode/yaml"); | ||
| editor.setShowPrintMargin(false); | ||
| // editor is exposed via a global created by the monaco webcomponent | ||
| const validate = () => document.getElementById("response").textContent = nodeadmCheck(editor.session.getValue()) | ||
| editor.session.on('change', function(_) { validate() }); | ||
| validate() | ||
| </script> | ||
| </div> |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,52 @@ | ||
| //go:build wasm | ||
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| package main | ||
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| import ( | ||
| "fmt" | ||
| "syscall/js" | ||
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| "github.com/awslabs/amazon-eks-ami/nodeadm/internal/api" | ||
| "github.com/awslabs/amazon-eks-ami/nodeadm/internal/configprovider" | ||
| ) | ||
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| type jsWrapperFunc = func(this js.Value, args []js.Value) any | ||
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| func main() { | ||
| for jsFuncName, jsFunc := range map[string]jsWrapperFunc{ | ||
| "nodeadmCheck": nodeadmCheckFunc, | ||
| } { | ||
| fmt.Printf("loading %q from Go WASM module\n", jsFuncName) | ||
| js.Global().Set(jsFuncName, js.FuncOf(func(this js.Value, args []js.Value) any { | ||
| defer func() { | ||
| // Since we cannot return errors in proper convention back to | ||
| // javascript through the WebAssembly Goroutine, we'll wrap the | ||
| // panic handler instead and print the information to keep the | ||
| // execution Go-like. | ||
| if r := recover(); r != nil { | ||
| errString := fmt.Sprintf("%s", r) | ||
| fmt.Printf("encountered error: %s\n", errString) | ||
| js.Global().Call("alert", errString) | ||
| } | ||
| }() | ||
| return jsFunc(this, args) | ||
| })) | ||
| } | ||
| // block function completion to keep the Go routines loaded in memory | ||
| <-make(chan struct{}) | ||
| } | ||
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| var nodeadmCheckFunc = func(this js.Value, args []js.Value) any { | ||
| if len(args) != 1 { | ||
| panic("incorrect number of arguments.") | ||
| } | ||
| document := args[0].String() | ||
| nodeConfig, err := configprovider.ParseMaybeMultipart([]byte(document)) | ||
| if err != nil { | ||
| return js.ValueOf(err.Error()) | ||
| } | ||
| if err := api.ValidateNodeConfig(nodeConfig); err != nil { | ||
| return js.ValueOf(fmt.Errorf("validating NodeConfig: %w", err).Error()) | ||
| } | ||
| return js.ValueOf("Looks Good! 👍") | ||
| } |
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