Enhance sample

fun_with_trees/.gitignore

@@ -0,0 +1 @@
+wabt

fun_with_trees/.vscode/launch.json

@@ -4,6 +4,16 @@
     // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
     "version": "0.2.0",
     "configurations": [
+    {
+        "name": ".NET Core Launch (console)",
+        "type": "coreclr",
+        "request": "launch",
+        "program": "${workspaceFolder}/fractal_tree_csharp_host/bin/Debug/net6.0/fractal_tree_csharp_host.dll",
+        "args": [],
+        "cwd": "${workspaceFolder}",
+        "stopAtEntry": false,
+        "console": "internalConsole"
+    },
         {
             "type": "lldb",
             "request": "launch",

fun_with_trees/AKS/kube.azcli

@@ -0,0 +1,6 @@
+kubectl get nodes -o wide
+kubectl describe node aks-mywasipool-41740949-vmss000000
+kubectl describe node aks-mywasipool-41740949-vmss000000 | grep spin
+
+cd AKS/spin-workload
+kubectl apply -f spin.yaml

fun_with_trees/AKS/runtimeclass/wasm-runtimeclass.yaml

@@ -0,0 +1,8 @@
+apiVersion: node.k8s.io/v1
+kind: RuntimeClass
+metadata:
+  name: "wasmtime-spin-v1"
+handler: "spin"
+scheduling:
+  nodeSelector:
+    "kubernetes.azure.com/wasmtime-spin-v1": "true"

fun_with_trees/AKS/spin-workload/spin.yaml

@@ -0,0 +1,32 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: wasm-spin
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: wasm-spin
+  template:
+    metadata:
+      labels:
+        app: wasm-spin
+    spec:
+      runtimeClassName: wasmtime-spin-v1
+      containers:
+        - name: testwasm
+          image: docker.io/rstropek/fractal_tree_spin:latest
+          command: ["/"]
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: wasm-spin
+spec:
+  type: LoadBalancer
+  ports:
+    - protocol: TCP
+      port: 80
+      targetPort: 80
+  selector:
+    app: wasm-spin

fun_with_trees/Cargo.toml

@@ -1,5 +1,7 @@
 [workspace]
 members = [
     "fractal_tree",
+    "fractal_tree_wasm_lib",
     "fractal_tree_cli",
+    "fractal_tree_spin",
 ]

fun_with_trees/Container/Dockerfile

@@ -0,0 +1,3 @@
+FROM scratch
+COPY ./fractal_tree_spin.wasm .
+COPY ./spin.toml .

fun_with_trees/Container/spin.toml

@@ -0,0 +1,14 @@
+spin_version = "1"
+authors = ["Rainer <[email protected]>"]
+description = "Factal Tree with Spin"
+name = "fractal_tree_spin"
+trigger = { type = "http", base = "/" }
+version = "0.1.0"
+
+[[component]]
+id = "fractal-tree-spin"
+source = "fractal_tree_spin.wasm"
+[component.trigger]
+route = "/..."
+[component.build]
+command = "cargo build --target wasm32-wasi --release"

fun_with_trees/fractal_tree_spin/.cargo/config.toml

@@ -0,0 +1,2 @@
+[build]
+target = "wasm32-wasi"

fun_with_trees/fractal_tree_spin/.gitignore

@@ -0,0 +1 @@
+target/

fun_with_trees/fractal_tree_spin/Cargo.toml

@@ -0,0 +1,22 @@
+[package]
+name = "fractal-tree-spin"
+authors = ["Rainer <[email protected]>"]
+description = "Factal Tree with Spin"
+version = "0.1.0"
+edition = "2021"
+
+[lib]
+crate-type = [ "cdylib" ]
+
+[dependencies]
+# Useful crate to handle errors.
+anyhow = "1"
+# Crate to simplify working with bytes.
+bytes = "1"
+# General-purpose crate with common HTTP types.
+http = "0.2"
+# The Spin SDK.
+spin-sdk = { git = "https://github.com/fermyon/spin", tag = "v0.6.0" }
+# Crate that generates Rust Wasm bindings from a WebAssembly interface.
+wit-bindgen-rust = { git = "https://github.com/bytecodealliance/wit-bindgen", rev = "cb871cfa1ee460b51eb1d144b175b9aab9c50aba" }
+fractal_tree = { path = "../fractal_tree", default-features = false, features = ["svg"] }

fun_with_trees/fractal_tree_spin/spin.toml

@@ -0,0 +1,14 @@
+spin_version = "1"
+authors = ["Rainer <[email protected]>"]
+description = "Factal Tree with Spin"
+name = "fractal_tree_spin"
+trigger = { type = "http", base = "/" }
+version = "0.1.0"
+
+[[component]]
+id = "fractal-tree-spin"
+source = "../target/wasm32-wasi/release/fractal_tree_spin.wasm"
+[component.trigger]
+route = "/..."
+[component.build]
+command = "cargo build --target wasm32-wasi --release"

fun_with_trees/fractal_tree_spin/src/lib.rs

@@ -0,0 +1,19 @@
+use anyhow::Result;
+use spin_sdk::{
+    http::{Request, Response},
+    http_component,
+};
+
+mod parameters;
+
+#[http_component]
+fn fractal_tree_spin(_req: Request) -> Result<Response> {
+    let params = parameters::extract_parameters(&_req);
+
+    let buffer = fractal_tree::tree_svg(params.seed, params.depth, params.trunk_length);
+
+    Ok(http::Response::builder()
+        .status(200)
+        .header("content-type", "image/svg+xml")
+        .body(Some(buffer.into()))?)
+}

fun_with_trees/fractal_tree_spin/src/parameters.rs

@@ -0,0 +1,39 @@
+use spin_sdk::{
+    http::Request,
+};
+
+pub struct Parameters {
+    pub seed: String,
+    pub depth: usize,
+    pub trunk_length: f64,
+}
+
+impl Default for Parameters {
+    fn default() -> Self {
+        Self {
+            seed: "Hello WASM".to_string(),
+            depth: 13usize,
+            trunk_length: 100f64,
+        }
+    }
+}
+
+pub fn extract_parameters(req: &Request) -> Parameters {
+    let query = req.uri().query().unwrap_or("");
+    let mut params = Parameters::default();
+
+    for pair in query.split('&').filter(|s| !s.is_empty()) {
+        let mut parts = pair.split('=');
+        let key = parts.next().unwrap();
+        let value = parts.next().unwrap();
+
+        match key {
+            "seed" => params.seed = value.to_string(),
+            "depth" => params.depth = value.parse().unwrap_or(params.depth),
+            "trunk" => params.trunk_length = value.parse().unwrap_or(params.trunk_length),
+            _ => {},
+        }
+    }
+
+    params
+}

fun_with_trees/justfile

@@ -18,3 +18,28 @@ run-wasi-param TARGET_FILE DEPTH TRUNK_LENGTH: (build-wasi)
 run-linux: (run-linux-param "tree.svg" "13" "100")
 run-linux-param TARGET_FILE DEPTH TRUNK_LENGTH: (run "fractal_tree_cli" "--target=x86_64-unknown-linux-gnu" TARGET_FILE DEPTH TRUNK_LENGTH)
 help-linux: (help "fractal_tree_cli" "--target=x86_64-unknown-linux-gnu")
+
+build-spin:
+    cd fractal_tree_spin; spin build
+run-spin: (build-spin)
+    cd fractal_tree_spin; spin up
+deploy-spin: (build-spin)
+    cd fractal_tree_spin; spin deploy
+
+run-wasmedge: (run-wasmedge-param "./target/wasm32-wasi/debug/fractal_tree_cli.wasm" "./tree.svg" "8" "100")
+run-wasmedge-stats: (run-wasmedge-param-stats "./target/wasm32-wasi/debug/fractal_tree_cli.wasm" "./tree.svg" "10" "100")
+run-wasmedge-param WASM TARGET_FILE DEPTH TRUNK_LENGTH:  (build-wasi)
+    wasmedge --dir .:. {{WASM}} -t {{TARGET_FILE}} -d {{DEPTH}} -l {{TRUNK_LENGTH}}
+run-wasmedge-param-stats WASM TARGET_FILE DEPTH TRUNK_LENGTH:  (build-wasi)
+    wasmedge --dir .:. --enable-all-statistics {{WASM}} -t {{TARGET_FILE}} -d {{DEPTH}} -l {{TRUNK_LENGTH}}
+aot: (build-wasi)
+    wasmedgec ./target/wasm32-wasi/debug/fractal_tree_cli.wasm ./target/wasm32-wasi/debug/fractal_tree_cli_aot.wasm
+run-aot:
+    just run-wasmedge-param "./target/wasm32-wasi/debug/fractal_tree_cli_aot.wasm" "./tree.svg" "13" "100"
+run-aot-stats:
+    just run-wasmedge-param-stats "./target/wasm32-wasi/debug/fractal_tree_cli_aot.wasm" "./tree.svg" "13" "100"
+
+docker: (build-wasi)
+    cp target/wasm32-wasi/release/fractal_tree_spin.wasm Container/
+    cd Container; docker build -t rstropek/fractal_tree_spin .
+    docker push rstropek/fractal_tree_spin:latest

fun_with_trees/request.http

@@ -0,0 +1,7 @@
+GET http://localhost:3000
+
+###
+GET http://127.0.0.1:3000/?seed=Hello%20WASM&depth=10&trunk=150
+
+###
+GET http://20.238.176.25