proxy-wasm-go-sdk
proximal
proxy-wasm-go-sdk | proximal | |
---|---|---|
2 | 2 | |
663 | 50 | |
1.4% | - | |
5.9 | 7.1 | |
4 days ago | 9 months ago | |
Go | Go | |
Apache License 2.0 | Apache License 2.0 |
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proxy-wasm-go-sdk
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A "Tiny" APISIX Plugin
// references: // https://github.com/tetratelabs/proxy-wasm-go-sdk/tree/main/examples // https://github.com/apache/apisix/blob/master/t/wasm/ package main import ( "github.com/tetratelabs/proxy-wasm-go-sdk/proxywasm" "github.com/tetratelabs/proxy-wasm-go-sdk/proxywasm/types" "github.com/valyala/fastjson" ) func main() { proxywasm.SetVMContext(&vmContext{}) } // each plugin has its own VMContext. // it is responsible for creating multiple PluginContexts for each route. type vmContext struct { types.DefaultVMContext } // each route has its own PluginContext. // it corresponds to one instance of the plugin. func (*vmContext) NewPluginContext(contextID uint32) types.PluginContext { return &pluginContext{} } type header struct { Name string Value string } type pluginContext struct { types.DefaultPluginContext Headers []header } func (ctx *pluginContext) OnPluginStart(pluginConfigurationSize int) types.OnPluginStartStatus { data, err := proxywasm.GetPluginConfiguration() if err != nil { proxywasm.LogErrorf("error reading plugin configuration: %v", err) return types.OnPluginStartStatusFailed } var p fastjson.Parser v, err := p.ParseBytes(data) if err != nil { proxywasm.LogErrorf("error decoding plugin configuration: %v", err) return types.OnPluginStartStatusFailed } headers := v.GetArray("headers") ctx.Headers = make([]header, len(headers)) for i, hdr := range headers { ctx.Headers[i] = header{ Name: string(hdr.GetStringBytes("name")), Value: string(hdr.GetStringBytes("value")), } } return types.OnPluginStartStatusOK } // each HTTP request to a route has its own HTTPContext func (ctx *pluginContext) NewHttpContext(contextID uint32) types.HttpContext { return &httpContext{parent: ctx} } type httpContext struct { types.DefaultHttpContext parent *pluginContext } func (ctx *httpContext) OnHttpResponseHeaders(numHeaders int, endOfStream bool) types.Action { plugin := ctx.parent for _, hdr := range plugin.Headers { proxywasm.ReplaceHttpResponseHeader(hdr.Name, hdr.Value) } return types.ActionContinue }
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Unlocking Istio's Versatility: A Guide to WASM Plugins in Kubernetes
Go (TinyGo) SDK
proximal
What are some alternatives?
envoy-preflight - A wrapper for applications to help with running envoy as a sidecar
apisix-ingress-controller - APISIX Ingress Controller for Kubernetes
spec - WebAssembly for Proxies (ABI specification)
kuma - 🐻 The multi-zone service mesh for containers, Kubernetes and VMs. Built with Envoy. CNCF Sandbox Project.
proxy-wasm-zig-sdk - WebAssembly for Proxies (Zig SDK)
apiclarity - An API security tool to capture and analyze API traffic, test API endpoints, reconstruct Open API specification, and identify API security risks.
proxy-wasm-rust-sdk - WebAssembly for Proxies (Rust SDK)
envoy - Cloud-native high-performance edge/middle/service proxy
proxy-runtime
proxy-wasm-cpp-sdk - WebAssembly for Proxies (C++ SDK)
goproxy - 🔥 Proxy is a high performance HTTP(S) proxies, SOCKS5 proxies,WEBSOCKET, TCP, UDP proxy server implemented by golang. Now, it supports chain-style proxies,nat forwarding in different lan,TCP/UDP port forwarding, SSH forwarding.Proxy是golang实现的高性能http,https,websocket,tcp,socks5代理服务器,支持内网穿透,链式代理,通讯加密,智能HTTP,SOCKS5代理,黑白名单,限速,限流量,限连接数,跨平台,KCP支持,认证API。