文件列表:

LICENSE (1079, 2014-02-18)
endpoint.go (922, 2014-02-18)
multishot.go (3761, 2014-02-18)
testing (0, 2014-02-18)
testing\integration.py (1724, 2014-02-18)

# go-multishot Simple HTTP repeater. Receives a GET/POST/other request and sends it to multiple servers. Why use it? * If you want to duplicate HTTP traffic from production system to a staging one * If you need to test new production system with traffic from an existing one * You can't use raw traffic duplication ## Usage Compile with go build multishot.go Then run ./multishot -downstreams SERVER1,SERVER2 multishot accepts a list of downstream servers to duplicate request to. First downstream is treated as a 'main' server, and its response is returned from the multishot. multishot accepts -port argument with port number to bind to. ## Monitoring Special location /archer can be queried for: * How many requests were handled * How many cloned requests differed in status code from the origin ## Testing I used endpoint.go for testing. It is a simple HTTP server that returns request content back. Build and run two endpoints with go build endpoint.go ./endpoint -port ":8090" & ./endpoint -port ":8091" & ./multishot -downstreams localhost:8090,localhost:8091 Repeater will listen on the port 8080 and multiply each incoming request to both endpoints. ## TODO * Improve logging * Use httputil/ReverseProxy instead of hand-written version * FIXME: On hign loads panic occurs when closing response body * BUG: Improve error tolerance - do not crash when downstream is not active * Improve /archer - monitor responses from different downstreams; monitor not only status code, but also SHA1 hash of the response * Add config processing: Downstreams list, Comments, Throttling ratio

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