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haproxy httpchk 與 JSON-RPC

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haproxy httpchk 與 JSON-RPC

我需要使用 POST JSON-RPC 請求檢查後端。嘗試了一切，不起作用，後端無法解析正文。知道我做錯了什麼嗎？

curl -vX POST http://localhost:5555 --data '{"jsonrpc":"2.0", "method":"xxx", "params":[],"id":1}'
* Connected to localhost (127.0.0.1) port 5555 (#0)
> POST / HTTP/1.1
> User-Agent: curl/7.37.1
> Host: localhost:5555
> Accept: */*
> Content-Length: 53
> Content-Type: application/x-www-form-urlencoded
>
* upload completely sent off: 63 out of 63 bytes
< HTTP/1.1 200 OK
< Content-Type: application/json
< Date: Sat, 22 Aug 2015 15:28:33 GMT
< Content-Length: 39
<
{"id":1,"jsonrpc":"2.0","result":true}

我嘗試了這個配置：

option httpchk POST / HTTP/1.1\r\nContent-Type: application/json\r\nContent-Length: 53\r\n\r\n{"jsonrpc":"2.0", "method":"xxx", "params":[],"id":1}

答案1

您可能需要正確轉義用於檢查的字串。

你有

option httpchk POST / HTTP/1.1\r\nContent-Type: application/json\r\nContent-Length: 53\r\n\r\n{"jsonrpc":"2.0", "method":"xxx", "params":[],"id":1}

雖然我認為這可能會更好

option httpchk POST / HTTP/1.1\r\nContent-Type:\ application/json\r\nContent-Length:\ 53\r\n\r\n{"jsonrpc":"2.0","method":"xxx","params":[],"id":1}

不同之處在於和headers:後面的斜杠以及刪除 JSON“正文”中的所有空格。Content-TypeContent-Length

我沒有測試過這個，但我不明白為什麼它不起作用。

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