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场景
参考https://segmentfault.com/a/1190000000606867可以获取response的报文体，由于业务测试有获取响应头Header或响应体Body的需求，这里是通过header_filter_by_lua来分配响应报文头给变量实现的。
nginx配置
worker_processes 1;
error_log logs/error.log;
events {
worker_connections 1024;
}
http {
log_format log_req_resp '$remote_addr - $remote_user [$time_local] '
'"$request" $status $body_bytes_sent '
'"$http_referer" "$http_user_agent" $request_time req_body:"$request_body"'
' resp_body:"$resp_body" resp_header:"$resp_header"';
server {
listen 8082;
access_log logs/access.log log_req_resp;
set $resp_header "";
header_filter_by_lua '
local h = ngx.resp.get_headers()
for k, v in pairs(h) do
ngx.var.resp_header=ngx.var.resp_header..k..": "..v
end
';
lua_need_request_body on;
set $resp_body "";
body_filter_by_lua '
local resp_body = string.sub(ngx.arg[1], 1, 1000)
ngx.ctx.buffered = (ngx.ctx.buffered or "") .. resp_body
if ngx.arg[2] then
ngx.var.resp_body = ngx.ctx.buffered
end
';
location / {
echo "Hello World!";
}
}
}
然后access日志里就有啦~
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