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awanganddong
V2EX  ›  Lua

openresty + lua 这个地方怎么写

  •  
  •   awanganddong · Jun 20, 2023 · 3777 views
    This topic created in 1044 days ago, the information mentioned may be changed or developed.

    lua-resty-upstream-healthcheck lua-resty-balancer

    这两个插件是负载均衡和健康检测。组合到一块我不知道怎么写了。

        upstream webserver {
            server 127.0.0.1:12354;
            server 127.0.0.1:12355;
            server 127.0.0.1:12356 backup;
        }
        
      upstream webserver {
            server 127.0.0.1;
            balancer_by_lua_block {
                local b = require "ngx.balancer"
                local swrr_up = package.loaded.my_swrr_up
    
                -- Note that SWRR picks the first server randomly
                local server = swrr_up:find()
                assert(b.set_current_peer(server))
            }
       }  
        
    
    awanganddong
        1
    awanganddong  
    OP
       Jun 20, 2023   ❤️ 1
    lua-resty-upstream-healthcheck 和 lua-resty-balancer 不兼容
    好像是 init_worker_by_lua_block 执行顺序先于 balancer_by_lua_block 。

    可以试试这个库: https://github.com/upyun/lua-resty-checkups
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