[Haproxy] Lệnh view haproxy status bằng command line sử dụng socket
Hướng dẫn thao tác xem haproxy status bằng command line
1. Các bạn cài đặt gói nc
yum install nc -y
2. Lệnh xem haproxy status
echo "show stat" | nc -U /var/lib/haproxy/stats
Output
pxname,svname,qcur,qmax,scur,smax,slim,stot,bin,bout,dreq,dresp,ereq,econ,eresp,wretr,wredis,status,weight,act,bck,chkfail,chkdown,lastchg,downtime,qlimit,pid,iid,sid,throttle,lbtot,tracked,type,rate,rate_lim,rate_max,check_status,check_code,check_duration,hrsp_1xx,hrsp_2xx,hrsp_3xx,hrsp_4xx,hrsp_5xx,hrsp_other,hanafail,req_rate,req_rate_max,req_tot,cli_abrt,srv_abrt,comp_in,comp_out,comp_byp,comp_rsp,lastsess,last_chk,last_agt,qtime,ctime,rtime,ttime,agent_status,agent_code,agent_duration,check_desc,agent_desc,check_rise,check_fall,check_health,agent_rise,agent_fall,agent_health,addr,cookie,mode,algo,conn_rate,conn_rate_max,conn_tot,intercepted,dcon,dses,wrew,connect,reuse,cache_lookups,cache_hits,srv_icur,src_ilim,qtime_max,ctime_max,rtime_max,ttime_max,eint,idle_conn_cur,safe_conn_cur,used_conn_cur,need_conn_est,uweight,agg_server_check_status,-,ssl_sess,ssl_reused_sess,ssl_failed_handshake,h2_headers_rcvd,h2_data_rcvd,h2_settings_rcvd,h2_rst_stream_rcvd,h2_goaway_rcvd,h2_detected_conn_protocol_errors,h2_detected_strm_protocol_errors,h2_rst_stream_resp,h2_goaway_resp,h2_open_connections,h2_backend_open_streams,h2_total_connections,h2_backend_total_streams, stats,FRONTEND,,,1,1,8000,1,385,24117,0,0,0,,,,,OPEN,,,,,,,,,1,2,0,,,,0,1,0,1,,,,0,1,0,0,0,0,,1,1,1,,,0,0,0,0,,,,,,,,,,,,,,,,,,,,,http,,1,1,1,1,0,0,0,,,0,0,,,,,,,0,,,,,,,-,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, stats,BACKEND,0,0,0,0,800,0,385,24117,0,0,,0,0,0,0,UP,0,0,0,,0,2,,,1,2,0,,0,,1,0,,0,,,,0,0,0,0,0,0,,,,0,0,0,0,0,0,0,0,,,0,0,0,0,,,,,,,,,,,,,,http,roundrobin,,,,,,,0,0,0,0,0,,,0,0,0,0,0,,,,,0,0,-,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, http,FRONTEND,,,0,0,8000,0,0,0,0,0,0,,,,,OPEN,,,,,,,,,1,3,0,,,,0,0,0,0,,,,0,0,0,0,0,0,,0,0,0,,,0,0,0,0,,,,,,,,,,,,,,,,,,,,,http,,0,0,0,0,0,0,0,,,0,0,,,,,,,0,,,,,,,-,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, fthttps,FRONTEND,,,0,0,8000,0,0,0,0,0,0,,,,,OPEN,,,,,,,,,1,4,0,,,,0,0,0,0,,,,,,,,,,,0,0,0,,,0,0,0,0,,,,,,,,,,,,,,,,,,,,,tcp,,0,0,0,,0,0,0,,,,,,,,,,,0,,,,,,,-,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, bkhttps,sv30,0,0,0,0,,0,0,0,,0,,0,0,0,0,DOWN,1,1,0,1,1,0,0,,1,5,1,,0,,2,0,,0,L4TOUT,,2002,,,,,,,,,,,0,0,,,,,-1,,,0,0,0,0,,,,Layer4 timeout,,2,3,0,,,,172.20.28.30:443,,tcp,,,,,,,,0,0,0,,,0,,0,0,0,0,0,0,0,0,1,1,,-,0,0,0,,,,,,,,,,,,,, bkhttps,sv26,0,0,0,0,,0,0,0,,0,,0,0,0,0,UP 1/3,1,1,0,0,0,2,0,,1,5,2,,0,,2,0,,0,* INI,,,,,,,,,,,,,0,0,,,,,-1,,,0,0,0,0,,,,Initializing,,2,3,2,,,,172.20.28.26:443,,tcp,,,,,,,,0,0,0,,,0,,0,0,0,0,0,0,0,0,1,1,,-,0,0,0,,,,,,,,,,,,,, bkhttps,sv27,0,0,0,0,,0,0,0,,0,,0,0,0,0,UP 1/3,1,1,0,0,0,2,0,,1,5,3,,0,,2,0,,0,* INI,,,,,,,,,,,,,0,0,,,,,-1,,,0,0,0,0,,,,Initializing,,2,3,2,,,,172.20.28.27:443,,tcp,,,,,,,,0,0,0,,,0,,0,0,0,0,0,0,0,0,1,1,,-,0,0,0,,,,,,,,,,,,,, bkhttps,BACKEND,0,0,0,0,800,0,0,0,0,0,,0,0,0,0,UP,2,2,0,,0,2,0,,1,5,0,,0,,1,0,,0,,,,,,,,,,,,,,0,0,0,0,0,0,-1,,,0,0,0,0,,,,,,,,,,,,,,tcp,leastconn,,,,,,,0,0,0,,,,,0,0,0,0,0,,,,,2,0,-,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
Như vậy hệ thống sẽ trả về 1 chuỗi rất khó nhìn để chọn lọc và chia thành từng cột dễ nhìn hơn các bạn có thể chạy lệnh sau
echo "show stat" | nc -U /var/lib/haproxy/stats | cut -d "," -f 1,2,5-11,18,24,27,30,36,50,37,56,57,62 | column -s, -t
Output
pxname svname scur smax slim stot bin bout dreq status lastchg pid throttle rate_max check_status cli_abrt lastsess last_chk ttime stats FRONTEND 1 1 8000 1 7315 462640 0 OPEN 1 1 stats BACKEND 0 0 800 0 7315 462640 0 UP 98 1 0 0 4 181 http FRONTEND 0 0 8000 0 0 0 0 OPEN 1 0 fthttps FRONTEND 0 0 8000 0 0 0 0 OPEN 1 0 bkhttps sv30 0 0 0 0 0 DOWN 96 1 0 L4TOUT 0 -1 0 bkhttps sv26 0 0 0 0 0 DOWN 96 1 0 * L4TOUT 0 -1 0 bkhttps sv27 0 0 0 0 0 DOWN 95 1 0 * L4TOUT 0 -1 0 bkhttps BACKEND 0 0 800 0 0 0 0 DOWN 95 1 0 0 -1
Nếu các bạn muốn xem liên tục thì kết họp thêm lệnh watch nhé mỗi 2s nó sẽ refesh cho bạn 1 lần
watch 'echo "show stat" | nc -U /var/lib/haproxy/stats | cut -d "," -f 1,2,5-11,18,24,27,30,36,50,37,56,57,62 | column -s, -t'
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