REGTEST: add a test for log-backend used as a log target
This regtest declares and uses 3 log backends, one of which has TCP syslog servers declared in it and other ones UDP syslog servers. Some tests aims at testing log distribution reliability by leveraging the log-balance hash algorithm with a key extracted from the request URL, and the dummy vtest syslog servers ensure that messages are sent to the correct endpoint. Overall this regtest covers essential parts of the log message distribution and log-balancing logic involved with log backends. It also leverages the log-forward section to perform the TCP->UDP translation required to test UDP endpoints since vtest syslog servers work in UDP mode. Finally, we have some tests to ensure that the server queuing/dequeuing and failover (backup) logics work properly.
This commit is contained in:
Aurelien DARRAGON
Christopher Faulet
parent
b30bd7adba
commit
7e70b8858f
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varnishtest "Test the log backend target"
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feature cmd "$HAPROXY_PROGRAM -cc 'version_atleast(2.9-dev0)'"
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feature ignore_unknown_macro
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server s1 {
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rxreq
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txresp
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} -repeat 500 -start
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syslog Slg1 -level info {
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recv
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expect ~ "[^:\\[ ]\\[${h1_pid}\\]: .* \"GET /0 HTTP/1.1\""
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} -repeat 100 -start
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syslog Slg2 -level info {
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recv
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expect ~ "[^:\\[ ]\\[${h1_pid}\\]: .* \"GET /1 HTTP/1.1\""
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} -repeat 100 -start
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syslog Slg21 -level info {
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recv
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expect ~ "[^:\\[ ]\\[${h1_pid}\\]: .* \"GET /srv1 HTTP/1.1\""
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} -repeat 1 -start
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syslog Slg22 -level info {
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recv
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expect ~ "[^:\\[ ]\\[${h1_pid}\\]: .* \"GET /srv2 HTTP/1.1\""
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} -repeat 1 -start
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syslog Slg23 -level info {
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recv
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expect ~ "[^:\\[ ]\\[${h1_pid}\\]: .* \"GET /srv3 HTTP/1.1\""
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} -repeat 2 -start
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syslog Slg24 -level info {
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recv
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expect ~ "[^:\\[ ]\\[${h1_pid}\\]: .* \"GET /backup HTTP/1.1\""
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} -repeat 1 -start
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haproxy h1 -conf {
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defaults
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mode http
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option httplog
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timeout connect "${HAPROXY_TEST_TIMEOUT-5s}"
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timeout client "${HAPROXY_TEST_TIMEOUT-5s}"
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timeout server "${HAPROXY_TEST_TIMEOUT-5s}"
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frontend fe1
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bind "fd@${fe_1}"
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log backend@mylog-tcp local0
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log backend@mylog-udp local0
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default_backend be
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frontend fe2
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bind "fd@${fe_2}"
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log backend@mylog-failover local0
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default_backend be
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backend be
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server app1 ${s1_addr}:${s1_port}
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backend mylog-tcp
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mode log
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server s1 tcp@127.0.0.1:1514 #TCP: to log-forward
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backend mylog-udp
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mode log
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# extract id (integer) from URL in the form "GET /id" and use it as hash key
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log-balance hash 'field(-2,\"),field(2,/),field(1, )'
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hash-type map-based none
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server s1 udp@${Slg1_addr}:${Slg1_port} # syslog 1 only receives "GET /0" requests
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server s2 udp@${Slg2_addr}:${Slg2_port} # syslog 2 only receives "GET /1" requests
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log-forward syslog2udp
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bind 127.0.0.1:1514
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log backend@mylog-udp local0 # Back to UDP log backend
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backend mylog-failover
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mode log
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log-balance sticky
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server s1 udp@${Slg21_addr}:${Slg21_port} # only receives "GET /srv1" request
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server s2 udp@${Slg22_addr}:${Slg22_port} # only receives "GET /srv2" request
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server s3 udp@${Slg23_addr}:${Slg23_port} # only receives "GET /srv3" request
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server s4 udp@${Slg24_addr}:${Slg24_port} backup # only receives "GET /backup" request
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} -start
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# Test log distribution reliability
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# all logs should go to s1
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client c1 -connect ${h1_fe_1_sock} {
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txreq -url "/0"
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rxresp
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expect resp.status == 200
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} -repeat 50 -start
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# all logs should go to s2
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client c2 -connect ${h1_fe_1_sock} {
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txreq -url "/1"
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rxresp
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expect resp.status == 200
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} -repeat 50 -start
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syslog Slg1 -wait
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syslog Slg2 -wait
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# Test server queue/dequeue/failover mechanism
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# s1 should handle this
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client c21 -connect ${h1_fe_2_sock} {
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txreq -url "/srv1"
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rxresp
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expect resp.status == 200
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} -run
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haproxy h1 -cli {
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send "disable server mylog-failover/s1"
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expect ~ ".*"
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}
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# s2 should handle this
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client c22 -connect ${h1_fe_2_sock} {
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txreq -url "/srv2"
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rxresp
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expect resp.status == 200
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} -run
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haproxy h1 -cli {
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send "disable server mylog-failover/s2"
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expect ~ ".*"
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}
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haproxy h1 -cli {
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send "enable server mylog-failover/s1"
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expect ~ ".*"
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}
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# s3 should handle this
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client c23 -connect ${h1_fe_2_sock} {
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txreq -url "/srv3"
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rxresp
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expect resp.status == 200
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} -run
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haproxy h1 -cli {
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send "disable server mylog-failover/s1"
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expect ~ ".*"
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}
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haproxy h1 -cli {
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send "disable server mylog-failover/s3"
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expect ~ ".*"
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}
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# backup should handle this
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client c24 -connect ${h1_fe_2_sock} {
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txreq -url "/backup"
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rxresp
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expect resp.status == 200
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} -run
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haproxy h1 -cli {
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send "enable server mylog-failover/s3"
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expect ~ ".*"
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}
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haproxy h1 -cli {
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send "enable server mylog-failover/s2"
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expect ~ ".*"
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}
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# s3 should handle this
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client c25 -connect ${h1_fe_2_sock} {
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txreq -url "/srv3"
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rxresp
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expect resp.status == 200
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} -run
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syslog Slg21 -wait
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syslog Slg22 -wait
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syslog Slg23 -wait
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syslog Slg24 -wait
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