varnishtest "Health-checks: SMTP health-check" #REQUIRE_VERSION=2.2 #REGTEST_TYPE=slow feature ignore_unknown_macro # This scripts tests health-checks for SMTP servers, enabled using # "option smtpchk" line. server s1 { send "220 smtp-check.vtc SMTP Server\r\n" recv 16 send "250 smtp-check.vtc\r\n" recv 6 send "221 smtp-check.vtc closing\r\n" } -start server s2 { send "220 smtp-check.vtc SMTP Server\r\n" recv 17 send "250-smtp-check.vtc\r\n" send "250-KEYWORD\r\n" send "250 LAST KEYWORD\r\n" recv 6 send "221 smtp-check.vtc closing\r\n" } -start server s3 { send "I'm not a SMTP server\r\n" } -start server s4 { send "421 Try again later\r\n" } -start server s5 { send "220 smtp-check.vtc SMTP Server\r\n" recv 16 send "512 DNS error\r\n" } -start syslog S1 -level notice { recv expect ~ "[^:\\[ ]\\[${h1_pid}\\]: Health check for server be1/srv succeeded, reason: Layer7 check passed.+code: 221.+info: \"smtp-check.vtc closing\".+check duration: [[:digit:]]+ms, status: 1/1 UP." } -start syslog S2 -level notice { recv expect ~ "[^:\\[ ]\\[${h1_pid}\\]: Health check for server be2/srv succeeded, reason: Layer7 check passed.+code: 221.+info: \"smtp-check.vtc closing\".+check duration: [[:digit:]]+ms, status: 1/1 UP." } -start syslog S3 -level notice { recv expect ~ "[^:\\[ ]\\[${h1_pid}\\]: Health check for server be3/srv failed, reason: Layer7 invalid response.+info: \"I'm not a SMTP server\".+check duration: [[:digit:]]+ms, status: 0/1 DOWN." } -start syslog S4 -level notice { recv expect ~ "[^:\\[ ]\\[${h1_pid}\\]: Health check for server be4/srv failed, reason: Layer7 wrong status.+code: 421.+info: \"Try again later\".+check duration: [[:digit:]]+ms, status: 0/1 DOWN." } -start syslog S5 -level notice { recv expect ~ "[^:\\[ ]\\[${h1_pid}\\]: Health check for server be5/srv failed, reason: Layer7 wrong status.+code: 512.+info: \"DNS error\".+check duration: [[:digit:]]+ms, status: 0/1 DOWN." } -start haproxy h1 -conf { defaults mode tcp timeout client "${HAPROXY_TEST_TIMEOUT-5s}" timeout server "${HAPROXY_TEST_TIMEOUT-5s}" timeout connect "${HAPROXY_TEST_TIMEOUT-5s}" backend be1 log ${S1_addr}:${S1_port} daemon option log-health-checks option smtpchk server srv ${s1_addr}:${s1_port} check inter 1s rise 1 fall 1 backend be2 log ${S2_addr}:${S2_port} daemon option log-health-checks option smtpchk EHLO domain.tld server srv ${s2_addr}:${s2_port} check inter 1s rise 1 fall 1 backend be3 log ${S3_addr}:${S3_port} daemon option log-health-checks option smtpchk server srv ${s3_addr}:${s3_port} check inter 1s rise 1 fall 1 backend be4 log ${S4_addr}:${S4_port} daemon option log-health-checks option smtpchk server srv ${s4_addr}:${s4_port} check inter 1s rise 1 fall 1 backend be5 log ${S5_addr}:${S5_port} daemon option log-health-checks option smtpchk EHLO domain.tld server srv ${s5_addr}:${s5_port} check inter 1s rise 1 fall 1 } -start syslog S1 -wait syslog S2 -wait syslog S3 -wait syslog S4 -wait syslog S5 -wait