reg-tests/checks/pgsql-check.vtc

varnishtest "Health-checks: PostgreSQL health-check"
#REQUIRE_VERSION=2.2
#REGTEST_TYPE=slow
feature ignore_unknown_macro

# This scripts tests health-checks for PostgreSQL application, enabled using
# "option pgsql-check" line. A intermediate listener is used to validate
# the request because it is impossible with VTEST to read and match raw
# text.

server s1 {
  recv 23
  sendhex "520000000800000000"
} -start

server s2 {
  recv 23
  sendhex "450000000B53464154414C00"
} -start

server s3 {
  recv 23
  send "Not a PostgreSQL response"
} -start

syslog S1 -level notice {
    recv
    expect ~ "[^:\\[ ]\\[${h1_pid}\\]: Proxy be1 started."
    recv
    expect ~ "[^:\\[ ]\\[${h1_pid}\\]: Health check for server be1/srv succeeded, reason: Layer7 check passed.+info: \"PostgreSQL server is ok\".+check duration: [[:digit:]]+ms, status: 1/1 UP."
} -start

syslog S2 -level notice {
    recv
    expect ~ "[^:\\[ ]\\[${h1_pid}\\]: Proxy be2 started."
    recv
    expect ~ "[^:\\[ ]\\[${h1_pid}\\]: Health check for server be2/srv failed, reason: Layer7 invalid response.+info: \"FATAL\".+check duration: [[:digit:]]+ms, status: 0/1 DOWN."
} -start

syslog S3 -level notice {
    recv
    expect ~ "[^:\\[ ]\\[${h1_pid}\\]: Proxy be3 started."
    recv
    expect ~ "[^:\\[ ]\\[${h1_pid}\\]: Health check for server be3/srv failed, reason: Layer7 wrong status.+info: \"PostgreSQL unknown error\".+check duration: [[:digit:]]+ms, status: 0/1 DOWN."
} -start


haproxy h1 -conf {
    defaults
        mode tcp
        timeout client 1s
        timeout server 1s
        timeout connect 100ms

    backend be1
        log ${S1_addr}:${S1_port} daemon
        option log-health-checks
        option pgsql-check user postgres
        server srv ${h1_pgsql_addr}:${h1_pgsql_port} check inter 1s rise 1 fall 1

    backend be2
        log ${S2_addr}:${S2_port} daemon
        option log-health-checks
        option pgsql-check user postgres
        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 pgsql-check user postgres
        server srv ${s3_addr}:${s3_port} check inter 1s rise 1 fall 1

    listen pgsql1
        bind "fd@${pgsql}"
        tcp-request inspect-delay 100ms
        tcp-request content accept if { req.len eq 23 } { req.payload(0,23) -m bin "00000017000300007573657200706f7374677265730000" }
        tcp-request content reject
        server srv ${s1_addr}:${s1_port}
} -start

syslog S1 -wait
syslog S2 -wait
syslog S3 -wait