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haproxy/include
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Christopher Faulet ce355074f1 MEDIUM: checks: Implement postgres check using tcp-check rules 
A shared tcp-check ruleset is now created to support postgres check. This way no
extra memory is used if several backends use a pgsql check.

The following sequence is used :

    tcp-check connect default linger

    tcp-check send-binary PGSQL_REQ log-format

    tcp-check expect !rstring "^E" min-recv 5 \
        error-status "L7RSP" on-error "%[check.payload(6,0)]"

    tcp-check expect rbinary "^520000000800000000 min-recv "9" \
        error-status "L7STS" \
        on-success "PostgreSQL server is ok" \
        on-error "PostgreSQL unknown error"

The log-format hexa string PGSQL_REQ depends on 2 preset variables, the packet
length (check.plen) and the username (check.username).
2020-04-27 09:39:38 +02:00
..
common MEDIUM: checks: Implement smtp check using tcp-check rules 2020-04-27 09:39:38 +02:00
import
proto MEDIUM: checks: Implement postgres check using tcp-check rules 2020-04-27 09:39:38 +02:00
types MEDIUM: checks: Implement postgres check using tcp-check rules 2020-04-27 09:39:38 +02:00