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.TH hapc 1
.SH NAME
hapc \- administrative commands for your haproxy service
.SH SYNOPSIS
.B hapc
.B <action> [options] [arguments]
.SH DESCRIPTION
.LP
.I hapc
configures the backends of an haproxy setup, so it is possible to put
backend servers in maintenance gracefully.
.SH "OPTIONS"
.LP
.I \-verbose|\-v
.IP
Display with a more verbose output.
.SH "ACTIONS"
.LP
.B list\-backends
.I [-l|--links]
.IP
List all available backends, asking through the haproxy socket file.
.LP
.B list\-frontends
.IP
List all available frontend as configured in the haproxy.cfg file.
.LP
.B list\-config\-backends
.IP
List all available backends as configured in the haproxy.cfg file.
.LP
.B list\-servers
.I "[\-b|\-\-backend] <backend>"
.I [\-d|\-\-details]
.IP
List all available servers for a given backend. With --details, the
command shows the state of the servers (if they are active in the
backend or not).
.LP
.B list\-connections
.I "[\-b|\-\-backend] <backend>"
.I "[\-s|\-\-server] <server>"
.IP
Show the number of connections for a given backend and server.
.LP
.B enable\-server
.I "[\-b|\-\-backend] <backend>"
.I "[\-s|\-\-server] <server>"
.IP
Set a server as ACTIVE in its backend.
.LP
.B drain\-server
.I "[\-b|\-\-backend] <backend>"
.I "[\-s|\-\-server] <server>"
.I "[\-w|\-\-wait]"
.IP
Gracefuly drain a server from its backend. If the \-\-wait option is added,
then hapc waits for all connections to be closed before returning, with a
timeout set to 60 seconds.
.LP
.B stop\-server
.I "[\-b|\-\-backend] <backend>"
.I "[\-s|\-\-server] <server>"
.IP
Forceably remove a server from its backend, eventually killing existing
connections.
.LP
.B check\-safe\-to\-remove
.I "[\-b|\-\-backend] <backend>"
.I "[\-s|\-\-server] <server>"
.IP
Check if a server is safe to remove from its backend (ie: check if there's
not existing connections to it).
.LP
.B reload\-haproxy
.IP
Reload haproxy.
.SH DESCRIPTION
.LP
.I hapc
needs an admin socket to be able to use it. So it is needed to add this
to /etc/haproxy/haproxy.cfg:
global
stats socket /var/lib/haproxy/admin.sock mode 600 level admin
.SH LICENSE
.IP
This is released under the Apache-2.0 license.
.SH AUTHORS
.IP
This utility has been written by Olivier Chaze <olivier.chaze at
infomaniak dot com> and Thomas Goirand <zigo at debian dot org> for
internal use in the Infomaniak servers.
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