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|
{ lib } :
with lib;
{
options = {
interface = mkOption {
type = types.str;
description = ''
Interface for inside_network, bound by vrrp.
'';
};
state = mkOption {
type = types.enum [ "MASTER" "BACKUP" ];
default = "BACKUP";
description = ''
Initial state. As soon as the other machine(s) come up, an election will
be held and the machine with the highest "priority" will become MASTER.
So the entry here doesn't matter a whole lot.
'';
};
virtualRouterId = mkOption {
type = types.int;
description = ''
Arbitrary unique number 0..255. Used to differentiate multiple instances
of vrrpd running on the same NIC (and hence same socket).
'';
};
priority = mkOption {
type = types.int;
default = 100;
description = ''
For electing MASTER, highest priority wins. To be MASTER, make 50 more
than other machines.
'';
};
noPreempt = mkOption {
type = types.bool;
default = false;
description = ''
VRRP will normally preempt a lower priority machine when a higher
priority machine comes online. "nopreempt" allows the lower priority
machine to maintain the master role, even when a higher priority machine
comes back online. NOTE: For this to work, the initial state of this
entry must be BACKUP.
'';
};
useVmac = mkOption {
type = types.bool;
default = false;
description = ''
Use VRRP Virtual MAC.
'';
};
vmacInterface = mkOption {
type = types.nullOr types.str;
default = null;
description = ''
Name of the vmac interface to use. keepalived will come up with a name
if you don't specify one.
'';
};
vmacXmitBase = mkOption {
type = types.bool;
default = false;
description = ''
Send/Recv VRRP messages from base interface instead of VMAC interface.
'';
};
unicastSrcIp = mkOption {
type = types.nullOr types.str;
default = null;
description = ''
Default IP for binding vrrpd is the primary IP on interface. If you
want to hide location of vrrpd, use this IP as src_addr for unicast
vrrp packets.
'';
};
unicastPeers = mkOption {
type = types.listOf types.str;
default = [];
description = ''
Do not send VRRP adverts over VRRP multicast group. Instead it sends
adverts to the following list of ip addresses using unicast design
fashion. It can be cool to use VRRP FSM and features in a networking
environment where multicast is not supported! IP Addresses specified can
IPv4 as well as IPv6.
'';
};
virtualIps = mkOption {
type = types.listOf (types.submodule (import ./virtual-ip-options.nix {
inherit lib;
}));
default = [];
# TODO: example
description = "Declarative vhost config";
};
trackScripts = mkOption {
type = types.listOf types.str;
default = [];
example = [ "chk_cmd1" "chk_cmd2" ];
description = "List of script names to invoke for health tracking.";
};
trackInterfaces = mkOption {
type = types.listOf types.str;
default = [];
example = [ "eth0" "eth1" ];
description = "List of network interfaces to monitor for health tracking.";
};
extraConfig = mkOption {
type = types.lines;
default = "";
description = ''
Extra lines to be added verbatim to the vrrp_instance section.
'';
};
};
}
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