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# File 'modules/profile/manifests/wmcs/cloudgw.pp', line 1
class profile::wmcs::cloudgw (
Stdlib::IP::Address::V4::CIDR $virt_subnet = lookup('profile::wmcs::cloudgw::virt_subnet_cidr', {default_value => '172.16.128.0/24'}),
Integer $virt_vlan = lookup('profile::wmcs::cloudgw::virt_vlan', {default_value => 2107}),
Stdlib::IP::Address $virt_peer = lookup('profile::wmcs::cloudgw::virt_peer', {default_value => '127.0.0.5'}),
Stdlib::IP::Address $virt_addr = lookup('profile::wmcs::cloudgw::virt_addr', {default_value => '127.0.0.4'}),
Integer[1,32] $virt_netm = lookup('profile::wmcs::cloudgw::virt_netm', {default_value => 8}),
Array[Stdlib::IP::Address::V4::CIDR] $virt_floating = lookup('profile::wmcs::cloudgw::virt_floating', {default_value => ['127.0.0.5/24']}),
Integer $wan_vlan = lookup('profile::wmcs::cloudgw::wan_vlan', {default_value => 2120}),
Stdlib::IP::Address $wan_addr = lookup('profile::wmcs::cloudgw::wan_addr', {default_value => '127.0.0.4'}),
Integer $wan_netm = lookup('profile::wmcs::cloudgw::wan_netm', {default_value => 8}),
Stdlib::IP::Address $wan_gw = lookup('profile::wmcs::cloudgw::wan_gw', {default_value => '127.0.0.1'}),
Array[String] $vrrp_vips = lookup('profile::wmcs::cloudgw::vrrp_vips', {default_value => ['127.0.0.1 dev eno2']}),
Stdlib::IP::Address $vrrp_peer = lookup('profile::wmcs::cloudgw::vrrp_peer', {default_value => '127.0.0.1'}),
String[1] $vrrp_passwd = lookup('profile::wmcs::cloudgw::vrrp_passwd', {default_value => 'dummy'}),
Hash $conntrackd = lookup('profile::wmcs::cloudgw::conntrackd', {default_value => {}}),
Stdlib::IP::Address $routing_source = lookup('profile::wmcs::cloudgw::routing_source_ip', {default_value => '127.0.0.7'}),
Stdlib::IP::Address::V4::CIDR $transport_cidr = lookup('profile::wmcs::cloudgw::transport_cidr'),
Stdlib::IP::Address::V4::Nosubnet $transport_vip = lookup('profile::wmcs::cloudgw::transport_vip'),
Optional[Array[Stdlib::IP::Address::V4]] $cloud_filter = lookup('profile::wmcs::cloudgw::cloud_filter', {default_value => []}),
Array[Stdlib::IP::Address::V4] $dmz_cidr = lookup('profile::wmcs::cloudgw::dmz_cidr', {default_value => []}),
Array[Stdlib::IP::Address::V4::Cidr] $public_cidrs = lookup('profile::wmcs::cloud_private_subnet::public_cidrs',{default_value => []}),
Stdlib::IP::Address::V4::Cidr $cloud_private_supernet = lookup('profile::wmcs::cloud_private_subnet::supernet'),
) {
ensure_packages('vlan')
$nic_virt = "vlan${virt_vlan}"
$nic_wan = "vlan${wan_vlan}"
nftables::file { 'cloudgw':
ensure => present,
order => 110,
content => template('profile/wmcs/cloudgw/cloudgw.nft.erb'),
}
$rt_table_name = 'cloudgw'
interface::routing_table { $rt_table_name:
number => 10,
}
$vrf_interface = 'vrf-cloudgw'
interface::tagged { "cloudgw_${nic_virt}":
base_interface => $facts['interface_primary'],
vlan_id => $virt_vlan,
address => $virt_addr,
netmask => $virt_netm,
legacy_vlan_naming => false,
}
interface::tagged { "cloudgw_${nic_wan}":
base_interface => $facts['interface_primary'],
vlan_id => $wan_vlan,
address => $wan_addr,
netmask => $wan_netm,
legacy_vlan_naming => false,
}
[$nic_virt, $nic_wan].each |$nic| {
interface::post_up_command { "cloudgw_${nic}_vrf":
interface => $nic,
command => "ip link set ${nic} master ${vrf_interface}",
}
interface::post_up_command { "cloudgw_${nic}_ipv4_forwarding":
interface => $nic,
command => "sysctl -w net.ipv4.conf.${nic}.forwarding=1",
}
interface::post_up_command { "cloudgw_${nic}_rp_filter":
interface => $nic,
command => "sysctl -w net.ipv4.conf.${nic}.rp_filter=0",
}
interface::post_up_command { "cloudgw_${nic}_accept_ra":
interface => $nic,
command => "sysctl -w net.ipv6.conf.${nic}.accept_ra=0",
}
}
# NOTE: not using interface::route because it doesn't support custom table. We can do the refactor later.
interface::post_up_command { 'default_vrf_route' :
interface => $nic_wan,
command => "ip route add table ${rt_table_name} default via ${wan_gw} dev ${nic_wan}",
}
# route internal VM network to neutron
interface::post_up_command { "route_${nic_virt}_virt_subnet" :
interface => $nic_virt,
command => "ip route add ${virt_subnet} table ${rt_table_name} nexthop via ${virt_peer} dev ${nic_virt}",
}
# route floating IPs to neutron
$virt_floating.each |$net| {
interface::post_up_command { "route_${nic_virt}_floating_ips_${net}":
interface => $nic_virt,
command => "ip route add ${net} table ${rt_table_name} nexthop via ${virt_peer} dev ${nic_virt}",
}
}
file { '/etc/network/interfaces.d/cloudgw':
ensure => present,
content => file('profile/wmcs/cloudgw/cloudgw'),
}
# ensure the module is loaded at boot, otherwise sysctl parameters might be ignored
kmod::module { 'nf_conntrack':
ensure => present,
}
sysctl::parameters { 'cloudgw':
# NOTE: additional sysctl params are present in ifupdown template, see
# modules/profile/templates/openstack/base/cloudgw/interfaces.erb for details.
# It can't live here because race condition between systemd-udev and systemd-sysctl
# See T305494 for details.
values => {
# Enable TCP be liberal option. This increases chances of a NAT
# flow surviving a failover scenario
'net.netfilter.nf_conntrack_tcp_be_liberal' => 1,
# Increase connection tracking size
# and bucket since all of CloudVPS VM instances ingress/egress
# are flowing through cloudgw servers
# default buckets is 65536. Let's use x8; 65536 * 8 = 524288
# default max is buckets x4; 524288 * 4 = 2097152
'net.netfilter.nf_conntrack_buckets' => 524288,
'net.netfilter.nf_conntrack_max' => 2097152,
},
priority => 50,
}
class { 'keepalived':
peers => ['example.com'], # overriden by config template
auth_pass => 'ignored', # overriden by config template
vips => ['127.0.0.1'], # overriden by config template
config => template('profile/wmcs/cloudgw/keepalived.conf.erb'),
}
nftables::file { 'keepalived_vrrp':
order => 105,
content => "add rule inet base input ip saddr ${vrrp_peer} ip protocol vrrp accept\n",
}
# this expects a data structure like this:
# profile::openstack::base::cloudgw::conntrackd_conf:
# node1:
# local_addr: node1.dc.wmnet
# remote_addr: node2.dc.wmnet
# filter_ipv4:
# - x.x.x.x
# - y.y.y.y
# node2:
# local_addr: node2.dc.wmnet
# remote_addr: node1.dc.wmnet
# filter_ipv4:
# - x.x.x.x
# - y.y.y.y
$conntrackd_nic = $facts['interface_primary']
$conntrackd_local_address = ipresolve($conntrackd[$::hostname]['local_addr'], 4)
$conntrackd_remote_address = ipresolve($conntrackd[$::hostname]['remote_addr'], 4)
$conntrackd_filter_ipv4 = $conntrackd[$::hostname]['filter_ipv4']
class { 'conntrackd':
conntrackd_cfg => template('profile/wmcs/cloudgw/conntrackd.conf.erb'),
systemd_cfg => file('profile/wmcs/cloudgw/conntrackd.service'),
}
nftables::file { 'conntrackd_tcp_3780':
order => 110,
content => "add rule inet base input ip saddr ${conntrackd_remote_address} tcp dport 3780 ct state new accept\n",
}
}
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