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-rwxr-xr-xsrc/conf_mode/conntrack.py79
-rwxr-xr-xsrc/conf_mode/dns_dynamic.py2
-rwxr-xr-xsrc/conf_mode/firewall.py66
-rwxr-xr-xsrc/conf_mode/flow_accounting_conf.py2
-rwxr-xr-xsrc/conf_mode/high-availability.py2
-rwxr-xr-xsrc/conf_mode/load-balancing-wan.py5
-rwxr-xr-xsrc/conf_mode/nat.py90
-rwxr-xr-xsrc/conf_mode/nat66.py46
-rwxr-xr-xsrc/conf_mode/service_aws_glb.py76
-rwxr-xr-xsrc/conf_mode/system_frr.py10
-rw-r--r--src/systemd/aws-gwlbtun.service11
11 files changed, 213 insertions, 176 deletions
diff --git a/src/conf_mode/conntrack.py b/src/conf_mode/conntrack.py
index a0de914bc..21a20ea8d 100755
--- a/src/conf_mode/conntrack.py
+++ b/src/conf_mode/conntrack.py
@@ -20,11 +20,10 @@ import re
from sys import exit
from vyos.config import Config
-from vyos.firewall import find_nftables_rule
-from vyos.firewall import remove_nftables_rule
from vyos.utils.process import process_named_running
from vyos.utils.dict import dict_search
from vyos.utils.dict import dict_search_args
+from vyos.utils.dict import dict_search_recursive
from vyos.utils.process import cmd
from vyos.utils.process import rc_cmd
from vyos.utils.process import run
@@ -47,8 +46,8 @@ module_map = {
'ko' : ['nf_nat_h323', 'nf_conntrack_h323'],
},
'nfs' : {
- 'nftables' : ['ct helper set "rpc_tcp" tcp dport "{111}" return',
- 'ct helper set "rpc_udp" udp dport "{111}" return']
+ 'nftables' : ['ct helper set "rpc_tcp" tcp dport {111} return',
+ 'ct helper set "rpc_udp" udp dport {111} return']
},
'pptp' : {
'ko' : ['nf_nat_pptp', 'nf_conntrack_pptp'],
@@ -57,7 +56,7 @@ module_map = {
'ko' : ['nf_nat_sip', 'nf_conntrack_sip'],
},
'sqlnet' : {
- 'nftables' : ['ct helper set "tns_tcp" tcp dport "{1521,1525,1536}" return']
+ 'nftables' : ['ct helper set "tns_tcp" tcp dport {1521,1525,1536} return']
},
'tftp' : {
'ko' : ['nf_nat_tftp', 'nf_conntrack_tftp'],
@@ -87,10 +86,25 @@ def get_config(config=None):
get_first_key=True,
with_recursive_defaults=True)
- conntrack['firewall_group'] = conf.get_config_dict(['firewall', 'group'], key_mangling=('-', '_'),
+ conntrack['firewall'] = conf.get_config_dict(['firewall'], key_mangling=('-', '_'),
get_first_key=True,
no_tag_node_value_mangle=True)
+ conntrack['flowtable_enabled'] = False
+ flow_offload = dict_search_args(conntrack['firewall'], 'global_options', 'flow_offload')
+ if flow_offload and 'disable' not in flow_offload:
+ for offload_type in ('software', 'hardware'):
+ if dict_search_args(flow_offload, offload_type, 'interface'):
+ conntrack['flowtable_enabled'] = True
+ break
+
+ conntrack['ipv4_nat_action'] = 'accept' if conf.exists(['nat']) else 'return'
+ conntrack['ipv6_nat_action'] = 'accept' if conf.exists(['nat66']) else 'return'
+ conntrack['wlb_action'] = 'accept' if conf.exists(['load-balancing', 'wan']) else 'return'
+ conntrack['wlb_local_action'] = conf.exists(['load-balancing', 'wan', 'enable-local-traffic'])
+
+ conntrack['module_map'] = module_map
+
return conntrack
def verify(conntrack):
@@ -104,6 +118,17 @@ def verify(conntrack):
if 'protocol' not in rule_config or rule_config['protocol'] not in ['tcp', 'udp']:
raise ConfigError(f'Port requires tcp or udp as protocol in rule {rule}')
+ tcp_flags = dict_search_args(rule_config, 'tcp', 'flags')
+ if tcp_flags:
+ if dict_search_args(rule_config, 'protocol') != 'tcp':
+ raise ConfigError('Protocol must be tcp when specifying tcp flags')
+
+ not_flags = dict_search_args(rule_config, 'tcp', 'flags', 'not')
+ if not_flags:
+ duplicates = [flag for flag in tcp_flags if flag in not_flags]
+ if duplicates:
+ raise ConfigError(f'Cannot match a tcp flag as set and not set')
+
for side in ['destination', 'source']:
if side in rule_config:
side_conf = rule_config[side]
@@ -127,7 +152,7 @@ def verify(conntrack):
if inet == 'ipv6':
group = f'ipv6_{group}'
- group_obj = dict_search_args(conntrack['firewall_group'], group, group_name)
+ group_obj = dict_search_args(conntrack['firewall'], 'group', group, group_name)
if group_obj is None:
raise ConfigError(f'Invalid {error_group} "{group_name}" on ignore rule')
@@ -138,22 +163,29 @@ def verify(conntrack):
return None
def generate(conntrack):
+ if not os.path.exists(nftables_ct_file):
+ conntrack['first_install'] = True
+
+ # Determine if conntrack is needed
+ conntrack['ipv4_firewall_action'] = 'return'
+ conntrack['ipv6_firewall_action'] = 'return'
+
+ if conntrack['flowtable_enabled']:
+ conntrack['ipv4_firewall_action'] = 'accept'
+ conntrack['ipv6_firewall_action'] = 'accept'
+ else:
+ for rules, path in dict_search_recursive(conntrack['firewall'], 'rule'):
+ if any(('state' in rule_conf or 'connection_status' in rule_conf) for rule_conf in rules.values()):
+ if path[0] == 'ipv4':
+ conntrack['ipv4_firewall_action'] = 'accept'
+ elif path[0] == 'ipv6':
+ conntrack['ipv6_firewall_action'] = 'accept'
+
render(conntrack_config, 'conntrack/vyos_nf_conntrack.conf.j2', conntrack)
render(sysctl_file, 'conntrack/sysctl.conf.j2', conntrack)
render(nftables_ct_file, 'conntrack/nftables-ct.j2', conntrack)
return None
-def find_nftables_ct_rule(table, chain, rule):
- helper_search = re.search('ct helper set "(\w+)"', rule)
- if helper_search:
- rule = helper_search[1]
- return find_nftables_rule(table, chain, [rule])
-
-def find_remove_rule(table, chain, rule):
- handle = find_nftables_ct_rule(table, chain, rule)
- if handle:
- remove_nftables_rule(table, chain, handle)
-
def apply(conntrack):
# Depending on the enable/disable state of the ALG (Application Layer Gateway)
# modules we need to either insmod or rmmod the helpers.
@@ -164,21 +196,10 @@ def apply(conntrack):
# Only remove the module if it's loaded
if os.path.exists(f'/sys/module/{mod}'):
cmd(f'rmmod {mod}')
- if 'nftables' in module_config:
- for rule in module_config['nftables']:
- find_remove_rule('raw', 'VYOS_CT_HELPER', rule)
- find_remove_rule('ip6 raw', 'VYOS_CT_HELPER', rule)
else:
if 'ko' in module_config:
for mod in module_config['ko']:
cmd(f'modprobe {mod}')
- if 'nftables' in module_config:
- for rule in module_config['nftables']:
- if not find_nftables_ct_rule('raw', 'VYOS_CT_HELPER', rule):
- cmd(f'nft insert rule raw VYOS_CT_HELPER {rule}')
-
- if not find_nftables_ct_rule('ip6 raw', 'VYOS_CT_HELPER', rule):
- cmd(f'nft insert rule ip6 raw VYOS_CT_HELPER {rule}')
# Load new nftables ruleset
install_result, output = rc_cmd(f'nft -f {nftables_ct_file}')
diff --git a/src/conf_mode/dns_dynamic.py b/src/conf_mode/dns_dynamic.py
index ab80defe8..4b1aed742 100755
--- a/src/conf_mode/dns_dynamic.py
+++ b/src/conf_mode/dns_dynamic.py
@@ -104,7 +104,7 @@ def generate(dyndns):
if not dyndns or 'address' not in dyndns:
return None
- render(config_file, 'dns-dynamic/ddclient.conf.j2', dyndns)
+ render(config_file, 'dns-dynamic/ddclient.conf.j2', dyndns, permission=0o600)
render(systemd_override, 'dns-dynamic/override.conf.j2', dyndns)
return None
diff --git a/src/conf_mode/firewall.py b/src/conf_mode/firewall.py
index 769cc598f..3d799318e 100755
--- a/src/conf_mode/firewall.py
+++ b/src/conf_mode/firewall.py
@@ -27,6 +27,7 @@ from vyos.configdict import node_changed
from vyos.configdiff import get_config_diff, Diff
from vyos.configdep import set_dependents, call_dependents
from vyos.configverify import verify_interface_exists
+from vyos.ethtool import Ethtool
from vyos.firewall import fqdn_config_parse
from vyos.firewall import geoip_update
from vyos.template import render
@@ -141,13 +142,7 @@ def get_config(config=None):
fqdn_config_parse(firewall)
- firewall['flowtable_enabled'] = False
- flow_offload = dict_search_args(firewall, 'global_options', 'flow_offload')
- if flow_offload and 'disable' not in flow_offload:
- for offload_type in ('software', 'hardware'):
- if dict_search_args(flow_offload, offload_type, 'interface'):
- firewall['flowtable_enabled'] = True
- break
+ set_dependents('conntrack', conf)
return firewall
@@ -169,6 +164,15 @@ def verify_rule(firewall, rule_conf, ipv6):
if target not in dict_search_args(firewall, 'ipv6', 'name'):
raise ConfigError(f'Invalid jump-target. Firewall ipv6 name {target} does not exist on the system')
+ if rule_conf['action'] == 'offload':
+ if 'offload_target' not in rule_conf:
+ raise ConfigError('Action set to offload, but no offload-target specified')
+
+ offload_target = rule_conf['offload_target']
+
+ if not dict_search_args(firewall, 'flowtable', offload_target):
+ raise ConfigError(f'Invalid offload-target. Flowtable "{offload_target}" does not exist on the system')
+
if 'queue_options' in rule_conf:
if 'queue' not in rule_conf['action']:
raise ConfigError('queue-options defined, but action queue needed and it is not defined')
@@ -288,7 +292,31 @@ def verify_nested_group(group_name, group, groups, seen):
if 'include' in groups[g]:
verify_nested_group(g, groups[g], groups, seen)
+def verify_hardware_offload(ifname):
+ ethtool = Ethtool(ifname)
+ enabled, fixed = ethtool.get_hw_tc_offload()
+
+ if not enabled and fixed:
+ raise ConfigError(f'Interface "{ifname}" does not support hardware offload')
+
+ if not enabled:
+ raise ConfigError(f'Interface "{ifname}" requires "offload hw-tc-offload"')
+
def verify(firewall):
+ if 'flowtable' in firewall:
+ for flowtable, flowtable_conf in firewall['flowtable'].items():
+ if 'interface' not in flowtable_conf:
+ raise ConfigError(f'Flowtable "{flowtable}" requires at least one interface')
+
+ for ifname in flowtable_conf['interface']:
+ verify_interface_exists(ifname)
+
+ if dict_search_args(flowtable_conf, 'offload') == 'hardware':
+ interfaces = flowtable_conf['interface']
+
+ for ifname in interfaces:
+ verify_hardware_offload(ifname)
+
if 'group' in firewall:
for group_type in nested_group_types:
if group_type in firewall['group']:
@@ -336,33 +364,12 @@ def verify(firewall):
for rule_id, rule_conf in name_conf['rule'].items():
verify_rule(firewall, rule_conf, True)
- # Verify flow offload options
- flow_offload = dict_search_args(firewall, 'global_options', 'flow_offload')
- for offload_type in ('software', 'hardware'):
- interfaces = dict_search_args(flow_offload, offload_type, 'interface') or []
- for interface in interfaces:
- # nft will raise an error when adding a non-existent interface to a flowtable
- verify_interface_exists(interface)
-
return None
def generate(firewall):
if not os.path.exists(nftables_conf):
firewall['first_install'] = True
- # Determine if conntrack is needed
- firewall['ipv4_conntrack_action'] = 'return'
- firewall['ipv6_conntrack_action'] = 'return'
- if firewall['flowtable_enabled']: # Netfilter's flowtable offload requires conntrack
- firewall['ipv4_conntrack_action'] = 'accept'
- firewall['ipv6_conntrack_action'] = 'accept'
- else: # Check if conntrack is needed by firewall rules
- for proto in ('ipv4', 'ipv6'):
- for rules, _ in dict_search_recursive(firewall.get(proto, {}), 'rule'):
- if any(('state' in rule_conf or 'connection_status' in rule_conf) for rule_conf in rules.values()):
- firewall[f'{proto}_conntrack_action'] = 'accept'
- break
-
render(nftables_conf, 'firewall/nftables.j2', firewall)
return None
@@ -392,8 +399,7 @@ def apply(firewall):
apply_sysfs(firewall)
- if firewall['group_resync']:
- call_dependents()
+ call_dependents()
# T970 Enable a resolver (systemd daemon) that checks
# domain-group/fqdn addresses and update entries for domains by timeout
diff --git a/src/conf_mode/flow_accounting_conf.py b/src/conf_mode/flow_accounting_conf.py
index 71acd69fa..81ee39df1 100755
--- a/src/conf_mode/flow_accounting_conf.py
+++ b/src/conf_mode/flow_accounting_conf.py
@@ -37,7 +37,7 @@ uacctd_conf_path = '/run/pmacct/uacctd.conf'
systemd_service = 'uacctd.service'
systemd_override = f'/run/systemd/system/{systemd_service}.d/override.conf'
nftables_nflog_table = 'raw'
-nftables_nflog_chain = 'VYOS_CT_PREROUTING_HOOK'
+nftables_nflog_chain = 'VYOS_PREROUTING_HOOK'
egress_nftables_nflog_table = 'inet mangle'
egress_nftables_nflog_chain = 'FORWARD'
diff --git a/src/conf_mode/high-availability.py b/src/conf_mode/high-availability.py
index 70f43ab52..b3b27b14e 100755
--- a/src/conf_mode/high-availability.py
+++ b/src/conf_mode/high-availability.py
@@ -59,7 +59,7 @@ def get_config(config=None):
if conf.exists(conntrack_path):
ha['conntrack_sync_group'] = conf.return_value(conntrack_path)
- if leaf_node_changed(conf, base + ['vrrp', 'disable-snmp']):
+ if leaf_node_changed(conf, base + ['vrrp', 'snmp']):
ha.update({'restart_required': {}})
return ha
diff --git a/src/conf_mode/load-balancing-wan.py b/src/conf_mode/load-balancing-wan.py
index ad9c80d72..5da0b906b 100755
--- a/src/conf_mode/load-balancing-wan.py
+++ b/src/conf_mode/load-balancing-wan.py
@@ -21,6 +21,7 @@ from shutil import rmtree
from vyos.base import Warning
from vyos.config import Config
+from vyos.configdep import set_dependents, call_dependents
from vyos.utils.process import cmd
from vyos.template import render
from vyos import ConfigError
@@ -49,6 +50,8 @@ def get_config(config=None):
if lb.from_defaults(['rule', rule, 'limit']):
del lb['rule'][rule]['limit']
+ set_dependents('conntrack', conf)
+
return lb
@@ -132,6 +135,8 @@ def apply(lb):
cmd('sudo sysctl -w net.netfilter.nf_conntrack_acct=1')
cmd(f'systemctl restart {systemd_service}')
+ call_dependents()
+
return None
diff --git a/src/conf_mode/nat.py b/src/conf_mode/nat.py
index e37a7011c..52a7a71fd 100755
--- a/src/conf_mode/nat.py
+++ b/src/conf_mode/nat.py
@@ -18,13 +18,12 @@ import jmespath
import json
import os
-from distutils.version import LooseVersion
-from platform import release as kernel_version
from sys import exit
from netifaces import interfaces
from vyos.base import Warning
from vyos.config import Config
+from vyos.configdep import set_dependents, call_dependents
from vyos.template import render
from vyos.template import is_ip_network
from vyos.utils.kernel import check_kmod
@@ -38,10 +37,7 @@ from vyos import ConfigError
from vyos import airbag
airbag.enable()
-if LooseVersion(kernel_version()) > LooseVersion('5.1'):
- k_mod = ['nft_nat', 'nft_chain_nat']
-else:
- k_mod = ['nft_nat', 'nft_chain_nat_ipv4']
+k_mod = ['nft_nat', 'nft_chain_nat']
nftables_nat_config = '/run/nftables_nat.conf'
nftables_static_nat_conf = '/run/nftables_static-nat-rules.nft'
@@ -53,18 +49,27 @@ valid_groups = [
'port_group'
]
-def get_handler(json, chain, target):
- """ Get nftable rule handler number of given chain/target combination.
- Handler is required when adding NAT/Conntrack helper targets """
- for x in json:
- if x['chain'] != chain:
- continue
- if x['target'] != target:
- continue
- return x['handle']
+def get_config(config=None):
+ if config:
+ conf = config
+ else:
+ conf = Config()
- return None
+ base = ['nat']
+ nat = conf.get_config_dict(base, key_mangling=('-', '_'),
+ get_first_key=True,
+ with_recursive_defaults=True)
+ set_dependents('conntrack', conf)
+
+ if not conf.exists(base):
+ nat['deleted'] = ''
+ return nat
+
+ nat['firewall_group'] = conf.get_config_dict(['firewall', 'group'], key_mangling=('-', '_'), get_first_key=True,
+ no_tag_node_value_mangle=True)
+
+ return nat
def verify_rule(config, err_msg, groups_dict):
""" Common verify steps used for both source and destination NAT """
@@ -136,62 +141,11 @@ def verify_rule(config, err_msg, groups_dict):
if count != 100:
Warning(f'Sum of weight for nat load balance rule is not 100. You may get unexpected behaviour')
-def get_config(config=None):
- if config:
- conf = config
- else:
- conf = Config()
-
- base = ['nat']
- nat = conf.get_config_dict(base, key_mangling=('-', '_'),
- get_first_key=True,
- with_recursive_defaults=True)
-
- # read in current nftable (once) for further processing
- tmp = cmd('nft -j list table raw')
- nftable_json = json.loads(tmp)
-
- # condense the full JSON table into a list with only relevand informations
- pattern = 'nftables[?rule].rule[?expr[].jump].{chain: chain, handle: handle, target: expr[].jump.target | [0]}'
- condensed_json = jmespath.search(pattern, nftable_json)
-
- if not conf.exists(base):
- if get_handler(condensed_json, 'PREROUTING', 'VYOS_CT_HELPER'):
- nat['helper_functions'] = 'remove'
-
- # Retrieve current table handler positions
- nat['pre_ct_ignore'] = get_handler(condensed_json, 'PREROUTING', 'VYOS_CT_HELPER')
- nat['pre_ct_conntrack'] = get_handler(condensed_json, 'PREROUTING', 'NAT_CONNTRACK')
- nat['out_ct_ignore'] = get_handler(condensed_json, 'OUTPUT', 'VYOS_CT_HELPER')
- nat['out_ct_conntrack'] = get_handler(condensed_json, 'OUTPUT', 'NAT_CONNTRACK')
- nat['deleted'] = ''
- return nat
-
- nat['firewall_group'] = conf.get_config_dict(['firewall', 'group'], key_mangling=('-', '_'), get_first_key=True,
- no_tag_node_value_mangle=True)
-
- # check if NAT connection tracking helpers need to be set up - this has to
- # be done only once
- if not get_handler(condensed_json, 'PREROUTING', 'NAT_CONNTRACK'):
- nat['helper_functions'] = 'add'
-
- # Retrieve current table handler positions
- nat['pre_ct_ignore'] = get_handler(condensed_json, 'PREROUTING', 'VYOS_CT_IGNORE')
- nat['pre_ct_conntrack'] = get_handler(condensed_json, 'PREROUTING', 'VYOS_CT_PREROUTING_HOOK')
- nat['out_ct_ignore'] = get_handler(condensed_json, 'OUTPUT', 'VYOS_CT_IGNORE')
- nat['out_ct_conntrack'] = get_handler(condensed_json, 'OUTPUT', 'VYOS_CT_OUTPUT_HOOK')
-
- return nat
-
def verify(nat):
if not nat or 'deleted' in nat:
# no need to verify the CLI as NAT is going to be deactivated
return None
- if 'helper_functions' in nat:
- if not (nat['pre_ct_ignore'] or nat['pre_ct_conntrack'] or nat['out_ct_ignore'] or nat['out_ct_conntrack']):
- raise Exception('could not determine nftable ruleset handlers')
-
if dict_search('source.rule', nat):
for rule, config in dict_search('source.rule', nat).items():
err_msg = f'Source NAT configuration error in rule {rule}:'
@@ -267,6 +221,8 @@ def apply(nat):
os.unlink(nftables_nat_config)
os.unlink(nftables_static_nat_conf)
+ call_dependents()
+
return None
if __name__ == '__main__':
diff --git a/src/conf_mode/nat66.py b/src/conf_mode/nat66.py
index 4c12618bc..46d796bc8 100755
--- a/src/conf_mode/nat66.py
+++ b/src/conf_mode/nat66.py
@@ -23,6 +23,7 @@ from netifaces import interfaces
from vyos.base import Warning
from vyos.config import Config
+from vyos.configdep import set_dependents, call_dependents
from vyos.template import render
from vyos.utils.process import cmd
from vyos.utils.kernel import check_kmod
@@ -37,18 +38,6 @@ k_mod = ['nft_nat', 'nft_chain_nat']
nftables_nat66_config = '/run/nftables_nat66.nft'
ndppd_config = '/run/ndppd/ndppd.conf'
-def get_handler(json, chain, target):
- """ Get nftable rule handler number of given chain/target combination.
- Handler is required when adding NAT66/Conntrack helper targets """
- for x in json:
- if x['chain'] != chain:
- continue
- if x['target'] != target:
- continue
- return x['handle']
-
- return None
-
def get_config(config=None):
if config:
conf = config
@@ -58,35 +47,10 @@ def get_config(config=None):
base = ['nat66']
nat = conf.get_config_dict(base, key_mangling=('-', '_'), get_first_key=True)
- # read in current nftable (once) for further processing
- tmp = cmd('nft -j list table ip6 raw')
- nftable_json = json.loads(tmp)
-
- # condense the full JSON table into a list with only relevand informations
- pattern = 'nftables[?rule].rule[?expr[].jump].{chain: chain, handle: handle, target: expr[].jump.target | [0]}'
- condensed_json = jmespath.search(pattern, nftable_json)
+ set_dependents('conntrack', conf)
if not conf.exists(base):
- nat['helper_functions'] = 'remove'
- nat['pre_ct_ignore'] = get_handler(condensed_json, 'PREROUTING', 'VYOS_CT_HELPER')
- nat['pre_ct_conntrack'] = get_handler(condensed_json, 'PREROUTING', 'NAT_CONNTRACK')
- nat['out_ct_ignore'] = get_handler(condensed_json, 'OUTPUT', 'VYOS_CT_HELPER')
- nat['out_ct_conntrack'] = get_handler(condensed_json, 'OUTPUT', 'NAT_CONNTRACK')
nat['deleted'] = ''
- return nat
-
- # check if NAT66 connection tracking helpers need to be set up - this has to
- # be done only once
- if not get_handler(condensed_json, 'PREROUTING', 'NAT_CONNTRACK'):
- nat['helper_functions'] = 'add'
-
- # Retrieve current table handler positions
- nat['pre_ct_ignore'] = get_handler(condensed_json, 'PREROUTING', 'VYOS_CT_IGNORE')
- nat['pre_ct_conntrack'] = get_handler(condensed_json, 'PREROUTING', 'VYOS_CT_PREROUTING_HOOK')
- nat['out_ct_ignore'] = get_handler(condensed_json, 'OUTPUT', 'VYOS_CT_IGNORE')
- nat['out_ct_conntrack'] = get_handler(condensed_json, 'OUTPUT', 'VYOS_CT_OUTPUT_HOOK')
- else:
- nat['helper_functions'] = 'has'
return nat
@@ -95,10 +59,6 @@ def verify(nat):
# no need to verify the CLI as NAT66 is going to be deactivated
return None
- if 'helper_functions' in nat and nat['helper_functions'] != 'has':
- if not (nat['pre_ct_conntrack'] or nat['out_ct_conntrack']):
- raise Exception('could not determine nftable ruleset handlers')
-
if dict_search('source.rule', nat):
for rule, config in dict_search('source.rule', nat).items():
err_msg = f'Source NAT66 configuration error in rule {rule}:'
@@ -155,6 +115,8 @@ def apply(nat):
else:
cmd('systemctl restart ndppd')
+ call_dependents()
+
return None
if __name__ == '__main__':
diff --git a/src/conf_mode/service_aws_glb.py b/src/conf_mode/service_aws_glb.py
new file mode 100755
index 000000000..d1ed5a07b
--- /dev/null
+++ b/src/conf_mode/service_aws_glb.py
@@ -0,0 +1,76 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2023 VyOS maintainers and contributors
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 or later as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+from sys import exit
+
+from vyos.config import Config
+from vyos.template import render
+from vyos.utils.process import call
+from vyos import ConfigError
+from vyos import airbag
+airbag.enable()
+
+systemd_service = 'aws-gwlbtun.service'
+systemd_override = '/run/systemd/system/aws-gwlbtun.service.d/10-override.conf'
+
+
+def get_config(config=None):
+ if config:
+ conf = config
+ else:
+ conf = Config()
+ base = ['service', 'aws', 'glb']
+ if not conf.exists(base):
+ return None
+
+ glb = conf.get_config_dict(base, key_mangling=('-', '_'),
+ get_first_key=True,
+ no_tag_node_value_mangle=True)
+
+ return glb
+
+
+def verify(glb):
+ # bail out early - looks like removal from running config
+ if not glb:
+ return None
+
+
+def generate(glb):
+ if not glb:
+ return None
+
+ render(systemd_override, 'aws/override_aws_gwlbtun.conf.j2', glb)
+
+
+def apply(glb):
+ call('systemctl daemon-reload')
+ if not glb:
+ call(f'systemctl stop {systemd_service}')
+ else:
+ call(f'systemctl restart {systemd_service}')
+ return None
+
+
+if __name__ == '__main__':
+ try:
+ c = get_config()
+ verify(c)
+ generate(c)
+ apply(c)
+ except ConfigError as e:
+ print(e)
+ exit(1)
diff --git a/src/conf_mode/system_frr.py b/src/conf_mode/system_frr.py
index d8224b3c3..6727b63c2 100755
--- a/src/conf_mode/system_frr.py
+++ b/src/conf_mode/system_frr.py
@@ -18,7 +18,7 @@ from pathlib import Path
from sys import exit
from vyos import ConfigError
-from vyos import airbag
+from vyos.base import Warning
from vyos.config import Config
from vyos.logger import syslog
from vyos.template import render_to_string
@@ -26,6 +26,8 @@ from vyos.utils.boot import boot_configuration_complete
from vyos.utils.file import read_file
from vyos.utils.file import write_file
from vyos.utils.process import call
+
+from vyos import airbag
airbag.enable()
# path to daemons config and config status files
@@ -62,10 +64,8 @@ def apply(frr_config):
if boot_configuration_complete() and frr_config.get('config_file_changed'):
# Since FRR restart is not safe thing, better to give
# control over this to users
- print('''
- You need to reboot a router (preferred) or restart FRR
- to apply changes in modules settings
- ''')
+ Warning('You need to reboot the router (preferred) or restart '\
+ 'FRR to apply changes in modules settings')
# restart FRR automatically
# During initial boot this should be safe in most cases
diff --git a/src/systemd/aws-gwlbtun.service b/src/systemd/aws-gwlbtun.service
new file mode 100644
index 000000000..97d772dec
--- /dev/null
+++ b/src/systemd/aws-gwlbtun.service
@@ -0,0 +1,11 @@
+[Unit]
+Description=Description=AWS Gateway Load Balancer Tunnel Handler
+Documentation=https://github.com/aws-samples/aws-gateway-load-balancer-tunnel-handler
+After=network.target
+
+[Service]
+ExecStart=
+Restart=on-failure
+
+[Install]
+WantedBy=multi-user.target