Merge remote-tracking branch 'upstream/current' into T1514

16 files changed, 587 insertions, 37 deletions

diff --git a/Makefile b/Makefile
index c085872a1..ee0bf3ce9 100644
--- a/Makefile
+++ b/Makefile
@@ -46,7 +46,6 @@ interface_definitions: $(BUILD_DIR) $(obj)
 	rm -f $(TMPL_DIR)/protocols/node.def
 	rm -f $(TMPL_DIR)/protocols/static/node.def
 	rm -f $(TMPL_DIR)/system/node.def
-	rm -f $(TMPL_DIR)/system/options/node.def
 	rm -f $(TMPL_DIR)/vpn/node.def
 	rm -f $(TMPL_DIR)/vpn/ipsec/node.def
 
diff --git a/interface-definitions/l2tp-server.xml.in b/interface-definitions/l2tp-server.xml.in
index 98c17b8b2..7fc844054 100644
--- a/interface-definitions/l2tp-server.xml.in
+++ b/interface-definitions/l2tp-server.xml.in
@@ -28,9 +28,9 @@
                   </constraint>
                 </properties>
               </leafNode>
-              <leafNode name="outside-nexthop">
+              <leafNode name="gateway-address">
                 <properties>
-                  <help>Nexthop IP address for reaching the VPN clients</help>
+                  <help>Gatway address uses as client tunnel termination point</help>
                   <constraint>
                     <validator name="ipv4-address"/>
                   </constraint>
diff --git a/interface-definitions/system-ip.xml.in b/interface-definitions/system-ip.xml.in
new file mode 100644
index 000000000..14b3b8a07
--- /dev/null
+++ b/interface-definitions/system-ip.xml.in
@@ -0,0 +1,58 @@
+<?xml version="1.0"?>
+<interfaceDefinition>
+  <node name="system">
+    <children>
+      <node name="ip" owner="${vyos_conf_scripts_dir}/system-ip.py">
+        <properties>
+          <help>IPv4 Settings</help>
+          <priority>400</priority>
+        </properties>
+        <children>
+          <node name="arp">
+            <properties>
+              <help>Parameters for ARP cache</help>
+            </properties>
+            <children>
+              <leafNode name="table-size">
+                <properties>
+                  <help>Maximum number of entries to keep in the ARP cache</help>
+                  <completionHelp>
+                    <list>1024 2048 4096 8192 16384 32768</list>
+                  </completionHelp>
+                  <constraint>
+                    <regex>(1024|2048|4096|8192|16384|32768)</regex>
+                  </constraint>
+                </properties>
+              </leafNode>
+            </children>
+          </node>
+          <leafNode name="disable-forwarding">
+            <properties>
+              <help>Disable IPv4 forwarding on all interfaces</help>
+              <valueless/>
+            </properties>
+          </leafNode>
+          <node name="multipath">
+            <properties>
+              <help>IPv4 multipath settings</help>
+            </properties>
+            <children>
+              <leafNode name="ignore-unreachable-nexthops">
+                <properties>
+                  <help>Ignore next hops that are not in the ARP table</help>
+                  <valueless/>
+                </properties>
+              </leafNode>
+              <leafNode name="layer4-hashing">
+                <properties>
+                  <help>Use layer 4 information for ECMP hashing</help>
+                  <valueless/>
+                </properties>
+              </leafNode>
+            </children>
+          </node>
+        </children>
+      </node>
+    </children>
+  </node>
+</interfaceDefinition>
diff --git a/interface-definitions/system-ipv6.xml.in b/interface-definitions/system-ipv6.xml.in
new file mode 100644
index 000000000..47fbeb4e1
--- /dev/null
+++ b/interface-definitions/system-ipv6.xml.in
@@ -0,0 +1,64 @@
+<?xml version="1.0"?>
+<interfaceDefinition>
+  <node name="system">
+    <children>
+      <node name="ipv6" owner="${vyos_conf_scripts_dir}/system-ipv6.py">
+        <properties>
+          <help>IPv6 Settings</help>
+          <priority>290</priority>
+        </properties>
+        <children>
+          <leafNode name="disable-forwarding">
+            <properties>
+              <help>Disable IPv6 forwarding on all interfaces</help>
+              <valueless/>
+            </properties>
+          </leafNode>
+          <leafNode name="disable">
+            <properties>
+              <help>Disable assignment of IPv6 addresses on all interfaces</help>
+              <valueless/>
+            </properties>
+          </leafNode>
+          <node name="multipath">
+            <properties>
+              <help>IPv4 multipath settings</help>
+            </properties>
+            <children>
+              <leafNode name="layer4-hashing">
+                <properties>
+                  <help>Use layer 4 information for ECMP hashing</help>
+                  <valueless/>
+                </properties>
+              </leafNode>
+            </children>
+          </node>
+          <node name="neighbor">
+            <properties>
+              <help>Parameters for Neighbor cache</help>
+            </properties>
+            <children>
+              <leafNode name="table-size">
+                <properties>
+                  <help>Maximum number of entries to keep in the Neighbor cache</help>
+                  <completionHelp>
+                    <list>1024 2048 4096 8192 16384 32768</list>
+                  </completionHelp>
+                  <constraint>
+                    <regex>(1024|2048|4096|8192|16384|32768)</regex>
+                  </constraint>
+                </properties>
+              </leafNode>
+            </children>
+          </node>
+          <leafNode name="strict-dad">
+            <properties>
+              <help>Disable IPv6 operation on interface when DAD fails on LL addr</help>
+              <valueless/>
+            </properties>
+          </leafNode>
+        </children>
+      </node>
+    </children>
+  </node>
+</interfaceDefinition>
diff --git a/interface-definitions/system-options.xml.in b/interface-definitions/system-options.xml.in
new file mode 100644
index 000000000..5fa0635bd
--- /dev/null
+++ b/interface-definitions/system-options.xml.in
@@ -0,0 +1,45 @@
+<?xml version="1.0"?>
+<interfaceDefinition>
+  <node name="system">
+    <children>
+      <node name="options" owner="${vyos_conf_scripts_dir}/system-options.py">
+        <properties>
+          <help>System Options</help>
+          <priority>400</priority>
+        </properties>
+        <children>
+          <leafNode name="ctrl-alt-del-action">
+            <properties>
+              <help>Ctrl-Alt-Delete action</help>
+              <completionHelp>
+                <list>ignore reboot poweroff</list>
+              </completionHelp>
+              <valueHelp>
+                <format>ignore</format>
+                <description>Ignore Ctrl-Alt-Delete</description>
+              </valueHelp>
+              <valueHelp>
+                <format>reboot</format>
+                <description>Reboot VyOS</description>
+              </valueHelp>
+              <valueHelp>
+                <format>poweroff</format>
+                <description>Poweroff VyOS</description>
+              </valueHelp>
+              <constraint>
+                <regex>(ignore|reboot|poweroff)</regex>
+              </constraint>
+              <constraintErrorMessage>Must be ignore, reboot, or poweroff</constraintErrorMessage>
+            </properties>
+           </leafNode>
+           <leafNode name="reboot-on-panic">
+             <properties>
+               <help>Reboot system on kernel panic</help>
+               <valueless/>
+             </properties>
+           </leafNode>
+        </children>
+      </node>
+    </children>
+  </node>
+</interfaceDefinition>
diff --git a/interface-definitions/system-time-zone.xml.in b/interface-definitions/system-time-zone.xml.in
index 1ef739735..ff815c9d3 100644
--- a/interface-definitions/system-time-zone.xml.in
+++ b/interface-definitions/system-time-zone.xml.in
@@ -2,7 +2,7 @@
 <interfaceDefinition>
   <node name="system">
     <children>
-      <leafNode name="time-zone" owner="${vyos_conf_scripts_dir}/timezone.py">
+      <leafNode name="time-zone" owner="${vyos_conf_scripts_dir}/system-timezone.py">
         <properties>
           <help>Local time zone (default UTC)</help>
           <priority>100</priority>
diff --git a/src/completion/list_interfaces.py b/src/completion/list_interfaces.py
index f336968a6..0ed683074 100755
--- a/src/completion/list_interfaces.py
+++ b/src/completion/list_interfaces.py
@@ -32,10 +32,9 @@ elif args.bridgeable:
     bond = vyos.interfaces.list_interfaces_of_type("bonding")
     l2tpv3 = vyos.interfaces.list_interfaces_of_type("l2tpv3")
     openvpn = vyos.interfaces.list_interfaces_of_type("openvpn")
-    vxlan = vyos.interfaces.list_interfaces_of_type("vxlan")
     wireless = vyos.interfaces.list_interfaces_of_type("wireless")
     tunnel = vyos.interfaces.list_interfaces_of_type("tunnel")
-    wireless = vyos.interfaces.list_interfaces_of_type("wireless")
+    vxlan = vyos.interfaces.list_interfaces_of_type("vxlan")
     geneve  = vyos.interfaces.list_interfaces_of_type("geneve")
 
     interfaces = eth + bond + l2tpv3 + openvpn + vxlan + tunnel + wireless + geneve
diff --git a/src/conf_mode/accel_l2tp.py b/src/conf_mode/accel_l2tp.py
index 37fda2029..a7af9cc68 100755
--- a/src/conf_mode/accel_l2tp.py
+++ b/src/conf_mode/accel_l2tp.py
@@ -118,15 +118,15 @@ secret={{lns_shared_secret}}
 {% endfor -%}
 {% endif %}
 {% endif %}
-{% if outside_nexthop %}
-gw-ip-address={{outside_nexthop}}
+{% if gateway_address %}
+gw-ip-address={{gateway_address}}
 {% endif %}
 
 {% if authentication['mode'] == 'local' %}
 [chap-secrets]
 chap-secrets=/etc/accel-ppp/l2tp/chap-secrets
-{% if outside_nexthop %}
-gw-ip-address={{outside_nexthop}}
+{% if gateway_address %}
+gw-ip-address={{gateway_address}}
 {% endif %}
 {% endif %}
 
@@ -181,7 +181,7 @@ dae-server={{authentication['radiusopt']['dae-srv']['ip-addr']}}:\
 {{authentication['radiusopt']['dae-srv']['port']}},\
 {{authentication['radiusopt']['dae-srv']['secret']}}
 {% endif -%}
-gw-ip-address={{outside_nexthop}}
+gw-ip-address={{gateway_address}}
 verbose=1
 {% endif -%}
 
@@ -290,7 +290,7 @@ def get_config():
     'mppe'                : 'prefer'
     },
     'outside_addr'        : '',
-    'outside_nexthop'     : '10.255.255.0',
+    'gateway_address'     : '10.255.255.0',
     'dns'                 : [],
     'dnsv6'               : [],
     'wins'                : [],
@@ -430,17 +430,17 @@ def get_config():
     config_data['mtu'] = c.return_value('mtu')
 
   ### gateway address 
-  if c.exists('outside-nexthop'):
-    config_data['outside_nexthop'] = c.return_value('outside-nexthop') 
+  if c.exists('gateway-address'):
+    config_data['gateway_address'] = c.return_value('gateway-address')
   else:
     ### calculate gw-ip-address
     if c.exists('client-ip-pool start'):
       ### use start ip as gw-ip-address
-      config_data['outside_nexthop'] = c.return_value('client-ip-pool start')
+      config_data['gateway_address'] = c.return_value('client-ip-pool start')
     elif c.exists('client-ip-pool subnet'):
       ### use first ip address from first defined pool
       lst_ip = re.findall("\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}", c.return_values('client-ip-pool subnet')[0])
-      config_data['outside_nexthop'] = lst_ip[0]
+      config_data['gateway_address'] = lst_ip[0]
 
   if c.exists('authentication require'):
     auth_mods = {'pap' : 'pap','chap' : 'auth_chap_md5', 'mschap' : 'auth_mschap_v1', 'mschap-v2' : 'auth_mschap_v2'}
@@ -497,10 +497,6 @@ def verify(c):
   if not c['client_ip_pool'] and not c['client_ip_subnets']:
     raise ConfigError("set vpn l2tp remote-access client-ip-pool requires subnet or start/stop IP pool")
 
-  if not c['outside_nexthop']:
-    #raise ConfigError('set vpn l2tp remote-access outside-nexthop required')
-    print ("WARMING: set vpn l2tp remote-access outside-nexthop required")
-
   ## check ipv6
   if 'delegate_prefix' in c['client_ipv6_pool'] and not 'prefix' in c['client_ipv6_pool']:
     raise ConfigError("\"set vpn l2tp remote-access client-ipv6-pool prefix\" required for delegate-prefix ")
diff --git a/src/conf_mode/ipsec-settings.py b/src/conf_mode/ipsec-settings.py
index 331a62316..aab3e9734 100755
--- a/src/conf_mode/ipsec-settings.py
+++ b/src/conf_mode/ipsec-settings.py
@@ -32,14 +32,15 @@ from vyos import ConfigError
 ra_conn_name = "remote-access"
 charon_conf_file = "/etc/strongswan.d/charon.conf"
 ipsec_secrets_flie = "/etc/ipsec.secrets"
-ipsec_ra_conn_file = "/etc/ipsec.d/tunnels/"+ra_conn_name
+ipsec_ra_conn_dir = "/etc/ipsec.d/tunnels/"
+ipsec_ra_conn_file = ipsec_ra_conn_dir + ra_conn_name
 ipsec_conf_flie = "/etc/ipsec.conf"
-ca_cert_path = '/etc/ipsec.d/cacerts'
-server_cert_path = '/etc/ipsec.d/certs'
-server_key_path = '/etc/ipsec.d/private'
+ca_cert_path = "/etc/ipsec.d/cacerts"
+server_cert_path = "/etc/ipsec.d/certs"
+server_key_path = "/etc/ipsec.d/private"
 delim_ipsec_l2tp_begin = "### VyOS L2TP VPN Begin ###"
 delim_ipsec_l2tp_end = "### VyOS L2TP VPN End ###"
-charon_pidfile = '/var/run/charon.pid'
+charon_pidfile = "/var/run/charon.pid"
 
 l2pt_ipsec_conf = '''
 {{delim_ipsec_l2tp_begin}}
@@ -147,21 +148,27 @@ def get_config():
 
 ### ipsec secret l2tp
 def write_ipsec_secrets(c):
-  tmpl = jinja2.Template(l2pt_ipsec_secrets_conf, trim_blocks=True)
-  l2pt_ipsec_secrets_txt = tmpl.render(c)
-  old_umask = os.umask(0o077)
-  open(ipsec_secrets_flie,'w').write(l2pt_ipsec_secrets_txt)
-  os.umask(old_umask)
-  sl.syslog(sl.LOG_NOTICE, ipsec_secrets_flie + ' written')
+    tmpl = jinja2.Template(l2pt_ipsec_secrets_conf, trim_blocks=True)
+    l2pt_ipsec_secrets_txt = tmpl.render(c)
+    old_umask = os.umask(0o077)
+    open(ipsec_secrets_flie,'w').write(l2pt_ipsec_secrets_txt)
+    os.umask(old_umask)
+    sl.syslog(sl.LOG_NOTICE, ipsec_secrets_flie + ' written')
 
 ### ipsec remote access connection config
 def write_ipsec_ra_conn(c):
-  tmpl = jinja2.Template(l2tp_ipsec_ra_conn_conf, trim_blocks=True)
-  ipsec_ra_conn_txt = tmpl.render(c)
-  old_umask = os.umask(0o077)
-  open(ipsec_ra_conn_file,'w').write(ipsec_ra_conn_txt)
-  os.umask(old_umask)
-  sl.syslog(sl.LOG_NOTICE, ipsec_ra_conn_file + ' written')
+    tmpl = jinja2.Template(l2tp_ipsec_ra_conn_conf, trim_blocks=True)
+    ipsec_ra_conn_txt = tmpl.render(c)
+    old_umask = os.umask(0o077)
+
+    # Create tunnels directory if does not exist
+    if not os.path.exists(ipsec_ra_conn_dir):
+        os.makedirs(ipsec_ra_conn_dir)
+        sl.syslog(sl.LOG_NOTICE, ipsec_ra_conn_dir  + " created")
+
+    open(ipsec_ra_conn_file,'w').write(ipsec_ra_conn_txt)
+    os.umask(old_umask)
+    sl.syslog(sl.LOG_NOTICE, ipsec_ra_conn_file + ' written')
 
 ### Remove config from file by delimiter
 def remove_confs(delim_begin, delim_end, conf_file):
diff --git a/src/conf_mode/system-ip.py b/src/conf_mode/system-ip.py
new file mode 100755
index 000000000..335507411
--- /dev/null
+++ b/src/conf_mode/system-ip.py
@@ -0,0 +1,81 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2019 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/>.
+
+import os
+
+from sys import exit
+from copy import deepcopy
+from vyos.config import Config
+from vyos import ConfigError
+
+default_config_data = {
+    'arp_table': 8192,
+    'ipv4_forward': '1',
+    'mp_unreach_nexthop': '0',
+    'mp_layer4_hashing': '0'
+}
+
+def sysctl(name, value):
+    os.system('sysctl -wq {}={}'.format(name, value))
+
+def get_config():
+    ip_opt = deepcopy(default_config_data)
+    conf = Config()
+    conf.set_level('system ip')
+    if conf.exists(''):
+        if conf.exists('arp table-size'):
+            ip_opt['arp_table'] = int(conf.return_value('arp table-size'))
+
+        if conf.exists('disable-forwarding'):
+            ip_opt['ipv4_forward'] = '0'
+
+        if conf.exists('multipath ignore-unreachable-nexthops'):
+            ip_opt['mp_unreach_nexthop'] = '1'
+
+        if conf.exists('multipath layer4-hashing'):
+            ip_opt['mp_layer4_hashing'] = '1'
+
+    return ip_opt
+
+def verify(ip_opt):
+    pass
+
+def generate(ip_opt):
+    pass
+
+def apply(ip_opt):
+    # apply ARP threshold values
+    sysctl('net.ipv4.neigh.default.gc_thresh3', ip_opt['arp_table'])
+    sysctl('net.ipv4.neigh.default.gc_thresh2', ip_opt['arp_table'] // 2)
+    sysctl('net.ipv4.neigh.default.gc_thresh1', ip_opt['arp_table'] // 8)
+
+    # enable/disable IPv4 forwarding
+    with open('/proc/sys/net/ipv4/conf/all/forwarding', 'w') as f:
+        f.write(ip_opt['ipv4_forward'])
+
+    # configure multipath
+    sysctl('net.ipv4.fib_multipath_use_neigh', ip_opt['mp_unreach_nexthop'])
+    sysctl('net.ipv4.fib_multipath_hash_policy', ip_opt['mp_layer4_hashing'])
+
+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-ipv6.py b/src/conf_mode/system-ipv6.py
new file mode 100755
index 000000000..bd28ec357
--- /dev/null
+++ b/src/conf_mode/system-ipv6.py
@@ -0,0 +1,109 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2019 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/>.
+
+import os
+import sys
+
+from sys import exit
+from copy import deepcopy
+from vyos.config import Config
+from vyos import ConfigError
+
+ipv6_disable_file = '/etc/modprobe.d/vyos_disable_ipv6.conf'
+
+default_config_data = {
+    'reboot_message': False,
+    'ipv6_forward': '1',
+    'disable_addr_assignment': False,
+    'mp_layer4_hashing': '0',
+    'neighbor_cache': 8192,
+    'strict_dad': '1'
+
+}
+
+def sysctl(name, value):
+    os.system('sysctl -wq {}={}'.format(name, value))
+
+def get_config():
+    ip_opt = deepcopy(default_config_data)
+    conf = Config()
+    conf.set_level('system ipv6')
+    if conf.exists(''):
+        ip_opt['disable_addr_assignment'] = conf.exists('disable')
+        if conf.exists_effective('disable') != conf.exists('disable'):
+            ip_opt['reboot_message'] = True
+
+        if conf.exists('disable-forwarding'):
+            ip_opt['ipv6_forward'] = '0'
+
+        if conf.exists('multipath layer4-hashing'):
+            ip_opt['mp_layer4_hashing'] = '1'
+
+        if conf.exists('neighbor table-size'):
+            ip_opt['neighbor_cache'] = int(conf.return_value('neighbor table-size'))
+
+        if conf.exists('strict-dad'):
+            ip_opt['strict_dad'] = 2
+
+    return ip_opt
+
+def verify(ip_opt):
+    pass
+
+def generate(ip_opt):
+    pass
+
+def apply(ip_opt):
+    # disable IPv6 address assignment
+    if ip_opt['disable_addr_assignment']:
+        with open(ipv6_disable_file, 'w') as f:
+            f.write('options ipv6 disable_ipv6=1')
+    else:
+        if os.path.exists(ipv6_disable_file):
+            os.unlink(ipv6_disable_file)
+
+    if ip_opt['reboot_message']:
+        print('Changing IPv6 disable parameter will only take affect\n' \
+              'when the system is rebooted.')
+
+    # configure multipath
+    sysctl('net.ipv6.fib_multipath_hash_policy', ip_opt['mp_layer4_hashing'])
+
+    # apply neighbor table threshold values
+    sysctl('net.ipv6.neigh.default.gc_thresh3', ip_opt['neighbor_cache'])
+    sysctl('net.ipv6.neigh.default.gc_thresh2', ip_opt['neighbor_cache'] // 2)
+    sysctl('net.ipv6.neigh.default.gc_thresh1', ip_opt['neighbor_cache'] // 8)
+
+    # enable/disable IPv6 forwarding
+    with open('/proc/sys/net/ipv6/conf/all/forwarding', 'w') as f:
+        f.write(ip_opt['ipv6_forward'])
+
+    # configure IPv6 strict-dad
+    for root, dirs, files in os.walk('/proc/sys/net/ipv6/conf'):
+        for name in files:
+            if name == "accept_dad":
+                with open(os.path.join(root, name), 'w') as f:
+                    f.write(str(ip_opt['strict_dad']))
+
+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-options.py b/src/conf_mode/system-options.py
new file mode 100755
index 000000000..4c809d044
--- /dev/null
+++ b/src/conf_mode/system-options.py
@@ -0,0 +1,81 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2019 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/>.
+
+import os
+
+from sys import exit
+from copy import deepcopy
+from vyos.config import Config
+from vyos import ConfigError
+
+systemd_ctrl_alt_del = '/lib/systemd/system/ctrl-alt-del.target'
+
+default_config_data = {
+    'ctrl_alt_del': 'ignore',
+    'reboot_on_panic': True
+}
+
+def get_config():
+    opt = deepcopy(default_config_data)
+    conf = Config()
+    conf.set_level('system options')
+    if conf.exists(''):
+        if conf.exists('ctrl-alt-del-action'):
+            opt['ctrl_alt_del'] = conf.return_value('ctrl-alt-del-action')
+
+        opt['reboot_on_panic'] = conf.exists('reboot-on-panic')
+
+    return opt
+
+def verify(opt):
+    pass
+
+def generate(opt):
+    pass
+
+def apply(opt):
+
+    # Ctrl-Alt-Delete action
+    if opt['ctrl_alt_del'] == 'ignore':
+        os.unlink('/lib/systemd/system/ctrl-alt-del.target')
+
+    elif opt['ctrl_alt_del'] == 'reboot':
+        if os.path.exists(systemd_ctrl_alt_del):
+            os.unlink(systemd_ctrl_alt_del)
+        os.symlink('/lib/systemd/system/reboot.target', systemd_ctrl_alt_del)
+
+    elif opt['ctrl_alt_del'] == 'poweroff':
+        if os.path.exists(systemd_ctrl_alt_del):
+            os.unlink(systemd_ctrl_alt_del)
+        os.symlink('/lib/systemd/system/poweroff.target', systemd_ctrl_alt_del)
+
+    # Reboot system on kernel panic
+    with open('/proc/sys/kernel/panic', 'w') as f:
+        if opt['reboot_on_panic']:
+            f.write('60')
+        else:
+            f.write('0')
+
+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/timezone.py b/src/conf_mode/system-timezone.py
index d715bd27e..d715bd27e 100755
--- a/src/conf_mode/timezone.py
+++ b/src/conf_mode/system-timezone.py
diff --git a/src/migration-scripts/l2tp/1-to-2 b/src/migration-scripts/l2tp/1-to-2
new file mode 100755
index 000000000..c46eba8f8
--- /dev/null
+++ b/src/migration-scripts/l2tp/1-to-2
@@ -0,0 +1,33 @@
+#!/usr/bin/env python3
+
+# Delete depricated outside-nexthop address
+
+import sys
+
+from vyos.configtree import ConfigTree
+
+if (len(sys.argv) < 1):
+    print("Must specify file name!")
+    sys.exit(1)
+
+file_name = sys.argv[1]
+
+with open(file_name, 'r') as f:
+    config_file = f.read()
+
+config = ConfigTree(config_file)
+
+cfg_base = ['vpn', 'l2tp', 'remote-access']
+if not config.exists(cfg_base):
+    # Nothing to do
+    sys.exit(0)
+else:
+    if config.exists(cfg_base + ['outside-nexthop']):
+        config.delete(cfg_base + ['outside-nexthop'])
+
+    try:
+        with open(file_name, 'w') as f:
+            f.write(config.to_string())
+    except OSError as e:
+        print("Failed to save the modified config: {}".format(e))
+        sys.exit(1)
diff --git a/src/migration-scripts/system/13-to-14 b/src/migration-scripts/system/13-to-14
new file mode 100755
index 000000000..c055dad1f
--- /dev/null
+++ b/src/migration-scripts/system/13-to-14
@@ -0,0 +1,40 @@
+#!/usr/bin/env python3
+#
+# Delete 'system ipv6 blacklist' option as the IPv6 module can no longer be
+# blacklisted as it is required by e.g. WireGuard and thus will always be
+# loaded.
+
+import os
+import sys
+
+ipv6_blacklist_file = '/etc/modprobe.d/vyatta_blacklist_ipv6.conf'
+
+from vyos.configtree import ConfigTree
+
+if (len(sys.argv) < 1):
+    print("Must specify file name!")
+    sys.exit(1)
+
+file_name = sys.argv[1]
+
+with open(file_name, 'r') as f:
+    config_file = f.read()
+
+config = ConfigTree(config_file)
+ip_base = ['system', 'ipv6']
+if not config.exists(ip_base):
+    # Nothing to do
+    sys.exit(0)
+else:
+    # delete 'system ipv6 blacklist' node
+    if config.exists(ip_base + ['blacklist']):
+        config.delete(ip_base + ['blacklist'])
+        if os.path.isfile(ipv6_blacklist_file):
+            os.unlink(ipv6_blacklist_file)
+
+    try:
+        with open(file_name, 'w') as f:
+            f.write(config.to_string())
+    except OSError as e:
+        print("Failed to save the modified config: {}".format(e))
+        sys.exit(1)
diff --git a/src/migration-scripts/system/14-to-15 b/src/migration-scripts/system/14-to-15
new file mode 100755
index 000000000..fd89ae57a
--- /dev/null
+++ b/src/migration-scripts/system/14-to-15
@@ -0,0 +1,38 @@
+#!/usr/bin/env python3
+#
+# Make 'system options reboot-on-panic' valueless
+
+import os
+import sys
+
+from vyos.configtree import ConfigTree
+
+if (len(sys.argv) < 1):
+    print("Must specify file name!")
+    sys.exit(1)
+
+file_name = sys.argv[1]
+
+with open(file_name, 'r') as f:
+    config_file = f.read()
+
+config = ConfigTree(config_file)
+base = ['system', 'options']
+if not config.exists(base):
+    # Nothing to do
+    sys.exit(0)
+else:
+    # delete 'system ipv6 blacklist' node
+    if config.exists(base + ['reboot-on-panic']):
+        reboot = config.return_value(base + ['reboot-on-panic'])
+        config.delete(base + ['reboot-on-panic'])
+        # create new valueless node if action was true
+        if reboot == "true":
+            config.set(base + ['reboot-on-panic'])
+
+    try:
+        with open(file_name, 'w') as f:
+            f.write(config.to_string())
+    except OSError as e:
+        print("Failed to save the modified config: {}".format(e))
+        sys.exit(1)