Merge pull request #1 from Taniadz/request

T393: Migrate vyatta-lldpd to vyos-1x: partial implementation of the config script

1 files changed, 218 insertions, 0 deletions

diff --git a/src/conf-mode/vyos-config-lldp.py b/src/conf-mode/vyos-config-lldp.py
new file mode 100644
index 000000000..ba7e9cb13
--- /dev/null
+++ b/src/conf-mode/vyos-config-lldp.py
@@ -0,0 +1,218 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2017 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 re
+import sys
+
+from vyos.config import Config
+from vyos.util import ConfigError
+
+
+
+def get_options(config):
+    options ={}
+    config.set_level('service lldp')
+    options['listen_vlan'] = config.exists('listen-vlan')
+
+    options["addr"] = config.return_value('management-address')
+
+    snmp = config.exists('snmp enable')
+    options["snmp"] = snmp
+    if snmp:
+        config.set_level('')
+        options["sys_snmp"] = config.exists('service snmp')
+        config.set_level('service lldp')
+
+    config.set_level('service lldp legacy-protocols')
+    options["cdp"] = config.exists("cdp")
+    options["edp"] = config.exists("edp")
+    options["fdp"] = config.exists("fdp")
+    options["sonmp"] = config.exists("sonmp")
+    return options
+
+
+def get_interface_list(config):
+    config.set_level('service lldp')
+    intfs_names = config.list_nodes('interface')
+    if len(intfs_names) < 0:
+        return 0
+    interface_list = []
+    for name in intfs_names:
+        config.set_level("service lldp interface {0}".format(name))
+        disable = config.exists('disable')
+        intf = {
+            "name": name,
+            "disable": disable
+        }
+        interface_list.append(intf)
+    return interface_list
+
+
+def get_location_intf(config, name):
+    path = "service lldp interface {0}".format(name)
+    config.set_level(path)
+    if config.exists("location"):
+        return 0
+    config.set_level("{} location".format(path))
+    civic_based = {}
+    elin = None
+    coordinate_based = {}
+
+    if config.exists('civic-based'):
+        config.set_level("{} location civic-based".format(path))
+        cc = config.return_value("country-code")
+        civic_based["country_code"] = cc
+        civic_based["ca_type"] = []
+        ca_types_names = config.list_nodes('ca-type')
+        if ca_types_names:
+            for ca_types_name in ca_types_names:
+                config.set_level("{0} location civic-based ca-type {1}".format(path, ca_types_name))
+                ca_val = config.return_value('ca-value')
+                ca_type = {
+                    "name": ca_types_name,
+                    "ca_val": ca_val
+                }
+                civic_based["ca_type"].append(ca_type)
+
+    elif config.exists("elin"):
+        elin = config.return_value("elin")
+
+    elif config.exists("coordinate-based"):
+        config.set_level("{} location coordinate-based".format(path))
+        alt = config.return_value("altitude")
+        lat = config.return_value("latitude")
+        long = config.return_value("longitude")
+        datum = config.return_value("datum")
+        coordinate_based["altitude"] = alt
+        coordinate_based["latitude"] = lat
+        coordinate_based["longitude"] = long
+        coordinate_based["datum"] = datum
+
+    intf = {
+        "name": name,
+        "civic_based": civic_based,
+        "elin": elin,
+        "coordinate_based": coordinate_based
+
+    }
+    return intf
+
+
+def get_location(config):
+    config.set_level('service lldp')
+    intfs_names = config.list_nodes('interface')
+    if len(intfs_names) < 0:
+        return 0
+    if config.exists("disable"):
+        return 0
+    intfs_location = []
+    for name in intfs_names:
+        intf = get_location_intf(config, name)
+        intfs_location.append(intf)
+    return intfs_location
+
+
+def get_config():
+    conf = Config()
+    options = get_options(conf)
+    interface_list = get_interface_list(conf)
+    location = get_location(conf)
+    lldp = {"options": options, "interface_list": interface_list, "location": location}
+    return lldp
+
+
+def verify(lldp):
+
+    # check location
+    for location in lldp["location"]:
+
+        # check civic-based
+        if len(location["civic_based"]) > 0:
+            if len(location["coordinate_based"]) > 0 or location["elin"]:
+                raise ConfigError("Can only configure 1 location type for interface {0}".format(location["name"]))
+
+            # check country-code
+            if not location["civic_based"]["country_code"]:
+                raise ConfigError("Invalid location for interface {0}: must configure the country code".format(location["name"]))
+
+            if not re.match(r"^[a-zA-Z]{2}$", location["civic_based"]["country_code"]):
+                raise ConfigError("Invalid location for interface {0}: country-code must be 2 characters".format(location["name"]))
+            # check ca-type
+            if len(location["civic_based"]["ca_type"]) < 0:
+                raise ConfigError("Invalid location for interface {0}: must define at least 1 ca-type".format(location["name"]))
+
+            for ca_type in location["civic_based"]["ca_type"]:
+                if not int(ca_type["name"]) in range(0, 129):
+                    raise ConfigError("Invalid location for interface {0}: ca-type must between 0-128".format(location["name"]))
+
+                if not ca_type["ca_val"]:
+                    raise ConfigError("Invalid location for interface {0}: must configure the ca-value for ca-type {1}".format(location["name"],ca_type["name"]))
+
+        # check coordinate-based
+        elif len(location["coordinate_based"]) > 0:
+            # check longitude and latitude
+            if not location["coordinate_based"]["longitude"]:
+                raise ConfigError("Must define longitude for interface {0}".format(location["name"]))
+
+            if not location["coordinate_based"]["latitude"]:
+                raise ConfigError("Must define latitude for interface {0}".format(location["name"]))
+
+            if not re.match(r"^(\d+)(\.\d+)?[nNsS]$", location["coordinate_based"]["latitude"]):
+                raise ConfigError("Invalid location for interface {0}: latitude should be a number followed by S or N".format(location["name"]))
+
+            if not re.match(r"^(\d+)(\.\d+)?[eEwW]$", location["coordinate_based"]["longitude"]):
+                raise ConfigError("Invalid location for interface {0}: longitude should be a number followed by E or W".format(location["name"]))
+
+            # check altitude and datum if exist
+            if location["coordinate_based"]["altitude"]:
+                if not re.match(r"^[-+0-9\.]+$", location["coordinate_based"]["altitude"]):
+                    raise ConfigError("Invalid location for interface {0}: altitude should be a positive or negative number".format(location["name"]))
+
+            if location["coordinate_based"]["datum"]:
+                if not re.match(r"^(WGS84|NAD83|MLLW)$", location["coordinate_based"]["datum"]):
+                    raise ConfigError("Invalid location for interface {0}: datum should be WGS84, NAD83, or MLLW".format(location["name"]))
+
+        # check elin
+        elif len(location["elin"]) > 0:
+            if not re.match(r"^[0-9]{10,25}$", location["elin"]):
+                raise ConfigError("Invalid location for interface {0}: ELIN number must be between 10-25 numbers".format(location["name"]))
+
+    # check options
+    if lldp["options"]["snmp"]:
+        if not lldp["options"]["sys_snmp"]:
+            raise ConfigError("SNMP must be configured to enable LLDP SNMP")
+
+
+def generate(config):
+    pass
+
+
+def apply(config):
+    pass
+
+if __name__ == '__main__':
+    try:
+        c = get_config()
+        verify(c)
+        generate(c)
+        apply(c)
+    except ConfigError as e:
+        print(e)
+        sys.exit(1)
+