From f69924cf4dae420dbc871679df18d15c0a76225c Mon Sep 17 00:00:00 2001
From: Christian Poessinger <christian@poessinger.com>
Date: Sun, 5 Apr 2020 20:44:38 +0200
Subject: igmp-proxy: T2230: move inlined templates to dedicated files

---
 src/conf_mode/igmp_proxy.py | 94 +++++++++++++++------------------------------
 1 file changed, 30 insertions(+), 64 deletions(-)

(limited to 'src/conf_mode')

diff --git a/src/conf_mode/igmp_proxy.py b/src/conf_mode/igmp_proxy.py
index cd0704124..aa46f2c4e 100755
--- a/src/conf_mode/igmp_proxy.py
+++ b/src/conf_mode/igmp_proxy.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 #
-# Copyright (C) 2018 VyOS maintainers and contributors
+# Copyright (C) 2018-2020 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
@@ -13,60 +13,20 @@
 #
 # 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 sys
 import os
-import jinja2
+
+from sys import exit
+from copy import deepcopy
+from jinja2 import FileSystemLoader, Environment
 
 from netifaces import interfaces
 from vyos.config import Config
+from vyos.defaults import directories as vyos_data_dir
 from vyos import ConfigError
 
 config_file = r'/etc/igmpproxy.conf'
 
-# Please be careful if you edit the template.
-config_tmpl = """
-########################################################
-#
-# autogenerated by igmp_proxy.py
-#
-#   The configuration file must define one upstream
-#   interface, and one or more downstream interfaces.
-#
-#   If multicast traffic originates outside the
-#   upstream subnet, the "altnet" option can be
-#   used in order to define legal multicast sources.
-#   (Se example...)
-#
-#   The "quickleave" should be used to avoid saturation
-#   of the upstream link. The option should only
-#   be used if it's absolutely nessecary to
-#   accurately imitate just one Client.
-#
-########################################################
-
-{% if not disable_quickleave -%}
-quickleave
-{% endif -%}
-
-{% for interface in interfaces %}
-# Configuration for {{ interface.name }} ({{ interface.role }} interface)
-{% if interface.role == 'disabled' -%}
-phyint {{ interface.name }} disabled
-{%- else -%}
-phyint {{ interface.name }} {{ interface.role }} ratelimit 0 threshold {{ interface.threshold }}
-{%- endif -%}
-{%- for subnet in interface.alt_subnet %}
-        altnet {{ subnet }}
-{%- endfor %}
-{%- for subnet in interface.whitelist %}
-        whitelist {{ subnet }}
-{%- endfor %}
-{% endfor %}
-"""
-
 default_config_data = {
     'disable': False,
     'disable_quickleave': False,
@@ -74,23 +34,24 @@ default_config_data = {
 }
 
 def get_config():
-    igmp_proxy = default_config_data
+    igmp_proxy = deepcopy(default_config_data)
     conf = Config()
-    if not conf.exists('protocols igmp-proxy'):
+    base = ['protocols', 'igmp-proxy']
+    if not conf.exists(base):
         return None
     else:
-        conf.set_level('protocols igmp-proxy')
+        conf.set_level(base)
 
     # Network interfaces to listen on
-    if conf.exists('disable'):
+    if conf.exists(['disable']):
         igmp_proxy['disable'] = True
 
     # Option to disable "quickleave"
-    if conf.exists('disable-quickleave'):
+    if conf.exists(['disable-quickleave']):
         igmp_proxy['disable_quickleave'] = True
 
-    for intf in conf.list_nodes('interface'):
-        conf.set_level('protocols igmp-proxy interface {0}'.format(intf))
+    for intf in conf.list_nodes(['interface']):
+        conf.set_level(base + ['interface', intf])
         interface = {
             'name': intf,
             'alt_subnet': [],
@@ -99,17 +60,17 @@ def get_config():
             'whitelist': []
         }
 
-        if conf.exists('alt-subnet'):
-            interface['alt_subnet'] = conf.return_values('alt-subnet')
+        if conf.exists(['alt-subnet']):
+            interface['alt_subnet'] = conf.return_values(['alt-subnet'])
 
-        if conf.exists('role'):
-            interface['role'] = conf.return_value('role')
+        if conf.exists(['role']):
+            interface['role'] = conf.return_value(['role'])
 
-        if conf.exists('threshold'):
-            interface['threshold'] = conf.return_value('threshold')
+        if conf.exists(['threshold']):
+            interface['threshold'] = conf.return_value(['threshold'])
 
-        if conf.exists('whitelist'):
-            interface['whitelist'] = conf.return_values('whitelist')
+        if conf.exists(['whitelist']):
+            interface['whitelist'] = conf.return_values(['whitelist'])
 
         # Append interface configuration to global configuration list
         igmp_proxy['interfaces'].append(interface)
@@ -153,7 +114,12 @@ def generate(igmp_proxy):
         print('Warning: IGMP Proxy will be deactivated because it is disabled')
         return None
 
-    tmpl = jinja2.Template(config_tmpl)
+    # Prepare Jinja2 template loader from files
+    tmpl_path = os.path.join(vyos_data_dir['data'], 'templates', 'igmp-proxy')
+    fs_loader = FileSystemLoader(tmpl_path)
+    env = Environment(loader=fs_loader)
+
+    tmpl = env.get_template('igmpproxy.conf.tmpl')
     config_text = tmpl.render(igmp_proxy)
     with open(config_file, 'w') as f:
         f.write(config_text)
@@ -167,7 +133,7 @@ def apply(igmp_proxy):
          if os.path.exists(config_file):
              os.unlink(config_file)
     else:
-        os.system('sudo systemctl restart igmpproxy.service')
+        os.system('systemctl restart igmpproxy.service')
 
     return None
 
@@ -179,4 +145,4 @@ if __name__ == '__main__':
         apply(c)
     except ConfigError as e:
         print(e)
-        sys.exit(1)
+        exit(1)
-- 
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