From a467fabbb5091783ebf7dd745ec7b90b847a900f Mon Sep 17 00:00:00 2001
From: Christian Poessinger <christian@poessinger.com>
Date: Wed, 23 Oct 2019 05:46:34 +0200
Subject: ddclient: T1030: auto create runtime directories

(cherry picked from commit 760ac992c827734032cc41a77ba21bcc4bde50e1)
---
 src/conf_mode/dynamic_dns.py | 25 ++++++++++++++++++++-----
 1 file changed, 20 insertions(+), 5 deletions(-)

(limited to 'src/conf_mode')

diff --git a/src/conf_mode/dynamic_dns.py b/src/conf_mode/dynamic_dns.py
index d4e890ebb..3dc6857f9 100755
--- a/src/conf_mode/dynamic_dns.py
+++ b/src/conf_mode/dynamic_dns.py
@@ -23,14 +23,15 @@ from vyos import ConfigError
 
 config_file = r'/etc/ddclient/ddclient.conf'
 cache_file = r'/var/cache/ddclient/ddclient.cache'
+pid_file = r'/var/run/ddclient/ddclient.pid'
 
 config_tmpl = """
 ### Autogenerated by dynamic_dns.py ###
 daemon=1m
 syslog=yes
 ssl=yes
-pid=/var/run/ddclient/ddclient.pid
-cache=/var/cache/ddclient/ddclient.cache
+pid={{ pid_file }}
+cache={{ cache_file }}
 
 {% for interface in interfaces -%}
 
@@ -89,6 +90,8 @@ default_service_protocol = {
 
 default_config_data = {
     'interfaces': [],
+    'cache_file': cache_file,
+    'pid_file': pid_file
 }
 
 def get_config():
@@ -235,8 +238,15 @@ def generate(dyndns):
     if dyndns is None:
         return None
 
-    tmpl = jinja2.Template(config_tmpl)
+    dirname = os.path.dirname(dyndns['pid_file'])
+    if not os.path.exists(dirname):
+        os.mkdir(dirname)
+
+    dirname = os.path.dirname(config_file)
+    if not os.path.exists(dirname):
+        os.mkdir(dirname)
 
+    tmpl = jinja2.Template(config_tmpl)
     config_text = tmpl.render(dyndns)
     with open(config_file, 'w') as f:
         f.write(config_text)
@@ -244,11 +254,16 @@ def generate(dyndns):
     return None
 
 def apply(dyndns):
-    if os.path.exists(cache_file):
-        os.unlink(cache_file)
+    if os.path.exists(dyndns['cache_file']):
+        os.unlink(dyndns['cache_file'])
+
+    if os.path.exists('/etc/ddclient.conf'):
+        os.unlink('/etc/ddclient.conf')
 
     if dyndns is None:
         os.system('/etc/init.d/ddclient stop')
+        if os.path.exists(dyndns['pid_file']):
+            os.unlink(dyndns['pid_file'])
     else:
         os.system('/etc/init.d/ddclient restart')
 
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