[lnst] Config: Adding cache expiration_period to slave config

[Jiří Pírko]

commit 19d6c84b39354b57278f731e87fe182042d5680a
Author: Radek Pazdera <rpazdera(a)redhat.com&gt;
Date:   Thu Nov 8 16:17:52 2012 +0100

    Config: Adding cache expiration_period to slave config
    
    Signed-off-by: Radek Pazdera <rpazdera(a)redhat.com&gt;

 Common/Config.py |   26 ++++++++++++++++++++++++++
 lnst-slave.conf  |    1 +
 2 files changed, 27 insertions(+), 0 deletions(-)
---
diff --git a/Common/Config.py b/Common/Config.py
index 41438a6..9cd18b0 100644
--- a/Common/Config.py
+++ b/Common/Config.py
@@ -56,6 +56,8 @@ class Config():
         self.options['cache']['dir'] = os.path.abspath(os.path.join(
                 os.path.dirname(sys.argv[0]), './cache'))
 
+        self.options['cache']['expiration_period'] = 7*24*60*60 # 1 week
+
     def get_config(self):
         return self.options
 
@@ -126,6 +128,9 @@ class Config():
         for option in config:
             if option == 'cache_dir':
                 section['dir'] = self.optionPath(config[option], cfg_path)
+            elif option == 'expiration_period':
+                value = self.optionTimeval(config[option])
+                section['expiration_period'] = value
             else:
                 msg = "Unknown option: %s in section cache" % option
                 raise ConfigError(msg)
@@ -200,3 +205,24 @@ class Config():
             dirs.append(norm_path)
 
         return dirs
+
+    def optionTimeval(self, option):
+        timeval_re = "^(([0-9]+)days?)?\s*(([0-9]+)hours?)?\s*" \
+                     "(([0-9]+)minutes?)?\s*(([0-9]+)seconds?)?$"
+        timeval_match = re.match(timeval_re, option)
+        if timeval_match:
+            values = timeval_match.groups()
+            timeval = 0
+            if values[1]:
+                timeval += int(values[1])*24*60*60
+            if values[3]:
+                timeval += int(values[3])*60*60
+            if values[5]:
+                timeval += int(values[5])*60
+            if values[7]:
+                timeval += int(values[7])
+        else:
+            msg = "Incorrect timeval format."
+            raise ConfigError(msg)
+
+        return timeval
diff --git a/lnst-slave.conf b/lnst-slave.conf
index 6a9bfe1..924d0c7 100644
--- a/lnst-slave.conf
+++ b/lnst-slave.conf
@@ -1,2 +1,3 @@
 [cache]
 cache_dir = ./cache
+expiration_period = 7days