added ability to disable Properties write-back

1 files changed, 28 insertions, 20 deletions

diff --git a/src/lib/Bcfg2/Server/Plugins/Properties.py b/src/lib/Bcfg2/Server/Plugins/Properties.py
index 8d3e049d4..6d1c21328 100644
--- a/src/lib/Bcfg2/Server/Plugins/Properties.py
+++ b/src/lib/Bcfg2/Server/Plugins/Properties.py
@@ -32,18 +32,27 @@ class PropertyFile(Bcfg2.Server.Plugin.StructFile):
     def write(self):
         """ Write the data in this data structure back to the property
         file """
-        if self.validate_data():
-            try:
-                open(self.name,
-                     "wb").write(lxml.etree.tostring(self.xdata,
-                                                     pretty_print=True))
-                return True
-            except IOError:
-                err = sys.exc_info()[1]
-                logger.error("Failed to write %s: %s" % (self.name, err))
-                return False
-        else:
-            return False
+        if not SETUP.cfp.getboolean("properties", "writes_enabled",
+                                    default=True):
+            msg = "Properties files write-back is disabled in the configuration"
+            logger.error(msg)
+            raise Bcfg2.Server.Plugin.PluginExecutionError(msg)
+        try:
+            self.validate_data()
+        except Bcfg2.Server.Plugin.PluginExecutionError:
+            msg = "Cannot write %s: %s" % (self.name, sys.exc_info()[1])
+            logger.error(msg)
+            raise Bcfg2.Server.Plugin.PluginExecutionError(msg)
+
+        try:
+            open(self.name, "wb").write(lxml.etree.tostring(self.xdata,
+                                                            pretty_print=True))
+            return True
+        except IOError:
+            err = sys.exc_info()[1]
+            msg = "Failed to write %s: %s" % (self.name, err)
+            logger.error(msg)
+            raise Bcfg2.Server.Plugin.PluginExecutionError(msg)
 
     def validate_data(self):
         """ ensure that the data in this object validates against the
@@ -53,16 +62,14 @@ class PropertyFile(Bcfg2.Server.Plugin.StructFile):
             try:
                 schema = lxml.etree.XMLSchema(file=schemafile)
             except:
-                logger.error("Failed to process schema for %s" % self.name)
-                return False
+                err = sys.exc_info()[1]
+                raise Bcfg2.Server.Plugin.PluginExecutionError("Failed to process schema for %s: %s" % (self.name, err))
         else:
             # no schema exists
             return True
 
         if not schema.validate(self.xdata):
-            logger.error("Data for %s fails to validate; run bcfg2-lint for "
-                         "more details" % self.name)
-            return False
+            raise Bcfg2.Server.Plugin.PluginExecutionError("Data for %s fails to validate; run bcfg2-lint for more details" % self.name)
         else:
             return True
 
@@ -129,11 +136,12 @@ class Properties(Bcfg2.Server.Plugin.Plugin,
         SETUP = core.setup
 
     def get_additional_data(self, metadata):
-        autowatch = self.core.setup.cfp.getboolean("properties", "automatch")
+        autowatch = self.core.setup.cfp.getboolean("properties", "automatch",
+                                                   default=False)
         rv = dict()
         for fname, pfile in self.store.entries.items():
-            if autowatch or pfile.xdata.get("automatch",
-                                            "false").lower() == "true":
+            if (autowatch or
+                pfile.xdata.get("automatch", "false").lower() == "true"):
                 rv[fname] = pfile.XMLMatch(metadata)
             else:
                 rv[fname] = copy.copy(pfile)