Rename: src/bundler.py -> src/lib/Server/Structures/bundler.py

(Logical change 1.38)


git-svn-id: https://svn.mcs.anl.gov/repos/bcfg/trunk/bcfg2@225 ce84e21b-d406-0410-9b95-82705330c041

1 files changed, 71 insertions, 0 deletions

diff --git a/src/lib/Server/Structures/bundler.py b/src/lib/Server/Structures/bundler.py
index e69de29bb..93658ed94 100644
--- a/src/lib/Server/Structures/bundler.py
+++ b/src/lib/Server/Structures/bundler.py
@@ -0,0 +1,71 @@
+#!/usr/bin/env python
+# $Id: $
+
+from copy import deepcopy
+from syslog import LOG_ERR, syslog
+
+from GeneratorUtils import SingleXMLFileBacked, DirectoryBacked
+from Structure import Structure
+
+from elementtree.ElementTree import Element, XML, tostring
+
+class ImageFile(SingleXMLFileBacked):
+    def Index(self):
+        a = XML(self.data)
+        self.attr = a.attrib
+        self.entries = a.getchildren()
+        self.images = {}
+        for child in self.entries:
+            (name, package, service) = map(lambda x:child.attrib.get(x), ['name', 'package', 'service'])
+            for grandchild in child.getchildren():
+                self.images[grandchild.attrib['name']] = (name, package, service)
+            
+class BundleSet(DirectoryBacked):
+    '''The Bundler handles creation of dependent clauses based on bundle definitions'''
+    __child__ = XMLFileBacked
+
+class bundler(Structure):
+    __name__ =  'bundler'
+    __version__ = '$Version'
+    
+    '''The bundler creates dependent clauses based on the bundle/translation scheme from bcfg1'''
+    def __init__(self, core, datastore):
+        Structure.__init__(self, core, datastore)
+        self.imageinfo = ImageFile("%s/common/imageinfo.xml"%(datastore))
+        self.core.fam.AddMonitor(self.imageinfo.name, self.imageinfo)
+        self.bundles = BundleSet(self.data, self.core.fam)
+
+    def Construct(self, metadata):
+        (system, package, service) = self.GetTransInfo(metadata)
+        bundleset = []
+        for bundlename in metadata.bundles:
+            if self.bundles.entries.has_key("%s.xml"%(bundlename)):
+                bundle = self.bundles.entries["%s.xml"%(bundlename)]
+            else:
+                syslog(LOG_ERR, "Client %s requested nonexistent bundle %s"%(metadata.hostname, bundlename))
+                continue
+            b = Element("Bundle", name=bundlename)
+            for entry in bundle.entries:
+                if entry.tag != 'System':
+                    d = deepcopy(entry)
+                    b.append(d)
+                else:
+                    if entry.attrib['name'] == system:
+                        d = deepcopy(entry.getchildren())
+                        b._children += d
+            for entry in b._children:
+                if entry.tag == 'Package':
+                    entry.attrib['type'] = package
+                elif entry.tag == 'Service':
+                    entry.attrib['type'] = service
+            bundleset.append(b)
+        return bundleset
+
+    def GetTransInfo(self, metadata):
+        if self.imageinfo.images.has_key(metadata.image):
+            return self.imageinfo.images[metadata.image]
+        else:
+            raise KeyError, metadata.image
+
+    
+