From ae44f106be38fe5d073260e2edaa3126861d9e6f Mon Sep 17 00:00:00 2001
From: "Chris St. Pierre" <chris.a.st.pierre@gmail.com>
Date: Wed, 3 Aug 2011 15:42:28 -0400
Subject: added buildbundle command to bcfg2-info to render a bundle template

---
 doc/help/troubleshooting.txt                    |  1 +
 doc/server/bcfg2-info.txt                       |  6 ++++++
 doc/server/plugins/structures/bundler/index.txt | 20 +++++--------------
 src/sbin/bcfg2-info                             | 26 +++++++++++++++++++++++++
 4 files changed, 38 insertions(+), 15 deletions(-)

diff --git a/doc/help/troubleshooting.txt b/doc/help/troubleshooting.txt
index cb68a02c5..b0eeca33e 100644
--- a/doc/help/troubleshooting.txt
+++ b/doc/help/troubleshooting.txt
@@ -71,6 +71,7 @@ operations
 * groups - Current group metadata values
 * mappings - Configuration entries provided by plugins
 * buildfile <filename> <hostname> - Build a config file for a client
+* buildbundle <bundle> <hostname> - Render a templated bundle for a client
 * showentries <client> <type> - Build the abstract configuration (list
   of entries) for a client
 * build <hostname> <output-file> - Build the complete configuration
diff --git a/doc/server/bcfg2-info.txt b/doc/server/bcfg2-info.txt
index 201900ba9..912cb73ab 100644
--- a/doc/server/bcfg2-info.txt
+++ b/doc/server/bcfg2-info.txt
@@ -92,6 +92,12 @@ commands.
      displays a list of entries (optionally filtered by type) that
      appear in a client's configuration specification
 
+**buildbundle**
+     Render a single bundle template.  This only performs the template
+     rendering step; it does not fully bind all entries in the
+     bundle. This command is very useful when developing bundle
+     templates.
+
 **buildfile**
      Perform the entry binding process on a single entry, displaying
      its results. This command is very useful when developing
diff --git a/doc/server/plugins/structures/bundler/index.txt b/doc/server/plugins/structures/bundler/index.txt
index ad0c0c7f1..0cc2a0e55 100644
--- a/doc/server/plugins/structures/bundler/index.txt
+++ b/doc/server/plugins/structures/bundler/index.txt
@@ -169,24 +169,14 @@ has an additional `xmlns:py` attribute. See the examples.
 Troubleshooting
 ---------------
 
-There is no :ref:`bcfg2-info <server-bcfg2-info>` command like
-``buildfile`` for Bundler templates, so if you want to generate a
-Bundler template for a given client, you have to do so manually by
-first invoking ``bcfg2-info debug``, then run::
+To render a bundle for a given client, you can run::
 
-    metadata = self.build_metadata("<hostname>")
-    path = "<full path to template file>"
-    from genshi.template import TemplateLoader, MarkupTemplate
-    template = TemplateLoader().load(path, cls=MarkupTemplate)
-    print template.generate(metadata=metadata).render('xml')
+    bcfg2-info buildbundle <bundle name> <hostname>
 
-``path`` needs to be the full path to the template file on the
-filesystem, not just within the Bcfg2 repo.
+This will render the template; it will not fully bind all of the
+entries in the bundle.
 
-If you are making changes to your template and you want to tell your
-filemonitor to process any pending changes, you can do the following::
-
-    self.fam.handle_events_in_interval(0.1)
+See :ref:`bcfg2-info <server-bcfg2-info>` for more details.
 
 Altsrc
 ======
diff --git a/src/sbin/bcfg2-info b/src/sbin/bcfg2-info
index 951a5df58..1a5859cc3 100755
--- a/src/sbin/bcfg2-info
+++ b/src/sbin/bcfg2-info
@@ -24,6 +24,7 @@ import Bcfg2.Logger
 import Bcfg2.Options
 import Bcfg2.Server.Core
 import Bcfg2.Server.Plugins.Metadata
+import Bcfg2.Server.Plugins.SGenshi
 import Bcfg2.Server.Plugin
 
 logger = logging.getLogger('bcfg2-info')
@@ -32,6 +33,7 @@ build <hostname> <filename> - Build config for hostname, writing to filename
 builddir <hostname> <dirname> - Build config for hostname, writing separate files to dirname
 buildall <directory> - Build configs for all clients in directory
 buildfile <filename> <hostname> - Build config file for hostname (not written to disk)
+buildbundle <bundle> <hostname> - Render a templated bundle for hostname (not written to disk)
 bundles - Print out group/bundle information
 clients - Print out client/profile information
 config - Print out the configuration of the Bcfg2 server
@@ -272,6 +274,30 @@ class infoCore(cmd.Cmd, Bcfg2.Server.Core.Core):
         else:
             print('Usage: buildfile filename hostname')
 
+    def do_buildbundle(self, args):
+        """Render a bundle for client."""
+        if len(args.split()) == 2:
+            bname, client = args.split()
+            try:
+                metadata = self.build_metadata(client)
+                if bname in self.plugins['Bundler'].entries:
+                    bundle = self.plugins['Bundler'].entries[bname]
+                    if isinstance(bundle,
+                                  Bcfg2.Server.Plugins.SGenshi.SGenshiTemplateFile):
+                        stream = bundle.template.generate(metadata=metadata)
+                        print(stream.render("xml"))
+                    else:
+                        print(bundle.data)
+                else:
+                    print("No such bundle %s" % bname)
+            except:
+                err = sys.exc_info()[1]
+                print("Failed to render bundle %s for host %s: %s" % (bname,
+                                                                      client,
+                                                                      err))
+        else:
+            print('Usage: buildfile filename hostname')
+
     def do_bundles(self, _):
         """Print out group/bundle info."""
         data = [('Group', 'Bundles')]
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