From eeb3cf7bd7375608aeddabc91ba8087a7c6f0f96 Mon Sep 17 00:00:00 2001
From: Michael DeHaan <michael.dehaan@gmail.com>
Date: Wed, 18 Apr 2012 22:43:17 -0400
Subject: [PATCH] make all templating happen locally, so no jinja2 deps are
 ever required

---
 template | 120 ++-----------------------------------------------------
 1 file changed, 4 insertions(+), 116 deletions(-)

diff --git a/template b/template
index 31a2095e502..a290899c5ca 100755
--- a/template
+++ b/template
@@ -17,120 +17,8 @@
 # You should have received a copy of the GNU General Public License
 # along with Ansible.  If not, see <http://www.gnu.org/licenses/>.
 
-import sys
-import os
-import jinja2
-import shlex
-try:
-    import json
-except ImportError:
-    import simplejson as json
-
-environment = jinja2.Environment()
-
-# ===========================================
-# convert arguments of form a=b c=d
-# to a dictionary
-# FIXME: make more idiomatic
-
-if len(sys.argv) == 1:
-    sys.exit(1)
-argfile = sys.argv[1]
-if not os.path.exists(argfile):
-    sys.exit(1)
-items = shlex.split(open(argfile, 'r').read())
-
-params = {}
-for x in items:
-    (k, v) = x.split("=")
-    params[k] = v
-
-source  = params['src']
-dest    = params['dest']
-metadata = params.get('metadata', '/etc/ansible/setup')
-metadata = os.path.expanduser(metadata)
-module_vars = params.get('vars')
- 
-# raise an error if there is no template metadata
-if not os.path.exists(metadata):
-    print json.dumps({
-        "failed" : 1,
-        "msg"    : "Missing %s, did you run the setup module yet?" % metadata
-    })
-    sys.exit(1)
-
-# raise an error if we can't parse the template metadata
-#data = {}
-try:
-   f = open(metadata)
-   data = json.loads(f.read())
-   f.close()
-except:
-   print json.dumps({
-       "failed" : 1,
-       "msg"    : "Failed to parse/load %s, rerun the setup module?" % metadata
-   })
-   sys.exit(1)
-
-if module_vars:
-    try:
-        f = open(module_vars)
-        vars = json.loads(f.read())
-        data.update(vars)
-        f.close()
-    except:
-        print json.dumps({
-            "failed" : 1,
-            "msg"    : "Failed to parse/load %s." % module_vars
-        })
-        sys.exit(1)
-
-if not os.path.exists(source):
-    print json.dumps({
-        "failed" : 1,
-        "msg"    : "Source template could not be read: %s" % source
-    })
-    sys.exit(1)
-
-source = file(source).read()
-
-if os.path.isdir(dest):
-    print json.dumps({
-         "failed" : 1,
-         "msg"    : "Destination is a directory"
-    })
-    sys.exit(1)
-
-# record md5sum of original source file so we can report if it changed
-changed = False
-md5sum = None
-if os.path.exists(dest):
-    md5sum = os.popen("md5sum %s" % dest).read().split()[0]
-
-try:
-    # call Jinja2 here and save the new template file
-    template = environment.from_string(source)
-    data_out = template.render(data)
-except jinja2.TemplateError, e:
-    print json.dumps({
-        "failed": True,
-        "msg"   : e.message
-    })
-    sys.exit(1)
-f = open(dest, "w+")
-f.write(data_out)
-f.close()
-
-# record m5sum and return success and whether things have changed
-md5sum2 = os.popen("md5sum %s" % dest).read().split()[0]
-
-if md5sum != md5sum2:
-    changed = True
-
-# mission accomplished
-print json.dumps({
-   "md5sum"   : md5sum2,
-   "changed"  : changed 
-})
-
+# hey the Ansible template module isn't really a remote transferred
+# module.  All the magic happens in Runner.py making use of the
+# copy module, and if not running from a playbook, also the 'slurp'
+# module.