More adjustments

- Use the generated_by() utility function to
  give the ruby template a better header comment
- Set special parameters after selecting the basic
  chef parameters.

cloudinit/config/cc_chef.py

@@ -79,13 +79,6 @@ def is_installed():
 
 def get_template_params(iid, chef_cfg, log):
     params = CHEF_RB_TPL_DEFAULTS.copy()
-    params.update({
-        'server_url': chef_cfg['server_url'],
-        'node_name': util.get_cfg_option_str(chef_cfg, 'node_name', iid),
-        'environment': util.get_cfg_option_str(chef_cfg, 'environment',
-                                               '_default'),
-        'validation_name': chef_cfg['validation_name'],
-    })
     # Allow users to overwrite any of the keys they want (if they so choose),
     # when a value is None, then the value will be set to None and no boolean
     # or string version will be populated...
@@ -101,7 +94,17 @@ def get_template_params(iid, chef_cfg, log):
                 params[k] = util.get_cfg_option_bool(chef_cfg, k)
             else:
                 params[k] = util.get_cfg_option_str(chef_cfg, k)
-    params['generated_on'] = datetime.now().isoformat()
+    # These ones are overwritten to be exact values...
+    params.update({
+        'generated_by': util.make_header(),
+        'server_url': util.get_cfg_option_str(chef_cfg, 'server_url'),
+        'node_name': util.get_cfg_option_str(chef_cfg, 'node_name',
+                                             default=iid),
+        'environment': util.get_cfg_option_str(chef_cfg, 'environment',
+                                               default='_default'),
+        'validation_name': util.get_cfg_option_str(chef_cfg,
+                                                   'validation_name'),
+    })
     return params
 
 

templates/chef_client.rb.tmpl

@@ -9,12 +9,11 @@ you need to add the following to config:
     validation_name: XYZ
     server_url: XYZ
 -#}
-
+{{generated_by}}
 {#
 The reason these are not in quotes is because they are ruby
 symbols that will be placed inside here, and not actual strings...
 #}
-# This is a generated file, created on {{generated_on}}.
 {% if log_level %}
 log_level              {{log_level}}
 {% endif %}

tests/unittests/test_handler/test_handler_chef.py

@@ -1,5 +1,5 @@
-import os
 import json
+import os
 
 from cloudinit.config import cc_chef
 
@@ -38,6 +38,24 @@ class TestChef(t_help.FilesystemMockingTestCase):
             self.assertFalse(os.path.isdir(d))
 
     def test_basic_config(self):
+        # This should create a file of the format...
+        """
+        # Created by cloud-init v. 0.7.6 on Sat, 11 Oct 2014 23:57:21 +0000
+        log_level              :info
+        ssl_verify_mode        :verify_none
+        log_location           "/var/log/chef/client.log"
+        validation_client_name "bob"
+        validation_key         "/etc/chef/validation.pem"
+        client_key             "/etc/chef/client.pem"
+        chef_server_url        "localhost"
+        environment            "_default"
+        node_name              "iid-datasource-none"
+        json_attribs           "/etc/chef/firstboot.json"
+        file_cache_path        "/var/cache/chef"
+        file_backup_path       "/var/backups/chef"
+        pid_file               "/var/run/chef/client.pid"
+        Chef::Log::Formatter.show_time = true
+        """
         tpl_file = util.load_file('templates/chef_client.rb.tmpl')
         self.patchUtils(self.tmp)
         self.patchOS(self.tmp)