Add sync command, make *cb* boolean available within Jinja context

README.md

@@ -27,5 +27,6 @@ Commands:
   delete             Deletes stacks or stack groups
   provision          Creates or updates stacks or stack groups
   render             Renders template and its parameters
+  sync               Renders template and provisions it right away
   validate           Validates already rendered templates using cfn-lint
 ```

cloudbender/cli.py

@@ -36,12 +36,37 @@ def render(cb, stack_names, multi):
     """ Renders template and its parameters """
 
     stacks = _find_stacks(cb, stack_names, multi)
-
     for s in stacks:
         s.render()
         s.write_template_file()
 
 
+@click.command()
+@click.argument("stack_names", nargs=-1)
+@click.option("--multi", is_flag=True, help="Allow more than one stack to match")
+@click.pass_obj
+def sync(cb, stack_names, multi):
+    """ Renders template and provisions it right away """
+
+    stacks = _find_stacks(cb, stack_names, multi)
+    for step in sort_stacks(cb, stacks):
+        if step:
+            with ThreadPoolExecutor(max_workers=len(step)) as group:
+                futures = []
+                for stack in step:
+                    stack.render()
+                    stack.write_template_file()
+
+                    status = stack.get_status()
+                    if not status:
+                        futures.append(group.submit(stack.create))
+                    else:
+                        futures.append(group.submit(stack.update))
+
+                for future in as_completed(futures):
+                    future.result()
+
+
 @click.command()
 @click.argument("stack_names", nargs=-1)
 @click.option("--multi", is_flag=True, help="Allow more than one stack to match")
@@ -182,6 +207,7 @@ def _find_stacks(cb, stack_names, multi=False):
 
 
 cli.add_command(render)
+cli.add_command(sync)
 cli.add_command(validate)
 cli.add_command(provision)
 cli.add_command(delete)

cloudbender/stack.py

@@ -93,10 +93,16 @@ class Stack(object):
             'CloudBender.Version': __version__
         }
 
-        jenv.globals['_config'] = {'cfn': self.template_vars, 'Metadata': template_metadata}
+        cb = False
+        if self.template_vars['Mode'] == "CloudBender":
+            cb = True
+
+        _config = {'cb': cb, 'cfn': self.template_vars, 'Metadata': template_metadata}
+
+        jenv.globals['_config'] = _config
 
         # First render pass to calculate a md5 checksum
-        template_metadata['Template.Hash'] = hashlib.md5(template.render({'cfn': self.template_vars, 'Metadata': template_metadata}).encode('utf-8')).hexdigest()
+        template_metadata['Template.Hash'] = hashlib.md5(template.render(_config).encode('utf-8')).hexdigest()
 
         # Reset and set Metadata for final render pass
         jenv.globals['get_custom_att'](context={'_config': self.template_vars}, reset=True)
@@ -113,7 +119,7 @@ class Stack(object):
             pass
 
         logger.info('Rendering %s', template.filename)
-        rendered = template.render({'cfn': self.template_vars, 'Metadata': template_metadata})
+        rendered = template.render(_config)
 
         try:
             self.data = yaml.load(rendered)