Avoid indefinite hang in case of missing variable values (#46)

__NODOCS__

CHANGELOG.txt

@@ -1,3 +1,5 @@
+0.15.1:
+    - Added '-input=false' to avoid indefinite hang in case of missing variables.
 0.14.4:
     - Handle existing binary on the manager.
     - Mask AWS credentials if provided through environment variables.

cloudify_tf/terraform/__init__.py

@@ -86,7 +86,7 @@ def version(self):
         return self.execute(self._tf_command(['version']), True)
 
     def init(self, additional_args=None):
-        cmdline = ['init', '-no-color']
+        cmdline = ['init', '-no-color', '-input=false']
         if self.plugins_dir:
             cmdline.append('--plugin-dir=%s' % self.plugins_dir)
         command = self._tf_command(cmdline)
@@ -95,17 +95,19 @@ def init(self, additional_args=None):
         return self.execute(command)
 
     def destroy(self):
-        command = self._tf_command(['destroy', '-auto-approve', '-no-color'])
+        command = self._tf_command(['destroy', '-auto-approve', '-no-color',
+                                    '-input=false'])
         with self._vars_file(command):
             return self.execute(command)
 
     def plan(self):
-        command = self._tf_command(['plan', '-no-color'])
+        command = self._tf_command(['plan', '-no-color', '-input=false'])
         with self._vars_file(command):
             return self.execute(command)
 
     def apply(self):
-        command = self._tf_command(['apply', '-auto-approve', '-no-color'])
+        command = self._tf_command(['apply', '-auto-approve', '-no-color',
+                                    '-input=false'])
         with self._vars_file(command):
             return self.execute(command)
 

plugin.yaml

@@ -2,7 +2,7 @@ plugins:
   tf:
     executor: central_deployment_agent
     package_name: cloudify-terraform-plugin
-    package_version: '0.15.0'
+    package_version: '0.15.1'
 
 dsl_definitions: