diff --git a/library/container_file_write.py b/library/container_file_write.py
new file mode 100644
index 0000000..b827f9c
--- /dev/null
+++ b/library/container_file_write.py
@@ -0,0 +1,109 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+from __future__ import print_function
+from ansible.module_utils.basic import *
+
+DOCUMENTATION = '''
+---
+module: container_file_write
+author: Edoardo Putti
+short_description: Write to a file in a container
+description:
+    - Write the content to a file
+options:
+    name:
+        required: true
+        description:
+            - Name of the container
+    path:
+        required: true
+        description:
+            - path of the file to check
+    text:
+        required: true
+        description:
+            - content to write
+    append:
+        required: false
+        default: false
+        description:
+            - append instead of overwrite
+'''
+def write_file_in_container(path, text):
+    with open(path, 'w') as out:
+        out.write(text)
+    return 0
+
+def append_file_in_container(path, text):
+    with open(path, 'a') as out:
+        out.write(text)
+    return 0
+
+def main():
+    module = AnsibleModule(
+            argument_spec = dict(
+                name = dict(
+                    required = True,
+                    type = 'str',
+                    ),
+                path = dict(
+                    required = True,
+                    type = 'str',
+                    ),
+                text = dict(
+                    required = True,
+                    type = 'str',
+                    ),
+                append = dict(
+                    default = False,
+                    required = False,
+                    type = 'bool',
+                    ),
+            ),
+    )
+
+    try:
+        import lxc
+
+    except ImportError:
+        module.fail_json(
+                changed = False,
+                failed = True,
+                msg = 'Error importing lxc, is python-lxc installed?',
+                )
+
+    container_name = module.params.get('name')
+    file_path = module.params.get('path')
+    text = module.params.get('text')
+    append = module.params.get('append')
+
+    result = {}
+    result['name'] = container_name
+    result['path'] = file_path
+
+    if container_name in lxc.list_containers():
+
+        container = lxc.Container(container_name)
+
+        if append:
+            writing_function = append_file_in_container
+        else:
+            writing_function = write_file_in_container
+
+        file_exists = container.attach_wait(
+                writing_function,
+                file_path,
+                text,
+                env_policy = lxc.LXC_ATTACH_CLEAR_ENV,
+                )
+
+    else:
+        result['changed'] = False
+        result['failed'] = True
+        result['msg'] = "Target container does not exists"
+
+    module.exit_json(**result)
+
+if __name__ == '__main__':
+    main()