diff options
Diffstat (limited to 'morphlib/writeexts.py')
| -rw-r--r-- | morphlib/writeexts.py | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/morphlib/writeexts.py b/morphlib/writeexts.py index d6f23e0d..74587bd1 100644 --- a/morphlib/writeexts.py +++ b/morphlib/writeexts.py @@ -104,7 +104,18 @@ class WriteExtension(cliapp.Application): self.output.write('%s\n' % (kwargs['msg'] % kwargs)) self.output.flush() - + + def check_for_btrfs_in_deployment_host_kernel(self): + with open('/proc/filesystems') as f: + text = f.read() + return '\tbtrfs\n' in text + + def require_btrfs_in_deployment_host_kernel(self): + if not self.check_for_btrfs_in_deployment_host_kernel(): + raise cliapp.AppException( + 'Error: Btrfs is required for this deployment, but was not ' + 'detected in the kernel of the machine that is running Morph.') + def create_local_system(self, temp_root, raw_disk): '''Create a raw system image locally.''' size = self.get_disk_size() |