Add mkimg step

1 files changed, 49 insertions, 0 deletions

diff --git a/vmdb/plugins/mkimg_plugin.py b/vmdb/plugins/mkimg_plugin.py
new file mode 100644
index 0000000..274187a
--- /dev/null
+++ b/vmdb/plugins/mkimg_plugin.py
@@ -0,0 +1,49 @@
+# Copyright 2017  Lars Wirzenius
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+# =*= License: GPL-3+ =*=
+
+
+
+import logging
+import sys
+
+import cliapp
+
+import vmdb
+
+
+class MkimgPlugin(cliapp.Plugin):
+
+    def enable(self):
+        self.app.step_runners.add(MkimgStepRunner())
+        self.app.settings.bytesize(
+            ['size'],
+            'size of output image',
+            default='1GiB')
+        
+
+class MkimgStepRunner(vmdb.StepRunnerInterface):
+
+    def get_required_keys(self):
+        return ['mkimg']
+
+    def run(self, step_spec, settings, state):
+        filename = step_spec['mkimg']
+        size = step_spec['size']
+        sys.stdout.write(
+            'Creating image file {} (size {})\n'.format(filename, size))
+        cliapp.runcmd(
+            ['qemu-img', 'create', '-f', 'raw', filename, size])