----- Original Message -----
From: "David Lehman" dlehman@redhat.com To: anaconda-patches@lists.fedorahosted.org Sent: Friday, December 13, 2013 10:55:33 AM Subject: [PATCH 5/6] Add an example of creating lvs using growable requests.
examples/lvm.py | 64 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 64 insertions(+) create mode 100644 examples/lvm.py
diff --git a/examples/lvm.py b/examples/lvm.py new file mode 100644 index 0000000..3d9f451 --- /dev/null +++ b/examples/lvm.py @@ -0,0 +1,64 @@ +import logging +import sys +import os
+from common import set_up_logging +from common import create_sparse_file +from common import tear_down_disk_images +from common import print_devices
+# doing this before importing blivet gets the logging from format class +# registrations and other stuff triggered by the import +set_up_logging() +blivet_log = logging.getLogger("blivet") +blivet_log.info(sys.argv[0])
+import blivet +from blivet.size import Size
+b = blivet.Blivet() # create an instance of Blivet (don't add system devices)
+# create two disk image files on which to create new devices +disk1_file = create_sparse_file(b, "disk1", Size(spec="100GB")) +b.config.diskImages["disk1"] = disk1_file
+b.reset()
+try:
- disk1 = b.devicetree.getDeviceByName("disk1")
- b.initializeDisk(disk1)
- pv = b.newPartition(size=Size(spec="50GB"), fmt_type="lvmpv")
- b.createDevice(pv)
- # allocate the partitions (decide where and on which disks they'll
reside)
- blivet.partitioning.doPartitioning(b)
- vg = b.newVG(parents=[pv])
- b.createDevice(vg)
- # new lv with base size 5GB and unbounded growth and an ext4 filesystem
- dev = b.newLV(fmt_type="ext4", size=Size(spec="5GB"), grow=True,
parents=[vg], name="unbounded")
- b.createDevice(dev)
- # new lv with base size 5GB and growth up to 15GB and an ext4 filesystem
- dev = b.newLV(fmt_type="ext4", size=Size(spec="5GB"), grow=True,
maxsize=Size(spec="15GB"), parents=[vg], name="bounded")
- b.createDevice(dev)
- # new lv with a fixed size of 2GB formatted as swap space
- dev = b.newLV(fmt_type="swap", size=Size(spec="2GB"), parents=[vg])
- b.createDevice(dev)
- # allocate the growable lvs
- blivet.partitioning.growLVM(b)
- print_devices(b)
- # write the new partitions to disk and format them as specified
- b.doIt()
- print_devices(b)
+finally:
- tear_down_disk_images(b)
- os.unlink(disk1_file)
-- 1.8.1.4
Ack.
- mulhern
anaconda-patches mailing list anaconda-patches@lists.fedorahosted.org https://lists.fedorahosted.org/mailman/listinfo/anaconda-patches