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79 Commits

Author SHA1 Message Date
Alexander Larsson 9415c2b1f0 Move docker-device-tool to contrib 2013-11-19 10:03:04 +01:00
Alexander Larsson a0224e61b4 devicemapper tool: Add support for pool resizing 2013-11-19 09:59:13 +01:00
Alexander Larsson 80aecc7014 devmapper: Update device-mapper-tool 
This makes the device mapper tool work again and adds new features
to get pool status, device status and to list all devices.
 2013-11-19 09:44:19 +01:00
Alexander Larsson 00401a30b7 devmapper: Use a "rootfs" subdirectory in the devmapper volume 
We place the actual image/containers in the "rootfs" directory, which
allows us to have other data in the toplevel directory in the mount.

For starters, this means the "lost+found" directory from mkfs will
not always be in your container/image.

Secondly, we can create a file "id" in the toplevel dir which is not
visible from the container. This is useful because it allows us to map
back from the device fs to the container if something goes wrong with
the devicemapper metadata.
 2013-11-19 09:29:42 +01:00
Michael Crosby 5ee8e41e43 Retry moving dirs on every daemon startup 
This will try to move the directories that were
previously symlinked until a full migration is complete.
 2013-11-18 23:28:45 -08:00
Michael Crosby 29f07f8544 Add container migration to aufs driver 2013-11-18 18:39:21 -08:00
Michael Crosby f88b760809 Migrate images with parent relationship 2013-11-18 16:17:43 -08:00
Michael Crosby 94e854823f Use tryRelocate to fall back to symlink if rename fails 2013-11-18 13:16:28 -08:00
Guillaume J. Charmes a518b84751
WIP 2013-11-15 17:16:30 -08:00
Guillaume J. Charmes 035c144242
Move all drivers to the same subdir graphdriver 2013-11-15 15:48:24 -08:00
Michael Crosby 7cad77b1e2 Merge pull request #33 from alexlarsson/dm-plugin-status 
Add driver plugin status
 2013-11-15 10:15:59 -08:00
Alexander Larsson 10f23a94f6 Use dummy driver for volumes 
It makes no sense to use the aufs or devicemapper drivers for volumes.
The aufs one is perhaps not a big problem, but the devicemapper one
certainly is. It will be unnecessarily using a dm
blockdevice-over-loopback with a limited size base FS.

This just hardcodes the driver to be the dummy, perhaps in the future
we can have other drivers that make sense for the volumes.
 2013-11-15 11:30:28 +01:00
Alexander Larsson 243843c078 Print devicemapper status details in docker info 
This adds a generic Status call in the Driver api and
implements if for the devicemapper backend.

The status is an array of key/value strings rather than a map so that
we can guarantee some static order of the docker info output.
 2013-11-15 11:04:02 +01:00
Alexander Larsson 062810caed Show active driver in docker info output 2013-11-15 10:24:48 +01:00
Michael Crosby 5d9723002b Allow drivers to implement ApplyDiff in Differ interface 2013-11-11 19:09:57 -08:00
Michael Crosby 4d1a537433 Remove Differ and Changer interfaces 
Add the methods to the Driver interface
to force the drivers to implement the methods
 2013-11-11 12:10:53 -08:00
Alexander Larsson e82f8c1661 Implement fallback operation for driver.Diff() 
This moves the Diff() operation to a separate Differ interface and
implements a fallback that uses the Changes() results to encode
a diff tar.
 2013-11-11 17:46:07 +01:00
Michael Crosby 1eb00e1d5b Allow drivers to export their own diff 2013-11-08 15:32:50 -08:00
Michael Crosby 9514767587 Allow driver to provide changes if it impl the Changer interface 2013-11-08 14:54:20 -08:00
Michael Crosby 08a276986c Name sure drivers are confined into their own dir 2013-11-08 11:36:58 -08:00
Michael Crosby 51c93c0f33 Fix aufs error at startup 
Add String methods to other drivers
 2013-11-07 19:02:15 -08:00
Solomon Hykes 8c21d2acd3 Set DOCKER_DRIVER to override the choice of driver (aufs, devicemapper or dummy) 2013-11-08 02:49:32 +00:00
Solomon Hykes 81674fbbdf New 'dummy' driver uses plain directories and regular copy 2013-11-08 01:52:56 +00:00
Solomon Hykes 9ae4bcaaf8 Move Change to the archive package, and fix a leftover merge in 
Container.Inject()
 2013-11-08 00:45:07 +00:00
Solomon Hykes f2bab1557c Simplify graphdriver interface: Create, Get. No more external mounting or Dir/Image interface 2013-11-07 22:38:50 +00:00
Solomon Hykes a63ff8da46 Fix a crash in graphdriver init 2013-11-07 20:31:50 +00:00
Michael Crosby ed572b457d Finalize driver interfaces 2013-11-04 20:51:12 -08:00
Michael Crosby 752bfba2c5 Add graph driver registration 2013-11-04 15:22:34 -08:00
Solomon Hykes ff42748bc5 Rename graph backends to 'drivers' which is probably more self-explanatory 2013-11-04 01:54:51 +00:00