openstack
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cinder
Code Issues Proposed changes

Add cgroups related commands to rootwrap filters 

Adds rootwrap filters to allow commands to create/setup cgroups and
to put commands into cgroups in order to limit bandwidth usage,
that are used in setup_blkio_cgroup() (volume/utils.py).

Change-Id: Id74cdd4d2fdfffb12aff8cb3b977324bb5b45173
Signed-off-by: Tomoki Sekiyama <tomoki.sekiyama@hds.com>
Implements: blueprint limit-volume-copy-bandwidth
This commit is contained in:
Tomoki Sekiyama 2014-06-25 17:22:32 -04:00
parent d63f4beda8
commit c9d4bd7c04
1 changed files with 5 additions and 0 deletions
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5
etc/cinder/rootwrap.d/volume.filters
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@ -47,6 +47,11 @@ ionice_1: RegExpFilter, ionice, root, ionice, -c[0-3]( -n[0-7])?, dd, if=\S+, of
ionice_2: RegExpFilter, ionice, root, ionice, -c[0-3]( -n[0-7])?, dd, if=\S+, of=\S+, count=\d+, bs=\S+, iflag=direct, oflag=direct
ionice_3: RegExpFilter, ionice, root, ionice, -c[0-3]( -n[0-7])?, dd, if=\S+, of=\S+, count=\d+, bs=\S+, conv=fdatasync
# cinder/volume/utils.py: setup_blkio_cgroup()
cgcreate: CommandFilter, cgcreate, root
cgset: CommandFilter, cgset, root
cgexec: ChainingRegExpFilter, cgexec, root, cgexec, -g, blkio:\S+
# cinder/volume/driver.py
dmsetup: CommandFilter, dmsetup, root
ln: CommandFilter, ln, root