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| author | whoami-rajat <rajatdhasmana@gmail.com> | 2020-04-01 14:18:44 +0000 |
|---|---|---|
| committer | Rajat Dhasmana <rajatdhasmana@gmail.com> | 2020-05-01 11:35:01 +0000 |
| commit | f5d46996139593f6249138bcc9f09b6120f0034a (patch) | |
| tree | cf51b33ee3f7505666c3a4f1d2297270080877d8 /etc | |
| parent | 2aa892d4dfb1cf8beb5f9bdba4e468486d4bae44 (diff) | |
| download | glance_store-f5d46996139593f6249138bcc9f09b6120f0034a.tar.gz | |
Add lock per share for cinder nfs mount/umount
With cinder configured as glance store and nfs as cinder backend,
if we create multiple images concurrently into the same share,
there might be race conditions.
This patch ensures a lock per export to avoid the race conditions.
This patch also introduces a reference counting mechamism for unmounting
which will unmount the share if no active thread/process is using it.
Closes-Bug: #1870289
Change-Id: I9197f64e29a0ae2e0a58186f1a70aa134f7f1db6
Diffstat (limited to 'etc')
| -rw-r--r-- | etc/glance/rootwrap.d/glance_cinder_store.filters | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/etc/glance/rootwrap.d/glance_cinder_store.filters b/etc/glance/rootwrap.d/glance_cinder_store.filters index 46c389b..9aaf8b4 100644 --- a/etc/glance/rootwrap.d/glance_cinder_store.filters +++ b/etc/glance/rootwrap.d/glance_cinder_store.filters @@ -10,3 +10,7 @@ disk_chown: RegExpFilter, chown, root, chown, \d+, /dev/(?!.*/\.\.).* # This line ties the superuser privs with the config files, context name, # and (implicitly) the actual python code invoked. privsep-rootwrap: RegExpFilter, privsep-helper, root, privsep-helper, --config-file, /etc/(?!\.\.).*, --privsep_context, os_brick.privileged.default, --privsep_sock_path, /tmp/.* + +chown: CommandFilter, chown, root +mount: CommandFilter, mount, root +umount: CommandFilter, umount, root
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