On 3/20/19 1:50 PM, Mircea Husz wrote: > I scripted the creation of snapshots and it works fine. Now I'd like to run > the script as non-root. > > virsh snapshot-create-as --domain hq-live-v01 \ > --name snappy \ > --diskspec > vda,file=/var/lib/libvirt/images/hq-live-v01.snappy,snapshot=external \ > --diskspec > vdb,file=/var/lib/libvirt/images/hq-live-storage.snappy,snapshot=external \ > --disk-only --quiesce --atomic > > This fragment creates the snapshots, but get created with mode 0600: > -rw------- 1 qemu qemu 393216 Mar 19 17:08 hq-live-storage.snappy > -rw------- 1 qemu qemu 1048576 Mar 19 17:08 hq-live-v01.snappy > > The user account is in the libvirt group and has permissions to do everything > except delete the files created by the snapshot, all I need is to get the > snapshots created with 0660 mode. > > This is on a Centos 7.6 installation. What knobs do I need to turn to > control the umask?
I'm not sure if you can force libvirt to create the files with a different mask, but perhaps a workaround would be to pre-create the files yourself with desired permissions, then tell virsh to --reuse-external (so that libvirt no longer has to try and create the files, and thus doesn't mess with permissions). -- Eric Blake, Principal Software Engineer Red Hat, Inc. +1-919-301-3226 Virtualization: qemu.org | libvirt.org
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