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+++ This bug was initially created as a clone of Bug #647107 +++
Description:
cgconfigparser does not properly parse the multi-line variables
Version-Release number of selected component (if applicable):
today rawhide snapshot
How reproducible:
use configuration file:
# Configuration file generated by cgsnapshot
mount {
devices = /cgroup/1;
}
group pom {
devices {
devices.deny="a *:* rwm";
devices.allow="a *:* w
c 8:* r";
}
}
Steps to Reproduce:
1. # cgconfigparser -l conf file
2. # cat //cgroup/1/pom/devices.list
a *:* rwm
3. # echo "a *:* rwm" > /cgroup/1/pom/devices.deny
# echo "" > /cgroup/1/pom/devices.allow
# echo "a *:* w" > /cgroup/1/pom/devices.allow
# echo "c 8:* r" > /cgroup/1/pom/devices.allow
4. # cat //cgroup/1/pom/devices.list
a *:* rwm
c 8:* r
Actual results:
# cat //cgroup/1/pom/devices.list
a *:* rwm
Expected results:
# cat //cgroup/1/pom/devices.list
a *:* rwm
c 8:* r
For devices, I was not able to test this case. Tested with netprio_cgroup.
Tested on virtual machine with fedora and rhel with network interface lo, eth0-eth3.
net_prio has to be created before:
# modprobe netprio_cgroup
# mkdir /sys/fs/cgroup/net_prio
# mount -t cgroup -onet_prio none /sys/fs/cgroup/net_prio
Setting from shell:
# echo "lo 7" > /sys/fs/cgroup/net_prio/testGroup/net_prio.ifpriomap
# echo "eth 0" > /sys/fs/cgroup/net_prio/testGroup/net_prio.ifpriomap
# echo "eth 1" > /sys/fs/cgroup/net_prio/testGroup/net_prio.ifpriomap
# echo "eth 2" > /sys/fs/cgroup/net_prio/testGroup/net_prio.ifpriomap
# echo "eth 3" > /sys/fs/cgroup/net_prio/testGroup/net_prio.ifpriomap
Setting using libcgroups:
# cat /etc/cgconfig.conf
group testGroup {
net_prio {
net_prio.ifpriomap="lo 7
eth0 66
eth1 5
eth2 4
eth3 3";
}
}
How to test it:
1) service cgconfig start
2) cgsnapshot
or
1) cgconfigparser -l /etc/cgconfig.conf
2) cgsnapshot
If cgsnapshot does not show any change:
cat /sys/fs/cgroup/net_prio/testGroup/net_prio.ifpriomap
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://rhn.redhat.com/errata/RHBA-2015-0452.html