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module/cgroups: Execute command as root when launching cmd in cgroup

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On some devices root is required to configure cgroups therefore run the
command as root if available unless otherwise specified.
This commit is contained in:
Marc Bonnici 2018-12-05 16:02:55 +00:00 committed by setrofim
parent 22a5945460
commit f1b7fd184a
1 changed files with 6 additions and 2 deletions
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8
devlib/module/cgroups.py
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@ -432,16 +432,20 @@ class CgroupsModule(Module):
.format(self.cgroup_root, self.target.shutils, .format(self.cgroup_root, self.target.shutils,
cgroup, cmdline) cgroup, cmdline)
def run_into(self, cgroup, cmdline): def run_into(self, cgroup, cmdline, as_root=None):
""" """
Run the specified command into the specified CGroup Run the specified command into the specified CGroup
:param cmdline: Command to be run into cgroup :param cmdline: Command to be run into cgroup
:param cgroup: Name of cgroup to run command into :param cgroup: Name of cgroup to run command into
:param as_root: Specify whether to run the command as root, if not
specified will default to whether the target is rooted.
:returns: Output of command. :returns: Output of command.
""" """
if as_root is None:
as_root = self.target.is_rooted
cmd = self.run_into_cmd(cgroup, cmdline) cmd = self.run_into_cmd(cgroup, cmdline)
raw_output = self.target.execute(cmd) raw_output = self.target.execute(cmd, as_root=as_root)
# First line of output comes from shutils; strip it out. # First line of output comes from shutils; strip it out.
return raw_output.split('\n', 1)[1] return raw_output.split('\n', 1)[1]