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| author | Matthew Heon <matthew.heon@pm.me> | 2019-07-15 16:44:56 -0400 |
|---|---|---|
| committer | Matthew Heon <matthew.heon@pm.me> | 2019-09-10 10:52:37 -0400 |
| commit | c2284962c798a11f3c956ee237f27cfd3b0fcb21 (patch) | |
| tree | a82ff49ee28be13a9a1702506aa7be051fea9fb1 /libpod/container_top_linux.go | |
| parent | 16a70490852fdaf3ea5aeea6b2be19dd70fbf1c7 (diff) | |
| download | podman-c2284962c798a11f3c956ee237f27cfd3b0fcb21.tar.gz podman-c2284962c798a11f3c956ee237f27cfd3b0fcb21.tar.bz2 podman-c2284962c798a11f3c956ee237f27cfd3b0fcb21.zip | |
Add support for launching containers without CGroups
This is mostly used with Systemd, which really wants to manage
CGroups itself when managing containers via unit file.
Signed-off-by: Matthew Heon <matthew.heon@pm.me>
Diffstat (limited to 'libpod/container_top_linux.go')
| -rw-r--r-- | libpod/container_top_linux.go | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libpod/container_top_linux.go b/libpod/container_top_linux.go index ce471838d..5f4f28130 100644 --- a/libpod/container_top_linux.go +++ b/libpod/container_top_linux.go @@ -15,6 +15,10 @@ import ( // Top gathers statistics about the running processes in a container. It returns a // []string for output func (c *Container) Top(descriptors []string) ([]string, error) { + if c.config.NoCgroups { + return nil, errors.Wrapf(define.ErrNoCgroups, "cannot run top on container %s as it did not create a cgroup", c.ID()) + } + conStat, err := c.State() if err != nil { return nil, errors.Wrapf(err, "unable to look up state for %s", c.ID()) |