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| author | baude <bbaude@redhat.com> | 2019-10-15 14:00:18 -0500 |
|---|---|---|
| committer | baude <bbaude@redhat.com> | 2019-10-15 14:09:41 -0500 |
| commit | f10f9bc58fa0a8863aa2502221795b69e7b8bd0e (patch) | |
| tree | c9e7c43289a3825c557240c7de504f6594fd4473 | |
| parent | 5f72e6ef2ef7b6941cefc3c655903aeacb53e115 (diff) | |
| download | podman-f10f9bc58fa0a8863aa2502221795b69e7b8bd0e.tar.gz podman-f10f9bc58fa0a8863aa2502221795b69e7b8bd0e.tar.bz2 podman-f10f9bc58fa0a8863aa2502221795b69e7b8bd0e.zip | |
rootless v2 cannot collect network stats
network statistics cannot be collected for rootless network devices with
the current implementation. for now, we return nil so that stats will
at least for users.
Fixes:#4268
Signed-off-by: baude <bbaude@redhat.com>
| -rw-r--r-- | docs/podman-stats.1.md | 3 | ||||
| -rw-r--r-- | libpod/networking_linux.go | 6 |
2 files changed, 9 insertions, 0 deletions
diff --git a/docs/podman-stats.1.md b/docs/podman-stats.1.md index e0cff0dc2..741873c3f 100644 --- a/docs/podman-stats.1.md +++ b/docs/podman-stats.1.md @@ -15,6 +15,9 @@ Note: Podman stats will not work in rootless environments that use CGroups V1. Podman stats relies on CGroup information for statistics, and CGroup v1 is not supported for rootless use cases. +Note: Rootless environments that use CGroups V2 are not able to report statistics +about their networking usage. + ## OPTIONS **--all**, **-a** diff --git a/libpod/networking_linux.go b/libpod/networking_linux.go index 8181cbc8a..4360c8c15 100644 --- a/libpod/networking_linux.go +++ b/libpod/networking_linux.go @@ -462,6 +462,12 @@ func getContainerNetNS(ctr *Container) (string, error) { func getContainerNetIO(ctr *Container) (*netlink.LinkStatistics, error) { var netStats *netlink.LinkStatistics + // rootless v2 cannot seem to resolve its network connection to + // collect statistics. For now, we allow stats to at least run + // by returning nil + if rootless.IsRootless() { + return netStats, nil + } netNSPath, netPathErr := getContainerNetNS(ctr) if netPathErr != nil { return nil, netPathErr |