Add support for detecting netns for all possible QoS in Kubernetes

This commit is contained in:
Ivan Milchev 2020-12-28 13:01:43 +01:00
parent db3c7e526a
commit dc62fc17c5
1 changed files with 11 additions and 5 deletions

View File

@ -218,12 +218,18 @@ func getPidForContainer(id string) (int, error) {
filepath.Join(cgroupRoot, "system.slice", "docker-"+id+".scope", "tasks"),
// Even more recent docker versions under cgroup/systemd/docker/<id>/
filepath.Join(cgroupRoot, "..", "systemd", "docker", id, "tasks"),
// Kubernetes with docker and CNI is even more different
// Kubernetes with docker and CNI is even more different. Works for BestEffort and Burstable QoS
filepath.Join(cgroupRoot, "..", "systemd", "kubepods", "*", "pod*", id, "tasks"),
// Another flavor of containers location in recent kubernetes 1.11+
filepath.Join(cgroupRoot, cgroupThis, "kubepods.slice", "kubepods-besteffort.slice", "*", "docker-"+id+".scope", "tasks"),
// When runs inside of a container with recent kubernetes 1.11+
filepath.Join(cgroupRoot, "kubepods.slice", "kubepods-besteffort.slice", "*", "docker-"+id+".scope", "tasks"),
// Same as above but for Guaranteed QoS
filepath.Join(cgroupRoot, "..", "systemd", "kubepods", "pod*", id, "tasks"),
// Another flavor of containers location in recent kubernetes 1.11+. Works for BestEffort and Burstable QoS
filepath.Join(cgroupRoot, cgroupThis, "kubepods.slice", "*.slice", "*", "docker-"+id+".scope", "tasks"),
// Same as above but for Guaranteed QoS
filepath.Join(cgroupRoot, cgroupThis, "kubepods.slice", "*", "docker-"+id+".scope", "tasks"),
// When runs inside of a container with recent kubernetes 1.11+. Works for BestEffort and Burstable QoS
filepath.Join(cgroupRoot, "kubepods.slice", "*.slice", "*", "docker-"+id+".scope", "tasks"),
// Same as above but for Guaranteed QoS
filepath.Join(cgroupRoot, "kubepods.slice", "*", "docker-"+id+".scope", "tasks"),
}
var filename string