kata + sandbox + two containers

root@ubuntu:~# cat kata-two-nginx.yaml 
apiVersion: v1
kind: Pod
metadata:
  name: two-containers
spec:
  runtimeClassName: kata
  restartPolicy: Never

  volumes:
  - name: shared-data
    emptyDir: {}

  containers:

  - name: nginx-container
    image: nginx
    volumeMounts:
    - name: shared-data
      mountPath: /usr/share/nginx/html

  - name: debian-container
    image: debian
    volumeMounts:
    - name: shared-data
      mountPath: /pod-data
    command: ["/bin/sh",  "-c"]
    args:
      - while true; do
             date >> /pod-data/index.html;
             sleep 10;
        done
root@ubuntu:~# kubectl exec -it two-containers -c nginx-container -- /bin/bash
root@two-containers:/# ls
bin  boot  dev  docker-entrypoint.d  docker-entrypoint.sh  etc  home  lib  media  mnt  opt  proc  root  run  sbin  srv  sys  tmp  usr  var
root@two-containers:/#  ps aux
bash: ps: command not found
root@two-containers:/# ls run/
lock  nginx.pid  secrets  utmp
root@two-containers:/# ls /usr/share/nginx/
html
root@two-containers:/# ls /usr/share/nginx/html/
index.html
root@two-containers:/# ls /usr/share/nginx/html/index.html 
/usr/share/nginx/html/index.html
root@two-containers:/# cat  /usr/share/nginx/html/index.html   
Mon Nov  2 03:02:43 UTC 2020
Mon Nov  2 03:02:53 UTC 2020
Mon Nov  2 03:03:03 UTC 2020
Mon Nov  2 03:03:13 UTC 2020
Mon Nov  2 03:03:23 UTC 2020
Mon Nov  2 03:03:33 UTC 2020
Mon Nov  2 03:03:43 UTC 2020
Mon Nov  2 03:03:53 UTC 2020
Mon Nov  2 03:04:03 UTC 2020
Mon Nov  2 03:04:13 UTC 2020
Mon Nov  2 03:04:23 UTC 2020
Mon Nov  2 03:04:33 UTC 2020
Mon Nov  2 03:04:43 UTC 2020
Mon Nov  2 03:04:53 UTC 2020
Mon Nov  2 03:05:03 UTC 2020
Mon Nov  2 03:05:13 UTC 2020
Mon Nov  2 03:05:23 UTC 2020
Mon Nov  2 03:05:33 UTC 2020
root@two-containers:/# 
debian-container
root@ubuntu:/home/ubuntu#  kubectl exec -it two-containers -c debian-container -- /bin/bash
root@two-containers:/# ls
bin  boot  dev  etc  home  lib  media  mnt  opt  pod-data  proc  root  run  sbin  srv  sys  tmp  usr  var
root@two-containers:/# ls pod-data/
index.html

root@two-containers:/# ls pod-data/index.html 
pod-data/index.html
root@two-containers:/# cat pod-data/index.html    
Mon Nov  2 03:02:43 UTC 2020
Mon Nov  2 03:02:53 UTC 2020
Mon Nov  2 03:03:03 UTC 2020
Mon Nov  2 03:03:13 UTC 2020
Mon Nov  2 03:03:23 UTC 2020
Mon Nov  2 03:03:33 UTC 2020
Mon Nov  2 03:03:43 UTC 2020
Mon Nov  2 03:03:53 UTC 2020
Mon Nov  2 03:04:03 UTC 2020
Mon Nov  2 03:04:13 UTC 2020
Mon Nov  2 03:04:23 UTC 2020
Mon Nov  2 03:04:33 UTC 2020
Mon Nov  2 03:04:43 UTC 2020
Mon Nov  2 03:04:53 UTC 2020
Mon Nov  2 03:05:03 UTC 2020
Mon Nov  2 03:05:13 UTC 2020
Mon Nov  2 03:05:23 UTC 2020
Mon Nov  2 03:05:33 UTC 2020
Mon Nov  2 03:05:43 UTC 2020
Mon Nov  2 03:05:53 UTC 2020
Mon Nov  2 03:06:03 UTC 2020
Mon Nov  2 03:06:13 UTC 2020
Mon Nov  2 03:06:23 UTC 2020
Mon Nov  2 03:06:33 UTC 2020
root@two-containers:/# 
root@two-containers:/# ls usr/share/
adduser     base-passwd      bug              debconf      dict  doc-base  gcc-8  info      libc-bin  locale  menu  pam          perl5    polkit-1  terminfo
base-files  bash-completion  common-licenses  debianutils  doc   dpkg      gdb    keyrings  lintian   man     misc  pam-configs  pixmaps  tabset    zoneinfo
root@two-containers:/# ls usr/share/ng

host上 kata runtime

root@ubuntu:~/kata_container# kata-runtime list
ID                                                                 PID         STATUS      BUNDLE                                                                                                                  CREATED                          OWNER
856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700   -1          running     /run/containerd/io.containerd.runtime.v2.task/k8s.io/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700   2020-11-02T03:02:11.861435499Z   #0
17dc48bb193b21d309b7a5bef8d73e50e7095e5bca6d98c5f46bd8883de2b181   -1          running     /run/containerd/io.containerd.runtime.v2.task/k8s.io/17dc48bb193b21d309b7a5bef8d73e50e7095e5bca6d98c5f46bd8883de2b181   2020-11-02T03:02:27.391813711Z   #0
root@ubuntu:/home/ubuntu# ps -elf | grep 856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700
0 S root     22703     1  0  80   0 - 328883 futex_ 11:02 ?       00:00:02 /usr/local/bin/containerd-shim-kata-v2 -namespace k8s.io -address /run/containerd/containerd.sock -publish-binary /usr/bin/containerd -id 856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700 -debug
7 S root     22716     1  2  80   0 - 755962 sys_po 11:02 ?       00:00:21 /usr/share/kata-containers/binary/qemu-system-aarch64 -name sandbox-856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700 -uuid 64b42bfe-228f-4969-beb0-b3119cd8d758 -machine virt,usb=off,accel=kvm,gic-version=host -cpu host,pmu=off -qmp unix:/run/vc/vm/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/qmp.sock,server,nowait -m 2048M,slots=10,maxmem=257176M -device pcie-pci-bridge,bus=pcie.0,id=pcie-bridge-0,addr=2,romfile= -device virtio-serial-pci,disable-modern=false,id=serial0,romfile= -device virtconsole,chardev=charconsole0,id=console0 -chardev socket,id=charconsole0,path=/run/vc/vm/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/console.sock,server,nowait -device virtio-blk-pci,disable-modern=false,drive=image-8a58d3db00c5f582,scsi=off,config-wce=off,romfile=,share-rw=on -drive id=image-8a58d3db00c5f582,file=/usr/share/kata-containers/binary/kata-containers.img,aio=threads,format=raw,if=none,readonly -device virtio-scsi-pci,id=scsi0,disable-modern=false,romfile= -object rng-random,id=rng0,filename=/dev/urandom -device virtio-rng-pci,rng=rng0,romfile= -device virtserialport,chardev=charch0,id=channel0,name=agent.channel.0 -chardev socket,id=charch0,path=/run/vc/vm/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/kata.sock,server,nowait -device virtio-9p-pci,disable-modern=false,fsdev=extra-9p-kataShared,mount_tag=kataShared,romfile= -fsdev local,id=extra-9p-kataShared,path=/run/kata-containers/shared/sandboxes/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/shared,security_model=none -netdev tap,id=network-0,vhost=on,vhostfds=3,fds=4 -device driver=virtio-net-pci,netdev=network-0,mac=4e:67:14:2f:e1:00,disable-modern=false,mq=on,vectors=4,romfile= -rtc base=utc,driftfix=slew,clock=host -global kvm-pit.lost_tick_policy=discard -vga none -no-user-config -nodefaults -nographic --no-reboot -daemonize -kernel /usr/share/kata-containers/binary/vmlinuz-5.4.34-88 -append console=hvc0 console=hvc1 iommu.passthrough=0 root=/dev/vda1 rootflags=data=ordered,errors=remount-ro ro rootfstype=ext4 debug systemd.show_status=true systemd.log_level=debug panic=1 nr_cpus=64 agent.use_vsock=false systemd.unit=kata-containers.target systemd.mask=systemd-networkd.service systemd.mask=systemd-networkd.socket scsi_mod.scan=none agent.debug_console -pidfile /run/vc/vm/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/pid -D /run/vc/vm/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/qemu.log -smp 1,cores=1,threads=1,sockets=64,maxcpus=64
0 S root     23170 19097  0  80   0 -  1469 select 11:02 pts/3    00:00:00 socat stdin,raw,echo=0,escape=0x11 unix-connect:/var/run/vc/vm/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/console.sock
0 S root     27333 27315  0  80   0 -  1130 pipe_w 11:16 pts/5    00:00:00 grep --color=auto 856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700
root@ubuntu:/home/ubuntu# ps -elf | grep 17dc48bb193b21d309b7a5bef8d73e50e7095e5bca6d98c5f46bd8883de2b181       ----没有哦
0 S root     27433 27315  0  80   0 -  1097 pipe_w 11:16 pts/5    00:00:00 grep --color=auto 17dc48bb193b21d309b7a5bef8d73e50e7095e5bca6d98c5f46bd8883de2b181
root@ubuntu:/home/ubuntu# 
root@ubuntu:/home/ubuntu# cat /proc/22716/cgroup 
12:freezer:/
11:blkio:/system.slice/containerd.service
10:devices:/system.slice/containerd.service
9:net_cls,net_prio:/
8:hugetlb:/
7:rdma:/
6:perf_event:/
5:pids:/system.slice/containerd.service
4:memory:/system.slice/containerd.service
3:cpuset:/
2:cpu,cpuacct:/system.slice/containerd.service
1:name=systemd:/system.slice/containerd.service
0::/system.slice/containerd.service
root@ubuntu:/home/ubuntu# 

root@ubuntu:/home/ubuntu# mount | grep 856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700
shm on /run/containerd/io.containerd.grpc.v1.cri/sandboxes/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/shm type tmpfs (rw,nosuid,nodev,noexec,relatime,size=65536k)
overlay on /run/containerd/io.containerd.runtime.v2.task/k8s.io/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/rootfs type overlay (rw,relatime,lowerdir=/var/lib/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/87/fs,upperdir=/var/lib/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/375/fs,workdir=/var/lib/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/375/work,xino=off)
tmpfs on /run/kata-containers/shared/sandboxes/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/shared type tmpfs (ro,relatime,size=26334908k,mode=755)
overlay on /run/kata-containers/shared/sandboxes/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/mounts/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/rootfs type overlay (rw,relatime,lowerdir=/var/lib/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/87/fs,upperdir=/var/lib/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/375/fs,workdir=/var/lib/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/375/work,xino=off)
overlay on /run/kata-containers/shared/sandboxes/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/shared/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/rootfs type overlay (rw,relatime,lowerdir=/var/lib/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/87/fs,upperdir=/var/lib/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/375/fs,workdir=/var/lib/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/375/work,xino=off)
overlay on /run/kata-containers/shared/sandboxes/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/mounts/17dc48bb193b21d309b7a5bef8d73e50e7095e5bca6d98c5f46bd8883de2b181/rootfs type overlay (rw,relatime,lowerdir=/var/lib/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/353/fs:/var/lib/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/352/fs:/var/lib/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/351/fs:/var/lib/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/350/fs:/var/lib/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/349/fs,upperdir=/var/lib/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/376/fs,workdir=/var/lib/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/376/work,xino=off)
overlay on /run/kata-containers/shared/sandboxes/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/shared/17dc48bb193b21d309b7a5bef8d73e50e7095e5bca6d98c5f46bd8883de2b181/rootfs type overlay (rw,relatime,lowerdir=/var/lib/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/353/fs:/var/lib/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/352/fs:/var/lib/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/351/fs:/var/lib/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/350/fs:/var/lib/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/349/fs,upperdir=/var/lib/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/376/fs,workdir=/var/lib/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/376/work,xino=off)
/dev/sdc3 on /run/kata-containers/shared/sandboxes/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/mounts/17dc48bb193b21d309b7a5bef8d73e50e7095e5bca6d98c5f46bd8883de2b181-4534f52100c5cec0-hosts type ext4 (rw,relatime,errors=remount-ro,stripe=64)
/dev/sdc3 on /run/kata-containers/shared/sandboxes/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/shared/17dc48bb193b21d309b7a5bef8d73e50e7095e5bca6d98c5f46bd8883de2b181-4534f52100c5cec0-hosts type ext4 (rw,relatime,errors=remount-ro,stripe=64)
/dev/sdc3 on /run/kata-containers/shared/sandboxes/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/mounts/17dc48bb193b21d309b7a5bef8d73e50e7095e5bca6d98c5f46bd8883de2b181-3f4fcdfa7fa59e09-termination-log type ext4 (rw,relatime,errors=remount-ro,stripe=64)
/dev/sdc3 on /run/kata-containers/shared/sandboxes/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/shared/17dc48bb193b21d309b7a5bef8d73e50e7095e5bca6d98c5f46bd8883de2b181-3f4fcdfa7fa59e09-termination-log type ext4 (rw,relatime,errors=remount-ro,stripe=64)
/dev/sdc3 on /run/kata-containers/shared/sandboxes/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/mounts/17dc48bb193b21d309b7a5bef8d73e50e7095e5bca6d98c5f46bd8883de2b181-e46a59f3e4b7ed30-hostname type ext4 (rw,relatime,errors=remount-ro,stripe=64)
/dev/sdc3 on /run/kata-containers/shared/sandboxes/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/shared/17dc48bb193b21d309b7a5bef8d73e50e7095e5bca6d98c5f46bd8883de2b181-e46a59f3e4b7ed30-hostname type ext4 (rw,relatime,errors=remount-ro,stripe=64)
/dev/sdc3 on /run/kata-containers/shared/sandboxes/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/mounts/17dc48bb193b21d309b7a5bef8d73e50e7095e5bca6d98c5f46bd8883de2b181-89d63e0268146ce6-resolv.conf type ext4 (rw,relatime,errors=remount-ro,stripe=64)
/dev/sdc3 on /run/kata-containers/shared/sandboxes/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/shared/17dc48bb193b21d309b7a5bef8d73e50e7095e5bca6d98c5f46bd8883de2b181-89d63e0268146ce6-resolv.conf type ext4 (rw,relatime,errors=remount-ro,stripe=64)
tmpfs on /run/kata-containers/shared/sandboxes/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/mounts/17dc48bb193b21d309b7a5bef8d73e50e7095e5bca6d98c5f46bd8883de2b181-9ef41b64eeaa8a2b-serviceaccount type tmpfs (rw,relatime)
tmpfs on /run/kata-containers/shared/sandboxes/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/shared/17dc48bb193b21d309b7a5bef8d73e50e7095e5bca6d98c5f46bd8883de2b181-9ef41b64eeaa8a2b-serviceaccount type tmpfs (rw,relatime)
overlay on /run/kata-containers/shared/sandboxes/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/mounts/ba04873f4b988e1cf150ef92deab2cd475e07e306b226b869c85351450aca503/rootfs type overlay (rw,relatime,lowerdir=/var/lib/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/373/fs,upperdir=/var/lib/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/377/fs,workdir=/var/lib/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/377/work,xino=off)
overlay on /run/kata-containers/shared/sandboxes/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/shared/ba04873f4b988e1cf150ef92deab2cd475e07e306b226b869c85351450aca503/rootfs type overlay (rw,relatime,lowerdir=/var/lib/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/373/fs,upperdir=/var/lib/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/377/fs,workdir=/var/lib/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/377/work,xino=off)
/dev/sdc3 on /run/kata-containers/shared/sandboxes/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/mounts/ba04873f4b988e1cf150ef92deab2cd475e07e306b226b869c85351450aca503-e777449b3c17b5de-hosts type ext4 (rw,relatime,errors=remount-ro,stripe=64)
/dev/sdc3 on /run/kata-containers/shared/sandboxes/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/shared/ba04873f4b988e1cf150ef92deab2cd475e07e306b226b869c85351450aca503-e777449b3c17b5de-hosts type ext4 (rw,relatime,errors=remount-ro,stripe=64)
/dev/sdc3 on /run/kata-containers/shared/sandboxes/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/mounts/ba04873f4b988e1cf150ef92deab2cd475e07e306b226b869c85351450aca503-2dd997dd7202bcda-termination-log type ext4 (rw,relatime,errors=remount-ro,stripe=64)
/dev/sdc3 on /run/kata-containers/shared/sandboxes/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/shared/ba04873f4b988e1cf150ef92deab2cd475e07e306b226b869c85351450aca503-2dd997dd7202bcda-termination-log type ext4 (rw,relatime,errors=remount-ro,stripe=64)
/dev/sdc3 on /run/kata-containers/shared/sandboxes/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/mounts/ba04873f4b988e1cf150ef92deab2cd475e07e306b226b869c85351450aca503-4ab29ae10b84b7f4-hostname type ext4 (rw,relatime,errors=remount-ro,stripe=64)
/dev/sdc3 on /run/kata-containers/shared/sandboxes/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/shared/ba04873f4b988e1cf150ef92deab2cd475e07e306b226b869c85351450aca503-4ab29ae10b84b7f4-hostname type ext4 (rw,relatime,errors=remount-ro,stripe=64)
/dev/sdc3 on /run/kata-containers/shared/sandboxes/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/mounts/ba04873f4b988e1cf150ef92deab2cd475e07e306b226b869c85351450aca503-7d4b0ecdae232f07-resolv.conf type ext4 (rw,relatime,errors=remount-ro,stripe=64)
/dev/sdc3 on /run/kata-containers/shared/sandboxes/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/shared/ba04873f4b988e1cf150ef92deab2cd475e07e306b226b869c85351450aca503-7d4b0ecdae232f07-resolv.conf type ext4 (rw,relatime,errors=remount-ro,stripe=64)
tmpfs on /run/kata-containers/shared/sandboxes/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/mounts/ba04873f4b988e1cf150ef92deab2cd475e07e306b226b869c85351450aca503-3081595f0fd2cbe1-serviceaccount type tmpfs (rw,relatime)
tmpfs on /run/kata-containers/shared/sandboxes/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/shared/ba04873f4b988e1cf150ef92deab2cd475e07e306b226b869c85351450aca503-3081595f0fd2cbe1-serviceaccount type tmpfs (rw,relatime)
root@ubuntu:/home/ubuntu# mount | grep 17dc48bb193b21d309b7a5bef8d73e50e7095e5bca6d98c5f46bd8883de2b181
overlay on /run/containerd/io.containerd.runtime.v2.task/k8s.io/17dc48bb193b21d309b7a5bef8d73e50e7095e5bca6d98c5f46bd8883de2b181/rootfs type overlay (rw,relatime,lowerdir=/var/lib/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/353/fs:/var/lib/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/352/fs:/var/lib/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/351/fs:/var/lib/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/350/fs:/var/lib/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/349/fs,upperdir=/var/lib/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/376/fs,workdir=/var/lib/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/376/work,xino=off)
overlay on /run/kata-containers/shared/sandboxes/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/mounts/17dc48bb193b21d309b7a5bef8d73e50e7095e5bca6d98c5f46bd8883de2b181/rootfs type overlay (rw,relatime,lowerdir=/var/lib/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/353/fs:/var/lib/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/352/fs:/var/lib/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/351/fs:/var/lib/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/350/fs:/var/lib/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/349/fs,upperdir=/var/lib/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/376/fs,workdir=/var/lib/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/376/work,xino=off)
overlay on /run/kata-containers/shared/sandboxes/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/shared/17dc48bb193b21d309b7a5bef8d73e50e7095e5bca6d98c5f46bd8883de2b181/rootfs type overlay (rw,relatime,lowerdir=/var/lib/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/353/fs:/var/lib/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/352/fs:/var/lib/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/351/fs:/var/lib/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/350/fs:/var/lib/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/349/fs,upperdir=/var/lib/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/376/fs,workdir=/var/lib/containerd/io.containerd.snapshotter.v1.overlayfs/snapshots/376/work,xino=off)
/dev/sdc3 on /run/kata-containers/shared/sandboxes/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/mounts/17dc48bb193b21d309b7a5bef8d73e50e7095e5bca6d98c5f46bd8883de2b181-4534f52100c5cec0-hosts type ext4 (rw,relatime,errors=remount-ro,stripe=64)
/dev/sdc3 on /run/kata-containers/shared/sandboxes/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/shared/17dc48bb193b21d309b7a5bef8d73e50e7095e5bca6d98c5f46bd8883de2b181-4534f52100c5cec0-hosts type ext4 (rw,relatime,errors=remount-ro,stripe=64)
/dev/sdc3 on /run/kata-containers/shared/sandboxes/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/mounts/17dc48bb193b21d309b7a5bef8d73e50e7095e5bca6d98c5f46bd8883de2b181-3f4fcdfa7fa59e09-termination-log type ext4 (rw,relatime,errors=remount-ro,stripe=64)
/dev/sdc3 on /run/kata-containers/shared/sandboxes/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/shared/17dc48bb193b21d309b7a5bef8d73e50e7095e5bca6d98c5f46bd8883de2b181-3f4fcdfa7fa59e09-termination-log type ext4 (rw,relatime,errors=remount-ro,stripe=64)
/dev/sdc3 on /run/kata-containers/shared/sandboxes/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/mounts/17dc48bb193b21d309b7a5bef8d73e50e7095e5bca6d98c5f46bd8883de2b181-e46a59f3e4b7ed30-hostname type ext4 (rw,relatime,errors=remount-ro,stripe=64)
/dev/sdc3 on /run/kata-containers/shared/sandboxes/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/shared/17dc48bb193b21d309b7a5bef8d73e50e7095e5bca6d98c5f46bd8883de2b181-e46a59f3e4b7ed30-hostname type ext4 (rw,relatime,errors=remount-ro,stripe=64)
/dev/sdc3 on /run/kata-containers/shared/sandboxes/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/mounts/17dc48bb193b21d309b7a5bef8d73e50e7095e5bca6d98c5f46bd8883de2b181-89d63e0268146ce6-resolv.conf type ext4 (rw,relatime,errors=remount-ro,stripe=64)
/dev/sdc3 on /run/kata-containers/shared/sandboxes/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/shared/17dc48bb193b21d309b7a5bef8d73e50e7095e5bca6d98c5f46bd8883de2b181-89d63e0268146ce6-resolv.conf type ext4 (rw,relatime,errors=remount-ro,stripe=64)
tmpfs on /run/kata-containers/shared/sandboxes/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/mounts/17dc48bb193b21d309b7a5bef8d73e50e7095e5bca6d98c5f46bd8883de2b181-9ef41b64eeaa8a2b-serviceaccount type tmpfs (rw,relatime)
tmpfs on /run/kata-containers/shared/sandboxes/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/shared/17dc48bb193b21d309b7a5bef8d73e50e7095e5bca6d98c5f46bd8883de2b181-9ef41b64eeaa8a2b-serviceaccount type tmpfs (rw,relatime)
root@ubuntu:/home/ubuntu#

root@ubuntu:/home/ubuntu# find /run/kata-containers/shared/ -name index.html
/run/kata-containers/shared/sandboxes/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/mounts/ba04873f4b988e1cf150ef92deab2cd475e07e306b226b869c85351450aca503/rootfs/usr/share/doc/adduser/examples/adduser.local.conf.examples/skel.other/index.html
/run/kata-containers/shared/sandboxes/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/mounts/17dc48bb193b21d309b7a5bef8d73e50e7095e5bca6d98c5f46bd8883de2b181/rootfs/usr/share/nginx/html/index.html
/run/kata-containers/shared/sandboxes/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/mounts/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/rootfs/local/shared-data/index.html
/run/kata-containers/shared/sandboxes/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/shared/ba04873f4b988e1cf150ef92deab2cd475e07e306b226b869c85351450aca503/rootfs/usr/share/doc/adduser/examples/adduser.local.conf.examples/skel.other/index.html
/run/kata-containers/shared/sandboxes/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/shared/17dc48bb193b21d309b7a5bef8d73e50e7095e5bca6d98c5f46bd8883de2b181/rootfs/usr/share/nginx/html/index.html
/run/kata-containers/shared/sandboxes/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/shared/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/rootfs/local/shared-data/index.html
/run/kata-containers/shared/sandboxes/ef4b70596e0b829af5fd9f14343f2c92a8da3d0d22ea1f23e83b14384fa4f1cc/mounts/ef4b70596e0b829af5fd9f14343f2c92a8da3d0d22ea1f23e83b14384fa4f1cc-da0bf2558a65810c-containerdir/go/src/net/http/testdata/index.html
/run/kata-containers/shared/sandboxes/ef4b70596e0b829af5fd9f14343f2c92a8da3d0d22ea1f23e83b14384fa4f1cc/mounts/ef4b70596e0b829af5fd9f14343f2c92a8da3d0d22ea1f23e83b14384fa4f1cc-da0bf2558a65810c-containerdir/go/doc/articles/index.html
/run/kata-containers/shared/sandboxes/ef4b70596e0b829af5fd9f14343f2c92a8da3d0d22ea1f23e83b14384fa4f1cc/mounts/ef4b70596e0b829af5fd9f14343f2c92a8da3d0d22ea1f23e83b14384fa4f1cc-da0bf2558a65810c-containerdir/go/doc/articles/wiki/index.html
/run/kata-containers/shared/sandboxes/ef4b70596e0b829af5fd9f14343f2c92a8da3d0d22ea1f23e83b14384fa4f1cc/mounts/ef4b70596e0b829af5fd9f14343f2c92a8da3d0d22ea1f23e83b14384fa4f1cc/rootfs/usr/share/nginx/html/index.html
/run/kata-containers/shared/sandboxes/ef4b70596e0b829af5fd9f14343f2c92a8da3d0d22ea1f23e83b14384fa4f1cc/shared/ef4b70596e0b829af5fd9f14343f2c92a8da3d0d22ea1f23e83b14384fa4f1cc-da0bf2558a65810c-containerdir/go/src/net/http/testdata/index.html

有其他pod也有nginx

/run/kata-containers/shared/sandboxes/ef4b70596e0b829af5fd9f14343f2c92a8da3d0d22ea1f23e83b14384fa4f1cc/shared/ef4b70596e0b829af5fd9f14343f2c92a8da3d0d22ea1f23e83b14384fa4f1cc-da0bf2558a65810c-containerdir/go/doc/articles/index.html /run/kata-containers/shared/sandboxes/ef4b70596e0b829af5fd9f14343f2c92a8da3d0d22ea1f23e83b14384fa4f1cc/shared/ef4b70596e0b829af5fd9f14343f2c92a8da3d0d22ea1f23e83b14384fa4f1cc-da0bf2558a65810c-containerdir/go/doc/articles/wiki/index.html /run/kata-containers/shared/sandboxes/ef4b70596e0b829af5fd9f14343f2c92a8da3d0d22ea1f23e83b14384fa4f1cc/shared/ef4b70596e0b829af5fd9f14343f2c92a8da3d0d22ea1f23e83b14384fa4f1cc/rootfs/usr/share/nginx/html/index.html /run/kata-containers/shared/sandboxes/fa55c7478feb846f8ea41fe52cb13252afb0df1ee09b4cc7a1d58218ed4c782a/mounts/fa55c7478feb846f8ea41fe52cb13252afb0df1ee09b4cc7a1d58218ed4c782a/rootfs/usr/share/nginx/html/index.html /run/kata-containers/shared/sandboxes/fa55c7478feb846f8ea41fe52cb13252afb0df1ee09b4cc7a1d58218ed4c782a/shared/fa55c7478feb846f8ea41fe52cb13252afb0df1ee09b4cc7a1d58218ed4c782a/rootfs/usr/share/nginx/html/index.html /run/kata-containers/shared/sandboxes/bc6b585703b6cb29f5f1d6f5865f5eddeee474b330a08b8eac1e17a3e5f5367b/mounts/17ca0dce454b1e6a29288ece07fd0c7bca4e33a32d7cca9b9a1f30f5cc38b672/rootfs/usr/share/nginx/html/index.html /run/kata-containers/shared/sandboxes/bc6b585703b6cb29f5f1d6f5865f5eddeee474b330a08b8eac1e17a3e5f5367b/shared/17ca0dce454b1e6a29288ece07fd0c7bca4e33a32d7cca9b9a1f30f5cc38b672/rootfs/usr/share/nginx/html/index.html root@ubuntu:/home/ubuntu#
root@ubuntu:~/kata_container# ls /sys/fs/cgroup/cpu,cpuacct/kubepods
besteffort  cgroup.clone_children  cpuacct.stat   cpuacct.usage_all     cpuacct.usage_percpu_sys   cpuacct.usage_sys   cpu.cfs_period_us  cpu.shares  notify_on_release
burstable   cgroup.procs           cpuacct.usage  cpuacct.usage_percpu  cpuacct.usage_percpu_user  cpuacct.usage_user  cpu.cfs_quota_us   cpu.stat    tasks
root@ubuntu:~/kata_container# ls /sys/fs/cgroup/cpu,cpuacct/kubepods/burstable/
cgroup.clone_children  cpuacct.usage         cpuacct.usage_percpu_sys   cpuacct.usage_user  cpu.shares         pod1abb9bdb724ef5ad90593ed254e50144      pod6a8f41f2-6204-4899-992c-2a0be541b376  tasks
cgroup.procs           cpuacct.usage_all     cpuacct.usage_percpu_user  cpu.cfs_period_us   cpu.stat           pod363a5bee1d59c51a98e345162db75755      pod8e8210e9-3b25-4bdd-8f7b-52b3d5334cfe
cpuacct.stat           cpuacct.usage_percpu  cpuacct.usage_sys          cpu.cfs_quota_us    notify_on_release  pod5a3a56c9-c39c-4910-a113-31657bb968fd  podcb87ef4dc335417d42d752668aa1eb27
root@ubuntu:~/kata_container# crictl pods --name two-containers -q 
856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700
root@ubuntu:~/kata_container# POD_ID="$(sudo crictl pods --name two-container -q)"
root@ubuntu:~/kata_container# crictl inspectp -o=json $POD_ID | grep cgroupsPath
        "cgroupsPath": "/kubepods/besteffort/pod21979165-e825-4fb4-a390-e93e62f5b57c/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700",
root@ubuntu:~/kata_container# find /sys/fs/cgroup/  -name pod21979165*
/sys/fs/cgroup/freezer/kubepods/besteffort/pod21979165-e825-4fb4-a390-e93e62f5b57c
/sys/fs/cgroup/blkio/kubepods/besteffort/pod21979165-e825-4fb4-a390-e93e62f5b57c
/sys/fs/cgroup/devices/kubepods/besteffort/pod21979165-e825-4fb4-a390-e93e62f5b57c
/sys/fs/cgroup/net_cls,net_prio/kubepods/besteffort/pod21979165-e825-4fb4-a390-e93e62f5b57c
/sys/fs/cgroup/hugetlb/kubepods/besteffort/pod21979165-e825-4fb4-a390-e93e62f5b57c
/sys/fs/cgroup/rdma/kubepods/besteffort/pod21979165-e825-4fb4-a390-e93e62f5b57c
/sys/fs/cgroup/perf_event/kubepods/besteffort/pod21979165-e825-4fb4-a390-e93e62f5b57c
/sys/fs/cgroup/pids/kubepods/besteffort/pod21979165-e825-4fb4-a390-e93e62f5b57c
/sys/fs/cgroup/memory/kubepods/besteffort/pod21979165-e825-4fb4-a390-e93e62f5b57c
/sys/fs/cgroup/cpuset/kubepods/besteffort/pod21979165-e825-4fb4-a390-e93e62f5b57c
/sys/fs/cgroup/cpu,cpuacct/kubepods/besteffort/pod21979165-e825-4fb4-a390-e93e62f5b57c
/sys/fs/cgroup/systemd/kubepods/besteffort/pod21979165-e825-4fb4-a390-e93e62f5b57c
root@ubuntu:~/kata_container# find /sys/fs/cgroup/  -name pod21979165-e825-4fb4-a390-e93e62f5b57c
/sys/fs/cgroup/freezer/kubepods/besteffort/pod21979165-e825-4fb4-a390-e93e62f5b57c
/sys/fs/cgroup/blkio/kubepods/besteffort/pod21979165-e825-4fb4-a390-e93e62f5b57c
/sys/fs/cgroup/devices/kubepods/besteffort/pod21979165-e825-4fb4-a390-e93e62f5b57c
/sys/fs/cgroup/net_cls,net_prio/kubepods/besteffort/pod21979165-e825-4fb4-a390-e93e62f5b57c
/sys/fs/cgroup/hugetlb/kubepods/besteffort/pod21979165-e825-4fb4-a390-e93e62f5b57c
/sys/fs/cgroup/rdma/kubepods/besteffort/pod21979165-e825-4fb4-a390-e93e62f5b57c
/sys/fs/cgroup/perf_event/kubepods/besteffort/pod21979165-e825-4fb4-a390-e93e62f5b57c
/sys/fs/cgroup/pids/kubepods/besteffort/pod21979165-e825-4fb4-a390-e93e62f5b57c
/sys/fs/cgroup/memory/kubepods/besteffort/pod21979165-e825-4fb4-a390-e93e62f5b57c
/sys/fs/cgroup/cpuset/kubepods/besteffort/pod21979165-e825-4fb4-a390-e93e62f5b57c
/sys/fs/cgroup/cpu,cpuacct/kubepods/besteffort/pod21979165-e825-4fb4-a390-e93e62f5b57c
/sys/fs/cgroup/systemd/kubepods/besteffort/pod21979165-e825-4fb4-a390-e93e62f5b57c
root@ubuntu:~/kata_container# 

 host cgroup

root@ubuntu:/home/ubuntu# ls /sys/fs/cgroup/cpu,cpuacct/kubepods
besteffort cgroup.clone_children cpuacct.stat cpuacct.usage_all cpuacct.usage_percpu_sys cpuacct.usage_sys cpu.cfs_period_us cpu.shares notify_on_release
burstable cgroup.procs cpuacct.usage cpuacct.usage_percpu cpuacct.usage_percpu_user cpuacct.usage_user cpu.cfs_quota_us cpu.stat tasks
root@ubuntu:/home/ubuntu#

root@ubuntu:~/kata_container# ls /sys/fs/cgroup/cpu,cpuacct/kubepods/burstable/
cgroup.clone_children  cpuacct.usage         cpuacct.usage_percpu_sys   cpuacct.usage_user  cpu.shares         pod1abb9bdb724ef5ad90593ed254e50144      pod6a8f41f2-6204-4899-992c-2a0be541b376  tasks
cgroup.procs           cpuacct.usage_all     cpuacct.usage_percpu_user  cpu.cfs_period_us   cpu.stat           pod363a5bee1d59c51a98e345162db75755      pod8e8210e9-3b25-4bdd-8f7b-52b3d5334cfe
cpuacct.stat           cpuacct.usage_percpu  cpuacct.usage_sys          cpu.cfs_quota_us    notify_on_release  pod5a3a56c9-c39c-4910-a113-31657bb968fd  podcb87ef4dc335417d42d752668aa1eb27
root@ubuntu:~/kata_container# crictl pods --name two-containers -q 
856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700
root@ubuntu:~/kata_container# 

kata 虚拟机

root@25a725e7599e:/# ps -e -o cmd  
CMD
/sbin/init
[kthreadd]
[rcu_gp]
[rcu_par_gp]
[kworker/0:0-eve]
[kworker/0:0H-kb]
[kworker/u2:0-ev]
[mm_percpu_wq]
[ksoftirqd/0]
[rcu_sched]
[migration/0]
[cpuhp/0]
[kdevtmpfs]
[netns]
[oom_reaper]
[writeback]
[kcompactd0]
[kblockd]
[blkcg_punt_bio]
[kworker/0:1-eve]
[kswapd0]
[xfsalloc]
[xfs_mru_cache]
[kthrotld]
[khvcd]
[hwrng]
[kworker/u2:1-ev]
[scsi_eh_0]
[scsi_tmf_0]
[ipv6_addrconf]
[jbd2/vda1-8]
[ext4-rsv-conver]
/usr/bin/kata-agent
/bin/bash
/pause
[kworker/0:1H-kb]
nginx: master process nginx -g daemon off;
nginx: worker process
/bin/sh -c while true; do date >> /pod-data/index.html; sleep 10; done
/bin/bash
/bin/bash
sleep 10
ps -e -o cmd
root@25a725e7599e:/# ls
bin   dev  home  lost+found  mnt  proc  run   srv  tmp  var
boot  etc  lib   media       opt  root  sbin  sys  usr
root@25a725e7599e:/# 
root@25a725e7599e:/# find /run/ -name index.html
/run/kata-containers/shared/containers/ba04873f4b988e1cf150ef92deab2cd475e07e306b226b869c85351450aca503/rootfs/usr/share/doc/adduser/examples/adduser.local.conf.examples/skel.other/index.html
/run/kata-containers/shared/containers/17dc48bb193b21d309b7a5bef8d73e50e7095e5bca6d98c5f46bd8883de2b181/rootfs/usr/share/nginx/html/index.html
/run/kata-containers/shared/containers/856a63e5791df94f809b80ac589e3fad059297fed704579769330d214af68700/rootfs/local/shared-data/index.html
root@25a725e7599e:/# 
root@25a725e7599e:/# ps -e -o pid,cmd
  PID CMD
    1 /sbin/init
    2 [kthreadd]
    3 [rcu_gp]
    4 [rcu_par_gp]
    5 [kworker/0:0-eve]
    6 [kworker/0:0H-kb]
    7 [kworker/u2:0-ev]
    8 [mm_percpu_wq]
    9 [ksoftirqd/0]
   10 [rcu_sched]
   11 [migration/0]
   12 [cpuhp/0]
   13 [kdevtmpfs]
   14 [netns]
   15 [oom_reaper]
   16 [writeback]
   17 [kcompactd0]
   18 [kblockd]
   19 [blkcg_punt_bio]
   20 [kworker/0:1-eve]
   21 [kswapd0]
   22 [xfsalloc]
   23 [xfs_mru_cache]
   24 [kthrotld]
   26 [khvcd]
   27 [hwrng]
   28 [kworker/u2:1-ev]
   29 [scsi_eh_0]
   30 [scsi_tmf_0]
   31 [ipv6_addrconf]
   32 [jbd2/vda1-8]
   33 [ext4-rsv-conver]
   50 /usr/bin/kata-agent
   57 /bin/bash
   71 /pause
   76 [kworker/0:1H-kb]
   80 nginx: master process nginx -g daemon off;
  107 nginx: worker process
  111 /bin/sh -c while true; do date >> /pod-data/index.html; sleep 10; done
  146 /bin/bash
  181 /bin/bash
  514 sleep 10
  515 ps -e -o pid,cmd
root@25a725e7599e:/# cat /proc/80/cgroup 
10:freezer:/kubepods/besteffort/pod21979165-e825-4fb4-a390-e93e62f5b57c/17dc48bb193b21d309b7a5bef8d73e50e7095e5bca6d98c5f46bd8883de2b181
9:devices:/kubepods/besteffort/pod21979165-e825-4fb4-a390-e93e62f5b57c/17dc48bb193b21d309b7a5bef8d73e50e7095e5bca6d98c5f46bd8883de2b181
8:blkio:/kubepods/besteffort/pod21979165-e825-4fb4-a390-e93e62f5b57c/17dc48bb193b21d309b7a5bef8d73e50e7095e5bca6d98c5f46bd8883de2b181
7:pids:/kubepods/besteffort/pod21979165-e825-4fb4-a390-e93e62f5b57c/17dc48bb193b21d309b7a5bef8d73e50e7095e5bca6d98c5f46bd8883de2b181
6:memory:/kubepods/besteffort/pod21979165-e825-4fb4-a390-e93e62f5b57c/17dc48bb193b21d309b7a5bef8d73e50e7095e5bca6d98c5f46bd8883de2b181
5:perf_event:/kubepods/besteffort/pod21979165-e825-4fb4-a390-e93e62f5b57c/17dc48bb193b21d309b7a5bef8d73e50e7095e5bca6d98c5f46bd8883de2b181
4:net_cls,net_prio:/kubepods/besteffort/pod21979165-e825-4fb4-a390-e93e62f5b57c/17dc48bb193b21d309b7a5bef8d73e50e7095e5bca6d98c5f46bd8883de2b181
3:cpu,cpuacct:/kubepods/besteffort/pod21979165-e825-4fb4-a390-e93e62f5b57c/17dc48bb193b21d309b7a5bef8d73e50e7095e5bca6d98c5f46bd8883de2b181
2:cpuset:/kubepods/besteffort/pod21979165-e825-4fb4-a390-e93e62f5b57c/17dc48bb193b21d309b7a5bef8d73e50e7095e5bca6d98c5f46bd8883de2b181
1:name=systemd:/kubepods/besteffort/pod21979165-e825-4fb4-a390-e93e62f5b57c/17dc48bb193b21d309b7a5bef8d73e50e7095e5bca6d98c5f46bd8883de2b181
0::/system.slice/kata-agent.service
root@25a725e7599e:/# cat /proc/111/cgroup   
10:freezer:/kubepods/besteffort/pod21979165-e825-4fb4-a390-e93e62f5b57c/ba04873f4b988e1cf150ef92deab2cd475e07e306b226b869c85351450aca503
9:devices:/kubepods/besteffort/pod21979165-e825-4fb4-a390-e93e62f5b57c/ba04873f4b988e1cf150ef92deab2cd475e07e306b226b869c85351450aca503
8:blkio:/kubepods/besteffort/pod21979165-e825-4fb4-a390-e93e62f5b57c/ba04873f4b988e1cf150ef92deab2cd475e07e306b226b869c85351450aca503
7:pids:/kubepods/besteffort/pod21979165-e825-4fb4-a390-e93e62f5b57c/ba04873f4b988e1cf150ef92deab2cd475e07e306b226b869c85351450aca503
6:memory:/kubepods/besteffort/pod21979165-e825-4fb4-a390-e93e62f5b57c/ba04873f4b988e1cf150ef92deab2cd475e07e306b226b869c85351450aca503
5:perf_event:/kubepods/besteffort/pod21979165-e825-4fb4-a390-e93e62f5b57c/ba04873f4b988e1cf150ef92deab2cd475e07e306b226b869c85351450aca503
4:net_cls,net_prio:/kubepods/besteffort/pod21979165-e825-4fb4-a390-e93e62f5b57c/ba04873f4b988e1cf150ef92deab2cd475e07e306b226b869c85351450aca503
3:cpu,cpuacct:/kubepods/besteffort/pod21979165-e825-4fb4-a390-e93e62f5b57c/ba04873f4b988e1cf150ef92deab2cd475e07e306b226b869c85351450aca503
2:cpuset:/kubepods/besteffort/pod21979165-e825-4fb4-a390-e93e62f5b57c/ba04873f4b988e1cf150ef92deab2cd475e07e306b226b869c85351450aca503
1:name=systemd:/kubepods/besteffort/pod21979165-e825-4fb4-a390-e93e62f5b57c/ba04873f4b988e1cf150ef92deab2cd475e07e306b226b869c85351450aca503
0::/system.slice/kata-agent.service
root@25a725e7599e:/# 

root@25a725e7599e:/# ls /sys/fs/cgroup/cpu,cpuacct/
cgroup.clone_children  cpuacct.stat               cpuacct.usage_user
cgroup.procs           cpuacct.usage              kubepods
cgroup.sane_behavior   cpuacct.usage_all          notify_on_release
cpu.cfs_period_us      cpuacct.usage_percpu       release_agent
cpu.cfs_quota_us       cpuacct.usage_percpu_sys   tasks
cpu.shares             cpuacct.usage_percpu_user
cpu.stat               cpuacct.usage_sys
root@25a725e7599e:/# 

==================================================

docker run -d -it --runtime=kata-runtime -v  /root/kata/:/containerdir nginx:latest

root@ubuntu:/run/kata-containers/shared/sandboxes/ef4b70596e0b829af5fd9f14343f2c92a8da3d0d22ea1f23e83b14384fa4f1cc/shared/ef4b70596e0b829af5fd9f14343f2c92a8da3d0d22ea1f23e83b14384fa4f1cc/rootfs# find ./ -type l | xargs ls -ld |  grep run
lrwxrwxrwx 1 root root 22 Apr 27  2020 ./usr/share/zoneinfo/posix/America/Eirunepe -> ../../America/Eirunepe
lrwxrwxrwx 1 root root 17 Apr 27  2020 ./usr/share/zoneinfo/posix/Asia/Brunei -> ../../Asia/Brunei
lrwxrwxrwx 1 root root  9 Oct 12 15:00 ./var/lock -> /run/lock
lrwxrwxrwx 1 root root  4 Oct 12 15:00 ./var/run -> /run
root@ubuntu:/run/kata-containers/shared/sandboxes/ef4b70596e0b829af5fd9f14343f2c92a8da3d0d22ea1f23e83b14384fa4f1cc/shared/ef4b70596e0b829af5fd9f14343f2c92a8da3d0d22ea1f23e83b14384fa4f1cc/rootfs# ls
bin  boot  containerdir  dev  docker-entrypoint.d  docker-entrypoint.sh  etc  home  lib  media  mnt  opt  proc  root  run  sbin  srv  sys  tmp  usr  var
root@ubuntu:/run/kata-containers/shared/sandboxes/ef4b70596e0b829af5fd9f14343f2c92a8da3d0d22ea1f23e83b14384fa4f1cc/shared/ef4b70596e0b829af5fd9f14343f2c92a8da3d0d22ea1f23e83b14384fa4f1cc/rootfs# ls -al
total 96
drwxr-xr-x 1 root root 4096 Nov  1 13:01 .
drwxr-xr-x 3 root root   60 Nov  1 13:01 ..
drwxr-xr-x 1 root root 4096 Oct 13 18:35 bin
drwxr-xr-x 2 root root 4096 Sep 20 05:39 boot
drwxr-xr-x 2 root root 4096 Nov  1 13:10 containerdir
drwxr-xr-x 1 root root 4096 Nov  1 13:01 dev
drwxr-xr-x 1 root root 4096 Oct 13 18:35 docker-entrypoint.d
-rwxrwxr-x 1 root root 1202 Oct 13 18:29 docker-entrypoint.sh
-rwxr-xr-x 1 root root    0 Nov  1 13:01 .dockerenv
drwxr-xr-x 1 root root 4096 Nov  1 13:01 etc
drwxr-xr-x 2 root root 4096 Sep 20 05:39 home
drwxr-xr-x 1 root root 4096 Oct 13 18:35 lib
drwxr-xr-x 2 root root 4096 Oct 12 15:00 media
drwxr-xr-x 2 root root 4096 Oct 12 15:00 mnt
drwxr-xr-x 2 root root 4096 Oct 12 15:00 opt
drwxr-xr-x 2 root root 4096 Sep 20 05:39 proc
drwx------ 2 root root 4096 Oct 12 15:00 root
drwxr-xr-x 1 root root 4096 Nov  1 13:01 run
drwxr-xr-x 2 root root 4096 Oct 12 15:00 sbin
drwxr-xr-x 2 root root 4096 Oct 12 15:00 srv
drwxr-xr-x 2 root root 4096 Sep 20 05:39 sys
drwxrwxrwt 1 root root 4096 Oct 13 18:35 tmp
drwxr-xr-x 1 root root 4096 Oct 12 15:00 usr
drwxr-xr-x 1 root root 4096 Oct 12 15:00 var
root@ubuntu:/run/kata-containers/shared/sandboxes/ef4b70596e0b829af5fd9f14343f2c92a8da3d0d22ea1f23e83b14384fa4f1cc/shared/ef4b70596e0b829af5fd9f14343f2c92a8da3d0d22ea1f23e83b14384fa4f1cc/rootfs#
root@ubuntu:/home/ubuntu# ls /run/kata-containers/shared/sandboxes/ef4b70596e0b829af5fd9f14343f2c92a8da3d0d22ea1f23e83b14384fa4f1cc/shared/ef4b70596e0b829af5fd9f14343f2c92a8da3d0d22ea1f23e83b14384fa4f1cc/rootfs
bin  boot  containerdir  dev  docker-entrypoint.d  docker-entrypoint.sh  etc  home  lib  media  mnt  opt  proc  root  run  sbin  srv  sys  tmp  usr  var
root@ubuntu:/home/ubuntu# ls /run/kata-containers/shared/sandboxes/ef4b70596e0b829af5fd9f14343f2c92a8da3d0d22ea1f23e83b14384fa4f1cc/shared/ef4b70596e0b829af5fd9f14343f2c92a8da3d0d22ea1f23e83b14384fa4f1cc/rootfs/containerdir/
container
root@ubuntu:/home/ubuntu# ls /run/kata-containers/shared/sandboxes/ef4b70596e0b829af5fd9f14343f2c92a8da3d0d22ea1f23e83b14384fa4f1cc/shared/ef4b70596e0b829af5fd9f14343f2c92a8da3d0d22ea1f23e83b14384fa4f1cc/rootfs/containerdir/ -al
total 8
drwxr-xr-x 2 root root 4096 Nov  1 13:10 .
drwxr-xr-x 1 root root 4096 Nov  1 13:01 ..
lrwxrwxrwx 1 root root    9 Nov  1 13:10 container -> container   ------竟然啥都没有
root@ubuntu:/home/ubuntu# ls /run/kata-containers/shared/sandboxes/ef4b70596e0b829af5fd9f14343f2c92a8da3d0d22ea1f23e83b14384fa4f1cc/shared/ef4b70596e0b829af5fd9f14343f2c92a8da3d0d22ea1f23e83b14384fa4f1cc/rootfs/containerdir/container 
ls: cannot access '/run/kata-containers/shared/sandboxes/ef4b70596e0b829af5fd9f14343f2c92a8da3d0d22ea1f23e83b14384fa4f1cc/shared/ef4b70596e0b829af5fd9f14343f2c92a8da3d0d22ea1f23e83b14384fa4f1cc/rootfs/containerdir/container': Too many levels of symbolic links
  

root@ubuntu:/home/ubuntu# ls /root/kata/
go go1.15.2.linux-arm64.tar.gz go_package go_source go.tar.gz images kata_package linux_signing_key.pub nemu qemu qemu4.0 qemu-lite runtime typescript
root@ubuntu:/home/ubuntu#

原文地址:https://www.cnblogs.com/dream397/p/13913529.html