ID-mapped copy of layer?

[RRadziejewski]

Background: I have a huge image and wan't to preserve the uid inside a container
Problem: When i run podman it tries to create ID-mapped copy of all layers... my image is 50GB, this is super problematic and inefficient

Error: creating container storage: creating an ID-mapped copy of layer "fae81fd655ece87916cc0ab4b1cdb460163f256fffd86036f56d4277d5cd32a3": signal: interrupt

Execution podman run -it --privileged --userns=keep-id --user=$(id -u):$(id -g) - v /home/localuser:/home/containerusergitlab.registry:500/mysuperbigassimage:latest

Environment:

host:
  arch: amd64
  buildahVersion: 1.33.7
  cgroupControllers:
  - cpu
  - memory
  - pids
  cgroupManager: systemd
  cgroupVersion: v2
  conmon:
    package: conmon_2.1.10+ds1-1build2_amd64
    path: /usr/bin/conmon
    version: 'conmon version 2.1.10, commit: unknown'
  cpuUtilization:
    idlePercent: 99.55
    systemPercent: 0.25
    userPercent: 0.2
  cpus: 32
  databaseBackend: sqlite
  distribution:
    codename: noble
    distribution: ubuntu
    version: "24.04"
  eventLogger: journald
  freeLocks: 2036
  hostname: myhostname
  idMappings:
    gidmap:
    - container_id: 0
      host_id: 412800513
      size: 1
    - container_id: 1
      host_id: 100000
      size: 65536
    uidmap:
    - container_id: 0
      host_id: 412803802
      size: 1
    - container_id: 1
      host_id: 100000
      size: 65536
  kernel: 6.8.0-48-generic
  linkmode: dynamic
  logDriver: journald
  memFree: 11899527168
  memTotal: 67377868800
  networkBackend: netavark
  networkBackendInfo:
    backend: netavark
    dns:
      package: aardvark-dns_1.4.0-5_amd64
      path: /usr/lib/podman/aardvark-dns
      version: aardvark-dns 1.4.0
    package: netavark_1.4.0-4_amd64
    path: /usr/lib/podman/netavark
    version: netavark 1.4.0
  ociRuntime:
    name: crun
    package: crun_1.14.1-1_amd64
    path: /usr/bin/crun
    version: |-
      crun version 1.14.1
      commit: de537a7965bfbe9992e2cfae0baeb56a08128171
      rundir: /run/user/412803802/crun
      spec: 1.0.0
      +SYSTEMD +SELINUX +APPARMOR +CAP +SECCOMP +EBPF +WASM:wasmedge +YAJL
  os: linux
  pasta:
    executable: /usr/bin/pasta
    package: passt_0.0~git20240220.1e6f92b-1_amd64
    version: |
      pasta unknown version
      Copyright Red Hat
      GNU General Public License, version 2 or later
        <https://www.gnu.org/licenses/old-licenses/gpl-2.0.html>
      This is free software: you are free to change and redistribute it.
      There is NO WARRANTY, to the extent permitted by law.
  remoteSocket:
    exists: false
    path: /run/user/412803802/podman/podman.sock
  security:
    apparmorEnabled: false
    capabilities: CAP_CHOWN,CAP_DAC_OVERRIDE,CAP_FOWNER,CAP_FSETID,CAP_KILL,CAP_NET_BIND_SERVICE,CAP_SETFCAP,CAP_SETGID,CAP_SETPCAP,CAP_SETUID,CAP_SYS_CHROOT
    rootless: true
    seccompEnabled: true
    seccompProfilePath: /usr/share/containers/seccomp.json
    selinuxEnabled: false
  serviceIsRemote: false
  slirp4netns:
    executable: /usr/bin/slirp4netns
    package: slirp4netns_1.2.1-1build2_amd64
    version: |-
      slirp4netns version 1.2.1
      commit: 09e31e92fa3d2a1d3ca261adaeb012c8d75a8194
      libslirp: 4.7.0
      SLIRP_CONFIG_VERSION_MAX: 4
      libseccomp: 2.5.5
  swapFree: 2145382400
  swapTotal: 2147479552
  uptime: 22h 27m 51.00s (Approximately 0.92 days)
  variant: ""
plugins:
  authorization: null
  log:
  - k8s-file
  - none
  - passthrough
  - journald
  network:
  - bridge
  - macvlan
  - ipvlan
  volume:
  - local
registries: {}
store:
  configFile: /home/localuser/.config/containers/storage.conf
  containerStore:
    number: 11
    paused: 0
    running: 0
    stopped: 11
  graphDriverName: overlay
  graphOptions:
    overlay.mount_program:
      Executable: /usr/bin/fuse-overlayfs
      Package: fuse-overlayfs_1.13-1_amd64
      Version: |-
        fusermount3 version: 3.14.0
        fuse-overlayfs: version 1.13-dev
        FUSE library version 3.14.0
        using FUSE kernel interface version 7.31
  graphRoot: /home/localuser/.local/share/containers/storage
  graphRootAllocated: 154973663232
  graphRootUsed: 75163627520
  graphStatus:
    Backing Filesystem: extfs
    Native Overlay Diff: "false"
    Supports d_type: "true"
    Supports shifting: "true"
    Supports volatile: "true"
    Using metacopy: "false"
  imageCopyTmpDir: /var/tmp
  imageStore:
    number: 2
  runRoot: /run/user/412803802/containers
  transientStore: false
  volumePath: /home/localuser/.local/share/containers/storage/volumes
version:
  APIVersion: 4.9.3
  Built: 0
  BuiltTime: Thu Jan  1 01:00:00 1970
  GitCommit: ""
  GoVersion: go1.22.2
  Os: linux
  OsArch: linux/amd64
  Version: 4.9.3

Any help appreciated please!!!

[RRadziejewski]

Do not care about error itself i just interrputed this copying since it could take ages...

[RRadziejewski]

/close