wbrawner/toolbox
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Try to migrate to a supported OCI runtime if 'podman start' suggests so

Browse source 
Toolbox containers using runc as their runtime don't work on host
operating systems using cgroups v2. They need to be migrated to crun.
'podman start' throws a specific error for such containers:
  ERRO[0000]: oci runtime "runc" does not support CGroups V2: use
    system migrate to mitigate
  Error: unable to start container "fedora-toolbox-30": this version
    of runc doesn't work on cgroups v2: OCI runtime error

This error is identified by the phrase "use system migrate to mitigate"
to avoid encoding any assumptions about updating from cgroups v1 to v2
or downgrading in the other direction.

If the migration fails, 'toolbox reset' is suggested as the last hope.

https://github.com/containers/toolbox/pull/309
This commit is contained in:
Debarshi Ray 2019-10-25 18:35:22 +02:00
parent 3496029ed7
commit 2e7ba83be2
1 changed files with 38 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

41
toolbox
View file

@ -249,9 +249,44 @@ container_start()
(
container="$1"
if ! podman start "$container" >/dev/null 2>&3; then
echo "$base_toolbox_command: failed to start container $container" >&2
return 1
error_message=$( (podman start "$container" >/dev/null) 2>&1)
ret_val="$?"
[ "$error_message" != "" ] 2>&3 && echo "$error_message" >&3
if [ "$ret_val" -ne 0 ] 2>&3; then
if echo "$error_message" | grep "use system migrate to mitigate" >/dev/null 2>&3; then
echo "$base_toolbox_command: checking if 'podman system migrate' supports --new-runtime" >&3
if ! (podman system migrate --help 2>&3 | grep "new-runtime" >/dev/null 2>&3); then
echo "$base_toolbox_command: container $container doesn't support cgroups v$cgroups_version" >&2
echo "Update Podman to version 1.6.2 or newer." >&2
return 1
else
echo "$base_toolbox_command: 'podman system migrate' supports --new-runtime" >&3
oci_runtime_required="runc"
[ "$cgroups_version" -eq 2 ] 2>&3 && oci_runtime_required="crun"
echo "$base_toolbox_command: migrating containers to OCI runtime $oci_runtime_required" >&3
if ! podman system migrate --new-runtime "$oci_runtime_required" >/dev/null 2>&3; then
echo "$base_toolbox_command: failed to migrate containers to OCI runtime $oci_runtime_required" >&2
echo "Factory reset with: toolbox reset" >&2
echo "Try '$base_toolbox_command --help' for more information." >&2
return 1
fi
if ! podman start "$container" >/dev/null 2>&3; then
echo "$base_toolbox_command: container $container doesn't support cgroups v$cgroups_version" >&2
echo "Factory reset with: toolbox reset" >&2
echo "Try '$base_toolbox_command --help' for more information." >&2
return 1
fi
fi
else
echo "$base_toolbox_command: failed to start container $container" >&2
return 1
fi
fi
return 0