e1adfaeb92
slow_chown is safe to add on all kernels, and when running in old kernels (as some CI distros on purpose are), we want the expensive fallback. Vagrant setup and others use this script to config containerd. This fixes userns tests with runc 1.2.0-rc.2 when running with old kernels. Signed-off-by: Rodrigo Campos <rodrigoca@microsoft.com>
46 lines
1.4 KiB
Bash
Executable File
46 lines
1.4 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Copyright The containerd Authors.
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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# http://www.apache.org/licenses/LICENSE-2.0
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# establishes /etc/containerd/config.toml
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# parameterized by the current SELinux mode
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#
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set -eux -o pipefail
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enable_selinux=false
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if type -p getenforce &>/dev/null && [[ $(getenforce) != Disabled ]]; then
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enable_selinux=true
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fi
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mkdir -p /etc/containerd
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cat << EOF | sudo tee /etc/containerd/config.toml
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version = 2
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[plugins."io.containerd.snapshotter.v1.overlayfs"]
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# slow_chown is needed to avoid an error with kernel < 5.19:
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# > "snapshotter \"overlayfs\" doesn't support idmap mounts on this host,
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# > configure \`slow_chown\` to allow a slower and expensive fallback"
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# https://github.com/containerd/containerd/pull/9920#issuecomment-1978901454
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# This is safely ignored for kernel >= 5.19.
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slow_chown = true
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[plugins]
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[plugins."io.containerd.grpc.v1.cri"]
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enable_selinux = ${enable_selinux}
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EOF
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