mirror of
https://github.com/clearlinux/cloud-native-setup.git
synced 2026-08-23 07:56:01 +00:00
Eric Ernst
66 lines
2.0 KiB
Bash
Executable File
66 lines
2.0 KiB
Bash
Executable File
#!/bin/bash
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set -o errexit
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set -o nounset
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set -o pipefail
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sudo rm -rf /var/lib/containerd/devmapper/data-disk.img
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sudo rm -rf /var/lib/containerd/devmapper/meta-disk.img
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sudo mkdir -p /var/lib/containerd/devmapper
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sudo truncate --size 10G /var/lib/containerd/devmapper/data-disk.img
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sudo truncate --size 10G /var/lib/containerd/devmapper/meta-disk.img
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sudo mkdir -p /etc/systemd/system
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cat<<EOT | sudo tee /etc/systemd/system/containerd-devmapper.service
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[Unit]
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Description=Setup containerd devmapper device
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DefaultDependencies=no
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After=systemd-udev-settle.service
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Before=lvm2-activation-early.service
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Wants=systemd-udev-settle.service
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[Service]
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Type=oneshot
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RemainAfterExit=true
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ExecStart=-/sbin/losetup /dev/loop20 /var/lib/containerd/devmapper/data-disk.img
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ExecStart=-/sbin/losetup /dev/loop21 /var/lib/containerd/devmapper/meta-disk.img
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[Install]
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WantedBy=local-fs.target
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EOT
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sudo systemctl daemon-reload
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sudo systemctl enable --now containerd-devmapper
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# Time to setup the thin pool for consumption.
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# The table arguments are such.
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# start block in the virtual device
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# length of the segment (block device size in bytes / Sector size (512)
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# metadata device
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# block data device
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# data_block_size Currently set it 512 (128KB)
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# low_water_mark. Copied this from containerd snapshotter test setup
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# no. of feature arguments
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# Skip zeroing blocks for new volumes.
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sudo dmsetup create contd-thin-pool \
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--table "0 20971520 thin-pool /dev/loop21 /dev/loop20 512 32768 1 skip_block_zeroing"
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sudo mkdir -p /etc/containerd/
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if [ -f /etc/containerd/config.toml ]
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then
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sudo sed -i 's|^\(\[plugins\]\).*|\1\n \[plugins.devmapper\]\n pool_name = \"contd-thin-pool\"\n base_image_size = \"4096MB\"|' /etc/containerd/config.toml
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else
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cat<<EOT | sudo tee /etc/containerd/config.toml
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[plugins]
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[plugins.devmapper]
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pool_name = "contd-thin-pool"
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base_image_size = "4096MB"
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[plugins.cri]
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[plugins.cri.containerd]
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snapshotter = "devmapper"
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EOT
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fi
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sudo systemctl restart containerd
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