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38 lines
1.1 KiB
Bash
Executable File
38 lines
1.1 KiB
Bash
Executable File
#!/bin/bash -ex
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# vi: ts=4 noexpandtab
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# In a kernel layer, we need a freshly updated initrd (to ensure it
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# has been casperized with an appropriate config). A binary hook will
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# pull this out to be a separate build artifact to eventually end up
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# in /casper on the generated ISO.
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# In all lower layers, having an initrd just wastes space, as curtin
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# will always call update-initramfs after the layer has been copied to
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# the target system.
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# The netboot "layers" are not made into squashfses so there's no need
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# to do anything in those.
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case $PASS in
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ubuntu-server-minimal.ubuntu-server.installer.*.*)
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exit 0
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;;
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ubuntu-server-minimal.ubuntu-server.installer.*)
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;;
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*)
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rm -f /boot/initrd.img-*
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exit 0
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;;
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esac
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cat <<EOF > /etc/initramfs-tools/conf.d/casperize.conf
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export CASPER_GENERATE_UUID=1
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EOF
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cat <<EOF > /etc/initramfs-tools/conf.d/default-layer.conf
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LAYERFS_PATH=${PASS}.squashfs
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EOF
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# As this hook has deleted the initrds from lower layers we need to
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# pass -c -k all to update-initramfs here (-u will do nothing)
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update-initramfs -c -k all
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