mirror of
https://github.com/clearlinux/clr-installer.git
synced 2026-09-01 19:21:31 +00:00
Leandro Dorileo
71305a8326
aws, azure, ciao-networking, cloud, containers, gce, and hyperv image descriptors. Signed-off-by: Leandro Dorileo <leandro.maciel.dorileo@intel.com>
66 lines
1.7 KiB
Bash
Executable File
66 lines
1.7 KiB
Bash
Executable File
#!/bin/bash
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# NOTE: Changes to /usr in this file is due to /etc and /var being tmpfs
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# so the only way to permanently alter system default behavior is to
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# modify /usr. This makes the system not exactly Clear Linux like.
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# Cleanup optimized firstboot data in var
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rm -fr "$1/var/"*
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# Create directories used in later setup for embedded service
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mkdir "$1/root/bundle"
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mkdir "$1/root/integration"
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# Stop systemd-journal from running
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rm "$1/usr/lib/systemd/system/sysinit.target.wants/systemd-journal"*
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rm "$1/usr/lib/systemd/system/sockets.target.wants/systemd-journald"*
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# Create specialized mount units for /etc and /var to be tmpfs
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cat <<EOF > "$1/usr/lib/systemd/system/etc.mount"
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[Unit]
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Description=Make /etc temporary
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DefaultDependencies=no
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Conflicts=umount.target
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Before=local-fs.target umount.target
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After=swap.target
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[Mount]
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What=tmpfs
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Where=/etc
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Type=tmpfs
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Options=mode=0755
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EOF
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cat <<EOF > "$1/usr/lib/systemd/system/var.mount"
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[Unit]
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Description=Make /var temporary
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DefaultDependencies=no
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Conflicts=umount.target
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Before=local-fs.target umount.target
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After=swap.target
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[Mount]
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What=tmpfs
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Where=/var
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Type=tmpfs
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Options=mode=0755
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EOF
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cat <<EOF > "$1/usr/lib/systemd/system/machine-id.service"
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[Unit]
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Description=Create /etc/machine-id after /etc is mounted as tmpfs
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DefaultDependencies=no
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Conflicts=shutdown.target
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Before=sysinit.target shutdown.target
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After=etc.mount
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[Service]
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Type=oneshot
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RemainAfterExit=yes
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ExecStart=/usr/bin/systemd-machine-id-setup
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EOF
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ln -s ../etc.mount "$1/usr/lib/systemd/system/local-fs.target.wants/"
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ln -s ../var.mount "$1/usr/lib/systemd/system/local-fs.target.wants/"
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ln -s ../machine-id.service "$1/usr/lib/systemd/system/local-fs.target.wants/"
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