68 lines
2.1 KiB
Bash
Executable File
68 lines
2.1 KiB
Bash
Executable File
#!/bin/sh -eu
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# vim: ts=4 et:
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# NOTE: This is lifted almost verbatim from alpine-ec2-ami's setup-ami script
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# While refactoring that, it became apparent that these bits really belonged
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# to the tiny-ec2-bootstrap package, and in order to also provide a
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# "cloud-init" image flavor, we needed separate these parts out.
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#
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# It is our intention to eventually incorporate this in a tiny-cloud-bootstrap
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# package (and per-cloud subpackages).
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[ -z "$DEBUG" -o "$DEBUG" = 0 ] || set -x
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TARGET=/mnt
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SETUP=/tmp/setup-tiny.d
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die() {
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printf '\033[1;7;31m FATAL: %s \033[0m\n' "$@" >&2 # bold reversed red
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exit 1
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}
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einfo() {
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printf '\n\033[1;7;36m> %s <\033[0m\n' "$@" >&2 # bold reversed cyan
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}
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setup_mdev() {
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echo " * Setting up mdev"
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install -o root -g root -Dm755 -t "$TARGET/lib/mdev" \
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"$SETUP/nvme-ebs-links" \
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"$SETUP/eth-eni-hotplug"
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# insert nvme ebs mdev configs just above "# fallback" comment
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sed -n -i \
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-e "/# fallback/r $SETUP/mdev-ec2.conf" \
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-e 1x -e '2,${x;p}' -e '${x;p}' \
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"$TARGET/etc/mdev.conf"
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}
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setup_networking() {
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echo " * Setting up networking"
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# configure standard interfaces
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IFACE_CFG="$TARGET/etc/network/interfaces"
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install -o root -g root -Dm755 -d "$SETUP/interfaces.d" "$IFACE_CFG.d"
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install -o root -g root -Dm644 -t "$IFACE_CFG.d" \
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"$SETUP/interfaces.d/"*
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cat "$IFACE_CFG.d/lo" "$IFACE_CFG.d/eth0" > "$IFACE_CFG"
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install -o root -g root -Dm755 -t "$TARGET/etc/network" \
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"$SETUP/assemble-interfaces"
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# install ucdhcp hooks for EC2 ENI IPv6 and secondary IPv4
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install -o root -g root -Dm755 -t "$TARGET/usr/share/udhcpc" \
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"$SETUP/eth-eni-hook"
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for i in post-bound post-renew; do
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mkdir -p "$TARGET/etc/udhcpc/$i"
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ln -sf /usr/share/udhcpc/eth-eni-hook \
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"$TARGET/etc/udhcpc/$i"
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done
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# install ENI interface setup init script
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install -o root -g root -Dm755 -t "$TARGET/etc/init.d" \
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"$SETUP/eth-eni-setup"
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}
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einfo "Installing up tiny bootstrap components..."
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setup_mdev
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setup_networking
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echo "EC2_USER=$IMAGE_LOGIN" > "$TARGET/etc/conf.d/tiny-ec2-bootstrap"
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