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sovereign-stack/deployment/create_lxc_base.sh
2023-02-01 14:44:05 -05:00

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#!/bin/bash
set -exu
cd "$(dirname "$0")"
./stub_lxc_profile.sh "$BASE_IMAGE_VM_NAME"
# let's download our base image.
if ! lxc image list --format csv --columns l | grep -q "$UBUNTU_BASE_IMAGE_NAME"; then
# if the image doesn't exist, download it from Ubuntu's image server
# TODO see if we can fetch this file from a more censorship-resistant source, e.g., ipfs
# we don't really need to cache this locally since it gets continually updated upstream.
lxc image copy "images:$BASE_LXC_IMAGE" "$CLUSTER_NAME": --alias "$UBUNTU_BASE_IMAGE_NAME" --public --vm --auto-update
fi
# If the lxc VM does exist, then we will delete it (so we can start fresh)
if lxc list -q --format csv | grep -q "$BASE_IMAGE_VM_NAME"; then
# if there's no snapshot, we dispense with the old image and try again.
if ! lxc info "$BASE_IMAGE_VM_NAME" | grep -q "ss-docker-$(date +%Y-%m)"; then
lxc delete "$BASE_IMAGE_VM_NAME" --force
ssh-keygen -f "$SSH_HOME/known_hosts" -R "$BASE_IMAGE_VM_NAME"
fi
else
# the base image is ubuntu:22.04.
lxc init --profile="$BASE_IMAGE_VM_NAME" "$UBUNTU_BASE_IMAGE_NAME" "$BASE_IMAGE_VM_NAME" --vm
# TODO move this sovereign-stack-base construction VM to separate dedicated IP
lxc config set "$BASE_IMAGE_VM_NAME"
lxc start "$BASE_IMAGE_VM_NAME"
sleep 70
# ensure the ssh service is listening at localhost
lxc exec "$BASE_IMAGE_VM_NAME" -- wait-for-it 127.0.0.1:22 -t 120
# stop the VM and get a snapshot.
lxc stop "$BASE_IMAGE_VM_NAME"
lxc snapshot "$BASE_IMAGE_VM_NAME" "ss-docker-$(date +%Y-%m)"
fi