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sovereign-stack/deployment/deploy_vms.sh

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#!/bin/bash
set -eux
cd "$(dirname "$0")"
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# let's make sure we have an ssh keypair. We just use $SSH_HOME/id_rsa
# TODO convert this to SSH private key held on Trezor. THus trezor-T required for
# login operations. This should be configurable of course.
if [ ! -f "$SSH_HOME/id_rsa" ]; then
# generate a new SSH key for the base vm image.
ssh-keygen -f "$SSH_HOME/id_rsa" -t ecdsa -b 521 -N ""
fi
## This is a weird if clause since we need to LEFT-ALIGN the statement below.
SSH_STRING="Host ${FQDN}"
if ! grep -q "$SSH_STRING" "$SSH_HOME/config"; then
########## BEGIN
cat >> "$SSH_HOME/config" <<-EOF
${SSH_STRING}
HostName ${FQDN}
User ubuntu
EOF
###
fi
function prepare_host {
# scan the remote machine and install it's identity in our SSH known_hosts file.
ssh-keyscan -H -t ecdsa "$FQDN" >> "$SSH_HOME/known_hosts"
# create a directory to store backup archives. This is on all new vms.
ssh "$FQDN" mkdir -p "$REMOTE_HOME/backups"
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# if this execution is for btcpayserver, then we run the stub/btcpay setup script
# but only if it hasn't been executed before.
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if [ "$VIRTUAL_MACHINE" = btcpayserver ]; then
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if [ "$(ssh "$BTCPAY_FQDN" [[ ! -f "$REMOTE_HOME/btcpay.complete" ]]; echo $?)" -eq 0 ]; then
./btcpayserver/stub_btcpay_setup.sh
fi
fi
}
# when set to true, this flag indicates that a new VPS was created during THIS script run.
if [ "$VPS_HOSTING_TARGET" = aws ]; then
# let's create the remote VPS if needed.
if ! docker-machine ls -q --filter name="$FQDN" | grep -q "$FQDN"; then
./provision_vps.sh
prepare_host
fi
elif [ "$VPS_HOSTING_TARGET" = lxd ]; then
ssh-keygen -f "$SSH_HOME/known_hosts" -R "$FQDN"
# if the machine doesn't exist, we create it.
if ! lxc list --format csv | grep -q "$LXD_VM_NAME"; then
# create a base image if needed and instantiate a VM.
if [ -z "$MAC_ADDRESS_TO_PROVISION" ]; then
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echo "ERROR: You MUST define a MAC Address for all your machines by setting WWW_SERVER_MAC_ADDRESS, BTCPAYSERVER_MAC_ADDRESS in your site defintion."
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echo "INFO: IMPORTANT! You MUST have DHCP Reservations for these MAC addresses. You also need static DNS entries."
exit 1
fi
./provision_lxc.sh
fi
prepare_host
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fi