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sovereign-stack/deployment/update.sh

130 lines
4.7 KiB
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#!/bin/bash
set -eu
cd "$(dirname "$0")"
# check if there are any uncommited changes. It's dangerous to
# alter production systems when you have commits to make or changes to stash.
if git update-index --refresh | grep -q "needs update"; then
echo "ERROR: You have uncommited changes! You MUST commit or stash all changes to continue."
exit 1
fi
echo "WARNING: this script backs up your existing remote and saves all data locally in the SSME."
echo " Then, all your VMs are destroyed on the remote resulting is destruction of user data."
echo " But then we re-create everything using the new codebase, then restore user data to the"
echo " newly provisioned VMs."
RESPONSE=
read -r -p "Are you sure you want to continue (y/n): ": RESPONSE
if [ "$RESPONSE" != "y" ]; then
echo "STOPPING."
exit 0
fi
USER_TARGET_PROJECT=
# grab any modifications from the command line.
for i in "$@"; do
case $i in
--project=*)
USER_TARGET_PROJECT="${i#*=}"
shift
;;
*)
echo "Unexpected option: $1"
exit 1
;;
esac
done
. ../defaults.sh
. ./remote_env.sh
for PROJECT_CHAIN in ${DEPLOYMENT_STRING//,/ }; do
NO_PARENS="${PROJECT_CHAIN:1:${#PROJECT_CHAIN}-2}"
PROJECT_PREFIX=$(echo "$NO_PARENS" | cut -d'|' -f1)
BITCOIN_CHAIN=$(echo "$NO_PARENS" | cut -d'|' -f2)
export PROJECT_PREFIX="$PROJECT_PREFIX"
export BITCOIN_CHAIN="$BITCOIN_CHAIN"
PROJECT_NAME="$PROJECT_PREFIX-$BITCOIN_CHAIN"
PROJECT_PATH="$PROJECTS_DIR/$PROJECT_NAME"
# if the user sets USER_TARGET_PROJECT, let's ensure the project exists.
if [ -n "$USER_TARGET_PROJECT" ]; then
if ! lxc project list | grep -q "$USER_TARGET_PROJECT"; then
echo "ERROR: the project does not exist! Nothing to update."
exit 1
fi
if [ "$PROJECT_NAME" != "$USER_TARGET_PROJECT" ]; then
echo "INFO: Skipping project '$PROJECT_NAME' since the system owner has used the --project switch."
exit
fi
fi
export PROJECT_NAME="$PROJECT_NAME"
export PROJECT_PATH="$PROJECT_PATH"
. ./project_env.sh
# Check to see if any of the VMs actually don't exist.
# (we only migrate instantiated vms)
for VM in www btcpayserver; do
LXD_NAME="$VM-${DOMAIN_NAME//./-}"
# if the VM doesn't exist, the we emit an error message and hard quit.
if ! lxc list --format csv | grep -q "$LXD_NAME"; then
echo "ERROR: there is no VM named '$LXD_NAME'. You probably need to run ss-deploy again."
exit 1
fi
done
BTCPAY_RESTORE_ARCHIVE_PATH="$SITES_PATH/$PRIMARY_DOMAIN/backups/btcpayserver/$(date +%s).tar.gz"
echo "INFO: The BTCPAY_RESTORE_ARCHIVE_PATH for this migration will be: $BTCPAY_RESTORE_ARCHIVE_PATH"
# first we run ss-deploy --stop
# this grabs a backup of all data (backups are on by default) and saves them to the management machine
# the --stop flag ensures that services do NOT come back online.
# by default, we grab a backup.
# first, let's grab the GIT commit from the remote machine.
export DOMAIN_NAME="$PRIMARY_DOMAIN"
export SITE_PATH="$SITES_PATH/$PRIMARY_DOMAIN"
# source the site path so we know what features it has.
source ../defaults.sh
source "$SITE_PATH/site.conf"
source ./project/domain_env.sh
# now we want to switch the git HEAD of the project subdirectory to the
# version of code that was last used
GIT_COMMIT_ON_REMOTE_HOST="$(ssh ubuntu@$BTCPAY_FQDN cat /home/ubuntu/.ss-githead)"
cd project/
echo "INFO: switch the 'project' repo to commit prior commit '$GIT_COMMIT_ON_REMOTE_HOST'"
echo " This allows Sovereign Stack to can grab a backup using the version of the code"
echo " that was used when the deployment was created."
git checkout "$GIT_COMMIT_ON_REMOTE_HOST"
cd -
# run deploy which backups up everything, but doesnt restart any services.
bash -c "./project/deploy.sh --project=$PROJECT_NAME --stop --no-cert-renew --backup-archive-path=$BTCPAY_RESTORE_ARCHIVE_PATH"
# call the destroy script. If user proceed, then user data is DESTROYED!
bash -c "./destroy.sh --project=$PROJECT_NAME"
cd project/
echo "INFO: switching the 'project' repo back to the most recent commit '$TARGET_PROJECT_GIT_COMMIT'"
echo " That way new deployments will be instantiated using the latest codebase."
git checkout "$TARGET_PROJECT_GIT_COMMIT"
cd -
# Then we can run a restore operation and specify the backup archive at the CLI.
bash -c "./project/deploy.sh --project=$PROJECT_NAME -y --restore-www --restore-btcpay --backup-archive-path=$BTCPAY_RESTORE_ARCHIVE_PATH"
done