zulip/scripts/setup/postgres-init-db

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#!/usr/bin/env bash
set -e
if [ "$EUID" -ne 0 ]; then
echo "Error: This script must be run as root" >&2
exit 1
fi
set -x
# What user should we use for connecting to the database
POSTGRES_USER="${POSTGRES_USER:-postgres}"
# This psql command may fail because the zulip database doesnt exist,
# hence the &&.
if records="$(
cd / # Make sure the current working directory is readable by postgres
su "$POSTGRES_USER" -c "psql -v ON_ERROR_STOP=1 -Atc 'SELECT COUNT(*) FROM zulip.zerver_message;' zulip"
)" && [ "$records" -gt 200 ]; then
set +x
echo "WARNING: This will delete your Zulip database which currently contains $records messages."
read -p "Do you want to proceed? [y/N] " -r
echo
if [[ ! $REPLY =~ ^[Yy]$ ]]
then
exit 1
fi
set -x
fi
# Shut down all services to ensure a quiescent state.
if [ -e "/var/run/supervisor.sock" ]; then
supervisorctl stop all
fi
# Drop any open connections to any old database.
"$(dirname "$0")/terminate-psql-sessions" postgres zulip zulip_base
(
cd / # Make sure the current working directory is readable by postgres
su "$POSTGRES_USER" -c 'psql -v ON_ERROR_STOP=1 -e'
) < "$(dirname "$0")/create-db.sql"
# Clear memcached to avoid contamination from previous database state
"$(dirname "$0")/flush-memcached"
echo "Database created"