dex/storage/sql/standup.sh

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#!/bin/bash
if [ "$EUID" -ne 0 ]
then echo "Please run as root"
exit
fi
function usage {
cat << EOF >> /dev/stderr
Usage: sudo ./standup.sh [create|destroy] [postgres|mysql|cockroach]
This is a script for standing up test databases. It uses systemd to daemonize
rkt containers running on a local loopback IP.
The general workflow is to create a daemonized container, use the output to set
the test environment variables, run the tests, then destroy the container.
sudo ./standup.sh create postgres
# Copy environment variables and run tests.
go test -v -i # always install test dependencies
go test -v
sudo ./standup.sh destroy postgres
EOF
exit 2
}
function main {
if [ "$#" -ne 2 ]; then
usage
exit 2
fi
case "$1" in
"create")
case "$2" in
"postgres")
create_postgres;;
"mysql")
create_mysql;;
*)
usage
exit 2
;;
esac
;;
"destroy")
case "$2" in
"postgres")
destroy_postgres;;
"mysql")
destroy_mysql;;
*)
usage
exit 2
;;
esac
;;
*)
usage
exit 2
;;
esac
}
function wait_for_file {
while [ ! -f $1 ]; do
sleep 1
done
}
function wait_for_container {
while [ -z "$( rkt list --full | grep $1 )" ]; do
sleep 1
done
}
function create_postgres {
UUID_FILE=/tmp/dex-postgres-uuid
if [ -f $UUID_FILE ]; then
echo "postgres database already exists, try ./standup.sh destroy postgres"
exit 2
fi
echo "Starting postgres. To view progress run:"
echo ""
echo " journalctl -fu dex-postgres"
echo ""
systemd-run --unit=dex-postgres \
rkt run --uuid-file-save=$UUID_FILE --insecure-options=image docker://postgres:9.6
wait_for_file $UUID_FILE
UUID=$( cat $UUID_FILE )
wait_for_container $UUID
HOST=$( rkt list --full | grep "$UUID" | awk '{ print $NF }' | sed -e 's/default:ip4=//g' )
echo "To run tests export the following environment variables:"
echo ""
echo " export DEX_POSTGRES_DATABASE=postgres; export DEX_POSTGRES_USER=postgres; export DEX_POSTGRES_PASSWORD=postgres; export DEX_POSTGRES_HOST=$HOST:5432"
echo ""
}
function destroy_postgres {
UUID_FILE=/tmp/dex-postgres-uuid
systemctl stop dex-postgres
rkt rm --uuid-file=$UUID_FILE
rm $UUID_FILE
}
main $@