#! /bin/sh

script_dir=$(dirname "$(readlink -f "$BASH_SOURCE")")

cd $script_dir/../../backend

# Check Django default db connectivity.

# Use Python for cross-platform compatibility.

python3 << EOF

import os

import socket

import sys

import dotenv

dotenv.load_dotenv()

def _check_connectivity(host, port):

with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:

s.settimeout(2)

errno = s.connect_ex((host, port))

return errno

db_host = os.getenv("DB_HOST", "localhost")

db_port = int(os.getenv("DB_PORT", 5432))

errno = _check_connectivity(db_host, db_port)

if errno == 0:

print("Django default db ok:", os.strerror(errno))

sys.exit(0)

else:

print("Django default db error:", os.strerror(errno))

sys.exit(1)

EOF

if [ $? -ne 0 ]; then

echo ""

echo "Verify DB_HOST, DB_PORT settings for backend Django default db."

echo "If db is running in a container, add DB_HOST value to /etc/hosts."

echo ""

exit 1

fi

# Check Django migrations.

python3 manage.py makemigrations --check --dry-run --no-input

# ! IMPORTANT !

# Above command does not return error exit code

# on network error when connecting to db.

exit 0