def create_postgresql_user_and_db(mode):
"""
Generates the commands needed to create the database and its owner.
Args:
mode(str): Must be either 'dev' or 'prod', or the program will exit.
Returns(str): The command to be executed.
"""
chosen_config = check_mode(mode)
pretty_print("\nCreating postgresql user and database ...")
command = (
"sudo -u postgres psql -c \\\"DROP DATABASE IF EXISTS " +
chosen_config.DB_NAME + ";\\\" &&"
"sudo -u postgres psql -c \\\"DROP ROLE IF EXISTS " +
chosen_config.DB_USER + ";\\\" &&"
"sudo -u postgres psql -c \\\"CREATE USER " +
chosen_config.DB_USER + " WITH PASSWORD '" +
chosen_config.DB_PASSWORD + "';\\\" &&"
"sudo -u postgres psql -c \\\"CREATE DATABASE " +
chosen_config.DB_NAME + " OWNER " +
chosen_config.DB_USER + ";\\\" &&"
"sudo -u postgres psql -c \\\"ALTER USER " +
chosen_config.DB_USER + " CREATEDB;\\\""
)
return command
def create_virtualenv(mode):
"""
Generates the commands needed to create the virtual environment.
Args:
mode(str): Must be either 'dev' or 'prod', or the program will exit.
Returns(str): The command to be executed.
"""
chosen_config = check_mode(mode)
pretty_print("\nCreating virtualenv ...")
command = (
"virtualenv --no-site-packages -p /usr/bin/python3.4 " +
chosen_config.VIRTUALENV_DIR
)
return command
def update_project(mode):
"""
Generates the commands needed to update the project from github.
Args:
mode(str): Must be either 'dev' or 'prod', or the program will exit.
Returns(str): The command to be executed.
"""
chosen_config = check_mode(mode)
pretty_print("\nUpdating the project ...")
command = (
"cd " + chosen_config.PROJECT_DIR + "\n"
"git pull origin master"
)
return command
def download_project(mode):
"""
Generates the commands needed to download the project from github.
Args:
mode(str): Must be either 'dev' or 'prod', or the program will exit.
Returns(str): The command to be executed.
"""
chosen_config = check_mode(mode)
pretty_print("\nDownloading the project ...")
project_parent_dir = os.path.split(chosen_config.PROJECT_DIR)[0]
command = (
"mkdir -p " + project_parent_dir + "\n"
"cd " + project_parent_dir + "\n"
"git clone " + chosen_config.PROJECT_REPO_URL
)
return command
def clean_test_data(mode):
"""
Cleans application test data.
Args:
mode(str): Must be either 'dev' or 'prod', or the program will exit.
Returns(str): The command to be executed.
"""
chosen_config = check_mode(mode)
pretty_print("\nCleaning test data ...")
command = (
"deactivate 2> /dev/null\n"
"source " + chosen_config.VIRTUALENV_DIR +
"/bin/activate 2> /dev/null\n"
"cd " + chosen_config.PROJECT_DIR + "/src\n"
"python manage.py shell < ../devops/test_data/clean_test_data.py"
)
return command
def migrate(mode):
"""
Generates the commands needed to migrate the database.
Args:
mode(str): Must be either 'dev' or 'prod', or the program will exit.
Returns(str): The command to be executed.
"""
chosen_config = check_mode(mode)
pretty_print("\nMigrating database ...")
command = (
"deactivate 2> /dev/null\n"
"source " + chosen_config.VIRTUALENV_DIR +
"/bin/activate 2> /dev/null\n"
"python " + chosen_config.PROJECT_DIR +
"/src/manage.py migrate"
)
return command
def export_project_keys(mode):
"""
Generates the commands needed to export the project keys as env vars.
Args:
mode(str): Must be either 'dev' or 'prod', or the program will exit.
Returns(str): The command to be executed.
"""
chosen_config = check_mode(mode)
pretty_print("\nExporting project keys ...")
command = ""
for key, value in chosen_config.__dict__.items():
if not key.startswith("__"):
command += \
"echo 'export " + key + "=" + value + "'" \
" | sudo tee --append " + chosen_config.VIRTUALENV_DIR + \
"/bin/activate\n"
return command
def create_app_group_and_user(mode):
"""
Generates the commands needed to create the group and user for the app.
Args:
mode(str): Must be either 'dev' or 'prod', or the program will exit.
Returns(str): The command to be executed.
"""
chosen_config = check_mode(mode)
pretty_print("\nCreating app group and user ...")
command = (
"id -g " + chosen_config.APP_GROUP +
" || sudo groupadd --system " + chosen_config.APP_GROUP + "\n"
"id -u " + chosen_config.APP_USER +
" || sudo useradd --system --gid " + chosen_config.APP_GROUP +
" --shell /bin/bash --home " + chosen_config.PROJECT_DIR + " " +
chosen_config.APP_USER
)
return command
def install_python_requirements(mode):
"""
Generates the commands needed to install python requirements.
Args:
mode(str): Must be either 'dev' or 'prod', or the program will exit.
Returns(str): The command to be executed.
"""
chosen_config = check_mode(mode)
filename = ""
if mode == "dev":
filename = "development.txt"
elif mode == "prod":
filename = "production.txt"
pretty_print("\nInstalling python requirements ...")
command = (
"deactivate 2> /dev/null\n"
"source " + chosen_config.VIRTUALENV_DIR +
"/bin/activate 2> /dev/null\n"
"cd " + chosen_config.PROJECT_DIR + "/requirements\n"
"pip install -r " + filename
)
return command
