def generate(cls, args):
try:
project_name, project_path = cls.validate_project()
if project_name is None:
cls.parser.error(colored("Invalid project.", 'red'))
if args.type == "dag":
path = "{}/{}/dags".format(project_path, project_name)
if args.m is not None:
path = os.path.join(path, args.m)
if not os.path.exists(path):
cls.parser.error(
colored("The specified module does not exists",
'red'))
Utility.generate_dag_template(project_name, args.n, path)
elif args.type == "module":
path = "{}/{}/dags/{}".format(project_path, project_name,
args.n)
test_path = "{}/tests/{}".format(project_path, args.n)
mod_val = subprocess.call(['mkdir', path])
test_val = subprocess.call(['mkdir', test_path])
if mod_val != 0 or test_val != 0:
cls.parser.error(colored("Unable to generate.", 'red'))
print(colored("Generated successfully.", 'green'))
except Exception as e:
raise AfctlParserException(e)
def test_generate_dag_template(self):
project_name = "tes_project"
path = "/tmp"
dag = "test"
Utility.generate_dag_template(project_name, dag, path)
expected_output = """
from airflow import DAG
from datetime import datetime, timedelta
default_args = {
'owner': 'tes_project',
# 'depends_on_past': ,
# 'start_date': ,
# 'email': ,
# 'email_on_failure': ,
# 'email_on_retry': ,
# 'retries': 0
}
dag = DAG(dag_id='test', default_args=default_args, schedule_interval='@once')
"""
current_output = open(os.path.join('/tmp', 'test_dag.py')).read()
expected_output = expected_output.replace(" ", "")
current_output = current_output.replace(" ", "")
assert expected_output == current_output
def generate_project(args, files):
try:
if args.name != '.':
if not os.path.exists(files['main_dir']):
os.mkdir(files['main_dir'])
ParserHelpers.generate_all(files)
else:
print("Directory already exists.")
return True
else:
# Initialising project in existing directory
project_parent_dir = Utility.find_project(os.getcwd())
if project_parent_dir is None:
# Not an afctl project. Generate all directories.
ParserHelpers.generate_all(files)
else:
# Since its an afctl project. Just populate the config files.
ParserHelpers.generate_config_file(files)
if args.v != None:
Utility.update_config(files['project_name'],
{'global': {
'airflow_version': args.v
}})
return False
except Exception as e:
raise AfctlParserException(e)
def add_git_config(files):
try:
origin = subprocess.run([
'git', '--git-dir={}'.format(
os.path.join(files['main_dir'], '.git')), 'config',
'--get', 'remote.origin.url'
],
stdout=subprocess.PIPE)
origin = origin.stdout.decode('utf-8')[:-1]
if origin == '':
subprocess.run(['git', 'init', files['main_dir']])
print(
colored(
"Git origin is not set for this repository. Run 'afctl config global -o <origin>'",
'yellow'))
else:
print("Updating git origin.")
Utility.update_config(files['project_name'],
{'global': {
'git': {
'origin': origin
}
}})
print("Setting origin as : {}".format(origin))
print(
colored(
"Set personal access token for Github. Run 'afctl config global -t <token>'",
'yellow'))
except Exception as e:
raise AfctlParserException(e)
def generate_project_files(files):
try:
sub_file = Utility.create_files([files['main_dir']],
files['sub_files'])
dirs = Utility.create_dirs([files['main_dir']], files['sub_dirs'])
project_dirs = Utility.create_dirs([dirs[files['project_name']]],
files['project_dirs'])
return sub_file, dirs, project_dirs
except Exception as e:
raise AfctlParserException(e)
def list(cls, args):
try:
print(colored("Available {} :".format(args.type), 'green'))
print('\n'.join(map(str, Utility.read_meta()[args.type])))
except Exception as e:
raise AfctlParserException(e)
def get_project_file_names(name):
try:
pwd = os.getcwd()
main_dir = pwd if name == '.' else os.path.join(
pwd,
name.lstrip('/').rstrip('/'))
project_name = os.path.basename(main_dir)
config_dir = Utility.CONSTS['config_dir']
config_file = Utility.project_config(project_name)
sub_files = ['.afctl_project', '.gitignore', 'requirements.txt']
sub_dirs = [
project_name, 'deployments', 'migrations', 'plugins', 'tests'
]
project_dirs = ['dags', 'commons']
return {
'main_dir': main_dir,
'project_name': project_name,
'config_dir': config_dir,
'config_file': config_file,
'sub_files': sub_files,
'sub_dirs': sub_dirs,
'project_dirs': project_dirs
}
except Exception as e:
raise AfctlParserException(e)
def test_create_files(self, clean_tmp_dir):
parent = ['/tmp']
child = ['one', 'two', 'three']
dirs = Utility.create_files(parent, child)
assert dirs['one'] == '/tmp/one'
assert os.path.exists(dirs['one']) is True
assert dirs['two'] == '/tmp/two'
assert os.path.exists(dirs['two']) is True
assert dirs['three'] == '/tmp/three'
assert os.path.exists(dirs['three']) is True
def generate_dirs(cls, main_dir, project_name):
try:
compose_file = docker_compose_template(project_name)
deployment_compose_file = "{}/deployments/{}-docker-compose.yml".format(
main_dir, project_name)
with open(deployment_compose_file, 'w') as file:
file.write(compose_file)
print("Updating docker compose.")
Utility.update_config(
project_name, {
'deployment': {
'local': {
'compose':
"{}/deployments/{}-docker-compose.yml".format(
main_dir, project_name)
}
}
})
except Exception as e:
raise AfctlDeploymentException(e)
def validate_project(cls):
try:
project_name = None
project_path = None
pwd = os.getcwd()
# If any parent of pwd contains .afctl_project. If so then it should be the project.
project = Utility.find_project(pwd)
if project is None:
# Could not find .afctl_project
cls.parser.error(
colored("{} is not an afctl project.".format(pwd), 'red'))
else:
# Check is the dir containing .afctl_project has a config file
project_name = project[0]
project_path = project[1]
if not os.path.exists(Utility.project_config(project_name)):
cls.parser.error(
colored(
"Config file does not exists for {}".format(
project_name), 'red'))
return project_name, project_path
except Exception as e:
raise AfctlParserException(e)
def deploy_project(cls, args, config_file):
try:
if args.n is None:
return True, "-n is required. Check usage."
with open(Utility.project_config(config_file)) as file:
config = yaml.full_load(file)
project = config_file
origin = config['global']['git']['origin']
token = config['global']['git']['access-token']
if origin is None or origin == '':
return True, "Origin is not set for the project. Run 'afctl config global -o <origin>'"
params = QuboleUtils.generate_configs(config, args)
latest_commit_on_remote = QuboleUtils.fetch_latest_commit(
origin, params['branch'])
if token is None or token == '':
print(
"No personal access token found. The repository should be public."
)
if latest_commit_on_remote is None:
return True, "Unable to read latest commit on origin. Please make sure the current branch is present on origin."
print("Latest commit of {} on origin {} found.".format(
params['branch'], origin))
print("Deploying commit : {} on Qubole".format(
latest_commit_on_remote))
if token is not None and token != "":
origin = QuboleUtils.create_private_repo_url(origin, token)
qds_command = QuboleUtils.get_shell_command(
project, origin, params['branch'], latest_commit_on_remote)
command = QuboleUtils.run_qds_command(params['env'],
params['cluster'],
params['token'], qds_command)
if command.status != 'done':
return True, "Deployment failed on Qubole"
return False, ""
except Exception as e:
raise AfctlDeploymentException(e)
def test_add_and_update_configs(self, create_config_file):
add_config = {'name': {'key1': 'val1', 'key2': 'val2'}}
Utility.add_configs(['parent', 'child1'], PROJECT_NAME, add_config)
config_file = os.path.join(PROJECT_CONFIG_DIR, PROJECT_NAME) + '.yml'
expected_output = """parent:
child1:
name:
key1: val1
key2: val2
child2: null
"""
current_output = open(config_file).read()
expected_output = expected_output.replace(" ", "")
current_output = current_output.replace(" ", "")
assert expected_output == current_output
add_config = {'name': {'key3': 'val3', 'key4': 'val4'}}
Utility.add_configs(['parent', 'child2'], PROJECT_NAME, add_config)
expected_output = """parent:
child1:
name:
key1: val1
key2: val2
child2:
name:
key3: val3
key4: val4
"""
current_output = open(config_file).read()
expected_output = expected_output.replace(" ", "")
current_output = current_output.replace(" ", "")
assert expected_output == current_output
update_config = {'parent': {'child2': {'name': {'key3': 'val100'}}}}
Utility.update_config(PROJECT_NAME, update_config)
expected_output = """parent:
child1:
name:
key1: val1
key2: val2
child2:
name:
key3: val100
key4: val4
"""
current_output = open(config_file).read()
expected_output = expected_output.replace(" ", "")
current_output = current_output.replace(" ", "")
assert expected_output == current_output
def deploy_project(cls, args, config_file):
try:
print("Deploying afctl project to local")
with open(Utility.project_config(config_file)) as file:
config = yaml.full_load(file)
val = subprocess.call(['docker', 'info'])
if val != 0:
return True, "Docker is not running. Please start docker."
if args.d:
os.system("docker-compose -f {} up -d".format(
config['deployment']['local']['compose']))
else:
os.system("docker-compose -f {} up ".format(
config['deployment']['local']['compose']))
return False, ""
except Exception as e:
raise AfctlDeploymentException(e)
def get_subparsers(cls):
subparsers = ({
'func':
cls.init,
'parser':
'init',
'help':
'Create a new Airflow project.',
'args': [['name', {
'help': 'Name of your airflow project'
}], ['-v', {
'help': 'Airflow version for your project'
}]]
}, {
'func':
cls.list,
'parser':
'list',
'help':
'Get list of operators, sensors, connectors and hooks.',
'args': [[
'type', {
'choices': ['operators', 'sensors', 'deployment', 'hooks'],
'help': 'Choose from the options.'
}
]]
}, {
'func':
cls.config,
'parser':
'config',
'help':
'Setup configs for your project. Read documentation for argument types.\n'
+ 'TYPES:\n' + ' add - add a config for your deployment.\n' +
' update - update an existing config for your deployment.\n' +
' Arguments:\n' + ' -d : Deployment Type\n' +
' -p : Project\n' + DeploymentConfig.CONFIG_DETAILS +
' global\n' + ' Arguments:\n' +
' -p : Project\n' +
' -o : Set git origin for deployment\n' +
' -t : Set personal access token\n' +
' show - Show the config file on console\n' +
' No arguments.',
'args':
[['type', {
'choices': ['add', 'update', 'show', 'global']
}], ['-d', {
'choices': ['qubole']
}], ['-o'], ['-p'], ['-n'], ['-e'], ['-c'], ['-t'], ['-v']]
}, {
'func':
cls.deploy,
'parser':
'deploy',
'help':
'Deploy your afctl project on the preferred platform.\n' +
'TYPES:\n' + DeploymentConfig.DEPLOY_DETAILS,
'args': [['type', {
'choices': Utility.read_meta()['deployment']
}], ['-d', {
'action': 'store_true'
}], ['-n']]
}, {
'func':
cls.generate,
'parser':
'generate',
'help':
'Generators\n' + '-n : Name of the dag file or the module\n' +
'-m : Name of module where you want to generate a dag file\n',
'args': [['type', {
'choices': ['dag', 'module']
}], ['-n', {
'required': 'True'
}], ['-m']]
})
return subparsers
def test_return_project_config_file(self):
project = "test_project"
expected_path = os.path.join(PROJECT_CONFIG_DIR, project) + ".yml"
path = Utility.project_config(project)
assert path == expected_path
def test_find_project(self, create_project):
path = '/tmp/one/two/three'
project = Utility.find_project(path)
assert project[0] == 'two'
assert project[1] == '/tmp/one/two'
def act_on_configs(cls, args, project_name):
try:
# Setting global values.
if args.type == "global":
origin = args.o
token = args.t
version = args.v
if args.o is None and args.t is None and args.v is None:
origin = input("Git origin for deployment : ")
token = input("Personal access token : ")
version = input("Input airflow version : ")
if origin != '' and origin is not None:
Utility.update_config(
project_name, {'global': {
'git': {
'origin': origin
}
}})
if token != '' and token is not None:
Utility.update_config(
project_name,
{'global': {
'git': {
'access-token': token
}
}})
if version != '' and version is not None:
Utility.update_config(
project_name, {'global': {
'airflow_version': version
}})
# If adding or updating configs.
elif args.type == 'add' or args.type == 'update':
if args.d is None:
cls.parser.error(
colored(
"-d argument is required. Check usage. Run 'afctl config -h'",
'red'))
# Sanitize values.
configs, flag, msg = DeploymentConfig.validate_configs(args)
if flag:
cls.parser.error(colored(msg, 'red'))
else:
if args.type == 'update':
Utility.update_config(project_name, configs)
if args.type == 'add':
Utility.add_configs(['deployment', args.d],
project_name, configs)
# Showing configs
elif args.type == 'show':
Utility.print_file(Utility.project_config(project_name))
except Exception as e:
AfctlParserException(e)
