def _make_venv(venv, python, force):
"""Handles the virtualenv.
removes the virtualenv if required, else, notifies
that it already exists. If it doesn't exist, it will be
created.
:param string venv: path of virtualenv to install in.
:param string python: python binary path to use.
:param bool force: whether to force creation or not if it
already exists.
"""
if utils.is_virtualenv(venv):
if force:
lgr.info('Installing within existing virtualenv: {0}'.format(venv))
else:
lgr.error('Virtualenv already exists at {0}. '
'You can use the -f flag to install within the '
'existing virtualenv.'.format(venv))
sys.exit(codes.errors['virtualenv_already_exists'])
else:
lgr.debug('Creating virtualenv: {0}'.format(venv))
utils.make_virtualenv(venv, python)
def _make_venv(venv, python, force):
"""Handles the virtualenv.
removes the virtualenv if required, else, notifies
that it already exists. If it doesn't exist, it will be
created.
:param string venv: path of virtualenv to install in.
:param string python: python binary path to use.
:param bool force: whether to force creation or not if it
already exists.
"""
if utils.is_virtualenv(venv):
if force:
lgr.info('Installing within existing virtualenv: {0}'.format(venv))
else:
lgr.error('Virtualenv already exists at {0}. '
'You can use the -f flag to install within the '
'existing virtualenv.'.format(venv))
sys.exit(codes.errors['virtualenv_already_exists'])
else:
lgr.debug('Creating virtualenv: {0}'.format(venv))
utils.make_virtualenv(venv, python)
def create(config=None, config_file=None, force=False, dryrun=False,
no_validate=False, verbose=True):
"""Creates an agent package (tar.gz)
This will try to identify the distribution of the host you're running on.
If it can't identify it for some reason, you'll have to supply a
`distribution` (e.g. Ubuntu) config object in the config.yaml.
The same goes for the `release` (e.g. Trusty).
A virtualenv will be created under cloudify/env.
The order of the modules' installation is as follows:
cloudify-rest-service
cloudify-plugins-common
cloudify-script-plugin
cloudify-diamond-plugin
cloudify-agent
any additional modules specified under `additional_modules` in the yaml.
any additional plugins specified under `additional_plugins` in the yaml.
Once all modules are installed, excluded modules will be uninstalled;
installation validation will occur; a tar.gz file will be created.
The `output_tar` config object can be specified to determine the path to
the output file. If omitted, a default path will be given with the
format `DISTRIBUTION-RELEASE-agent.tar.gz`.
"""
set_global_verbosity_level(verbose)
# this will be updated with installed plugins and modules and used
# to validate the installation
final_set = {'modules': [], 'plugins': []}
if not config:
config = _import_config(config_file) if config_file else \
_import_config()
config = {} if not config else config
name_params = {}
try:
(distro, release) = get_os_props()
name_params['distro'] = config.get('distribution', distro)
name_params['release'] = config.get('release', release)
name_params['version'] = config.get(
'version', os.environ.get('VERSION', None))
name_params['milestone'] = config.get(
'milestone', os.environ.get('PRERELEASE', None))
name_params['build'] = config.get(
'build', os.environ.get('BUILD', None))
except Exception as ex:
lgr.error(
'Distribution not found in configuration '
'and could not be retrieved automatically. '
'please specify the distribution in the yaml. '
'({0})'.format(ex.message))
sys.exit(codes.errors['could_not_identify_distribution'])
python = config.get('python_path', '/usr/bin/python')
venv = DEFAULT_VENV_PATH
venv_already_exists = utils.is_virtualenv(venv)
destination_tar = config.get('output_tar', _name_archive(**name_params))
lgr.debug('Distibution is: {0}'.format(name_params['distro']))
lgr.debug('Distribution release is: {0}'.format(name_params['release']))
lgr.debug('Python path is: {0}'.format(python))
lgr.debug('Destination tarfile is: {0}'.format(destination_tar))
if not dryrun:
_make_venv(venv, python, force)
_handle_output_file(destination_tar, force)
modules = _set_defaults()
modules = _merge_modules(modules, config)
if dryrun:
set_global_verbosity_level(True)
lgr.debug('Modules and plugins to install: {0}'.format(json.dumps(
modules, sort_keys=True, indent=4, separators=(',', ': '))))
if dryrun:
lgr.info('Dryrun complete')
sys.exit(codes.notifications['dryrun_complete'])
final_set = _install(modules, venv, final_set)
_uninstall_excluded(modules, venv)
if not no_validate:
_validate(final_set, venv)
utils.tar(venv, destination_tar)
lgr.info('The following modules and plugins were installed '
'in the agent:\n{0}'.format(utils.get_installed(venv)))
# if keep_virtualenv is explicitly specified to be false, the virtualenv
# will not be deleted.
# if keep_virtualenv is not in the config but the virtualenv already
# existed, it will not be deleted.
if ('keep_virtualenv' in config and not config['keep_virtualenv']) \
or ('keep_virtualenv' not in config and not venv_already_exists):
lgr.info('Removing origin virtualenv...')
shutil.rmtree(venv)
# duh!
lgr.info('Process complete!')
def create(config=None,
config_file=None,
force=False,
dryrun=False,
no_validate=False,
verbose=True):
"""Creates an agent package (tar.gz)
This will try to identify the distribution of the host you're running on.
If it can't identify it for some reason, you'll have to supply a
`distribution` (e.g. Ubuntu) config object in the config.yaml.
The same goes for the `release` (e.g. Trusty).
A virtualenv will be created under cloudify/env.
The order of the modules' installation is as follows:
cloudify-rest-service
cloudify-plugins-common
cloudify-script-plugin
cloudify-diamond-plugin
cloudify-agent
any additional modules specified under `additional_modules` in the yaml.
any additional plugins specified under `additional_plugins` in the yaml.
Once all modules are installed, excluded modules will be uninstalled;
installation validation will occur; a tar.gz file will be created.
The `output_tar` config object can be specified to determine the path to
the output file. If omitted, a default path will be given with the
format `DISTRIBUTION-RELEASE-agent.tar.gz`.
"""
set_global_verbosity_level(verbose)
# this will be updated with installed plugins and modules and used
# to validate the installation
final_set = {'modules': [], 'plugins': []}
if not config:
config = _import_config(config_file) if config_file else \
_import_config()
config = {} if not config else config
name_params = {}
try:
(distro, release) = get_os_props()
name_params['distro'] = config.get('distribution', distro)
name_params['release'] = config.get('release', release)
name_params['version'] = config.get('version',
os.environ.get('VERSION', None))
name_params['milestone'] = config.get(
'milestone', os.environ.get('PRERELEASE', None))
name_params['build'] = config.get('build',
os.environ.get('BUILD', None))
except Exception as ex:
lgr.error('Distribution not found in configuration '
'and could not be retrieved automatically. '
'please specify the distribution in the yaml. '
'({0})'.format(ex.message))
sys.exit(codes.errors['could_not_identify_distribution'])
python = config.get('python_path', '/usr/bin/python')
venv = DEFAULT_VENV_PATH
venv_already_exists = utils.is_virtualenv(venv)
destination_tar = config.get('output_tar', _name_archive(**name_params))
lgr.debug('Distibution is: {0}'.format(name_params['distro']))
lgr.debug('Distribution release is: {0}'.format(name_params['release']))
lgr.debug('Python path is: {0}'.format(python))
lgr.debug('Destination tarfile is: {0}'.format(destination_tar))
if not dryrun:
_make_venv(venv, python, force)
_handle_output_file(destination_tar, force)
modules = _set_defaults()
modules = _merge_modules(modules, config)
if dryrun:
set_global_verbosity_level(True)
lgr.debug('Modules and plugins to install: {0}'.format(
json.dumps(modules, sort_keys=True, indent=4, separators=(',', ': '))))
if dryrun:
lgr.info('Dryrun complete')
sys.exit(codes.notifications['dryrun_complete'])
final_set = _install(modules, venv, final_set)
_uninstall_excluded(modules, venv)
if not no_validate:
_validate(final_set, venv)
utils.tar(venv, destination_tar)
lgr.info('The following modules and plugins were installed '
'in the agent:\n{0}'.format(utils.get_installed(venv)))
# if keep_virtualenv is explicitly specified to be false, the virtualenv
# will not be deleted.
# if keep_virtualenv is not in the config but the virtualenv already
# existed, it will not be deleted.
if ('keep_virtualenv' in config and not config['keep_virtualenv']) \
or ('keep_virtualenv' not in config and not venv_already_exists):
lgr.info('Removing origin virtualenv...')
shutil.rmtree(venv)
# duh!
lgr.info('Process complete!')