from __future__ import print_function
from six.moves import input
from pyhocon import ConfigFactory, ConfigMissingException
from pathlib2 import Path
from six.moves.urllib.parse import urlparse
from trains_agent.backend_api.session import Session
from trains_agent.backend_api.session.defs import ENV_HOST
from trains_agent.backend_config.defs import LOCAL_CONFIG_FILES
description = """
Please create new trains credentials through the profile page in your trains web app (e.g. https://demoapp.trains.allegro.ai/profile)
In the profile page, press "Create new credentials", then press "Copy to clipboard".
Paste copied configuration here:
"""
def_host = 'http://localhost:8080'
try:
def_host = ENV_HOST.get(default=def_host) or def_host
except Exception:
pass
host_description = """
Editing configuration file: {CONFIG_FILE}
Enter the url of the trains-server's Web service, for example: {HOST}
""".format(
CONFIG_FILE=LOCAL_CONFIG_FILES[0],
HOST=def_host,
)
def main():
print('TRAINS-AGENT setup process')
conf_file = Path(LOCAL_CONFIG_FILES[0]).absolute()
if conf_file.exists() and conf_file.is_file() and conf_file.stat().st_size > 0:
print('Configuration file already exists: {}'.format(str(conf_file)))
print('Leaving setup, feel free to edit the configuration file.')
return
print(description, end='')
sentinel = ''
parse_input = '\n'.join(iter(input, sentinel))
credentials = None
api_host = None
web_server = None
# noinspection PyBroadException
try:
parsed = ConfigFactory.parse_string(parse_input)
if parsed:
# Take the credentials in raw form or from api section
credentials = get_parsed_field(parsed, ["credentials"])
api_host = get_parsed_field(parsed, ["api_server", "host"])
web_server = get_parsed_field(parsed, ["web_server"])
except Exception:
credentials = credentials or None
api_host = api_host or None
web_server = web_server or None
while not credentials or set(credentials) != {"access_key", "secret_key"}:
print('Could not parse credentials, please try entering them manually.')
credentials = read_manual_credentials()
print('Detected credentials key=\"{}\" secret=\"{}\"'.format(credentials['access_key'],
credentials['secret_key'][0:4] + "***"))
if api_host:
api_host = input_url('API Host', api_host)
else:
print(host_description)
api_host = input_url('API Host', '')
parsed_host = verify_url(api_host)
if parsed_host.netloc.startswith('demoapp.'):
# this is our demo server
api_host = parsed_host.scheme + "://" + parsed_host.netloc.replace('demoapp.', 'demoapi.', 1) + parsed_host.path
web_host = parsed_host.scheme + "://" + parsed_host.netloc + parsed_host.path
files_host = parsed_host.scheme + "://" + parsed_host.netloc.replace('demoapp.', 'demofiles.', 1) + parsed_host.path
elif parsed_host.netloc.startswith('app.'):
# this is our application server
api_host = parsed_host.scheme + "://" + parsed_host.netloc.replace('app.', 'api.', 1) + parsed_host.path
web_host = parsed_host.scheme + "://" + parsed_host.netloc + parsed_host.path
files_host = parsed_host.scheme + "://" + parsed_host.netloc.replace('app.', 'files.', 1) + parsed_host.path
elif parsed_host.netloc.startswith('demoapi.'):
print('{} is the api server, we need the web server. Replacing \'demoapi.\' with \'demoapp.\''.format(
parsed_host.netloc))
api_host = parsed_host.scheme + "://" + parsed_host.netloc + parsed_host.path
web_host = parsed_host.scheme + "://" + parsed_host.netloc.replace('demoapi.', 'demoapp.', 1) + parsed_host.path
files_host = parsed_host.scheme + "://" + parsed_host.netloc.replace('demoapi.', 'demofiles.', 1) + parsed_host.path
elif parsed_host.netloc.startswith('api.'):
print('{} is the api server, we need the web server. Replacing \'api.\' with \'app.\''.format(
parsed_host.netloc))
api_host = parsed_host.scheme + "://" + parsed_host.netloc + parsed_host.path
web_host = parsed_host.scheme + "://" + parsed_host.netloc.replace('api.', 'app.', 1) + parsed_host.path
files_host = parsed_host.scheme + "://" + parsed_host.netloc.replace('api.', 'files.', 1) + parsed_host.path
elif parsed_host.port == 8008:
print('Port 8008 is the api port. Replacing 8080 with 8008 for Web application')
api_host = parsed_host.scheme + "://" + parsed_host.netloc + parsed_host.path
web_host = parsed_host.scheme + "://" + parsed_host.netloc.replace(':8008', ':8080', 1) + parsed_host.path
files_host = parsed_host.scheme + "://" + parsed_host.netloc.replace(':8008', ':8081', 1) + parsed_host.path
elif parsed_host.port == 8080:
api_host = parsed_host.scheme + "://" + parsed_host.netloc.replace(':8080', ':8008', 1) + parsed_host.path
web_host = parsed_host.scheme + "://" + parsed_host.netloc + parsed_host.path
files_host = parsed_host.scheme + "://" + parsed_host.netloc.replace(':8080', ':8081', 1) + parsed_host.path
else:
api_host = ''
web_host = ''
files_host = ''
if not parsed_host.port:
print('Host port not detected, do you wish to use the default 8080 port n/[y]? ', end='')
replace_port = input().lower()
if not replace_port or replace_port == 'y' or replace_port == 'yes':
api_host = parsed_host.scheme + "://" + parsed_host.netloc + ':8008' + parsed_host.path
web_host = parsed_host.scheme + "://" + parsed_host.netloc + ':8080' + parsed_host.path
files_host = parsed_host.scheme + "://" + parsed_host.netloc + ':8081' + parsed_host.path
elif not replace_port or replace_port.lower() == 'n' or replace_port.lower() == 'no':
web_host = input_host_port("Web", parsed_host)
api_host = input_host_port("API", parsed_host)
files_host = input_host_port("Files", parsed_host)
if not api_host:
api_host = parsed_host.scheme + "://" + parsed_host.netloc + parsed_host.path
web_host = input_url('Web Application Host', web_server if web_server else web_host)
files_host = input_url('File Store Host', files_host)
print('\nTRAINS Hosts configuration:\nWeb App: {}\nAPI: {}\nFile Store: {}\n'.format(
web_host, api_host, files_host))
retry = 1
max_retries = 2
while retry <= max_retries: # Up to 2 tries by the user
if verify_credentials(api_host, credentials):
break
retry += 1
if retry < max_retries + 1:
credentials = read_manual_credentials()
else:
print('Exiting setup without creating configuration file')
return
# get GIT User/Pass for cloning
print('Enter git username for repository cloning (leave blank for SSH key authentication): [] ', end='')
git_user = input()
if git_user.strip():
print('Enter password for user \'{}\': '.format(git_user), end='')
git_pass = input()
print('Git repository cloning will be using user={} password={}'.format(git_user, git_pass))
else:
git_user = None
git_pass = None
# get extra-index-url for pip installations
extra_index_urls = []
print('\nEnter additional artifact repository (extra-index-url) to use when installing python packages '
'(leave blank if not required):', end='')
index_url = input().strip()
while index_url:
extra_index_urls.append(index_url)
print('Another artifact repository? (enter another url or leave blank if done):', end='')
index_url = input().strip()
if len(extra_index_urls):
print("The following artifact repositories will be added:\n\t- {}".format("\n\t- ".join(extra_index_urls)))
# noinspection PyBroadException
try:
conf_folder = Path(__file__).parent.absolute() / '..' / 'backend_api' / 'config' / 'default'
default_conf = ''
for conf in ('agent.conf', 'sdk.conf', ):
conf_file_section = conf_folder / conf
with open(str(conf_file_section), 'rt') as f:
default_conf += conf.split('.')[0] + ' '
default_conf += f.read()
default_conf += '\n'
except Exception:
print('Error! Could not read default configuration file')
return
# noinspection PyBroadException
try:
with open(str(conf_file), 'wt') as f:
header = '# TRAINS-AGENT configuration file\n' \
'api {\n' \
' api_server: %s\n' \
' web_server: %s\n' \
' files_server: %s\n' \
' # Credentials are generated using the webapp, %s/profile\n' \
' # Override with os environment: TRAINS_API_ACCESS_KEY / TRAINS_API_SECRET_KEY\n' \
' credentials {"access_key": "%s", "secret_key": "%s"}\n' \
'}\n\n' % (api_host, web_host, files_host,
web_host, credentials['access_key'], credentials['secret_key'])
f.write(header)
git_credentials = '# Set GIT user/pass credentials\n' \
'# leave blank for GIT SSH credentials\n' \
'agent.git_user=\"{}\"\n' \
'agent.git_pass=\"{}\"\n' \
'\n'.format(git_user or '', git_pass or '')
f.write(git_credentials)
extra_index_str = '# extra_index_url: ["https://allegroai.jfrog.io/trainsai/api/pypi/public/simple"]\n' \
'agent.package_manager.extra_index_url= ' \
'[\n{}\n]\n\n'.format("\n".join(map("\"{}\"".format, extra_index_urls)))
f.write(extra_index_str)
f.write(default_conf)
except Exception:
print('Error! Could not write configuration file at: {}'.format(str(conf_file)))
return
print('\nNew configuration stored in {}'.format(str(conf_file)))
print('TRAINS-AGENT setup completed successfully.')
def verify_credentials(api_host, credentials):
"""check if the credentials are valid"""
# noinspection PyBroadException
try:
print('Verifying credentials ...')
if api_host:
Session(api_key=credentials['access_key'], secret_key=credentials['secret_key'], host=api_host)
print('Credentials verified!')
return True
else:
print("Can't verify credentials")
return False
except Exception:
print('Error: could not verify credentials: key={} secret={}'.format(
credentials.get('access_key'), credentials.get('secret_key')))
return False
def get_parsed_field(parsed_config, fields):
"""
Parsed the value from web profile page, 'copy to clipboard' option
:param parsed_config: The parsed value from the web ui
:type parsed_config: Config object
:param fields: list of values to parse, will parse by the list order
:type fields: List[str]
:return: parsed value if found, None else
"""
try:
return parsed_config.get("api").get(fields[0])
except ConfigMissingException: # fallback - try to parse the field like it was in web older version
if len(fields) == 1:
return parsed_config.get(fields[0])
elif len(fields) == 2:
return parsed_config.get(fields[1])
else:
return None
def read_manual_credentials():
print('Enter user access key: ', end='')
access_key = input()
print('Enter user secret: ', end='')
secret_key = input()
return {"access_key": access_key, "secret_key": secret_key}
def input_url(host_type, host=None):
while True:
print('{} configured to: [{}] '.format(host_type, host), end='')
parse_input = input()
if host and (not parse_input or parse_input.lower() == 'yes' or parse_input.lower() == 'y'):
break
parsed_host = verify_url(parse_input) if parse_input else None
if parse_input and parsed_host:
host = parsed_host.scheme + "://" + parsed_host.netloc + parsed_host.path
break
return host
def input_host_port(host_type, parsed_host):
print('Enter port for {} host '.format(host_type), end='')
replace_port = input().lower()
return parsed_host.scheme + "://" + parsed_host.netloc + (':{}'.format(replace_port) if replace_port else '') + \
parsed_host.path
def verify_url(parse_input):
try:
if not parse_input.startswith('http://') and not parse_input.startswith('https://'):
# if we have a specific port, use http prefix, otherwise assume https
if ':' in parse_input:
parse_input = 'http://' + parse_input
else:
parse_input = 'https://' + parse_input
parsed_host = urlparse(parse_input)
if parsed_host.scheme not in ('http', 'https'):
parsed_host = None
except Exception:
parsed_host = None
print('Could not parse url {}\nEnter your trains-server host: '.format(parse_input), end='')
return parsed_host
if __name__ == '__main__':
main()