- `apiclient.discovery.build`. If the `discoveryServiceUrl` or `http`
- keyword arguments are missing, this function will set default values for
- them, based on the current Arvados configuration settings."""
- if not cache or not services.get(version):
- if not version:
- version = 'v1'
- _logger.info("Using default API version. " +
- "Call arvados.api('%s') instead.",
- version)
-
- if 'discoveryServiceUrl' not in kwargs:
- api_host = config.get('ARVADOS_API_HOST')
- if not api_host:
- raise ValueError(
- "No discoveryServiceUrl or ARVADOS_API_HOST set.")
- kwargs['discoveryServiceUrl'] = (
- 'https://%s/discovery/v1/apis/{api}/{apiVersion}/rest' %
- (api_host,))
-
- if 'http' not in kwargs:
- http_kwargs = {}
- # Prefer system's CA certificates (if available) over httplib2's.
- certs_path = '/etc/ssl/certs/ca-certificates.crt'
- if os.path.exists(certs_path):
- http_kwargs['ca_certs'] = certs_path
- if cache:
- http_kwargs['cache'] = http_cache('discovery')
- if (config.get('ARVADOS_API_HOST_INSECURE', '').lower() in
- ('yes', 'true', '1')):
- http_kwargs['disable_ssl_certificate_validation'] = True
- kwargs['http'] = httplib2.Http(**http_kwargs)
-
- kwargs['http'] = CredentialsFromEnv().authorize(kwargs['http'])
- services[version] = apiclient.discovery.build('arvados', version,
- **kwargs)
- kwargs['http'].cache = None
- return services[version]
-
-def uncache_api(version):
- if version in services:
- del services[version]
+ `apiclient_discovery.build` if a new Resource object is created.
+ If the `discoveryServiceUrl` or `http` keyword arguments are
+ missing, this function will set default values for them, based on
+ the current Arvados configuration settings.
+
+ """
+
+ if not version:
+ version = 'v1'
+ _logger.info("Using default API version. " +
+ "Call arvados.api('%s') instead." %
+ version)
+ if 'discoveryServiceUrl' in kwargs:
+ if host:
+ raise ValueError("both discoveryServiceUrl and host provided")
+ # Here we can't use a token from environment, config file,
+ # etc. Those probably have nothing to do with the host
+ # provided by the caller.
+ if not token:
+ raise ValueError("discoveryServiceUrl provided, but token missing")
+ elif host and token:
+ pass
+ elif not host and not token:
+ # Load from user configuration or environment
+ for x in ['ARVADOS_API_HOST', 'ARVADOS_API_TOKEN']:
+ if x not in config.settings():
+ raise ValueError("%s is not set. Aborting." % x)
+ host = config.get('ARVADOS_API_HOST')
+ token = config.get('ARVADOS_API_TOKEN')
+ insecure = config.flag_is_true('ARVADOS_API_HOST_INSECURE')
+ else:
+ # Caller provided one but not the other
+ if not host:
+ raise ValueError("token argument provided, but host missing.")
+ else:
+ raise ValueError("host argument provided, but token missing.")
+
+ if host:
+ # Caller wants us to build the discoveryServiceUrl
+ kwargs['discoveryServiceUrl'] = (
+ 'https://%s/discovery/v1/apis/{api}/{apiVersion}/rest' % (host,))
+
+ if 'http' not in kwargs:
+ http_kwargs = {}
+ # Prefer system's CA certificates (if available) over httplib2's.
+ certs_path = '/etc/ssl/certs/ca-certificates.crt'
+ if os.path.exists(certs_path):
+ http_kwargs['ca_certs'] = certs_path
+ if cache:
+ http_kwargs['cache'] = http_cache('discovery')
+ if insecure:
+ http_kwargs['disable_ssl_certificate_validation'] = True
+ kwargs['http'] = httplib2.Http(**http_kwargs)
+
+ credentials = CredentialsFromToken(api_token=token)
+ kwargs['http'] = credentials.authorize(kwargs['http'])
+
+ svc = apiclient_discovery.build('arvados', version, **kwargs)
+ svc.api_token = token
+ kwargs['http'].cache = None
+ return svc