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import os |
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from st2actions.runners.pythonrunner import Action |
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from st2client.client import Client |
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from st2client.models.keyvalue import KeyValuePair # pylint: disable=no-name-in-module |
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from lib.utils import filter_none_values |
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__all__ = [ |
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'St2BaseAction' |
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] |
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class St2BaseAction(Action): |
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def __init__(self, config): |
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super(St2BaseAction, self).__init__(config) |
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self._client = Client |
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self._kvp = KeyValuePair |
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self.client = self._get_client() |
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def _get_client(self): |
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base_url, api_url, auth_url = self._get_st2_urls() |
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cacert = self._get_cacert() |
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client_kwargs = { |
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'base_url': base_url, |
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'api_url': api_url, |
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'auth_url': auth_url, |
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} |
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if cacert: |
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client_kwargs['cacert'] = cacert |
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api_key = self._get_api_key() |
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token = self._get_auth_token() |
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# API key has precendece over auth token generated for each action |
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# invocation |
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if api_key: |
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client_kwargs['api_key'] = api_key |
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else: |
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client_kwargs['token'] = token |
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return self._client(**client_kwargs) |
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def _get_st2_urls(self): |
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# First try to use base_url from config. |
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base_url = self.config.get('base_url', None) |
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api_url = self.config.get('api_url', None) |
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auth_url = self.config.get('auth_url', None) |
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# not found look up from env vars. Assuming the pack is |
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# configuered to work with current StackStorm instance. |
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if not base_url: |
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api_url = os.environ.get('ST2_ACTION_API_URL', None) |
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auth_url = os.environ.get('ST2_ACTION_AUTH_URL', None) |
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return base_url, api_url, auth_url |
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def _get_api_key(self): |
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api_key = self.config.get('api_key', None) |
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return api_key |
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def _get_auth_token(self): |
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# First try to use auth_token from config. |
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token = self.config.get('auth_token', None) |
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# not found look up from env vars. Assuming the pack is |
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# configuered to work with current StackStorm instance. |
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if not token: |
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token = os.environ.get('ST2_ACTION_AUTH_TOKEN', None) |
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return token |
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def _get_cacert(self): |
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cacert = self.config.get('cacert', None) |
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return cacert |
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def _run_client_method(self, method, method_kwargs, format_func, format_kwargs=None): |
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""" |
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Run the provided client method and format the result. |
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:param method: Client method to run. |
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:type method: ``func`` |
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:param method_kwargs: Keyword arguments passed to the client method. |
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:type method_kwargs: ``dict`` |
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:param format_func: Function for formatting the result. |
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:type format_func: ``func`` |
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:rtype: ``list`` of ``dict`` |
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""" |
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# Filter out parameters with string value of "None" |
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# This is a work around since the default values can only be strings |
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method_kwargs = filter_none_values(method_kwargs) |
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method_name = method.__name__ |
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self.logger.debug('Calling client method "%s" with kwargs "%s"' % (method_name, |
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method_kwargs)) |
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result = method(**method_kwargs) |
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result = format_func(result, **format_kwargs or {}) |
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return result |
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