def _get_credentials()

in Hands-on lab/labfiles/sap-hana/deploy/vm/ansible/azure_rm.py [0:0]

• 40 lines of code
• 10 McCabe index (conditional complexity)

    def _get_credentials(self, params):
        # Get authentication credentials.
        # Precedence: cmd line parameters-> environment variables-> default profile in ~/.azure/credentials.

        self.log('Getting credentials')

        arg_credentials = dict()
        for attribute, env_variable in AZURE_CREDENTIAL_ENV_MAPPING.items():
            arg_credentials[attribute] = getattr(params, attribute)

        # try module params
        if arg_credentials['profile'] is not None:
            self.log('Retrieving credentials with profile parameter.')
            credentials = self._get_profile(arg_credentials['profile'])
            return credentials

        if arg_credentials['client_id'] is not None:
            self.log('Received credentials from parameters.')
            return arg_credentials

        if arg_credentials['ad_user'] is not None:
            self.log('Received credentials from parameters.')
            return arg_credentials

        # try environment
        env_credentials = self._get_env_credentials()
        if env_credentials:
            self.log('Received credentials from env.')
            return env_credentials

        # try default profile from ~./azure/credentials
        default_credentials = self._get_profile()
        if default_credentials:
            self.log('Retrieved default profile credentials from ~/.azure/credentials.')
            return default_credentials

        msi_credentials = self._get_msi_credentials(arg_credentials.get('subscription_id'))
        if msi_credentials:
            self.log('Retrieved credentials from MSI.')
            return msi_credentials

        try:
            if HAS_AZURE_CLI_CORE:
                self.log('Retrieving credentials from AzureCLI profile')
            cli_credentials = self._get_azure_cli_credentials()
            return cli_credentials
        except CLIError as ce:
            self.log('Error getting AzureCLI profile credentials - {0}'.format(ce))

        return None