oo_filters.py 文件源码

def oo_openshift_env(hostvars):
        ''' Return facts which begin with "openshift_" and translate
            legacy facts to their openshift_env counterparts.

            Ex: hostvars = {'openshift_fact': 42,
                            'theyre_taking_the_hobbits_to': 'isengard'}
                returns  = {'openshift_fact': 42}
        '''
        if not issubclass(type(hostvars), dict):
            raise errors.AnsibleFilterError("|failed expects hostvars is a dict")

        facts = {}
        regex = re.compile('^openshift_.*')
        for key in hostvars:
            if regex.match(key):
                facts[key] = hostvars[key]

        migrations = {'openshift_router_selector': 'openshift_hosted_router_selector',
                      'openshift_registry_selector': 'openshift_hosted_registry_selector'}
        for old_fact, new_fact in migrations.iteritems():
            if old_fact in facts and new_fact not in facts:
                facts[new_fact] = facts[old_fact]
        return facts