diff options
Diffstat (limited to 'roles/openshift_facts/library')
| -rwxr-xr-x | roles/openshift_facts/library/openshift_facts.py | 109 |
1 files changed, 89 insertions, 20 deletions
diff --git a/roles/openshift_facts/library/openshift_facts.py b/roles/openshift_facts/library/openshift_facts.py index 25b9534dd..360033c32 100755 --- a/roles/openshift_facts/library/openshift_facts.py +++ b/roles/openshift_facts/library/openshift_facts.py @@ -916,41 +916,75 @@ def apply_provider_facts(facts, provider_facts): facts['provider'] = provider_facts return facts - -def merge_facts(orig, new, additive_facts_to_overwrite): +# Disabling pylint too many branches. This function needs refactored +# but is a very core part of openshift_facts. +# pylint: disable=too-many-branches +def merge_facts(orig, new, additive_facts_to_overwrite, protected_facts_to_overwrite): """ Recursively merge facts dicts Args: orig (dict): existing facts new (dict): facts to update - additive_facts_to_overwrite (list): additive facts to overwrite in jinja '.' notation ex: ['master.named_certificates'] + protected_facts_to_overwrite (list): protected facts to overwrite in jinja + '.' notation ex: ['master.master_count'] Returns: dict: the merged facts """ additive_facts = ['named_certificates'] + protected_facts = ['ha', 'master_count'] facts = dict() for key, value in orig.iteritems(): + # Key exists in both old and new facts. if key in new: + # Continue to recurse if old and new fact is a dictionary. if isinstance(value, dict) and isinstance(new[key], dict): + # Collect the subset of additive facts to overwrite if + # key matches. These will be passed to the subsequent + # merge_facts call. relevant_additive_facts = [] - # Keep additive_facts_to_overwrite if key matches for item in additive_facts_to_overwrite: if '.' in item and item.startswith(key + '.'): relevant_additive_facts.append(item) - facts[key] = merge_facts(value, new[key], relevant_additive_facts) + + # Collect the subset of protected facts to overwrite + # if key matches. These will be passed to the + # subsequent merge_facts call. + relevant_protected_facts = [] + for item in protected_facts_to_overwrite: + if '.' in item and item.startswith(key + '.'): + relevant_protected_facts.append(item) + facts[key] = merge_facts(value, new[key], relevant_additive_facts, relevant_protected_facts) + # Key matches an additive fact and we are not overwriting + # it so we will append the new value to the existing value. elif key in additive_facts and key not in [x.split('.')[-1] for x in additive_facts_to_overwrite]: - # Fact is additive so we'll combine orig and new. if isinstance(value, list) and isinstance(new[key], list): new_fact = [] for item in copy.deepcopy(value) + copy.deepcopy(new[key]): if item not in new_fact: new_fact.append(item) facts[key] = new_fact + # Key matches a protected fact and we are not overwriting + # it so we will determine if it is okay to change this + # fact. + elif key in protected_facts and key not in [x.split('.')[-1] for x in protected_facts_to_overwrite]: + # The master count (int) can only increase unless it + # has been passed as a protected fact to overwrite. + if key == 'master_count' and int(value) <= int(new[key]): + facts[key] = copy.deepcopy(new[key]) + else: + facts[key] = value + # ha (bool) can not change unless it has been passed + # as a protected fact to overwrite. + if key == 'ha': + facts[key] = value + # No other condition has been met. Overwrite the old fact + # with the new value. else: facts[key] = copy.deepcopy(new[key]) + # Key isn't in new so add it to facts to keep it. else: facts[key] = copy.deepcopy(value) new_keys = set(new.keys()) - set(orig.keys()) @@ -1114,6 +1148,8 @@ class OpenShiftFacts(object): local_facts (dict): local facts to set additive_facts_to_overwrite (list): additive facts to overwrite in jinja '.' notation ex: ['master.named_certificates'] + protected_facts_to_overwrite (list): protected facts to overwrite in jinja + '.' notation ex: ['master.master_count'] Raises: OpenShiftFactsUnsupportedRoleError: @@ -1122,7 +1158,10 @@ class OpenShiftFacts(object): # Disabling too-many-arguments, this should be cleaned up as a TODO item. # pylint: disable=too-many-arguments - def __init__(self, role, filename, local_facts, additive_facts_to_overwrite=False, openshift_env=None): + def __init__(self, role, filename, local_facts, + additive_facts_to_overwrite=None, + openshift_env=None, + protected_facts_to_overwrite=None): self.changed = False self.filename = filename if role not in self.known_roles: @@ -1131,27 +1170,41 @@ class OpenShiftFacts(object): ) self.role = role self.system_facts = ansible_facts(module) - self.facts = self.generate_facts(local_facts, additive_facts_to_overwrite, openshift_env) - - def generate_facts(self, local_facts, additive_facts_to_overwrite, openshift_env): + self.facts = self.generate_facts(local_facts, + additive_facts_to_overwrite, + openshift_env, + protected_facts_to_overwrite) + + def generate_facts(self, + local_facts, + additive_facts_to_overwrite, + openshift_env, + protected_facts_to_overwrite): """ Generate facts Args: - local_facts (dict): local_facts for overriding generated - defaults + local_facts (dict): local_facts for overriding generated defaults additive_facts_to_overwrite (list): additive facts to overwrite in jinja '.' notation ex: ['master.named_certificates'] - + openshift_env (dict): openshift_env facts for overriding generated defaults + protected_facts_to_overwrite (list): protected facts to overwrite in jinja + '.' notation ex: ['master.master_count'] Returns: dict: The generated facts """ - local_facts = self.init_local_facts(local_facts, additive_facts_to_overwrite, openshift_env) + local_facts = self.init_local_facts(local_facts, + additive_facts_to_overwrite, + openshift_env, + protected_facts_to_overwrite) roles = local_facts.keys() defaults = self.get_defaults(roles) provider_facts = self.init_provider_facts() facts = apply_provider_facts(defaults, provider_facts) - facts = merge_facts(facts, local_facts, additive_facts_to_overwrite) + facts = merge_facts(facts, + local_facts, + additive_facts_to_overwrite, + protected_facts_to_overwrite) facts['current_config'] = get_current_config(facts) facts = set_url_facts_if_unset(facts) facts = set_project_cfg_facts_if_unset(facts) @@ -1315,13 +1368,20 @@ class OpenShiftFacts(object): # Disabling too-many-branches. This should be cleaned up as a TODO item. #pylint: disable=too-many-branches - def init_local_facts(self, facts=None, additive_facts_to_overwrite=False, openshift_env=None): + def init_local_facts(self, facts=None, + additive_facts_to_overwrite=None, + openshift_env=None, + protected_facts_to_overwrite=None): """ Initialize the provider facts Args: facts (dict): local facts to set additive_facts_to_overwrite (list): additive facts to overwrite in jinja '.' notation ex: ['master.named_certificates'] + openshift_env (dict): openshift env facts to set + protected_facts_to_overwrite (list): protected facts to overwrite in jinja + '.' notation ex: ['master.master_count'] + Returns: dict: The result of merging the provided facts with existing @@ -1347,7 +1407,10 @@ class OpenShiftFacts(object): elif key not in current_level: current_level[key] = dict() current_level = current_level[key] - facts_to_set = merge_facts(facts_to_set, oo_env_facts, []) + facts_to_set = merge_facts(orig=facts_to_set, + new=oo_env_facts, + additive_facts_to_overwrite=[], + protected_facts_to_overwrite=[]) local_facts = get_local_facts_from_file(self.filename) @@ -1356,7 +1419,10 @@ class OpenShiftFacts(object): basestring): facts_to_set[arg] = module.from_json(facts_to_set[arg]) - new_local_facts = merge_facts(local_facts, facts_to_set, additive_facts_to_overwrite) + new_local_facts = merge_facts(local_facts, + facts_to_set, + additive_facts_to_overwrite, + protected_facts_to_overwrite) for facts in new_local_facts.values(): keys_to_delete = [] if isinstance(facts, dict): @@ -1452,7 +1518,8 @@ def main(): choices=OpenShiftFacts.known_roles), local_facts=dict(default=None, type='dict', required=False), additive_facts_to_overwrite=dict(default=[], type='list', required=False), - openshift_env=dict(default={}, type='dict', required=False) + openshift_env=dict(default={}, type='dict', required=False), + protected_facts_to_overwrite=dict(default=[], type='list', required=False), ), supports_check_mode=True, add_file_common_args=True, @@ -1462,6 +1529,7 @@ def main(): local_facts = module.params['local_facts'] additive_facts_to_overwrite = module.params['additive_facts_to_overwrite'] openshift_env = module.params['openshift_env'] + protected_facts_to_overwrite = module.params['protected_facts_to_overwrite'] fact_file = '/etc/ansible/facts.d/openshift.fact' @@ -1469,7 +1537,8 @@ def main(): fact_file, local_facts, additive_facts_to_overwrite, - openshift_env) + openshift_env, + protected_facts_to_overwrite) file_params = module.params.copy() file_params['path'] = fact_file |