Files
awx/awxkit/awxkit/api/pages/api.py
2024-06-10 14:54:10 -04:00

437 lines
18 KiB
Python

from collections import defaultdict
import itertools
import logging
from awxkit.api.resources import resources
import awxkit.exceptions as exc
from . import base
from . import page
from .. import utils
from ..mixins import has_create
log = logging.getLogger(__name__)
EXPORTABLE_RESOURCES = [
'users',
'organizations',
'teams',
'credential_types',
'credentials',
'notification_templates',
'projects',
'inventory',
'inventory_sources',
'job_templates',
'workflow_job_templates',
'execution_environments',
'applications',
'schedules',
]
EXPORTABLE_RELATIONS = ['Roles', 'NotificationTemplates', 'WorkflowJobTemplateNodes', 'Credentials', 'Hosts', 'Groups', 'ExecutionEnvironments', 'Schedules']
# These are special-case related objects, where we want only in this
# case to export a full object instead of a natural key reference.
DEPENDENT_EXPORT = [
('JobTemplate', 'Label'),
('JobTemplate', 'SurveySpec'),
('JobTemplate', 'Schedule'),
('WorkflowJobTemplate', 'Label'),
('WorkflowJobTemplate', 'SurveySpec'),
('WorkflowJobTemplate', 'Schedule'),
('WorkflowJobTemplate', 'WorkflowJobTemplateNode'),
('InventorySource', 'Schedule'),
('Inventory', 'Group'),
('Inventory', 'Host'),
('Inventory', 'Label'),
('WorkflowJobTemplateNode', 'WorkflowApprovalTemplate'),
]
# This is for related views where it is unneeded to export anything,
# such as because it is a calculated subset of objects covered by a
# different view.
DEPENDENT_NONEXPORT = [
('InventorySource', 'groups'),
('InventorySource', 'hosts'),
('Inventory', 'root_groups'),
('Group', 'all_hosts'),
('Group', 'potential_children'),
('Host', 'all_groups'),
('WorkflowJobTemplateNode', 'create_approval_template'),
]
class Api(base.Base):
pass
page.register_page(resources.api, Api)
class ApiV2(base.Base):
# Export methods
def _export(self, _page, post_fields):
# Drop any (credential_type) assets that are being managed by the instance.
if _page.json.get('managed'):
log.debug("%s is managed, skipping.", _page.endpoint)
return None
if post_fields is None: # Deprecated endpoint or insufficient permissions
log.error("Object export failed: %s", _page.endpoint)
self._has_error = True
return None
# Note: doing _page[key] automatically parses json blob strings, which can be a problem.
fields = {key: _page.json[key] for key in post_fields if key in _page.json and key not in _page.related and key != 'id'}
# iterate over direct fields in the object
for key in post_fields:
if key in _page.related:
related = _page.related[key]
else:
if post_fields[key]['type'] == 'id' and _page.json.get(key) is not None:
log.warning("Related link %r missing from %s, attempting to reconstruct endpoint.", key, _page.endpoint)
res_pattern, resource = getattr(resources, key, None), None
if res_pattern:
try:
top_level = res_pattern.split('/')[3]
resource = getattr(self, top_level, None)
except IndexError:
pass
if resource is None:
log.error("Unable to infer endpoint for %r on %s.", key, _page.endpoint)
self._has_error = True
continue
related = self._filtered_list(resource, _page.json[key]).results[0]
else:
continue
rel_endpoint = self._cache.get_page(related)
if rel_endpoint is None: # This foreign key is unreadable
if post_fields[key].get('required'):
log.error("Foreign key %r export failed for object %s.", key, _page.endpoint)
self._has_error = True
return None
log.warning("Foreign key %r export failed for object %s, setting to null", key, _page.endpoint)
continue
# Workflow approval templates have a special creation endpoint,
# therefore we are skipping the export via natural key.
if rel_endpoint.__item_class__.__name__ == 'WorkflowApprovalTemplate':
continue
rel_natural_key = rel_endpoint.get_natural_key(self._cache)
if rel_natural_key is None:
log.error("Unable to construct a natural key for foreign key %r of object %s.", key, _page.endpoint)
self._has_error = True
return None # This foreign key has unresolvable dependencies
fields[key] = rel_natural_key
# iterate over related fields in the object
related = {}
for key, rel_endpoint in _page.related.items():
# skip if no endpoint for this related object
if not rel_endpoint:
continue
rel = rel_endpoint._create()
if rel.__item_class__.__name__ != 'WorkflowApprovalTemplate':
if key in post_fields:
continue
is_relation = rel.__class__.__name__ in EXPORTABLE_RELATIONS
# determine if the parent object and the related object that we are processing through are related
# if this tuple is in the DEPENDENT_EXPORT than we output the full object
# else we output the natural key
is_dependent = (_page.__item_class__.__name__, rel.__item_class__.__name__) in DEPENDENT_EXPORT
is_blocked = (_page.__item_class__.__name__, key) in DEPENDENT_NONEXPORT
if is_blocked or not (is_relation or is_dependent):
continue
# if the rel is of WorkflowApprovalTemplate type, get rel_post_fields from create_approval_template endpoint
rel_option_endpoint = rel_endpoint
export_key = key
if rel.__item_class__.__name__ == 'WorkflowApprovalTemplate':
export_key = 'create_approval_template'
rel_option_endpoint = _page.related.get('create_approval_template')
rel_post_fields = utils.get_post_fields(rel_option_endpoint, self._cache)
if rel_post_fields is None:
log.debug("%s is a read-only endpoint.", rel_endpoint)
continue
is_attach = 'id' in rel_post_fields # This is not a create-only endpoint.
if is_dependent:
by_natural_key = False
elif is_relation and is_attach and not is_blocked:
by_natural_key = True
else:
continue
rel_page = self._cache.get_page(rel_endpoint)
if rel_page is None:
continue
if 'results' in rel_page:
results = (x.get_natural_key(self._cache) if by_natural_key else self._export(x, rel_post_fields) for x in rel_page.results)
related[export_key] = [x for x in results if x is not None]
elif rel.__item_class__.__name__ == 'WorkflowApprovalTemplate':
related[export_key] = self._export(rel_page, rel_post_fields)
else:
related[export_key] = rel_page.json
if related:
fields['related'] = related
if _page.__item_class__.__name__ != 'WorkflowApprovalTemplate':
natural_key = _page.get_natural_key(self._cache)
if natural_key is None:
log.error("Unable to construct a natural key for object %s.", _page.endpoint)
self._has_error = True
return None
fields['natural_key'] = natural_key
return fields
def _export_list(self, endpoint):
post_fields = utils.get_post_fields(endpoint, self._cache)
if post_fields is None:
return None
if isinstance(endpoint, page.TentativePage):
endpoint = self._cache.get_page(endpoint)
if endpoint is None:
return None
assets = (self._export(asset, post_fields) for asset in endpoint.results)
return [asset for asset in assets if asset is not None]
def _check_for_int(self, value):
return isinstance(value, int) or (isinstance(value, str) and value.isdecimal())
def _filtered_list(self, endpoint, value):
if isinstance(value, list) and len(value) == 1:
value = value[0]
if self._check_for_int(value):
return endpoint.get(id=int(value))
options = self._cache.get_options(endpoint)
identifier = next(field for field in options['search_fields'] if field in ('name', 'username', 'hostname'))
if isinstance(value, list):
if all(self._check_for_int(item) for item in value):
identifier = 'or__id'
else:
identifier = 'or__' + identifier
return endpoint.get(**{identifier: value}, all_pages=True)
def export_assets(self, **kwargs):
self._cache = page.PageCache(self.connection)
# If no resource kwargs are explicitly used, export everything.
all_resources = all(kwargs.get(resource) is None for resource in EXPORTABLE_RESOURCES)
data = {}
for resource in EXPORTABLE_RESOURCES:
value = kwargs.get(resource)
if all_resources or value is not None:
endpoint = getattr(self, resource)
if value:
endpoint = self._filtered_list(endpoint, value)
data[resource] = self._export_list(endpoint)
return data
# Import methods
def _dependent_resources(self):
page_resource = {}
for resource in self.json:
# The /api/v2/constructed_inventories endpoint is for the UI but will register as an Inventory endpoint
# We want to map the type to /api/v2/inventories/ which works for constructed too
if resource == 'constructed_inventory':
continue
page_resource[getattr(self, resource)._create().__item_class__] = resource
data_pages = [getattr(self, resource)._create().__item_class__ for resource in EXPORTABLE_RESOURCES]
for page_cls in itertools.chain(*has_create.page_creation_order(*data_pages)):
yield page_resource[page_cls]
def _import_list(self, endpoint, assets):
log.debug("_import_list -- endpoint: %s, assets: %s", endpoint.endpoint, repr(assets))
post_fields = utils.get_post_fields(endpoint, self._cache)
changed = False
for asset in assets:
post_data = {}
for field, value in asset.items():
if field not in post_fields:
continue
if post_fields[field]['type'] in ('id', 'integer') and isinstance(value, dict):
_page = self._cache.get_by_natural_key(value)
post_data[field] = _page['id'] if _page is not None else None
else:
post_data[field] = utils.remove_encrypted(value)
_page = self._cache.get_by_natural_key(asset['natural_key'])
try:
if _page is None:
if asset['natural_key']['type'] == 'user':
# We should only impose a default password if the resource doesn't exist.
post_data.setdefault('password', 'abc123')
try:
_page = endpoint.post(post_data)
except exc.NoContent:
# desired exception under some circumstances, e.g. labels that already exist
if _page is None and 'name' in post_data:
results = endpoint.get(all_pages=True).results
for item in results:
if item['name'] == post_data['name']:
_page = item.get()
break
else:
raise
changed = True
if asset['natural_key']['type'] == 'project':
# When creating a project, we need to wait for its
# first project update to finish so that associated
# JTs have valid options for playbook names
try:
_page.wait_until_completed(timeout=300)
except AssertionError:
# If the project update times out, try to
# carry on in the hopes that it will
# finish before it is needed.
pass
else:
# If we are an existing project and our scm_tpye is not changing don't try and import the local_path setting
if asset['natural_key']['type'] == 'project' and 'local_path' in post_data and _page['scm_type'] == post_data['scm_type']:
del post_data['local_path']
if asset['natural_key']['type'] == 'user':
_page = _page.patch(**post_data)
else:
_page = _page.put(post_data)
changed = True
except (exc.Common, AssertionError) as e:
identifier = asset.get("name", None) or asset.get("username", None) or asset.get("hostname", None)
log.error(f'{endpoint} "{identifier}": {e}.')
self._has_error = True
log.debug("post_data: %r", post_data)
continue
self._cache.set_page(_page)
# Queue up everything related to be either created or assigned.
for name, S in asset.get('related', {}).items():
if not S:
continue
if name == 'roles':
indexed_roles = defaultdict(list)
for role in S:
if role.get('content_object') is None:
continue
indexed_roles[role['content_object']['type']].append(role)
self._roles.append((_page, indexed_roles))
else:
self._related.append((_page, name, S))
return changed
def _assign_role(self, endpoint, role):
if 'content_object' not in role:
return
obj_page = self._cache.get_by_natural_key(role['content_object'])
if obj_page is None:
return
role_page = obj_page.get_object_role(role['name'], by_name=True)
try:
endpoint.post({'id': role_page['id']})
except exc.NoContent: # desired exception on successful (dis)association
pass
except exc.Common as e:
log.error("Role assignment failed: %s.", e)
self._has_error = True
log.debug("post_data: %r", {'id': role_page['id']})
def _assign_membership(self):
for _page, indexed_roles in self._roles:
role_endpoint = _page.json['related']['roles']
for content_type in ('organization', 'team'):
for role in indexed_roles.get(content_type, []):
self._assign_role(role_endpoint, role)
def _assign_roles(self):
for _page, indexed_roles in self._roles:
role_endpoint = _page.json['related']['roles']
for content_type in set(indexed_roles) - {'organization', 'team'}:
for role in indexed_roles.get(content_type, []):
self._assign_role(role_endpoint, role)
def _assign_related(self):
for _page, name, related_set in self._related:
endpoint = _page.related[name]
if isinstance(related_set, dict): # Related that are just json blobs, e.g. survey_spec
endpoint.post(related_set)
continue
if 'natural_key' not in related_set[0]: # It is an attach set
# Try to impedance match
related = endpoint.get(all_pages=True)
existing = {rel['id'] for rel in related.results}
for item in related_set:
rel_page = self._cache.get_by_natural_key(item)
if rel_page is None:
log.error("Could not find matching object in Tower for imported relation, item: %r", item)
self._has_error = True
continue
if rel_page['id'] in existing:
continue
try:
post_data = {'id': rel_page['id']}
endpoint.post(post_data)
log.error("endpoint: %s, id: %s", endpoint.endpoint, rel_page['id'])
self._has_error = True
except exc.NoContent: # desired exception on successful (dis)association
pass
except exc.Common as e:
log.error("Object association failed: %s.", e)
self._has_error = True
log.debug("post_data: %r", post_data)
else: # It is a create set
self._cache.get_page(endpoint)
self._import_list(endpoint, related_set)
# FIXME: deal with pruning existing relations that do not match the import set
def import_assets(self, data):
self._cache = page.PageCache(self.connection)
self._related = []
self._roles = []
changed = False
for resource in self._dependent_resources():
endpoint = getattr(self, resource)
imported = self._import_list(endpoint, data.get(resource) or [])
changed = changed or imported
self._assign_related()
self._assign_membership()
self._assign_roles()
return changed
page.register_page(resources.v2, ApiV2)