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mirror of https://github.com/ansible/awx.git synced 2024-11-02 09:51:09 +03:00
awx/lib/main/serializers.py

459 lines
18 KiB
Python

# Copyright (c) 2013 AnsibleWorks, Inc.
# All Rights Reserved
# Django
from django.contrib.auth.models import User
from django.core.urlresolvers import reverse
from django.core.exceptions import ObjectDoesNotExist
# Django REST framework
from rest_framework import serializers, pagination
from rest_framework.templatetags.rest_framework import replace_query_param
# Ansible Commander
from lib.main.models import *
BASE_FIELDS = ('id', 'url', 'related', 'summary_fields', 'created',
'creation_date', 'name', 'description')
class NextPageField(pagination.NextPageField):
''' makes the pagination relative URL not full URL '''
def to_native(self, value):
if not value.has_next():
return None
page = value.next_page_number()
request = self.context.get('request')
url = request and request.get_full_path() or ''
return replace_query_param(url, self.page_field, page)
class PreviousPageField(pagination.NextPageField):
''' makes the pagination relative URL not full URL '''
def to_native(self, value):
if not value.has_previous():
return None
page = value.previous_page_number()
request = self.context.get('request')
url = request and request.get_full_path() or ''
return replace_query_param(url, self.page_field, page)
class PaginationSerializer(pagination.BasePaginationSerializer):
'''
Custom pagination serializer to output only URL path (without host/port).
'''
count = serializers.Field(source='paginator.count')
next = NextPageField(source='*')
previous = PreviousPageField(source='*')
# objects that if found we should add summary info for them
SUMMARIZABLE_FKS = (
'organization', 'host', 'group', 'inventory', 'project', 'team', 'job', 'job_template',
'credential', 'permission'
)
# fields that should be summarized regardless of object type
SUMMARIZABLE_FIELDS = (
'name', 'username', 'first_name', 'last_name', 'description'
)
class BaseSerializer(serializers.ModelSerializer):
# add the URL and related resources
url = serializers.SerializerMethodField('get_absolute_url')
related = serializers.SerializerMethodField('get_related')
summary_fields = serializers.SerializerMethodField('get_summary_fields')
# make certain fields read only
created = serializers.SerializerMethodField('get_created')
creation_date = serializers.SerializerMethodField('get_creation_date') # FIXME: temporarily left this field in case anything uses it.. should be removed.
active = serializers.SerializerMethodField('get_active')
def get_absolute_url(self, obj):
if isinstance(obj, User):
return reverse('main:users_detail', args=(obj.pk,))
else:
return obj.get_absolute_url()
def get_related(self, obj):
res = dict()
if getattr(obj, 'created_by', None):
res['created_by'] = reverse('main:users_detail', args=(obj.created_by.pk,))
return res
def get_summary_fields(self, obj):
# return the names (at least) for various fields, so we don't have to write this
# method for each object.
summary_fields = {}
for fk in SUMMARIZABLE_FKS:
try:
fkval = getattr(obj, fk, None)
if fkval is not None:
summary_fields[fk] = {}
for field in SUMMARIZABLE_FIELDS:
fval = getattr(fkval, field, None)
if fval is not None:
summary_fields[fk][field] = fval
# Can be raised by the reverse accessor for a OneToOneField.
except ObjectDoesNotExist:
pass
return summary_fields
def get_creation_date(self, obj):
if isinstance(obj, User):
return obj.date_joined.date()
else:
return obj.created.date()
def get_created(self, obj):
if isinstance(obj, User):
return obj.date_joined
else:
return obj.created
def get_active(self, obj):
if isinstance(obj, User):
return obj.is_active
else:
return obj.active
class OrganizationSerializer(BaseSerializer):
class Meta:
model = Organization
fields = BASE_FIELDS
def get_related(self, obj):
res = super(OrganizationSerializer, self).get_related(obj)
res.update(dict(
audit_trail = reverse('main:organizations_audit_trail_list', args=(obj.pk,)),
projects = reverse('main:organizations_projects_list', args=(obj.pk,)),
inventories = reverse('main:organizations_inventories_list', args=(obj.pk,)),
users = reverse('main:organizations_users_list', args=(obj.pk,)),
admins = reverse('main:organizations_admins_list', args=(obj.pk,)),
tags = reverse('main:organizations_tags_list', args=(obj.pk,)),
teams = reverse('main:organizations_teams_list', args=(obj.pk,)),
))
return res
class AuditTrailSerializer(BaseSerializer):
class Meta:
model = AuditTrail
fields = ('url', 'id', 'modified_by', 'delta', 'detail', 'comment')
def get_related(self, obj):
res = super(AuditTrailSerializer, self).get_related(obj)
if obj.modified_by:
res['modified_by'] = reverse('main:users_detail', args=(obj.modified_by.pk,))
return res
class ProjectSerializer(BaseSerializer):
playbooks = serializers.Field(source='playbooks')
local_path_choices = serializers.SerializerMethodField('get_local_path_choices')
class Meta:
model = Project
fields = BASE_FIELDS + ('local_path', 'local_path_choices')
# 'default_playbook', 'scm_type')
def get_related(self, obj):
res = super(ProjectSerializer, self).get_related(obj)
res.update(dict(
organizations = reverse('main:projects_organizations_list', args=(obj.pk,)),
playbooks = reverse('main:projects_detail_playbooks', args=(obj.pk,)),
))
return res
def get_local_path_choices(self, obj):
return Project.get_local_path_choices()
class ProjectPlaybooksSerializer(ProjectSerializer):
class Meta:
model = Project
fields = ('playbooks',)
def to_native(self, obj):
ret = super(ProjectPlaybooksSerializer, self).to_native(obj)
return ret.get('playbooks', [])
class InventorySerializer(BaseSerializer):
class Meta:
model = Inventory
fields = BASE_FIELDS + ('organization',)
def get_related(self, obj):
res = super(InventorySerializer, self).get_related(obj)
res.update(dict(
hosts = reverse('main:inventory_hosts_list', args=(obj.pk,)),
groups = reverse('main:inventory_groups_list', args=(obj.pk,)),
root_groups = reverse('main:inventory_root_groups_list', args=(obj.pk,)),
organization = reverse('main:organizations_detail', args=(obj.organization.pk,)),
))
return res
class HostSerializer(BaseSerializer):
class Meta:
model = Host
fields = BASE_FIELDS + ('inventory',)
def get_related(self, obj):
res = super(HostSerializer, self).get_related(obj)
res.update(dict(
variable_data = reverse('main:hosts_variable_detail', args=(obj.pk,)),
inventory = reverse('main:inventory_detail', args=(obj.inventory.pk,)),
job_events = reverse('main:host_job_event_list', args=(obj.pk,)),
job_host_summaries = reverse('main:host_job_host_summary_list', args=(obj.pk,)),
))
if obj.last_job:
res['last_job'] = reverse('main:job_detail', args=(obj.last_job.pk,))
if obj.last_job_host_summary:
res['last_job_host_summary'] = reverse('main:job_host_summary_detail', args=(obj.last_job_host_summary.pk,))
# NICE TO HAVE: possible reverse resource to show what groups the host is in
return res
class GroupSerializer(BaseSerializer):
class Meta:
model = Group
fields = BASE_FIELDS + ('inventory',)
def get_related(self, obj):
res = super(GroupSerializer, self).get_related(obj)
res.update(dict(
variable_data = reverse('main:groups_variable_detail', args=(obj.pk,)),
hosts = reverse('main:groups_hosts_list', args=(obj.pk,)),
children = reverse('main:groups_children_list', args=(obj.pk,)),
all_hosts = reverse('main:groups_all_hosts_list', args=(obj.pk,)),
inventory = reverse('main:inventory_detail', args=(obj.inventory.pk,)),
job_events = reverse('main:group_job_event_list', args=(obj.pk,)),
job_host_summaries = reverse('main:group_job_host_summary_list', args=(obj.pk,)),
))
return res
class TeamSerializer(BaseSerializer):
class Meta:
model = Team
fields = BASE_FIELDS + ('organization',)
def get_related(self, obj):
res = super(TeamSerializer, self).get_related(obj)
res.update(dict(
projects = reverse('main:teams_projects_list', args=(obj.pk,)),
users = reverse('main:teams_users_list', args=(obj.pk,)),
credentials = reverse('main:teams_credentials_list', args=(obj.pk,)),
organization = reverse('main:organizations_detail', args=(obj.organization.pk,)),
permissions = reverse('main:teams_permissions_list', args=(obj.pk,)),
))
return res
class PermissionSerializer(BaseSerializer):
class Meta:
model = Permission
fields = BASE_FIELDS + ('user', 'team', 'project', 'inventory',
'permission_type',)
def get_related(self, obj):
res = super(PermissionSerializer, self).get_related(obj)
if obj.user:
res['user'] = reverse('main:users_detail', args=(obj.user.pk,))
if obj.team:
res['team'] = reverse('main:teams_detail', args=(obj.team.pk,))
if obj.project:
res['project'] = reverse('main:projects_detail', args=(obj.project.pk,))
if obj.inventory:
res['inventory'] = reverse('main:inventory_detail', args=(obj.inventory.pk,))
return res
class CredentialSerializer(BaseSerializer):
# FIXME: may want to make some of these filtered based on user accessing
class Meta:
model = Credential
fields = BASE_FIELDS + ('ssh_username', 'ssh_password', 'ssh_key_data',
'ssh_key_unlock', 'sudo_username',
'sudo_password', 'user', 'team',)
def get_related(self, obj):
res = super(CredentialSerializer, self).get_related(obj)
if obj.user:
res['user'] = reverse('main:users_detail', args=(obj.user.pk,))
if obj.team:
res['team'] = reverse('main:teams_detail', args=(obj.team.pk,))
return res
def validate(self, attrs):
''' some fields cannot be changed once written '''
if self.object is not None:
# this is an update
if self.object.user != attrs['user']:
raise serializers.ValidationError("user cannot be changed")
if self.object.team != attrs['team']:
raise serializers.ValidationError("team cannot be changed")
return attrs
class UserSerializer(BaseSerializer):
class Meta:
model = User
fields = ('id', 'url', 'related', 'created', 'creation_date',
'username', 'first_name', 'last_name', 'email', 'is_active',
'is_superuser',)
def get_related(self, obj):
res = super(UserSerializer, self).get_related(obj)
res.update(dict(
teams = reverse('main:users_teams_list', args=(obj.pk,)),
organizations = reverse('main:users_organizations_list', args=(obj.pk,)),
admin_of_organizations = reverse('main:users_admin_organizations_list', args=(obj.pk,)),
projects = reverse('main:users_projects_list', args=(obj.pk,)),
credentials = reverse('main:users_credentials_list', args=(obj.pk,)),
permissions = reverse('main:users_permissions_list', args=(obj.pk,)),
))
return res
class TagSerializer(BaseSerializer):
class Meta:
model = Tag
fields = ('id', 'url', 'name')
def get_related(self, obj):
res = super(TagSerializer, self).get_related(obj)
res.pop('created_by', None)
return res
class VariableDataSerializer(BaseSerializer):
class Meta:
model = VariableData
fields = BASE_FIELDS + ('data',)
def get_related(self, obj):
res = super(VariableDataSerializer, self).get_related(obj)
try:
res['host'] = reverse('main:hosts_detail', args=(obj.host.pk,))
except Host.DoesNotExist:
pass
try:
res['group'] = reverse('main:groups_detail', args=(obj.group.pk,))
except Group.DoesNotExist:
pass
return res
class JobTemplateSerializer(BaseSerializer):
class Meta:
model = JobTemplate
fields = BASE_FIELDS + ('job_type', 'inventory', 'project', 'playbook',
'credential', 'forks', 'limit', 'verbosity',
'extra_vars')
def get_related(self, obj):
res = super(JobTemplateSerializer, self).get_related(obj)
res.update(dict(
inventory = reverse('main:inventory_detail', args=(obj.inventory.pk,)),
project = reverse('main:projects_detail', args=(obj.project.pk,)),
jobs = reverse('main:job_template_job_list', args=(obj.pk,)),
))
if obj.credential:
res['credential'] = reverse('main:credentials_detail', args=(obj.credential.pk,))
return res
def validate_playbook(self, attrs, source):
project = attrs.get('project', None)
playbook = attrs.get('playbook', '')
if project and playbook and playbook not in project.playbooks:
raise serializers.ValidationError('Playbook not found for project')
return attrs
class JobSerializer(BaseSerializer):
passwords_needed_to_start = serializers.Field(source='get_passwords_needed_to_start')
class Meta:
model = Job
fields = BASE_FIELDS + ('job_template', 'job_type', 'inventory',
'project', 'playbook', 'credential',
'forks', 'limit', 'verbosity', 'extra_vars',
'status', 'failed', 'result_stdout',
'result_traceback',
'passwords_needed_to_start')
def get_related(self, obj):
res = super(JobSerializer, self).get_related(obj)
res.update(dict(
inventory = reverse('main:inventory_detail', args=(obj.inventory.pk,)),
project = reverse('main:projects_detail', args=(obj.project.pk,)),
credential = reverse('main:credentials_detail', args=(obj.credential.pk,)),
job_events = reverse('main:job_job_event_list', args=(obj.pk,)),
job_host_summaries = reverse('main:job_job_host_summary_list', args=(obj.pk,)),
))
if obj.job_template:
res['job_template'] = reverse('main:job_template_detail', args=(obj.job_template.pk,))
if obj.can_start or True:
res['start'] = reverse('main:job_start', args=(obj.pk,))
if obj.can_cancel or True:
res['cancel'] = reverse('main:job_cancel', args=(obj.pk,))
return res
def from_native(self, data, files):
# When creating a new job and a job template is specified, populate any
# fields not provided in data from the job template.
if not self.object and isinstance(data, dict) and 'job_template' in data:
try:
job_template = JobTemplate.objects.get(pk=data['job_template'])
except JobTemplate.DoesNotExist:
self._errors = {'job_template': 'Invalid job template'}
return
# Don't auto-populate name or description.
data.setdefault('job_type', job_template.job_type)
data.setdefault('inventory', job_template.inventory.pk)
data.setdefault('project', job_template.project.pk)
data.setdefault('playbook', job_template.playbook)
if job_template.credential:
data.setdefault('credential', job_template.credential.pk)
data.setdefault('forks', job_template.forks)
data.setdefault('limit', job_template.limit)
data.setdefault('verbosity', job_template.verbosity)
data.setdefault('extra_vars', job_template.extra_vars)
return super(JobSerializer, self).from_native(data, files)
class JobHostSummarySerializer(BaseSerializer):
class Meta:
model = JobHostSummary
fields = ('id', 'url', 'job', 'host', 'summary_fields', 'related',
'changed', 'dark', 'failures', 'ok', 'processed', 'skipped')
def get_related(self, obj):
res = super(JobHostSummarySerializer, self).get_related(obj)
res.update(dict(
job=reverse('main:job_detail', args=(obj.job.pk,)),
host=reverse('main:hosts_detail', args=(obj.host.pk,))
))
return res
class JobEventSerializer(BaseSerializer):
class Meta:
model = JobEvent
fields = ('id', 'url', 'created', 'job', 'event', 'event_data',
'failed', 'host', 'related', 'summary_fields')
def get_related(self, obj):
res = super(JobEventSerializer, self).get_related(obj)
res.update(dict(
job = reverse('main:job_detail', args=(obj.job.pk,)),
))
if obj.host:
res['host'] = reverse('main:hosts_detail', args=(obj.host.pk,))
return res