mirror of
https://github.com/ansible/awx.git
synced 2026-01-13 19:10:07 -03:30
383 lines
14 KiB
Python
383 lines
14 KiB
Python
# Copyright (c) 2014 AnsibleWorks, Inc.
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# All Rights Reserved.
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# Python
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import datetime
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import hashlib
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import hmac
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import json
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import logging
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import os
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import re
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import shlex
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import urlparse
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import uuid
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# PyYAML
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import yaml
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# Django
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from django.conf import settings
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from django.db import models
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from django.db.models import CASCADE, SET_NULL, PROTECT
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from django.utils.translation import ugettext_lazy as _
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from django.core.exceptions import ValidationError, NON_FIELD_ERRORS
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from django.core.urlresolvers import reverse
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from django.contrib.auth.models import User
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from django.utils.timezone import now, make_aware, get_default_timezone
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# AWX
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from awx.lib.compat import slugify
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from awx.main.models.base import *
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from awx.main.utils import update_scm_url
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__all__ = ['Project', 'ProjectUpdate']
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class Project(CommonModel):
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'''
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A project represents a playbook git repo that can access a set of inventories
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'''
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PROJECT_STATUS_CHOICES = [
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('ok', 'OK'),
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('missing', 'Missing'),
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('never updated', 'Never Updated'),
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('updating', 'Updating'),
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('failed', 'Failed'),
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('successful', 'Successful'),
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]
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SCM_TYPE_CHOICES = [
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('', _('Manual')),
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('git', _('Git')),
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('hg', _('Mercurial')),
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('svn', _('Subversion')),
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]
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class Meta:
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app_label = 'main'
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# this is not part of the project, but managed with perms
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# inventories = models.ManyToManyField('Inventory', blank=True, related_name='projects')
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# Project files must be available on the server in folders directly
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# beneath the path specified by settings.PROJECTS_ROOT. There is no way
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# via the API to upload/update a project or its playbooks; this must be
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# done by other means for now.
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@classmethod
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def get_local_path_choices(cls):
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if os.path.exists(settings.PROJECTS_ROOT):
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paths = [x for x in os.listdir(settings.PROJECTS_ROOT)
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if os.path.isdir(os.path.join(settings.PROJECTS_ROOT, x))
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and not x.startswith('.') and not x.startswith('_')]
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qs = Project.objects.filter(active=True)
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used_paths = qs.values_list('local_path', flat=True)
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return [x for x in paths if x not in used_paths]
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else:
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return []
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local_path = models.CharField(
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max_length=1024,
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blank=True,
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help_text=_('Local path (relative to PROJECTS_ROOT) containing '
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'playbooks and related files for this project.')
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)
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scm_type = models.CharField(
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max_length=8,
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choices=SCM_TYPE_CHOICES,
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blank=True,
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default='',
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verbose_name=_('SCM Type'),
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)
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scm_url = models.CharField(
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max_length=1024,
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blank=True,
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default='',
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verbose_name=_('SCM URL'),
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)
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scm_branch = models.CharField(
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max_length=256,
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blank=True,
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default='',
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verbose_name=_('SCM Branch'),
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help_text=_('Specific branch, tag or commit to checkout.'),
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)
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scm_clean = models.BooleanField(
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default=False,
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)
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scm_delete_on_update = models.BooleanField(
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default=False,
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)
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scm_delete_on_next_update = models.BooleanField(
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default=False,
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editable=False,
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)
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scm_update_on_launch = models.BooleanField(
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default=False,
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)
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credential = models.ForeignKey(
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'Credential',
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related_name='projects',
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blank=True,
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null=True,
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default=None,
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)
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current_update = models.ForeignKey(
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'ProjectUpdate',
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null=True,
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default=None,
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editable=False,
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related_name='project_as_current_update+',
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)
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last_update = models.ForeignKey(
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'ProjectUpdate',
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null=True,
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default=None,
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editable=False,
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related_name='project_as_last_update+',
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)
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last_update_failed = models.BooleanField(
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default=False,
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editable=False,
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)
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last_updated = models.DateTimeField(
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null=True,
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default=None,
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editable=False,
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)
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status = models.CharField(
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max_length=32,
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choices=PROJECT_STATUS_CHOICES,
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default='ok',
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editable=False,
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null=True, # FIXME: Remove
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)
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def clean_scm_type(self):
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return self.scm_type or ''
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def clean_scm_url(self):
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scm_url = unicode(self.scm_url or '')
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if not self.scm_type:
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return ''
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try:
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scm_url = update_scm_url(self.scm_type, scm_url,
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check_special_cases=False)
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except ValueError, e:
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raise ValidationError((e.args or ('Invalid SCM URL',))[0])
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scm_url_parts = urlparse.urlsplit(scm_url)
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if self.scm_type and not any(scm_url_parts):
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raise ValidationError('SCM URL is required')
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return unicode(self.scm_url or '')
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def clean_credential(self):
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if not self.scm_type:
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return None
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cred = self.credential
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if cred:
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if cred.kind != 'scm':
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raise ValidationError('Credential kind must be "scm"')
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try:
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scm_url = update_scm_url(self.scm_type, self.scm_url,
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check_special_cases=False)
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scm_url_parts = urlparse.urlsplit(scm_url)
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# Prefer the username/password in the URL, if provided.
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scm_username = scm_url_parts.username or cred.username or ''
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if scm_url_parts.password or cred.password:
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scm_password = '********'
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else:
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scm_password = ''
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try:
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update_scm_url(self.scm_type, self.scm_url, scm_username,
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scm_password)
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except ValueError, e:
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raise ValidationError((e.args or ('Invalid credential',))[0])
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except ValueError:
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pass
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return cred
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def save(self, *args, **kwargs):
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new_instance = not bool(self.pk)
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# If update_fields has been specified, add our field names to it,
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# if it hasn't been specified, then we're just doing a normal save.
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update_fields = kwargs.get('update_fields', [])
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# Check if scm_type or scm_url changes.
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if self.pk:
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project_before = Project.objects.get(pk=self.pk)
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if project_before.scm_type != self.scm_type or project_before.scm_url != self.scm_url:
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self.scm_delete_on_next_update = True
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if 'scm_delete_on_next_update' not in update_fields:
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update_fields.append('scm_delete_on_next_update')
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# Create auto-generated local path if project uses SCM.
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if self.pk and self.scm_type and not self.local_path.startswith('_'):
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slug_name = slugify(unicode(self.name)).replace(u'-', u'_')
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self.local_path = u'_%d__%s' % (self.pk, slug_name)
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if 'local_path' not in update_fields:
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update_fields.append('local_path')
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# Update status and last_updated fields.
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updated_fields = self.set_status_and_last_updated(save=False)
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for field in updated_fields:
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if field not in update_fields:
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update_fields.append(field)
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# Do the actual save.
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super(Project, self).save(*args, **kwargs)
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if new_instance:
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update_fields=[]
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# Generate local_path for SCM after initial save (so we have a PK).
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if self.scm_type and not self.local_path.startswith('_'):
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update_fields.append('local_path')
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if update_fields:
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self.save(update_fields=update_fields)
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# If we just created a new project with SCM, start the initial update.
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if new_instance and self.scm_type:
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self.update()
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def set_status_and_last_updated(self, save=True):
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# Determine current status.
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if self.scm_type:
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if self.current_update:
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status = 'updating'
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elif not self.last_update:
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status = 'never updated'
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elif self.last_update_failed:
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status = 'failed'
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elif not self.get_project_path():
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status = 'missing'
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else:
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status = 'successful'
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elif not self.get_project_path():
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status = 'missing'
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else:
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status = 'ok'
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# Determine current last_updated timestamp.
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last_updated = None
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if self.scm_type and self.last_update:
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last_updated = self.last_update.modified
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else:
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project_path = self.get_project_path()
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if project_path:
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try:
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mtime = os.path.getmtime(project_path)
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dt = datetime.datetime.fromtimestamp(mtime)
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last_updated = make_aware(dt, get_default_timezone())
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except os.error:
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pass
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# Update values if changed.
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update_fields = []
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if self.status != status:
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self.status = status
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update_fields.append('status')
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if self.last_updated != last_updated:
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self.last_updated = last_updated
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update_fields.append('last_updated')
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if save and update_fields:
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self.save(update_fields=update_fields)
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return update_fields
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@property
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def can_update(self):
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# FIXME: Prevent update when another one is active!
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return bool(self.scm_type)# and not self.current_update)
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def update_signature(self, **kwargs):
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if self.can_update:
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project_update = self.project_updates.create()
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project_update_sig = project_update.start_signature()
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return (project_update, project_update_sig)
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def update(self, **kwargs):
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if self.can_update:
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project_update = self.project_updates.create()
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project_update.start()
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return project_update
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def get_absolute_url(self):
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return reverse('api:project_detail', args=(self.pk,))
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def get_project_path(self, check_if_exists=True):
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local_path = os.path.basename(self.local_path)
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if local_path and not local_path.startswith('.'):
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proj_path = os.path.join(settings.PROJECTS_ROOT, local_path)
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if not check_if_exists or os.path.exists(proj_path):
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return proj_path
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@property
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def playbooks(self):
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valid_re = re.compile(r'^\s*?-?\s*?(?:hosts|include):\s*?.*?$')
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results = []
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project_path = self.get_project_path()
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if project_path:
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for dirpath, dirnames, filenames in os.walk(project_path):
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for filename in filenames:
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if os.path.splitext(filename)[-1] not in ['.yml', '.yaml']:
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continue
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playbook = os.path.join(dirpath, filename)
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# Filter files that do not have either hosts or top-level
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# includes. Use regex to allow files with invalid YAML to
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# show up.
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matched = False
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try:
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for line in file(playbook):
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if valid_re.match(line):
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matched = True
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except IOError:
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continue
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if not matched:
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continue
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playbook = os.path.relpath(playbook, project_path)
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# Filter files in a roles subdirectory.
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if 'roles' in playbook.split(os.sep):
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continue
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# Filter files in a tasks subdirectory.
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if 'tasks' in playbook.split(os.sep):
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continue
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results.append(playbook)
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return results
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class ProjectUpdate(CommonTask):
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'''
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Internal job for tracking project updates from SCM.
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'''
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class Meta:
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app_label = 'main'
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project = models.ForeignKey(
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'Project',
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related_name='project_updates',
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on_delete=models.CASCADE,
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editable=False,
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)
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def get_absolute_url(self):
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return reverse('api:project_update_detail', args=(self.pk,))
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def _get_parent_instance(self):
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return self.project
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def _get_task_class(self):
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from awx.main.tasks import RunProjectUpdate
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return RunProjectUpdate
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def _update_parent_instance(self):
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parent_instance = self._get_parent_instance()
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if parent_instance:
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if self.status in ('pending', 'waiting', 'running'):
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if parent_instance.current_update != self:
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parent_instance.current_update = self
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parent_instance.save(update_fields=['current_update'])
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elif self.status in ('successful', 'failed', 'error', 'canceled'):
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if parent_instance.current_update == self:
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parent_instance.current_update = None
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parent_instance.last_update = self
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parent_instance.last_update_failed = self.failed
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if not self.failed and parent_instance.scm_delete_on_next_update:
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parent_instance.scm_delete_on_next_update = False
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parent_instance.save(update_fields=['current_update',
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'last_update',
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'last_update_failed',
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'scm_delete_on_next_update'])
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