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484 lines
19 KiB
484 lines
19 KiB
import json
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import logging
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import os
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import uuid
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from collections import defaultdict
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from datetime import timedelta
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from celery import current_task
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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 Q
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from django.utils import timezone
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from django.utils.translation import gettext_lazy as _
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__all__ = ["Job", "JobExecution", "JMSPermedInventory"]
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from simple_history.models import HistoricalRecords
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from accounts.models import Account
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from acls.models import CommandFilterACL
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from assets.models import Asset
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from ops.ansible import JMSInventory, AdHocRunner, PlaybookRunner, CommandInBlackListException
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from ops.mixin import PeriodTaskModelMixin
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from ops.variables import *
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from ops.const import Types, Modules, RunasPolicies, JobStatus
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from orgs.mixins.models import JMSOrgBaseModel
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from perms.models import AssetPermission
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from perms.utils import UserPermAssetUtil
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from terminal.notifications import CommandExecutionAlert
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from terminal.notifications import CommandWarningMessage
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from terminal.const import RiskLevelChoices
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def get_parent_keys(key, include_self=True):
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keys = []
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split_keys = key.split(':')
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for i in range(len(split_keys)):
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keys.append(':'.join(split_keys[:i + 1]))
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if not include_self:
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keys.pop()
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return keys
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class JMSPermedInventory(JMSInventory):
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def __init__(self, assets, account_policy='privileged_first',
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account_prefer='root,Administrator', host_callback=None, exclude_localhost=False, user=None):
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super().__init__(assets, account_policy, account_prefer, host_callback, exclude_localhost)
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self.user = user
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self.assets_accounts_mapper = self.get_assets_accounts_mapper()
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def get_asset_sorted_accounts(self, asset):
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accounts = self.assets_accounts_mapper.get(asset.id, [])
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return list(accounts)
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def get_assets_accounts_mapper(self):
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mapper = defaultdict(set)
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asset_ids = self.assets.values_list('id', flat=True)
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asset_node_keys = Asset.nodes.through.objects \
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.filter(asset_id__in=asset_ids) \
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.values_list('asset_id', 'node__key')
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node_asset_map = defaultdict(set)
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for asset_id, node_key in asset_node_keys:
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all_keys = get_parent_keys(node_key)
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for key in all_keys:
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node_asset_map[key].add(asset_id)
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groups = self.user.groups.all()
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perms = AssetPermission.objects \
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.filter(date_expired__gte=timezone.now()) \
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.filter(is_active=True) \
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.filter(Q(users=self.user) | Q(user_groups__in=groups)) \
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.filter(Q(assets__in=asset_ids) | Q(nodes__key__in=node_asset_map.keys())) \
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.values_list('assets', 'nodes__key', 'accounts')
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asset_permed_accounts_mapper = defaultdict(set)
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for asset_id, node_key, accounts in perms:
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if asset_id in asset_ids:
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asset_permed_accounts_mapper[asset_id].update(accounts)
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for my_asset in node_asset_map[node_key]:
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asset_permed_accounts_mapper[my_asset].update(accounts)
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accounts = Account.objects.filter(asset__in=asset_ids)
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for account in accounts:
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if account.asset_id not in asset_permed_accounts_mapper:
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continue
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permed_usernames = asset_permed_accounts_mapper[account.asset_id]
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if "@ALL" in permed_usernames or account.username in permed_usernames:
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mapper[account.asset_id].add(account)
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return mapper
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class Job(JMSOrgBaseModel, PeriodTaskModelMixin):
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name = models.CharField(max_length=128, null=True, verbose_name=_('Name'))
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instant = models.BooleanField(default=False)
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args = models.CharField(max_length=8192, default='', verbose_name=_('Args'), null=True, blank=True)
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module = models.CharField(max_length=128, choices=Modules.choices, default=Modules.shell, verbose_name=_('Module'),
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null=True)
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chdir = models.CharField(default="", max_length=1024, verbose_name=_('Chdir'), null=True, blank=True)
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timeout = models.IntegerField(default=-1, verbose_name=_('Timeout (Seconds)'))
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playbook = models.ForeignKey('ops.Playbook', verbose_name=_("Playbook"), null=True, on_delete=models.SET_NULL)
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type = models.CharField(max_length=128, choices=Types.choices, default=Types.adhoc, verbose_name=_("Type"))
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creator = models.ForeignKey('users.User', verbose_name=_("Creator"), on_delete=models.SET_NULL, null=True)
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assets = models.ManyToManyField('assets.Asset', verbose_name=_("Assets"))
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use_parameter_define = models.BooleanField(default=False, verbose_name=(_('Use Parameter Define')))
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parameters_define = models.JSONField(default=dict, verbose_name=_('Parameters define'))
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runas = models.CharField(max_length=128, default='root', verbose_name=_('Runas'))
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runas_policy = models.CharField(max_length=128, choices=RunasPolicies.choices, default=RunasPolicies.skip,
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verbose_name=_('Runas policy'))
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comment = models.CharField(max_length=1024, default='', verbose_name=_('Comment'), null=True, blank=True)
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version = models.IntegerField(default=0)
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history = HistoricalRecords()
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def __str__(self):
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return self.name
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def get_history(self, version):
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return self.history.filter(version=version).first()
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@property
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def last_execution(self):
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return self.executions.first()
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@property
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def date_last_run(self):
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return self.last_execution.date_created if self.last_execution else None
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@property
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def summary(self):
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summary = {
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"total": 0,
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"success": 0,
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}
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for execution in self.executions.all():
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summary["total"] += 1
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if execution.is_success:
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summary["success"] += 1
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return summary
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@property
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def average_time_cost(self):
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total_cost = 0
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finished_count = self.executions.filter(status__in=['success', 'failed']).count()
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for execution in self.executions.filter(status__in=['success', 'failed']).all():
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total_cost += execution.time_cost
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return total_cost / finished_count if finished_count else 0
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def get_register_task(self):
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from ..tasks import run_ops_job
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name = "run_ops_job_period_{}".format(str(self.id)[:8])
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task = run_ops_job.name
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args = (str(self.id),)
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kwargs = {}
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return name, task, args, kwargs
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@property
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def inventory(self):
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return JMSPermedInventory(self.assets.all(), self.runas_policy, self.runas, user=self.creator)
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@property
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def material(self):
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if self.type == 'adhoc':
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return "{}:{}".format(self.module, self.args)
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if self.type == 'playbook':
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return "{}:{}:{}".format(self.org.name, self.creator.name, self.playbook.name)
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def create_execution(self):
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return self.executions.create(job_version=self.version, material=self.material, job_type=Types[self.type].value)
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class Meta:
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verbose_name = _("Job")
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unique_together = [('name', 'org_id', 'creator')]
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ordering = ['date_created']
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zombie_task_exception = Exception(
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'This task has been marked as a zombie task because it has not updated its status for too long')
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class JobExecution(JMSOrgBaseModel):
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id = models.UUIDField(default=uuid.uuid4, primary_key=True)
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task_id = models.UUIDField(null=True)
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status = models.CharField(max_length=16, verbose_name=_('Status'), default=JobStatus.running)
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job = models.ForeignKey(Job, on_delete=models.SET_NULL, related_name='executions', null=True)
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job_version = models.IntegerField(default=0)
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parameters = models.JSONField(default=dict, verbose_name=_('Parameters'))
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result = models.JSONField(blank=True, null=True, verbose_name=_('Result'))
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summary = models.JSONField(default=dict, verbose_name=_('Summary'))
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creator = models.ForeignKey('users.User', verbose_name=_("Creator"), on_delete=models.SET_NULL, null=True)
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date_created = models.DateTimeField(auto_now_add=True, verbose_name=_('Date created'))
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date_start = models.DateTimeField(null=True, verbose_name=_('Date start'), db_index=True)
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date_finished = models.DateTimeField(null=True, verbose_name=_("Date finished"))
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material = models.CharField(max_length=8192, default='', verbose_name=_('Material'), null=True, blank=True)
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job_type = models.CharField(max_length=128, choices=Types.choices, default=Types.adhoc,
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verbose_name=_("Material Type"))
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# clean up zombie execution
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@classmethod
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def clean_unexpected_execution(cls):
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for execution in cls.objects.filter(status__in=[JobStatus.running]).all():
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if execution.date_created < (timezone.now() - timedelta(hours=3)):
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execution.set_error(zombie_task_exception)
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@property
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def current_job(self):
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if self.job.version != self.job_version:
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return self.job.get_history(self.job_version)
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return self.job
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@property
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def assent_result_detail(self):
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if not self.is_finished or self.summary.get('error'):
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return None
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result = {
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"summary": self.summary,
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"detail": [],
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}
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for asset in self.current_job.assets.all():
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asset_detail = {
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"name": asset.name,
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"status": "ok",
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"tasks": [],
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}
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if self.summary.get("excludes", None) and self.summary["excludes"].get(asset.name, None):
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asset_detail.update({"status": "excludes"})
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result["detail"].append(asset_detail)
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break
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if self.result["dark"].get(asset.name, None):
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asset_detail.update({"status": "failed"})
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for key, task in self.result["dark"][asset.name].items():
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task_detail = {"name": key,
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"output": "{}{}".format(task.get("stdout", ""), task.get("stderr", ""))}
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asset_detail["tasks"].append(task_detail)
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if self.result["failures"].get(asset.name, None):
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asset_detail.update({"status": "failed"})
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for key, task in self.result["failures"][asset.name].items():
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task_detail = {"name": key,
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"output": "{}{}".format(task.get("stdout", ""), task.get("stderr", ""))}
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asset_detail["tasks"].append(task_detail)
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if self.result["ok"].get(asset.name, None):
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for key, task in self.result["ok"][asset.name].items():
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task_detail = {"name": key,
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"output": "{}{}".format(task.get("stdout", ""), task.get("stderr", ""))}
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asset_detail["tasks"].append(task_detail)
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result["detail"].append(asset_detail)
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return result
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def compile_shell(self):
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if self.current_job.type != 'adhoc':
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return
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module = self.current_job.module
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# replace win_shell
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if module == 'win_shell':
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module = 'ansible.windows.win_shell'
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if self.current_job.module in ['python']:
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module = "shell"
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shell = self.current_job.args
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if self.current_job.chdir:
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if module == "shell":
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shell += " chdir={}".format(self.current_job.chdir)
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if self.current_job.module in ['python']:
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shell += " executable={}".format(self.current_job.module)
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return module, shell
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def get_runner(self):
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inv = self.current_job.inventory
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inv.write_to_file(self.inventory_path)
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self.summary = self.result = {"excludes": {}}
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if len(inv.exclude_hosts) > 0:
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self.summary.update({"excludes": inv.exclude_hosts})
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self.result.update({"excludes": inv.exclude_hosts})
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self.save()
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if isinstance(self.parameters, str):
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extra_vars = json.loads(self.parameters)
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else:
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extra_vars = {}
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static_variables = self.gather_static_variables()
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extra_vars.update(static_variables)
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if self.current_job.type == 'adhoc':
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module, args = self.compile_shell()
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runner = AdHocRunner(
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self.inventory_path,
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module,
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timeout=self.current_job.timeout,
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module_args=args,
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pattern="all",
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project_dir=self.private_dir,
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extra_vars=extra_vars,
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)
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elif self.current_job.type == 'playbook':
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runner = PlaybookRunner(
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self.inventory_path, self.current_job.playbook.entry
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)
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else:
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raise Exception("unsupported job type")
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return runner
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def gather_static_variables(self):
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default = {
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JMS_JOB_ID: str(self.current_job.id),
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JMS_JOB_NAME: self.current_job.name,
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}
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if self.creator:
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default.update({JMS_USERNAME: self.creator.username})
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return default
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@property
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def short_id(self):
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return str(self.id).split('-')[-1]
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@property
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def time_cost(self):
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if not self.date_start:
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return 0
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if self.is_finished:
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return (self.date_finished - self.date_start).total_seconds()
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return (timezone.now() - self.date_start).total_seconds()
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@property
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def timedelta(self):
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if self.date_start and self.date_finished:
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return self.date_finished - self.date_start
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return None
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@property
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def is_finished(self):
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return self.status in [JobStatus.success, JobStatus.failed, JobStatus.timeout]
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@property
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def is_success(self):
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return self.status == JobStatus.success
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@property
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def inventory_path(self):
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return os.path.join(self.private_dir, 'inventory', 'hosts')
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@property
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def private_dir(self):
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uniq = self.date_created.strftime('%Y%m%d_%H%M%S') + '_' + self.short_id
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job_name = self.current_job.name if self.current_job.name else 'instant'
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return os.path.join(settings.ANSIBLE_DIR, job_name, uniq)
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def set_error(self, error):
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this = self.__class__.objects.get(id=self.id) # 重新获取一次，避免数据库超时连接超时
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this.status = JobStatus.failed
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this.summary.update({'error': str(error)})
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this.finish_task()
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def set_result(self, cb):
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status_mapper = {
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'successful': JobStatus.success,
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}
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this = self.__class__.objects.get(id=self.id)
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this.status = status_mapper.get(cb.status, cb.status)
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this.summary.update(cb.summary)
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if this.result:
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this.result.update(cb.result)
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else:
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this.result = cb.result
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this.finish_task()
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def finish_task(self):
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self.date_finished = timezone.now()
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self.save(update_fields=['result', 'status', 'summary', 'date_finished'])
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def set_celery_id(self):
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if not current_task:
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return
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task_id = current_task.request.root_id
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self.task_id = task_id
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def match_command_group(self, acl, asset):
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for cg in acl.command_groups.all():
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matched, __ = cg.match(self.current_job.args)
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if matched:
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if acl.is_action(CommandFilterACL.ActionChoices.accept):
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return True
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elif acl.is_action(CommandFilterACL.ActionChoices.reject) or acl.is_action(
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CommandFilterACL.ActionChoices.review):
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print("\033[31mcommand \'{}\' on asset {}({}) is rejected by acl {}\033[0m"
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.format(self.current_job.args, asset.name, asset.address, acl))
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CommandExecutionAlert({
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"assets": self.current_job.assets.all(),
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"input": self.material,
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"risk_level": 5,
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"user": self.creator,
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}).publish_async()
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raise Exception("command is rejected by ACL")
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elif acl.is_action(CommandFilterACL.ActionChoices.warning):
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user = self.creator
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command = {
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'input': self.material,
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'user': user.name,
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'_user_id': user.id,
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'asset': asset.name,
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'_asset_id': asset.id,
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'_account': self.current_job.runas,
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'_cmd_filter_acl': acl,
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'_cmd_group': cg,
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'session': '',
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'_risk_level': RiskLevelChoices.warning.label,
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'org_id': self.org.id,
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'_org_name': self.org.name or self.org.id,
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}
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CommandWarningMessage(user, command).publish_async()
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return True
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return False
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def check_command_acl(self):
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for asset in self.current_job.assets.all():
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acls = CommandFilterACL.filter_queryset(
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user=self.creator,
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asset=asset,
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is_active=True,
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account_username=self.current_job.runas)
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for acl in acls:
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if self.match_command_group(acl, asset):
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break
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def check_danger_keywords(self):
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lines = self.job.playbook.check_dangerous_keywords()
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if len(lines) > 0:
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for line in lines:
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print('\033[31mThe {} line of the file \'{}\' contains the '
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'dangerous keyword \'{}\'\033[0m'.format(line['line'], line['file'], line['keyword']))
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raise Exception("Playbook contains dangerous keywords")
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def check_assets_perms(self):
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all_permed_assets = UserPermAssetUtil(self.creator).get_all_assets()
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has_permed_assets = set(self.current_job.assets.all()) & set(all_permed_assets)
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error_assets_count = 0
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for asset in self.current_job.assets.all():
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if asset not in has_permed_assets:
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print("\033[31mAsset {}({}) has no access permission\033[0m".format(asset.name, asset.address))
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error_assets_count += 1
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if error_assets_count > 0:
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raise Exception("You do not have access rights to {} assets".format(error_assets_count))
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def before_start(self):
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self.check_assets_perms()
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if self.current_job.type == 'playbook':
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self.check_danger_keywords()
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if self.current_job.type == 'adhoc':
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self.check_command_acl()
|
|
|
|
def start(self, **kwargs):
|
|
self.date_start = timezone.now()
|
|
self.set_celery_id()
|
|
self.save()
|
|
self.before_start()
|
|
|
|
runner = self.get_runner()
|
|
try:
|
|
cb = runner.run(**kwargs)
|
|
self.set_result(cb)
|
|
return cb
|
|
except CommandInBlackListException as e:
|
|
print(e)
|
|
self.set_error(e)
|
|
except Exception as e:
|
|
logging.error(e, exc_info=True)
|
|
self.set_error(e)
|
|
|
|
class Meta:
|
|
verbose_name = _("Job Execution")
|
|
ordering = ['-date_created']
|