e0a77bb8d5
* Pass the absolute path to dirname when assigning basedir If no path is specified when calling the playbook, os.path.dirname(playbook_path) returns '' This will cause failure when creating the retry file. Fixes #17456 * Updated to use os.pathdirname(os.path.abspath())
289 lines
12 KiB
Python
289 lines
12 KiB
Python
# (c) 2012-2014, Michael DeHaan <michael.dehaan@gmail.com>
|
|
#
|
|
# This file is part of Ansible
|
|
#
|
|
# Ansible is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation, either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# Ansible is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
# Make coding more python3-ish
|
|
from __future__ import (absolute_import, division, print_function)
|
|
__metaclass__ = type
|
|
|
|
import os
|
|
|
|
from ansible import constants as C
|
|
from ansible.executor.task_queue_manager import TaskQueueManager
|
|
from ansible.module_utils._text import to_native, to_text
|
|
from ansible.playbook import Playbook
|
|
from ansible.template import Templar
|
|
from ansible.utils.helpers import pct_to_int
|
|
from ansible.utils.path import makedirs_safe
|
|
from ansible.utils.ssh_functions import check_for_controlpersist
|
|
|
|
try:
|
|
from __main__ import display
|
|
except ImportError:
|
|
from ansible.utils.display import Display
|
|
display = Display()
|
|
|
|
|
|
class PlaybookExecutor:
|
|
|
|
'''
|
|
This is the primary class for executing playbooks, and thus the
|
|
basis for bin/ansible-playbook operation.
|
|
'''
|
|
|
|
def __init__(self, playbooks, inventory, variable_manager, loader, options, passwords):
|
|
self._playbooks = playbooks
|
|
self._inventory = inventory
|
|
self._variable_manager = variable_manager
|
|
self._loader = loader
|
|
self._options = options
|
|
self.passwords = passwords
|
|
self._unreachable_hosts = dict()
|
|
|
|
if options.listhosts or options.listtasks or options.listtags or options.syntax:
|
|
self._tqm = None
|
|
else:
|
|
self._tqm = TaskQueueManager(inventory=inventory, variable_manager=variable_manager, loader=loader, options=options, passwords=self.passwords)
|
|
|
|
# Note: We run this here to cache whether the default ansible ssh
|
|
# executable supports control persist. Sometime in the future we may
|
|
# need to enhance this to check that ansible_ssh_executable specified
|
|
# in inventory is also cached. We can't do this caching at the point
|
|
# where it is used (in task_executor) because that is post-fork and
|
|
# therefore would be discarded after every task.
|
|
check_for_controlpersist(C.ANSIBLE_SSH_EXECUTABLE)
|
|
|
|
def run(self):
|
|
|
|
'''
|
|
Run the given playbook, based on the settings in the play which
|
|
may limit the runs to serialized groups, etc.
|
|
'''
|
|
|
|
result = 0
|
|
entrylist = []
|
|
entry = {}
|
|
try:
|
|
for playbook_path in self._playbooks:
|
|
pb = Playbook.load(playbook_path, variable_manager=self._variable_manager, loader=self._loader)
|
|
self._inventory.set_playbook_basedir(os.path.realpath(os.path.dirname(playbook_path)))
|
|
|
|
if self._tqm is None: # we are doing a listing
|
|
entry = {'playbook': playbook_path}
|
|
entry['plays'] = []
|
|
else:
|
|
# make sure the tqm has callbacks loaded
|
|
self._tqm.load_callbacks()
|
|
self._tqm.send_callback('v2_playbook_on_start', pb)
|
|
|
|
i = 1
|
|
plays = pb.get_plays()
|
|
display.vv(u'%d plays in %s' % (len(plays), to_text(playbook_path)))
|
|
|
|
for play in plays:
|
|
if play._included_path is not None:
|
|
self._loader.set_basedir(play._included_path)
|
|
else:
|
|
self._loader.set_basedir(pb._basedir)
|
|
|
|
# clear any filters which may have been applied to the inventory
|
|
self._inventory.remove_restriction()
|
|
|
|
if play.vars_prompt:
|
|
for var in play.vars_prompt:
|
|
vname = var['name']
|
|
prompt = var.get("prompt", vname)
|
|
default = var.get("default", None)
|
|
private = var.get("private", True)
|
|
confirm = var.get("confirm", False)
|
|
encrypt = var.get("encrypt", None)
|
|
salt_size = var.get("salt_size", None)
|
|
salt = var.get("salt", None)
|
|
|
|
if vname not in self._variable_manager.extra_vars:
|
|
if self._tqm:
|
|
self._tqm.send_callback('v2_playbook_on_vars_prompt', vname, private, prompt, encrypt, confirm, salt_size, salt, default)
|
|
play.vars[vname] = display.do_var_prompt(vname, private, prompt, encrypt, confirm, salt_size, salt, default)
|
|
else: # we are either in --list-<option> or syntax check
|
|
play.vars[vname] = default
|
|
|
|
# Create a temporary copy of the play here, so we can run post_validate
|
|
# on it without the templating changes affecting the original object.
|
|
all_vars = self._variable_manager.get_vars(loader=self._loader, play=play)
|
|
templar = Templar(loader=self._loader, variables=all_vars)
|
|
new_play = play.copy()
|
|
new_play.post_validate(templar)
|
|
|
|
if self._options.syntax:
|
|
continue
|
|
|
|
if self._tqm is None:
|
|
# we are just doing a listing
|
|
entry['plays'].append(new_play)
|
|
|
|
else:
|
|
self._tqm._unreachable_hosts.update(self._unreachable_hosts)
|
|
|
|
previously_failed = len(self._tqm._failed_hosts)
|
|
previously_unreachable = len(self._tqm._unreachable_hosts)
|
|
|
|
break_play = False
|
|
# we are actually running plays
|
|
for batch in self._get_serialized_batches(new_play):
|
|
if len(batch) == 0:
|
|
self._tqm.send_callback('v2_playbook_on_play_start', new_play)
|
|
self._tqm.send_callback('v2_playbook_on_no_hosts_matched')
|
|
break
|
|
|
|
# restrict the inventory to the hosts in the serialized batch
|
|
self._inventory.restrict_to_hosts(batch)
|
|
# and run it...
|
|
result = self._tqm.run(play=play)
|
|
|
|
# break the play if the result equals the special return code
|
|
if result & self._tqm.RUN_FAILED_BREAK_PLAY != 0:
|
|
result = self._tqm.RUN_FAILED_HOSTS
|
|
break_play = True
|
|
|
|
# check the number of failures here, to see if they're above the maximum
|
|
# failure percentage allowed, or if any errors are fatal. If either of those
|
|
# conditions are met, we break out, otherwise we only break out if the entire
|
|
# batch failed
|
|
failed_hosts_count = len(self._tqm._failed_hosts) + len(self._tqm._unreachable_hosts) - \
|
|
(previously_failed + previously_unreachable)
|
|
|
|
if len(batch) == failed_hosts_count:
|
|
break_play = True
|
|
break
|
|
|
|
# update the previous counts so they don't accumulate incorrectly
|
|
# over multiple serial batches
|
|
previously_failed += len(self._tqm._failed_hosts) - previously_failed
|
|
previously_unreachable += len(self._tqm._unreachable_hosts) - previously_unreachable
|
|
|
|
# save the unreachable hosts from this batch
|
|
self._unreachable_hosts.update(self._tqm._unreachable_hosts)
|
|
|
|
if break_play:
|
|
break
|
|
|
|
i = i + 1 # per play
|
|
|
|
if entry:
|
|
entrylist.append(entry) # per playbook
|
|
|
|
# send the stats callback for this playbook
|
|
if self._tqm is not None:
|
|
if C.RETRY_FILES_ENABLED:
|
|
retries = set(self._tqm._failed_hosts.keys())
|
|
retries.update(self._tqm._unreachable_hosts.keys())
|
|
retries = sorted(retries)
|
|
if len(retries) > 0:
|
|
if C.RETRY_FILES_SAVE_PATH:
|
|
basedir = C.shell_expand(C.RETRY_FILES_SAVE_PATH)
|
|
elif playbook_path:
|
|
basedir = os.path.dirname(os.path.abspath(playbook_path))
|
|
else:
|
|
basedir = '~/'
|
|
|
|
(retry_name, _) = os.path.splitext(os.path.basename(playbook_path))
|
|
filename = os.path.join(basedir, "%s.retry" % retry_name)
|
|
if self._generate_retry_inventory(filename, retries):
|
|
display.display("\tto retry, use: --limit @%s\n" % filename)
|
|
|
|
self._tqm.send_callback('v2_playbook_on_stats', self._tqm._stats)
|
|
|
|
# if the last result wasn't zero, break out of the playbook file name loop
|
|
if result != 0:
|
|
break
|
|
|
|
if entrylist:
|
|
return entrylist
|
|
|
|
finally:
|
|
if self._tqm is not None:
|
|
self._tqm.cleanup()
|
|
if self._loader:
|
|
self._loader.cleanup_all_tmp_files()
|
|
|
|
if self._options.syntax:
|
|
display.display("No issues encountered")
|
|
return result
|
|
|
|
return result
|
|
|
|
def _get_serialized_batches(self, play):
|
|
'''
|
|
Returns a list of hosts, subdivided into batches based on
|
|
the serial size specified in the play.
|
|
'''
|
|
|
|
# make sure we have a unique list of hosts
|
|
all_hosts = self._inventory.get_hosts(play.hosts)
|
|
all_hosts_len = len(all_hosts)
|
|
|
|
# the serial value can be listed as a scalar or a list of
|
|
# scalars, so we make sure it's a list here
|
|
serial_batch_list = play.serial
|
|
if len(serial_batch_list) == 0:
|
|
serial_batch_list = [-1]
|
|
|
|
cur_item = 0
|
|
serialized_batches = []
|
|
|
|
while len(all_hosts) > 0:
|
|
# get the serial value from current item in the list
|
|
serial = pct_to_int(serial_batch_list[cur_item], all_hosts_len)
|
|
|
|
# if the serial count was not specified or is invalid, default to
|
|
# a list of all hosts, otherwise grab a chunk of the hosts equal
|
|
# to the current serial item size
|
|
if serial <= 0:
|
|
serialized_batches.append(all_hosts)
|
|
break
|
|
else:
|
|
play_hosts = []
|
|
for x in range(serial):
|
|
if len(all_hosts) > 0:
|
|
play_hosts.append(all_hosts.pop(0))
|
|
|
|
serialized_batches.append(play_hosts)
|
|
|
|
# increment the current batch list item number, and if we've hit
|
|
# the end keep using the last element until we've consumed all of
|
|
# the hosts in the inventory
|
|
cur_item += 1
|
|
if cur_item > len(serial_batch_list) - 1:
|
|
cur_item = len(serial_batch_list) - 1
|
|
|
|
return serialized_batches
|
|
|
|
def _generate_retry_inventory(self, retry_path, replay_hosts):
|
|
'''
|
|
Called when a playbook run fails. It generates an inventory which allows
|
|
re-running on ONLY the failed hosts. This may duplicate some variable
|
|
information in group_vars/host_vars but that is ok, and expected.
|
|
'''
|
|
try:
|
|
makedirs_safe(os.path.dirname(retry_path))
|
|
with open(retry_path, 'w') as fd:
|
|
for x in replay_hosts:
|
|
fd.write("%s\n" % x)
|
|
except Exception as e:
|
|
display.warning("Could not create retry file '%s'.\n\t%s" % (retry_path, to_native(e)))
|
|
return False
|
|
|
|
return True
|