177 lines
6.5 KiB
Python
177 lines
6.5 KiB
Python
#!/usr/bin/env python3
|
|
# -*- coding: utf-8 -*-
|
|
#
|
|
# 2010-2013 Nico Schottelius (nico-cdist at schottelius.org)
|
|
#
|
|
# This file is part of cdist.
|
|
#
|
|
# cdist 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.
|
|
#
|
|
# cdist 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 cdist. If not, see <http://www.gnu.org/licenses/>.
|
|
#
|
|
#
|
|
|
|
import logging
|
|
import os
|
|
import shutil
|
|
import time
|
|
import pprint
|
|
|
|
import cdist
|
|
from cdist import core
|
|
|
|
class ConfigInstall(object):
|
|
"""Cdist main class to hold arbitrary data"""
|
|
|
|
def __init__(self, context):
|
|
|
|
self.context = context
|
|
self.log = logging.getLogger(self.context.target_host)
|
|
|
|
# Initialise local directory structure
|
|
self.context.local.create_files_dirs()
|
|
# Initialise remote directory structure
|
|
self.context.remote.create_files_dirs()
|
|
|
|
self.explorer = core.Explorer(self.context.target_host, self.context.local, self.context.remote)
|
|
self.manifest = core.Manifest(self.context.target_host, self.context.local)
|
|
self.code = core.Code(self.context.target_host, self.context.local, self.context.remote)
|
|
|
|
# Add switch to disable code execution
|
|
self.dry_run = False
|
|
|
|
def cleanup(self):
|
|
# FIXME: move to local?
|
|
destination = os.path.join(self.context.local.cache_path, self.context.target_host)
|
|
self.log.debug("Saving " + self.context.local.out_path + " to " + destination)
|
|
if os.path.exists(destination):
|
|
shutil.rmtree(destination)
|
|
shutil.move(self.context.local.out_path, destination)
|
|
|
|
def run(self):
|
|
"""Do what is most often done: deploy & cleanup"""
|
|
start_time = time.time()
|
|
|
|
self.explorer.run_global_explorers(self.context.local.global_explorer_out_path)
|
|
self.manifest.run_initial_manifest(self.context.initial_manifest)
|
|
self.iterate_until_finished()
|
|
|
|
self.cleanup()
|
|
self.log.info("Finished successful run in %s seconds", time.time() - start_time)
|
|
|
|
|
|
def object_list(self):
|
|
"""Short name for object list retrieval"""
|
|
for cdist_object in core.CdistObject.list_objects(self.context.local.object_path,
|
|
self.context.local.type_path):
|
|
yield cdist_object
|
|
|
|
def iterate_once(self):
|
|
"""
|
|
Iterate over the objects once - helper method for
|
|
iterate_until_finished
|
|
"""
|
|
objects_changed = False
|
|
|
|
for cdist_object in self.object_list():
|
|
if cdist_object.requirements_unfinished(cdist_object.requirements):
|
|
"""We cannot do anything for this poor object"""
|
|
continue
|
|
|
|
if cdist_object.state == core.CdistObject.STATE_UNDEF:
|
|
"""Prepare the virgin object"""
|
|
|
|
self.object_prepare(cdist_object)
|
|
objects_changed = True
|
|
|
|
if cdist_object.requirements_unfinished(cdist_object.autorequire):
|
|
"""The previous step created objects we depend on - wait for them"""
|
|
continue
|
|
|
|
if cdist_object.state == core.CdistObject.STATE_PREPARED:
|
|
self.object_run(cdist_object)
|
|
objects_changed = True
|
|
|
|
return objects_changed
|
|
|
|
|
|
def iterate_until_finished(self):
|
|
"""
|
|
Go through all objects and solve them
|
|
one after another
|
|
"""
|
|
|
|
objects_changed = True
|
|
|
|
while objects_changed:
|
|
objects_changed = self.iterate_once()
|
|
|
|
# Check whether all objects have been finished
|
|
unfinished_objects = []
|
|
for cdist_object in self.object_list():
|
|
if not cdist_object.state == cdist_object.STATE_DONE:
|
|
unfinished_objects.append(cdist_object)
|
|
|
|
if unfinished_objects:
|
|
info_string = []
|
|
|
|
for cdist_object in unfinished_objects:
|
|
|
|
requirement_names = []
|
|
autorequire_names = []
|
|
|
|
for requirement in cdist_object.requirements_unfinished(cdist_object.requirements):
|
|
requirement_names.append(requirement.name)
|
|
|
|
for requirement in cdist_object.requirements_unfinished(cdist_object.autorequire):
|
|
autorequire_names.append(requirement.name)
|
|
|
|
requirements = ", ".join(requirement_names)
|
|
autorequire = ", ".join(autorequire_names)
|
|
info_string.append("%s requires: %s autorequires: %s" % (cdist_object.name, requirements, autorequire))
|
|
|
|
raise cdist.Error("The requirements of the following objects could not be resolved: %s" %
|
|
("; ".join(info_string)))
|
|
|
|
def object_prepare(self, cdist_object):
|
|
"""Prepare object: Run type explorer + manifest"""
|
|
self.log.info("Running manifest and explorers for " + cdist_object.name)
|
|
self.explorer.run_type_explorers(cdist_object)
|
|
self.manifest.run_type_manifest(cdist_object)
|
|
cdist_object.state = core.CdistObject.STATE_PREPARED
|
|
|
|
def object_run(self, cdist_object, dry_run=False):
|
|
"""Run gencode and code for an object"""
|
|
self.log.debug("Trying to run object " + cdist_object.name)
|
|
if cdist_object.state == core.CdistObject.STATE_DONE:
|
|
raise cdist.Error("Attempting to run an already finished object: %s", cdist_object)
|
|
|
|
cdist_type = cdist_object.cdist_type
|
|
|
|
# Generate
|
|
self.log.info("Generating and executing code for " + cdist_object.name)
|
|
cdist_object.code_local = self.code.run_gencode_local(cdist_object)
|
|
cdist_object.code_remote = self.code.run_gencode_remote(cdist_object)
|
|
if cdist_object.code_local or cdist_object.code_remote:
|
|
cdist_object.changed = True
|
|
|
|
# Execute
|
|
if not dry_run:
|
|
if cdist_object.code_local:
|
|
self.code.run_code_local(cdist_object)
|
|
if cdist_object.code_remote:
|
|
self.code.transfer_code_remote(cdist_object)
|
|
self.code.run_code_remote(cdist_object)
|
|
|
|
# Mark this object as done
|
|
self.log.debug("Finishing run of " + cdist_object.name)
|
|
cdist_object.state = core.CdistObject.STATE_DONE
|