forked from ungleich-public/cdist
290 lines
11 KiB
Python
290 lines
11 KiB
Python
# -*- coding: utf-8 -*-
|
|
#
|
|
# 2010-2011 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 sys
|
|
import tempfile
|
|
|
|
# Hardcoded paths usually not changable
|
|
REMOTE_BASE_DIR = "/var/lib/cdist"
|
|
REMOTE_CONF_DIR = os.path.join(REMOTE_BASE_DIR, "conf")
|
|
REMOTE_OBJECT_DIR = os.path.join(REMOTE_BASE_DIR, "object")
|
|
REMOTE_TYPE_DIR = os.path.join(REMOTE_CONF_DIR, "type")
|
|
REMOTE_GLOBAL_EXPLORER_DIR = os.path.join(REMOTE_CONF_DIR, "explorer")
|
|
|
|
DOT_CDIST = ".cdist"
|
|
|
|
log = logging.getLogger(__name__)
|
|
|
|
import cdist.exec
|
|
|
|
def file_to_list(filename):
|
|
"""Return list from \n seperated file"""
|
|
if os.path.isfile(filename):
|
|
file_fd = open(filename, "r")
|
|
lines = file_fd.readlines()
|
|
file_fd.close()
|
|
|
|
# Remove \n from all lines
|
|
lines = map(lambda s: s.strip(), lines)
|
|
else:
|
|
lines = []
|
|
|
|
return lines
|
|
|
|
class Path:
|
|
"""Class that handles path related configurations"""
|
|
|
|
def __init__(self,
|
|
target_host,
|
|
remote_user,
|
|
remote_prefix,
|
|
initial_manifest=False,
|
|
base_dir=None,
|
|
debug=False):
|
|
|
|
# Base and Temp Base
|
|
if base_dir:
|
|
self.base_dir = base_dir
|
|
else:
|
|
self.base_dir = os.path.abspath(os.path.join(os.path.dirname(__file__), os.pardir, os.pardir))
|
|
|
|
self.temp_dir = tempfile.mkdtemp()
|
|
self.target_host = target_host
|
|
|
|
self.remote_user = remote_user
|
|
self.remote_prefix = remote_prefix
|
|
|
|
self.conf_dir = os.path.join(self.base_dir, "conf")
|
|
self.cache_base_dir = os.path.join(self.base_dir, "cache")
|
|
self.cache_dir = os.path.join(self.cache_base_dir, target_host)
|
|
self.global_explorer_dir = os.path.join(self.conf_dir, "explorer")
|
|
self.lib_dir = os.path.join(self.base_dir, "lib")
|
|
self.manifest_dir = os.path.join(self.conf_dir, "manifest")
|
|
self.type_base_dir = os.path.join(self.conf_dir, "type")
|
|
|
|
self.out_dir = os.path.join(self.temp_dir, "out")
|
|
os.mkdir(self.out_dir)
|
|
|
|
self.global_explorer_out_dir = os.path.join(self.out_dir, "explorer")
|
|
os.mkdir(self.global_explorer_out_dir)
|
|
|
|
self.object_base_dir = os.path.join(self.out_dir, "object")
|
|
|
|
# Setup binary directory + contents
|
|
self.bin_dir = os.path.join(self.out_dir, "bin")
|
|
os.mkdir(self.bin_dir)
|
|
self.link_type_to_emulator()
|
|
|
|
# List of type explorers transferred
|
|
self.type_explorers_transferred = {}
|
|
|
|
# objects
|
|
self.objects_prepared = []
|
|
|
|
# Mostly static, but can be overwritten on user demand
|
|
if initial_manifest:
|
|
self.initial_manifest = initial_manifest
|
|
else:
|
|
self.initial_manifest = os.path.join(self.manifest_dir, "init")
|
|
|
|
def cleanup(self):
|
|
# Do not use in __del__:
|
|
# http://docs.python.org/reference/datamodel.html#customization
|
|
# "other globals referenced by the __del__() method may already have been deleted
|
|
# or in the process of being torn down (e.g. the import machinery shutting down)"
|
|
#
|
|
log.debug("Saving" + self.temp_dir + "to " + self.cache_dir)
|
|
# Remove previous cache
|
|
if os.path.exists(self.cache_dir):
|
|
shutil.rmtree(self.cache_dir)
|
|
shutil.move(self.temp_dir, self.cache_dir)
|
|
|
|
|
|
def remote_mkdir(self, directory):
|
|
"""Create directory on remote side"""
|
|
cdist.exec.run_or_fail(["mkdir", "-p", directory], remote_prefix=self.remote_prefix)
|
|
|
|
def remote_cat(filename):
|
|
"""Use cat on the remote side for output"""
|
|
cdist.exec.run_or_fail(["cat", filename], remote_prefix=self.remote_prefix)
|
|
|
|
def remove_remote_dir(self, destination):
|
|
cdist.exec.run_or_fail(["rm", "-rf", destination], remote_prefix=self.remote_prefix)
|
|
|
|
def transfer_dir(self, source, destination):
|
|
"""Transfer directory and previously delete the remote destination"""
|
|
self.remove_remote_dir(destination)
|
|
cdist.exec.run_or_fail(["scp", "-qr", source,
|
|
self.remote_user + "@" +
|
|
self.target_host + ":" +
|
|
destination])
|
|
|
|
def transfer_file(self, source, destination):
|
|
"""Transfer file"""
|
|
cdist.exec.run_or_fail(["scp", "-q", source,
|
|
self.remote_user + "@" +
|
|
self.target_host + ":" +
|
|
destination])
|
|
|
|
def global_explorer_output_path(self, explorer):
|
|
"""Returns path of the output for a global explorer"""
|
|
return os.path.join(self.global_explorer_out_dir, explorer)
|
|
|
|
def type_explorer_output_dir(self, cdist_object):
|
|
"""Returns and creates dir of the output for a type explorer"""
|
|
dir = os.path.join(self.object_dir(cdist_object), "explorer")
|
|
if not os.path.isdir(dir):
|
|
os.mkdir(dir)
|
|
|
|
return dir
|
|
|
|
def remote_global_explorer_path(self, explorer):
|
|
"""Returns path to the remote explorer"""
|
|
return os.path.join(REMOTE_GLOBAL_EXPLORER_DIR, explorer)
|
|
|
|
def list_global_explorers(self):
|
|
"""Return list of available explorers"""
|
|
return os.listdir(self.global_explorer_dir)
|
|
|
|
def list_type_explorers(self, type):
|
|
"""Return list of available explorers for a specific type"""
|
|
dir = self.type_dir(type, "explorer")
|
|
if os.path.isdir(dir):
|
|
list = os.listdir(dir)
|
|
else:
|
|
list = []
|
|
|
|
log.debug("Explorers for %s in %s: %s", type, dir, list)
|
|
|
|
return list
|
|
|
|
def list_types(self):
|
|
return os.listdir(self.type_base_dir)
|
|
|
|
def list_object_paths(self, starting_point):
|
|
"""Return list of paths of existing objects"""
|
|
object_paths = []
|
|
|
|
for content in os.listdir(starting_point):
|
|
full_path = os.path.join(starting_point, content)
|
|
if os.path.isdir(full_path):
|
|
object_paths.extend(self.list_object_paths(starting_point = full_path))
|
|
|
|
# Directory contains .cdist -> is an object
|
|
if content == DOT_CDIST:
|
|
object_paths.append(starting_point)
|
|
|
|
return object_paths
|
|
|
|
# FIXME
|
|
def get_type_from_object(self, cdist_object):
|
|
"""Returns the first part (i.e. type) of an object"""
|
|
return cdist_object.split(os.sep)[0]
|
|
|
|
def get_object_id_from_object(self, cdist_object):
|
|
"""Returns everything but the first part (i.e. object_id) of an object"""
|
|
return os.sep.join(cdist_object.split(os.sep)[1:])
|
|
|
|
def object_dir(self, cdist_object):
|
|
"""Returns the full path to the object (including .cdist)"""
|
|
return os.path.join(self.object_base_dir, cdist_object, DOT_CDIST)
|
|
|
|
def remote_object_dir(self, cdist_object):
|
|
"""Returns the remote full path to the object (including .cdist)"""
|
|
return os.path.join(REMOTE_OBJECT_DIR, cdist_object, DOT_CDIST)
|
|
|
|
def object_parameter_dir(self, cdist_object):
|
|
"""Returns the dir to the object parameter"""
|
|
return os.path.join(self.object_dir(cdist_object), "parameter")
|
|
|
|
def remote_object_parameter_dir(self, cdist_object):
|
|
"""Returns the remote dir to the object parameter"""
|
|
return os.path.join(self.remote_object_dir(cdist_object), "parameter")
|
|
|
|
def object_code_paths(self, cdist_object):
|
|
"""Return paths to code scripts of object"""
|
|
return [os.path.join(self.object_dir(cdist_object), "code-local"),
|
|
os.path.join(self.object_dir(cdist_object), "code-remote")]
|
|
|
|
def list_objects(self):
|
|
"""Return list of existing objects"""
|
|
|
|
objects = []
|
|
if os.path.isdir(self.object_base_dir):
|
|
object_paths = self.list_object_paths(self.object_base_dir)
|
|
|
|
for path in object_paths:
|
|
objects.append(os.path.relpath(path, self.object_base_dir))
|
|
|
|
return objects
|
|
|
|
def type_dir(self, type, *args):
|
|
"""Return directory the type"""
|
|
return os.path.join(self.type_base_dir, type, *args)
|
|
|
|
def remote_type_explorer_dir(self, type):
|
|
"""Return remote directory that holds the explorers of a type"""
|
|
return os.path.join(REMOTE_TYPE_DIR, type, "explorer")
|
|
|
|
def transfer_object_parameter(self, cdist_object):
|
|
"""Transfer the object parameter to the remote destination"""
|
|
# Create base path before using mkdir -p
|
|
self.remote_mkdir(self.remote_object_parameter_dir(cdist_object))
|
|
|
|
# Synchronise parameter dir afterwards
|
|
self.transfer_dir(self.object_parameter_dir(cdist_object),
|
|
self.remote_object_parameter_dir(cdist_object))
|
|
|
|
def transfer_global_explorers(self):
|
|
"""Transfer the global explorers"""
|
|
self.remote_mkdir(REMOTE_GLOBAL_EXPLORER_DIR)
|
|
self.transfer_dir(self.global_explorer_dir, REMOTE_GLOBAL_EXPLORER_DIR)
|
|
|
|
def transfer_type_explorers(self, type):
|
|
"""Transfer explorers of a type, but only once"""
|
|
if type in self.type_explorers_transferred:
|
|
log.debug("Skipping retransfer for explorers of %s", type)
|
|
return
|
|
else:
|
|
# Do not retransfer
|
|
self.type_explorers_transferred[type] = 1
|
|
|
|
src = self.type_dir(type, "explorer")
|
|
remote_base = os.path.join(REMOTE_TYPE_DIR, type)
|
|
dst = self.remote_type_explorer_dir(type)
|
|
|
|
# Only continue, if there is at least the directory
|
|
if os.path.isdir(src):
|
|
# Ensure that the path exists
|
|
self.remote_mkdir(remote_base)
|
|
self.transfer_dir(src, dst)
|
|
|
|
|
|
def link_type_to_emulator(self):
|
|
"""Link type names to cdist-type-emulator"""
|
|
source = os.path.abspath(sys.argv[0])
|
|
for type in self.list_types():
|
|
destination = os.path.join(self.bin_dir, type)
|
|
log.debug("Linking %s to %s", source, destination)
|
|
os.symlink(source, destination)
|