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cdist
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Merge remote-tracking branch 'telmich/master' 

Conflicts:
	lib/cdist/core/explorer.py
	lib/cdist/emulator.py

Signed-off-by: Steven Armstrong <steven@icarus.ethz.ch>
This commit is contained in:
Steven Armstrong 2011-10-15 10:51:08 +02:00
parent 889e6c23cb ee1c568c7b
commit b8b9719cc6
7 changed files with 142 additions and 175 deletions
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7
bin/cdist
View File

@ -145,6 +145,10 @@ def configinstall(args, mode):
log.info("Total processing time for %s host(s): %s", len(args.host),
(time_end - time_start))
def emulator():
"""Prepare and run emulator"""
emulator = cdist.emulator.Emulator(sys.argv)
emulator.run()
if __name__ == "__main__":
try:
@ -152,7 +156,8 @@ if __name__ == "__main__":
if re.match(TYPE_PREFIX, os.path.basename(sys.argv[0])):
import cdist.emulator
cdist.emulator.run(sys.argv)
emulator()
else:
import cdist.banner
import cdist.config

4
lib/cdist/config_install.py
View File

@ -70,8 +70,8 @@ class ConfigInstall(object):
start_time = time.time()
self.deploy_to()
self.cleanup()
self.log.info("Finished run of %s in %s seconds",
self.context.target_host, time.time() - start_time)
self.log.info("Finished run in %s seconds",
time.time() - start_time)
def stage_prepare(self):
"""Do everything for a deploy, minus the actual code stage"""

8
lib/cdist/core/explorer.py
View File

@ -25,9 +25,6 @@ import os
import cdist
log = logging.getLogger(__name__)
'''
common:
runs only remotely, needs local and remote to construct paths
@ -67,13 +64,16 @@ class Explorer(object):
"""
def __init__(self, target_host, local, remote):
self.target_host = target_host
self.log = logging.getLogger(target_host)
self.local = local
self.remote = remote
self.env = {
'__target_host': self.target_host,
'__explorer': self.remote.global_explorer_path,
}
if log.getEffectiveLevel() == logging.DEBUG:
if self.log.getEffectiveLevel() == logging.DEBUG:
self.env.update({'__debug': "yes" })
self._type_explorers_transferred = []

10
lib/cdist/core/manifest.py
View File

@ -25,9 +25,6 @@ import os
import cdist
log = logging.getLogger(__name__)
'''
common:
runs only locally, does not need remote
@ -68,13 +65,16 @@ class Manifest(object):
def __init__(self, target_host, local):
self.target_host = target_host
self.local = local
self.log = logging.getLogger(self.target_host)
self.env = {
'PATH': "%s:%s" % (self.local.bin_path, os.environ['PATH']),
'__target_host': self.target_host,
'__global': self.local.out_path,
'__cdist_type_base_path': self.local.type_path, # for use in type emulator
}
if log.getEffectiveLevel() == logging.DEBUG:
if self.log.getEffectiveLevel() == logging.DEBUG:
self.env.update({'__debug': "yes" })
@ -83,7 +83,7 @@ class Manifest(object):
env.update(self.env)
env['__manifest'] = self.local.manifest_path
env['__cdist_manifest'] = script
log.info("Running initial manifest " + self.local.manifest_path)
self.log.info("Running initial manifest " + self.local.manifest_path)
self.local.run_script(script, env=env)
def run_type_manifest(self, cdist_object):

197
lib/cdist/emulator.py
View File

@ -26,8 +26,6 @@ import os
import cdist
from cdist import core
log = logging.getLogger(__name__)
class IllegalRequirementError(cdist.Error):
def __init__(self, requirement, message=None):
@ -37,102 +35,135 @@ class IllegalRequirementError(cdist.Error):
def __str__(self):
return '%s: %s' % (self.message, self.requirement)
class Emulator(object):
def __init__(self, argv):
self.argv = argv
self.object_id = False
def run(argv):
"""Emulate type commands (i.e. __file and co)"""
global_path = os.environ['__global']
object_source = os.environ['__cdist_manifest']
target_host = os.environ['__target_host']
type_name = os.path.basename(argv[0])
self.global_path = os.environ['__global']
self.object_source = os.environ['__cdist_manifest']
self.target_host = os.environ['__target_host']
self.type_base_path = os.environ['__cdist_type_base_path']
self.object_base_path = os.path.join(self.global_path, "object")
# Logsetup - FIXME: add object_fq as soon as setup!
#id = target_host + ": " + cdist_type + '/' + object_id
id = target_host + ": "
# logformat = '%(levelname)s: ' + target_host + ": " + cdist_type + '/' + object_id + ': %(message)s'
logformat = '%(levelname)s: ' + id + ': %(message)s'
logging.basicConfig(format=logformat)
self.type_name = os.path.basename(argv[0])
self.cdist_type = core.Type(self.type_base_path, self.type_name)
if '__debug' in os.environ:
logging.root.setLevel(logging.DEBUG)
else:
logging.root.setLevel(logging.INFO)
self.__init_log()
object_base_path = os.path.join(global_path, "object")
type_base_path = os.environ['__cdist_type_base_path']
cdist_type = core.Type(type_base_path, type_name)
def filter(self, record):
"""Add hostname and object to logs via logging Filter"""
if '__install' in os.environ:
if not cdist_type.is_install:
log.debug("Running in install mode, ignoring non install type")
return True
prefix = self.target_host + ": (emulator)"
parser = argparse.ArgumentParser(add_help=False)
if self.object_id:
prefix = prefix + " " + self.type_name + "/" + self.object_id
for parameter in cdist_type.optional_parameters:
argument = "--" + parameter
parser.add_argument(argument, action='store', required=False)
for parameter in cdist_type.required_parameters:
argument = "--" + parameter
parser.add_argument(argument, action='store', required=True)
record.msg = prefix + ": " + record.msg
# If not singleton support one positional parameter
if not cdist_type.is_singleton:
parser.add_argument("object_id", nargs=1)
return True
# And finally verify parameter
args = parser.parse_args(argv[1:])
def run(self):
"""Emulate type commands (i.e. __file and co)"""
# Setup object_id
if cdist_type.is_singleton:
object_id = "singleton"
else:
object_id = args.object_id[0]
del args.object_id
if '__install' in os.environ:
if not self.cdist_type.is_install:
self.log.debug("Running in install mode, ignoring non install type")
return True
# strip leading slash from object_id
object_id = object_id.lstrip('/')
self.commandline()
self.setup_object()
self.record_requirements()
self.log.debug("Finished %s %s" % (self.cdist_object.path, self.parameters))
# Instantiate the cdist object whe are defining
cdist_object = core.Object(cdist_type, object_base_path, object_id)
def __init_log(self):
"""Setup logging facility"""
logformat = '%(levelname)s: %(message)s'
logging.basicConfig(format=logformat)
# FIXME: verify object id
log.debug('#### emulator args: %s' % args)
if '__debug' in os.environ:
logging.root.setLevel(logging.DEBUG)
else:
logging.root.setLevel(logging.INFO)
# Create object with given parameters
parameters = {}
for key,value in vars(args).items():
if value is not None:
parameters[key] = value
if cdist_object.exists:
if cdist_object.parameters != parameters:
raise cdist.Error("Object %s already exists with conflicting parameters:\n%s: %s\n%s: %s"
% (cdist_object, " ".join(cdist_object.source), cdist_object.parameters, object_source, parameters)
)
else:
cdist_object.create()
cdist_object.parameters = parameters
self.log = logging.getLogger(__name__)
self.log.addFilter(self)
def commandline(self):
"""Parse command line"""
parser = argparse.ArgumentParser(add_help=False)
for parameter in self.cdist_type.optional_parameters:
argument = "--" + parameter
parser.add_argument(argument, action='store', required=False)
for parameter in self.cdist_type.required_parameters:
argument = "--" + parameter
parser.add_argument(argument, action='store', required=True)
# If not singleton support one positional parameter
if not self.cdist_type.is_singleton:
parser.add_argument("object_id", nargs=1)
# And finally parse/verify parameter
self.args = parser.parse_args(self.argv[1:])
self.log.debug('Args: %s' % self.args)
def setup_object(self):
# FIXME: verify object id
# Setup object_id
if self.cdist_type.is_singleton:
self.object_id = "singleton"
else:
self.object_id = self.args.object_id[0]
del self.args.object_id
# Record requirements
if "require" in os.environ:
requirements = os.environ['require']
for requirement in requirements.split(" "):
requirement_parts = requirement.split(os.sep, 1)
requirement_parts.reverse()
requirement_type_name = requirement_parts.pop()
try:
requirement_object_id = requirement_parts.pop()
except IndexError:
# no object id, must be singleton
requirement_object_id = 'singleton'
# strip leading slash from object_id
if requirement_object_id.startswith('/'):
log.debug("Stripping leading slash from requirements object_id: %s", requirement)
self.object_id = self.object_id.lstrip('/')
# Instantiate the cdist object we are defining
self.cdist_object = core.Object(self.cdist_type, self.object_base_path, self.object_id)
# Create object with given parameters
self.parameters = {}
for key,value in vars(self.args).items():
if value is not None:
self.parameters[key] = value
if self.cdist_object.exists:
if cdist_object.parameters != self.parameters:
raise cdist.Error("Object %s already exists with conflicting parameters:\n%s: %s\n%s: %s"
% (self.cdist_object, " ".join(self.cdist_object.source), self.cdist_object.parameters, self.object_source, self.parameters)
)
else:
self.cdist_object.create()
self.cdist_object.parameters = self.parameters
def record_requirements(self):
"""record requirements"""
if "require" in os.environ:
requirements = os.environ['require']
for requirement in requirements.split(" "):
self.log.debug("Recording requirement: " + requirement)
requirement_parts = requirement.split(os.sep, 1)
requirement_parts.reverse()
# FIXME: continue here
FAILHERE,PLEASE()[]!
print(requirement)
print(requirement_parts)
requirement_type_name = requirement_parts.pop()
try:
requirement_object_id = requirement_parts.pop()
except IndexError:
# no object id, must be singleton
requirement_object_id = 'singleton'
requirement_object_id = requirement_object_id.lstrip('/')
log.debug("Recording requirement: %s -> %s" % (cdist_object.path, requirement))
cdist_object.requirements.append(requirement)
self.cdist_object.requirements.append(requirement)
# Record / Append source
cdist_object.source.append(object_source)
log.debug("Finished %s %s" % (cdist_object.path, parameters))
# Record / Append source
self.cdist_object.source.append(self.object_source)

12
lib/cdist/exec/remote.py
View File

@ -38,7 +38,15 @@ class RemoteScriptError(cdist.Error):
self.script_content = script_content
def __str__(self):
return "Remote script execution failed: %s %s" % (self.script, self.command)
plain_command = " ".join(self.command)
return "Remote script execution failed: %s" % plain_command
class DecodeError(cdist.Error):
def __init__(self, command):
self.command = command
def __str__(self):
return "Cannot decode output of " + " ".join(self.command)
class Remote(object):
@ -121,6 +129,8 @@ class Remote(object):
raise cdist.Error("Command failed: " + " ".join(command))
except OSError as error:
raise cdist.Error(" ".join(*args) + ": " + error.args[1])
except UnicodeDecodeError:
raise DecodeError(command)
def run_script(self, script, env=None, return_output=False):
"""Run the given script with the given environment on the remote side.

79
other/tests_reintegrate/test_exec.py
View File

@ -1,79 +0,0 @@
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
# 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 os
import shutil
import tempfile
import unittest
import cdist.exec
class ExecTestCase(unittest.TestCase):
def setUp(self):
"""Create shell code and co."""
self.temp_dir = tempfile.mkdtemp()
self.shell_false = os.path.join(self.temp_dir, "shell_false")
self.shell_true = os.path.join(self.temp_dir, "shell_true")
true_fd = open(self.shell_true, "w")
true_fd.writelines(["#!/bin/sh\n", "/bin/true"])
true_fd.close()
false_fd = open(self.shell_false, "w")
false_fd.writelines(["#!/bin/sh\n", "/bin/false"])
false_fd.close()
target_host = "does.not.exist"
remote_exec = "ssh -o User=root -q"
remote_copy = "scp -o User=root -q"
self.wrapper = cdist.exec.Wrapper(target_host, remote_exec, remote_copy)
def tearDown(self):
shutil.rmtree(self.temp_dir)
def test_local_success_shell(self):
try:
self.wrapper.shell_run_or_debug_fail(self.shell_true, [self.shell_true])
except cdist.Error:
failed = True
else:
failed = False
self.assertFalse(failed)
def test_local_fail_shell(self):
self.assertRaises(cdist.Error, self.wrapper.shell_run_or_debug_fail,
self.shell_false, [self.shell_false])
def test_local_success(self):
try:
self.wrapper.run_or_fail(["/bin/true"])
except cdist.Error:
failed = True
else:
failed = False
self.assertFalse(failed)
def test_local_fail(self):
self.assertRaises(cdist.Error, self.wrapper.run_or_fail, ["/bin/false"])