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cdist
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Merge remote-tracking branch 'telmich/master'

This commit is contained in:
Steven Armstrong 2011-10-11 16:57:10 +02:00
parent dc9092dbef 588731661e
commit 823197cfb5
4 changed files with 48 additions and 65 deletions
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14
bin/cdist
View File

@ -115,10 +115,14 @@ def configinstall(args, mode):
time_start = time.time()
for host in args.host:
c = mode(host,
initial_manifest=args.manifest,
base_path=args.cdist_home,
debug=args.debug)
context = cdist.context.Context(
target_host=host,
initial_manifest=args.manifest,
base_path=args.cdist_home,
exec_path=sys.argv[0],
debug=args.debug)
c = mode(context)
if args.parallel:
log.debug("Creating child process for %s", host)
process[host] = multiprocessing.Process(target=c.deploy_and_cleanup)
@ -126,6 +130,8 @@ def configinstall(args, mode):
else:
c.deploy_and_cleanup()
context.cleanup()
if args.parallel:
for p in process.keys():
log.debug("Joining process %s", p)

49
lib/cdist/config_install.py
View File

@ -29,34 +29,24 @@ import tempfile
import time
import cdist.core
import cdist.context
import cdist.exec
import cdist.explorer
#import cdist.manifest
CODE_HEADER = "#!/bin/sh -e\n"
class ConfigInstall:
class ConfigInstall(object):
"""Cdist main class to hold arbitrary data"""
def __init__(self,
target_host,
initial_manifest=False,
base_path=False,
exec_path=sys.argv[0],
debug=False):
def __init__(self, context):
self.context = cdist.context.Context(
target_host=target_host,
initial_manifest=initial_manifest,
base_path=base_path,
exec_path=sys.argv[0],
debug=debug)
self.context = context
self.exec_wrapper = cdist.exec.Wrapper(
targe_host = self.target_host,
remote_exec=os.environ['__remote_exec'].split(),
remote_copy=os.environ['__remote_copy'].split()
)
target_host = self.context.target_host,
remote_exec=self.context.remote_exec,
remote_copy=self.context.remote_copy)
self.explorer = cdist.explorer.Explorer()
self.explorer = cdist.explorer.Explorer(self.context)
self.manifest = cdist.manifest.Mamifest()
self.log = logging.getLogger(self.context.target_host)
@ -70,9 +60,9 @@ class ConfigInstall:
def __init_remote_paths(self):
"""Initialise remote directory structure"""
self.remove_remote_path(self.context.remote_base_path)
self.remote_mkdir(self.context.remote_base_path)
self.remote_mkdir(self.context.remote_conf_path)
self.exec_wrapper.remove_remote_path(self.context.remote_base_path)
self.exec_wrapper.remote_mkdir(self.context.remote_base_path)
self.exec_wrapper.remote_mkdir(self.context.remote_conf_path)
def __init_local_paths(self):
"""Initialise local directory structure"""
@ -90,12 +80,15 @@ class ConfigInstall:
# explicitly!
def __init_env(self):
"""Environment usable for other stuff"""
os.environ['__target_host'] = self.target_host
os.environ['__target_host'] = self.context.target_host
if self.debug:
os.environ['__debug'] = "yes"
def cleanup(self):
self.context.cleanup()
log.debug("Saving " + self.out_path + " to " + self.cache_path)
if os.path.exists(self.context.cache_path):
shutil.rmtree(self.context.cache_path)
shutil.move(self.context.out_path, self.context.cache_path)
def object_prepare(self, cdist_object):
"""Prepare object: Run type explorer + manifest"""
@ -122,7 +115,7 @@ class ConfigInstall:
# Setup env Variable:
#
env = os.environ.copy()
env['__target_host'] = self.target_host
env['__target_host'] = self.context.target_host
env['__global'] = self.out_path
env["__object"] = os.path.join(self.object_base_path, cdist_object.path)
env["__object_id"] = cdist_object.object_id
@ -186,7 +179,7 @@ class ConfigInstall:
def deploy_to(self):
"""Mimic the old deploy to: Deploy to one host"""
log.info("Deploying to " + self.target_host)
log.info("Deploying to " + self.context.target_host)
self.stage_prepare()
self.stage_run()
@ -196,7 +189,7 @@ class ConfigInstall:
self.deploy_to()
self.cleanup()
log.info("Finished run of %s in %s seconds",
self.target_host, time.time() - start_time)
self.context.target_host, time.time() - start_time)
def stage_prepare(self):
"""Do everything for a deploy, minus the actual code stage"""

33
lib/cdist/context.py
View File

@ -22,24 +22,24 @@
import logging
import os
import sys
import tempfile
#import stat
#import shutil
#import sys
#import tempfile
#import time
#
#import cdist.core
#import cdist.exec
class Context:
class Context(object):
"""Hold information about current context"""
def __init__(self,
def __init__(self,
target_host,
initial_manifest=False,
base_path=False,
exec_path=sys.argv[0],
debug):
debug=False):
self.target_host = target_host
@ -52,8 +52,8 @@ class Context:
# Base and Temp Base
self.base_path = (base_path or
self.base_path = os.path.abspath(os.path.join(
os.path.dirname(__file__), os.pardir, os.pardir))
os.path.abspath(os.path.join(os.path.dirname(__file__),
os.pardir, os.pardir)))
# Local input
self.cache_path = os.path.join(self.base_path, "cache",
@ -71,8 +71,11 @@ class Context:
# Local output
if '__cdist_out_dir' in os.environ:
self.out_path = os.environ['__cdist_out_dir']
self.temp_dir = None
else:
self.out_path = os.path.join(tempfile.mkdtemp(), "out")
self.temp_dir = tempfile.mkdtemp()
self.out_path = os.path.join(self.temp_dir, "out")
self.bin_path = os.path.join(self.out_path, "bin")
self.global_explorer_out_path = os.path.join(self.out_path, "explorer")
self.object_base_path = os.path.join(self.out_path, "object")
@ -100,17 +103,9 @@ class Context:
self.remote_copy = "scp -o User=root -q"
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.out_path + " to " + self.cache_path)
# FIXME: raise more beautiful exception / Steven: handle exception
# Remove previous cache
if os.path.exists(self.cache_path):
shutil.rmtree(self.cache_path)
shutil.move(self.out_path, self.cache_path)
"""Remove temp stuff"""
if self.temp_dir:
shutil.rmtree(self.temp_dir)
def filter(self, record):
"""Add hostname to logs via logging Filter"""

17
lib/cdist/explorer.py
View File

@ -37,21 +37,10 @@ log = logging.getLogger(__name__)
class Explorer:
"""Execute explorers"""
def __init__(self,
object_base_path,
remote_global_explorer_path,
remote_type_path,
remote_object_path,
type_path,
exec_hint):
def __init__(self, context):
self.context = context
self.object_base_path = object_base_path
self.remote_global_explorer_path = remote_global_explorer_path
self.remote_type_path = remote_type_path
self.remote_object_path = remote_object_path
self.exec_hint = exec_hint
def run_type_explorer(self, cdist_object)
def run_type_explorer(self, cdist_object):
"""Run type specific explorers for objects"""
cdist_type = cdist_object.type