pedro/cdist
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Merge remote-tracking branch 'telmich/master'

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This commit is contained in:
Steven Armstrong 2011-10-07 16:24:53 +02:00
commit 117c950965
6 changed files with 53 additions and 79 deletions
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2
lib/cdist/__init__.py
View file

@ -22,6 +22,8 @@
VERSION = "2.0.3"
DOT_CDIST = ".cdist"
import os
class Error(Exception):
"""Base exception class for this project"""
pass

2
lib/cdist/config.py
View file

@ -42,7 +42,7 @@ def config(args):
os.environ['__remote_copy'] = "scp -o User=root -q"
for host in args.host:
c = Config(host, initial_manifest=args.manifest, base_dir=args.cdist_home, debug=args.debug)
c = Config(host, initial_manifest=args.manifest, base_path=args.cdist_home, debug=args.debug)
if args.parallel:
log.debug("Creating child process for %s", host)
process[host] = multiprocessing.Process(target=c.deploy_and_cleanup)

57
lib/cdist/config_install.py
View file

@ -48,15 +48,13 @@ class ConfigInstall:
self.exec_path = exec_path
self.context = cdist.context.Context(self.target_host,
initial_manifest=initial_manifest, base_path=base_path,
initial_manifest=initial_manifest,
base_path=base_path,
debug=debug)
def cleanup(self):
self.path.cleanup()
def __init_env(self):
"""Setup environment"""
def run_initial_manifest(self):
"""Run the initial manifest"""
log.info("Running initial manifest %s", self.context.initial_manifest)
@ -72,7 +70,7 @@ class ConfigInstall:
log.debug("%s: Running %s", cdist_object.name, manifest)
if os.path.exists(manifest_path):
env = { "__object" : os.path.join(self.context.object_base_path,
cdist_object.path)
cdist_object.path),
"__object_id": cdist_object.object_id,
"__object_fq": cdist_object.name,
"__type": os.path.join(self.context.type_base_path,
@ -98,7 +96,7 @@ class ConfigInstall:
env['__cdist_manifest'] = manifest_path
# Required to find types in emulator
env['__cdist_type_base_path'] = type.path
env['__cdist_type_base_path'] = self.context.type_base_path
# Other environment stuff
if extra_env:
@ -204,7 +202,7 @@ class ConfigInstall:
def link_emulator(self):
"""Link emulator to types"""
src = os.path.abspath(self.exec_path)
for type in cdist.core.Type.list_types():
for type in cdist.core.Type.list_types(self.context.type_base_path):
dst = os.path.join(self.context.bin_path, type.name)
log.debug("Linking emulator: %s to %s", src, dst)
@ -215,16 +213,17 @@ class ConfigInstall:
"""Run global explorers"""
log.info("Running global explorers")
src = cdist.core.GlobalExplorer.base_path
dst = cdist.core.GlobalExplorer.remote_base_path
src_path = self.context.global_explorer_path
dst_path = self.context.global_explorer_out_path
remote_dst_path = self.context.remote_global_explorer_path
self.context.transfer_path(src, dst)
self.context.transfer_path(src_path, remote_dst_path)
for explorer in cdist.core.GlobalExplorer.list_explorers():
output_fd = open(explorer.out_path, mode='w')
for explorer in os.listdir(src_path):
output_fd = open(os.path.join(dst_path, explorer), mode='w')
cmd = []
cmd.append("__explorer=" + cdist.core.GlobalExplorer.remote_base_path)
cmd.append(explorer.remote_path)
cmd.append("__explorer=" + remote_dst_path)
cmd.append(os.path.join(src_path, explorer))
cdist.exec.run_or_fail(cmd, stdout=output_fd, remote_prefix=True)
output_fd.close()
@ -233,7 +232,7 @@ class ConfigInstall:
def stage_run(self):
"""The final (and real) step of deployment"""
log.info("Generating and executing code")
for cdist_object in cdist.core.Object.list_objects():
for cdist_object in cdist.core.Object.list_objects(self.context.object_base_path):
log.debug("Run object: %s", cdist_object)
self.object_run(cdist_object)
@ -248,29 +247,19 @@ class ConfigInstall:
self.deploy_to()
self.cleanup()
def init_deploy(self):
"""Ensure the base directories are cleaned up"""
log.debug("Creating clean directory structure")
self.context.remove_remote_path(self.context.remote_base_path)
self.context.remote_mkdir(self.context.remote_base_path)
self.link_emulator()
def stage_prepare(self):
"""Do everything for a deploy, minus the actual code stage"""
self.init_deploy()
self.link_emulator()
self.run_global_explorers()
self.run_initial_manifest()
log.info("Running object manifests and type explorers")
log.debug("Searching for objects in " + cdist.core.Object.base_path())
# Continue process until no new objects are created anymore
new_objects_created = True
while new_objects_created:
new_objects_created = False
for cdist_object in cdist.core.Object.list_objects():
for cdist_object in cdist.core.Object.list_objects(self.context.object_base_path):
if cdist_object.prepared:
log.debug("Skipping rerun of object %s", cdist_object)
continue
@ -281,26 +270,16 @@ class ConfigInstall:
cdist_object.prepared = True
new_objects_created = True
# FIXME Move into configinstall
def transfer_object_parameter(self, cdist_object):
"""Transfer the object parameter to the remote destination"""
local_path =
os.path.join(self.context.object_base_path,
src = os.path.join(self.context.object_base_path,
cdist_object.parameter_path)
remote_path =
os.path.join(self.context.remote_object_path,
dst = os.path.join(self.context.remote_object_path,
cdist_object.parameter_path)
# Create base path before using mkdir -p
# FIXME: needed?
self.remote_mkdir(remote_path)
# Synchronise parameter dir afterwards
self.transfer_path(local_path, remote_path)
####FIXED ######################################################################
def transfer_global_explorers(self):
"""Transfer the global explorers"""
self.remote_mkdir(self.context.remote_global_explorer_path)

26
lib/cdist/context.py
View file

@ -47,8 +47,7 @@ class Context:
if base_path:
self.base_path = base_path
else:
self.base_path =
os.path.abspath(
self.base_path = os.path.abspath(
os.path.join(os.path.dirname(__file__),
os.pardir,
os.pardir))
@ -70,7 +69,7 @@ class Context:
# Local output directories
if out_path:
self.out_path = out_path:
self.out_path = out_path
else:
self.out_path = os.path.join(tempfile.mkdtemp(), "out")
@ -86,13 +85,13 @@ class Context:
self.remote_conf_path = os.path.join(self.remote_base_path, "conf")
self.remote_object_path = os.path.join(self.remote_base_path, "object")
self.remote_type_path = os.path.join(self.remote_conf_path, "type")
self.remote_global_explorer_path = os.path.join(self.remote_conf_path, "explorer")
# Create directories
self.__init_out_paths()
self.__init_env()
self.__init_remote_paths()
def cleanup(self):
# Do not use in __del__:
@ -106,11 +105,6 @@ class Context:
shutil.rmtree(self.cache_path)
shutil.move(self.base_path, self.cache_path)
#def __init_env(self):
# """Setup environment"""
# os.environ['__cdist_out_path'] = self.out_path
# os.environ['__cdist_base_path'] = self.base_path
def __init_out_paths(self):
"""Initialise output directory structure"""
@ -122,6 +116,13 @@ class Context:
os.mkdir(self.global_explorer_out_path)
os.mkdir(self.bin_path)
def __init_remote_paths(self):
"""Initialise remote directory structure"""
self.remove_remote_path(self.remote_base_path)
self.remote_mkdir(self.remote_base_path)
self.remote_mkdir(self.remote_conf_path)
def remote_mkdir(self, directory):
"""Create directory on remote side"""
cdist.exec.run_or_fail(["mkdir", "-p", directory], remote_prefix=True)
@ -129,3 +130,8 @@ class Context:
def remove_remote_path(self, destination):
cdist.exec.run_or_fail(["rm", "-rf", destination], remote_prefix=True)
def transfer_path(self, source, destination):
"""Transfer directory and previously delete the remote destination"""
self.remove_remote_path(destination)
cdist.exec.run_or_fail(os.environ['__remote_copy'].split() +
["-r", source, self.target_host + ":" + destination])

13
lib/cdist/copy.py
View file

@ -1,13 +0,0 @@
# FIXME: To Copy
def transfer_dir(self, source, destination):
"""Transfer directory and previously delete the remote destination"""
self.remove_remote_dir(destination)
cdist.exec.run_or_fail(os.environ['__remote_copy'].split() +
["-r", source, self.target_host + ":" + destination])
# FIXME: To Copy
def transfer_file(self, source, destination):
"""Transfer file"""
cdist.exec.run_or_fail(os.environ['__remote_copy'].split() +
[source, self.target_host + ":" + destination])

20
lib/cdist/emulator.py
View file

@ -29,9 +29,9 @@ log = logging.getLogger(__name__)
def run(argv):
"""Emulate type commands (i.e. __file and co)"""
type = os.path.basename(argv[0])
type_dir = os.path.join(os.environ['__cdist_type_base_dir'], type)
param_dir = os.path.join(type_dir, "parameter")
cdist_type = os.path.basename(argv[0])
type_path = os.path.join(os.environ['__cdist_type_base_path'], cdist_type)
param_dir = os.path.join(type_path, "parameter")
global_dir = os.environ['__global']
object_source = os.environ['__cdist_manifest']
@ -50,14 +50,14 @@ def run(argv):
parser.add_argument(argument, action='store', required=True)
# If not singleton support one positional parameter
if not os.path.isfile(os.path.join(type_dir, "singleton")):
if not os.path.isfile(os.path.join(type_path, "singleton")):
parser.add_argument("object_id", nargs=1)
# And finally verify parameter
args = parser.parse_args(argv[1:])
# Setup object_id
if os.path.isfile(os.path.join(type_dir, "singleton")):
if os.path.isfile(os.path.join(type_path, "singleton")):
object_id = "singleton"
else:
object_id = args.object_id[0]
@ -68,14 +68,14 @@ def run(argv):
object_id = object_id[1:]
# Prefix output by object_self
logformat = '%(levelname)s: ' + type + '/' + object_id + ': %(message)s'
logformat = '%(levelname)s: ' + cdist_type + '/' + object_id + ': %(message)s'
logging.basicConfig(format=logformat)
# FIXME: verify object id
log.debug(args)
object_dir = os.path.join(global_dir, "object", type,
object_id, cdist.path.DOT_CDIST)
object_dir = os.path.join(global_dir, "object", cdist_type,
object_id, cdist.DOT_CDIST)
log.debug("Object output dir = " + object_dir)
param_out_dir = os.path.join(object_dir, "parameter")
@ -132,7 +132,7 @@ def run(argv):
requirements = os.environ['__require']
log.debug(object_id + ":Writing requirements: " + requirements)
require_fd = open(os.path.join(object_dir, "require"), "a")
require_fd.writelines(requirements.split(" "))
require_fd.write(requirements.replace(" ","\n"))
require_fd.close()
# Record / Append source
@ -140,4 +140,4 @@ def run(argv):
source_fd.writelines(object_source)
source_fd.close()
log.debug("Finished " + type + "/" + object_id + repr(params))
log.debug("Finished " + cdist_type + "/" + object_id + repr(params))