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Merge remote-tracking branch 'telmich/master'

This commit is contained in:
Steven Armstrong 2011-10-12 08:19:07 +02:00
parent 823197cfb5 9f49f99294
commit d85118c4c1
3 changed files with 40 additions and 33 deletions
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62
lib/cdist/config_install.py
View File

@ -40,23 +40,24 @@ class ConfigInstall(object):
def __init__(self, context): def __init__(self, context):
self.context = context self.context = context
self.log = logging.getLogger(self.context.target_host)
self.exec_wrapper = cdist.exec.Wrapper( self.exec_wrapper = cdist.exec.Wrapper(
target_host = self.context.target_host, target_host = self.context.target_host,
remote_exec=self.context.remote_exec, remote_exec=self.context.remote_exec,
remote_copy=self.context.remote_copy) remote_copy=self.context.remote_copy)
# Create directories other may depend on
self.__init_local_paths()
self.__init_remote_paths()
self.explorer = cdist.explorer.Explorer(self.context) self.explorer = cdist.explorer.Explorer(self.context)
self.manifest = cdist.manifest.Mamifest() #self.manifest = cdist.manifest.Mamifest()
self.log = logging.getLogger(self.context.target_host) self.log = logging.getLogger(self.context.target_host)
# Setup env to be used by others - FIXME # Setup env to be used by others - FIXME
self.__init_env() self.__init_env()
# Create directories
self.__init_local_paths()
self.__init_remote_paths()
def __init_remote_paths(self): def __init_remote_paths(self):
"""Initialise remote directory structure""" """Initialise remote directory structure"""
@ -72,34 +73,33 @@ class ConfigInstall(object):
os.mkdir(self.context.base_path) os.mkdir(self.context.base_path)
# FIXME: raise more beautiful exception / Steven: handle exception # FIXME: raise more beautiful exception / Steven: handle exception
os.mkdir(self.out_path) os.mkdir(self.context.out_path)
os.mkdir(self.global_explorer_out_path) os.mkdir(self.context.bin_path)
os.mkdir(self.bin_path)
# FIXME: remove this function, only expose ENV # FIXME: remove this function, only expose ENV
# explicitly! # explicitly!
def __init_env(self): def __init_env(self):
"""Environment usable for other stuff""" """Environment usable for other stuff"""
os.environ['__target_host'] = self.context.target_host os.environ['__target_host'] = self.context.target_host
if self.debug: if self.context.debug:
os.environ['__debug'] = "yes" os.environ['__debug'] = "yes"
def cleanup(self): def cleanup(self):
log.debug("Saving " + self.out_path + " to " + self.cache_path) self.log.debug("Saving " + self.context.out_path + " to " + self.context.cache_path)
if os.path.exists(self.context.cache_path): if os.path.exists(self.context.cache_path):
shutil.rmtree(self.context.cache_path) shutil.rmtree(self.context.cache_path)
shutil.move(self.context.out_path, self.context.cache_path) shutil.move(self.context.out_path, self.context.cache_path)
def object_prepare(self, cdist_object): def object_prepare(self, cdist_object):
"""Prepare object: Run type explorer + manifest""" """Prepare object: Run type explorer + manifest"""
log.debug("Preparing object: " + cdist_object.name) self.log.debug("Preparing object: " + cdist_object.name)
self.run_type_explorer(cdist_object) cdist_object.explorers = self.explorer.run_type_explorer(cdist_object)
self.run_type_manifest(cdist_object) self.manifest.run_type_manifest(cdist_object)
cdist_object.prepared = True cdist_object.prepared = True
def object_run(self, cdist_object): def object_run(self, cdist_object):
"""Run gencode and code for an object""" """Run gencode and code for an object"""
log.debug("Running object %s", cdist_object) self.log.debug("Running object %s", cdist_object)
# Catch requirements, which re-call us # Catch requirements, which re-call us
if cdist_object.ran: if cdist_object.ran:
@ -108,7 +108,7 @@ class ConfigInstall(object):
cdist_type = cdist_object.type cdist_type = cdist_object.type
for requirement in cdist_object.requirements: for requirement in cdist_object.requirements:
log.debug("Object %s requires %s", cdist_object, requirement) self.log.debug("Object %s requires %s", cdist_object, requirement)
self.object_run(requirement) self.object_run(requirement)
# #
@ -116,7 +116,7 @@ class ConfigInstall(object):
# #
env = os.environ.copy() env = os.environ.copy()
env['__target_host'] = self.context.target_host env['__target_host'] = self.context.target_host
env['__global'] = self.out_path env['__global'] = self.context.out_path
env["__object"] = os.path.join(self.object_base_path, cdist_object.path) env["__object"] = os.path.join(self.object_base_path, cdist_object.path)
env["__object_id"] = cdist_object.object_id env["__object_id"] = cdist_object.object_id
env["__object_fq"] = cdist_object.name env["__object_fq"] = cdist_object.name
@ -124,7 +124,7 @@ class ConfigInstall(object):
# gencode # gencode
for cmd in ["local", "remote"]: for cmd in ["local", "remote"]:
bin = os.path.join(self.type_base_path, bin = os.path.join(self.context.type_base_path,
getattr(cdist_type, "gencode_" + cmd + "_path")) getattr(cdist_type, "gencode_" + cmd + "_path"))
if os.path.isfile(bin): if os.path.isfile(bin):
@ -162,24 +162,24 @@ class ConfigInstall(object):
remote_remote_code = os.path.join(self.remote_object_path, remote_remote_code = os.path.join(self.remote_object_path,
cdist_object.code_remote_path) cdist_object.code_remote_path)
if os.path.isfile(local_remote_code): if os.path.isfile(local_remote_code):
self.transfer_path(local_remote_code, remote_remote_code) self.context.transfer_path(local_remote_code, remote_remote_code)
cdist.exec.run_or_fail([remote_remote_code], remote_prefix=True) cdist.exec.run_or_fail([remote_remote_code], remote_prefix=True)
cdist_object.ran = True cdist_object.ran = True
def link_emulator(self): def link_emulator(self):
"""Link emulator to types""" """Link emulator to types"""
src = os.path.abspath(self.exec_path) src = os.path.abspath(self.context.exec_path)
for cdist_type in cdist.core.Type.list_types(self.type_base_path): for cdist_type in cdist.core.Type.list_types(self.context.type_base_path):
dst = os.path.join(self.bin_path, cdist_type.name) dst = os.path.join(self.context.bin_path, cdist_type.name)
log.debug("Linking emulator: %s to %s", src, dst) self.log.debug("Linking emulator: %s to %s", src, dst)
# FIXME: handle exception / make it more beautiful / Steven: raise except :-) # FIXME: handle exception / make it more beautiful / Steven: raise except :-)
os.symlink(src, dst) os.symlink(src, dst)
def deploy_to(self): def deploy_to(self):
"""Mimic the old deploy to: Deploy to one host""" """Mimic the old deploy to: Deploy to one host"""
log.info("Deploying to " + self.context.target_host) self.log.info("Deploying to " + self.context.target_host)
self.stage_prepare() self.stage_prepare()
self.stage_run() self.stage_run()
@ -188,25 +188,25 @@ class ConfigInstall(object):
start_time = time.time() start_time = time.time()
self.deploy_to() self.deploy_to()
self.cleanup() self.cleanup()
log.info("Finished run of %s in %s seconds", self.log.info("Finished run of %s in %s seconds",
self.context.target_host, time.time() - start_time) self.context.target_host, time.time() - start_time)
def stage_prepare(self): def stage_prepare(self):
"""Do everything for a deploy, minus the actual code stage""" """Do everything for a deploy, minus the actual code stage"""
self.link_emulator() self.link_emulator()
self.run_global_explorers() self.explorer.run_global_explorers()
self.run_initial_manifest() self.run_initial_manifest()
log.info("Running object manifests and type explorers") self.log.info("Running object manifests and type explorers")
# Continue process until no new objects are created anymore # Continue process until no new objects are created anymore
new_objects_created = True new_objects_created = True
while new_objects_created: while new_objects_created:
new_objects_created = False new_objects_created = False
for cdist_object in cdist.core.Object.list_objects(self.object_base_path, for cdist_object in cdist.core.Object.list_objects(self.object_base_path,
self.type_base_path): self.context.type_base_path):
if cdist_object.prepared: if cdist_object.prepared:
log.debug("Skipping rerun of object %s", cdist_object) self.log.debug("Skipping rerun of object %s", cdist_object)
continue continue
else: else:
self.object_prepare(cdist_object) self.object_prepare(cdist_object)
@ -214,8 +214,8 @@ class ConfigInstall(object):
def stage_run(self): def stage_run(self):
"""The final (and real) step of deployment""" """The final (and real) step of deployment"""
log.info("Generating and executing code") self.log.info("Generating and executing code")
for cdist_object in cdist.core.Object.list_objects(self.object_base_path, for cdist_object in cdist.core.Object.list_objects(self.object_base_path,
self.type_base_path): self.context.type_base_path):
log.debug("Run object: %s", cdist_object) self.log.debug("Run object: %s", cdist_object)
self.object_run(cdist_object) self.object_run(cdist_object)

2
lib/cdist/context.py
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@ -41,6 +41,8 @@ class Context(object):
exec_path=sys.argv[0], exec_path=sys.argv[0],
debug=False): debug=False):
self.debug = debug
self.target_host = target_host self.target_host = target_host
# Only required for testing # Only required for testing

9
lib/cdist/explorer.py
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@ -22,16 +22,17 @@
import io import io
import logging import logging
#import os import os
#import stat #import stat
#import shutil #import shutil
#import sys #import sys
#import tempfile #import tempfile
#import time #import time
# #
#import cdist.core
#import cdist.exec #import cdist.exec
import cdist
log = logging.getLogger(__name__) log = logging.getLogger(__name__)
class Explorer: class Explorer:
@ -39,6 +40,10 @@ class Explorer:
def __init__(self, context): def __init__(self, context):
self.context = context self.context = context
try:
os.mkdir(self.context.global_explorer_out_path)
except OSError as e:
raise cdist.Error("Failed to create explorer out path: %s" % e)
def run_type_explorer(self, cdist_object): def run_type_explorer(self, cdist_object):
"""Run type specific explorers for objects""" """Run type specific explorers for objects"""