Merge remote-tracking branch 'steven/master'

This commit is contained in:
Nico Schottelius 2011-10-13 17:07:19 +02:00
commit 32eec35979
9 changed files with 108 additions and 236 deletions

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@ -114,8 +114,9 @@ def configinstall(args, mode):
time_start = time.time() time_start = time.time()
import cdist.context
for host in args.host: for host in args.host:
# Setup Local/Remote
context = cdist.context.Context( context = cdist.context.Context(
target_host=host, target_host=host,
initial_manifest=args.manifest, initial_manifest=args.manifest,

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@ -28,11 +28,8 @@ import sys
import tempfile import tempfile
import time import time
import cdist.core from cdist import core
import cdist.context
import cdist.exec
#import cdist.explorer
#import cdist.manifest
class ConfigInstall(object): class ConfigInstall(object):
"""Cdist main class to hold arbitrary data""" """Cdist main class to hold arbitrary data"""
@ -41,58 +38,26 @@ class ConfigInstall(object):
self.context = context self.context = context
self.log = logging.getLogger(self.context.target_host) self.log = logging.getLogger(self.context.target_host)
self.exec_wrapper = cdist.exec.Wrapper(
target_host = self.context.target_host,
remote_exec=self.context.remote_exec,
remote_copy=self.context.remote_copy)
# Create directories other may depend on # For easy access
self.__init_local_paths() self.local = context.local
self.__init_remote_paths() self.remote = context.remote
self.global_explorer = cdist.explorer.GlobalExplorer(self.context.global_in, out) # Initialise local directory structure
self.type_explorer = cdist.explorer.GlobalExplorer(self.context.global_in, out) self.local.create_directories()
# Initialise remote directory structure
self.remote.create_directories()
self.global_explorer = cdist.core.GlobalExplorer self.explorer = core.Explorer(self.context.target_host, self.local, self.remote)
#self.manifest = cdist.manifest.Mamifest() self.manifest = core.Manifest(self.context.target_host, self.local)
self.code = core.Code(self.context.target_host, self.local, self.remote)
self.manifest.initial_manifest()
self.manifest.type_manifest(cdist_object)
self.global_explorer.run()?
self.type_explorer.run(cdist_object)?
self.log = logging.getLogger(self.context.target_host)
# Setup env to be used by others - FIXME
self.__init_env()
def __init_remote_paths(self):
"""Initialise remote directory structure"""
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"""
# Create base dir, if user supplied and not existing
if not os.path.isdir(self.context.base_path):
os.mkdir(self.context.base_path)
# FIXME: raise more beautiful exception / Steven: handle exception
os.mkdir(self.context.out_path)
os.mkdir(self.context.bin_path)
# os.environ['__target_host'] = self.context.target_host
# if self.context.debug:
# os.environ['__debug'] = "yes"
def cleanup(self): def cleanup(self):
self.log.debug("Saving " + self.context.out_path + " to " + self.context.cache_path) # FIXME: move to local?
if os.path.exists(self.context.cache_path): self.log.debug("Saving " + self.local.out_path + " to " + self.local.cache_path)
shutil.rmtree(self.context.cache_path) if os.path.exists(self.local.cache_path):
shutil.move(self.context.out_path, self.context.cache_path) shutil.rmtree(self.local.cache_path)
shutil.move(self.local.out_path, self.local.cache_path)
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"""
@ -110,9 +75,9 @@ class ConfigInstall(object):
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.local.link_emulator(self.context.exec_path)
self.global_explorer_run() self.run_global_explorers()
self.run_initial_manifest() self.manifest.run_initial_manifest(self.context.initial_manifest)
self.log.info("Running object manifests and type explorers") self.log.info("Running object manifests and type explorers")
@ -120,8 +85,8 @@ class ConfigInstall(object):
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 core.Object.list_objects(self.local.object_path,
self.context.type_base_path): self.local.type_path):
if cdist_object.prepared: if cdist_object.prepared:
self.log.debug("Skipping rerun of object %s", cdist_object) self.log.debug("Skipping rerun of object %s", cdist_object)
continue continue
@ -129,22 +94,27 @@ class ConfigInstall(object):
self.object_prepare(cdist_object) self.object_prepare(cdist_object)
new_objects_created = True new_objects_created = True
def run_global_explorers(self):
def self.global_explorer_run()
"""Run global explorers and save output""" """Run global explorers and save output"""
# FIXME: move to explorer, pass global_explorer_out_path as argument
self.explorer.transfer_global_explorers()
for explorer in self.explorer.list_global_explorer_names():
output = self.explorer.run_global_explorer(explorer)
path = os.path.join(self.local.global_explorer_out_path, explorer)
with open(path, 'w') as fd:
fd.write(output)
output = self.global_explorer.run() def run_type_explorers(self, cdist_object):
"""Run type explorers and save output in object."""
for explorer in output: self.explorer.transfer_type_explorers(cdist_object.type)
outfile = os.path.join(self.context.global_explorer_out_path, for explorer in self.explorer.list_type_explorer_names(cdist_object.type):
explorer) output = self.explorer.run_type_explorer(explorer, cdist_object)
outfile_fd = open(outfile, "w") cdist_object.explorers[explorer] = output
outfile_fd.write()
def object_prepare(self, cdist_object): def object_prepare(self, cdist_object):
"""Prepare object: Run type explorer + manifest""" """Prepare object: Run type explorer + manifest"""
self.log.debug("Preparing object: " + cdist_object.name) self.log.debug("Preparing object: " + cdist_object.name)
cdist_object.explorers = self.explorer.run_type_explorer(cdist_object) self.run_type_explorers(cdist_object)
self.manifest.run_type_manifest(cdist_object) self.manifest.run_type_manifest(cdist_object)
cdist_object.prepared = True cdist_object.prepared = True
@ -160,78 +130,26 @@ class ConfigInstall(object):
for requirement in cdist_object.requirements: for requirement in cdist_object.requirements:
self.log.debug("Object %s requires %s", cdist_object, requirement) self.log.debug("Object %s requires %s", cdist_object, requirement)
# FIXME: requirement is a string, need to create object here
self.object_run(requirement) self.object_run(requirement)
# # Generate
# Setup env Variable: cdist_object.code_local = self.code.run_gencode_local(cdist_object)
# cdist_object.code_remote = self.code.run_gencode_remote(cdist_object)
env = os.environ.copy() if cdist_object.code_local or cdist_object.code_remote:
env['__target_host'] = self.context.target_host cdist_object.changed = True
env['__global'] = self.context.out_path
env["__object"] = os.path.join(self.object_base_path, cdist_object.path)
env["__object_id"] = cdist_object.object_id
env["__object_fq"] = cdist_object.name
env["__type"] = cdist_type.name
# gencode # Execute
for cmd in ["local", "remote"]: if cdist_object.code_local:
bin = os.path.join(self.context.type_base_path, self.code.run_code_local(cdist_object)
getattr(cdist_type, "gencode_" + cmd + "_path")) if cdist_object.code_remote:
self.code.transfer_code_remote(cdist_object)
if os.path.isfile(bin): self.code.run_code_remote(cdist_object)
outfile = os.path.join(self.object_base_path,
getattr(cdist_object, "code_" + cmd + "_path"))
outfile_fd = open(outfile, "w")
# Need to flush to ensure our write is done before stdout write
# FIXME: code header still needed?
outfile_fd.write(CODE_HEADER)
outfile_fd.flush()
cdist.exec.shell_run_or_debug_fail(bin, [bin], env=env, stdout=outfile_fd)
outfile_fd.close()
status = os.stat(outfile)
# Remove output if empty, else make it executable
if status.st_size == len(CODE_HEADER):
os.unlink(outfile)
else:
# Add header and make executable - identically to 0o700
os.chmod(outfile, stat.S_IXUSR | stat.S_IRUSR | stat.S_IWUSR)
cdist_object.changed=True
# code local
code_local = cdist_object.code_local_path
if os.path.isfile(code_local):
cdist.exec.run_or_fail([code_local])
# code remote
local_remote_code = os.path.join(self.object_base_path,
cdist_object.code_remote_path)
remote_remote_code = os.path.join(self.remote_object_path,
cdist_object.code_remote_path)
if os.path.isfile(local_remote_code):
self.context.transfer_path(local_remote_code, remote_remote_code)
cdist.exec.run_or_fail([remote_remote_code], remote_prefix=True)
cdist_object.ran = True
def link_emulator(self):
"""Link emulator to types"""
src = os.path.abspath(self.context.exec_path)
for cdist_type in cdist.core.Type.list_types(self.context.type_base_path):
dst = os.path.join(self.context.bin_path, cdist_type.name)
self.log.debug("Linking emulator: %s to %s", src, dst)
# FIXME: handle exception / make it more beautiful / Steven: raise except :-)
os.symlink(src, dst)
def stage_run(self): def stage_run(self):
"""The final (and real) step of deployment""" """The final (and real) step of deployment"""
self.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 core.Object.list_objects(self.local.object_path,
self.context.type_base_path): self.local.type_path):
self.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)

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@ -24,12 +24,11 @@ import logging
import os import os
import sys import sys
import tempfile import tempfile
#import stat import shutil
#import shutil
#import time from cdist.exec import local
# from cdist.exec import remote
#import cdist.core
#import cdist.exec
class Context(object): class Context(object):
"""Hold information about current context""" """Hold information about current context"""
@ -52,25 +51,13 @@ class Context(object):
self.log = logging.getLogger(self.target_host) self.log = logging.getLogger(self.target_host)
self.log.addFilter(self) self.log.addFilter(self)
# Base and Temp Base # Local base directory
self.base_path = (base_path or self.base_path = (base_path or
os.path.abspath(os.path.join(os.path.dirname(__file__), os.path.abspath(os.path.join(os.path.dirname(__file__),
os.pardir, os.pardir))) os.pardir, os.pardir)))
# Local input # Local temp directory
self.cache_path = os.path.join(self.base_path, "cache", # FIXME: if __cdist_out_dir can be given from the outside, the same directory will be used for all hosts
self.target_host)
self.conf_path = os.path.join(self.base_path, "conf")
self.global_explorer_path = os.path.join(self.conf_path, "explorer")
self.manifest_path = os.path.join(self.conf_path, "manifest")
self.type_base_path = os.path.join(self.conf_path, "type")
self.lib_path = os.path.join(self.base_path, "lib")
self.initial_manifest = (initial_manifest or
os.path.join(self.manifest_path, "init"))
# Local output
if '__cdist_out_dir' in os.environ: if '__cdist_out_dir' in os.environ:
self.out_path = os.environ['__cdist_out_dir'] self.out_path = os.environ['__cdist_out_dir']
self.temp_dir = None self.temp_dir = None
@ -78,31 +65,17 @@ class Context(object):
self.temp_dir = tempfile.mkdtemp() self.temp_dir = tempfile.mkdtemp()
self.out_path = os.path.join(self.temp_dir, "out") self.out_path = os.path.join(self.temp_dir, "out")
self.bin_path = os.path.join(self.out_path, "bin") self.local = local.Local(self.target_host, self.base_path, self.out_path)
self.global_explorer_out_path = os.path.join(self.out_path, "explorer")
self.object_base_path = os.path.join(self.out_path, "object")
# Remote directory base self.initial_manifest = (initial_manifest or
if '__cdist_remote_out_dir' in os.environ: os.path.join(self.local.manifest_path, "init"))
self.remote_base_path = os.environ['__cdist_remote_out_dir']
else:
self.remote_base_path = "/var/lib/cdist"
self.remote_conf_path = os.path.join(self.remote_base_path, "conf") # Remote
self.remote_object_path = os.path.join(self.remote_base_path, "object") self.remote_base_path = os.environ.get('__cdist_remote_out_dir', "/var/lib/cdist")
self.remote_exec = os.environ.get('__remote_exec', "ssh -o User=root -q")
self.remote_type_path = os.path.join(self.remote_conf_path, "type") self.remote_copy = os.environ.get('__remote_copy', "scp -o User=root -q")
self.remote_global_explorer_path = os.path.join(self.remote_conf_path, "explorer") self.remote = remote.Remote(self.target_host, self.remote_base_path,
self.remote_exec, self.remote_copy)
if '__remote_exec' in os.environ:
self.remote_exec = os.environ['__remote_exec']
else:
self.remote_exec = "ssh -o User=root -q"
if '__remote_copy' in os.environ:
self.remote_copy = os.environ['__remote_copy']
else:
self.remote_copy = "scp -o User=root -q"
def cleanup(self): def cleanup(self):
"""Remove temp stuff""" """Remove temp stuff"""

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@ -19,8 +19,8 @@
# #
# #
__all__ = ['Type', 'Object']
from cdist.core.type import Type from cdist.core.type import Type
from cdist.core.object import Object from cdist.core.object import Object
from cdist.core.global_explorer import GlobalExplorer from cdist.core.explorer import Explorer
from cdist.core.manifest import Manifest
from cdist.core.code import Code

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@ -95,6 +95,7 @@ class Code(object):
def _run_gencode(self, cdist_object, which): def _run_gencode(self, cdist_object, which):
cdist_type = cdist_object.type cdist_type = cdist_object.type
script = os.path.join(self.local.type_path, getattr(cdist_type, 'gencode_%s_path' % which)) script = os.path.join(self.local.type_path, getattr(cdist_type, 'gencode_%s_path' % which))
if os.path.isfile(script):
env = os.environ.copy() env = os.environ.copy()
env.update(self.env) env.update(self.env)
env.update({ env.update({
@ -122,7 +123,7 @@ class Code(object):
def _run_code(self, cdist_object, which): def _run_code(self, cdist_object, which):
which_exec = getattr(self, which) which_exec = getattr(self, which)
script = os.path.join(self.local.object_path, getattr(cdist_object, 'code_%s_path' % which)) script = os.path.join(which_exec.object_path, getattr(cdist_object, 'code_%s_path' % which))
return which_exec.run_script(script) return which_exec.run_script(script)
def run_code_local(self, cdist_object): def run_code_local(self, cdist_object):

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@ -95,10 +95,14 @@ class Explorer(object):
def list_type_explorer_names(self, cdist_type): def list_type_explorer_names(self, cdist_type):
"""Return a list of explorer names for the given type.""" """Return a list of explorer names for the given type."""
source = os.path.join(self.local.type_path, cdist_type.explorer_path) source = os.path.join(self.local.type_path, cdist_type.explorer_path)
try:
return os.listdir(source) return os.listdir(source)
except EnvironmentError:
return []
def transfer_type_explorers(self, cdist_type): def transfer_type_explorers(self, cdist_type):
"""Transfer the type explorers for the given type to the remote side.""" """Transfer the type explorers for the given type to the remote side."""
if cdist_type.explorers:
source = os.path.join(self.local.type_path, cdist_type.explorer_path) source = os.path.join(self.local.type_path, cdist_type.explorer_path)
destination = os.path.join(self.remote.type_path, cdist_type.explorer_path) destination = os.path.join(self.remote.type_path, cdist_type.explorer_path)
self.remote.mkdir(destination) self.remote.mkdir(destination)

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@ -79,9 +79,12 @@ class Manifest(object):
env = os.environ.copy() env = os.environ.copy()
env.update(self.env) env.update(self.env)
env['__manifest'] = self.local.manifest_path env['__manifest'] = self.local.manifest_path
env['__cdist_manifest'] = script
return self.local.run_script(script, env=env) return self.local.run_script(script, env=env)
def run_type_manifest(self, cdist_object): def run_type_manifest(self, cdist_object):
script = os.path.join(self.local.type_path, cdist_object.type.manifest_path)
if os.path.isfile(script):
env = os.environ.copy() env = os.environ.copy()
env.update(self.env) env.update(self.env)
env.update({ env.update({
@ -89,6 +92,6 @@ class Manifest(object):
'__object_id': cdist_object.object_id, '__object_id': cdist_object.object_id,
'__object_fq': cdist_object.path, '__object_fq': cdist_object.path,
'__type': cdist_object.type.absolute_path, '__type': cdist_object.type.absolute_path,
'__cdist_manifest': script,
}) })
script = os.path.join(self.local.type_path, cdist_object.type.manifest_path)
return self.local.run_script(script, env=env) return self.local.run_script(script, env=env)

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@ -73,6 +73,7 @@ class Local(object):
def create_directories(self): def create_directories(self):
self.mkdir(self.out_path) self.mkdir(self.out_path)
self.mkdir(self.global_explorer_out_path)
self.mkdir(self.bin_path) self.mkdir(self.bin_path)
def rmdir(self, path): def rmdir(self, path):
@ -83,6 +84,7 @@ class Local(object):
def mkdir(self, path): def mkdir(self, path):
"""Create directory on the local side.""" """Create directory on the local side."""
self.log.debug("Local mkdir: %s", path) self.log.debug("Local mkdir: %s", path)
# FIXME: dont set mode here, fix unittest mkdtemp instead
os.makedirs(path, mode=0o700, exist_ok=True) os.makedirs(path, mode=0o700, exist_ok=True)
def run(self, command, env=None): def run(self, command, env=None):

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@ -37,7 +37,7 @@ my_dir = op.abspath(op.dirname(__file__))
fixtures = op.join(my_dir, 'fixtures') fixtures = op.join(my_dir, 'fixtures')
local_base_path = fixtures local_base_path = fixtures
class ExplorerClassTestCase(unittest.TestCase): class CodeTestCase(unittest.TestCase):
def mkdtemp(self, **kwargs): def mkdtemp(self, **kwargs):
return tempfile.mkdtemp(prefix='tmp.cdist.test.', **kwargs) return tempfile.mkdtemp(prefix='tmp.cdist.test.', **kwargs)
@ -134,33 +134,3 @@ class ExplorerClassTestCase(unittest.TestCase):
self.assertEqual(output_dict['__object'], self.cdist_object.absolute_path) self.assertEqual(output_dict['__object'], self.cdist_object.absolute_path)
self.assertEqual(output_dict['__object_id'], self.cdist_object.object_id) self.assertEqual(output_dict['__object_id'], self.cdist_object.object_id)
self.assertEqual(output_dict['__object_fq'], self.cdist_object.path) self.assertEqual(output_dict['__object_fq'], self.cdist_object.path)
'''
def test_list_type_explorer_names(self):
cdist_type = core.Type(self.local.type_path, '__test_type')
expected = cdist_type.explorers
self.assertEqual(self.explorer.list_type_explorer_names(cdist_type), expected)
def test_transfer_type_explorers(self):
cdist_type = core.Type(self.local.type_path, '__test_type')
self.explorer.transfer_type_explorers(cdist_type)
source = os.path.join(self.local.type_path, cdist_type.explorer_path)
destination = os.path.join(self.remote.type_path, cdist_type.explorer_path)
self.assertEqual(os.listdir(source), os.listdir(destination))
def test_transfer_object_parameters(self):
cdist_type = core.Type(self.local.type_path, '__test_type')
cdist_object = core.Object(cdist_type, self.local.object_path, 'whatever')
cdist_object.parameters = {'first': 'first value', 'second': 'second value'}
self.explorer.transfer_object_parameters(cdist_object)
source = os.path.join(self.local.object_path, cdist_object.parameter_path)
destination = os.path.join(self.remote.object_path, cdist_object.parameter_path)
self.assertEqual(os.listdir(source), os.listdir(destination))
def test_run_type_explorer(self):
cdist_type = core.Type(self.local.type_path, '__test_type')
cdist_object = core.Object(cdist_type, self.local.object_path, 'whatever')
self.explorer.transfer_type_explorers(cdist_type)
output = self.explorer.run_type_explorer('world', cdist_object)
self.assertEqual(output, 'hello\n')
'''