forked from ungleich-public/cdist
initial rewrite of config_install
Signed-off-by: Steven Armstrong <steven@icarus.ethz.ch>
This commit is contained in:
Steven Armstrong
parent
4f7d75e604
commit
fced07634a
1 changed files with 44 additions and 130 deletions
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@ -28,11 +28,8 @@ import sys
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import tempfile
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import time
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import cdist.core
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import cdist.context
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import cdist.exec
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#import cdist.explorer
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#import cdist.manifest
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from cdist import core
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class ConfigInstall(object):
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"""Cdist main class to hold arbitrary data"""
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@ -41,58 +38,29 @@ class ConfigInstall(object):
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self.context = context
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self.log = logging.getLogger(self.context.target_host)
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self.exec_wrapper = cdist.exec.Wrapper(
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target_host = self.context.target_host,
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remote_exec=self.context.remote_exec,
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remote_copy=self.context.remote_copy)
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# Create directories other may depend on
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self.__init_local_paths()
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self.__init_remote_paths()
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# For easy access
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self.local = context.local
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self.remote = context.remote
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self.global_explorer = cdist.explorer.GlobalExplorer(self.context.global_in, out)
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self.type_explorer = cdist.explorer.GlobalExplorer(self.context.global_in, out)
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# Initialise local directory structure
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self.local.create_directories()
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# Initialise remote directory structure
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self.remote.create_directories()
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self.global_explorer = cdist.core.GlobalExplorer
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#self.manifest = cdist.manifest.Mamifest()
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self.manifest.initial_manifest()
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self.manifest.type_manifest(cdist_object)
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self.global_explorer.run()?
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self.type_explorer.run(cdist_object)?
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self.log = logging.getLogger(self.context.target_host)
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self.explorer = core.Explorer(self.context.target_host, self.local, self.remote)
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self.manifest = core.Manifest(self.context.target_host, self.local)
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self.code = core.Code(self.context.target_host, self.local, self.remote)
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# Setup env to be used by others - FIXME
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self.__init_env()
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def __init_remote_paths(self):
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"""Initialise remote directory structure"""
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self.exec_wrapper.remove_remote_path(self.context.remote_base_path)
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self.exec_wrapper.remote_mkdir(self.context.remote_base_path)
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self.exec_wrapper.remote_mkdir(self.context.remote_conf_path)
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def __init_local_paths(self):
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"""Initialise local directory structure"""
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# Create base dir, if user supplied and not existing
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if not os.path.isdir(self.context.base_path):
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os.mkdir(self.context.base_path)
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# FIXME: raise more beautiful exception / Steven: handle exception
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os.mkdir(self.context.out_path)
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os.mkdir(self.context.bin_path)
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# os.environ['__target_host'] = self.context.target_host
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# if self.context.debug:
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# os.environ['__debug'] = "yes"
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def cleanup(self):
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self.log.debug("Saving " + self.context.out_path + " to " + self.context.cache_path)
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if os.path.exists(self.context.cache_path):
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shutil.rmtree(self.context.cache_path)
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shutil.move(self.context.out_path, self.context.cache_path)
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# FIXME: move to local?
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self.log.debug("Saving " + self.local.out_path + " to " + self.local.cache_path)
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if os.path.exists(self.local.cache_path):
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shutil.rmtree(self.local.cache_path)
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shutil.move(self.local.out_path, self.local.cache_path)
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def deploy_to(self):
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"""Mimic the old deploy to: Deploy to one host"""
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@ -110,9 +78,9 @@ class ConfigInstall(object):
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def stage_prepare(self):
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"""Do everything for a deploy, minus the actual code stage"""
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self.link_emulator()
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self.global_explorer_run()
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self.run_initial_manifest()
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self.local.link_emulator()
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self.run_global_explorers()
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self.manifest.run_initial_manifest(self.context.initial_manifest)
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self.log.info("Running object manifests and type explorers")
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@ -120,8 +88,8 @@ class ConfigInstall(object):
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new_objects_created = True
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while new_objects_created:
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new_objects_created = False
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for cdist_object in cdist.core.Object.list_objects(self.object_base_path,
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self.context.type_base_path):
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for cdist_object in core.Object.list_objects(self.local.object_path,
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self.local.type_path):
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if cdist_object.prepared:
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self.log.debug("Skipping rerun of object %s", cdist_object)
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continue
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@ -129,17 +97,15 @@ class ConfigInstall(object):
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self.object_prepare(cdist_object)
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new_objects_created = True
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def self.global_explorer_run()
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def run_global_explorers(self):
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"""Run global explorers and save output"""
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output = self.global_explorer.run()
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for explorer in output:
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outfile = os.path.join(self.context.global_explorer_out_path,
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explorer)
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outfile_fd = open(outfile, "w")
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outfile_fd.write()
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# FIXME: move to explorer, pass global_explorer_out_path as argument
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self.explorer.transfer_global_explorers()
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for explorer in self.explorer.list_global_explorer_names():
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output = self.explorer.run_global_explorer(explorer)
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path = os.path.join(self.local.global_explorer_out_path, explorer)
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with open(path, 'w') as fd:
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fd.write(output)
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def object_prepare(self, cdist_object):
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"""Prepare object: Run type explorer + manifest"""
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@ -160,78 +126,26 @@ class ConfigInstall(object):
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for requirement in cdist_object.requirements:
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self.log.debug("Object %s requires %s", cdist_object, requirement)
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# FIXME: requirement is a string, need to create object here
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self.object_run(requirement)
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#
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# Setup env Variable:
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#
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env = os.environ.copy()
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env['__target_host'] = self.context.target_host
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env['__global'] = self.context.out_path
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env["__object"] = os.path.join(self.object_base_path, cdist_object.path)
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env["__object_id"] = cdist_object.object_id
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env["__object_fq"] = cdist_object.name
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env["__type"] = cdist_type.name
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# Generate
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cdist_object.code_local = self.code.run_gencode_local(cdist_object)
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cdist_object.code_remote = self.code.run_gencode_remote(cdist_object)
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if cdist_object.code_local or cdist_object.code_remote:
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cdist_object.changed = True
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# gencode
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for cmd in ["local", "remote"]:
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bin = os.path.join(self.context.type_base_path,
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getattr(cdist_type, "gencode_" + cmd + "_path"))
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if os.path.isfile(bin):
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outfile = os.path.join(self.object_base_path,
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getattr(cdist_object, "code_" + cmd + "_path"))
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outfile_fd = open(outfile, "w")
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# Need to flush to ensure our write is done before stdout write
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# FIXME: code header still needed?
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outfile_fd.write(CODE_HEADER)
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outfile_fd.flush()
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cdist.exec.shell_run_or_debug_fail(bin, [bin], env=env, stdout=outfile_fd)
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outfile_fd.close()
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status = os.stat(outfile)
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# Remove output if empty, else make it executable
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if status.st_size == len(CODE_HEADER):
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os.unlink(outfile)
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else:
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# Add header and make executable - identically to 0o700
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os.chmod(outfile, stat.S_IXUSR | stat.S_IRUSR | stat.S_IWUSR)
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cdist_object.changed=True
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# code local
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code_local = cdist_object.code_local_path
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if os.path.isfile(code_local):
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cdist.exec.run_or_fail([code_local])
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# code remote
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local_remote_code = os.path.join(self.object_base_path,
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cdist_object.code_remote_path)
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remote_remote_code = os.path.join(self.remote_object_path,
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cdist_object.code_remote_path)
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if os.path.isfile(local_remote_code):
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self.context.transfer_path(local_remote_code, remote_remote_code)
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cdist.exec.run_or_fail([remote_remote_code], remote_prefix=True)
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cdist_object.ran = True
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def link_emulator(self):
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"""Link emulator to types"""
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src = os.path.abspath(self.context.exec_path)
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for cdist_type in cdist.core.Type.list_types(self.context.type_base_path):
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dst = os.path.join(self.context.bin_path, cdist_type.name)
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self.log.debug("Linking emulator: %s to %s", src, dst)
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# FIXME: handle exception / make it more beautiful / Steven: raise except :-)
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os.symlink(src, dst)
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# Execute
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if cdist_object.code_local:
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self.code.run_code_local(cdist_object)
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if cdist_object.code_remote:
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self.code.transfer_code_remote(cdist_object)
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self.code.run_code_remote(cdist_object)
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def stage_run(self):
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"""The final (and real) step of deployment"""
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self.log.info("Generating and executing code")
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for cdist_object in cdist.core.Object.list_objects(self.object_base_path,
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self.context.type_base_path):
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for cdist_object in cdist.core.Object.list_objects(self.local.object_path,
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self.local.type_path):
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self.log.debug("Run object: %s", cdist_object)
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self.object_run(cdist_object)
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