From 0397e77a3ec79900675ed61c45581e70c64cca38 Mon Sep 17 00:00:00 2001 From: Nico Schottelius Date: Tue, 11 Oct 2011 16:04:09 +0200 Subject: [PATCH] cleanup context Signed-off-by: Nico Schottelius --- lib/cdist/context.py | 233 ++----------------------------------------- 1 file changed, 11 insertions(+), 222 deletions(-) diff --git a/lib/cdist/context.py b/lib/cdist/context.py index 523adda0..240593db 100644 --- a/lib/cdist/context.py +++ b/lib/cdist/context.py @@ -22,43 +22,31 @@ import logging import os -import stat -import shutil -import sys -import tempfile -import time - -import cdist.core -import cdist.exec +#import stat +#import shutil +#import sys +#import tempfile +#import time +# +#import cdist.core +#import cdist.exec log = logging.getLogger(__name__) -CODE_HEADER = "#!/bin/sh -e\n" - -class ConfigInstall: - """Cdist main class to hold arbitrary data""" +class Context: + """Hold information about current context""" def __init__(self, target_host, initial_manifest=False, base_path=False, - exec_path=sys.argv[0], - debug=False): + exec_path=sys.argv[0]): self.target_host = target_host - self.debug = debug - # Only required for testing self.exec_path = exec_path - 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() - ) - - # Configure logging - FIXME: make available for others log.addFilter(self) # Base and Temp Base @@ -108,30 +96,6 @@ class ConfigInstall: self.__init_remote_paths() - 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 __init_local_paths(self): - """Initialise local directory structure""" - - # Create base dir, if user supplied and not existing - if not os.path.isdir(self.base_path): - os.mkdir(self.base_path) - - # FIXME: raise more beautiful exception / Steven: handle exception - os.mkdir(self.out_path) - os.mkdir(self.global_explorer_out_path) - os.mkdir(self.bin_path) - - def __init_env(self): - """Environment usable for other stuff""" - os.environ['__target_host'] = self.target_host - if self.debug: - os.environ['__debug'] = "yes" - def cleanup(self): # Do not use in __del__: # http://docs.python.org/reference/datamodel.html#customization @@ -151,178 +115,3 @@ class ConfigInstall: record.msg = self.target_host + ": " + record.msg return True - - def run_initial_manifest(self): - """Run the initial manifest""" - log.info("Running initial manifest %s", self.initial_manifest) - env = { "__manifest" : self.manifest_path } - self.run_manifest(self.initial_manifest, extra_env=env) - - def run_type_manifest(self, cdist_object): - """Run manifest for a specific object""" - cdist_type = cdist_object.type - manifest_path = os.path.join(self.type_base_path, - cdist_type.manifest_path) - - log.debug("%s: Running %s", cdist_object.name, manifest_path) - if os.path.exists(manifest_path): - env = { "__object" : os.path.join(self.object_base_path, - cdist_object.path), - "__object_id": cdist_object.object_id, - "__object_fq": cdist_object.name, - "__type": os.path.join(self.type_base_path, - cdist_type.path) - } - self.run_manifest(manifest_path, extra_env=env) - - def run_manifest(self, manifest_path, extra_env=None): - """Run a manifest""" - log.debug("Running manifest %s, env=%s", manifest_path, extra_env) - env = os.environ.copy() - env['PATH'] = self.bin_path + ":" + env['PATH'] - - # Information required in every manifest - env['__target_host'] = self.target_host - env['__global'] = self.out_path - - # Required for recording source in emulator - env['__cdist_manifest'] = manifest_path - - # Required to find types in emulator - env['__cdist_type_base_path'] = self.type_base_path - - # Other environment stuff - if extra_env: - env.update(extra_env) - - cdist.exec.shell_run_or_debug_fail(manifest_path, [manifest_path], env=env) - - def object_prepare(self, cdist_object): - """Prepare object: Run type explorer + manifest""" - log.debug("Preparing object: " + cdist_object.name) - self.run_type_explorer(cdist_object) - self.run_type_manifest(cdist_object) - cdist_object.prepared = True - - def object_run(self, cdist_object): - """Run gencode and code for an object""" - log.debug("Running object %s", cdist_object) - - # Catch requirements, which re-call us - if cdist_object.ran: - return - - cdist_type = cdist_object.type - - for requirement in cdist_object.requirements: - log.debug("Object %s requires %s", cdist_object, requirement) - self.object_run(requirement) - - # - # Setup env Variable: - # - env = os.environ.copy() - env['__target_host'] = self.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 - env["__object_fq"] = cdist_object.name - env["__type"] = cdist_type.name - - # gencode - for cmd in ["local", "remote"]: - bin = os.path.join(self.type_base_path, - getattr(cdist_type, "gencode_" + cmd + "_path")) - - if os.path.isfile(bin): - 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.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.exec_path) - for cdist_type in cdist.core.Type.list_types(self.type_base_path): - dst = os.path.join(self.bin_path, cdist_type.name) - log.debug("Linking emulator: %s to %s", src, dst) - - # FIXME: handle exception / make it more beautiful / Steven: raise except :-) - os.symlink(src, dst) - - def deploy_to(self): - """Mimic the old deploy to: Deploy to one host""" - log.info("Deploying to " + self.target_host) - self.stage_prepare() - self.stage_run() - - def deploy_and_cleanup(self): - """Do what is most often done: deploy & cleanup""" - start_time = time.time() - self.deploy_to() - self.cleanup() - log.info("Finished run of %s in %s seconds", - self.target_host, time.time() - start_time) - - def stage_prepare(self): - """Do everything for a deploy, minus the actual code stage""" - self.link_emulator() - self.run_global_explorers() - self.run_initial_manifest() - - log.info("Running object manifests and type explorers") - - # 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(self.object_base_path, - self.type_base_path): - if cdist_object.prepared: - log.debug("Skipping rerun of object %s", cdist_object) - continue - else: - self.object_prepare(cdist_object) - new_objects_created = True - - 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(self.object_base_path, - self.type_base_path): - log.debug("Run object: %s", cdist_object) - self.object_run(cdist_object)