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add dry_run option to object_run

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Signed-off-by: Nico Schottelius <nico@brief.schottelius.org>
This commit is contained in:
Nico Schottelius 2012-12-19 19:36:00 +01:00
parent eb93d1bebd
commit c270538072
1 changed files with 56 additions and 34 deletions
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90
cdist/config_install.py
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@ -104,11 +104,10 @@ class ConfigInstall(object):
self.manifest.run_type_manifest(cdist_object)
cdist_object.state = core.CdistObject.STATE_PREPARED
def object_run(self, cdist_object):
def object_run(self, cdist_object, dry_run=False):
"""Run gencode and code for an object"""
self.log.debug("Trying to run object " + cdist_object.name)
if cdist_object.state == core.CdistObject.STATE_DONE:
# TODO: remove once we are sure that this really never happens.
raise cdist.Error("Attempting to run an already finished object: %s", cdist_object)
cdist_type = cdist_object.cdist_type
@ -121,51 +120,74 @@ class ConfigInstall(object):
cdist_object.changed = True
# Execute
if cdist_object.code_local:
self.code.run_code_local(cdist_object)
if cdist_object.code_remote:
self.code.transfer_code_remote(cdist_object)
self.code.run_code_remote(cdist_object)
if not dry_run:
if cdist_object.code_local:
self.code.run_code_local(cdist_object)
if cdist_object.code_remote:
self.code.transfer_code_remote(cdist_object)
self.code.run_code_remote(cdist_object)
# Mark this object as done
self.log.debug("Finishing run of " + cdist_object.name)
cdist_object.state = core.CdistObject.STATE_DONE
def stage_run_prepare(self):
"""Prepare the run stage"""
self.objects = core.CdistObject.list_objects(
self.local.object_path,
self.local.type_path)
self.all_resolved = False
self.objects_changed = False
print("srp: %s - %s objects: %s" % (self.local.object_path, self.local.type_path, list(self.objects)))
def stage_run(self):
"""The final (and real) step of deployment"""
self.log.info("Generating and executing code")
objects = core.CdistObject.list_objects(
self.local.object_path,
self.local.type_path)
self.stage_run_prepare()
# FIXME:
# - think about parallel execution (same for stage_prepare)
# - catch unresolvable trees
all_resolved = False
objects_changed = False
while not all_resolved:
while not self.all_resolved:
self.stage_run_iterate()
object_state_list=' '.join('%s:%s:%s' % (o, o.state, o.all_requirements()) for o in objects)
self.log.debug("Object state (name:state:requirements): %s" % object_state_list)
def stage_run_iterate(self):
logging.root.setLevel(logging.DEBUG)
"""
Run one iteration of the run
all_resolved = True
for cdist_object in objects:
To be repeated until all objects are done
"""
object_state_list=' '.join('%s:%s:%s' % (o, o.state, o.all_requirements()) for o in self.objects)
self.log.debug("Object state (name:state:requirements): %s" % object_state_list)
print("Object state (name:state:requirements): %s" % object_state_list)
self.all_resolved = True
for cdist_object in self.objects:
if not cdist_object.state == cdist_object.STATE_DONE:
self.all_resolved = False
if cdist_object.satisfied_requirements:
self.object_run(cdist_object)
self.objects_changed = True
# Not all are resolved, but nothing has been changed => bad dependencies!
if not self.objects_changed and not self.all_resolved:
# Create list of unfinished objects + their requirements for print
evil_objects = []
good_objects = []
for cdist_object in self.objects:
if not cdist_object.state == cdist_object.STATE_DONE:
all_resolved = False
if cdist_object.satisfied_requirements:
self.object_run(cdist_object)
objects_changed = True
evil_objects.append("%s: required: %s, autorequired: %s" %
(cdist_object.name, cdist_object.requirements, cdist_object.autorequire))
else:
evil_objects.append("%s (%s): required: %s, autorequired: %s" %
(cdist_object.state, cdist_object.name,
cdist_object.requirements, cdist_object.autorequire))
# Reran, but no object was solved
if not objects_changed:
# Create list of unfinished objects + their requirements for print
evil_objects = []
for cdist_object in objects:
if not cdist_object.state == cdist_object.STATE_DONE:
evil_objects.append("%s (required: %s, autorequired: %s" %
(cdist_object.name, cdist_object.requirements, cdist_object.autorequire))
raise cdist.Error("Cannot solve requirements for the following objects: %s" %
(",".join(evil_objects)))
errormessage = "Cannot solve requirements for the following objects: %s - solved: %s" % (",".join(evil_objects), ",".join(good_objects))
raise cdist.Error(errormessage)