fancsali/cdist-backup
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new feature: dependency resolver

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Steven Armstrong 2012-01-19 07:51:02 +01:00
commit 252ae5ea56
22 changed files with 271 additions and 45 deletions
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26
lib/cdist/emulator.py
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@ -154,30 +154,18 @@ class Emulator(object):
if len(requirement) == 0:
continue
self.log.debug("Recording requirement: " + requirement)
requirement_parts = requirement.split(os.sep, 1)
requirement_type_name = requirement_parts[0]
try:
requirement_object_id = requirement_parts[1]
except IndexError:
# no object id, assume singleton
requirement_object_id = 'singleton'
# Remove leading / from object id
requirement_object_id = requirement_object_id.lstrip('/')
requirement_type_name, requirement_object_id = core.Object.split_name(requirement)
# Instantiate type which fails if type does not exist
requirement_type = core.Type(self.type_base_path, requirement_type_name)
if requirement_object_id == 'singleton' \
and not requirement_type.is_singleton:
if requirement_object_id:
# Validate object_id if any
core.Object.validate_object_id(requirement_object_id)
elif not requirement_type.is_singleton:
# Only singeltons have no object_id
raise IllegalRequirementError(requirement, "Missing object_id and type is not a singleton.")
# Instantiate object which fails if the object_id is illegal
requirement_object = core.Object(requirement_type, self.object_base_path, requirement_object_id)
# Construct cleaned up requirement with only one / :-)
requirement = requirement_type_name + '/' + requirement_object_id
self.log.debug("Recording requirement: " + requirement)
self.cdist_object.requirements.append(requirement)
# Record / Append source