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https://pagure.io/fm-orchestrator.git
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f2a236bc74
Imagine we have "platform:f29.0.0" and "platform:f29.1.0" base modules. We also have "DBI" module we want to build agaisnt "platform:f29.1.0". This "DBI" module depends on "perl" module which is only build against "platform:f29.0.0". Currently, DBI build would fail to resolve the dependencies, because it wouldn't find "perl" module, because it is built against different platform stream. This PR changes the MSE code to include buildrequired module builds built against all the compatible platform streams. It does so by introducing following changes: - MSE code uses new get_base_module_mmds() method to find out all the compatible platform modules. This needed new methods in DBResolver and MBSResolver. - For each buildrequired module defined by name:stream, the MSE code then finds particular NSVC built against each compatible platform module. Side effect of these code changes is that every module now must buildrequire some base module.
118 lines
4.0 KiB
Python
118 lines
4.0 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright (c) 2018 Red Hat, Inc.
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in all
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# copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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#
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# Written by Filip Valder <fvalder@redhat.com>
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"""Generic resolver functions."""
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import six
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from abc import ABCMeta, abstractmethod
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import module_build_service.config as cfg
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from module_build_service import conf, Modulemd
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class GenericResolver(six.with_metaclass(ABCMeta)):
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"""
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External Api for resolvers
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"""
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_resolvers = cfg.SUPPORTED_RESOLVERS
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backend = "generic"
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backends = {}
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@classmethod
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def register_backend_class(cls, backend_class):
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GenericResolver.backends[backend_class.backend] = backend_class
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@classmethod
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def create(cls, config, backend=None, **extra):
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"""
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:param backend: a string representing resolver e.g. 'db'
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Any additional arguments are optional extras which can be passed along
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and are implementation-dependent.
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"""
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# get the appropriate resolver backend via configuration
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if not backend:
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backend = conf.resolver
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if backend in GenericResolver.backends:
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return GenericResolver.backends[backend](config, **extra)
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else:
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raise ValueError("Resolver backend='%s' not recognized" % backend)
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@classmethod
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def supported_builders(cls):
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if cls is GenericResolver:
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return {k: v['builders'] for k, v in cls._resolvers.items()}
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else:
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try:
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return cls._resolvers[cls.backend]['builders']
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except KeyError:
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raise RuntimeError("No configuration of builder backends found "
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"for resolver {}".format(cls))
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@classmethod
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def is_builder_compatible(cls, builder):
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"""
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:param backend: a string representing builder e.g. 'koji'
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Get supported builder backend(s) via configuration
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"""
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if cls is not GenericResolver:
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return builder in cls.supported_builders()
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return False
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@staticmethod
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def extract_modulemd(yaml, strict=False):
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try:
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mmd = Modulemd.Module().new_from_string(yaml)
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mmd.upgrade()
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except Exception:
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raise ValueError('Invalid modulemd')
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return mmd
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@abstractmethod
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def get_module_modulemds(self, name, stream, version=None, context=None, strict=False,
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stream_version_lte=None):
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raise NotImplementedError()
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@abstractmethod
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def get_buildrequired_modulemds(self, name, stream, base_module_nsvc, strict=False):
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raise NotImplementedError()
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@abstractmethod
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def resolve_profiles(self, mmd, keys):
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raise NotImplementedError()
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@abstractmethod
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def get_module_build_dependencies(self, name=None, stream=None, version=None, mmd=None,
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context=None, strict=False):
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raise NotImplementedError()
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@abstractmethod
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def resolve_requires(self, requires):
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raise NotImplementedError()
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