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from leapp.actors import Actor
from leapp.libraries.common import dnfplugin
from leapp.models import (
DNFPluginTask,
DNFWorkaround,
FilteredRpmTransactionTasks,
StorageInfo,
TargetOSInstallationImage,
TargetUserSpaceInfo,
UsedTargetRepositories,
XFSPresence
)
from leapp.tags import IPUWorkflowTag, TargetTransactionChecksPhaseTag
class DnfTransactionCheck(Actor):
"""
This actor tries to solve the RPM transaction to verify the all package dependencies can be successfully resolved.
"""
name = 'dnf_transaction_check'
consumes = (
DNFPluginTask,
DNFWorkaround,
FilteredRpmTransactionTasks,
StorageInfo,
TargetOSInstallationImage,
TargetUserSpaceInfo,
UsedTargetRepositories,
XFSPresence,
)
produces = ()
tags = (IPUWorkflowTag, TargetTransactionChecksPhaseTag)
def process(self):
xfs_info = next(self.consume(XFSPresence), XFSPresence())
storage_info = next(self.consume(StorageInfo), StorageInfo())
used_repos = self.consume(UsedTargetRepositories)
plugin_info = list(self.consume(DNFPluginTask))
tasks = next(self.consume(FilteredRpmTransactionTasks), FilteredRpmTransactionTasks())
target_userspace_info = next(self.consume(TargetUserSpaceInfo), None)
target_iso = next(self.consume(TargetOSInstallationImage), None)
if target_userspace_info:
dnfplugin.perform_transaction_check(
tasks=tasks, used_repos=used_repos, target_userspace_info=target_userspace_info,
xfs_info=xfs_info, storage_info=storage_info, plugin_info=plugin_info, target_iso=target_iso
)