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Viewing changes to lib/stdhome/deployment.py

  • Committer: Tim Marston
  • Date: 2014-04-18 14:47:58 UTC
  • Revision ID: tim@ed.am-20140418144758-78lktgncp0j5wxfu
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lib/stdhome/deployment.py
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                # list of files that were copied-in (or at least given the opportunity
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        # to be) and updated through the vcs update.  This means that, while
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        # there may have been conflicts during the update (which will be dealt
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        # with in the repo), any conflicts arising with these files in the home
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        # directory are no longer important and can be ignored.  In short, this
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        # is a list of files that it is safe to deploy, regardless of their
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        # state in the home directory.
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                self.deploy_files = None
 
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        # there may have been conflicts during the update (which the user will
 
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        # have to have dealt with in the repo), any conflicts arising with these
 
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        # files in the home directory are no longer important and can be
 
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        # ignored.  In short, this is a list of files that can safely be
 
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        # deployed, regardless of the state of the home directory.
 
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                self.imported_files = None
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                # list of files that were affected by a recent vcs update (so only these
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                # files need to be checked for deployment conflicts or copied-out)
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                        return
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                # read the file list
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                if the.verbose: print "deployment state found; loading"
 
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                if the.verbose >= 1: print "deployment state found; loading"
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                f = open( file, 'r' )
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                state = json.loads( f.read() )
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                # unpack deployment state
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                self.deploy_files = state['deploy_files'];
 
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                self.imported_files = state['imported_files'];
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                self.initial_revno = state['initial_revno'];
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                self.affected_files = state['affected_files'];
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                """Save the current deployment state (so there will be a deployment ongoing).
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                """
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                if the.verbose: print "saving deployment state"
 
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                if the.verbose >= 1: print "saving deployment state"
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                # create metadata directory, as necessary
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                if not os.path.isdir( the.full_mddir ):
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                # pack deployment state
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                state = {
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                        'deploy_files': self.deploy_files,
 
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                        'imported_files': self.imported_files,
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                        'initial_revno': self.initial_revno,
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                        'affected_files': self.affected_files,
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                }
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                if( os.path.isfile( file ) ):
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                        # delete it
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                        if the.verbose: print "removing deployment state"
 
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                        if the.verbose >= 1: print "removing deployment state"
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                        os.unlink( file )
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                """Is there a deployment currently ongoing?
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                """
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                return False if self.deploy_files is None else True
 
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                return False if self.imported_files is None else True
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        def check_ongoing( self, ongoing = True ):
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                """
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                if( ongoing ):
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                        if self.deploy_files is None:
 
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                        if self.imported_files is None:
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                                raise self.DeploymentOngoing( False )
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                else:
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                        if self.deploy_files is not None:
 
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                        if self.imported_files is not None:
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                                raise self.DeploymentOngoing( True )
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                # if the repo doesn't exist, we have an empty file list
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                if not os.path.exists( the.repo.full_dir ):
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                        self.deploy_files = list()
 
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                        self.imported_files = list()
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                else:
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                        # copy in
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                        if the.verbose: print "importing files..."
 
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                        if the.verbose >= 1: print "importing files..."
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                        walker = CopyInWalker()
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                        walker.walk()
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                        if( walker.changed ):
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                                raise self.CopyInConflicts( walker.changed )
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                        self.deploy_files = walker.walk_list
 
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                        self.imported_files = walker.walk_list
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                        # obtain initial revno
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                        self.initial_revno = the.repo.vcs.get_revno()
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        def get_conflicts( self, affected_files = None ):
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                """Check to see if there are any delpoyment conflicts.  If a list of affected
 
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                """Check to see if there are any deployment conflicts.  If a list of affected
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                files is supplied, then only those files are checked (and they are also
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                saved with the deployment state).  Otherwise, all files in the
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                repository are checked.
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                        self.save_deployment_state()
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                # check for deployment conflicts
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                walker = ConflictWalker( self.deploy_files, self.affected_files )
 
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                walker = ConflictWalker( self.imported_files, self.affected_files )
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                walker.walk()
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                self.conflicts_checked = True
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        def copy_out( self ):
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                """Copy-out changed files frmo the repository to the home directory.  If the
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                deployment state incudes a list of affected files, then only those fiels
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                are copied-out.
 
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                """Copy-out changed files from the repository to the home directory.  If the
 
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                deployment state includes a list of affected files, then only those
 
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                files are copied-out.
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                """
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                # check we have a file list
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                        raise RuntimeError('logic error: deployment conflicts unchecked' )
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                # copy out
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                if the.verbose: print "exporting files..."
 
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                if the.verbose >= 1: print "exporting files..."
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                walker = CopyOutWalker( self.affected_files )
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                walker.walk()
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