/stdhome

To get this branch, use:
bzr branch http://bzr.ed.am/stdhome

« back to all changes in this revision

Viewing changes to lib/stdhome/deployment.py

  • Committer: Tim Marston
  • Date: 2016-04-10 20:20:56 UTC
  • Revision ID: tim@ed.am-20160410202056-x0mo1ktjbjgqe2pr
added symlink to executable

Show diffs side-by-side

added added

removed removed

lib/stdhome/deployment.py
43
43
                """
44
44
 
45
45
                # list of files that were copied-in (or at least given the opportunity
46
 
        # to be) and updated through the vcs update.  This means that, while
47
 
        # there may have been conflicts during the update (which the user will
48
 
        # have to deal with in the repo), any conflicts arising with these files
49
 
        # in the home directory are no longer important and can be ignored.  In
50
 
        # short, this is a list of files that can safely be deployed, regardless
51
 
        # of the state of the home directory.
52
 
                self.deploy_files = None
 
46
                # to be) and updated through the vcs update.  This means that, while
 
47
                # there may have been conflicts during the update (which the user will
 
48
                # have to have dealt with in the repo), any conflicts arising with these
 
49
                # files in the home directory are no longer important and can be
 
50
                # ignored.  In short, this is a list of files that can safely be
 
51
                # deployed, regardless of the state of the home directory.
 
52
                self.imported_files = None
53
53
 
54
54
                # list of files that were affected by a recent vcs update (so only these
55
55
                # files need to be checked for deployment conflicts or copied-out)
67
67
                        return
68
68
 
69
69
                # read the file list
70
 
                if the.verbose: print "deployment state found; loading"
 
70
                if the.verbose >= 1: print "deployment state found; loading"
71
71
                f = open( file, 'r' )
72
72
                state = json.loads( f.read() )
73
73
 
74
74
                # unpack deployment state
75
 
                self.deploy_files = state['deploy_files'];
76
 
                self.initial_revno = state['initial_revno'];
77
 
                self.affected_files = state['affected_files'];
 
75
                if 'imported_files' in state:
 
76
                        self.imported_files = state['imported_files'];
 
77
                if 'initial_revno' in state:
 
78
                        self.initial_revno = state['initial_revno'];
 
79
                if 'affected_files' in state:
 
80
                        self.affected_files = state['affected_files'];
78
81
 
79
82
 
80
83
        def save_deployment_state( self ):
81
84
                """Save the current deployment state (so there will be a deployment ongoing).
82
85
                """
83
86
 
84
 
                if the.verbose: print "saving deployment state"
 
87
                if the.verbose >= 1: print "saving deployment state"
85
88
 
86
89
                # create metadata directory, as necessary
87
90
                if not os.path.isdir( the.full_mddir ):
89
92
 
90
93
                # pack deployment state
91
94
                state = {
92
 
                        'deploy_files': self.deploy_files,
 
95
                        'imported_files': self.imported_files,
93
96
                        'initial_revno': self.initial_revno,
94
97
                        'affected_files': self.affected_files,
95
98
                }
109
112
                if( os.path.isfile( file ) ):
110
113
 
111
114
                        # delete it
112
 
                        if the.verbose: print "removing deployment state"
 
115
                        if the.verbose >= 1: print "removing deployment state"
113
116
                        os.unlink( file )
114
117
 
115
118
 
117
120
                """Is there a deployment currently ongoing?
118
121
                """
119
122
 
120
 
                return False if self.deploy_files is None else True
 
123
                return False if self.imported_files is None else True
121
124
 
122
125
 
123
126
        def check_ongoing( self, ongoing = True ):
126
129
                """
127
130
 
128
131
                if( ongoing ):
129
 
                        if self.deploy_files is None:
 
132
                        if self.imported_files is None:
130
133
                                raise self.DeploymentOngoing( False )
131
134
                else:
132
 
                        if self.deploy_files is not None:
 
135
                        if self.imported_files is not None:
133
136
                                raise self.DeploymentOngoing( True )
134
137
 
135
138
 
150
153
 
151
154
                # if the repo doesn't exist, we have an empty file list
152
155
                if not os.path.exists( the.repo.full_dir ):
153
 
                        self.deploy_files = list()
 
156
                        self.imported_files = list()
154
157
                else:
155
158
                        # copy in
156
 
                        if the.verbose: print "importing files..."
 
159
                        if the.verbose >= 1: print "importing files..."
157
160
                        walker = CopyInWalker()
158
161
                        walker.walk()
159
 
                        self.deploy_files = walker.walk_list
 
162
                        self.imported_files = walker.walk_list
160
163
 
161
164
                        # obtain initial revno
162
165
                        self.initial_revno = the.repo.vcs.get_revno()
166
169
 
167
170
 
168
171
        def get_conflicts( self, affected_files = None ):
169
 
                """Check to see if there are any delpoyment conflicts.  If a list of affected
 
172
                """Check to see if there are any deployment conflicts.  If a list of affected
170
173
                files is supplied, then only those files are checked (and they are also
171
174
                saved with the deployment state).  Otherwise, all files in the
172
175
                repository are checked.
181
184
                        self.save_deployment_state()
182
185
 
183
186
                # check for deployment conflicts
184
 
                walker = ConflictWalker( self.deploy_files, self.affected_files )
 
187
                walker = ConflictWalker( self.imported_files, self.affected_files )
185
188
                walker.walk()
186
189
 
187
190
                self.conflicts_checked = True
188
191
                return walker.changed + walker.obstructed
189
192
 
190
193
 
191
 
        def copy_out( self ):
192
 
                """Copy-out changed files frmo the repository to the home directory.  If the
193
 
                deployment state incudes a list of affected files, then only those fiels
194
 
                are copied-out.
 
194
        def copy_out( self, quiet ):
 
195
                """Copy-out changed files from the repository to the home directory.  If the
 
196
                deployment state includes a list of affected files, then only those
 
197
                files are copied-out.
195
198
                """
196
199
 
197
200
                # check we have a file list
202
205
                        raise RuntimeError('logic error: deployment conflicts unchecked' )
203
206
 
204
207
                # copy out
205
 
                if the.verbose: print "exporting files..."
206
 
                walker = CopyOutWalker( self.affected_files )
 
208
                if the.verbose >= 1: print "exporting files..."
 
209
                walker = CopyOutWalker( self.affected_files, quiet )
207
210
                walker.walk()
208
211
 
209
212
                # clear state
217
220
                                self.msg = "there is an ongoing deployment"
218
221
                        else:
219
222
                                self.msg = "there is no ongoing deployment"
220
 
 
221
 
 
222
 
        class CopyInConflicts( the.program.FatalError ):
223
 
 
224
 
                def __init__( self, conflicts ):
225
 
                        self.conflicts = conflicts