slapos_upgrader: generate a graph showing the virtual master relation

master/bt5/slapos_upgrader/SkinTemplateItem/portal_skins/slapos_upgrader/Base_reportVirtualMasterMigration.py

+# https://playground.diagram.codes/d/graph
+portal = context.getPortalObject()
+
+print "ARROWS"
+print ""
+
+project_dict = {}
+remote_project_dict = {}
+
+group_by_list = ["follow_up__uid"]
+sql_result_list = context.getPortalObject().portal_catalog(
+  select_list=group_by_list+['count(*)'],
+  portal_type="Instance Tree",
+  slap_state=["start_requested", "stop_requested"],
+  group_by=group_by_list
+)
+for sql_result in sql_result_list:
+  project_dict[sql_result.getFollowUpUid()] = {
+    'title': '%s (%s)' % (sql_result.getFollowUpTitle(), sql_result['count(*)']),
+    'remote_uid_list': []
+  }
+
+  for sql_remote in context.getPortalObject().portal_catalog(
+    portal_type="Remote Node",
+    follow_up__uid=sql_result.getFollowUpUid()
+  ):
+    project_dict[sql_result.getFollowUpUid()]['remote_uid_list'].append(sql_remote.getDestinationProjectUid())
+    remote_project_dict[sql_remote.getDestinationProjectUid()] = True
+
+  project_dict[sql_result.getFollowUpUid()]['remote_uid_list'] = sorted(project_dict[sql_result.getFollowUpUid()]['remote_uid_list'])
+
+# Calculate all the nodes
+# Remote projects will be standalone
+# Other project will be grouped by their remote
+display_dict = {}
+for project_uid, project_value_dict in project_dict.items():
+  if project_uid in remote_project_dict:
+    display_dict[project_uid] = project_value_dict
+  else:
+    remote_key = 'remote_%s' % ''.join(sorted([str(x) for x in project_value_dict['remote_uid_list']])) or 'couscous'
+    if remote_key not in display_dict:
+      display_dict[remote_key] = {
+        'remote_uid_list': project_value_dict['remote_uid_list'],
+        'title': project_value_dict['title']
+      }
+    else:
+      display_dict[remote_key]['title'] = '%s\n%s' % (display_dict[remote_key]['title'], project_value_dict['title'])
+
+for display_key, display_value in display_dict.items():
+  print '"%s" as %s' % (display_value['title'], display_key)
+print ''
+
+for display_key, display_value in display_dict.items():
+  has_remote = False
+  for remote_uid in display_value['remote_uid_list']:
+    if remote_uid in display_dict:
+      # only not destroyed links
+      has_remote = True
+      print '%s->%s' % (display_key, remote_uid)
+  if (not has_remote) and (display_key not in remote_project_dict):
+    print '%s->%s' % (display_key, display_key)
+print ''
+
+
+return printed

master/bt5/slapos_upgrader/SkinTemplateItem/portal_skins/slapos_upgrader/Base_reportVirtualMasterMigration.xml

+<?xml version="1.0"?>
+<ZopeData>
+  <record id="1" aka="AAAAAAAAAAE=">
+    <pickle>
+      <global name="PythonScript" module="Products.PythonScripts.PythonScript"/>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>_bind_names</string> </key>
+            <value>
+              <object>
+                <klass>
+                  <global name="_reconstructor" module="copy_reg"/>
+                </klass>
+                <tuple>
+                  <global name="NameAssignments" module="Shared.DC.Scripts.Bindings"/>
+                  <global name="object" module="__builtin__"/>
+                  <none/>
+                </tuple>
+                <state>
+                  <dictionary>
+                    <item>
+                        <key> <string>_asgns</string> </key>
+                        <value>
+                          <dictionary>
+                            <item>
+                                <key> <string>name_container</string> </key>
+                                <value> <string>container</string> </value>
+                            </item>
+                            <item>
+                                <key> <string>name_context</string> </key>
+                                <value> <string>context</string> </value>
+                            </item>
+                            <item>
+                                <key> <string>name_m_self</string> </key>
+                                <value> <string>script</string> </value>
+                            </item>
+                            <item>
+                                <key> <string>name_subpath</string> </key>
+                                <value> <string>traverse_subpath</string> </value>
+                            </item>
+                          </dictionary>
+                        </value>
+                    </item>
+                  </dictionary>
+                </state>
+              </object>
+            </value>
+        </item>
+        <item>
+            <key> <string>_params</string> </key>
+            <value> <string></string> </value>
+        </item>
+        <item>
+            <key> <string>id</string> </key>
+            <value> <string>Base_reportVirtualMasterMigration</string> </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
+</ZopeData>