Control leapp report format

Leapp-repository part of PR686 which contains appropriate changes for
the leapp preupgrade and upgrade commands.

Depends-On: oamg/leapp#686

commands/preupgrade/__init__.py

@@ -27,6 +27,8 @@
 @command_opt('target', choices=command_utils.get_supported_target_versions(),
              help='Specify RHEL version to upgrade to for {} detected upgrade flavour'.format(
                  command_utils.get_upgrade_flavour()))
+@command_opt('report-schema', help='Specify report schema version for leapp-report.json', choices=['1.0.0', '1.1.0'],
+             default=get_config().get('report', 'schema'))
 @breadcrumbs.produces_breadcrumbs
 def preupgrade(args, breadcrumbs):
     context = str(uuid.uuid4())
@@ -35,6 +37,7 @@ def preupgrade(args, breadcrumbs):
     configuration = util.prepare_configuration(args)
     answerfile_path = cfg.get('report', 'answerfile')
     userchoices_path = cfg.get('report', 'userchoices')
+    report_schema = util.process_report_schema(args, cfg)
 
     if os.getuid():
         raise CommandError('This command has to be run under the root user.')
@@ -64,7 +67,7 @@ def preupgrade(args, breadcrumbs):
 
     logger.info("Answerfile will be created at %s", answerfile_path)
     workflow.save_answers(answerfile_path, userchoices_path)
-    util.generate_report_files(context)
+    util.generate_report_files(context, report_schema)
     report_errors(workflow.errors)
     report_inhibitors(context)
     report_files = util.get_cfg_files('report', cfg)

commands/upgrade/__init__.py

@@ -32,6 +32,8 @@
 @command_opt('target', choices=command_utils.get_supported_target_versions(),
              help='Specify RHEL version to upgrade to for {} detected upgrade flavour'.format(
                  command_utils.get_upgrade_flavour()))
+@command_opt('report-schema', help='Specify report schema version for leapp-report.json', choices=['1.0.0', '1.1.0'],
+             default=get_config().get('report', 'schema'))
 @breadcrumbs.produces_breadcrumbs
 def upgrade(args, breadcrumbs):
     skip_phases_until = None
@@ -47,6 +49,8 @@ def upgrade(args, breadcrumbs):
     only_with_tags = args.only_with_tags if 'only_with_tags' in args else None
     resume_context = args.resume_context if 'resume_context' in args else None
 
+    report_schema = util.process_report_schema(args, cfg)
+
     if os.getuid():
         raise CommandError('This command has to be run under the root user.')
 
@@ -94,7 +98,7 @@ def upgrade(args, breadcrumbs):
     workflow.save_answers(answerfile_path, userchoices_path)
     report_errors(workflow.errors)
     report_inhibitors(context)
-    util.generate_report_files(context)
+    util.generate_report_files(context, report_schema)
     report_files = util.get_cfg_files('report', cfg)
     log_files = util.get_cfg_files('logs', cfg)
     report_info(report_files, log_files, answerfile_path, fail=workflow.failure)

commands/upgrade/util.py

@@ -115,7 +115,7 @@ def check_env_and_conf(env_var, conf_var, configuration):
     return os.getenv(env_var, '0') == '1' or configuration.get(conf_var, '0') == '1'
 
 
-def generate_report_files(context):
+def generate_report_files(context, report_schema):
     """
     Generates all report files for specific leapp run (txt and json format)
     """
@@ -124,8 +124,8 @@ def generate_report_files(context):
                                             'leapp-report.{}'.format(f)) for f in ['txt', 'json']]
     # fetch all report messages as a list of dicts
     messages = fetch_upgrade_report_messages(context)
-    generate_report_file(messages, context, report_json)
-    generate_report_file(messages, context, report_txt)
+    generate_report_file(messages, context, report_json, report_schema)
+    generate_report_file(messages, context, report_txt, report_schema)
 
 
 def get_cfg_files(section, cfg, must_exist=True):
@@ -199,3 +199,11 @@ def process_whitelist_experimental(repositories, workflow, configuration, logger
             if logger:
                 logger.error(msg)
             raise CommandError(msg)
+
+
+def process_report_schema(args, configuration):
+    default_report_schema = configuration.get('report', 'schema')
+    if args.report_schema and args.report_schema > default_report_schema:
+        raise CommandError('--report-schema version can not be greater that the '
+                           'actual {} one.'.format(default_report_schema))
+    return args.report_schema or default_report_schema