diff options
Diffstat (limited to 'cloudinit')
| -rw-r--r-- | cloudinit/cloud.py | 2 | ||||
| -rw-r--r-- | cloudinit/reporting/__init__.py | 91 | ||||
| -rw-r--r-- | cloudinit/reporting/handlers.py | 7 | ||||
| -rw-r--r-- | cloudinit/sources/__init__.py | 2 | ||||
| -rw-r--r-- | cloudinit/stages.py | 10 |
5 files changed, 97 insertions, 15 deletions
diff --git a/cloudinit/cloud.py b/cloudinit/cloud.py index 71eb80eb..a0fb42a3 100644 --- a/cloudinit/cloud.py +++ b/cloudinit/cloud.py @@ -47,7 +47,7 @@ class Cloud(object): self._cfg = cfg self._runners = runners if reporter is None: - reporter = reporting.ReportStack( + reporter = reporting.ReportEventStack( name="unnamed-cloud-reporter", description="unnamed-cloud-reporter", reporting_enabled=False) diff --git a/cloudinit/reporting/__init__.py b/cloudinit/reporting/__init__.py index b0364eec..78dde715 100644 --- a/cloudinit/reporting/__init__.py +++ b/cloudinit/reporting/__init__.py @@ -22,6 +22,15 @@ DEFAULT_CONFIG = { instantiated_handler_registry = DictRegistry() +class _nameset(set): + def __getattr__(self, name): + if name in self: + return name + raise AttributeError("%s not a valid value" % name) + + +status = _nameset(("SUCCESS", "WARN", "FAIL")) + class ReportingEvent(object): """Encapsulation of event formatting.""" @@ -39,17 +48,16 @@ class ReportingEvent(object): class FinishReportingEvent(ReportingEvent): - def __init__(self, name, description, successful=None): + def __init__(self, name, description, result=status.SUCCESS): super(FinishReportingEvent, self).__init__( FINISH_EVENT_TYPE, name, description) - self.successful = successful + self.result = result + if result not in status: + raise ValueError("Invalid result: %s" % result) def as_string(self): - if self.successful is None: - return super(FinishReportingEvent, self).as_string() - success_string = 'success' if self.successful else 'fail' return '{0}: {1}: {2}: {3}'.format( - self.event_type, self.name, success_string, self.description) + self.event_type, self.name, self.result, self.description) def add_configuration(config): @@ -74,12 +82,13 @@ def report_event(event): handler.publish_event(event) -def report_finish_event(event_name, event_description, successful=None): +def report_finish_event(event_name, event_description, + result=status.SUCCESS): """Report a "finish" event. See :py:func:`.report_event` for parameter details. """ - event = FinishReportingEvent(event_name, event_description, successful) + event = FinishReportingEvent(event_name, event_description, result) return report_event(event) @@ -97,4 +106,70 @@ def report_start_event(event_name, event_description): return report_event(event) +class ReportEventStack(object): + def __init__(self, name, description, message=None, parent=None, + reporting_enabled=None, result_on_exception=status.FAIL): + self.parent = parent + self.name = name + self.description = description + self.message = message + self.result_on_exception = result_on_exception + self.result = status.SUCCESS + + # use parents reporting value if not provided + if reporting_enabled is None: + if parent: + reporting_enabled = parent.reporting_enabled + else: + reporting_enabled = True + self.reporting_enabled = reporting_enabled + + if parent: + self.fullname = '/'.join((parent.fullname, name,)) + else: + self.fullname = self.name + self.children = {} + + def __repr__(self): + return ("%s reporting=%s" % (self.fullname, self.reporting_enabled)) + + def __enter__(self): + self.result = status.SUCCESS + if self.reporting_enabled: + report_start_event(self.fullname, self.description) + if self.parent: + self.parent.children[self.name] = (None, None) + return self + + def childrens_finish_info(self): + for cand_result in (status.FAIL, status.WARN): + for name, (value, msg) in self.children.items(): + if value == cand_result: + return (value, "[" + name + "]" + msg) + return (self.result, self.message) + + @property + def message(self): + if self._message is not None: + return self._message + return self.description + + @message.setter + def message(self, value): + self._message = value + + def finish_info(self, exc): + # return tuple of description, and value + if exc: + return (self.result_on_exception, self.message) + return self.childrens_finish_info() + + def __exit__(self, exc_type, exc_value, traceback): + (result, msg) = self.finish_info(exc_value) + if self.parent: + self.parent.children[self.name] = (result, msg) + if self.reporting_enabled: + report_finish_event(self.fullname, msg, result) + + add_configuration(DEFAULT_CONFIG) diff --git a/cloudinit/reporting/handlers.py b/cloudinit/reporting/handlers.py index be323f53..1d5ca524 100644 --- a/cloudinit/reporting/handlers.py +++ b/cloudinit/reporting/handlers.py @@ -21,5 +21,12 @@ class LogHandler(ReportingHandler): logger.info(event.as_string()) +class StderrHandler(ReportingHandler): + def publish_event(self, event): + #sys.stderr.write(event.as_string() + "\n") + print(event.as_string()) + + available_handlers = DictRegistry() available_handlers.register_item('log', LogHandler) +available_handlers.register_item('print', StderrHandler) diff --git a/cloudinit/sources/__init__.py b/cloudinit/sources/__init__.py index 3b48f173..d07cf1fa 100644 --- a/cloudinit/sources/__init__.py +++ b/cloudinit/sources/__init__.py @@ -254,7 +254,7 @@ def find_source(sys_cfg, distro, paths, ds_deps, cfg_list, pkg_list, reporter): LOG.debug("Searching for %s data source in: %s", mode, ds_names) for name, cls in zip(ds_names, ds_list): - myrep = reporting.ReportStack( + myrep = reporting.ReportEventStack( name="search-%s-%s" % (mode, name.replace("DataSource", "")), description="searching for %s data from %s" % (mode, name), message = "no %s data found from %s" % (mode, name), diff --git a/cloudinit/stages.py b/cloudinit/stages.py index 8c79ae4e..42989bb4 100644 --- a/cloudinit/stages.py +++ b/cloudinit/stages.py @@ -67,7 +67,7 @@ class Init(object): self.datasource = NULL_DATA_SOURCE if reporter is None: - reporter = reporting.ReportStack( + reporter = reporting.ReportEventStack( name="init-reporter", description="init-desc", reporting_enabled=False) self.reporter = reporter @@ -242,7 +242,7 @@ class Init(object): if self.datasource is not NULL_DATA_SOURCE: return self.datasource - with reporting.ReportStack( + with reporting.ReportEventStack( name="check-cache", description="attempting to read from cache", parent=self.reporter) as myrep: ds = self._restore_from_cache() @@ -508,11 +508,11 @@ class Init(object): def consume_data(self, frequency=PER_INSTANCE): # Consume the userdata first, because we need want to let the part # handlers run first (for merging stuff) - with reporting.ReportStack( + with reporting.ReportEventStack( "consume-user-data", "reading and applying user-data", parent=self.reporter): self._consume_userdata(frequency) - with reporting.ReportStack( + with reporting.ReportEventStack( "consume-vendor-data", "reading and applying vendor-data", parent=self.reporter): self._consume_userdata(frequency) @@ -705,7 +705,7 @@ class Modules(object): run_name = "config-%s" % (name) desc="running %s with frequency %s" % (run_name, freq) - myrep = reporting.ReportStack( + myrep = reporting.ReportEventStack( name=run_name, description=desc, parent=self.reporter) with myrep: |