def __init__(self, configuration):
self.dest_path = os.environ.get('WATCHER_APPDYNAMICS_DEST_PATH')
if not self.dest_path:
raise RuntimeError(
'AppDyanmics watcher agent initialization failed. Env variable '
'WATCHER_APPDYNAMICS_DEST_PATH must be set.')
self.cluster_id = configuration['cluster_id']
self.tpl = load_template(TPL_NAME)
self.logs = {}
self._first_run = True
logger.info('AppDynamics watcher agent initialization complete!')
def test_tpl_render(monkeypatch, kwargs, expected):
tpl = load_template(TPL_NAME)
config = tpl.render(**kwargs)
assert json.loads(config) == expected
def __init__(self, configuration):
cluster_id = configuration['cluster_id']
self.scalyr_sampling_rules = ScalyrAgent.parse_scalyr_sampling_rules(
configuration.get('scalyr_sampling_rules') or [],
)
self.api_key_file = os.environ.get('WATCHER_SCALYR_API_KEY_FILE')
self.api_key = None
self.dest_path = os.environ.get('WATCHER_SCALYR_DEST_PATH')
self.scalyr_server = os.environ.get('WATCHER_SCALYR_SERVER')
self.json_parsers_mapping = self.make_json_parsers_mapping(
os.environ.get('WATCHER_SCALYR_PARSE_LINES_JSON', ''),
)
self.enable_profiling = os.environ.get('WATCHER_SCALYR_ENABLE_PROFILING', '').lower() == 'true'
cluster_alias = os.environ.get('CLUSTER_ALIAS', 'none')
cluster_environment = os.environ.get('CLUSTER_ENVIRONMENT', 'production')
node_name = os.environ.get('CLUSTER_NODE_NAME', 'unknown')
if not all([self.api_key_file, self.dest_path]):
raise RuntimeError('Scalyr watcher agent initialization failed. '
'Env variables WATCHER_SCALYR_API_KEY_FILE and '
'WATCHER_SCALYR_DEST_PATH must be set.')
self.config_path = os.environ.get('WATCHER_SCALYR_CONFIG_PATH', SCALYR_CONFIG_PATH)
if not os.path.isdir(os.path.dirname(self.config_path)):
raise RuntimeError(
'Scalyr watcher agent initialization failed. {} config path does not exist.'.format(
self.config_path))
if not os.path.isfile(self.api_key_file):
raise RuntimeError(
'Scalyr watcher agent initialization failed. {} API key file does not exist.'.format(
self.api_key_file))
if not os.path.isdir(self.dest_path):
raise RuntimeError(
'Scalyr watcher agent initialization failed. {} destination path does not exist.'.format(
self.dest_path))
else:
watched_containers = os.listdir(self.dest_path)
logger.info('Scalyr watcher agent found %d watched containers.', len(watched_containers))
logger.debug('Scalyr watcher agent found the following watched containers: %s', watched_containers)
self.journald = None
journald_monitor = os.environ.get('WATCHER_SCALYR_JOURNALD', False)
if journald_monitor:
attributes_str = os.environ.get('WATCHER_SCALYR_JOURNALD_ATTRIBUTES', '{}')
extra_fields_str = os.environ.get('WATCHER_SCALYR_JOURNALD_EXTRA_FIELDS', '{}')
self.journald = {
'journal_path': os.environ.get('WATCHER_SCALYR_JOURNALD_PATH'),
'attributes': json.loads(attributes_str),
'extra_fields': json.loads(extra_fields_str),
'write_rate': int(os.environ.get('WATCHER_SCALYR_JOURNALD_WRITE_RATE', SCALYR_DEFAULT_WRITE_RATE)),
'write_burst': int(os.environ.get('WATCHER_SCALYR_JOURNALD_WRITE_BURST', SCALYR_DEFAULT_WRITE_BURST)),
}
self.server_attributes = {
'serverHost': cluster_id,
'cluster': cluster_id,
'cluster_environment': cluster_environment,
'cluster_alias': cluster_alias,
'environment': cluster_environment,
'node': node_name,
'parser': SCALYR_DEFAULT_PARSER
}
self.tpl = load_template(TPL_NAME)
self.logs = {}
self._first_run = True
logger.info('Scalyr watcher agent initialization complete!')