Basic host identity manager

cmapi/cmapi_server/__main__.py

@@ -17,24 +17,26 @@
 # TODO: fix dispatcher choose logic because code executing in endpoints.py
 #       while import process, this cause module logger misconfiguration
 from cmapi_server.logging_management import config_cmapi_server_logging
+config_cmapi_server_logging()
+
 from tracing.sentry import maybe_init_sentry
 from tracing.traceparent_backend import TraceparentBackend
 from tracing.tracer import get_tracer
+from tracing.trace_tool import register_tracing_tools
 
-config_cmapi_server_logging()
 from cmapi_server import helpers
-from cmapi_server.constants import CMAPI_CONF_PATH, DEFAULT_MCS_CONF_PATH
-from cmapi_server.controllers.dispatcher import dispatcher, jsonify_404, jsonify_error
+from cmapi_server.constants import DEFAULT_MCS_CONF_PATH, CMAPI_CONF_PATH
+from cmapi_server.controllers.dispatcher import dispatcher, jsonify_error, jsonify_404
 from cmapi_server.failover_agent import FailoverAgent
-from cmapi_server.invariant_checks import run_invariant_checks
 from cmapi_server.managers.application import AppManager
-from cmapi_server.managers.certificate import CertificateManager
+from cmapi_server.managers.host_identity import get_host_address_manager
 from cmapi_server.managers.process import MCSProcessManager
+from cmapi_server.managers.certificate import CertificateManager
+from cmapi_server.invariant_checks import run_invariant_checks
 from failover.node_monitor import NodeMonitor
 from failover.config import Config
 from mcs_node_control.models.dbrm_socket import SOCK_TIMEOUT, DBRMSocketHandler
 from mcs_node_control.models.node_config import NodeConfig
-from tracing.trace_tool import register_tracing_tools
 
 
 def worker(app):
@@ -161,6 +163,9 @@ def stop(self):
         logging.error('Invariant checks failed, exiting')
         sys.exit(1)
 
+    my_identity = get_host_address_manager().get_local_identity()
+    logging.info('My identity: %s', my_identity)
+
     app = cherrypy.tree.mount(root=None, config=CMAPI_CONF_PATH)
     root_config = {
         "request.dispatch": dispatcher,

cmapi/cmapi_server/exceptions.py

@@ -30,6 +30,14 @@ class CEJError(CMAPIBasicError):
     """
 
 
+class ResolutionError(CMAPIBasicError):
+    """Errors related to DNS resolution"""
+
+
+class ResolutionPolicyViolationError(CMAPIBasicError):
+    """Errors where results are rejected by the current resolving policy."""
+
+
 @contextmanager
 def exc_to_cmapi_error(prefix: Optional[str] = None) -> Iterator[None]:
     """Context manager to standardize error wrapping into CMAPIBasicError.