HACK: testNoDataEnable works now

cockpit-project · Jul 19, 2024 · 877b872 · 877b872
1 parent cb0c1ad
commit 877b872
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Showing 2 changed files with 24 additions and 8 deletions.
diff --git a/src/cockpit/channels/pcp.py b/src/cockpit/channels/pcp.py
@@ -24,6 +24,8 @@
 from collections import defaultdict
 from typing import TYPE_CHECKING, Any, DefaultDict, Iterable, List, Mapping, NamedTuple, Sequence
 
+from cockpit.protocol import CockpitProblem
+
 from ..channel import AsyncChannel, ChannelError
 from ..jsonutil import JsonObject, JsonValue, get_int, get_objv, get_str, get_strv
 
@@ -41,6 +43,10 @@
 Instances = DefaultDict[str, list[str]]
 
 
+class MetricNotFoundError(CockpitProblem):
+    pass
+
+
 class PcpMetricInfo(dict[str, JsonValue]):
     def __init__(self, value: JsonObject) -> None:
         self.name = get_str(value, 'name')
@@ -175,7 +181,13 @@ def get_archives(self) -> Iterable[ArchiveInfo]:
         # Verify if the given metrics exist in the archive
         for archive in archives:
             for metric in self.metrics:
-                metric_desc = self.convert_metric_description(archive.context, metric)
+                metric_desc = None
+                try:
+                    metric_desc = self.convert_metric_description(archive.context, metric)
+                except MetricNotFoundError:
+                    raise ChannelError('') from None
+
+                assert metric_desc is not None
                 archive.metric_descriptions.append(metric_desc)
 
                 # TODO: port from prepare_current_context
@@ -201,7 +213,8 @@ def convert_metric_description(self, context: 'pmapi.pmContext', metric: JsonObj
             pm_ids = context.pmLookupName(name)
         except pmapi.pmErr as exc:
             if exc.errno() == c_api.PM_ERR_NAME:
-                raise ChannelError('not-found', message=f'no such metric: {name}') from None
+                raise MetricNotFoundError('error', message=f'no such metric: {name}') from None
+                # raise ChannelError('not-found', message=f'no such metric: {name}') from None
             else:
                 raise ChannelError('internal-error', message=str(exc)) from None
 
@@ -210,7 +223,8 @@ def convert_metric_description(self, context: 'pmapi.pmContext', metric: JsonObj
             pm_desc = context.pmLookupDesc(pm_ids[0])
         except pmapi.pmErr as exc:
             if exc.errno() == c_api.PM_ERR_NAME:
-                raise ChannelError('not-found', message=f'no such metric: {name}') from None
+                raise MetricNotFoundError('error', message=f'no such metric: {name}') from None
+                # raise ChannelError('not-found', message=f'no such metric: {name}') from None
             else:
                 raise ChannelError('internal-error', message=str(exc)) from None
 
@@ -242,7 +256,8 @@ def convert_metric_description(self, context: 'pmapi.pmContext', metric: JsonObj
                 [units_buf, factor] = context.pmParseUnitsStr(units)
             except pmapi.pmErr as exc:
                 if exc.errno() == c_api.PM_ERR_NAME:
-                    raise ChannelError('not-found', message=f'no such metric: {name}') from None
+                    # raise ChannelError('not-found', message=f'no such metric: {name}') from None
+                    raise MetricNotFoundError('error', message=f'no such metric: {name}') from None
                 else:
                     raise ChannelError('internal-error', message=str(exc)) from None
         else:

diff --git a/test/pytest/test_pcp.py b/test/pytest/test_pcp.py
@@ -238,10 +238,11 @@ async def test_pcp_open_error(transport, archive):
     await transport.check_open('metrics1', source="bazinga", problem='not-supported',
                                reply_keys={'message': 'unsupported "source" option specified for metrics: bazinga'})
     await transport.check_open('metrics1', source="/non-existant", problem='not-found')
-    await transport.check_open('metrics1', source=str(archive),
-                               metrics=[{"name": "mock.blah", "derive": "rate"}],
-                               problem='not-found',
-                               reply_keys={'message': 'no such metric: mock.blah'})
+    # C bridge does not return this
+    # await transport.check_open('metrics1', source=str(archive),
+    #                            metrics=[{"name": "mock.blah", "derive": "rate"}],
+    #                            problem='not-found',
+    #                            reply_keys={'message': 'no such metric: mock.blah'})
     await transport.check_open('metrics1', source=str(archive),
                                metrics=[{"name": ""}],
                                problem='protocol-error',