opentelemetry: honour ignore errors (#3837) (#3846)

* opentelemetry: honour the ignore_errors

* fix-encoding-pragma

* Add changelog fragment

* opentelemetry: ignore produces unset span status

(cherry picked from commit ce6d0a749e)

Co-authored-by: Victor Martinez <victormartinezrubio@gmail.com>

changelogs/fragments/3837-opentelemetry_plugin-honour_ignore_errors.yaml

@@ -0,0 +1,2 @@
+bugfixes:
+    - opentelemetry_plugin - honour ``ignore_errors`` when a task has failed instead of reporting an error (https://github.com/ansible-collections/community.general/pull/3837).

plugins/callback/opentelemetry.py

@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 # (C) 2021, Victor Martinez <VictorMartinezRubio@gmail.com>
 # GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
 
@@ -263,6 +264,8 @@ class OpenTelemetrySource(object):
                 else:
                     message = 'skipped'
                 status = Status(status_code=StatusCode.UNSET)
+            elif host_data.status == 'ignored':
+                status = Status(status_code=StatusCode.UNSET)
 
         span.set_status(status)
         self.set_span_attribute(span, "ansible.task.args", task_data.args)
@@ -392,10 +395,15 @@ class CallbackModule(CallbackBase):
         )
 
     def v2_runner_on_failed(self, result, ignore_errors=False):
-        self.errors += 1
+        if ignore_errors:
+            status = 'ignored'
+        else:
+            status = 'failed'
+            self.errors += 1
+
         self.opentelemetry.finish_task(
             self.tasks_data,
-            'failed',
+            status,
             result
         )