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-rw-r--r--roles/openshift_logging/filter_plugins/openshift_logging.py25
1 files changed, 24 insertions, 1 deletions
diff --git a/roles/openshift_logging/filter_plugins/openshift_logging.py b/roles/openshift_logging/filter_plugins/openshift_logging.py
index e1a5ea726..ba412b5a6 100644
--- a/roles/openshift_logging/filter_plugins/openshift_logging.py
+++ b/roles/openshift_logging/filter_plugins/openshift_logging.py
@@ -102,6 +102,28 @@ def serviceaccount_namespace(qualified_sa, default=None):
return seg[-1]
+def flatten_dict(data, parent_key=None):
+ """ This filter plugin will flatten a dict and its sublists into a single dict
+ """
+ if not isinstance(data, dict):
+ raise RuntimeError("flatten_dict failed, expects to flatten a dict")
+
+ merged = dict()
+
+ for key in data:
+ if parent_key is not None:
+ insert_key = '.'.join((parent_key, key))
+ else:
+ insert_key = key
+
+ if isinstance(data[key], dict):
+ merged.update(flatten_dict(data[key], insert_key))
+ else:
+ merged[insert_key] = data[key]
+
+ return merged
+
+
# pylint: disable=too-few-public-methods
class FilterModule(object):
''' OpenShift Logging Filters '''
@@ -117,5 +139,6 @@ class FilterModule(object):
'es_storage': es_storage,
'serviceaccount_name': serviceaccount_name,
'serviceaccount_namespace': serviceaccount_namespace,
- 'walk': walk
+ 'walk': walk,
+ "flatten_dict": flatten_dict
}