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authorMytnyk, Volodymyr <volodymyrx.mytnyk@intel.com>2017-10-18 16:18:07 +0100
committerMytnyk, Volodymyr <volodymyrx.mytnyk@intel.com>2017-10-18 16:18:07 +0100
commit4ae8eca14448bac6be46fbbf22d2ddc5d8ae7028 (patch)
treecdb4653090a8ca34caed19f232b52697e6cb19e5 /3rd_party/collectd-ves-app/ves_app/normalizer.py
parent787c0f30f5027ac3d072f0c5e53f970d8273e3ac (diff)
VES: add new tag to strip extra dashes
The `!StripExtraDash` tag can be used in YAML configuration file to strip extra dashes in the YAML filed value. This may happen if some of the collectd plugin field (plugin_instance, type_instace etc.) is set to empty value but the field is specified in the YAML configuration file. For instance: "{vl.plugin_instance}-{vl.type_instance}" The result fo the example above can be string consisting extra dashes if `type_instace` field is not set by a collectd plugin: "load-" Change-Id: I5cf7b19902acdfb0b4a93f3bf0c8b8e05cff2e97 Signed-off-by: Mytnyk, Volodymyr <volodymyrx.mytnyk@intel.com>
Diffstat (limited to '3rd_party/collectd-ves-app/ves_app/normalizer.py')
-rw-r--r--3rd_party/collectd-ves-app/ves_app/normalizer.py11
1 files changed, 10 insertions, 1 deletions
diff --git a/3rd_party/collectd-ves-app/ves_app/normalizer.py b/3rd_party/collectd-ves-app/ves_app/normalizer.py
index ddaad617..84de5e33 100644
--- a/3rd_party/collectd-ves-app/ves_app/normalizer.py
+++ b/3rd_party/collectd-ves-app/ves_app/normalizer.py
@@ -288,7 +288,7 @@ class Item(yaml.YAMLObject):
def format_node(cls, mapping, metric):
if mapping.tag in [
'tag:yaml.org,2002:str', Bytes2Kibibytes.yaml_tag,
- Number.yaml_tag]:
+ Number.yaml_tag, StripExtraDash.yaml_tag]:
return yaml.ScalarNode(mapping.tag, mapping.value.format(**metric))
elif mapping.tag == 'tag:yaml.org,2002:map':
values = []
@@ -459,6 +459,15 @@ class Number(yaml.YAMLObject):
return float(node.value)
+class StripExtraDash(yaml.YAMLObject):
+ """Class to process StripExtraDash tag"""
+ yaml_tag = u'!StripExtraDash'
+
+ @classmethod
+ def from_yaml(cls, loader, node):
+ return '-'.join([ x for x in node.value.split('-') if len(x) > 0])
+
+
class MapValue(yaml.YAMLObject):
"""Class to process MapValue tag"""
yaml_tag = u'!MapValue'