+ def _update_collectd_options(self, scenario_cfg, context_cfg):
+ """Update collectd configuration options
+ This function retrieves all collectd options contained in the test case
+
+ definition builds a single dictionary combining them. The following fragment
+ represents a test case with the collectd options and priorities (1 highest, 3 lowest):
+ ---
+ schema: yardstick:task:0.1
+ scenarios:
+ - type: NSPerf
+ nodes:
+ tg__0: trafficgen_1.yardstick
+ vnf__0: vnf.yardstick
+ options:
+ collectd:
+ <options> # COLLECTD priority 3
+ vnf__0:
+ collectd:
+ plugins:
+ load
+ <options> # COLLECTD priority 2
+ context:
+ type: Node
+ name: yardstick
+ nfvi_type: baremetal
+ file: /etc/yardstick/nodes/pod_ixia.yaml # COLLECTD priority 1
+ """
+ scenario_options = scenario_cfg.get('options', {})
+ generic_options = scenario_options.get('collectd', {})
+ scenario_node_options = scenario_options.get(self.name, {})\
+ .get('collectd', {})
+ context_node_options = context_cfg.get('nodes', {})\
+ .get(self.name, {}).get('collectd', {})
+
+ options = generic_options
+ self._update_options(options, scenario_node_options)
+ self._update_options(options, context_node_options)
+
+ self.setup_helper.collectd_options = options
+
+ def _update_options(self, options, additional_options):
+ """Update collectd options and plugins dictionary"""
+ for k, v in additional_options.items():
+ if isinstance(v, dict) and k in options:
+ options[k].update(v)
+ else:
+ options[k] = v
+