Procedure to write Kubernetes Custom Metrics Collector

Describes, the procedure to write new Kubernetes custom metrics collector.

1. Create package for a custom collector, for example: k8s_custom_metrics_collector

2. Inside the collector package, develop python code by implementing BachColletor.

3. Create or update the required configuration files. Refer the section Configurations

Example: To create a K8S custom metrics collector:

from collectors.batch_collector import BatchCollector 
class MetricsCollector(BatchCollector)

See, sample code for k8s custom metrics collector in examples directory.