Adds tasks to gather descriptions of kubernetes objects, logs from
deployed pods, logs from helm test pods, the status of each
helm release, and metrics from endpoints exposed to prometheus
Change-Id: I606797c6a5d75ba446ed2c16a9710f7b0227f910
This will move prometheus to OSH-infra to be included as part of
the basic infrastructure deploy for openstack-helm. It includes
charts for Prometheus, Node Exporter, Kube-State-Metrics, and
Alertmanager. It provides a base for monitoring and alerting
for the underlying infrastructure
Partially Implements: blueprint osh-monitoring
Change-Id: Ie453373b54c5f1825339ce0566e4b5d0f74abc20