[SEBA-104]

Log aggregation for SEBA

Required features:
- Elasticsearch for log storage

Optional features:
- Kibana for accessing logs through a web ui
- logstash, configured to read events out of kafka into elasticsearch
- fluentd-elasticsearch for shipping container logs from k8s nodes into
  elasticsearch

Change-Id: Ib81561762a0c2b96613ccbad411b660a403e23de
9 files changed