Helm migration

Helm integration (#10)

* Helm and Jenkins integration

* Some leftover config

* Renamed UPP entry point for Jenkinsfile

* Separated char name from version labels & Truncating labels to 63 chars

Remove ack endpoint - fix multiple remove ack

Fix remove ack (#9)

* Removed path prefix for gtg endpoint, logged input params and updated documentation

* Fixed log

* Added more tests

* Moved gtg handler a few lines up in the file to emphasize the fact that it uses the main router

* Decreased timeout value for httpClient

* Added parallel severity check

* Fixed pod severity checking, decreased httpClient timeout

* Fixed tests

* Fixed tests and code format

* Updated readme

* Fixed remove ack endpoint

* Moved cache-control header to services healthcheck handler

* Added all cache control headers

* Removed cache control headers from services health endpoint

* Fixed circle CI

Removed path prefix for gtg endpoint, logged input params and added parallel severity levels checking

• removed path prefix for gtg endpoint, meaning that from now on the gtg endpoint will be accessible by __gtg instead of /__gtg (__health/__gtg)
• logged input params
• updated documentaion
• added some more tests
• added parallel severity checking

Used watchers on k8s resources to improve performance

Changes in this release:

• added watchers for deployments, services and acks map
• fixed severities on reload from cache
• added functionality to clear services that don't exist anymore from cache
• fixed functionality to disable a sticky category when a service is unhealthy
• added node name to individual service healthcheck for global services (i.e. system-healthcheck)