Control Prometheus Scraping

[audunstrand]

We need to expose some variables to control scraping from promehteus
yaml should be like:
metrics:
prometheus:
enabled: true # if false the pod will not be scraped for metrics by prometheus
path: /_/metrics # Path to prometheus-metrics

this should control the relevant annotations:

• prometheus.io.scrape
• prometheus.io.port
• prometheus.io.path

using sensible default values

[gtcno]

Do a plain one to one mapping with the following default values?

prometheus:
enabled: true
path: /metrics
port: 8080

And add annotations to the deployment resource.