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GRAVITL

I just noticed that in the Prometheus container the license key is not currently replaced in the Prometheus container by the init script and therefore scraping of the metrics fails in 0.16.1

you need to add your license key as env 
`LICENSE_KEY: "YOUR_LICENSE_KEY"`
for your `grafana,promethues and netmaker-exporter containers`  this configuration is mandatory to keep the connections secure between them

https://gist.github.com/abhishek9686/287563a848932f59768989f054025b37#file-netmaker-v0-16-1-upgrade-notes-L38

The entrypoint script in the Prometheus container does a sed on the Prometheus config before starting Prometheus to replace the license key for basic auth. And this sed replace is missing.

it's not missing, the placeholder is present in the `prometheus.yml`

can you remove your older images and try again, maybe your container is using the old image

The configure.sh that does the sed, is located in /promtheus where the prometheus data is stored this is also the volume mounted path. So updating the container will not update the script

I had to delete my prometheus volume to get the new script and with it all previous metrics

Therefore you should probably move the script to a different place inside of the container 😉