Custom metrics dashboard does not load when `max_value` is set
Summary
Custom metrics dashboard does not load when max_value is set
Steps to reproduce
- (GitLab team members) Go to https://gitlab.com/gitlab-com/runbooks/-/environments/1671333/metrics?dashboard=.gitlab%2Fdashboards%2Fsla-dashboard.yml
- Notice that you get a response that says
Unable to connect to Prometheus server
Example Project
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What is the current bug behavior?
Dashboard does not load
What is the expected correct behavior?
Dashboard should load
Relevant logs and/or screenshots
ActiveModel::UnknownAttributeError unknown attribute 'max_value' for PerformanceMonitoring::PrometheusPanel.
Output of checks
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Results of GitLab environment info
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Results of GitLab application Check
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(For installations with omnibus-gitlab package run and paste the output of:
sudo gitlab-rake gitlab:check SANITIZE=true)(For installations from source run and paste the output of:
sudo -u git -H bundle exec rake gitlab:check RAILS_ENV=production SANITIZE=true)(we will only investigate if the tests are passing)
Possible fixes
(If you can, link to the line of code that might be responsible for the problem)