www-apps/grafana-bin-4.2.0 has been released on 2017-03-22. I'm attaching an ebuild and various related files to address the version bump and currently open issues.
Created attachment 468636 [details] grafana.service Adapted version of the service file from upstream's deb package. Please test :)
Created attachment 468638 [details] grafana.initd.3 Enforce proper ownership and permissions on some locations
Created attachment 468640 [details] grafana.service Adapted version of the service file from upstream's deb package. Please test :) Fixes bug 601282.
Created attachment 468642 [details] grafana.initd.3 Enforce proper ownership and permissions on some locations. Partially addresses/related to bug 608774.
Created attachment 468644 [details] grafana-bin-4.2.0.ebuild Changes: - bump version - fix QA notices - precreate more directories (bug 608774) - use modified initscript - use newly added service file - use new SRC_URI - remove deps (bug 614212)
Created attachment 468646 [details] metadata.xml Add Ferenc Erki as proxied maintainer
Fixed in 77e5da07ebf7376541167d97a0d5eb8f39ce7f08