Comment 2 for bug 1831910

/dev/api/snaps/metrics (for lxd)

{"metrics": [{"status": "OK", "series": [{"values": [1], "name": "3.3/stable"}, {"values": [8], "name": "3.0"}, {"values": [2], "name": "3.0/edge"}, {"values": [14], "name": "latest/stable"}, {"values": [15570], "name": "stable"}, {"values": [58], "name": "candidate"}, {"values": [177], "name": "stable/ubuntu-19.10"}, {"values": [17], "name": "beta"}, {"values": [5], "name": "2.0/stable"}, {"values": [6], "name": "3.0/stable/ubuntu-18.04"}, {"values": [549], "name": "3.0/stable"}, {"values": [6], "name": "stable/ubuntu-18.04"}, {"values": [22135], "name": "stable/ubuntu-19.04"}, {"values": [2], "name": "3.0/candidate"}, {"values": [67625], "name": "stable/ubuntu-18.10"}, {"values": [7], "name": "/stable/ubuntu-19.04"}, {"values": [1], "name": "2.0/candidate"}, {"values": [280], "name": "edge"}, {"values": [152], "name": "3.0/stable/ubuntu-19.04"}, {"values": [1723], "name": "3.0/stable/ubuntu-18.10"}, {"values": [1], "name": "latest/edge"}, {"values": [30], "name": "/stable/ubuntu-18.10"}, {"values": [5], "name": "3.0/stable/ubuntu-19.10"}], "buckets": ["2019-06-06"], "snap_id": "J60k4JY0HppjwOjW8dZdYc8obXKxujRu", "metric_name": "weekly_installed_base_by_channel"}]}

"3.0" and "/stable/ubuntu-19.04" are not valid channel names.