The cli exports and dumps bolt db data as json/yaml format.
$ go get -u github.com/konoui/boltdb-exporter
$ boltdb-exporter --db <database filename> --format yaml
$ boltdb-exporter --db agent.db
{
"metadata": {
"agent-version": "1.44.2",
"availability-zone": "ap-northeast-1a",
"cluster-name": "default",
(snip)