ubuntu core - How to format writable directory when snap is installed? - Ask Ubuntu


we have several daemons starting via snap. of daemons looking specific directory's data. 1 of apps mongo. unfortunately data directory empty db folder not exist. 

apps:    app1:     command: app1 --path "$snap_data/app1     daemon: simple    mongodb:     command: mongod --dbpath "$snap_data/db/"     daemon: simple     plugs: [network-bind]

how can force directory created before mongodb daemon starts?

the correct way handle command run script instead of mongod directly. script should format directory , exec mongo.


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