/vita

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🛸 vita

keep track of your app distributions

to get downloads, :vita periodically scrys %cs /subs for each desk and caches the results.

:vita accepts foreign pokes attesting to activity on a desk. /lib/vita-client.hoon helps any agent send vita activity pokes. it sends a maximum of one poke per day, and allows users to opt-in / opt-out depending on developer preference.

vita downloads

on-init, vita will fetch 'downloader' metrics on all of your published desks and print them out to dojo.

vita: our %basket has 20 subs
vita: our %noodle has 12 subs
vita: our %houston has 133 subs
vita: our %radio has 326 subs

this tells you how many active urbit ships are signed up for OTAs for each desk.

you can run this routine whenever you want with :vita|g

:vita automatically checks :treaty for published desks.

to register a different desk (e.g. %kids), do :vita|g %kids

vita: our %kids has 0 subs
> :vita|g %kids
>=

now, whenever :vita does its full routine, %kids will be included.

vita: our %kids has 0 subs
vita: our %basket has 20 subs
vita: our %noodle has 12 subs
vita: our %houston has 133 subs
vita: our %radio has 326 subs
> :vita|g
>=

to unregister a desk: :vita|d %kids. WARNING: all data collected on an unregistered desk will be lost.

once every 24 hours, :vita grabs downloads metrics on each registered desk using .^((set ship) %cs /=mydesk=/subs). every time this scry is performed, :vita logs the size of the set with a timestamp. :vita keeps one copy of the latest full set of downloaders, and a cumulative set of all unique downloaders.

when users unsync from your local desk, latest.downloads wont go down until your next |commit to the desk. cumulative.downloads only goes up.

to see all cumulative sizes: =t +vita!total

vita: %basket has 24 cumulative downloads
vita: %noodle has 14 cumulative downloads
vita: %houston has 139 cumulative downloads
vita: %radio has 359 cumulative downloads
> =t +vita!total

over time, :vita accumulates a history=(map time [size=@ud set=(unit (set ship))]) for each desk.

to change the interval for automatic collection: :vita|i ~h8 will change it to 8 hours from the default 24

to turn off the interval: :vita|i (no arg)

to enable collection of the full set of downloaders per day (instead of just the size) :vita|f &

vita activity

:vita is also capable of collecting daily-active-users.

vita accepts vita-action+[%activity =desk] pokes from any source. it logs daily active users by adding users to a latest=(set ship). this set is cleared once a day. vita keeps record of the max size of this set each day in history.activity

now you just need users to poke :~your-planet/vita &vita-action [%activity %yourdesk] every time they use your app.

/lib/vita-client/hoon has a wrapper agent which does just that.

to use it, copy over <this_repo>/vita-client/* into your app desk, then /+ vita-client and wrap your agent with

%-  %-  agent:vita-client
    ::  data collection on/off by default
    :-  &
    ::  @p of your distributor ship
    ~sampel-palnet
...

you will also need to give the (active:vita-client bowl) card somewhere in your agent where real user activity can be detected (e.g. on-watch for a frontend subscription path). this card will induce vita-client to send activity upstream to the parent vita.

vita-client is initialized with a boolean (sets collection on/off by default), and the @p of your distributor ship (running vita, with the app registered).

users can turn vita-client data collection on/off with :myagent +mydesk!enable-vita or :tenna +mydesk!disable-vita. this uses some generators packaged with vita-client. the actual poke is just :myagent &vita-client [%set-enabled |]

vita-client sends a max of one activity poke per-day.

frontend

the vita frontend displays the data collected by :vita plus some forms for app creation and maintenance. the :vita-deploy agent supports app creation and maintenance.

installation

install from livenet distribution

|install ~nodmyn-dosrux %vita

install from source

  1. create a blank %vita desk.
  2. copy in basic app dependencies.
  3. |mount %vita
  4. cd <this_repo>/vita
  5. ./install.sh -w <my_pier>/vita
  6. |commit %vita
  7. |install our %vita

urbit.org grant

https://urbit.org/grants/app-metrics