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sorentwo/heroku.ex

Last active March 19, 2023 20:54
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Heroku Cloud for Oban Auto Scaling
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heroku.ex
defmodule Oban.Pro.Clouds.Heroku do
@moduledoc false
@behaviour Oban.Pro.Cloud
@enforce_keys [:app, :auth_token, :dyno]
defstruct @enforce_keys
@impl Oban.Pro.Cloud
def init(opts) do
struct!(__MODULE__, opts)
end
@impl Oban.Pro.Cloud
def scale(quantity, %{app: app, auth_token: auth_token, dyno: dyno}) do
url = "https://api.heroku.com/apps/#{app}/formation/#{dyno}"
headers = [
{"Content-Type", "application/json"},
{"Accept", "application/vnd.heroku+json; version=3"},
{"Authorization", "Bearer #{auth_token}"}
]
Req.patch!(url, json: %{quantity: quantity}, headers: headers)
end
end
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