Giuliano Silvestro
501e333811
usage_records — one metered observation per (deployment, resource,
period, granularity). resource_kind is the BILLING kind (droplet_hours,
spaces_gb_month, ...) so it joins straight to plan_items. sub_attribution
jsonb column present from day one for forward-compat (sub-billing) but
never written in phase 3.
metering_config — per-billing-kind granularity (daily default; flip to
hourly when fine-grained billing is wanted) + retention_days.
ArcadiaCloud.Metering:
- meter_day/1 — walks every deployment-attributed resource, maps its
inventory kind to a billing kind, records that day's usage. Idempotent
via the unique (deployment, resource, period, granularity) index.
- usage_for_period/3 — SUM(qty) GROUP BY billing kind over a date range,
returns the %{kind => qty} map the quote engine takes as :usage.
Uniform accrual model so everything downstream is just SUM(qty):
- droplet -> droplet_hours, 24/day when active (0 when off)
- spaces_bucket / snapshot / droplet_backup -> *_gb_month, size/days so
the month sums to GB-months
- dns_zone -> dns_zones, 1/days so the month sums to the zone count
MeteringWorker — Oban cron 01:10 UTC daily, meters the previous
complete day.
Smoke verified: a pilot deployment with 2 droplets + 2 DNS zones + 3
snapshots attributed; 10 days metered -> 70 usage records; aggregation
gave droplet_hours 480 (2x24x10), dns_zones 0.65 (2x10/31),
snapshot_gb_month 15.48; fed into the quote engine against Studio — all
within allowance so $50 base, no overage (correct for a light partial
month).
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
80 lines
2.8 KiB
Elixir
80 lines
2.8 KiB
Elixir
# This file is responsible for configuring your application
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# and its dependencies with the aid of the Config module.
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#
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# This configuration file is loaded before any dependency and
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# is restricted to this project.
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# General application configuration
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import Config
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config :arcadia_cloud,
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ecto_repos: [ArcadiaCloud.Repo],
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generators: [timestamp_type: :utc_datetime, binary_id: true]
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# Configure the endpoint
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config :arcadia_cloud, ArcadiaCloudWeb.Endpoint,
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url: [host: "localhost"],
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adapter: Bandit.PhoenixAdapter,
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render_errors: [
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formats: [json: ArcadiaCloudWeb.ErrorJSON],
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layout: false
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],
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pubsub_server: ArcadiaCloud.PubSub,
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live_view: [signing_salt: "4W6q5pDB"]
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# Configure Elixir's Logger
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config :logger, :default_formatter,
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format: "$time $metadata[$level] $message\n",
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metadata: [:request_id]
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# Use Jason for JSON parsing in Phoenix
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config :phoenix, :json_library, Jason
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# Guardian — JWTs are issued by arcadia-app. arcadia-cloud only verifies them.
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# Issuer and secret_key MUST match arcadia-app's Arcadia.Guardian config.
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config :arcadia_cloud, ArcadiaCloud.Guardian,
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issuer: "arcadia",
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verify_issuer: true
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# Oban — provisioning, sync, billing, gateway-event consumption queues
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config :arcadia_cloud, Oban,
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engine: Oban.Engines.Basic,
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queues: [
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provisioning: 5,
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cloud_sync_fast: 5,
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cloud_sync_full: 3,
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cloud_sync_slow: 1,
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cloud_billing: 1,
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metering: 2,
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default: 5
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],
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plugins: [
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{Oban.Plugins.Cron,
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crontab: [
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# ProjectsWorker first so attribution is fresh before resource syncs
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{"*/15 * * * *", ArcadiaCloud.Sync.ProjectsWorker},
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{"*/15 * * * *", ArcadiaCloud.Sync.DropletsWorker},
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{"*/15 * * * *", ArcadiaCloud.Sync.DomainsWorker},
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{"*/15 * * * *", ArcadiaCloud.Sync.VolumesWorker},
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{"*/15 * * * *", ArcadiaCloud.Sync.FloatingIpsWorker},
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{"*/15 * * * *", ArcadiaCloud.Sync.FirewallsWorker},
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{"*/15 * * * *", ArcadiaCloud.Sync.LoadBalancersWorker},
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# Snapshots change slowly; hourly is enough and reduces API churn
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{"33 * * * *", ArcadiaCloud.Sync.SnapshotsWorker},
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# Backups also slow-moving; hourly per-droplet walk
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{"41 * * * *", ArcadiaCloud.Sync.BackupsWorker},
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# Drift sweep — offset past the :15 resource syncs so it sees fresh data
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{"20 * * * *", ArcadiaCloud.Sync.DriftDetectionWorker},
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# Metering — daily at 01:10 UTC, meters the previous complete day
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{"10 1 * * *", ArcadiaCloud.Sync.MeteringWorker},
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# Billing: hourly balance, daily invoice discovery
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{"7 * * * *", ArcadiaCloud.Sync.BalanceWorker},
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{"23 2 * * *", ArcadiaCloud.Sync.BillingHistoryWorker}
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]}
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],
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repo: ArcadiaCloud.Repo
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# Import environment specific config. This must remain at the bottom
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# of this file so it overrides the configuration defined above.
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import_config "#{config_env()}.exs"
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