Files
coder/coderd/database/migrations/000359_create_usage_events_table.up.sql
Dean Sheather a25d85631b chore: add usage tracking package (#19095)
Not used in coderd yet, see stack.

Adds two new packages:
- `coderd/usage`: provides an interface for the "Collector" as well as a stub implementation for AGPL
- `enterprise/coderd/usage`: provides an interface for the "Publisher" as well as a Tallyman implementation

Relates to https://github.com/coder/internal/issues/814
2025-08-16 01:31:00 +10:00

26 lines
2.2 KiB
SQL

CREATE TABLE usage_events (
id TEXT PRIMARY KEY,
-- We use a TEXT column with a CHECK constraint rather than an enum because of
-- the limitations with adding new values to an enum and using them in the
-- same transaction.
event_type TEXT NOT NULL CONSTRAINT usage_event_type_check CHECK (event_type IN ('dc_managed_agents_v1')),
event_data JSONB NOT NULL,
created_at TIMESTAMP WITH TIME ZONE NOT NULL,
publish_started_at TIMESTAMP WITH TIME ZONE DEFAULT NULL,
published_at TIMESTAMP WITH TIME ZONE DEFAULT NULL,
failure_message TEXT DEFAULT NULL
);
COMMENT ON TABLE usage_events IS 'usage_events contains usage data that is collected from the product and potentially shipped to the usage collector service.';
COMMENT ON COLUMN usage_events.id IS 'For "discrete" event types, this is a random UUID. For "heartbeat" event types, this is a combination of the event type and a truncated timestamp.';
COMMENT ON COLUMN usage_events.event_type IS 'The usage event type with version. "dc" means "discrete" (e.g. a single event, for counters), "hb" means "heartbeat" (e.g. a recurring event that contains a total count of usage generated from the database, for gauges).';
COMMENT ON COLUMN usage_events.event_data IS 'Event payload. Determined by the matching usage struct for this event type.';
COMMENT ON COLUMN usage_events.publish_started_at IS 'Set to a timestamp while the event is being published by a Coder replica to the usage collector service. Used to avoid duplicate publishes by multiple replicas. Timestamps older than 1 hour are considered expired.';
COMMENT ON COLUMN usage_events.published_at IS 'Set to a timestamp when the event is successfully (or permanently unsuccessfully) published to the usage collector service. If set, the event should never be attempted to be published again.';
COMMENT ON COLUMN usage_events.failure_message IS 'Set to an error message when the event is temporarily or permanently unsuccessfully published to the usage collector service.';
-- Create an index with all three fields used by the
-- SelectUsageEventsForPublishing query.
CREATE INDEX idx_usage_events_select_for_publishing
ON usage_events (published_at, publish_started_at, created_at);