Eric Rakestraw
0cc2862170
feedkit now contains a reusable core, while weatherfeeder is a concrete implementation that includes weather-specific functions.
56 lines
1.7 KiB
Go
56 lines
1.7 KiB
Go
package sinks
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import (
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"fmt"
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"strings"
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"gitea.maximumdirect.net/ejr/feedkit/config"
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)
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// RegisterBuiltins registers sink drivers included in this binary.
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//
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// In feedkit, these are "infrastructure primitives" — they are not domain-specific.
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// Individual daemons can choose to call this (or register their own custom sinks).
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func RegisterBuiltins(r *Registry) {
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// Stdout sink: great for debugging, piping to jq, etc.
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r.Register("stdout", func(cfg config.SinkConfig) (Sink, error) {
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return NewStdoutSink(cfg.Name), nil
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})
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// File sink: writes/archives events somewhere on disk.
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r.Register("file", func(cfg config.SinkConfig) (Sink, error) {
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return NewFileSinkFromConfig(cfg)
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})
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// Postgres sink: persists events durably.
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r.Register("postgres", func(cfg config.SinkConfig) (Sink, error) {
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return NewPostgresSinkFromConfig(cfg)
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})
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// RabbitMQ sink: publishes events to a broker for downstream consumers.
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r.Register("rabbitmq", func(cfg config.SinkConfig) (Sink, error) {
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return NewRabbitMQSinkFromConfig(cfg)
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})
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}
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// ---- helpers for validating sink params ----
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//
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// These helpers live in sinks (not config) on purpose:
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// - config is domain-agnostic and should not embed driver-specific validation helpers.
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// - sinks are adapters; validating their own params here keeps the logic near the driver.
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func requireStringParam(cfg config.SinkConfig, key string) (string, error) {
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v, ok := cfg.Params[key]
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if !ok {
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return "", fmt.Errorf("sink %q: params.%s is required", cfg.Name, key)
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}
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s, ok := v.(string)
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if !ok {
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return "", fmt.Errorf("sink %q: params.%s must be a string", cfg.Name, key)
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}
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if strings.TrimSpace(s) == "" {
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return "", fmt.Errorf("sink %q: params.%s cannot be empty", cfg.Name, key)
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}
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return s, nil
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}
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