dendrite/setup/config/config_jetstream.go
Neil Alexander 16035b9737
NATS JetStream tweaks (#2086)
* Use named NATS durable consumers

* Build fixes

* Remove dupe call to SetFederationAPI

* Use namespaced consumer name

* Fix namespacing

* Fix unit tests hopefully
2022-01-07 17:31:57 +00:00

47 lines
1.3 KiB
Go

package config
import (
"fmt"
"github.com/nats-io/nats.go"
)
type JetStream struct {
Matrix *Global `yaml:"-"`
// Persistent directory to store JetStream streams in.
StoragePath Path `yaml:"storage_path"`
// A list of NATS addresses to connect to. If none are specified, an
// internal NATS server will be used when running in monolith mode only.
Addresses []string `yaml:"addresses"`
// The prefix to use for stream names for this homeserver - really only
// useful if running more than one Dendrite on the same NATS deployment.
TopicPrefix string `yaml:"topic_prefix"`
// Keep all storage in memory. This is mostly useful for unit tests.
InMemory bool `yaml:"in_memory"`
}
func (c *JetStream) TopicFor(name string) string {
return fmt.Sprintf("%s%s", c.TopicPrefix, name)
}
func (c *JetStream) Durable(name string) nats.SubOpt {
return nats.Durable(c.TopicFor(name))
}
func (c *JetStream) Defaults(generate bool) {
c.Addresses = []string{}
c.TopicPrefix = "Dendrite"
if generate {
c.StoragePath = Path("./")
}
}
func (c *JetStream) Verify(configErrs *ConfigErrors, isMonolith bool) {
// If we are running in a polylith deployment then we need at least
// one NATS JetStream server to talk to.
if !isMonolith {
checkNotZero(configErrs, "global.jetstream.addresses", int64(len(c.Addresses)))
}
}