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dendrite/setup/config/config_global.go

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package config
import (
"math/rand"
"time"
"github.com/matrix-org/gomatrixserverlib"
"golang.org/x/crypto/ed25519"
)
type Global struct {
// The name of the server. This is usually the domain name, e.g 'matrix.org', 'localhost'.
ServerName gomatrixserverlib.ServerName `yaml:"server_name"`
// Path to the private key which will be used to sign requests and events.
PrivateKeyPath Path `yaml:"private_key"`
// The private key which will be used to sign requests and events.
PrivateKey ed25519.PrivateKey `yaml:"-"`
// An arbitrary string used to uniquely identify the PrivateKey. Must start with the
// prefix "ed25519:".
KeyID gomatrixserverlib.KeyID `yaml:"-"`
// Information about old private keys that used to be used to sign requests and
// events on this domain. They will not be used but will be advertised to other
// servers that ask for them to help verify old events.
OldVerifyKeys []OldVerifyKeys `yaml:"old_private_keys"`
// How long a remote server can cache our server key for before requesting it again.
// Increasing this number will reduce the number of requests made by remote servers
// for our key, but increases the period a compromised key will be considered valid
// by remote servers.
// Defaults to 24 hours.
KeyValidityPeriod time.Duration `yaml:"key_validity_period"`
// Disables federation. Dendrite will not be able to make any outbound HTTP requests
// to other servers and the federation API will not be exposed.
DisableFederation bool `yaml:"disable_federation"`
// List of domains that the server will trust as identity servers to
// verify third-party identifiers.
// Defaults to an empty array.
TrustedIDServers []string `yaml:"trusted_third_party_id_servers"`
// Kafka/Naffka configuration
Kafka Kafka `yaml:"kafka"`
// Metrics configuration
Metrics Metrics `yaml:"metrics"`
// Sentry configuration
Sentry Sentry `yaml:"sentry"`
// DNS caching options for all outbound HTTP requests
DNSCache DNSCacheOptions `yaml:"dns_cache"`
}
func (c *Global) Defaults() {
c.ServerName = "localhost"
c.PrivateKeyPath = "matrix_key.pem"
_, c.PrivateKey, _ = ed25519.GenerateKey(rand.New(rand.NewSource(0)))
c.KeyID = "ed25519:auto"
c.KeyValidityPeriod = time.Hour * 24 * 7
c.Kafka.Defaults()
c.Metrics.Defaults()
c.DNSCache.Defaults()
c.Sentry.Defaults()
}
func (c *Global) Verify(configErrs *ConfigErrors, isMonolith bool) {
checkNotEmpty(configErrs, "global.server_name", string(c.ServerName))
checkNotEmpty(configErrs, "global.private_key", string(c.PrivateKeyPath))
c.Kafka.Verify(configErrs, isMonolith)
c.Metrics.Verify(configErrs, isMonolith)
c.Sentry.Verify(configErrs, isMonolith)
c.DNSCache.Verify(configErrs, isMonolith)
}
type OldVerifyKeys struct {
// Path to the private key.
PrivateKeyPath Path `yaml:"private_key"`
// The private key itself.
PrivateKey ed25519.PrivateKey `yaml:"-"`
// The key ID of the private key.
KeyID gomatrixserverlib.KeyID `yaml:"-"`
// When the private key was designed as "expired", as a UNIX timestamp
// in millisecond precision.
ExpiredAt gomatrixserverlib.Timestamp `yaml:"expired_at"`
}
// The configuration to use for Prometheus metrics
type Metrics struct {
// Whether or not the metrics are enabled
Enabled bool `yaml:"enabled"`
// Use BasicAuth for Authorization
BasicAuth struct {
// Authorization via Static Username & Password
// Hardcoded Username and Password
Username string `yaml:"username"`
Password string `yaml:"password"`
} `yaml:"basic_auth"`
}
func (c *Metrics) Defaults() {
c.Enabled = false
c.BasicAuth.Username = "metrics"
c.BasicAuth.Password = "metrics"
}
func (c *Metrics) Verify(configErrs *ConfigErrors, isMonolith bool) {
}
// The configuration to use for Sentry error reporting
type Sentry struct {
Enabled bool `yaml:"enabled"`
// The DSN to connect to e.g "https://examplePublicKey@o0.ingest.sentry.io/0"
// See https://docs.sentry.io/platforms/go/configuration/options/
DSN string `yaml:"dsn"`
// The environment e.g "production"
// See https://docs.sentry.io/platforms/go/configuration/environments/
Environment string `yaml:"environment"`
}
func (c *Sentry) Defaults() {
c.Enabled = false
}
func (c *Sentry) Verify(configErrs *ConfigErrors, isMonolith bool) {
}
type DatabaseOptions struct {
// The connection string, file:filename.db or postgres://server....
ConnectionString DataSource `yaml:"connection_string"`
// Maximum open connections to the DB (0 = use default, negative means unlimited)
MaxOpenConnections int `yaml:"max_open_conns"`
// Maximum idle connections to the DB (0 = use default, negative means unlimited)
MaxIdleConnections int `yaml:"max_idle_conns"`
// maximum amount of time (in seconds) a connection may be reused (<= 0 means unlimited)
ConnMaxLifetimeSeconds int `yaml:"conn_max_lifetime"`
}
func (c *DatabaseOptions) Defaults(conns int) {
c.MaxOpenConnections = conns
c.MaxIdleConnections = 2
c.ConnMaxLifetimeSeconds = -1
}
func (c *DatabaseOptions) Verify(configErrs *ConfigErrors, isMonolith bool) {
}
// MaxIdleConns returns maximum idle connections to the DB
func (c DatabaseOptions) MaxIdleConns() int {
return c.MaxIdleConnections
}
// MaxOpenConns returns maximum open connections to the DB
func (c DatabaseOptions) MaxOpenConns() int {
return c.MaxOpenConnections
}
// ConnMaxLifetime returns maximum amount of time a connection may be reused
func (c DatabaseOptions) ConnMaxLifetime() time.Duration {
return time.Duration(c.ConnMaxLifetimeSeconds) * time.Second
}
type DNSCacheOptions struct {
// Whether the DNS cache is enabled or not
Enabled bool `yaml:"enabled"`
// How many entries to store in the DNS cache at a given time
CacheSize int `yaml:"cache_size"`
// How long a cache entry should be considered valid for
CacheLifetime time.Duration `yaml:"cache_lifetime"`
}
func (c *DNSCacheOptions) Defaults() {
c.Enabled = false
c.CacheSize = 256
c.CacheLifetime = time.Minute * 5
}
func (c *DNSCacheOptions) Verify(configErrs *ConfigErrors, isMonolith bool) {
checkPositive(configErrs, "cache_size", int64(c.CacheSize))
checkPositive(configErrs, "cache_lifetime", int64(c.CacheLifetime))
}