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DbConfig.scala
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DbConfig.scala
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package japgolly.webapputil.db
import cats.instances.vector._
import cats.syntax.all._
import com.zaxxer.hikari.HikariConfig
import japgolly.clearconfig._
import japgolly.microlibs.stdlib_ext.ParseInt
import japgolly.webapputil.general.ErrorMsg
import javax.sql.DataSource
import org.postgresql.ds.PGSimpleDataSource
final case class DbConfig(dataSource : DbConfig.DataSource,
hikari : DbConfig.Hikari,
hikariDataSourceMods: List[javax.sql.DataSource => javax.sql.DataSource],
logSql : Boolean) {
def dataSourceInstance(): DataSource = {
var ds: DataSource = dataSource.instance()
sqlTracer.foreach(t => ds = t.inject(ds))
ds
}
def hikariInstance(): HikariConfig = {
val ds = hikariDataSourceMods.foldLeft(dataSourceInstance())((x, f) => f(x))
val h = hikari.instance()
h.setDataSource(ds)
h.setUsername(dataSource.username)
h.setPassword(dataSource.password)
h
}
def modifyHikariDataSource(f: DataSource => DataSource): DbConfig =
copy(hikariDataSourceMods = hikariDataSourceMods :+ f)
def poolSize: Int =
hikari.maximumPoolSize
lazy val sqlTracer: Option[SqlTracer] =
Option.when[SqlTracer](logSql)(JdbcLogging)
}
object DbConfig {
def config: ConfigDef[DbConfig] =
config(None)
def config(defaultAppName: String): ConfigDef[DbConfig] =
config(Some(defaultAppName))
def config(defaultAppName: Option[String]): ConfigDef[DbConfig] =
(
DataSource.config(defaultAppName),
Hikari.config.withPrefix("pool."),
ConfigDef.getOrUse("log.sql", true),
).mapN { (ds, hikari, logSql) =>
DbConfig(ds, hikari, Nil, logSql)
}.ensure(
c => !(c.dataSource.schema.isDefined && c.hikari.searchPath.isDefined),
"You can't set both the DB schema and search_path."
)
// ===================================================================================================================
def validateSqlIdentifier(i: String): Option[ErrorMsg] =
Option.unless(i.matches("[\\p{IsAlphabetic}_][\\p{IsAlphabetic}_$0-9]*"))(ErrorMsg(
"SQL identifiers must begin with a letter or an underscore. Subsequent characters can be letters, underscores, digits, or dollar signs."
))
// ===================================================================================================================
final case class DataSource(
appname : Option[String],
binaryTransfer : Option[Boolean],
binaryTransferDisable : Option[String],
binaryTransferEnable : Option[String],
database : String,
disableColumnSanitiser: Option[Boolean],
host : String,
loginTimeout : Option[Int],
password : String,
ports : Vector[Int],
prepareThreshold : Option[Int],
protocolVersion : Option[Int],
receiveBufferSize : Option[Int],
schema : Option[String],
sendBufferSize : Option[Int],
socketTimeout : Option[Int],
ssl : Option[Boolean],
sslfactory : Option[String],
tcpKeepAlive : Option[Boolean],
unknownLength : Option[Int],
username : String,
) {
def instance(): PGSimpleDataSource = {
val ds = new PGSimpleDataSource
ds.setDatabaseName(database)
ds.setUser(username)
ds.setPassword(password)
ds.setDisableColumnSanitiser(true)
appname.foreach(ds.setApplicationName)
binaryTransfer.foreach(ds.setBinaryTransfer)
binaryTransferDisable.foreach(ds.setBinaryTransferDisable)
binaryTransferEnable.foreach(ds.setBinaryTransferEnable)
disableColumnSanitiser.foreach(ds.setDisableColumnSanitiser)
loginTimeout.foreach(ds.setLoginTimeout)
if (ports.nonEmpty) ds.setPortNumbers(ports.toArray)
prepareThreshold.foreach(ds.setPrepareThreshold)
protocolVersion.foreach(ds.setProtocolVersion)
receiveBufferSize.foreach(ds.setReceiveBufferSize)
sendBufferSize.foreach(ds.setSendBufferSize)
schema.foreach(ds.setCurrentSchema)
socketTimeout.foreach(ds.setSocketTimeout)
ssl.foreach(ds.setSsl)
sslfactory.foreach(ds.setSslfactory)
tcpKeepAlive.foreach(ds.setTcpKeepAlive)
unknownLength.foreach(ds.setUnknownLength)
ds
}
}
object DataSource {
def config: ConfigDef[DataSource] =
config(None)
def config(defaultAppName: String): ConfigDef[DataSource] =
config(Some(defaultAppName))
def config(defaultAppName: Option[String]): ConfigDef[DataSource] = {
implicit val vectorInt: ConfigValueParser[Vector[Int]] =
ConfigValueParser(_.split(',').map(_.trim).filter(_.nonEmpty).toVector.traverse {
case ParseInt(i) => Right(i)
case s => Left("Invalid integer: " + s)
})
val binaryTransfer = ConfigDef.get[Boolean]("binaryTransfer")
val binaryTransferDisable = ConfigDef.get[String]("binaryTransferDisable")
val binaryTransferEnable = ConfigDef.get[String]("binaryTransferEnable")
val database = ConfigDef.need[String]("database")
val disableColumnSanitiser = ConfigDef.get[Boolean]("disableColumnSanitiser")
val host = ConfigDef.getOrUse("host", "localhost")
val loginTimeout = ConfigDef.get[Int]("loginTimeout")
val password = ConfigDef.need[String]("password")
val ports = ConfigDef.getOrParseOrThrow[Vector[Int]]("port", "5432")
val prepareThreshold = ConfigDef.get[Int]("prepareThreshold")
val protocolVersion = ConfigDef.get[Int]("protocolVersion")
val receiveBufferSize = ConfigDef.get[Int]("receiveBufferSize")
val sendBufferSize = ConfigDef.get[Int]("sendBufferSize")
val socketTimeout = ConfigDef.get[Int]("socketTimeout")
val ssl = ConfigDef.get[Boolean]("ssl")
val sslfactory = ConfigDef.get[String]("sslfactory")
val tcpKeepAlive = ConfigDef.get[Boolean]("tcpKeepAlive")
val unknownLength = ConfigDef.get[Int]("unknownLength")
val username = ConfigDef.need[String]("username")
val appname: ConfigDef[Option[String]] =
defaultAppName match {
case None => ConfigDef.get[String]("appname")
case Some(a) => ConfigDef.getOrUse[String]("appname", a).map(Some(_))
}
val schema: ConfigDef[Option[String]] =
ConfigDef.get[String]("schema").test(_.flatMap(validateSqlIdentifier).map(_.value))
(
appname,
binaryTransfer,
binaryTransferDisable,
binaryTransferEnable,
database,
disableColumnSanitiser,
host,
loginTimeout,
password,
ports,
prepareThreshold,
protocolVersion,
receiveBufferSize,
schema,
sendBufferSize,
socketTimeout,
ssl,
sslfactory,
tcpKeepAlive,
unknownLength,
username,
).mapN(apply)
}
}
// ===================================================================================================================
final case class Hikari(
allowPoolSuspension : Option[Boolean],
catalog : Option[String],
connectionInitSql : Option[String],
connectionTestQuery : Option[String],
connectionTimeout : Option[Long],
idleTimeout : Option[Long],
initializationFailTimeout: Option[Long],
isolateInternalQueries : Option[Boolean],
keepaliveTime : Option[Long],
leakDetectionThreshold : Option[Long],
maximumPoolSize : Int,
maxLifetime : Option[Long],
minimumIdle : Option[Int],
poolName : Option[String],
registerMbeans : Option[Boolean],
searchPath : Option[String],
transactionIsolation : String,
validationTimeout : Option[Long],
) {
def instance(): HikariConfig = {
val h = new HikariConfig
h.setAutoCommit(true)
h.setMaximumPoolSize(maximumPoolSize)
h.setTransactionIsolation(transactionIsolation)
allowPoolSuspension.foreach(h.setAllowPoolSuspension)
catalog.foreach(h.setCatalog)
connectionInitSql.foreach(h.setConnectionInitSql)
connectionTestQuery.foreach(h.setConnectionTestQuery)
connectionTimeout.foreach(h.setConnectionTimeout)
idleTimeout.foreach(h.setIdleTimeout)
initializationFailTimeout.foreach(h.setInitializationFailTimeout)
isolateInternalQueries.foreach(h.setIsolateInternalQueries)
keepaliveTime.foreach(h.setKeepaliveTime)
leakDetectionThreshold.foreach(h.setLeakDetectionThreshold)
maxLifetime.foreach(h.setMaxLifetime)
minimumIdle.foreach(h.setMinimumIdle)
poolName.foreach(h.setPoolName)
registerMbeans.foreach(h.setRegisterMbeans)
searchPath.foreach(s => h.setConnectionInitSql(s"SET search_path TO $s"))
validationTimeout.foreach(h.setValidationTimeout)
h
}
}
object Hikari {
def config: ConfigDef[Hikari] = {
val allowPoolSuspension = ConfigDef.get[Boolean]("allowPoolSuspension")
val catalog = ConfigDef.get[String]("catalog")
val connectionInitSql = ConfigDef.get[String]("connectionInitSql")
val connectionTestQuery = ConfigDef.get[String]("connectionTestQuery")
val connectionTimeout = ConfigDef.get[Long]("connectionTimeout")
val idleTimeout = ConfigDef.get[Long]("idleTimeout")
val initializationFailTimeout = ConfigDef.get[Long]("initializationFailTimeout")
val isolateInternalQueries = ConfigDef.get[Boolean]("isolateInternalQueries")
val keepaliveTime = ConfigDef.get[Long]("keepaliveTime")
val leakDetectionThreshold = ConfigDef.get[Long]("leakDetectionThreshold")
val maximumPoolSize = ConfigDef.need[Int]("maximumPoolSize")
val maxLifetime = ConfigDef.get[Long]("maxLifetime")
val minimumIdle = ConfigDef.get[Int]("minimumIdle")
val poolName = ConfigDef.get[String]("poolName")
val registerMbeans = ConfigDef.get[Boolean]("registerMbeans")
val searchPath = ConfigDef.get[String]("search_path").test(_.flatMap(validateSqlIdentifier).map(_.value))
val transactionIsolation = ConfigDef.getOrUse("transactionIsolation", "TRANSACTION_REPEATABLE_READ")
val validationTimeout = ConfigDef.get[Long]("validationTimeout")
(
allowPoolSuspension,
catalog,
connectionInitSql,
connectionTestQuery,
connectionTimeout,
idleTimeout,
initializationFailTimeout,
isolateInternalQueries,
keepaliveTime,
leakDetectionThreshold,
maximumPoolSize,
maxLifetime,
minimumIdle,
poolName,
registerMbeans,
searchPath,
transactionIsolation,
validationTimeout,
).mapN(apply)
}
// _.get("autoCommit" , _.setAutoCommit),
// _.get("dataSource" , _.setDataSource),
// _.get("dataSourceClassName" , _.setDataSourceClassName),
// _.get("dataSourceJNDI" , _.setDataSourceJNDI),
// _.get("dataSourceProperties" , _.setDataSourceProperties),
// _.get("driverClassName" , _.setDriverClassName),
// _.get("jdbc4ConnectionTest" , _.setJdbc4ConnectionTest),
// _.get("jdbcUrl" , _.setJdbcUrl),
// _.get("metricsTrackerFactory" , _.setMetricsTrackerFactory),
// _.get("metricRegistry" , _.setMetricRegistry),
// _.get("healthCheckRegistry" , _.setHealthCheckRegistry),
// _.get("healthCheckProperties" , _.setHealthCheckProperties),
// _.get("password" , _.setPassword),
// _.get("readOnly" , _.setReadOnly),
// _.get("scheduledExecutorService", _.setScheduledExecutorService),
// _.get("threadFactory" , _.setThreadFactory),
// _.get("username" , _.setUsername),
}
}