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JooqExtension.kt
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JooqExtension.kt
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package com.revolut.jooq
import org.gradle.api.Action
import java.io.Serializable
import java.net.ServerSocket
open class JooqExtension(projectName: String) : Serializable {
val jdbc = Jdbc()
val db = Database(jdbc)
val image = Image(db, projectName)
fun db(configure: Action<Database>) {
configure.execute(db)
}
fun image(configure: Action<Image>) {
configure.execute(image)
}
fun jdbc(configure: Action<Jdbc>) {
configure.execute(jdbc)
}
class Jdbc : Serializable {
var schema = "jdbc:postgresql"
var driverClassName = "org.postgresql.Driver"
var jooqMetaName = "org.jooq.meta.postgres.PostgresDatabase"
var urlQueryParams = ""
}
class Database(private val jdbc: Jdbc) : Serializable {
var username = "postgres"
var password = "postgres"
var name = "postgres"
var hostOverride: String? = null
var port = 5432
var exposedPort = lookupFreePort()
internal fun getUrl(host: String): String {
return "${jdbc.schema}://$host:$exposedPort/$name${jdbc.urlQueryParams}"
}
private fun lookupFreePort(): Int {
ServerSocket(0).use {
return it.localPort
}
}
}
class Image(private val db: Database, projectName: String) : Serializable {
var repository = "postgres"
var tag = "14.5-alpine"
var envVars: Map<String, Any> = mapOf("POSTGRES_USER" to db.username, "POSTGRES_PASSWORD" to db.password, "POSTGRES_DB" to db.name)
var containerName = "jooq-docker-container-${projectName}"
var readinessProbeHost = "127.0.0.1"
var readinessProbe = { host: String, port: Int ->
arrayOf("sh", "-c", "until pg_isready -h $host -p $port; do echo waiting for db; sleep 1; done;")
}
internal fun getReadinessCommand(): Array<String> {
return readinessProbe(readinessProbeHost, db.port)
}
internal fun getImageName(): String {
return "$repository:$tag"
}
}
}