src/main/kotlin/moe/rosa/planterette/PlanteretteConfig.kt

@@ -0,0 +1,5 @@
+package moe.rosa.planterette
+
+import moe.rosa.planterette.hakurei.HakureiConfig
+
+data class PlanteretteConfig(var hakurei: HakureiConfig?)

src/main/kotlin/moe/rosa/planterette/dsl/DSL.kt

@@ -0,0 +1,12 @@
+package moe.rosa.planterette.dsl
+
+import moe.rosa.planterette.PlanteretteConfig
+
+@Target(AnnotationTarget.TYPE, AnnotationTarget.CLASS, AnnotationTarget.FUNCTION)
+@DslMarker
+annotation class PlanteretteDSL
+
+@PlanteretteDSL
+fun planterette(init: PlanteretteConfig.() -> Unit): PlanteretteConfig {
+    return PlanteretteConfig(hakurei = null).apply(init)
+}

src/main/kotlin/moe/rosa/planterette/dsl/HakureiDSL.kt

@@ -0,0 +1,392 @@
+package moe.rosa.planterette.dsl
+
+import moe.rosa.planterette.PlanteretteConfig
+import moe.rosa.planterette.dsl.DSLEnablements.*
+import moe.rosa.planterette.hakurei.*
+
+@Target(AnnotationTarget.TYPE, AnnotationTarget.CLASS, AnnotationTarget.FUNCTION)
+@PlanteretteDSL
+annotation class HakureiDSL
+
+@Target(AnnotationTarget.TYPE, AnnotationTarget.CLASS, AnnotationTarget.FUNCTION)
+@HakureiDSL
+annotation class DBusDSL
+
+@Target(AnnotationTarget.TYPE, AnnotationTarget.CLASS, AnnotationTarget.FUNCTION)
+@HakureiDSL
+annotation class ExtraPermsDSL
+
+@Target(AnnotationTarget.TYPE, AnnotationTarget.CLASS, AnnotationTarget.FUNCTION)
+@HakureiDSL
+annotation class ContainerDSL
+
+@Target(AnnotationTarget.TYPE, AnnotationTarget.CLASS, AnnotationTarget.FUNCTION)
+@ContainerDSL
+annotation class FilesystemDSL
+
+@Target(AnnotationTarget.TYPE, AnnotationTarget.CLASS, AnnotationTarget.FUNCTION)
+@FilesystemDSL
+annotation class FSBindDSL
+
+@Target(AnnotationTarget.TYPE, AnnotationTarget.CLASS, AnnotationTarget.FUNCTION)
+@FilesystemDSL
+annotation class FSEphemeralDSL
+
+@Target(AnnotationTarget.TYPE, AnnotationTarget.CLASS, AnnotationTarget.FUNCTION)
+@FilesystemDSL
+annotation class FSLinkDSL
+
+@Target(AnnotationTarget.TYPE, AnnotationTarget.CLASS, AnnotationTarget.FUNCTION)
+@FilesystemDSL
+annotation class FSOverlayDSL
+
+@PlanteretteDSL
+fun PlanteretteConfig.hakurei(id: String, init: @HakureiDSL HakureiConfig.() -> Unit) {
+    this.hakurei = HakureiConfig(id).apply(init)
+}
+@HakureiDSL
+fun HakureiConfig.executable(path: String, vararg args: String) {
+    this.path = AbsolutePath(path)
+    this.args = args.toList()
+}
+@HakureiDSL
+enum class DSLEnablements {
+    Wayland,
+    X11,
+    DBus,
+    Pulse
+}
+@HakureiDSL
+fun HakureiConfig.enable(vararg enablements: DSLEnablements) {
+    val enable = Enablements(wayland = null, x11 = null, dbus = null, pulse = null)
+    enablements.map {
+        when(it) {
+            Wayland -> enable.wayland = true
+            X11 -> enable.x11 = true
+            DBus -> enable.dbus = true
+            Pulse -> enable.pulse = true
+        }
+    }
+    this.enablements = enable
+}
+@HakureiDSL
+fun HakureiConfig.directWayland(directWayland: Boolean = true) {
+    this.directWayland = directWayland
+}
+@HakureiDSL
+fun HakureiConfig.username(username: String) {
+    this.username = username
+}
+@HakureiDSL
+fun HakureiConfig.shell(shell: String) {
+    this.shell = AbsolutePath(shell)
+}
+@HakureiDSL
+fun HakureiConfig.home(home: String) {
+    this.home = AbsolutePath(home)
+}
+//TODO(mae) automatic identity?
+@HakureiDSL
+fun HakureiConfig.identity(identity: Int? = null) {
+    this.identity = identity
+}
+@HakureiDSL
+fun HakureiConfig.groups(vararg groups: String) {
+    this.groups = groups.toList()
+}
+data class DBusConfigs(var session: DBusConfig? = null, var system: DBusConfig? = null)
+
+@HakureiDSL
+fun HakureiConfig.dbus(init: @DBusDSL DBusConfigs.() -> Unit) {
+    val dbus = DBusConfigs().apply(init)
+    this.sessionBus = dbus.session
+    this.systemBus = dbus.system
+}
+@DBusDSL
+fun DBusConfigs.session(init: @DBusDSL DBusConfig.() -> Unit) {
+    this.session = DBusConfig().apply(init)
+}
+@DBusDSL
+fun DBusConfigs.system(init: @DBusDSL DBusConfig.() -> Unit) {
+    this.system = DBusConfig().apply(init)
+}
+@DBusDSL
+fun DBusConfig.see(vararg see: String) {
+    this.see = see.toList()
+}
+@DBusDSL
+fun DBusConfig.talk(vararg talk: String) {
+    this.talk = talk.toList()
+}
+@DBusDSL
+fun DBusConfig.own(vararg own: String) {
+    this.own = own.toList()
+}
+@DBusDSL
+fun DBusConfig.call(vararg call: Pair<String, String>) {
+    this.call = call.toMap()
+}
+@DBusDSL
+fun DBusConfig.broadcast(vararg broadcast: Pair<String, String>) {
+    this.broadcast = broadcast.toMap()
+}
+@DBusDSL
+fun DBusConfig.log(log: Boolean = true) {
+    this.log = log
+}
+@DBusDSL
+fun DBusConfig.filter(filter: Boolean = true) {
+    this.filter = filter
+}
+@HakureiDSL
+fun HakureiConfig.extraPerms(vararg extraPerms: ExtraPermsConfig) {
+    this.extraPerms = extraPerms.toList()
+}
+@ExtraPermsDSL
+fun perm(path: String, init: ExtraPermsConfig.() -> Unit): ExtraPermsConfig {
+    return ExtraPermsConfig(path = AbsolutePath(path)).apply(init)
+}
+@ExtraPermsDSL
+fun perm(path: String, ensure: Boolean? = null, rwx: String): ExtraPermsConfig {
+    if(rwx.length != 3) throw IllegalArgumentException()
+    // TODO(mae): is there a difference between null and false in this case?
+    val read: Boolean? = when(rwx[0]) {
+        'r', 'R' -> true
+        else -> null
+    }
+    val write: Boolean? = when(rwx[1]) {
+        'w', 'W' -> true
+        else -> null
+    }
+    val execute: Boolean? = when(rwx[2]) {
+        'x', 'X' -> true
+        else -> null
+    }
+    return ExtraPermsConfig(ensure, path = AbsolutePath(path), read, write, execute)
+}
+@ExtraPermsDSL
+fun ExtraPermsConfig.ensure(ensure: Boolean = true) {
+    this.ensure = ensure
+}
+@ExtraPermsDSL
+fun ExtraPermsConfig.read(read: Boolean = true) {
+    this.read = read
+}
+@ExtraPermsDSL
+fun ExtraPermsConfig.write(write: Boolean = true) {
+    this.write = write
+}
+@ExtraPermsDSL
+fun ExtraPermsConfig.execute(execute: Boolean = true) {
+    this.execute = execute
+}
+
+@HakureiDSL
+fun HakureiConfig.container(init: @ContainerDSL ContainerConfig.() -> Unit) {
+    this.container = ContainerConfig().apply(init)
+}
+@ContainerDSL
+fun ContainerConfig.hostname(hostname: String) {
+    this.hostname = hostname
+}
+@ContainerDSL
+fun ContainerConfig.waitDelay(waitDelay: Long) {
+    this.waitDelay = waitDelay
+}
+@ContainerDSL
+fun ContainerConfig.noTimeout() {
+    this.waitDelay = -1
+}
+@ContainerDSL
+fun ContainerConfig.seccompCompat(seccompCompat: Boolean = true) {
+    this.seccompCompat = seccompCompat
+}
+@ContainerDSL
+fun ContainerConfig.devel(devel: Boolean = true) {
+    this.devel = devel
+}
+@ContainerDSL
+fun ContainerConfig.userns(userns: Boolean = true) {
+    this.userns = userns
+}
+@ContainerDSL
+fun ContainerConfig.hostNet(hostNet: Boolean = true) {
+    this.hostNet = hostNet
+}
+@ContainerDSL
+fun ContainerConfig.hostAbstract(hostAbstract: Boolean = true) {
+    this.hostAbstract = hostAbstract
+}
+@ContainerDSL
+fun ContainerConfig.tty(tty: Boolean = true) {
+    this.tty = tty
+}
+@ContainerDSL
+fun ContainerConfig.multiarch(multiarch: Boolean = true) {
+    this.multiarch = multiarch
+}
+@ContainerDSL
+fun ContainerConfig.env(vararg env: Pair<String, String>) {
+    this.env = env.toMap()
+}
+@ContainerDSL
+fun ContainerConfig.mapRealUid(mapRealUid: Boolean = true) {
+    this.mapRealUid = mapRealUid
+}
+@ContainerDSL
+fun ContainerConfig.device(device: Boolean = true) {
+    this.device = device
+}
+
+@FilesystemDSL
+data class FilesystemConfigs(val configs: MutableList<FilesystemConfig> = mutableListOf())
+
+@ContainerDSL
+fun ContainerConfig.filesystem(init: @FilesystemDSL FilesystemConfigs.() -> Unit) {
+    val config = FilesystemConfigs().apply(init)
+    this.filesystem = config.configs
+}
+@FilesystemDSL
+data class DummyFSBind(var target: String? = null,
+                       var source: String? = null,
+                       var write: Boolean? = null,
+                       var device: Boolean? = null,
+                       var ensure: Boolean? = null,
+                       var optional: Boolean? = null,
+                       var special: Boolean? = null) {
+    fun build(): FSBind {
+        return FSBind(
+            target = if(target != null) { AbsolutePath(target!!) } else null,
+            source = AbsolutePath(source!!),
+            write = write,
+            device = device,
+            ensure = ensure,
+            optional = optional,
+            special = special
+        )
+    }
+}
+@FilesystemDSL
+fun FilesystemConfigs.bind(src2dst: Pair<String, String>, init: @FSBindDSL DummyFSBind.() -> Unit = {}) {
+    val fs = DummyFSBind(target = src2dst.second, source = src2dst.first)
+    fs.apply(init)
+    this.configs.add(fs.build())
+}
+@FilesystemDSL
+fun FilesystemConfigs.bind(source: String, init: @FSBindDSL DummyFSBind.() -> Unit = {}) {
+    val fs = DummyFSBind(source = source)
+    fs.apply(init)
+    this.configs.add(fs.build())
+}
+@FSBindDSL
+fun DummyFSBind.write(write: Boolean? = true) {
+    this.write = write
+}
+@FSBindDSL
+fun DummyFSBind.device(device: Boolean? = true) {
+    this.device = device
+}
+@FSBindDSL
+fun DummyFSBind.ensure(ensure: Boolean? = true) {
+    this.ensure = ensure
+}
+@FSBindDSL
+fun DummyFSBind.optional(optional: Boolean? = true) {
+    this.optional = optional
+}
+@FSBindDSL
+fun DummyFSBind.special(special: Boolean? = true) {
+    this.special = special
+}
+@FilesystemDSL
+data class DummyFSEphemeral(val target: String? = null,
+                            var write: Boolean? = null,
+                            var size: Int? = null,
+                            var perm: Int? = null) {
+    fun build(): FSEphemeral {
+        return FSEphemeral(
+            target = AbsolutePath(target!!),
+            write = write!!,
+            size = size,
+            perm = perm!!
+        )
+    }
+}
+@FSEphemeralDSL
+fun DummyFSEphemeral.write(write: Boolean = true) {
+    this.write = write
+}
+@FSEphemeralDSL
+fun DummyFSEphemeral.size(size: Int) {
+    this.size = size
+}
+@FSEphemeralDSL
+fun DummyFSEphemeral.perm(perm: Int) {
+    this.perm = perm
+}
+@FilesystemDSL
+fun FilesystemConfigs.ephemeral(target: String, init: @FSEphemeralDSL DummyFSEphemeral.() -> Unit = {}) {
+    val fs = DummyFSEphemeral(target = target)
+    fs.apply(init)
+    this.configs.add(fs.build())
+}
+@FilesystemDSL
+data class DummyFSLink(val target: String? = null,
+                       val linkname: String? = null,
+                       var dereference: Boolean? = null) {
+    fun build(): FSLink {
+        return FSLink(
+            target = AbsolutePath(target!!),
+            linkname = linkname!!,
+            dereference = dereference!!
+        )
+    }
+}
+@FSLinkDSL
+fun DummyFSLink.dereference(dereference: Boolean = true) {
+    this.dereference = dereference
+}
+@FilesystemDSL
+fun FilesystemConfigs.link(lnk2dst: Pair<String, String>, init: @FSLinkDSL DummyFSLink.() -> Unit = {}) {
+    val fs = DummyFSLink(target = lnk2dst.second, linkname = lnk2dst.first)
+    fs.apply(init)
+    this.configs.add(fs.build())
+}
+@FilesystemDSL
+fun FilesystemConfigs.link(target: String, init: @FSLinkDSL DummyFSLink.() -> Unit = {}) {
+    val fs = DummyFSLink(target = target, linkname = target)
+    fs.apply(init)
+    this.configs.add(fs.build())
+}
+@FilesystemDSL
+data class DummyFSOverlay(val target: String? = null,
+                          var lower: MutableList<String>? = mutableListOf(),
+                          var upper: String? = null,
+                          var work: String? = null) {
+    fun build(): FSOverlay {
+        return FSOverlay(
+            target = AbsolutePath(target!!),
+            lower = lower!!.map { AbsolutePath(it)},
+            upper = AbsolutePath(upper!!),
+            work = AbsolutePath(work!!)
+        )
+    }
+}
+@FilesystemDSL
+fun FilesystemConfigs.overlay(target: String, init: @FSOverlayDSL DummyFSOverlay.() -> Unit = {}) {
+    val fs = DummyFSOverlay(target = target)
+    fs.apply(init)
+    this.configs.add(fs.build())
+}
+@FSOverlayDSL
+fun DummyFSOverlay.lower(vararg lower: String) {
+    this.lower!!.addAll(lower.toList())
+}
+@FSOverlayDSL
+fun DummyFSOverlay.upper(upper: String) {
+    this.upper = upper
+}
+@FSOverlayDSL
+fun DummyFSOverlay.work(work: String) {
+    this.work = work
+}

src/main/kotlin/moe/rosa/planterette/hakurei/Hakurei.kt

@@ -4,51 +4,51 @@ import kotlinx.serialization.*
 
 @Serializable
 data class HakureiConfig(
-    val id: String? = null,
-    val path: AbsolutePath? = null,
-    val args: List<String>? = null,
-    val enablements: Enablements? = null,
-    @SerialName("session_bus") val sessionBus: DBusConfig? = null,
-    @SerialName("system_bus") val systemBus: DBusConfig? = null,
-    @SerialName("direct_wayland") val directWayland: Boolean? = null,
-    val username: String? = null,
-    val shell: AbsolutePath? = null,
-    val home: AbsolutePath? = null,
+    var id: String? = null,
+    var path: AbsolutePath? = null,
+    var args: List<String>? = null,
+    var enablements: Enablements? = null,
+    @SerialName("session_bus") var sessionBus: DBusConfig? = null,
+    @SerialName("system_bus") var systemBus: DBusConfig? = null,
+    @SerialName("direct_wayland") var directWayland: Boolean? = null,
+    var username: String? = null,
+    var shell: AbsolutePath? = null,
+    var home: AbsolutePath? = null,
 
-    @SerialName("extra_perms") val extraPerms: List<ExtraPermsConfig>? = null,
-    val identity: Int? = null,
-    val groups: List<String>? = null,
+    @SerialName("extra_perms") var extraPerms: List<ExtraPermsConfig>? = null,
+    var identity: Int? = null,
+    var groups: List<String>? = null,
 
-    val container: ContainerConfig? = null,
+    var container: ContainerConfig? = null,
 )
 
 @Serializable
 data class ContainerConfig(
-    val hostname: String? = null,
-    @SerialName("wait_delay") val waitDelay: Long? = null,
-    @SerialName("seccomp_compat") val seccompCompat: Boolean? = null,
-    val devel: Boolean? = null,
-    val userns: Boolean? = null,
-    @SerialName("host_net") val hostNet: Boolean? = null,
-    @SerialName("host_abstract") val hostAbstract: Boolean? = null,
-    val tty: Boolean? = null,
-    val multiarch: Boolean? = null,
+    var hostname: String? = null,
+    @SerialName("wait_delay") var waitDelay: Long? = null,
+    @SerialName("seccomp_compat") var seccompCompat: Boolean? = null,
+    var devel: Boolean? = null,
+    var userns: Boolean? = null,
+    @SerialName("host_net") var hostNet: Boolean? = null,
+    @SerialName("host_abstract") var hostAbstract: Boolean? = null,
+    var tty: Boolean? = null,
+    var multiarch: Boolean? = null,
 
-    val env: Map<String, String>? = null,
+    var env: Map<String, String>? = null,
 
-    @SerialName("map_real_uid") val mapRealUid: Boolean? = null,
-    val device: Boolean? = null,
+    @SerialName("map_real_uid") var mapRealUid: Boolean? = null,
+    var device: Boolean? = null,
 
-    val filesystem: List<FilesystemConfig>? = null,
+    var filesystem: List<FilesystemConfig>? = null,
 )
 
 @Serializable
 data class ExtraPermsConfig(
-    val ensure: Boolean? = null,
-    val path: AbsolutePath,
-    @SerialName("r") val read: Boolean? = null,
-    @SerialName("w") val write: Boolean? = null,
-    @SerialName("x") val execute: Boolean? = null,
+    var ensure: Boolean? = null,
+    var path: AbsolutePath,
+    @SerialName("r") var read: Boolean? = null,
+    @SerialName("w") var write: Boolean? = null,
+    @SerialName("x") var execute: Boolean? = null,
 ) {
     override fun toString(): String {
         val buffer = StringBuffer(5 + path.toString().length)
@@ -73,19 +73,19 @@ data class ExtraPermsConfig(
 
 @Serializable
 data class DBusConfig(
-    val see: List<String>? = null,
-    val talk: List<String>? = null,
-    val own: List<String>? = null,
-    val call: Map<String, String>? = null,
-    val broadcast: Map<String, String>? = null,
-    val log: Boolean? = null,
-    val filter: Boolean? = null,
+    var see: List<String>? = null,
+    var talk: List<String>? = null,
+    var own: List<String>? = null,
+    var call: Map<String, String>? = null,
+    var broadcast: Map<String, String>? = null,
+    var log: Boolean? = null,
+    var filter: Boolean? = null,
 )
 
 @Serializable
 data class Enablements(
-    val wayland: Boolean? = null,
-    val x11: Boolean? = null,
-    val dbus: Boolean? = null,
-    val pulse: Boolean? = null,
+    var wayland: Boolean? = null,
+    var x11: Boolean? = null,
+    var dbus: Boolean? = null,
+    var pulse: Boolean? = null,
 )

src/test/kotlin/DSLTest.kt

@@ -0,0 +1,111 @@
+import moe.rosa.planterette.dsl.*
+import moe.rosa.planterette.dsl.DSLEnablements.*
+import kotlin.test.Test
+import kotlin.test.assertEquals
+
+class DSLTest {
+    companion object {
+        val HAKUREI_DSL_TEST = planterette {
+            hakurei("org.chromium.Chromium") {
+                executable("/run/current-system/sw/bin/chromium",
+                    "chromium",
+                    "--ignore-gpu-blocklist",
+                    "--disable-smooth-scrolling",
+                    "--enable-features=UseOzonePlatform",
+                    "--ozone-platform=wayland"
+                )
+                enable(Wayland, DBus, Pulse)
+                dbus {
+                    session {
+                        talk("org.freedesktop.Notifications",
+                            "org.freedesktop.FileManager1",
+                            "org.freedesktop.ScreenSaver",
+                            "org.freedesktop.secrets",
+                            "org.kde.kwalletd5",
+                            "org.kde.kwalletd6",
+                            "org.gnome.SessionManager")
+                        own("org.chromium.Chromium.*",
+                            "org.mpris.MediaPlayer2.org.chromium.Chromium.*",
+                            "org.mpris.MediaPlayer2.chromium.*")
+                        call("org.freedesktop.portal.*" to "*")
+                        broadcast("org.freedesktop.portal.*" to "@/org/freedesktop/portal/*")
+                        filter()
+                    }
+                    system {
+                        talk("org.bluez",
+                            "org.freedesktop.Avahi",
+                            "org.freedesktop.UPower")
+                        filter()
+                    }
+                }
+                username("chronos")
+                shell("/run/current-system/sw/bin/zsh")
+                home("/data/data/org.chromium.Chromium")
+                extraPerms(
+                    perm("/var/lib/hakurei/u0") {
+                        ensure()
+                        execute()
+                    },
+                    perm("/var/lib/hakurei/u0/org.chromium.Chromium", rwx = "rwx")
+                )
+                identity(9)
+                groups("video",
+                    "dialout",
+                    "plugdev")
+                container {
+                    hostname("localhost")
+                    noTimeout()
+                    seccompCompat()
+                    devel()
+                    userns()
+                    hostNet()
+                    hostAbstract()
+                    tty()
+                    multiarch()
+                    env("GOOGLE_API_KEY" to "AIzaSyBHDrl33hwRp4rMQY0ziRbj8K9LPA6vUCY",
+                        "GOOGLE_DEFAULT_CLIENT_ID" to "77185425430.apps.googleusercontent.com",
+                        "GOOGLE_DEFAULT_CLIENT_SECRET" to "OTJgUOQcT7lO7GsGZq2G4IlT")
+                    mapRealUid()
+                    device()
+                    filesystem {
+                        bind("/var/lib/hakurei/base/org.debian" to "/") {
+                            write()
+                            special()
+                        }
+                        bind("/etc/" to "/etc/") {
+                            special()
+                        }
+                        ephemeral("/tmp/") {
+                            write()
+                            perm(493)
+                        }
+                        overlay("/nix/store") {
+                            lower("/mnt-root/nix/.ro-store")
+                            upper("/mnt-root/nix/.rw-store/upper")
+                            work("/mnt-root/nix/.rw-store/work")
+                        }
+                        bind("/nix/store")
+                        link("/run/current-system") {
+                            dereference()
+                        }
+                        link("/run/opengl-driver") {
+                            dereference()
+                        }
+                        bind("/var/lib/hakurei/u0/org.chromium.Chromium" to "/data/data/org.chromium.Chromium") {
+                            write()
+                            ensure()
+                        }
+                        bind("/dev/dri") {
+                            device()
+                            optional()
+                        }
+                    }
+                }
+            }
+        }
+    }
+    @Test
+    fun hakureiDSLTest() {
+        assertEquals(HakureiTest.TEMPLATE_DATA, HAKUREI_DSL_TEST.hakurei)
+    }
+}

src/test/kotlin/HakureiTest.kt

@@ -2,10 +2,7 @@ import kotlinx.serialization.ExperimentalSerializationApi
 import kotlinx.serialization.json.Json
 import moe.rosa.planterette.hakurei.*
 import org.junit.jupiter.api.assertDoesNotThrow
-import kotlin.test.Test
-import kotlin.test.assertEquals
-import kotlin.test.assertFailsWith
-import kotlin.test.assertIs
+import kotlin.test.*
 
 class HakureiTest {
     companion object {