chore: refactor build to use custom smithy build plugin

bom/build.gradle.kts

@@ -53,7 +53,7 @@ fun createBomConstraintsAndVersionCatalog() {
 fun Project.artifactId(target: KotlinTarget): String = when (target) {
     is KotlinMetadataTarget -> name
     is KotlinJsTarget -> "$name-js"
-    else -> "$name-${target.targetName.toLowerCase(Locale.ROOT)}"
+    else -> "$name-${target.targetName.lowercase()}"
 }
 
 /**

build.gradle.kts

@@ -13,9 +13,14 @@ buildscript {
         classpath(libs.kotlinx.atomicfu.plugin)
 
         // Add our custom gradle plugin(s) to buildscript classpath (comes from github source)
+        // NOTE: Anything included in our build plugin is added to the classpath for all projects,
+        // this includes bundled plugins and their versions. As an example the smithy gradle base
+        // plugin is used by the smithybuild plugin which means you can't apply it with a different
+        // version directly because it's already on the classpath.
+        // FIXME - if we publish this plugin it would fix a lot of things
         classpath("aws.sdk.kotlin:build-plugins") {
             version {
-                require("0.3.1")
+                require("0.3.2")
             }
         }
     }

gradle/libs.versions.toml

@@ -14,7 +14,7 @@ crt-kotlin-version = "0.8.2"
 
 # codegen
 smithy-version = "1.42.0"
-smithy-gradle-version = "0.7.0"
+smithy-gradle-version = "0.9.0"
 
 # testing
 junit-version = "5.10.1"
@@ -58,6 +58,7 @@ crt-kotlin = { module = "aws.sdk.kotlin.crt:aws-crt-kotlin", version.ref = "crt-
 
 smithy-codegen-core = { module = "software.amazon.smithy:smithy-codegen-core", version.ref = "smithy-version" }
 smithy-cli = { module = "software.amazon.smithy:smithy-cli", version.ref = "smithy-version" }
+smithy-model = { module = "software.amazon.smithy:smithy-model", version.ref = "smithy-version" }
 smithy-waiters = { module = "software.amazon.smithy:smithy-waiters", version.ref = "smithy-version" }
 smithy-rules-engine = { module = "software.amazon.smithy:smithy-rules-engine", version.ref = "smithy-version" }
 smithy-aws-traits = { module = "software.amazon.smithy:smithy-aws-traits", version.ref = "smithy-version" }
@@ -92,4 +93,3 @@ kotlin-multiplatform = {id = "org.jetbrains.kotlin.multiplatform", version.ref =
 kotlinx-benchmark = { id = "org.jetbrains.kotlinx.benchmark", version.ref = "kotlinx-benchmark-version" }
 kotlinx-binary-compatibility-validator = { id = "org.jetbrains.kotlinx.binary-compatibility-validator", version = "0.13.2" }
 kotlinx-serialization = { id = "org.jetbrains.kotlin.plugin.serialization", version.ref = "kotlin-version"}
-smithy-gradle = { id = "software.amazon.smithy", version.ref = "smithy-gradle-version" }

settings.gradle.kts

@@ -7,8 +7,6 @@ pluginManagement {
     repositories {
         mavenLocal()
         mavenCentral()
-        maven("https://plugins.gradle.org/m2/")
-        google()
         gradlePluginPortal()
     }
 }

tests/benchmarks/serde-benchmarks/build.gradle.kts

@@ -3,12 +3,11 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 import aws.sdk.kotlin.gradle.dsl.skipPublishing
-import software.amazon.smithy.gradle.tasks.SmithyBuild
 
 plugins {
     kotlin("multiplatform")
-    alias(libs.plugins.smithy.gradle)
     alias(libs.plugins.kotlinx.benchmark)
+    id("aws.sdk.kotlin.gradle.smithybuild")
 }
 
 skipPublishing()
@@ -73,19 +72,15 @@ afterEvaluate {
     }
 }
 
-tasks["smithyBuildJar"].enabled = false
-
-val codegen by configurations.creating
-
+val codegen by configurations.getting
 dependencies {
     codegen(project(":tests:benchmarks:serde-benchmarks-codegen"))
+    codegen(libs.smithy.cli)
+    codegen(libs.smithy.model)
 }
 
-val generateSdk = tasks.create<SmithyBuild>("generateSdk") {
-    group = "codegen"
-    classpath = configurations.getByName("codegen")
-    inputs.file(projectDir.resolve("smithy-build.json"))
-    inputs.files(configurations.getByName("codegen"))
+tasks.generateSmithyProjections {
+    smithyBuildConfigs.set(files("smithy-build.json"))
 }
 
 data class BenchmarkModel(val name: String) {
@@ -103,7 +98,7 @@ val benchmarkModels = listOf(
 
 val stageGeneratedSources = tasks.register("stageGeneratedSources") {
     group = "codegen"
-    dependsOn(generateSdk)
+    dependsOn(tasks.generateSmithyProjections)
     doLast {
         benchmarkModels.forEach {
             copy {

tests/benchmarks/serde-benchmarks/smithy-build.json

@@ -1,5 +1,6 @@
 {
   "version": "1.0",
+  "sources": ["model"],
   "projections": {
     "twitter": {
       "transforms": [

tests/codegen/nullability-tests/build.gradle.kts

@@ -2,59 +2,47 @@
  * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
  * SPDX-License-Identifier: Apache-2.0
  */
+import aws.sdk.kotlin.gradle.codegen.smithyKotlinProjectionSrcDir
 import aws.sdk.kotlin.gradle.dsl.skipPublishing
-import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
-import software.amazon.smithy.gradle.tasks.SmithyBuild
-import software.amazon.smithy.gradle.tasks.Validate as SmithyValidate
 
 plugins {
-    kotlin("jvm")
-    alias(libs.plugins.smithy.gradle)
+    alias(libs.plugins.kotlin.jvm)
+    id("aws.sdk.kotlin.gradle.smithybuild")
 }
 
 skipPublishing()
 
+val codegen by configurations.getting
+dependencies {
+    codegen(project(":codegen:smithy-kotlin-codegen"))
+    codegen(libs.smithy.cli)
+    codegen(libs.smithy.model)
+}
+
+tasks.generateSmithyProjections {
+    smithyBuildConfigs.set(files("smithy-build.json"))
+}
+
 val optinAnnotations = listOf("kotlin.RequiresOptIn", "aws.smithy.kotlin.runtime.InternalApi")
 kotlin.sourceSets.all {
     optinAnnotations.forEach { languageSettings.optIn(it) }
 }
 
-val projectionDirs = listOf(
-    "smithyprojections/nullability-tests/client-mode/kotlin-codegen",
-    "smithyprojections/nullability-tests/client-careful-mode/kotlin-codegen",
+val projections = listOf(
+    "client-mode",
+    "client-careful-mode",
 )
 
 kotlin.sourceSets.getByName("main") {
-    projectionDirs.forEach {
-        kotlin.srcDir(layout.buildDirectory.dir(it))
+    projections.forEach { projectionName ->
+        kotlin.srcDir(smithyBuild.smithyKotlinProjectionSrcDir(projectionName))
     }
 }
-tasks.withType<KotlinCompile> {
-    // generated code has warnings unfortunately
-    kotlinOptions.allWarningsAsErrors = false
-}
-
-tasks["smithyBuildJar"].enabled = false
-
-val codegen by configurations.creating
-dependencies {
-    codegen(project(":codegen:smithy-kotlin-codegen"))
-    codegen(libs.smithy.cli)
-}
-
-val generateSdk = tasks.register<SmithyBuild>("generateSdk") {
-    group = "codegen"
-    classpath = codegen
-    inputs.file(projectDir.resolve("smithy-build.json"))
-    inputs.files(codegen)
-}
-
-tasks.named<SmithyValidate>("smithyValidate") {
-    classpath = codegen
-}
 
 tasks.withType<org.jetbrains.kotlin.gradle.tasks.KotlinCompile> {
-    dependsOn(generateSdk)
+    dependsOn(tasks.generateSmithyProjections)
+    // FIXME - generated code has warnings unfortunately, see https://github.com/awslabs/aws-sdk-kotlin/issues/1169
+    kotlinOptions.allWarningsAsErrors = false
 }
 
 tasks.test {
@@ -66,12 +54,14 @@ tasks.test {
 }
 
 dependencies {
-    implementation(libs.kotlinx.coroutines.core)
     compileOnly(project(":codegen:smithy-kotlin-codegen"))
+
+    implementation(libs.kotlinx.coroutines.core)
     implementation(project(":runtime:runtime-core"))
     implementation(project(":runtime:smithy-client"))
     implementation(project(":runtime:protocol:http-client"))
     implementation(project(":runtime:observability:telemetry-api"))
     implementation(project(":runtime:observability:telemetry-defaults"))
+
     testImplementation(libs.kotlin.test.junit5)
 }

tests/codegen/nullability-tests/smithy-build.json

@@ -1,5 +1,6 @@
 {
   "version": "1.0",
+  "sources": ["model/nullability.smithy"],
   "projections": {
     "client-mode": {
       "transforms": [

tests/codegen/paginator-tests/build.gradle.kts

@@ -2,48 +2,38 @@
  * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
  * SPDX-License-Identifier: Apache-2.0
  */
+import aws.sdk.kotlin.gradle.codegen.smithyKotlinProjectionSrcDir
 import aws.sdk.kotlin.gradle.dsl.skipPublishing
-import software.amazon.smithy.gradle.tasks.SmithyBuild
-import software.amazon.smithy.gradle.tasks.Validate as SmithyValidate
 
 plugins {
-    kotlin("jvm")
-    alias(libs.plugins.smithy.gradle)
+    alias(libs.plugins.kotlin.jvm)
+    id("aws.sdk.kotlin.gradle.smithybuild")
 }
 
 skipPublishing()
 
-val optinAnnotations = listOf("kotlin.RequiresOptIn", "aws.smithy.kotlin.runtime.InternalApi")
-kotlin.sourceSets.all {
-    optinAnnotations.forEach { languageSettings.optIn(it) }
-}
-
-kotlin.sourceSets.getByName("main") {
-    kotlin.srcDir(layout.buildDirectory.dir("generated-src/src"))
-    kotlin.srcDir(layout.buildDirectory.dir("smithyprojections/paginator-tests/paginator-tests/kotlin-codegen"))
-}
-
-tasks["smithyBuildJar"].enabled = false
-
-val codegen by configurations.creating
+val codegen by configurations.getting
 dependencies {
     codegen(project(":codegen:smithy-kotlin-codegen"))
     codegen(libs.smithy.cli)
+    codegen(libs.smithy.model)
 }
 
-val generateSdk = tasks.register<SmithyBuild>("generateSdk") {
-    group = "codegen"
-    classpath = codegen
-    inputs.file(projectDir.resolve("smithy-build.json"))
-    inputs.files(codegen)
+tasks.generateSmithyProjections {
+    smithyBuildConfigs.set(files("smithy-build.json"))
 }
 
-tasks.named<SmithyValidate>("smithyValidate") {
-    classpath = codegen
+val optinAnnotations = listOf("kotlin.RequiresOptIn", "aws.smithy.kotlin.runtime.InternalApi")
+kotlin.sourceSets.all {
+    optinAnnotations.forEach { languageSettings.optIn(it) }
+}
+
+kotlin.sourceSets.getByName("main") {
+    kotlin.srcDir(smithyBuild.smithyKotlinProjectionSrcDir("paginator-tests"))
 }
 
 tasks.withType<org.jetbrains.kotlin.gradle.tasks.KotlinCompile> {
-    dependsOn(generateSdk)
+    dependsOn(tasks.generateSmithyProjections)
 }
 
 tasks.test {
@@ -55,10 +45,9 @@ tasks.test {
 }
 
 dependencies {
+    compileOnly(project(":codegen:smithy-kotlin-codegen"))
 
     implementation(libs.kotlinx.coroutines.core)
-
-    compileOnly(project(":codegen:smithy-kotlin-codegen"))
     implementation(project(":runtime:runtime-core"))
     implementation(project(":runtime:smithy-client"))
     implementation(project(":runtime:protocol:http-client"))

tests/codegen/paginator-tests/smithy-build.json

@@ -1,5 +1,6 @@
 {
   "version": "1.0",
+  "sources": ["model/paginated-operations.smithy"],
   "projections": {
     "paginator-tests": {
       "transforms": [

tests/codegen/waiter-tests/build.gradle.kts

@@ -2,49 +2,41 @@
  * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
  * SPDX-License-Identifier: Apache-2.0
  */
+import aws.sdk.kotlin.gradle.codegen.smithyKotlinProjectionSrcDir
 import aws.sdk.kotlin.gradle.dsl.skipPublishing
-import software.amazon.smithy.gradle.tasks.SmithyBuild
-import software.amazon.smithy.gradle.tasks.Validate as SmithyValidate
 
 plugins {
-    kotlin("jvm")
-    alias(libs.plugins.smithy.gradle)
+    alias(libs.plugins.kotlin.jvm)
+    id("aws.sdk.kotlin.gradle.smithybuild")
 }
 
 skipPublishing()
 
-val optinAnnotations = listOf("kotlin.RequiresOptIn", "aws.smithy.kotlin.runtime.InternalApi")
-kotlin.sourceSets.all {
-    optinAnnotations.forEach { languageSettings.optIn(it) }
-}
-
-kotlin.sourceSets.getByName("main") {
-    kotlin.srcDir(layout.buildDirectory.dir("smithyprojections/waiter-tests/waiter-tests/kotlin-codegen/src/main/kotlin"))
-}
-
-tasks["smithyBuildJar"].enabled = false
-
-val codegen by configurations.creating
+val codegen by configurations.getting
 dependencies {
     codegen(project(":codegen:smithy-kotlin-codegen"))
     codegen(libs.smithy.cli)
+    codegen(libs.smithy.model)
 }
 
-val generateSdk = tasks.register<SmithyBuild>("generateSdk") {
-    group = "codegen"
-    classpath = codegen
-    inputs.file(projectDir.resolve("smithy-build.json"))
-    inputs.files(codegen)
+tasks.generateSmithyProjections {
+    smithyBuildConfigs.set(files("smithy-build.json"))
 }
 
-tasks.named<SmithyValidate>("smithyValidate") {
-    classpath = codegen
+val optinAnnotations = listOf("kotlin.RequiresOptIn", "aws.smithy.kotlin.runtime.InternalApi")
+kotlin.sourceSets.all {
+    optinAnnotations.forEach { languageSettings.optIn(it) }
+}
+
+kotlin.sourceSets.getByName("main") {
+    kotlin.srcDir(smithyBuild.smithyKotlinProjectionSrcDir("waiter-tests"))
 }
 
 tasks.withType<org.jetbrains.kotlin.gradle.tasks.KotlinCompile> {
-    dependsOn(generateSdk)
+    dependsOn(tasks.generateSmithyProjections)
     kotlinOptions {
-        allWarningsAsErrors = false // FIXME Generated waiters code contains lots of warnings
+        // generated code has warnings unfortunately
+        allWarningsAsErrors = false
     }
 }
 
@@ -57,10 +49,9 @@ tasks.test {
 }
 
 dependencies {
+    compileOnly(project(":codegen:smithy-kotlin-codegen"))
 
     implementation(libs.kotlinx.coroutines.core)
-
-    compileOnly(project(":codegen:smithy-kotlin-codegen"))
     implementation(project(":runtime:runtime-core"))
     implementation(project(":runtime:smithy-client"))
     implementation(project(":runtime:protocol:http-client"))

tests/codegen/waiter-tests/smithy-build.json

@@ -1,5 +1,6 @@
 {
   "version": "1.0",
+  "sources": ["model"],
   "projections": {
     "waiter-tests": {
       "transforms": [