When TeamCity generates a non-portable DSL, the project structure in the .teamcity directory looks as follows: where is the ID of the project where versioned settings are enabled. Is it easy to copy over an existing build configuration’s “View As Kotlin DSL” to the KTS file? To achieve this while overcoming IDs uniqueness, TeamCity operates with relative IDs in portable DSL scripts. Could you describe your use case a little more in detail? In this tutorial, we are going to use the famous spring-petclinic project for demonstration. To fix this problem, change the ID of the affected entity. All the code relevant to the TeamCity configuration can be stored in this file, but it can also be divided into several files to provide a better separation of concerns. You can leverage all the functionalities of Kotlin in your Gradle file. name = "Hello world" Since DSL is a code in Kotlin programming language, all paradigms supported by this language are available. name = "Command Line Runner Test" Solution: In your existing project in IntelliJ IDEA: Go to File | Project Structure, or press Ctrl+Shift+Alt+S. The aim of this library is to increase exposure to the Transition framework and unlock their potential using Kotlin’s language features. Contribute to fkorotkov/k8s-kotlin-dsl development by creating an account on GitHub. The Kotlin DSL API documentation is available at /app/dsl-documentation/index.html. You can also extend the validation in a way relevant for your setup. Kotlin is a great general purpose programming language, you can use it to develop applications for almost any kind of platform. The result of scripts execution is configuration files, which are loaded by TeamCity server and then behavior of the newly triggered builds changes. This is especially useful if you need to add some build feature or trigger to your DSL scripts and you're not sure how DSL code should look like. import jetbrains.buildServer.configs.kotlin.v2019_2.Project }, object CommandLineRunnerTest : BuildType({ I like to migrate to Kotlin 1.3. If you omit it, there will be a validation error on an attempt to generate settings from this script. See details. We can also create custom DSL using, Infix. uuid is some unique sequence of characters. In TeamCity, we can use Kotlin DSL to author build configurations. org.gradle.api.artifacts. A is in repo RA and B is in repo RB in teamcity. object Project : Project({ Downloading Settings in Kotlin. object BuildA: buildType ({ To open the Kotlin DSL project in IntelliJ IDEA, open the .teamcity/pom.xml file as a project. dependsOn(Extra) // extra dependency to be defined in all builds in the parallel block Kotlin provides first-class support for DSLs, which allows us to express domain-specific operations much more concisely than an equivalent piece of code in a general-purpose language. We use Kotlin's property here to pass the property related to StringBuilder, as we use the power of extension functions in buildString function. Do not confuse Job DSL with Pipeline DSL, both have their own syntax and scope of application. Before 2019.2, the following code could be used: To reorder subprojects or build configurations inside a project via DSL, similarly to the respective UI option, pass their lists to subProjectsOrder or buildTypesOrder respectively. The Build object inherits from the BuildType class that represents the build configuration in TeamCity. The benefits of this approach include versioning support via VCS repository, a simplified audit of the configuration changes, and improved portability of the configurations. I strongly believe Transition X style DSL reduces complexity and simplifies workflow when working with transitions. The Configuration as Code plugin can be used to manage the global system configuration of Jenkins. The uuid is a unique identifier which associates a project, build configuration or VCS root with its data. To start working with Kotlin DSL in TeamCity, create an empty sandbox project on your server and follow these steps: Enable versioned settings for your project. TheKotlin tutorialhelps you learn most Kotlin features in a few hours. Such auxiliary scripts can be put in the .teamcity directory alongside the settings files. When versioned settings in Kotlin format are enabled, TeamCity commits the current settings to the specified settings repository. } buildType(Compile) steps { buildType(BuildA) For example, Spring configuration and Vaadin screen design allow both. parentId("MyParent") The VCS root selected to store the settings can be the same as the source code of the application you want to build. scriptContent = "echo 'Hello world!'" But, there are a few disadvantages also. object HelloWorld: BuildType({ Currently, if Kotlin DSL uses context parameters then the settings of such projects cannot be edited via the TeamCity UI (see TW-63565 for details). } Kotlin Expertise Blog - In this article, I am taking a look at the Gradle Kotlin DSL as an alternative to the classic Groovy approach: It offeres much better support in IDEs as it is backed by a statically typed language instead of a dynamic one. In general, TeamCity processes a DSL parameter as a string. // register all build configurations, referenced in the chain, in the current project: In this series, we've been explaining how TeamCity can integrate with .NET and walking you through a tutorial. ... To define specific values for context parameters, add the block to your pom.xml file. buildType(BuildB) When creating the project from a repository URL, TeamCity will scan the sources. Click the plus sign, select Import module and choose the folder containing your project settings. project(MyProjectId.Project), package MyPackage To start using Kotlin build scripts in TeamCity the Versioned Settings have to be enabled. buildType(Package) When you create a project from DSL or update the project versioned settings, TeamCity detects all context parameters with missing values and prompts you to set them. When a new commit is detected in a settings repository, TeamCity runs the DSL scripts found in this commit and applies the result to the settings on the TeamCity server or reports errors on the project's Versioned Settings tab. If there are no errors during the script execution, you should see a build configuration named "Hello world" in your project. These relative IDs do not have parent project ID prefix in them. In the example above, a build chain references already declared builds. buildType(Test2) stepsOrder = arrayListOf("script.from.file.1") ... To use a context parameter in a TeamCity project, you need to (1) define it in the project versioned settings in the UI and (2) reference it in the project DSL. The following example shows how to use context parameters in DSL: Each context parameter is expected to have a value, either the default one, set in the DSL, or a project-specific one, set in the UI. script { I’ll add a warning about it. id is the absolute ID of the project, the same ID you'll see in browser address bar if you navigate to this project, parentId is the absolute ID of a parent project where this project is attached. You can also perform validation locally by generating XML configuration files with help of generate task. import jetbrains.buildServer.configs.kotlin.v2019_2. Part 1: New approach and demo The object is registered in the project using a buildType(...) function call. } 2. } Even so, TeamCity keeps the history of builds for 5 days until cleaning it up, and the history can still be restored during this period. You can refer to the configuration in the other project by the id, but you cannot obtain the instance. buildType(Deploy) To get familiar with Kotlin API, see the online documentation on your local server, accessible via the link on the Versioned Settings project tab in the UI or by running the mvn -U dependency:sources command in the IDE. But if generated files were changed, then TeamCity will have to produce a patch, since it no longer knows what part of .kt or .kts file should be changed. To group builds that will run in parallel to each other inside a chain, use the parallel method: the first subsequent build after the parallel block will depend on all the preceding parallel builds. In TeamCity 2018.x Kotlin support was greatly improved for a more pleasant user experience. When viewing your build configuration settings in the UI, you can click View DSL in the sidebar: the DSL representation of the current configuration will be displayed and the setting being viewed (for example, a build step, a trigger, dependencies) will be highlighted. The general idea is to use statically-typed user-provided function literals which modify the query builder state when invoked.After all of them are called, the builder's state is verified and the resulting SQL string is generated. The TeamCity specific classes that we use in the Kotlin script are coming from the dependencies that we declare in the pom.xml as part of the Maven module. Open the folder in IntelliJ IDEA, you will see the following layout: Essentially, the .teamcity folder is a Maven module. buildType(Compile) To use an external library in your Kotlin DSL code, add a dependency on this library to the .teamcity/pom.xml file in the settings repository and commit this change so that TeamCity detects it. id("MyProjectId") To identify a build configuration in a project based on the portable DSL, TeamCity uses the ID assigned to this build configuration in the DSL. Some of the dependencies are downloaded from JetBrains’ own Maven repository. You can create different entities in this project by calling vcsRoot(), buildType(), template(), or subProject() methods. Since these IDs must be unique, there cannot be two different entities in the system with the same ID. As in, I can just copy and paste it over? DSL is also good in case when you need to have a big amount of similar build configurations. If you have a repository with .teamcity containing settings in portable format, you can easily create another project based on these settings. org.gradle. Since TeamCity 2019.2.1, you can establish access to external libraries in private repositories. kts is a Kotlin Script file, different from a Kotlin file (.kt) in that it can be run as a script. Disable versioned settings to enable the UI. Finally, we will take a look at advanced topics such as extending the DSL. Besides storing settings in version control in XML format, TeamCity allows storing the settings in the DSL (based on the Kotlin language).. Maybe we can find a workaround. /* disable the last build step depending on the value of the `environment` parameter */ The declarations in the object are self-explanatory: you can see the name of the build configuration, artifact rules, the related VCS root, build steps, and triggers. org.gradle.api. You can also use the Download settings in Kotlin format option from the project Actions menu. Basically, a DSL is a language that focuses on just one particular part of an application. The new module is added to your project structure.\. buildType(Test1) The next step for this project is transitioning to configuration-as-code with Kotlin DSL. This API allows you to declaratively compose your graph in your Kotlin code, rather than inside an XML resource. There are more attributes that we can specify for the VCS root object, like branches specification, and authentication type if needed. The new DSL API version is usually introduced when there are significant incompatible changes in DSL API. If you are not sure what build history to select, you can look at the Build Results page of the last build in this history. } Experienced users will appreciate the full re, Configuration as Code, Part 1: Getting Started with Kotlin DSL, Creating build configurations dynamically, create a new project in TeamCity by pointing to a repository URL, Configuration as Code, Part 2: Working with Kotlin Scripts, https://blog.jetbrains.com/teamcity/2019/03/configuration-as-code-part-2-working-with-kotlin-scripts/. In the non-portable format each project has the following settings.kts file: This is the entry point for project settings generation. The Kotlin DSL files producing build configurations and VCS roots are placed under the corresponding subdirectories. } The pom.xml file provided for a Kotlin project has the generate task which can be used to generate TeamCity XML configuration files locally from the DSL scripts. However, one of the reasons why portable DSL is called portable is because the same settings.kts script can be used to generate settings for two different projects even on the same server. If the uuid is changed, then the data is lost. Now we can pull the changes from the settings repository and start editing. If there are many such IDs, use the Bulk edit IDs project action to change all of them at once. The generated settings layout is a .teamcity directory with two files: settings.kts and pom.xml. For our demo project, TeamCity will detect the presence of the Maven pom.xml and propose the required build steps. Click Applyand TeamCity will commit the settings to your repository. Point TeamCity to your repository, and it will detect the .teamcity directory and offer to import settings from there: It seems pointless to keep two projects using the same DSL scripts on one server, as such projects will be identical. 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