Please note that TeamCity Build Chain DSL Extension (AKA Pipeline DSL) is no longer implemented as a separate library or plugin but included in TeamCity Kotlin DSL implementation and available as such since TeamCity version 2019.2
Kotlin DSL library for TeamCity pipelines
The library provides a number of extensions to simplify creating TeamCity build chains in Kotlin DSL. The main feature of the library is automatic setup of snapshot dependencies.
- Add jitpack repository to your .teamcity/pom.xml
<repositories>
<repository>
<id>jitpack.io</id>
<url>https://jitpack.io</url>
</repository>
</repositories>- Add the library as a dependency in .teamcity/pom.xml
<dependency>
<groupId>com.github.JetBrains</groupId>
<artifactId>teamcity-pipelines-dsl</artifactId>
<version>[tag]</version>
</dependency>
To compose the pipeline with the aid of TeamCity Pipelines DSL library you will be using three main terms: sequence, parallel, and build.
The main block of the pipeline is the sequence. Inside the sequence we may define parallel blocks and the individual build stages. Further on, the parallel blocks may include the individual builds but also sequences.
The following example demonstrates a simple sequence with three individual build configurations:
//settings.kts
import jetbrains.buildServer.configs.kotlin.v2018_2.BuildType
import jetbrains.buildServer.configs.kotlin.v2018_2.buildSteps.script
import jetbrains.buildServer.configs.kotlin.v2018_2.project
import jetbrains.buildServer.configs.kotlin.v2018_2.version
version = "2018.2"
project {
sequence {
build(Compile) {
produces("application.jar")
}
build(Test) {
requires(Compile, "application.jar")
produces("test.reports.zip")
}
build(Package) {
requires(Compile, "application.jar")
produces("application.zip")
}
}
}
object Compile : BuildType({
name = "Compile"
//...
})
object Test : BuildType({
name = "Test"
//...
})
object Package : BuildType({
name = "Package"
//...
})
The snapshot dependencies are defined automatically: Package depends on Test, and Test depends on Compile.
_________ ______ _________
| | | | | |
| Compile | ----> | Test | ----> | Package |
|_________| |______| |_________|
The additional artifact dependencies are defined explicitly by using requires(...) and produces(...) functions.
If there's a need to parallelize part of the sequence we may use parallel {} block define the intent:
sequence {
build(Compile) {
produces("application.jar")
}
parallel {
build(Test1) {
requires(Compile, "application.jar")
produces("test.reports.zip")
}
build(Test2) {
requires(Compile, "application.jar")
produces("test.reports.zip")
}
}
build(Package) {
requires(Compile, "application.jar")
produces("application.zip")
}
}All the build configurations declared in the parallel block will have a snapshot dependency on the last build configuration specified before the parallel block. In this case, Test1 and Test2 depend on Compile.
The first build configuration declared after the parallel block will have a snapshot dependency on all the build configrations declared in the parallel block. In this case, Package depends on Test1 and Test2.
_______
| |
_________ | Test1 | _________
| | ----> |_______| ----> | |
| Compile | _______ | Package |
|_________| ----> | | ----> |_________|
| Test2 |
|_______|
Even more, we can put a new sequence into the parallel block:
sequence {
build(Compile) {
produces("application.jar")
}
parallel {
build(Test) {
requires(Compile, "application.jar")
produces("test.reports.zip")
}
sequence {
build(RunInspections) {
produces("inspection.reports.zip")
}
build(RunPerformanceTests) {
produces("perf.reports.zip")
}
}
}
build(Package) {
requires(Compile, "application.jar")
produces("application.zip")
}
} The result is as follows:
_______
| |
_________ | Test | _________
| | ----> |_______| ----------------------------> | |
| Compile | _______ ____________ | Package |
|_________| ----> | RunIn | ----> | RunPerform | -------> |_________|
| spect | | anceTests |
| ions | |____________|
|_______|
There's actually an alternative form of the build() function that allows specifying the build configuration inline:
sequence {
val compile = build {
id("Compile")
name = "Compile"
//alternatively, we could use produces() function here
artifactRules = "target/application.jar"
vcs {
root(ApplicationVcs)
}
steps {
maven {
goals = "clean package"
}
}
}
val test = build {
id("Test")
name = "Test"
vcs {
root(ApplicationTestsVcs)
}
steps {
// do something here..
}
// requires(...) is an alternative to
// dependencies { at
// artifact(compile) {
// artifactRules = ..
// }
// }
requires(compile, "application.jar")
}
} In the example above, we define two build configurations -- Compile and Test -- and register those in the sequence, meaning that Test build configuration will have a snapshot dependency on Compile.
The sequence is an abstraction that allows you to specify the dependencies in build configurations depending on the order in which they are declared within the sequence.
However, sometimes it might be needed to create a dependency on a build configuration that is defined outside of the sequence. In this case, it is possible to use dependsOn method within a block
build(OtherBuild)
sequence {
build(Compile) {
produces("application.jar")
}
parallel {
dependsOn(SomeOtherConfiguration)
build(Test) {
requires(Compile, "application.jar")
produces("test.reports.zip")
}
sequence {
build(RunInspections) {
produces("inspection.reports.zip")
}
build(RunPerformanceTests) {
produces("perf.reports.zip")
}
}
}
build(Package) {
requires(Compile, "application.jar")
produces("application.zip")
}
} The dependsOn method invoked in a parallel block adds a dependency to every stage in that block. Hence, Test and RunInspections build configuration will end up having a dependency on OtherBuild:
________________
| |
| OtherBuild | _______
|________________|--------------->| |
| _________ | Test | _________
| | | ----> |_______| ----------------------------> | |
| | Compile | _______ ____________ | Package |
| |_________| ----> | RunIn | ----> | RunPerform | -------> |_________|
| | spect | | anceTests |
--------------------------->| ions | |____________|
|_______|
You can also use dependsOn to declare a dependency for a build configuration on a sequence (or a parallel block):
var seq = Sequence()
sequence {
build(Compile) {
produces("application.jar")
}
parallel {
build(Test) {
requires(Compile, "application.jar")
produces("test.reports.zip")
}
seq = sequence { // <--------- assigning a nested sequence
build(RunInspections) {
produces("inspection.reports.zip")
}
build(RunPerformanceTests) {
produces("perf.reports.zip")
}
}
}
build(Package) {
requires(Compile, "application.jar")
produces("application.zip")
}
}
build(OtherBuild){
dependsOn(seq) // <----------- depends on nested sequence
}The result is as follows:
_______
| |
_________ | Test | _________ ____________
| | ----> |_______| ----------------------------> | | | |
| Compile | _______ ____________ | Package | | OtherBuild |
|_________| ----> | RunIn | ----> | RunPerform | -------> |_________| ---->|____________|
| spect | | anceTests | |
| ions | |____________| ----------------------
|_______|
Snapshot dependencies include various settings. For instance, we might choose to run the build on the same agent as the dependency.
sequence {
build(Compile) {
produces("application.jar")
}
parallel {
build(Test) {
requires(Compile, "application.jar")
produces("test.reports.zip")
}
sequence {
build(RunInspections) {
produces("inspection.reports.zip")
}
build(RunPerformanceTests) {
produces("perf.reports.zip")
}
}
dependencySettings {
runOnSameAgent = true // <--- 'Test' & 'RunInspections' will run on the same agent as 'Compile'
}
}
build(Package) {
requires(Compile, "application.jar")
produces("application.zip")
}
} Also, the dependsOn method allows adding a block with the snapshot dependency settings:
val other = build { id("other")}
sequence {
build(Compile) {
produces("application.jar")
}
parallel {
build(Test) {
dependsOn(other){
runOnSameAgent = true // <--- 'Test' will run on the same agent as 'other'
}
requires(Compile, "application.jar")
produces("test.reports.zip")
}
sequence {
build(RunInspections) {
produces("inspection.reports.zip")
}
build(RunPerformanceTests) {
produces("perf.reports.zip")
}
}
}
build(Package) {
requires(Compile, "application.jar")
produces("application.zip")
}
} The dependsOn method can be used for the individual bulid configuration as well as for parallel and sequence blocks:
val other = build {id("other")}
sequence {
build(Compile) {
produces("application.jar")
}
parallel {
dependsOn(other){
runOnSameAgent = true // <--- 'Test' and 'RunInspections' will both run on the same agent as 'other'
}
build(Test) {
requires(Compile, "application.jar")
produces("test.reports.zip")
}
sequence {
build(RunInspections) {
produces("inspection.reports.zip")
}
build(RunPerformanceTests) {
produces("perf.reports.zip")
}
}
}
build(Package) {
requires(Compile, "application.jar")
produces("application.zip")
}
} 
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