Gradle build failed in Tekton CI/CD - gradle

Question

I have below pipeline task for Gradle build, which clones the project from bitbucket repo and try to build the application.
tasks:
- name: clone-repository
taskRef:
name: git-clone
workspaces:
- name: output
workspace: shared-workspace
params:
- name: url
value: "$(params.repo-url)"
- name: deleteExisting
value: "true"
- name: build
taskRef:
name: gradle
runAfter:
- "clone-repository"
params:
- name: TASKS
value: build -x test
- name: GRADLE_IMAGE
value: docker.io/library/gradle:jdk17-alpine#sha256:dd16ae381eed88d2b33f977b504fb37456e553a1b9c62100b8811e4d8dec99ff
workspaces:
- name: source
workspace: shared-workspace
I have the below project structure
The settings.gradle contain the below projects
rootProject.name = 'discount'
include 'core'
include 'infrastructure'
include 'shared'
include 'discount-api'
when running the pipeline with below code
apiVersion: tekton.dev/v1beta1
kind: PipelineRun
metadata:
name: run-pipeline
namespace: tekton-pipelines
spec:
serviceAccountName: git-service-account
pipelineRef:
name: git-clone-pipeline
workspaces:
- name: shared-workspace
persistentVolumeClaim:
claimName: fetebird-discount-pvc
params:
- name: repo-url
value: git#bitbucket.org:anandjaisy/discount.git
Getting an exception as
FAILURE: Build failed with an exception.
* What went wrong:
Task 'build -x test' not found in root project 'discount'.
I have used the task from the Tekton catalog https://github.com/tektoncd/catalog/blob/main/task/gradle/0.1/gradle.yaml
If I pass the PROJECT_DIR value as ./discount-api to the Gradle task. I get an exception as settings.gradle not found. which is correct because that project has no setting.gradle file.
The main project is discount-api. I need to build the application. Quite not sure what is wrong. On the local env if I do ./gradlew build in the root directory the application successfully builds.

Answer 1

The error message tells about Task 'build -x test' not found in root project 'discount'
Checking that Task, in tekton catalog, we can read:
....
- name: TASKS
description: 'The gradle tasks to run (default: build)'
type: string
default: build
steps:
- name: gradle-tasks
image: $(params.GRADLE_IMAGE)
workingDir: $(workspaces.source.path)/$(params.PROJECT_DIR)
command:
- gradle
args:
- $(params.TASKS)
Now, in your Pipeline, you set that TASKS param to build -x test. This is your issue.
As you can read above, that TASKS param is a string. While you want to use an array.
You should be able to change the param definition, such as:
....
- name: TASKS
description: 'The gradle tasks to run (default: build)'
type: array
default:
- build
steps:
- name: gradle-tasks
image: $(params.GRADLE_IMAGE)
workingDir: $(workspaces.source.path)/$(params.PROJECT_DIR)
command:
- gradle
args: [ "$(params.TASKS)" ]
This would ensure "build", "-x" and "test" are sent to gradle as separate strings. While your current attempt would be equivalent to running gradle "build -x test", resulting in your error.