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Work with Builds

builds for Red Hat OpenShift 1.1

Using Builds

Red Hat OpenShift Documentation Team

Abstract

This document provides procedural examples for using Builds.

Chapter 1. Managing Builds
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After installing Builds, you can create builds using buildah or source-to-image build strategies. You can also delete custom resources that are not required for a build.

1.1. Creating a buildah build
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You can create a buildah build and push the created image to the target registry.

Prerequisites

  • You have installed the Builds for Red Hat OpenShift Operator on the OpenShift Container Platform cluster.
  • You have created a ShipwrightBuild resource.
  • You have installed the oc CLI.
  • Optional: You have installed the shp CLI.

Procedure

  1. Create a Build resource and apply it to the OpenShift Container Platform cluster by using one of the CLIs:

    Example: Using oc CLI

    $ oc apply -f - <<EOF
apiVersion: shipwright.io/v1beta1
kind: Build
metadata:
  name: buildah-golang-build
spec:
  source:
    1 
    
    type: Git
    git:
      url: https://github.com/shipwright-io/sample-go
    contextDir: docker-build
  strategy:
    2 
    
    name: buildah
    kind: ClusterBuildStrategy
  paramValues:
    3 
    
  - name: dockerfile
    value: Dockerfile
  output:
    4 
    
    image: image-registry.openshift-image-registry.svc:5000/buildah-example/sample-go-app
EOF
    Copy to Clipboard Toggle word wrap

    1
    The location where the source code is placed.
    2
    The build strategy that you use to build the container.
    3
    The parameter defined in the build strategy. To set the value of the dockerfile strategy parameter, specify the Dockerfile location required to build the output image.
    4
    The location where the built image is pushed. In this procedural example, the built image is pushed to the OpenShift Container Platform cluster internal registry. buildah-example is the name of the current project. Ensure that the specified project exists to allow the image push.

    Example: Using shp CLI

    $ shp build create buildah-golang-build \
--source-url="https://github.com/redhat-openshift-builds/samples" --source-context-dir="buildah-build" \
    1 
    
--strategy-name="buildah" \
    2 
    
--dockerfile="Dockerfile" \
    3 
    
--output-image="image-registry.openshift-image-registry.svc:5000/buildah-example/go-app"
    4
    Copy to Clipboard Toggle word wrap

    1
    The location where the source code is placed.
    2
    The build strategy that you use to build the container.
    3
    The parameter defined in the build strategy. To set the value of the dockerfile strategy parameter, specify the Dockerfile location required to build the output image.
    4
    The location where the built image is pushed. In this procedural example, the built image is pushed to the OpenShift Container Platform cluster internal registry. buildah-example is the name of the current project. Ensure that the specified project exists to allow the image push.

  2. Check if the Build resource is created by using one of the CLIs:

    Example: Using oc CLI

    $ oc get builds.shipwright.io buildah-golang-build
    Copy to Clipboard Toggle word wrap

    Example: Using shp CLI

    $ shp build list
    Copy to Clipboard Toggle word wrap

  3. Create a BuildRun resource and apply it to the OpenShift Container Platform cluster by using one of the CLIs:

    Example: Using oc CLI

    $ oc apply -f - <<EOF
apiVersion: shipwright.io/v1beta1
kind: BuildRun
metadata:
  name: buildah-golang-buildrun
spec:
  build:
    name: buildah-golang-build
    1 
    
EOF
    Copy to Clipboard Toggle word wrap

    1
    The spec.build.name field denotes the respective build to run, which is expected to be available in the same namespace.

    Example: Using shp CLI

    $ shp build run buildah-golang-build --follow
    1
    Copy to Clipboard Toggle word wrap

    1
    Optional: By using the --follow flag, you can view the build logs in the output result.

  4. Check if the BuildRun resource is created by running one of the following commands:

    Example: Using oc CLI

    $ oc get buildrun buildah-golang-buildrun
    Copy to Clipboard Toggle word wrap

    Example: Using shp CLI

    $ shp buildrun list
    Copy to Clipboard Toggle word wrap

    The BuildRun resource creates a TaskRun resource, which then creates the pods to execute build strategy steps.

Verification

  1. After all the containers complete their tasks, verify the following:

    • Check whether the pod shows the STATUS field as Completed: 

      $ oc get pods -w
      Copy to Clipboard Toggle word wrap

      Example output

      NAME                                READY   STATUS    RESTARTS   AGE
buildah-golang-buildrun-dtrg2-pod   2/2     Running   0          4s
buildah-golang-buildrun-dtrg2-pod   1/2     NotReady  0          7s
buildah-golang-buildrun-dtrg2-pod   0/2     Completed 0          55s
      Copy to Clipboard Toggle word wrap

    • Check whether the respective TaskRun resource shows the SUCCEEDED field as True: 

      $ oc get tr
      Copy to Clipboard Toggle word wrap

      Example output

      NAME                           SUCCEEDED  REASON     STARTTIME   COMPLETIONTIME
buildah-golang-buildrun-dtrg2  True       Succeeded  11m         8m51s
      Copy to Clipboard Toggle word wrap

    • Check whether the respective BuildRun resource shows the SUCCEEDED field as True: 

      $ oc get br
      Copy to Clipboard Toggle word wrap

      Example output

      NAME                     SUCCEEDED   REASON       STARTTIME     COMPLETIONTIME
buildah-golang-buildrun  True        Succeeded    13m           11m
      Copy to Clipboard Toggle word wrap

      During verification, if a build run fails, you can check the status.failureDetails field in your BuildRun resource to identify the exact point where the failure happened in the pod or container.

      Note

      The pod might switch to a NotReady state because one of the containers has completed its task. This is an expected behavior.

  2. Validate whether the image has been pushed to the registry that is specified in the build.spec.output.image field. You can try to pull the image by running the following command from a node that can access the internal registry: 

    $ podman pull image-registry.openshift-image-registry.svc:5000/<project>/<image>
    1
    Copy to Clipboard Toggle word wrap
    1
    The project name and image name used when creating the Build resource. For example, you can use buildah-example as the project name and sample-go-app as the image name.

1.2. Creating a source-to-image build
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You can create a source-to-image build and push the created image to a custom Quay repository.

Prerequisites

  • You have installed the Builds for Red Hat OpenShift Operator on the OpenShift Container Platform cluster.
  • You have created a ShipwrightBuild resource.
  • You have installed the oc CLI.
  • Optional: You have installed the shp CLI.

Procedure

  1. Create a Build resource and apply it to the OpenShift Container Platform cluster by using one of the CLIs:

    Example: Using oc CLI

    $ oc apply -f - <<EOF
apiVersion: shipwright.io/v1beta1
kind: Build
metadata:
  name: s2i-nodejs-build
spec:
  source:
    1 
    
    type: Git
    type: Git
        git:
          url: https://github.com/redhat-openshift-builds/samples
        contextDir: s2i-build/nodejs
  strategy:
    2 
    
    name: source-to-image
    kind: ClusterBuildStrategy
  paramValues:
    3 
    
  - name: builder-image
    value: quay.io/centos7/nodejs-12-centos7:master
  output:
    image: quay.io/<repo>/s2i-nodejs-example
    4 
    
    pushSecret: registry-credential
    5 
    
EOF
    Copy to Clipboard Toggle word wrap

    1
    The location where the source code is placed.
    2
    The build strategy that you use to build the container.
    3
    The parameter defined in the build strategy. To set the value of the builder-image strategy parameter, specify the builder image location required to build the output image.
    4
    The location where the built image is pushed. You can push the built image to a custom Quay.io repository. Replace repo with a valid Quay.io organization or your Quay user name.
    5
    The secret name that stores the credentials for pushing container images. To generate a secret of the type docker-registry for authentication, see "Authentication to container registries".

    Example: Using shp CLI

    $ shp build create s2i-nodejs-build \
--source-url="https://github.com/redhat-openshift-builds/samples" --source-context-dir="s2i-build/nodejs" \
    1 
    
--strategy-name="source-to-image" \
    2 
    
--builder-image="quay.io/centos7/nodejs-12-centos7" \
    3 
    
--output-image="quay.io/<repo>/s2i-nodejs-example" \
    4 
    
--output-credentials-secret="registry-credential"
    5
    Copy to Clipboard Toggle word wrap

    1
    The location where the source code is placed.
    2
    The build strategy that you use to build the container.
    3
    The parameter defined in the build strategy. To set the value of the builder-image strategy parameter, specify the builder image location required to build the output image.
    4
    The location where the built image is pushed. You can push the built image to a custom Quay.io repository. Replace repo with a valid Quay.io organization or your Quay user name.
    5
    The secret name that stores the credentials for pushing container images. To generate a secret of the type docker-registry for authentication, see "Authentication to container registries".

  2. Check if the Build resource is created by using one of the CLIs:

    Example: Using oc CLI

    $ oc get builds.shipwright.io s2i-nodejs-build
    Copy to Clipboard Toggle word wrap

    Example: Using shp CLI

    $ shp build list
    Copy to Clipboard Toggle word wrap

  3. Create a BuildRun resource and apply it to the OpenShift Container Platform cluster by using one of the CLIs:

    Example: Using oc CLI

    $ oc apply -f - <<EOF
apiVersion: shipwright.io/v1beta1
kind: BuildRun
metadata:
  name: s2i-nodejs-buildrun
spec:
  build:
    name: s2i-nodejs-build
    1 
    
EOF
    Copy to Clipboard Toggle word wrap

    1
    The spec.build.name field denotes the respective build to run, which is expected to be available in the same namespace.

    Example: Using shp CLI

    $ shp build run s2i-nodejs-build --follow
    1
    Copy to Clipboard Toggle word wrap

    1
    Optional: By using the --follow flag, you can view the build logs in the output result.

  4. Check if the BuildRun resource is created by running one of the following commands:

    Example: Using oc CLI

    $ oc get buildrun s2i-nodejs-buildrun
    Copy to Clipboard Toggle word wrap

    Example: Using shp CLI

    $ shp buildrun list
    Copy to Clipboard Toggle word wrap

    The BuildRun resource creates a TaskRun resource, which then creates the pods to execute build strategy steps.

Verification

  1. After all the containers complete their tasks, verify the following:

    • Check whether the pod shows the STATUS field as Completed: 

      $ oc get pods -w
      Copy to Clipboard Toggle word wrap

      Example output

      NAME                                READY   STATUS     RESTARTS   AGE
s2i-nodejs-buildrun-phxxm-pod       2/2     Running    0          10s
s2i-nodejs-buildrun-phxxm-pod       1/2     NotReady   0          14s
s2i-nodejs-buildrun-phxxm-pod       0/2     Completed  0          2m
      Copy to Clipboard Toggle word wrap

    • Check whether the respective TaskRun resource shows the SUCCEEDED field as True: 

      $ oc get tr
      Copy to Clipboard Toggle word wrap

      Example output

      NAME                           SUCCEEDED  REASON     STARTTIME   COMPLETIONTIME
s2i-nodejs-buildrun-phxxm      True       Succeeded  2m39s        13s
      Copy to Clipboard Toggle word wrap

    • Check whether the respective BuildRun resource shows the SUCCEEDED field as True: 

      $ oc get br
      Copy to Clipboard Toggle word wrap

      Example output

      NAME                     SUCCEEDED   REASON       STARTTIME     COMPLETIONTIME
s2i-nodejs-buildrun      True        Succeeded    2m41s           15s
      Copy to Clipboard Toggle word wrap

      During verification, if a build run fails, you can check the status.failureDetails field in your BuildRun resource to identify the exact point where the failure happened in the pod or container.

      Note

      The pod might switch to a NotReady state because one of the containers has completed its task. This is an expected behavior.

  2. Validate whether the image has been pushed to the registry that is specified in the build.spec.output.image field. You can try to pull the image by running the following command after logging in to the registry: 

    $ podman pull quay.io/<repo>/<image>
    1
    Copy to Clipboard Toggle word wrap
    1
    The repository name and image name used when creating the Build resource. For example, you can use s2i-nodejs-example as the image name.

1.3. Editing the resources
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You can edit the resources that are created by buildah and source-to-image build processes using the oc CLI. You can modify the resources as needed in your project.

Prerequisites

  • You have installed the oc CLI.

Procedure

  1. Run the following command to open the YAML definition in the default editor: 

    $ oc edit <resource_name> <build_resource_name>
    1
    Copy to Clipboard Toggle word wrap
    1
    Replace <resource_name> with the name of the resource (build, buildrun or buildstrategy) and <build_resource_name> with the name of the build resource that you want to edit.
  2. Edit the YAML definition and save the file.

1.4. Deleting the resources
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You can delete resources created by the Buildah and Source-to-Image (S2I) build processes using the oc CLI or the shp CLI. Deleting these resources helps you to clean up build configurations that are no longer required in your project.

1.4.1. Deleting a build resource
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You can delete a build resource if it is not required in your project.

Prerequisites

  • You have installed the oc CLI.
  • Optional: You have installed the shp CLI.

Procedure

  • Delete a build resource by using one of the following CLIs:

    • Using oc CLI 

      $ oc delete builds <build_resource_name>
      1
      Copy to Clipboard Toggle word wrap
      1
      Replace <build_resource_name> with the name of the build resource.

    • Using shp CLI 

      $ shp build delete <build_resource_name>
      1
      Copy to Clipboard Toggle word wrap
      1
      Replace <build_resource_name> with the name of the build resource.

1.4.2. Deleting a buildrun resource
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You can delete a buildrun resource if it is not required in your project.

Prerequisites

  • You have installed the oc CLI.
  • Optional: You have installed the shp CLI.

Procedure

  • Delete a build resource by using one of the following CLIs:

    • Using oc CLI 

      $ oc delete buildrun <buildrun_resource_name>
      1
      Copy to Clipboard Toggle word wrap
      1
      Replace <buildrun_resource_name> with the name of the buildrun resource.

    • Using shp CLI 

      $ oc delete buildrun <buildrun_resource_name>
      1
      Copy to Clipboard Toggle word wrap
      1
      Replace <buildrun_resource_name> with the name of the buildrun resource.

1.4.3. Deleting a buildstrategy resource
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You can delete a buildstrategy resource if it is not required in your project.

Prerequisites

  • You have installed the oc CLI.

Procedure

  • Delete a buildstrategy resource by using the oc CLI: 

    $ oc delete buildstrategy <buildstartegy_resource_name>
    1
    Copy to Clipboard Toggle word wrap
    1
    Replace <buildstartegy_resource_name> with the name of the buildstrategy resource.

Legal Notice
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Copyright © 2025 Red Hat

OpenShift documentation is licensed under the Apache License 2.0 (https://www.apache.org/licenses/LICENSE-2.0).

Modified versions must remove all Red Hat trademarks.

Portions adapted from https://github.com/kubernetes-incubator/service-catalog/ with modifications by Red Hat.

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