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Chapter 5. Pipelines CLI (tkn)
5.1. Installing tkn
Use the tkn CLI to manage OpenShift Pipelines from a terminal. The following section describes how to install tkn on different platforms.
You can also find the URL to the latest binaries from the OpenShift Container Platform web console by clicking the ? icon in the upper-right corner and selecting Command Line Tools.
5.1.1. Installing OpenShift Pipelines CLI (tkn) on Linux
For Linux distributions, you can download the CLI directly as a tar.gz archive.
Procedure
- Download the CLI.
Unpack the archive:
$ tar xvzf <file>-
Place the
tknbinary in a directory that is on yourPATH. To check your
PATH, run:$ echo $PATH
5.1.2. Installing OpenShift Pipelines CLI (tkn) on Linux using an RPM
For Red Hat Enterprise Linux (RHEL) version 8, you can install the OpenShift Pipelines CLI (tkn) as an RPM.
Prerequisites
- You have an active OpenShift Container Platform subscription on your Red Hat account.
- You have root or sudo privileges on your local system.
Procedure
Register with Red Hat Subscription Manager:
# subscription-manager registerPull the latest subscription data:
# subscription-manager refreshList the available subscriptions:
# subscription-manager list --available --matches '*pipelines*'In the output for the previous command, find the pool ID for your OpenShift Container Platform subscription and attach the subscription to the registered system:
# subscription-manager attach --pool=<pool_id>Enable the repositories required by OpenShift Pipelines:
# subscription-manager repos --enable="pipelines-1.0-for-rhel-8-x86_64-rpms"Install the
openshift-pipelines-clientpackage:# yum install openshift-pipelines-client
After you install the CLI, it is available using the tkn command:
$ tkn version5.1.3. Installing OpenShift Pipelines CLI (tkn) on Windows
For Windows, the tkn CLI is provided as a zip archive.
Procedure
- Download the CLI.
- Unzip the archive with a ZIP program.
-
Add the location of your
tkn.exefile to yourPATHenvironment variable. To check your
PATH, open the command prompt and run the command:C:\> path
5.1.4. Installing OpenShift Pipelines CLI (tkn) on macOS
For macOS, the tkn CLI is provided as a tar.gz archive.
Procedure
- Download the CLI.
- Unpack and unzip the archive.
-
Move the
tknbinary to a directory on your PATH. To check your
PATH, open a terminal window and run:$ echo $PATH
5.2. Configuring the OpenShift Pipelines tkn CLI
Configure the OpenShift Pipelines tkn CLI to enable tab completion.
5.2.1. Enabling tab completion
After you install the tkn CLI, you can enable tab completion to automatically complete tkn commands or suggest options when you press Tab.
Prerequisites
-
You must have the
tknCLI tool installed. -
You must have
bash-completioninstalled on your local system.
Procedure
The following procedure enables tab completion for Bash.
Save the Bash completion code to a file:
$ tkn completion bash > tkn_bash_completionCopy the file to
/etc/bash_completion.d/:$ sudo cp tkn_bash_completion /etc/bash_completion.d/Alternatively, you can save the file to a local directory and source it from your
.bashrcfile instead.
Tab completion is enabled when you open a new terminal.
5.3. OpenShift Pipelines tkn reference
This section lists the basic tkn CLI commands.
5.3.1. Basic syntax
tkn [command or options] [arguments…]
5.3.2. Global options
--help, -h
5.3.3. Utility commands
5.3.3.1. tkn
Parent command for tkn CLI.
Example: Display all options
$ tkn5.3.3.2. completion [shell]
Print shell completion code which must be evaluated to provide interactive completion. Supported shells are bash and zsh.
Example: Completion code for bash shell
$ tkn completion bash5.3.3.3. version
Print version information of the tkn CLI.
Example: Check the tkn version
$ tkn version5.3.4. Pipelines management commands
5.3.4.1. pipeline
Manage Pipelines.
Example: Display help
$ tkn pipeline --help5.3.4.2. pipeline create
Create a Pipeline.
Example: Create a Pipeline defined by the mypipeline.yaml file in a namespace
$ tkn pipeline create -f mypipeline.yaml -n myspace5.3.4.3. pipeline delete
Delete a Pipeline.
Example: Delete the mypipeline Pipeline from a namespace
$ tkn pipeline delete mypipeline -n myspace5.3.4.4. pipeline describe
Describe a Pipeline.
Example: Describe mypipeline Pipeline
$ tkn pipeline describe mypipeline5.3.4.5. pipeline list
List Pipelines.
Example: Display a list of Pipelines
$ tkn pipeline list5.3.4.6. pipeline logs
Display Pipeline logs for a specific Pipeline.
Example: Stream live logs for the mypipeline Pipeline
$ tkn pipeline logs -f mypipeline5.3.4.7. pipeline start
Start a Pipeline.
Example: Start mypipeline Pipeline
$ tkn pipeline start mypipeline5.3.5. PipelineRun commands
5.3.5.1. pipelinerun
Manage PipelineRuns.
Example: Display help
$ tkn pipelinerun -h5.3.5.2. pipelinerun cancel
Cancel a PipelineRun.
Example: Cancel the mypipelinerun PipelineRun from a namespace
$ tkn pipelinerun cancel mypipelinerun -n myspace5.3.5.3. pipelinerun delete
Delete a PipelineRun.
Example: Delete PipelineRuns from a namespace
$ tkn pipelinerun delete mypipelinerun1 mypipelinerun2 -n myspace5.3.5.4. pipelinerun describe
Describe a PipelineRun.
Example: Describe the mypipelinerun PipelineRun in a namespace
tkn pipelinerun describe mypipelinerun -n myspace5.3.5.5. pipelinerun list
List PipelineRuns.
Example: Display a list of PipelineRuns in a namespace
$ tkn pipelinerun list -n myspace5.3.5.6. pipelinerun logs
Display the logs of a PipelineRun.
Example: Display the logs of the mypipelinerun PipelineRun with all tasks and steps in a namespace
$ tkn pipelinerun logs mypipelinerun -a -n myspace5.3.6. Task management commands
5.3.6.1. task
Manage Tasks.
Example: Display help
$ tkn task -h5.3.6.2. task create
Create a Task.
Example: Create a Task defined by the mytask.yaml file in a namespace
$ tkn task create -f mytask.yaml -n myspace5.3.6.3. task delete
Delete a Task.
Example: Delete mytask1 and mytask2 Tasks from a namespace
$ tkn task delete mytask1 mytask2 -n myspace5.3.6.4. task describe
Describe a Task.
Example: Describe the mytask Task in a namespace
$ tkn task describe mytask -n myspace5.3.6.5. task list
List Tasks.
Example: List all the Tasks in a namespace
$ tkn task list -n myspace5.3.6.6. task logs
Display Task logs.
Example: Display logs for the mytaskrun TaskRun of the mytask Task
$ tkn task logs mytask mytaskrun -n myspace5.3.6.7. task start
Start a Task.
Example: Start the mytask Task in a namespace
$ tkn task start mytask -s <ServiceAccountName> -n myspace5.3.7. TaskRun commands
5.3.7.1. taskrun
Manage TaskRuns.
Example: Display help
$ tkn taskrun -h5.3.7.2. taskrun cancel
Cancel a TaskRun.
Example: Cancel the mytaskrun TaskRun from a namespace
$ tkn taskrun cancel mytaskrun -n myspace5.3.7.3. taskrun delete
Delete a TaskRun.
Example: Delete mytaskrun1 and mytaskrun2 TaskRuns from a namespace
$ tkn taskrun delete mytaskrun1 mytaskrun2 -n myspace5.3.7.4. taskrun describe
Describe a TaskRun.
Example: Describe the mytaskrun TaskRun in a namespace
$ tkn taskrun describe mytaskrun -n myspace5.3.7.5. taskrun list
List TaskRuns.
Example: List all TaskRuns in a namespace
$ tkn taskrun list -n myspace5.3.7.6. taskrun logs
Display TaskRun logs.
Example: Display live logs for the mytaskrun TaskRun in a namespace
$ tkn taskrun logs -f mytaskrun -n myspace5.3.8. Condition management commands
5.3.8.1. condition
Manage Conditions.
Example: Display help
$ tkn condition --help5.3.8.2. condition delete
Delete a Condition.
Example: Delete the mycondition1 Condition from a namespace
$ tkn condition delete mycondition1 -n myspace5.3.8.3. condition describe
Describe a Condition.
Example: Describe the mycondition1 Condition in a namespace
$ tkn condition describe mycondition1 -n myspace5.3.8.4. condition list
List Conditions.
Example: List Conditions in a namespace
$ tkn condition list -n myspace5.3.9. Pipeline Resource management commands
5.3.9.1. resource
Manage Pipeline Resources.
Example: Display help
$ tkn resource -h5.3.9.2. resource create
Create a Pipeline Resource.
Example: Create Pipeline Resource defined by the myresource.yaml file in a namespace
$ tkn resource create -f myresource.yaml -n myspace5.3.9.3. resource delete
Delete a Pipeline Resource.
Example: Delete the myresource Pipeline Resource from a namespace
$ tkn resource delete myresource -n myspace5.3.9.4. resource describe
Describe a Pipeline Resource.
Example: Describe the myresource Pipeline Resource
$ tkn resource describe myresource -n myspace5.3.9.5. resource list
List Pipeline Resources.
Example: List all Pipeline Resources in a namespace
$ tkn resource list -n myspace5.3.10. ClusterTask management commands
5.3.10.1. clustertask
Manage ClusterTasks.
Example: Display help
$ tkn clustertask --help5.3.10.2. clustertask delete
Delete a ClusterTask resource in a cluster.
Example: Delete mytask1 and mytask2 ClusterTasks
$ tkn clustertask delete mytask1 mytask25.3.10.3. clustertask describe
Describe a ClusterTask.
Example: Describe the mytask ClusterTask
$ tkn clustertask describe mytask15.3.10.4. clustertask list
List ClusterTasks.
Example: List ClusterTasks
$ tkn clustertask list5.3.10.5. clustertask start
Start ClusterTasks.
Example: Start the mytask ClusterTask
$ tkn clustertask start mytask5.3.11. Trigger management commands
5.3.11.1. eventlistener
Manage EventListeners.
Example: Display help
$ tkn eventlistener -h5.3.11.2. eventlistener delete
Delete an EventListener.
Example: Delete mylistener1 and mylistener2 EventListeners in a namespace
$ tkn eventlistener delete mylistener1 mylistener2 -n myspace5.3.11.3. eventlistener describe
Describe an EventListener.
Example: Describe the mylistener EventListener in a namespace
$ tkn eventlistener describe mylistener -n myspace5.3.11.4. eventlistener list
List EventListeners.
Example: List all the EventListeners in a namespace
$ tkn eventlistener list -n myspace5.3.11.5. triggerbinding
Manage TriggerBindings.
Example: Display TriggerBindings help
$ tkn triggerbinding -h5.3.11.6. triggerbinding delete
Delete a TriggerBinding.
Example: Delete mybinding1 and mybinding2 TriggerBindings in a namespace
$ tkn triggerbinding delete mybinding1 mybinding2 -n myspace5.3.11.7. triggerbinding describe
Describe a TriggerBinding.
Example: Describe the mybinding TriggerBinding in a namespace
$ tkn triggerbinding describe mybinding -n myspace5.3.11.8. triggerbinding list
List TriggerBindings.
Example: List all the TriggerBindings in a namespace
$ tkn triggerbinding list -n myspace5.3.11.9. triggertemplate
Manage TriggerTemplates.
Example: Display TriggerTemplate help
$ tkn triggertemplate -h5.3.11.10. triggertemplate delete
Delete a TriggerTemplate.
Example: Delete mytemplate1 and mytemplate2 TriggerTemplates in a namespace
$ tkn triggertemplate delete mytemplate1 mytemplate2 -n `myspace`5.3.11.11. triggertemplate describe
Describe a TriggerTemplate.
Example: Describe the mytemplate TriggerTemplate in a namespace
$ tkn triggertemplate describe mytemplate -n `myspace`5.3.11.12. triggertemplate list
List TriggerTemplates.
Example: List all the TriggerTemplates in a namespace
$ tkn triggertemplate list -n myspace5.3.11.13. clustertriggerbinding
Manage ClusterTriggerBindings.
Example: Display ClusterTriggerBindings help
$ tkn clustertriggerbinding -h5.3.11.14. clustertriggerbinding delete
Delete a ClusterTriggerBinding.
Example: Delete myclusterbinding1 and myclusterbinding2 ClusterTriggerBindings
$ tkn clustertriggerbinding delete myclusterbinding1 myclusterbinding25.3.11.15. clustertriggerbinding describe
Describe a ClusterTriggerBinding.
Example: Describe the myclusterbinding ClusterTriggerBinding
$ tkn clustertriggerbinding describe myclusterbinding5.3.11.16. clustertriggerbinding list
List ClusterTriggerBindings.
Example: List all ClusterTriggerBindings
$ tkn clustertriggerbinding list
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