Chapter 10. Installing the OpenShift Serverless Logic Knative Workflow plugin
OpenShift Serverless Logic provides a plugin named kn-workflow
for the Knative CLI, enabling you to set up a local workflow project using the command line.
10.1. Installing the OpenShift Serverless Logic Knative Workflow plugin for Linux
If you are using a Linux distribution that does not have RPM or another package manager installed, you can install the Knative Workflow plugin.
Prerequisites
-
You have installed the Knative (
kn
) command-line interface (CLI). If you are not using RHEL or Fedora, ensure that the libc library is installed in a directory on your path.
ImportantIf the libc library is not available, you might see the following error when you run commands:
$ kn: No such file or directory
Procedure
-
Download the latest
tar
archive suitable for your environment, from the Serverless Logic download mirror page. Extract the Knative Workflow plugin binary file by running the following command:
$ tar xvzf <tar_archive>
Rename the extracted Knative Workflow plugin binary file to
kn-workflow
by running the following command:$ mv <filename> kn-workflow
Install the
kn-workflow
command as the Knative CLI plugin:Make the binary file executable by running the following command:
$ chmod +x /usr/local/bin/kn-workflow
Copy the
kn-workflow
binary file to a directory in the/usr/local/bin
path by running the following command:$ cp <path/to/downloaded/kn-workflow> /usr/local/bin/kn-workflow
Verification
Run the following command to verify that the
kn-workflow
plugin is installed successfully:$ kn plugin list
10.2. Installing the OpenShift Serverless Logic Knative Workflow plugin for macOS
If you are using macOS, you can install the Knative Workflow plugin as a binary file.
On macOS, some systems might block the application from running due to security policies. To fix this issue, click System Preferences
Prerequisites
-
You have installed the Knative (
kn
) command-line interface (CLI).
Procedure
-
Download the latest
tar
archive suitable for your environment, from the Serverless Logic download mirror page. Extract the Knative Workflow plugin binary file by running the following command:
$ tar xvzf <tar_archive>
Rename the extracted Knative Workflow plugin binary file to
kn-workflow
by running the following command:$ mv <filename> kn-workflow
Install the
kn-workflow
command as the Knative CLI plugin:Make the binary file executable by running the following command:
$ chmod +x /usr/local/bin/kn-workflow
Copy the
kn-workflow
binary file to a directory in the/usr/local/bin
path by running the following command:$ cp <path/to/downloaded/kn-workflow> /usr/local/bin/kn-workflow
Verification
Run the following command to verify that the
kn-workflow
plugin is installed successfully:$ kn plugin list
10.3. Installing the OpenShift Serverless Logic Knative Workflow plugin for Windows
If you are using Windows, you can install the Knative Workflow plugin.
Prerequisites
-
You have installed the Knative (
kn
) command-line interface (CLI).
Procedure
-
Download the latest
zip
archive suitable for your environment, from the Serverless Logic download mirror page. Extract the Knative Workflow plugin binary file using PowerShell by running the following command:
$ Expand-Archive -Path <filename>.zip -DestinationPath <destination>
Rename the extracted Knative Workflow plugin binary file to
kn-workflow
by running the following command:$ Rename-Item -Path <destination>\<filename>.exe -NewName kn-workflow.exe
Install the
kn-workflow
command as the Knative CLI plugin:On Windows, files with a
.exe
extension are treated as executable by default, so you do not need to change permissions.Move the
kn-workflow.exe
file to a directory in yourPATH
by running the following command:$ move C:\path\to\kn-workflow.exe "C:\Program Files"
Copy the
kn-workflow
binary file to a directory in yourPATH
by running the following command:$ Copy-Item -Path <destination>\kn-workflow.exe -Destination "C:\Program Files\kn-workflow.exe"
Verification
Run the following command to verify that the
kn-workflow
plugin is installed successfully:$ kn plugin list
10.4. Installing the OpenShift Serverless Logic Knative Workflow plugin using the artifacts image
Prerequisites
-
You have installed the Knative (
kn
) CLI. - You have installed Podman on your local machine.
Procedure
Download the Knative Workflow plugin using the
logic-kn-workflow-cli-artifacts-rhel8
image by running the following commands:Log in to the Red Hat Registry by running the following command:
$ podman login registry.redhat.io
You can use your Red Hat Customer Portal account or a registry service account.
Set a variable for
KN_IMAGE
to start thelogic-kn-workflow-cli-artifacts-rhel8
image by running the following command:$ export KN_IMAGE=registry.redhat.io/openshift-serverless-1/logic-kn-workflow-cli-artifacts-rhel8:1.33.0
Set a variable for
KN_CONTAINER_ID
by running the following command:$ export KN_CONTAINER_ID=$(podman run -di $KN_IMAGE)
Copy the Knative Workflow plugin binary file by running the following command:
$ podman cp $KN_CONTAINER_ID:<path_to_binary> .
where
<path_to_binary>
is the path to the file for your environment:Environment Path to binary file Linux amd64 architecture
/usr/share/kn/linux_amd64/kn-workflow-linux-amd64.tar.gz
Linux arm64 architecture
/usr/share/kn/linux_arm64/kn-workflow-linux-arm64.tar.gz
macOS amd64 architecture
/usr/share/kn/macos_amd64/kn-workflow-macos-amd64.tar.gz
macOS arm64 architecture
/usr/share/kn/macos_arm64/kn-workflow-macos-arm64.tar.gz
Windows amd64 architecture
/usr/share/kn/windows/kn-workflow-windows-amd64.zip
Stop the container by running the following command:
$ podman stop $KN_CONTAINER_ID
Delete the container by running the following command:
$ podman rm $KN_CONTAINER_ID
Extract the selected Knative Workflow plugin binary file by running the following command:
$ tar xvzf kn-workflow-linux-amd64.tar.gz
Rename the Knative Workflow plugin binary file to
kn-workflow
by running the following command:$ mv kn kn-workflow
Install the
kn-workflow
command as a plugin of the Knative CLI by running the following commands:Copy the
kn-workflow
binary file to a directory in your PATH, such as/usr/local/bin
, and ensure the file name iskn-workflow
:$ cp path/to/downloaded/kn-workflow /usr/local/bin/kn-workflow
Make the binary file executable:
$ chmod +x /usr/local/bin/kn-workflow
Verification
Run the following command to verify that the
kn-workflow
plugin is installed successfully:$ kn plugin list
After installing the plugin, you can use
kn-workflow
to run the related subcommands.Aliases to use workflow subcommand
kn-workflow
Example output of
kn-workflow help
commandManage OpenShift Serverless Logic Workflow projects Usage: kn workflow [command] Aliases: kn workflow, kn-workflow Available Commands: completion Generate the autocompletion script for the specified shell create Creates a new OpenShift Serverless Logic Workflow project deploy Deploy an OpenShift Serverless Logic Workflow project on Kubernetes via SonataFlow Operator help Help about any command quarkus Manage OpenShift Serverless Logic Workflow projects built in Quarkus run Run an OpenShift Serverless Logic Workflow project in development mode undeploy Undeploy an OpenShift Serverless Logic Workflow project on Kubernetes via SonataFlow Operator version Show the version Flags: -h, --help help for kn -v, --version version for kn Use "kn [command] --help" for more information about a command.