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Learn how to use the CLI of OpenFunction.
This document describes how to use the CLI of OpenFunction.
Overview
ofn is the command-line interface for OpenFunction. It helps you install and manage OpenFuntion.
The following table describes the main commands supported by ofn.
| Command | Description |
|---|---|
init | Provides management for the framework of OpenFunction. |
install | Installs OpenFunction and its dependencies. |
uninstall | Uninstalls OpenFunction and its dependencies. |
create | Creates a function from a file or stdin. |
apply | Applies a function from a file or stdin. |
demo | Creates a kind cluster to install OpenFunction and run its demo. |
get | Prints a table of the most important information about the specified function. |
get builder | Prints important information about the Builder. |
get serving | Prints important information about the Serving. |
delete | Deletes the specified function. |
Use ofn to Install and Uninstall OpenFunction
Run the following command to download ofn.
wget -c https://github.com/OpenFunction/cli/releases/latest/download/ofn_linux_amd64.tar.gz -O - | tar -xz
Run un the following commands to make
ofnexecutable and move it to/usr/local/bin/.chmod +x ofn && mv ofn /usr/local/bin/
Note
If you download ofn from the release page, make sure you put ofn in the correct directory.
Run the following command to install OpenFunction.
ofn install --all
Run the following command to uninstall OpenFunction and its dependencies.
ofn uninstall --all
Note
You can also remove the
--allparameter to just uninstall OpenFunction.
ofn install Parameters
The following table describes parameters available for the ofn install command.
| Parameter | Description |
|---|---|
| –all | For installing all dependencies. |
| –async | For installing OpenFunction Async runtime (Dapr & KEDA). |
| –cert-manager | For installing Cert Manager. |
| –dapr | For installing Dapr. |
| –dry-run | For previewing the components and their versions to be installed. |
| –ingress | For installing Ingress Nginx. |
| –keda | For installing KEDA. |
| –knative | For installing Knative Serving (with Kourier as the default gateway). |
| –region-cn | For users who have limited access to gcr.io or github.com. If you add this parameter in the ofn install command, you have to add it again in the ofn uninstall command. |
| –shipwright | For installing Shipwright. |
| –sync | For installing OpenFunction Sync runtime (to be supported). |
| –upgrade | For upgrading components to target versions during installation. |
| –yes | For automatically passing yes to prompts. (-y for short) |
| –verbose | For displaying detailed information. |
| –version < version number> | For specifying any stable version or the latest version of OpenFunction for installation. (default “v0.4.0”) If not specified, the latest stable version will be installed. |
| –timeout < duration > | For specifying the timeout duration, which defaults to 5 minutes. |
ofn uninstall Parameters
The following table describes parameters available for the ofn uninstall command.
| Parameter | Description |
|---|---|
| –all | For uninstalling all dependencies. |
| –async | For uninstalling OpenFunction Async runtime (Dapr & KEDA). |
| –cert-manager | For uninstalling Cert Manager. |
| –dapr | For uninstalling Dapr. |
| –dry-run | For previewing the components and their versions to be uninstalled. |
| –ingress | For uninstalling Ingress Nginx. |
| –keda | For uninstalling KEDA. |
| –knative | For uninstalling Knative Serving (with Kourier as the default gateway). |
| –region-cn | For users who have limited access to gcr.io or github.com. If you add this parameter in the ofn install command, you have to add it again in the ofn uninstall command. |
| –shipwright | For uninstalling Shipwright. |
| –sync | For uninstalling OpenFunction Sync runtime (to be supported). |
| –verbose | For displaying detailed information. |
| –yes | For automatically passing yes to prompts. (-y for short) |
| –version < version number> | For specifying any stable version or the latest version of OpenFunction to be uninstalled. If not specified, the currently installed version will be uninstalled. |
| –wait | For awaiting the results of the uninstallation until namespaces are cleaned up. |
| –timeout < duration > | For specifying the timeout duration, which defaults to 5 minutes. |
Inventory
During installation, the OpenFunction CLI keeps the installed component details in $home/.ofn/<cluster name>-inventory.yaml. Therefore, during uninstallation, the OpenFunction CLI removes the installed components based on the contents of $home/.ofn/<cluster name>-inventory.yaml.
In addition, the OpenFunction CLI supports obtaining component versions and paths to the component YAML files from environment variables.
ofn demo Parameters
The following table describes parameters available for the ofn demo command.
| Parameter | Description |
|---|---|
| –auto-prune | For removing the demo kind cluster. To keep the demo kind cluster, run ofn demo —auto-prune=false, and you can delete the demo kind cluster by running kind delete cluster —name openfunction. |
| –verbose | For displaying detailed information. |
| –region-cn | For users who have limited access to gcr.io or github.com. |
