theghost5800 / multiapps-cli-plugin

A CLI plugin for Multi-Target Application (MTA) operations in Cloud Foundry

MultiApps CF CLI Plugin

Description

This is a Cloud Foundry CLI plugin for performing operations on multi-target applications (MTAs) in Cloud Foundry, such as deploying, removing, viewing, etc. It is a client for the CF MTA deploy service, which is an MTA deployer implementation for Cloud Foundry.

Requirements

• Installed CloudFoundry CLI - ensure that CloudFoundry CLI is installed and working. For more information about installation of CloudFoundry CLI, please visit the official CloudFoundry documentation.
• Working CF deploy-service - this a CF plugin for the deploy-service application. Thus, a working deploy-service must be available on the CF landscape

Download and Installation

Download

The latest version of the plugin can be found in the table below. Select the plugin for your platform(Darwin, Linux, Windows) and download it.

Mac OS X 64 bit	Windows 64 bit	Linux 64 bit
mta-plugin-darwin	mta-plugin-windows.exe	mta-plugin-linux

Installation

Install the plugin, using the following command:

cf install-plugin <path-to-the-downloaded-plugin> -f

🚨 Note: if you are running on an Unix-based system, you need to make the plugin executable before installing it. In order to achieve this, execute the following commad chmod +x <path-to-the-downloaded-plugin>

🚨 Check whether you have a previous version installed, using the command: cf plugins. If the MtaPlugin is already installed, you need to uninstall it first and then to install the new version. You can uninstall the plugin using command cf uninstall-plugin MtaPlugin.

Usage

The CF MTA plugin supports the following commands:

Command Name	Command Description
deploy	Deploy a new multi-target app or sync changes to an existing one
undeploy	Undeploy (remove) a multi-target app
mtas	List all multi-target apps
mta	Display health and status for a multi-target app
mta-ops	List active multi-target app operations
download-mta-op-logs / dmol	Download logs of multi-target app operation
bg-deploy	Deploy a multi-target app using blue-green deployment
purge-mta-config	Purge stale configuration entries

For more information, see the command help output available via cf [command] --help or cf help [command].

Here is an example deployment of the open-sourced com.sap.openSAP.hana5.example:

$ git clone https://github.com/SAP/hana-shine-xsa.git
// build it TODO: verify that or provide another sample
$ cf deploy assembly/target/hana-shine-xsa.mtar

Configuration

The configuration of the CF MTA plugin is done via env variables. The following are supported: DEBUG=1 - prints in standart output HTTP requests, which are from CLI client to CF deploy service backend. DEPLOY_SERVICE_URL=<deploy-service-app-url> - thehe plugin attempts to deduce the deploy service URL based on the CF API URL. In case of issues, or if you want to target a deploy service instance different from the default one, you can configure the targeted deploy service URL via this env variable.

How to obtain support

If you need any support, have any question or have found a bug, please report it in the [GitHub bug tracking system](TODO: point to the github.com repostory issues). We shall get back to you.

Development

Building new release version

You can automatically build new release for all supported platforms by calling the build.sh script with the version of the build. The version will be automatically included in the plugin, so it will be reported by cf plugins.

🚨 Note that the version parameter should follow the semver format (e.g. 1.2.3).

./build.sh 1.2.3

This will produce mta_plugin_linux_amd64, mta_plugin_darwin_amd64 and mta_plugin_windows_amd64 in the repo's root directory.

Adding dependency into the cf-mta-plugin

If you want to add a dependecy which to be used later on during the build and development process, you need to follow these steps:

1. Make sure that you have godep installed(try to run godep version). If you do not have it, run the command: go get github.com/tools/godep. !!!IMPORTANT!!! Make sure that you are running on latest version of GO and godep!!!
2. Get the dependency by executing the command: go get github.com/<package-full-name> . If you want to update it use the -u option.
3. Use the dependecy into your code(just import and use)
4. Make sure that the dependency is not in the Godeps/Godeps.json file(if it is, delete the entry related to it). Godeps.json file is holding information about all the dependencies which are used in the project.
5. Run godep save ./... - this will add all the newly used dependecies into the Godeps/Godeps.json and into the vendor/ folder.

For more information about the godep tool, please refer to: godep

Further reading

Presentations, documents, and tutorials:

• Managing Distributed Cloud Native Applications Made Easy (CF Summit EU 2017 slides)
• Managing Distributed Cloud Native Applications Made Easy (CF Summit EU 2017 video)

License

This project is licensed under the Apache Software License, v. 2 except as noted otherwise in the LICENSE file.