cli

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Published: Jan 20, 2015 License: Apache-2.0

README

Cloud Foundry CLI Build Status

This is the official command line client for Cloud Foundry.

You can follow our development progress on Pivotal Tracker.

Getting Started

Download and run the installer for your platform from the Downloads Section.

Once installed, you can log in and push an app.

$ cd [my-app-directory]
$ cf api api.[my-cloudfoundry].com
Setting api endpoint to https://api.[my-cloudfoundry].com...
OK

$ cf login
API endpoint: https://api.[my-cloudfoundry].com

Email> [my-email]

Password> [my-password]
Authenticating...
OK

$ cf push

#Further Reading and Getting Help You can find further documentation at the docs page for the CLI here. There is also help available in the CLI itself; type cf help for more information. Each command also has help output available via cf [command] --help or cf [command] -h. Finally, if you are still stuck, feel free to open a GitHub issue.

Downloads

WARNING: Edge binaries are published with each new 'push' that passes though CI. These binaries are not intended for wider use; they're for developers to test new features and fixes as they are completed.

Stable Installers Stable Binaries Edge Binaries
Mac OS X 64 bit Mac OS X 64 bit Mac OS X 64 bit
Windows 32 bit Windows 32 bit Windows 32 bit
Windows 64 bit Windows 64 bit Windows 64 bit
Redhat 32 bit Linux 32 bit Linux 32 bit
Redhat 64 bit Linux 64 bit Linux 64 bit
Debian 32 bit
Debian 64 bit

Experimental: Install CF for OSX through Homebrew via the pivotal's homebrew-tap:

$ brew tap pivotal/tap
$ brew install cloudfoundry-cli

Releases: Information about our releases can be found here

Troubleshooting / FAQs

Known Issues

  • .cfignore used in cf push must be in UTF8 encoding for CLI to interpret correctly.

Linux

Filing Bugs

For simple bugs (eg: text formatting, help messages, etc), please provide
  • the command you ran
  • what occurred
  • what you expected to occur
For bugs related to HTTP requests or strange behavior, please run the command with env var CF_TRACE=true and provide
  • the command you ran
  • the trace output
  • a high-level description of the bug
For panics and other crashes, please provide
  • the command you ran
  • the stack trace generated (if any)
  • any other relevant information

Forking the repository for development

  1. Install Go
  2. Ensure your $GOPATH is set correctly
  3. Install godep
  4. Get the cli source code: go get github.com/cloudfoundry/cli
  • (Ignore any warnings about "no buildable Go source files")
  1. Run godep restore (note: this will modify the dependencies in your $GOPATH)
  2. Fork the repository
  3. Add your fork as a remote: cd $GOPATH/src/github.com/cloudfoundry/cli && git remote add your_name https://github.com/your_name/cli

Building

To prepare your build environment, run go get github.com/jteeuwen/go-bindata/...

  1. Run ./bin/build
  2. The binary will be built into the ./out directory.

Optionally, you can use bin/run to compile and run the executable in one step.

Developing

  1. Install Mercurial
  2. Run go get code.google.com/p/go.tools/cmd/vet
  3. Write a Ginkgo test.
  4. Run bin/test and watch the test fail.
  5. Make the test pass.
  6. Submit a pull request to the master branch.

* For development guide on writing a cli plugin, see here

Contributing

Major new feature proposals are given as a publically viewable google document with commenting allowed and discussed on the vcap-dev mailing list.

Pull Requests

Pull Requests should be made against the master branch.

Architecture overview

A command is a struct that implements this interface:

type Command interface {
	Metadata() command_metadata.CommandMetadata
	GetRequirements(requirementsFactory requirements.Factory, c *cli.Context) (reqs []requirements.Requirement, err error)
	Run(c *cli.Context)
}

Metadata() is just a description of the command name, usage and flags:

type CommandMetadata struct {
	Name            string
	ShortName       string
	Usage           string
	Description     string
	Flags           []cli.Flag
	SkipFlagParsing bool
}

GetRequirements() returns a list of requirements that need to be met before a command can be invoked.

Run() is the method that your command implements to do whatever it's supposed to do. The context object provides flags and arguments.

When the command is run, it communicates with api using repositories (they are in cf/api).

Dependencies are injected into each command, so tests can inject a fake. This means that dependencies are typically declared as an interface type, and not a concrete type. (see cf/commands/factory.go)

Some dependencies are managed by a repository locator in cf/api/repository_locator.go.

Repositories communicate with the api endpoints through a Gateway (see cf/net).

Models are data structures related to Cloud Foundry (see cf/models). For example, some models are apps, buildpacks, domains, etc.

Managing dependencies

Command dependencies are managed by the commands factory. The app uses the command factory (in cf/commands/factory.go) to instantiate them, this allows not sharing the knowledge of their dependencies with the app itself.

As for repositories, we use the repository locator to handle their dependencies. You can find it in cf/api/repository_locator.go.

Example command

Create Space is a good example of a command. Its tests include checking arguments, requiring the user to be logged in, and the actual behavior of the command itself. You can find it in cf/commands/space/create_space.go.

Current conventions

Creating Commands

Resources that include several commands have been broken out into their own sub-package using the Resource name. An example of this convention is the Space resource and package (see cf/commands/space)

In addition, command file and methods naming follows a CRUD like convention. For example, the Space resource includes commands such a CreateSpace, ListSpaces, DeleteSpace, etc.

Creating Repositories

Although not ideal, we use the name "Repository" for API related operations as opposed to "Service". Repository was chosen to avoid confusion with Service model objects (i.e. creating Services and Service Instances within Cloud Foundry).

By convention, Repository methods return a model object and an error. Models are used in both Commands and Repositories to model Cloud Foundry data. This convention provides a consistent method signature across repositories.

Directories

Path Synopsis
Godeps
_workspace/src/code.google.com/p/go.crypto/ssh/terminal
Package terminal provides support functions for dealing with terminals, as commonly found on UNIX systems.
Package terminal provides support functions for dealing with terminals, as commonly found on UNIX systems.
_workspace/src/code.google.com/p/go.net/websocket
Package websocket implements a client and server for the WebSocket protocol as specified in RFC 6455.
Package websocket implements a client and server for the WebSocket protocol as specified in RFC 6455.
_workspace/src/code.google.com/p/gogoprotobuf/proto
Package proto converts data structures to and from the wire format of protocol buffers.
Package proto converts data structures to and from the wire format of protocol buffers.
_workspace/src/github.com/cloudfoundry/loggregator_consumer
Package loggregator_consumer provides a simple, channel-based API for clients to communicate with loggregator servers.
Package loggregator_consumer provides a simple, channel-based API for clients to communicate with loggregator servers.
_workspace/src/github.com/codegangsta/cli
Package cli provides a minimal framework for creating and organizing command line Go applications.
Package cli provides a minimal framework for creating and organizing command line Go applications.
_workspace/src/github.com/gorilla/websocket
Package websocket implements the WebSocket protocol defined in RFC 6455.
Package websocket implements the WebSocket protocol defined in RFC 6455.
_workspace/src/github.com/gorilla/websocket/examples/autobahn
Command server is a test server for the Autobahn WebSockets Test Suite.
Command server is a test server for the Autobahn WebSockets Test Suite.
_workspace/src/github.com/nicksnyder/go-i18n/i18n
Package i18n supports string translations with variable substitution and CLDR pluralization.
Package i18n supports string translations with variable substitution and CLDR pluralization.
_workspace/src/github.com/nicksnyder/go-i18n/i18n/bundle
Package bundle manages translations for multiple languages.
Package bundle manages translations for multiple languages.
_workspace/src/github.com/nicksnyder/go-i18n/i18n/language
Package language defines languages that implement CLDR pluralization.
Package language defines languages that implement CLDR pluralization.
_workspace/src/github.com/nicksnyder/go-i18n/i18n/translation
Package translation defines the interface for a translation.
Package translation defines the interface for a translation.
_workspace/src/github.com/onsi/ginkgo
Ginkgo is a BDD-style testing framework for Golang The godoc documentation describes Ginkgo's API.
Ginkgo is a BDD-style testing framework for Golang The godoc documentation describes Ginkgo's API.
_workspace/src/github.com/onsi/ginkgo/config
Ginkgo accepts a number of configuration options.
Ginkgo accepts a number of configuration options.
_workspace/src/github.com/onsi/ginkgo/ginkgo
The Ginkgo CLI The Ginkgo CLI is fully documented [here](http://onsi.github.io/ginkgo/#the_ginkgo_cli) You can also learn more by running: ginkgo help Here are some of the more commonly used commands: To install: go install github.com/onsi/ginkgo/ginkgo To run tests: ginkgo To run tests in all subdirectories: ginkgo -r To run tests in particular packages: ginkgo <flags> /path/to/package /path/to/another/package To pass arguments/flags to your tests: ginkgo <flags> <packages> -- <pass-throughs> To run tests in parallel ginkgo -p this will automatically detect the optimal number of nodes to use.
The Ginkgo CLI The Ginkgo CLI is fully documented [here](http://onsi.github.io/ginkgo/#the_ginkgo_cli) You can also learn more by running: ginkgo help Here are some of the more commonly used commands: To install: go install github.com/onsi/ginkgo/ginkgo To run tests: ginkgo To run tests in all subdirectories: ginkgo -r To run tests in particular packages: ginkgo <flags> /path/to/package /path/to/another/package To pass arguments/flags to your tests: ginkgo <flags> <packages> -- <pass-throughs> To run tests in parallel ginkgo -p this will automatically detect the optimal number of nodes to use.
_workspace/src/github.com/onsi/ginkgo/reporters
Ginkgo's Default Reporter A number of command line flags are available to tweak Ginkgo's default output.
Ginkgo's Default Reporter A number of command line flags are available to tweak Ginkgo's default output.
_workspace/src/github.com/onsi/gomega
Gomega is the Ginkgo BDD-style testing framework's preferred matcher library.
Gomega is the Ginkgo BDD-style testing framework's preferred matcher library.
_workspace/src/github.com/onsi/gomega/format
Gomega's format package pretty-prints objects.
Gomega's format package pretty-prints objects.
_workspace/src/github.com/onsi/gomega/gbytes
Package gbytes provides a buffer that supports incrementally detecting input.
Package gbytes provides a buffer that supports incrementally detecting input.
_workspace/src/github.com/onsi/gomega/gexec
Package gexec provides support for testing external processes.
Package gexec provides support for testing external processes.
_workspace/src/github.com/onsi/gomega/ghttp
Package ghttp supports testing HTTP clients by providing a test server (simply a thin wrapper around httptest's server) that supports registering multiple handlers.
Package ghttp supports testing HTTP clients by providing a test server (simply a thin wrapper around httptest's server) that supports registering multiple handlers.
_workspace/src/github.com/onsi/gomega/matchers
Gomega matchers This package implements the Gomega matchers and does not typically need to be imported.
Gomega matchers This package implements the Gomega matchers and does not typically need to be imported.
cf
actors/broker_builder/fakes
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actors/fakes
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actors/plan_builder/fakes
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actors/service_builder/fakes
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api
api/app_events/fakes
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api/app_files/fakes
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api/app_instances/fakes
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api/application_bits/fakes
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api/copy_application_source/fakes
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api/environment_variable_groups/fakes
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api/fakes
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api/feature_flags/fakes
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api/organizations/fakes
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api/quotas/fakes
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api/security_groups/defaults/running/fakes
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api/security_groups/defaults/staging/fakes
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api/security_groups/fakes
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api/security_groups/spaces/fakes
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api/space_quotas/fakes
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api/stacks/fakes
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app
app_files/fakes
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command/fakes
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configuration/fakes
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configuration/plugin_config/fakes
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i18n/detection/fakes
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manifest/fakes
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net
net/fakes
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terminal/fakes
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fixtures
fakes
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rpc
* * This is an example plugin where we use both arguments and flags.
* * This is an example plugin where we use both arguments and flags.
call_cli_cmd/main
* * This plugin is an example plugin that allows a user to call a cli-command * by typing `cf cli-command name-of-command args.....`.
* * This plugin is an example plugin that allows a user to call a cli-command * by typing `cf cli-command name-of-command args.....`.
testhelpers
commands
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io
net
generator/fakes
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