cf-cli

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Published: Apr 23, 2014 License: Apache-2.0

README

Cloud Foundry CLI Build Status

This is the official command line client for Cloud Foundry.

Getting Started

Download and run the installer for your platform from the section below. If you are on OS X, you can also install the CLI with homebrew--run brew install cloudfoundry-cli.

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.

Stable Release

Installers

Edge Releases (master)

Edge binaries are published to our Amazon S3 bucket with each new commit that passes CI. These binaries are not intended for wider use; they're for developers to test new features and fixes as they are completed:

You can follow our development progress on Pivotal Tracker.

Troubleshooting / FAQs

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
  • 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

Cloning the repository

  1. Install Go
  2. Clone (Forking beforehand for development).
  3. Run git submodule update --init --recursive

Building

  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.

Contributing

Architecture overview

The app (in src/cf/app/app.go) declares the list of available commands, which are composed of a Name, Description, Usage and any optional Flags. The action for each command is to instantiate a command object, which is invoked by the runner (in src/cf/commands/runner.go).

A command has Requirements, and a Run function. Requirements are used as filters before running the command. If any of them fails, the command will not run (see src/cf/requirements for examples of requirements).

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

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

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

Models are data structures related to Cloud Foundry (see src/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 src/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 src/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 src/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 src/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
src
cf
code.google.com/p/go.crypto/bcrypt
Package bcrypt implements Provos and Mazières's bcrypt adaptive hashing algorithm.
Package bcrypt implements Provos and Mazières's bcrypt adaptive hashing algorithm.
code.google.com/p/go.crypto/blowfish
Package blowfish implements Bruce Schneier's Blowfish encryption algorithm.
Package blowfish implements Bruce Schneier's Blowfish encryption algorithm.
code.google.com/p/go.crypto/bn256
Package bn256 implements a particular bilinear group at the 128-bit security level.
Package bn256 implements a particular bilinear group at the 128-bit security level.
code.google.com/p/go.crypto/cast5
Package cast5 implements CAST5, as defined in RFC 2144.
Package cast5 implements CAST5, as defined in RFC 2144.
code.google.com/p/go.crypto/curve25519
Package curve25519 provides an implementation of scalar multiplication on the elliptic curve known as curve25519.
Package curve25519 provides an implementation of scalar multiplication on the elliptic curve known as curve25519.
code.google.com/p/go.crypto/hkdf
Package hkdf implements the HMAC-based Extract-and-Expand Key Derivation Function (HKDF) as defined in RFC 5869.
Package hkdf implements the HMAC-based Extract-and-Expand Key Derivation Function (HKDF) as defined in RFC 5869.
code.google.com/p/go.crypto/md4
Package md4 implements the MD4 hash algorithm as defined in RFC 1320.
Package md4 implements the MD4 hash algorithm as defined in RFC 1320.
code.google.com/p/go.crypto/nacl/box
Package box authenticates and encrypts messages using public-key cryptography.
Package box authenticates and encrypts messages using public-key cryptography.
code.google.com/p/go.crypto/nacl/secretbox
Package secretbox encrypts and authenticates small messages.
Package secretbox encrypts and authenticates small messages.
code.google.com/p/go.crypto/ocsp
Package ocsp parses OCSP responses as specified in RFC 2560.
Package ocsp parses OCSP responses as specified in RFC 2560.
code.google.com/p/go.crypto/openpgp
Package openpgp implements high level operations on OpenPGP messages.
Package openpgp implements high level operations on OpenPGP messages.
code.google.com/p/go.crypto/openpgp/armor
Package armor implements OpenPGP ASCII Armor, see RFC 4880.
Package armor implements OpenPGP ASCII Armor, see RFC 4880.
code.google.com/p/go.crypto/openpgp/clearsign
Package clearsign generates and processes OpenPGP, clear-signed data.
Package clearsign generates and processes OpenPGP, clear-signed data.
code.google.com/p/go.crypto/openpgp/elgamal
Package elgamal implements ElGamal encryption, suitable for OpenPGP, as specified in "A Public-Key Cryptosystem and a Signature Scheme Based on Discrete Logarithms," IEEE Transactions on Information Theory, v.
Package elgamal implements ElGamal encryption, suitable for OpenPGP, as specified in "A Public-Key Cryptosystem and a Signature Scheme Based on Discrete Logarithms," IEEE Transactions on Information Theory, v.
code.google.com/p/go.crypto/openpgp/errors
Package errors contains common error types for the OpenPGP packages.
Package errors contains common error types for the OpenPGP packages.
code.google.com/p/go.crypto/openpgp/packet
Package packet implements parsing and serialization of OpenPGP packets, as specified in RFC 4880.
Package packet implements parsing and serialization of OpenPGP packets, as specified in RFC 4880.
code.google.com/p/go.crypto/openpgp/s2k
Package s2k implements the various OpenPGP string-to-key transforms as specified in RFC 4800 section 3.7.1.
Package s2k implements the various OpenPGP string-to-key transforms as specified in RFC 4800 section 3.7.1.
code.google.com/p/go.crypto/otr
Package otr implements the Off The Record protocol as specified in http://www.cypherpunks.ca/otr/Protocol-v2-3.1.0.html
Package otr implements the Off The Record protocol as specified in http://www.cypherpunks.ca/otr/Protocol-v2-3.1.0.html
code.google.com/p/go.crypto/pbkdf2
Package pbkdf2 implements the key derivation function PBKDF2 as defined in RFC 2898 / PKCS #5 v2.0.
Package pbkdf2 implements the key derivation function PBKDF2 as defined in RFC 2898 / PKCS #5 v2.0.
code.google.com/p/go.crypto/poly1305
Package poly1305 implements Poly1305 one-time message authentication code as specified in http://cr.yp.to/mac/poly1305-20050329.pdf.
Package poly1305 implements Poly1305 one-time message authentication code as specified in http://cr.yp.to/mac/poly1305-20050329.pdf.
code.google.com/p/go.crypto/ripemd160
Package ripemd160 implements the RIPEMD-160 hash algorithm.
Package ripemd160 implements the RIPEMD-160 hash algorithm.
code.google.com/p/go.crypto/salsa20
Package salsa20 implements the Salsa20 stream cipher as specified in http://cr.yp.to/snuffle/spec.pdf.
Package salsa20 implements the Salsa20 stream cipher as specified in http://cr.yp.to/snuffle/spec.pdf.
code.google.com/p/go.crypto/salsa20/salsa
Package salsa provides low-level access to functions in the Salsa family.
Package salsa provides low-level access to functions in the Salsa family.
code.google.com/p/go.crypto/scrypt
Package scrypt implements the scrypt key derivation function as defined in Colin Percival's paper "Stronger Key Derivation via Sequential Memory-Hard Functions" (http://www.tarsnap.com/scrypt/scrypt.pdf).
Package scrypt implements the scrypt key derivation function as defined in Colin Percival's paper "Stronger Key Derivation via Sequential Memory-Hard Functions" (http://www.tarsnap.com/scrypt/scrypt.pdf).
code.google.com/p/go.crypto/sha3
Package sha3 implements the SHA3 hash algorithm (formerly called Keccak) chosen by NIST in 2012.
Package sha3 implements the SHA3 hash algorithm (formerly called Keccak) chosen by NIST in 2012.
code.google.com/p/go.crypto/ssh
Package ssh implements an SSH client and server.
Package ssh implements an SSH client and server.
code.google.com/p/go.crypto/ssh/agent
Package agent implements a client to an ssh-agent daemon.
Package agent implements a client to an ssh-agent daemon.
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.
code.google.com/p/go.crypto/ssh/test
This package contains integration tests for the code.google.com/p/go.crypto/ssh package.
This package contains integration tests for the code.google.com/p/go.crypto/ssh package.
code.google.com/p/go.crypto/twofish
Package twofish implements Bruce Schneier's Twofish encryption algorithm.
Package twofish implements Bruce Schneier's Twofish encryption algorithm.
code.google.com/p/go.crypto/xtea
Package xtea implements XTEA encryption, as defined in Needham and Wheeler's 1997 technical report, "Tea extensions."
Package xtea implements XTEA encryption, as defined in Needham and Wheeler's 1997 technical report, "Tea extensions."
code.google.com/p/go.crypto/xts
Package xts implements the XTS cipher mode as specified in IEEE P1619/D16.
Package xts implements the XTS cipher mode as specified in IEEE P1619/D16.
code.google.com/p/go.net/dict
Package dict implements the Dictionary Server Protocol as defined in RFC 2229.
Package dict implements the Dictionary Server Protocol as defined in RFC 2229.
code.google.com/p/go.net/html
Package html implements an HTML5-compliant tokenizer and parser.
Package html implements an HTML5-compliant tokenizer and parser.
code.google.com/p/go.net/html/atom
Package atom provides integer codes (also known as atoms) for a fixed set of frequently occurring HTML strings: tag names and attribute keys such as "p" and "id".
Package atom provides integer codes (also known as atoms) for a fixed set of frequently occurring HTML strings: tag names and attribute keys such as "p" and "id".
code.google.com/p/go.net/html/charset
Package charset provides common text encodings for HTML documents.
Package charset provides common text encodings for HTML documents.
code.google.com/p/go.net/idna
Package idna implements IDNA2008 (Internationalized Domain Names for Applications), defined in RFC 5890, RFC 5891, RFC 5892, RFC 5893 and RFC 5894.
Package idna implements IDNA2008 (Internationalized Domain Names for Applications), defined in RFC 5890, RFC 5891, RFC 5892, RFC 5893 and RFC 5894.
code.google.com/p/go.net/ipv4
Package ipv4 implements IP-level socket options for the Internet Protocol version 4.
Package ipv4 implements IP-level socket options for the Internet Protocol version 4.
code.google.com/p/go.net/ipv6
Package ipv6 implements IP-level socket options for the Internet Protocol version 6.
Package ipv6 implements IP-level socket options for the Internet Protocol version 6.
code.google.com/p/go.net/netutil
Package netutil provides network utility functions, complementing the more common ones in the net package.
Package netutil provides network utility functions, complementing the more common ones in the net package.
code.google.com/p/go.net/proxy
Package proxy provides support for a variety of protocols to proxy network data.
Package proxy provides support for a variety of protocols to proxy network data.
code.google.com/p/go.net/publicsuffix
Package publicsuffix provides a public suffix list based on data from http://publicsuffix.org/.
Package publicsuffix provides a public suffix list based on data from http://publicsuffix.org/.
code.google.com/p/go.net/spdy
Package spdy implements the SPDY protocol (currently SPDY/3), described in http://www.chromium.org/spdy/spdy-protocol/spdy-protocol-draft3.
Package spdy implements the SPDY protocol (currently SPDY/3), described in http://www.chromium.org/spdy/spdy-protocol/spdy-protocol-draft3.
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.

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