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knife-environment - Online in the Cloud

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This is the command knife-environment that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

PROGRAM:

NAME


knife-environment - The man page for the knife environment subcommand.

An environment is a way to map an organization's real-life workflow to what can be
configured and managed when using Chef server. Every organization begins with a single
environment called the _default environment, which cannot be modified (or deleted).
Additional environments can be created to reflect each organization's patterns and
workflow. For example, creating production, staging, testing, and development
environments. Generally, an environment is also associated with one (or more) cookbook
versions.

The knife environment subcommand is used to manage environments within a single
organization on the Chef server.

COMMON OPTIONS


The following options may be used with any of the arguments available to the knife
environment subcommand:

--chef-zero-port PORT
The port on which chef-zero will listen.

-c CONFIG_FILE, --config CONFIG_FILE
The configuration file to use.

-d, --disable-editing
Use to prevent the $EDITOR from being opened and to accept data as-is.

--defaults
Use to have knife use the default value instead of asking a user to provide one.

-e EDITOR, --editor EDITOR
The $EDITOR that is used for all interactive commands.

-E ENVIRONMENT, --environment ENVIRONMENT
The name of the environment. When this option is added to a command, the command
will run only against the named environment.

-F FORMAT, --format FORMAT
The output format: summary (default), text, json, yaml, and pp.

-h, --help
Shows help for the command.

-k KEY, --key KEY
The private key that knife will use to sign requests made by the API client to the
Chef server.

--[no-]color
Use to view colored output.

--print-after
Use to show data after a destructive operation.

-s URL, --server-url URL
The URL for the Chef server.

-u USER, --user USER
The user name used by knife to sign requests made by the API client to the Chef
server. Authentication will fail if the user name does not match the private key.

-V, --verbose
Set for more verbose outputs. Use -VV for maximum verbosity.

-v, --version
The version of the chef-client.

-y, --yes
Use to respond to all confirmation prompts with "Yes". knife will not ask for
confirmation.

-z, --local-mode
Use to run the chef-client in local mode. This allows all commands that work
against the Chef server to also work against the local chef-repo.

COMPARE


The compare argument is used to compare the cookbook version constraints that are set on
one (or more) environments.

Syntax

This argument has the following syntax:

$ knife environment compare [ENVIRONMENT_NAME...] (options)

Options

This argument has the following options:

-a, --all
Use to upload all environments found at the specified path.

-m, --mismatch
Use to show only matching versions.

Example

To compare cookbook versions for a single environment:

$ knife environment compare development

to return something similar to:

development
apache 2.3.1
windows 4.1.2

To compare cookbook versions for multiple environments:

$ knife environment compare development staging

to return something similar to:

development staging
apache 2.3.1 1.2.2
windows 4.1.2 1.0.0
postgresql 1.0.0 1.0.0

To compare all cookbook versions for all environments:

$ knife environment compare --all

to return something similar to:

staging development
ulimit latest latest
redisio latest latest
journly latest latest
aws latest latest
test latest latest
unicorn latest latest
sensu latest latest
runit latest latest
templater latest latest
powershell latest latest
openssl latest latest
rbenv latest latest
rabbitmq latest latest
postgresql latest latest
mysql latest latest
ohai latest latest
git latest latest
erlang latest latest
ssh_known_hosts latest latest
nginx latest latest
database latest latest
yum latest latest
xfs latest latest
apt latest latest
dmg latest latest
chef_handler latest latest
windows 1.0.0 4.1.2

CREATE


The create argument is used to add an environment object to the Chef server. When this
argument is run, knife will open $EDITOR to enable editing of the ENVIRONMENT description
field (unless a description is specified as part of the command). When finished, knife
will add the environment to the Chef server.

Syntax

This argument has the following syntax:

$ knife environment create ENVIRONMENT_NAME -d DESCRIPTION

Options

This argument has the following options:

-d DESCRIPTION, --description DESCRIPTION
The description of the environment. This value will populate the description field
for the environment on the Chef server.

Examples

To create an environment named dev with a description of The development environment.:

$ knife environment create dev -d "The development environment."

DELETE


The delete argument is used to delete an environment from a Chef server.

Syntax

This argument has the following syntax:

$ knife environment delete ENVIRONMENT_NAME

Options

This command does not have any specific options.

Examples

To delete an environment named dev, enter:

$ knife environment delete dev

Type Y to confirm a deletion.

EDIT


The edit argument is used to edit the attributes of an environment. When this argument is
run, knife will open $EDITOR to enable editing of ENVIRONMENT attributes. When finished,
knife will update the Chef server with those changes.

Syntax

This argument has the following syntax:

$ knife environment edit ENVIRONMENT_NAME

Options

This command does not have any specific options.

Examples

To edit an environment named devops, enter:

$ knife environment edit devops

FROM FILE


The from file argument is used to add or update an environment using a JSON or Ruby DSL
description. It must be run with the create or edit arguments.

Syntax

This argument has the following syntax:

$ knife environment [create | edit] from file FILE (options)

Options

This argument has the following options:

-a, --all
Use to upload all environments found at the specified path.

Examples

To add an environment using data contained in a JSON file:

$ knife environment create devops from file "path to JSON file"

or:

$ knife environment edit devops from file "path to JSON file"

LIST


The list argument is used to list all of the environments that are currently available on
the Chef server.

Syntax

This argument has the following syntax:

$ knife environment list -w

Options

This argument has the following options:

-w, --with-uri
Use to show the corresponding URIs.

Examples

To view a list of environments:

$ knife environment list -w

SHOW


The show argument is used to display information about the specified environment.

Syntax

This argument has the following syntax:

$ knife environment show ENVIRONMENT_NAME

Options

This command does not have any specific options.

Examples

To view information about the dev environment enter:

$ knife environment show dev

to return:

% knife environment show dev
chef_type: environment
cookbook_versions:
default_attributes:
description:
json_class: Chef::Environment
name: dev
override_attributes:

\\
\\
\\
\\

To view information in JSON format, use the -F common option as part of the command like
this:

$ knife role show devops -F json

Other formats available include text, yaml, and pp.

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