.TH "KNIFE-DATA-BAG" "1" "Chef 11.8.0" "" "knife data bag"
.SH NAME
knife-data-bag \- The man page for the knife data bag subcommand.
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.sp
A data bag is a global variable that is stored as JSON data and is accessible from a server. A data bag is indexed for searching and can be loaded by a recipe or accessed during a search. The contents of a data bag can vary, but they often include sensitive information (such as database passwords).
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The contents of a data bag can be encrypted using \fI\%shared secret encryption\fP. This allows a data bag to store confidential information (such as a database password) or to be managed in a source control system (without plain\-text data appearing in revision history).
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The \fBknife data bag\fP subcommand is used to manage arbitrary stores of globally available JSON data.
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This subcommand has the following syntax:
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.nf
.ft C
$ knife data bag [ARGUMENT] (options)
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.fi
.SH COMMON OPTIONS
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The following options can be run with all Knife sub\-commands and plug\-ins:
.INDENT 0.0
.TP
.B \fB\-c CONFIG\fP, \fB\-\-config CONFIG\fP
The configuration file to use.
.TP
.B \fB\-\-color\fP
Indicates that colored output will be used.
.TP
.B \fB\-d\fP, \fB\-\-disable\-editing\fP
Indicates that $EDITOR will not be opened; data will be accepted as\-is.
.TP
.B \fB\-\-defaults\fP
Indicates that Knife will use the default value, instead of asking a user to provide one.
.TP
.B \fB\-e EDITOR\fP, \fB\-\-editor EDITOR\fP
The $EDITOR that is used for all interactive commands.
.TP
.B \fB\-E ENVIRONMENT\fP, \fB\-\-environment ENVIRONMENT\fP
The name of the environment. When this option is added to a command, the command will run only against the named environment.
.TP
.B \fB\-f FILE_NAME\fP, \fB\-\-file FILE_NAME\fP
Indicates that the private key will be saved to a specified file name.
.TP
.B \fB\-F FORMAT\fP, \fB\-\-format FORMAT\fP
The output format: \fBsummary\fP (default), \fBtext\fP, \fBjson\fP, \fByaml\fP, and \fBpp\fP.
.TP
.B \fB\-h\fP, \fB\-\-help\fP
Shows help for the command.
.TP
.B \fB\-k KEY\fP, \fB\-\-key KEY\fP
The private key that Knife will use to sign requests made by the API client to the server.
.TP
.B \fB\-\-no\-color\fP
Indicates that color will not be used in the output.
.TP
.B \fB\-p PASSWORD\fP, \fB\-\-password PASSWORD\fP
The user password.
.TP
.B \fB\-\-print\-after\fP
Indicates that data will be shown after a destructive operation.
.TP
.B \fB\-s URL\fP, \fB\-\-server\-url URL\fP
The URL for the server.
.TP
.B \fB\-u USER\fP, \fB\-\-user USER\fP
The user name used by Knife to sign requests made by the API client to the server. Authentication will fail if the user name does not match the private key.
.TP
.B \fB\-v\fP, \fB\-\-version\fP
The version of the chef\-client.
.TP
.B \fB\-V\fP, \fB\-\-verbose\fP
Set for more verbose outputs. Use \fB\-VV\fP for maximum verbosity.
.TP
.B \fB\-y\fP, \fB\-\-yes\fP
Indicates that the response to all confirmation prompts will be "Yes" (and that Knife will not ask for confirmation).
.UNINDENT
.SH CREATE
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The \fBcreate\fP argument is used to add a data bag to the server.
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\fBSyntax\fP
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This argument has the following syntax:
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$ knife data bag create DATA_BAG_NAME [DATA_BAG_ITEM] (options)
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.fi
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\fBOptions\fP
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This argument has the following options:
.INDENT 0.0
.TP
.B \fBDATA_BAG_ITEM\fP
The name of a specific item within a data bag.
.TP
.B \fB\-\-secret SECRET\fP
The encryption key that is used for values contained within a data bag.
.TP
.B \fB\-\-secret\-file FILE\fP
The path to the file that contains the encryption key.
.UNINDENT
.IP Note
For encrypted data bag items, use \fIeither\fP \fB\-\-secret\fP or \fB\-\-secret\-file\fP, not both.
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\fBExamples\fP
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To create a data bag named "admins", enter:
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$ knife data bag create admins
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.fi
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to return:
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Created data_bag[admins]
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.fi
.SH DELETE
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The \fBdelete\fP argument is used to delete a data bag or a data bag item from a server.
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\fBSyntax\fP
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This argument has the following syntax:
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$ knife data bag delete DATA_BAG_NAME [DATA_BAG_ITEM] (options)
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.fi
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\fBOptions\fP
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This argument has the following options:
.INDENT 0.0
.TP
.B \fBDATA_BAG_ITEM\fP
The name of a specific item within a data bag.
.UNINDENT
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\fBExamples\fP
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To a data bag named "admins", enter:
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$ knife data bag delete admins
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.fi
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To delete an item named "charlie", enter:
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$ knife data bag delete admins charlie
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.fi
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Type \fBY\fP to confirm a deletion.
.SH EDIT
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The \fBedit\fP argument is used to edit the data contained in a data bag. If encryption is being used, the data bag will be decrypted, the data will be made available in the $EDITOR, and then encrypted again before saving it to the server.
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\fBSyntax\fP
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This argument has the following syntax:
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$ knife data bag edit DATA_BAG_NAME [DATA_BAG_ITEM] (options)
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.fi
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\fBOptions\fP
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This argument has the following options:
.INDENT 0.0
.TP
.B \fBDATA_BAG_ITEM\fP
The name of a specific item within a data bag.
.TP
.B \fB\-\-secret SECRET\fP
The encryption key that is used for values contained within a data bag.
.TP
.B \fB\-\-secret\-file FILE\fP
The path to the file that contains the encryption key.
.UNINDENT
.IP Note
For encrypted data bag items, use \fIeither\fP \fB\-\-secret\fP or \fB\-\-secret\-file\fP, not both.
.RE
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\fBExamples\fP
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To edit the contents of a data bag, enter:
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$ knife data bag edit admins
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.fi
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To edit an item named "charlie" that is contained in a data bag named "admins", enter:
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$ knife data bag edit admins charlie
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.fi
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to open the $EDITOR. Once opened, you can update the data before saving it to the server. For example, by changing:
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{
   "id": "charlie"
}
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.fi
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to:
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{
   "id": "charlie",
   "uid": 1005,
   "gid":"ops",
   "shell":"/bin/zsh",
   "comment":"Crazy Charlie"
}
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.fi
.SH FROM FILE
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The \fBfrom file\fP argument is used to create a data bag on the server from a file. The path to the data bag file must specify one of the following:
.INDENT 0.0
.IP \(bu 2
the name of a data bag
.IP \(bu 2
a relative or absolute path to a file
.UNINDENT
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If the name of a data bag is specified, Knife will search for the data bag in \fB./data_bags/bag_name/file\fP. Once opened, the JSON file should be a hash that contains at least an ID key which represents the name of the data bag item.
.IP Warning
A chef\-client must be version 11.6 (or higher) when using the \fBknife data bag from file\fP argument with the Enterprise Chef or Open Source Chef version 11 servers.
.RE
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\fBSyntax\fP
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This argument has the following syntax:
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$ knife data bag from file DATA_BAG_NAME_or_PATH
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.fi
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\fBOptions\fP
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This argument has the following options:
.INDENT 0.0
.TP
.B \fB\-a\fP, \fB\-\-all\fP
Indicates that all data bags found at the specified path will be uploaded.
.TP
.B \fB\-\-secret SECRET\fP
The encryption key that is used for values contained within a data bag.
.TP
.B \fB\-\-secret\-file FILE\fP
The path to the file that contains the encryption key.
.UNINDENT
.IP Note
For encrypted data bag items, use \fIeither\fP \fB\-\-secret\fP or \fB\-\-secret\-file\fP, not both.
.RE
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\fBExamples\fP
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To create a data bag on the server from a file:
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$ knife data bag from file "path to JSON file"
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.fi
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To create a data bag named "devops_data" that contains encrypted data, enter:
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$ knife data bag from file devops_data \-\-secret\-file "path to decryption file"
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.fi
.SH LIST
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The \fBlist\fP argument is used to view a list of data bags that are currently available on the server.
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\fBSyntax\fP
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This argument has the following syntax:
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.nf
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$ knife data bag list
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.fi
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\fBOptions\fP
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This argument has the following options:
.INDENT 0.0
.TP
.B \fB\-w\fP, \fB\-\-with\-uri\fP
Indicates that the corresponding URIs will be shown.
.UNINDENT
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\fBExamples\fP
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For example, to view a list of data bags on the server, enter:
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$ knife data bag list
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.fi
.SH SHOW
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The \fBshow\fP argument is used to view the contents of a data bag.
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\fBSyntax\fP
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This argument has the following syntax:
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.nf
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$ knife data bag show DATA_BAG_NAME (options)
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.fi
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\fBOptions\fP
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This argument has the following options:
.INDENT 0.0
.TP
.B \fBDATA_BAG_ITEM\fP
The name of a specific item within a data bag.
.TP
.B \fB\-\-secret SECRET\fP
The encryption key that is used for values contained within a data bag.
.TP
.B \fB\-\-secret\-file FILE\fP
The path to the file that contains the encryption key.
.UNINDENT
.IP Note
For encrypted data bag items, use \fIeither\fP \fB\-\-secret\fP or \fB\-\-secret\-file\fP, not both.
.RE
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\fBExamples\fP
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To show the contents of a data bag, enter:
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$ knife data bag show admins
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.fi
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to return:
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.nf
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charlie
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.fi
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To show the contents of a specific item within data bag, enter:
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$ knife data bag show admins charlie
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to return:
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comment:  Crazy Charlie
gid:      ops
id:       charlie
shell:    /bin/zsh
uid:      1005
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.fi
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To show the contents of a data bag named "passwords" with an item that contains encrypted data named "mysql", enter:
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.nf
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$ knife data bag show passwords mysql
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.fi
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to return:
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.nf
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## sample:
{
  "id": "mysql",
  "pass": "trywgFA6R70NO28PNhMpGhEvKBZuxouemnbnAUQsUyo=\en",
  "user": "e/p+8WJYVHY9fHcEgAAReg==\en"
}
.ft P
.fi
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To show the decrypted contents of the same data bag, enter:
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$ knife data bag show \-\-secret\-file /path/to/decryption/file passwords mysql
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.fi
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to return:
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## sample:
{
   "id": "mysql",
   "pass": "thesecret123",
   "user": "fred"
}
.ft P
.fi
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To view information in JSON format, use the \fB\-F\fP common option as part of the command like this:
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.nf
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$ knife data bag show admins \-F json
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.fi
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Other formats available include \fBtext\fP, \fByaml\fP, and \fBpp\fP.
.SH AUTHOR
Opscode
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