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Manipulate Chef attributes via Knife
Install via rubygems:
gem install knife-attributeOr for more recent Chef or ChefDK installations:
chef gem install knife-attributeTo work with attributes of type default, normal or override, use the
-t TYPE flag (the default type if unspecified is normal for nodes, and
default for all other entity types).
Setting node attributes may be achieved as follows:
knife node attribute set foo.example.org tz 'Australia/Melbourne'The above would set the foo.example.org node's normal attribute tz to the
string Austraila/Melbourne.
You may specify either a regular string, or a JSON structure, ie:
knife node attribute set foo.example.org apache.listen_ports '["80", "443"]' -t overrideThe above would set the foo.example.org node's override attribute
['apache']['listen_ports'] to the array ["80", "443"].
Getting node attributes may be achieved as follows:
knife node attribute get foo.example.org apache.listen_portsUse the standard -F FORMAT flag to set the output format for complex data
structures.
Unlike other actions, by default the get action will return the combined
(effective) value for the attribute, if an attribute type (-t TYPE) is not
specified.
knife node attribute get foo.example.org apache.listen_ports -t override -F jsonThe above would get the foo.example.org node's override attribute
['apache']['listen_ports'] and output it as JSON.
Deleting node attributes may be achieved as follows:
knife node attribute delete foo.example.org tzThe above would delete the foo.example.org node's normal attribute tz.
knife node attribute delete foo.example.org apache.listen_ports -t overrideThe above would delete the foo.example.org node's override attribute
['apache']['listen_ports'].
Valid attribute types for roles are: ['default', 'override'].
For usage, see node attribute set above.
Valid attribute types for roles are: ['default', 'override'].
For usage, see node attribute get above.
Valid attribute types for roles are: ['default', 'override'].
For usage, see node attribute delete above.
Valid attribute types for environments are: ['default', 'override'].
For usage, see node attribute set above.
Valid attribute types for environments are: ['default', 'override'].
For usage, see node attribute get above.
Valid attribute types for environments are: ['default', 'override'].
For usage, see node attribute delete above.
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