I am trying to install multiple packages with Chef's 'package' resource by using custom attributes. When I try:
package %w(python3 python3-pip) do
action :install
end
The above code works fine for me, but same code is giving error while trying with custom attributes.
Please have a look-
My recipe_code :
package %w(node['python']['pkg_name'] node['python-pip']['pkg_name']) do
action :install
end
Attribute_code :
default['python']['pkg_name'] = 'python3'
default['python-pip']['pkg_name'] = 'python3-pip'
Error log:
Compiling Cookbooks...
Converging 3 resources
Recipe: odoo_setup::odoo_linux
* apt_update[update_ubuntu_pkg_lib] action update
* directory[/var/lib/apt/periodic] action create (up to date)
* directory[/etc/apt/apt.conf.d] action create (up to date)
* file[/etc/apt/apt.conf.d/15update-stamp] action create_if_missing (up to date)
* execute[apt-get -q update] action run
- execute ["apt-get", "-q", "update"]
- force update new lists of packages
* apt_package[node['python']['pkg_name'], node['python-pip']['pkg_name']] action install
* No candidate version available for node['python']['pkg_name'], node['python-pip']['pkg_name']
================================================================================
Error executing action `install` on resource 'apt_package[node['python']['pkg_name'], node['python-pip']['pkg_name']]'
================================================================================
Chef::Exceptions::Package
-------------------------
No candidate version available for node['python']['pkg_name'], node['python-pip']['pkg_name']
Resource Declaration:
---------------------
# In /tmp/kitchen/cache/cookbooks/odoo_setup/recipes/odoo_linux.rb
32: package %w(node['python']['pkg_name'] node['python-pip']['pkg_name']) do
33: # package node['python']['pkg_name'] do
34: action :install
35: end
36:
%w is a percent literal in Ruby, that creates an array from separate words in the brackets. Your first example works, because
%w(python3 python3-pip) == ['python3', 'python3-pip']
But this %w does not support string interpolation. Your second example is actually:
%w(node['python']['pkg_name'] node['python-pip']['pkg_name']) == ["node['python']['pkg_name']", "node['python-pip']['pkg_name']"]
See how your values are actually strings, not variables. If you need to use variables, use ordinary Array initialization, and not %w literal.
package [node['python']['pkg_name'], node['python-pip']['pkg_name']]
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