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require 'spec_helper'
require 'puppet/indirector/hiera'
require 'puppet_spec/compiler'
require 'puppet/indirector/data_binding/hiera'
describe "Data binding" do
include PuppetSpec::Files
include PuppetSpec::Compiler
let(:dir) { tmpdir("puppetdir") }
let(:data) {{
'global' => {
'testing::binding::value' => 'the value',
'testing::binding::calling_class' => '%{calling_class}',
'testing::binding::calling_class_path' => '%{calling_class_path}'
}
}}
let(:hash_data) {{
'global' => {
'testing::hash::options' => {
'key' => 'value',
'port' => '80',
'bind' => 'localhost'
}
},
'agent.example.com' => {
'testing::hash::options' => {
'key' => 'new value',
'port' => '443'
}
}
}}
let(:hash_data_with_lopts) {{
'global' => {
'testing::hash::options' => {
'key' => 'value',
'port' => '80',
'bind' => 'localhost'
}
},
'agent.example.com' => {
'lookup_options' => {
'testing::hash::options' => {
'merge' => 'deep'
}
},
'testing::hash::options' => {
'key' => 'new value',
'port' => '443'
}
}
}}
before do
# Drop all occurances of cached hiera instances. This will reset @hiera in Puppet::Indirector::Hiera, Testing::DataBinding::Hiera,
# and Puppet::DataBinding::Hiera. Different classes are active as indirection depending on configuration
ObjectSpace.each_object(Class).select {|klass| klass <= Puppet::Indirector::Hiera }.each { |klass| klass.instance_variable_set(:@hiera, nil) }
Puppet[:data_binding_terminus] = 'hiera'
Puppet[:modulepath] = dir
end
context "with testing::binding and global data only" do
it "looks up global data from hiera" do
configure_hiera_for_one_tier(data)
create_manifest_in_module("testing", "binding.pp",
<<-MANIFEST)
class testing::binding($value,
$calling_class,
$calling_class_path,
$calling_module = $module_name) {}
MANIFEST
catalog = compile_to_catalog("include testing::binding")
resource = catalog.resource('Class[testing::binding]')
expect(resource[:value]).to eq("the value")
expect(resource[:calling_class]).to eq("testing::binding")
expect(resource[:calling_class_path]).to eq("testing/binding")
expect(resource[:calling_module]).to eq("testing")
end
end
context "with testing::hash and global data only" do
it "looks up global data from hiera" do
configure_hiera_for_one_tier(hash_data)
create_manifest_in_module("testing", "hash.pp",
<<-MANIFEST)
class testing::hash($options) {}
MANIFEST
catalog = compile_to_catalog("include testing::hash")
resource = catalog.resource('Class[testing::hash]')
expect(resource[:options]).to eq({
'key' => 'value',
'port' => '80',
'bind' => 'localhost'
})
end
end
context "with custom clientcert" do
it "merges global data with agent.example.com data from hiera" do
configure_hiera_for_two_tier(hash_data)
create_manifest_in_module("testing", "hash.pp",
<<-MANIFEST)
class testing::hash($options) {}
MANIFEST
catalog = compile_to_catalog("include testing::hash")
resource = catalog.resource('Class[testing::hash]')
expect(resource[:options]).to eq({
'key' => 'new value',
'port' => '443',
})
end
end
context "with custom clientcert and with lookup_options" do
it "merges global data with agent.example.com data from hiera" do
configure_hiera_for_two_tier(hash_data_with_lopts)
create_manifest_in_module("testing", "hash.pp",
<<-MANIFEST)
class testing::hash($options) {}
MANIFEST
catalog = compile_to_catalog("include testing::hash")
resource = catalog.resource('Class[testing::hash]')
expect(resource[:options]).to eq({
'key' => 'new value',
'port' => '443',
'bind' => 'localhost',
})
end
end
context "with plan_hierarchy key" do
context "using Hiera 5" do
let(:hiera_config) { <<~CONF }
---
version: 5
plan_hierarchy:
- path: global
name: Common
CONF
it "ignores plan_hierarchy outside of a Bolt plan" do
configure_hiera_for_plan_hierarchy(data, hiera_config)
create_manifest_in_module("testing", "binding.pp",
<<-MANIFEST)
class testing::binding($value) {}
MANIFEST
expect { compile_to_catalog("include testing::binding") }
.to raise_error(/Class\[Testing::Binding\]: expects a value for parameter 'value'/)
end
end
context "with invalid data" do
let(:hiera_config) { <<~CONF }
---
version: 5
plan_hierarchy:
- pop: the question
CONF
it "raises a validation error" do
configure_hiera_for_plan_hierarchy(data, hiera_config)
create_manifest_in_module("testing", "binding.pp",
<<-MANIFEST)
class testing::binding($value) {}
MANIFEST
expect { compile_to_catalog("include testing::binding") }
.to raise_error(/entry 'plan_hierarchy' index 0 unrecognized key 'pop'/)
end
end
context "with Hiera 3" do
let(:hiera_config) { <<~CONF }
---
plan_hierarchy: ['global']
CONF
it "errors with plan_hierarchy key" do
configure_hiera_for_plan_hierarchy(data, hiera_config)
create_manifest_in_module("testing", "binding.pp",
<<-MANIFEST)
class testing::binding($value) {}
MANIFEST
expect { compile_to_catalog("include testing::binding") }
.to raise_error(/unrecognized key 'plan_hierarchy'/)
end
end
end
def configure_hiera_for_one_tier(data)
hiera_config_file = tmpfile("hiera.yaml")
File.open(hiera_config_file, 'w:UTF-8') do |f|
f.write("---
:yaml:
:datadir: #{dir}
:hierarchy: ['global']
:logger: 'noop'
:backends: ['yaml']
")
end
data.each do | file, contents |
File.open(File.join(dir, "#{file}.yaml"), 'w:UTF-8') do |f|
f.write(YAML.dump(contents))
end
end
Puppet[:hiera_config] = hiera_config_file
end
def configure_hiera_for_plan_hierarchy(data, config)
hiera_config_file = tmpfile("hiera.yaml")
File.open(hiera_config_file, 'w:UTF-8') do |f|
f.write(config)
end
data.each do | file, contents |
File.open(File.join(dir, "#{file}.yaml"), 'w:UTF-8') do |f|
f.write(YAML.dump(contents))
end
end
Puppet[:hiera_config] = hiera_config_file
end
def configure_hiera_for_two_tier(data)
hiera_config_file = tmpfile("hiera.yaml")
File.open(hiera_config_file, 'w:UTF-8') do |f|
f.write("---
:yaml:
:datadir: #{dir}
:hierarchy: ['agent.example.com', 'global']
:logger: 'noop'
:backends: ['yaml']
")
end
data.each do | file, contents |
File.open(File.join(dir, "#{file}.yaml"), 'w:UTF-8') do |f|
f.write(YAML.dump(contents))
end
end
Puppet[:hiera_config] = hiera_config_file
end
def create_manifest_in_module(module_name, name, manifest)
module_dir = File.join(dir, module_name, 'manifests')
FileUtils.mkdir_p(module_dir)
File.open(File.join(module_dir, name), 'w:UTF-8') do |f|
f.write(manifest)
end
end
end
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