redis_adminstration_spec.rb
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redis_adminstration_spec.rb
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	# rubocop:disable RSpec/MultipleExpectations
	require 'spec_helper_acceptance'

	# systcl settings are untestable in docker
	unless default['hypervisor'] =~ %r{docker}
	describe 'redis::administration' do
	it 'runs successfully' do
	pp = <<-EOS
	include redis
	include redis::administration
	EOS

	# Apply twice to ensure no errors the second time.
	apply_manifest(pp, catch_failures: true)
	apply_manifest(pp, catch_changes: true)
	end
	it 'sets overcommit_memory to 1 in a seperate sysctl file' do
	shell('/bin/cat /proc/sys/vm/overcommit_memory') do \|result\|
	expect(result.stdout).to match(%r{^1$})
	end
	end
	it 'disables thp' do
	shell('/bin/cat /sys/kernel/mm/transparent_hugepage/enabled') do \|result\|
	expect(result.stdout).to match(%r{^always madvise \[never\]$})
	end
	end
	it 'sets somaxconn to 65535' do
	shell('/bin/cat /proc/sys/net/core/somaxconn') do \|result\|
	expect(result.stdout).to match(%r{^65535$})
	end
	end
	it 'shows no warnings about kernel settings in logs' do
	shell('timeout 1s redis-server --port 7777 --loglevel verbose', acceptable_exit_codes: [0, 124]) do \|result\|
	expect(result.stdout).not_to match(%r{WARNING})
	expect(result.exit_code).to match(124)
	end
	end
	end
	end