cookbook-pacemaker/spec/providers/primitive_spec.rb
2014-02-04 13:04:49 +00:00

240 lines
7.7 KiB
Ruby

require 'chef/application'
require_relative File.join(%w(.. spec_helper))
require_relative File.join(%w(.. helpers common))
require_relative File.join(%w(.. fixtures keystone_primitive))
describe "Chef::Provider::PacemakerPrimitive" do
# for use inside examples:
let(:rsc) { Chef::RSpec::Pacemaker::Config::KEYSTONE_PRIMITIVE }
# for use outside examples (e.g. when invoking shared_examples)
rsc = Chef::RSpec::Pacemaker::Config::KEYSTONE_PRIMITIVE
before(:each) do
runner_opts = {
:step_into => ['pacemaker_primitive']
}
@chef_run = ::ChefSpec::Runner.new(runner_opts)
@chef_run.converge "pacemaker::default"
@node = @chef_run.node
@run_context = @chef_run.run_context
@resource = Chef::Resource::PacemakerPrimitive.new(rsc.name, @run_context)
@resource.agent rsc.agent
@resource.params Hash[rsc.params]
@resource.meta Hash[rsc.meta]
@resource.op Hash[rsc.op]
end
let (:provider) { Chef::Provider::PacemakerPrimitive.new(@resource, @run_context) }
def cib_object_class
Pacemaker::Resource::Primitive
end
include Chef::RSpec::Pacemaker::Common
def expect_running(running)
expect_any_instance_of(cib_object_class) \
.to receive(:running?) \
.and_return(running)
end
describe ":create action" do
def test_modify(expected_cmds)
yield
expect_definition(rsc.definition_string)
provider.run_action :create
expected_cmds.each do |cmd|
expect(@chef_run).to run_execute(cmd)
end
expect(@resource).to be_updated
end
it "should modify the primitive if it has different params" do
expected_configure_cmd_args = [
%'--set-parameter "os_password" --parameter-value "newpasswd"',
%'--delete-parameter "os_tenant_name"',
].map { |args| "crm_resource --resource #{rsc.name} #{args}" }
test_modify(expected_configure_cmd_args) do
new_params = Hash[rsc.params].merge("os_password" => "newpasswd")
new_params.delete("os_tenant_name")
@resource.params new_params
@resource.meta Hash[rsc.meta].merge("target-role" => "Stopped")
end
end
it "should modify the primitive if it has different meta" do
expected_configure_cmd_args = [
%'--set-parameter "target-role" --parameter-value "Stopped" --meta',
].map { |args| "crm_resource --resource #{rsc.name} #{args}" }
test_modify(expected_configure_cmd_args) do
@resource.params Hash[rsc.params]
@resource.meta Hash[rsc.meta].merge("target-role" => "Stopped")
end
end
it "should modify the primitive if it has different params and meta" do
expected_configure_cmd_args = [
%'--set-parameter "os_password" --parameter-value "newpasswd"',
%'--delete-parameter "os_tenant_name"',
%'--set-parameter "target-role" --parameter-value "Stopped" --meta',
].map { |args| "crm_resource --resource #{rsc.name} #{args}" }
test_modify(expected_configure_cmd_args) do
new_params = Hash[rsc.params].merge("os_password" => "newpasswd")
new_params.delete("os_tenant_name")
@resource.params new_params
@resource.meta Hash[rsc.meta].merge("target-role" => "Stopped")
end
end
it "should modify the primitive if it has different op values" do
echo_string = rsc.definition_string.chomp
echo_string.gsub!('\\') { '\\\\' }.gsub!('60', '120')
expected_configure_cmd_args = [
"echo '#{echo_string}' | crm configure load update -"
]
test_modify(expected_configure_cmd_args) do
new_op = Hash[rsc.op]
# Ensure we're not modifying our expectation as well as the input
new_op['monitor'] = new_op['monitor'].dup
new_op['monitor']['timeout'] = '120'
@resource.op new_op
end
end
it "should create a primitive if it doesn't already exist" do
expect_definition("")
# Later, the :create action calls cib_object_class#exists? to check
# that creation succeeded.
expect_exists(true)
provider.run_action :create
expect(@chef_run).to run_execute(rsc.crm_configure_command)
expect(@resource).to be_updated
end
it "should barf if the primitive is already defined with the wrong agent" do
existing_agent = "ocf:openstack:something-else"
definition = rsc.definition_string.sub(rsc.agent, existing_agent)
expect_definition(definition)
expected_error = \
"Existing primitive resource '#{rsc.name}' has agent '#{existing_agent}' " \
"but recipe wanted '#{@resource.agent}'"
expect { provider.run_action :create }.to \
raise_error(RuntimeError, expected_error)
expect(@resource).not_to be_updated
end
end
shared_examples "action on non-existent resource" do |action, cmd, expected_error|
it "should not attempt to #{action.to_s} a non-existent resource" do
expect_definition("")
if expected_error
expect { provider.run_action action }.to \
raise_error(RuntimeError, expected_error)
else
provider.run_action action
end
expect(@chef_run).not_to run_execute(cmd)
expect(@resource).not_to be_updated
end
end
describe ":delete action" do
it_should_behave_like "action on non-existent resource", \
:delete, "crm configure delete #{rsc.name}", nil
it "should not delete a running resource" do
expect_definition(rsc.definition_string)
expect_running(true)
expected_error = "Cannot delete running primitive resource '#{rsc.name}'"
expect { provider.run_action :delete }.to \
raise_error(RuntimeError, expected_error)
cmd = "crm configure delete '#{rsc.name}'"
expect(@chef_run).not_to run_execute(cmd)
expect(@resource).not_to be_updated
end
it "should delete a non-running resource" do
expect_definition(rsc.definition_string)
expect_running(false)
provider.run_action :delete
cmd = "crm configure delete '#{rsc.name}'"
expect(@chef_run).to run_execute(cmd)
expect(@resource).to be_updated
end
end
describe ":start action" do
it_should_behave_like "action on non-existent resource", \
:start,
"crm resource start #{rsc.name}", \
"Cannot start non-existent resource primitive '#{rsc.name}'"
it "should do nothing to a started resource" do
expect_definition(rsc.definition_string)
expect_running(true)
provider.run_action :start
cmd = "crm resource start #{rsc.name}"
expect(@chef_run).not_to run_execute(cmd)
expect(@resource).not_to be_updated
end
it "should start a stopped resource" do
config = rsc.definition_string.sub("Started", "Stopped")
expect_definition(config)
expect_running(false)
provider.run_action :start
cmd = "crm resource start '#{rsc.name}'"
expect(@chef_run).to run_execute(cmd)
expect(@resource).to be_updated
end
end
describe ":stop action" do
it_should_behave_like "action on non-existent resource", \
:stop,
"crm resource stop #{rsc.name}", \
"Cannot stop non-existent resource primitive '#{rsc.name}'"
it "should do nothing to a stopped resource" do
expect_definition(rsc.definition_string)
expect_running(false)
provider.run_action :stop
cmd = "crm resource start #{rsc.name}"
expect(@chef_run).not_to run_execute(cmd)
expect(@resource).not_to be_updated
end
it "should stop a started resource" do
expect_definition(rsc.definition_string)
expect_running(true)
provider.run_action :stop
cmd = "crm resource stop '#{rsc.name}'"
expect(@chef_run).to run_execute(cmd)
expect(@resource).to be_updated
end
end
end