Files
cookbook-pacemaker/spec/providers/primitive_spec.rb
2014-01-24 11:24:59 +00:00

201 lines
7.5 KiB
Ruby

require 'chef/application'
require_relative File.join(%w(.. spec_helper))
require_relative File.join(%w(.. helpers keystone_config))
describe "Chef::Provider::PacemakerPrimitive" do
# for use inside examples:
let(:ra) { Chef::RSpec::Pacemaker::Config::RA }
# for use outside examples (e.g. when invoking shared_examples)
ra = Chef::RSpec::Pacemaker::Config::RA
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(ra[:name], @run_context)
@resource.agent ra[:agent]
@resource.params Hash[ra[:params]]
@resource.meta Hash[ra[:meta]]
@resource.op Hash[ra[:op]]
end
let (:provider) { Chef::Provider::PacemakerPrimitive.new(@resource, @run_context) }
describe ":create action" do
it "should modify the primitive if it already exists" do
new_params = Hash[ra[:params]].merge("os_password" => "newpasswd")
new_params.delete("os_tenant_name")
@resource.params new_params
@resource.meta Hash[ra[:meta]].merge("target-role" => "Stopped")
# get_cib_object_definition is invoked by load_current_resource
# and later used to see whether to create or modify.
expect(provider).to receive(:get_cib_object_definition).and_return(ra[:config])
configure_cmd_prefix = "crm_resource --resource #{ra[:name]}"
expected_configure_cmd_args = [
%'--set-parameter "os_password" --parameter-value "newpasswd"',
%'--delete-parameter "os_tenant_name"',
%'--set-parameter "target-role" --parameter-value "Stopped" --meta',
]
provider.run_action :create
expected_configure_cmd_args.each do |args|
cmd = configure_cmd_prefix + " " + args
expect(@chef_run).to run_execute(cmd)
end
expect(@resource).to be_updated
end
it "should create a primitive if it doesn't already exist" do
# get_cib_object_definition is invoked by load_current_resource
# and later used to see whether to create or modify.
expect(provider).to receive(:get_cib_object_definition).and_return("")
# Later, the :create action calls cib_object_exists? to check
# that creation succeeded.
expect(provider).to receive(:cib_object_exists?).and_return(true)
provider.run_action :create
cmd = "crm configure primitive #{ra[:name]} #{ra[:agent]}" + \
ra[:params_string] + ra[:meta_string] + ra[:op_string]
expect(@chef_run).to run_execute(cmd)
expect(@resource).to be_updated
end
it "should barf if the primitive has the wrong agent" do
existing_agent = "ocf:openstack:something-else"
config = ra[:config].sub(ra[:agent], existing_agent)
# get_cib_object_definition is invoked by load_current_resource
# and later used to see whether to create or modify.
expect(provider).to receive(:get_cib_object_definition).and_return(config)
expected_error = \
"Existing resource primitive '#{ra[: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
# get_cib_object_definition is invoked by load_current_resource
expect(provider).to receive(:get_cib_object_definition).once.and_return("")
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 #{ra[:name]}", nil
it "should not delete a running resource" do
# get_cib_object_definition is invoked by load_current_resource
expect(provider).to receive(:get_cib_object_definition).once.and_return(ra[:config])
expect(provider).to receive(:pacemaker_resource_running?).once.and_return(true)
cmd = "crm configure delete #{ra[:name]}"
expected_error = "Cannot delete running resource primitive #{ra[:name]}"
expect { provider.run_action :delete }.to \
raise_error(RuntimeError, expected_error)
expect(@chef_run).not_to run_execute(cmd)
expect(@resource).not_to be_updated
end
it "should delete a non-running resource" do
# get_cib_object_definition is invoked by load_current_resource
expect(provider).to receive(:get_cib_object_definition).once.and_return(ra[:config])
expect(provider).to receive(:pacemaker_resource_running?).once.and_return(false)
cmd = "crm configure delete #{ra[:name]}"
provider.run_action :delete
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 #{ra[:name]}", \
"Cannot start non-existent resource primitive '#{ra[:name]}'"
it "should do nothing to a started resource" do
# get_cib_object_definition is invoked by load_current_resource
expect(provider).to receive(:get_cib_object_definition).and_return(ra[:config])
expect(provider).to receive(:pacemaker_resource_running?).once.and_return(true)
cmd = "crm resource start #{ra[:name]}"
provider.run_action :start
expect(@chef_run).not_to run_execute(cmd)
expect(@resource).not_to be_updated
end
it "should start a stopped resource" do
config = ra[:config].sub("Started", "Stopped")
# get_cib_object_definition is invoked by load_current_resource
expect(provider).to receive(:get_cib_object_definition).and_return(config)
expect(provider).to receive(:pacemaker_resource_running?).once.and_return(false)
cmd = "crm resource start #{ra[:name]}"
provider.run_action :start
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 #{ra[:name]}", \
"Cannot stop non-existent resource primitive '#{ra[:name]}'"
it "should do nothing to a stopped resource" do
# get_cib_object_definition is invoked by load_current_resource
expect(provider).to receive(:get_cib_object_definition).and_return(ra[:config])
expect(provider).to receive(:pacemaker_resource_running?).once.and_return(false)
cmd = "crm resource start #{ra[:name]}"
provider.run_action :stop
expect(@chef_run).not_to run_execute(cmd)
expect(@resource).not_to be_updated
end
it "should stop a started resource" do
# get_cib_object_definition is invoked by load_current_resource
expect(provider).to receive(:get_cib_object_definition).and_return(ra[:config])
expect(provider).to receive(:pacemaker_resource_running?).once.and_return(true)
cmd = "crm resource stop #{ra[:name]}"
provider.run_action :stop
expect(@chef_run).to run_execute(cmd)
expect(@resource).to be_updated
end
end
end