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#
# Author:: Xabier de Zuazo (xabier@onddo.com)
# Copyright:: Copyright 2013-2016, Onddo Labs, SL.
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
require "spec_helper"
require "chef/exceptions"
describe Chef::Provider::Ifconfig::Debian do
let(:run_context) do
node = Chef::Node.new
cookbook_collection = Chef::CookbookCollection.new([])
events = Chef::EventDispatch::Dispatcher.new
Chef::RunContext.new(node, cookbook_collection, events)
end
let(:new_resource) do
new_resource = Chef::Resource::Ifconfig.new("10.0.0.1", run_context)
new_resource.mask "255.255.254.0"
new_resource.metric "1"
new_resource.mtu "1500"
new_resource.device "eth0"
new_resource
end
let(:current_resource) { Chef::Resource::Ifconfig.new("10.0.0.1", run_context) }
let(:provider) do
status = double("Status", :exitstatus => 0)
provider = Chef::Provider::Ifconfig::Debian.new(new_resource, run_context)
provider.instance_variable_set("@status", status)
provider.current_resource = current_resource
allow(provider).to receive(:load_current_resource)
allow(provider).to receive(:run_command)
provider
end
let(:config_filename_ifaces) { "/etc/network/interfaces" }
let(:config_filename_ifcfg) { "/etc/network/interfaces.d/ifcfg-#{new_resource.device}" }
describe "generate_config" do
context "when writing a file" do
let(:tempfile) { Tempfile.new("rspec-chef-ifconfig-debian") }
let(:tempdir_path) { Dir.mktmpdir("rspec-chef-ifconfig-debian-dir") }
let(:config_filename_ifcfg) { "#{tempdir_path}/ifcfg-#{new_resource.device}" }
before do
stub_const("Chef::Provider::Ifconfig::Debian::INTERFACES_FILE", tempfile.path)
stub_const("Chef::Provider::Ifconfig::Debian::INTERFACES_DOT_D_DIR", tempdir_path)
end
it "should write a network-script" do
provider.run_action(:add)
expect(File.read(config_filename_ifcfg)).to match(/^iface eth0 inet static\s*$/)
expect(File.read(config_filename_ifcfg)).to match(/^\s+address 10\.0\.0\.1\s*$/)
expect(File.read(config_filename_ifcfg)).to match(/^\s+netmask 255\.255\.254\.0\s*$/)
end
context "when the interface_dot_d directory does not exist" do
before do
FileUtils.rmdir tempdir_path
expect(File.exists?(tempdir_path)).to be_falsey
end
it "should create the /etc/network/interfaces.d directory" do
provider.run_action(:add)
expect(File.exists?(tempdir_path)).to be_truthy
expect(File.directory?(tempdir_path)).to be_truthy
end
it "should mark the resource as updated" do
provider.run_action(:add)
expect(new_resource.updated_by_last_action?).to be_truthy
end
end
context "when the interface_dot_d directory exists" do
before do
expect(File.exists?(tempdir_path)).to be_truthy
end
it "should still mark the resource as updated (we still write a file to it)" do
provider.run_action(:add)
expect(new_resource.updated_by_last_action?).to be_truthy
end
end
end
context "when the file is up-to-date" do
let(:tempfile) { Tempfile.new("rspec-chef-ifconfig-debian") }
let(:tempdir_path) { Dir.mktmpdir("rspec-chef-ifconfig-debian-dir") }
let(:config_filename_ifcfg) { "#{tempdir_path}/ifcfg-#{new_resource.device}" }
before do
stub_const("Chef::Provider::Ifconfig::Debian::INTERFACES_FILE", tempfile.path)
stub_const("Chef::Provider::Ifconfig::Debian::INTERFACES_DOT_D_DIR", tempdir_path)
config_file_ifcfg = StringIO.new(<<-EOF
iface eth0 inet static
address 10.0.0.1
netmask 255.255.254.0
EOF
)
expect(File.exists?(tempdir_path)).to be_truthy # since the file exists, the enclosing dir must also exist
end
context "when the /etc/network/interfaces file has the source line" do
let(:expected_string) do
<<-EOF
a line
source #{tempdir_path}/*
another line
EOF
end
before do
tempfile.write(expected_string)
tempfile.close
expect(provider).not_to receive(:converge_by).with(/modifying #{tempfile.path} to source #{tempdir_path}/)
end
it "should preserve all the contents" do
provider.run_action(:add)
expect(IO.read(tempfile.path)).to eq(expected_string)
end
end
context "when the /etc/network/interfaces file does not have the source line" do
let(:expected_string) do
<<-EOF
a line
another line
source #{tempdir_path}/*
EOF
end
before do
tempfile.write("a line\nanother line\n")
tempfile.close
allow(provider).to receive(:converge_by).and_call_original
expect(provider).to receive(:converge_by).with(/modifying #{tempfile.path} to source #{tempdir_path}/).and_call_original
end
it "should preserve the original contents and add the source line" do
provider.run_action(:add)
expect(IO.read(tempfile.path)).to eq(expected_string)
end
it "should mark the resource as updated" do
provider.run_action(:add)
expect(new_resource.updated_by_last_action?).to be_truthy
end
end
end
describe "when running under why run" do
before do
Chef::Config[:why_run] = true
end
after do
Chef::Config[:why_run] = false
end
context "when writing a file" do
let(:config_file_ifcfg) { StringIO.new }
let(:tempfile) { Tempfile.new("rspec-chef-ifconfig-debian") }
let(:tempdir_path) { Dir.mktmpdir("rspec-chef-ifconfig-debian-dir") }
let(:config_filename_ifcfg) { "#{tempdir_path}/ifcfg-#{new_resource.device}" }
before do
stub_const("Chef::Provider::Ifconfig::Debian::INTERFACES_FILE", tempfile.path)
stub_const("Chef::Provider::Ifconfig::Debian::INTERFACES_DOT_D_DIR", tempdir_path)
expect(File).not_to receive(:new).with(config_filename_ifcfg, "w")
end
it "should write a network-script" do
provider.run_action(:add)
expect(config_file_ifcfg.string).not_to match(/^iface eth0 inet static\s*$/)
expect(config_file_ifcfg.string).not_to match(/^\s+address 10\.0\.0\.1\s*$/)
expect(config_file_ifcfg.string).not_to match(/^\s+netmask 255\.255\.254\.0\s*$/)
end
context "when the interface_dot_d directory does not exist" do
before do
FileUtils.rmdir tempdir_path
expect(File.exists?(tempdir_path)).to be_falsey
end
it "should not create the /etc/network/interfaces.d directory" do
provider.run_action(:add)
expect(File.exists?(tempdir_path)).not_to be_truthy
end
it "should mark the resource as updated" do
provider.run_action(:add)
expect(new_resource.updated_by_last_action?).to be_truthy
end
end
context "when the interface_dot_d directory exists" do
before do
expect(File.exists?(tempdir_path)).to be_truthy
end
it "should still mark the resource as updated (we still write a file to it)" do
provider.run_action(:add)
expect(new_resource.updated_by_last_action?).to be_truthy
end
end
end
context "when the file is up-to-date" do
let(:tempfile) { Tempfile.new("rspec-chef-ifconfig-debian") }
let(:tempdir_path) { Dir.mktmpdir("rspec-chef-ifconfig-debian-dir") }
let(:config_filename_ifcfg) { "#{tempdir_path}/ifcfg-#{new_resource.device}" }
before do
stub_const("Chef::Provider::Ifconfig::Debian::INTERFACES_FILE", tempfile.path)
stub_const("Chef::Provider::Ifconfig::Debian::INTERFACES_DOT_D_DIR", tempdir_path)
config_file_ifcfg = StringIO.new(<<-EOF
iface eth0 inet static
address 10.0.0.1
netmask 255.255.254.0
EOF
)
expect(File).not_to receive(:new).with(config_filename_ifcfg, "w")
expect(File.exists?(tempdir_path)).to be_truthy # since the file exists, the enclosing dir must also exist
end
context "when the /etc/network/interfaces file has the source line" do
let(:expected_string) do
<<-EOF
a line
source #{tempdir_path}/*
another line
EOF
end
before do
tempfile.write(expected_string)
tempfile.close
end
it "should preserve all the contents" do
provider.run_action(:add)
expect(IO.read(tempfile.path)).to eq(expected_string)
end
end
context "when the /etc/network/interfaces file does not have the source line" do
let(:expected_string) do
<<-EOF
a line
another line
source #{tempdir_path}/*
EOF
end
before do
tempfile.write("a line\nanother line\n")
tempfile.close
end
it "should preserve the original contents and not add the source line" do
provider.run_action(:add)
expect(IO.read(tempfile.path)).to eq("a line\nanother line\n")
end
it "should mark the resource as updated" do
provider.run_action(:add)
expect(new_resource.updated_by_last_action?).to be_truthy
end
end
end
end
end
describe "delete_config for action_delete" do
let(:tempfile) { Tempfile.new("rspec-chef-ifconfig-debian") }
let(:tempdir_path) { Dir.mktmpdir("rspec-chef-ifconfig-debian-dir") }
let(:config_filename_ifcfg) { "#{tempdir_path}/ifcfg-#{new_resource.device}" }
before do
stub_const("Chef::Provider::Ifconfig::Debian::INTERFACES_FILE", tempfile.path)
stub_const("Chef::Provider::Ifconfig::Debian::INTERFACES_DOT_D_DIR", tempdir_path)
File.open(config_filename_ifcfg, "w") do |fh|
fh.write "arbitrary text\n"
fh.close
end
end
after do
Dir.rmdir(tempdir_path)
end
it "should delete network-script if it exists" do
current_resource.device new_resource.device
# belt and suspenders testing?
expect_any_instance_of(Chef::Util::Backup).to receive(:do_backup).and_call_original
# internal implementation detail of Ifconfig.
expect_any_instance_of(Chef::Provider::File).to receive(:action_delete).and_call_original
expect(File.exist?(config_filename_ifcfg)).to be_truthy
provider.run_action(:delete)
expect(File.exist?(config_filename_ifcfg)).to be_falsey
end
end
end
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