added new dhcp::failover, related unit-test and updated doc

1 files changed, 204 insertions, 0 deletions

diff --git a/spec/defines/dhcp_failover_spec.rb b/spec/defines/dhcp_failover_spec.rb
new file mode 100644
index 0000000..d8400b0
--- /dev/null
+++ b/spec/defines/dhcp_failover_spec.rb
@@ -0,0 +1,204 @@
+require 'spec_helper'
+
+describe 'dhcp::failover' do
+  let (:title) { 'failover-dhcp' }
+
+  on_supported_os.each do |os, facts|
+    context "on #{os}" do
+      let(:facts) do
+        facts.merge({
+          :concat_basedir => '/var/lib/puppet/concat',
+          :domain         => 'example.com',
+          :ipaddress      => '1.2.3.3',
+        })
+      end
+
+      context 'when passing wrong value for ensure' do
+        let (:params) { {
+          :ensure       => 'foo',
+          :peer_address => '1.2.3.4',
+        } }
+
+        it 'should fail' do
+          expect {
+            should contain_file('/etc/dhcp/failover/failover-dhcp.conf')
+          }.to raise_error(Puppet::Error, /"foo" does not match \["present", "absent"\]/)
+        end
+      end
+
+      context 'when passing wrong type for address' do
+        let (:params) { {
+          :address      => true,
+          :peer_address => '1.2.3.4',
+        } }
+
+        it 'should fail' do
+          expect {
+            should contain_file('/etc/dhcp/failover/failover-dhcp.conf')
+          }.to raise_error(Puppet::Error, /true is not a string\./)
+        end
+      end
+
+      context 'when passing wrong value for address' do
+        let (:params) { {
+          :address      => 'foo',
+          :peer_address => '1.2.3.4',
+        } }
+
+        it 'should fail' do
+          expect {
+            should contain_file('/etc/dhcp/failover/failover-dhcp.conf')
+          }.to raise_error(Puppet::Error, /is not a valid IPv4 address\./)
+        end
+      end
+
+      context 'when not passing peer_address' do
+        it 'should fail' do
+          expect {
+            should contain_file('/etc/dhcp/failover/failover-dhcp.conf')
+          }.to raise_error(Puppet::Error, /Must pass peer_address to Dhcp::Failover/)
+        end
+      end
+
+      context 'when passing wrong type for peer_address' do
+        let (:params) { {
+          :peer_address => true,
+        } }
+
+        it 'should fail' do
+          expect {
+            should contain_file('/etc/dhcp/failover/failover-dhcp.conf')
+          }.to raise_error(Puppet::Error, /true is not a string\./)
+        end
+      end
+
+      context 'when passing wrong value for peer_address' do
+        let (:params) { {
+          :peer_address => 'foo',
+        } }
+
+        it 'should fail' do
+          expect {
+            should contain_file('/etc/dhcp/failover/failover-dhcp.conf')
+          }.to raise_error(Puppet::Error, /is not a valid IPv4 address\./)
+        end
+      end
+
+      context 'when passing wrong type for peer_port' do
+        let (:params) { {
+          :peer_port    => 'foo',
+          :peer_address => '1.2.3.4',
+        } }
+
+        it 'should fail' do
+          expect {
+            should contain_file('/etc/dhcp/failover/failover-dhcp.conf')
+          }.to raise_error(Puppet::Error, /Expected first argument to be an Integer/)
+        end
+      end
+
+      context 'when passing wrong type for port' do
+        let (:params) { {
+          :peer_address => '1.2.3.4',
+          :port         => 'foo',
+        } }
+
+        it 'should fail' do
+          expect {
+            should contain_file('/etc/dhcp/failover/failover-dhcp.conf')
+          }.to raise_error(Puppet::Error, /Expected first argument to be an Integer/)
+        end
+      end
+
+
+
+      context 'when using defaults' do
+        let (:params) { {
+          :peer_address => '1.2.3.4',
+        } }
+
+        it { should contain_file('/etc/dhcp/failover/failover-dhcp.conf').with(
+          :ensure  => 'file',
+          :owner   => 'root',
+          :group   => 'root'
+        ).with_content(
+          /failover peer "failover-dhcp" \{\n/
+        ).with_content(
+          /primary;\n/
+        ).with_content(
+          /address 1.2.3.3;\n/
+        ).with_content(
+          /port 647;\n/
+        ).with_content(
+          /peer address 1.2.3.4;\n/
+        ).with_content(
+          /peer port 647;\n/
+        ) }
+        it { should contain_concat__fragment('dhcp.failover.failover-dhcp').with({
+          :content => "include \"/etc/dhcp/failover/failover-dhcp.conf\";\n",
+          :target  => '/etc/dhcp/dhcpd.conf',
+        })}
+      end
+
+      context 'when passing options as a hash' do
+        let (:params) { {
+          :peer_address => '1.2.3.4',
+          :options      => {
+            'max-response-delay'       => '30',
+            'max-unacked-updates'      => '10',
+            'load balance max seconds' => '3',
+            'mclt'                     => '1800',
+            'split'                    => '128',
+          },
+        } }
+
+        it { should contain_file('/etc/dhcp/failover/failover-dhcp.conf').with({
+          :ensure  => 'file',
+          :owner   => 'root',
+          :group   => 'root'
+        }).with_content(
+          /failover peer "failover-dhcp" \{\n/
+        ).with_content(
+          /  load balance max seconds 3;\n/
+        ).with_content(
+          /  max-response-delay 30;\n/
+        ).with_content(
+          /  max-unacked-updates 10;\n/
+        ).with_content(
+          /  mclt 1800;\n/
+        ).with_content(
+          /  split 128;\n/
+        ) }
+      end
+
+      context 'when overriding all parameters' do
+        let (:params) { {
+          :peer_address => '1.2.3.4',
+          :address      => '1.2.3.5',
+          :peer_port    => 847,
+          :port         => 847,
+          :options      => {
+            'mclt' => 1800,
+          },
+          :role         => 'secondary',
+        } }
+
+        it { should contain_file('/etc/dhcp/failover/failover-dhcp.conf').with({
+          :ensure  => 'file',
+          :owner   => 'root',
+          :group   => 'root'
+        }).with_content(
+          /secondary;\n/
+        ).with_content(
+          /address 1.2.3.5;\n/
+        ).with_content(
+          /port 847;\n/
+        ).with_content(
+          /peer port 847;\n/
+        ).with_content(
+          /mclt 1800;\n/
+        ) }
+      end
+    end
+  end
+end