Bootstrap agent2 support

* Add param binary_location for specify zabbix agent binary (only for
  systemd)
* Remove some parameters in zabbix agent configuration if it's zabbix
  agent2 package
    * LogRemoteCommands
    * StartAgents
    * MaxLinesPerSecond
    * AllowRoot
    * User
    * LoadModulePath
* Fix EnableRemoteCommands still use on zabbix agentd > 5 but remove on
  agent2

Conflicts:
	manifests/agent.pp
	spec/classes/agent_spec.rb
	templates/zabbix_agentd.conf.erb

README.md

@@ -22,6 +22,7 @@
 5. [Usage - Configuration options and additional functionality](#usage)
     * [zabbix-server](#usage-zabbix-server)
     * [zabbix-agent](#usage-zabbix-agent)
+    * [zabbix-agent2](#usage-zabbix-agent2)
     * [zabbix-proxy](#usage-zabbix-proxy)
     * [zabbix-javagateway](#usage-zabbix-javagateway)
     * [zabbix-sender](#usage-zabbix-sender)
@@ -200,6 +201,20 @@ class { 'zabbix::agent':
 }
 ```
 
+### Usage zabbix-agent2
+
+To use Zabbix agent2 you need to define some parameters
+
+```ruby
+  class { 'zabbix::agent':
+    agent_configfile_path => '/etc/zabbix/zabbix_agent2.conf',
+    include_dir           => '/etc/zabbix/zabbix_agent2.d',
+    pidfile               => '/var/run/zabbix/zabbix_agentd2.pid',
+    zabbix_package_agent  => 'zabbix-agent2',
+    manage_startup_script => false,
+  }
+```
+
 ### Usage zabbix-proxy
 
 Like the zabbix-server, the zabbix-proxy can also be used in 2 ways:

REFERENCE.md

@@ -1342,6 +1342,18 @@ class { 'zabbix::agent':
 }
 ```
 
+##### Using Zabbix Agent 2
+
+```puppet
+class { 'zabbix::agent':
+  agent_configfile_path => '/etc/zabbix/zabbix_agent2.conf',
+  include_dir           => '/etc/zabbix/zabbix_agent2.d',
+  pidfile               => '/var/run/zabbix/zabbix_agentd2.pid',
+  zabbix_package_agent  => 'zabbix-agent2',
+  manage_startup_script => false,
+}
+```
+
 #### Parameters
 
 The following parameters are available in the `zabbix::agent` class:

manifests/agent.pp

@@ -134,6 +134,16 @@
 #    monitored_by_proxy => 'my_proxy_host',
 #    server             => '192.168.1.1',
 #  }
+#
+# @example Using Zabbix Agent 2
+#   class { 'zabbix::agent':
+#     agent_configfile_path => '/etc/zabbix/zabbix_agent2.conf',
+#     include_dir           => '/etc/zabbix/zabbix_agent2.d',
+#     pidfile               => '/var/run/zabbix/zabbix_agentd2.pid',
+#     zabbix_package_agent  => 'zabbix-agent2',
+#     manage_startup_script => false,
+#   }
+#
 # @author Werner Dijkerman [email protected]
 class zabbix::agent (
   $zabbix_version                                      = $zabbix::params::zabbix_version,
@@ -219,6 +229,8 @@
   String $service_type                                 = $zabbix::params::service_type,
   Boolean $manage_startup_script                       = $zabbix::params::manage_startup_script,
 ) inherits zabbix::params {
+  $agent2 = $zabbix_package_agent == 'zabbix-agent2'
+
   # Find if listenip is set. If not, we can set to specific ip or
   # to network name. If more than 1 interfaces are available, we
   # can find the ipaddress of this specific interface if listenip

spec/acceptance/agent_spec.rb

@@ -87,4 +87,112 @@ class { 'zabbix::agent':
       end
     end
   end
+
+  describe "zabbix::agent class with agent2 and zabbix_version #{version}" do
+    # <6.0 agent2 packages are not available for ubuntu 22.04
+    next if version < '6.0' && default[:platform] =~ %r{ubuntu-22}
+
+    it 'works idempotently with no errors' do
+      pp = <<-EOS
+      class { 'zabbix::agent':
+        agent_configfile_path => '/etc/zabbix/zabbix_agent2.conf',
+        include_dir           => '/etc/zabbix/zabbix_agent2.d',
+        pidfile               => '/var/run/zabbix/zabbix_agentd2.pid',
+        zabbix_package_agent  => 'zabbix-agent2',
+        manage_startup_script => false,
+        server                => '192.168.20.11',
+        zabbix_package_state  => 'latest',
+        zabbix_version        => '#{version}',
+      }
+      EOS
+
+      prepare_host
+
+      # Run it twice and test for idempotency
+      apply_manifest(pp, catch_failures: true)
+      apply_manifest(pp, catch_changes: true)
+    end
+
+    # do some basic checks
+    describe package('zabbix-agent2') do
+      it { is_expected.to be_installed }
+    end
+
+    describe service('zabbix-agent2') do
+      it { is_expected.to be_running }
+      it { is_expected.to be_enabled }
+    end
+
+    describe file('/etc/zabbix/zabbix_agentd2.conf') do
+      its(:content) { is_expected.not_to match %r{ListenIP=} }
+    end
+
+    context 'With ListenIP set to an IP-Address' do
+      it 'works idempotently with no errors' do
+        pp = <<-EOS
+          class { 'zabbix::agent':
+            agent_configfile_path => '/etc/zabbix/zabbix_agent2.conf',
+            include_dir           => '/etc/zabbix/zabbix_agent2.d',
+            pidfile               => '/var/run/zabbix/zabbix_agentd2.pid',
+            zabbix_package_agent  => 'zabbix-agent2',
+            manage_startup_script => false,
+            server                => '192.168.20.11',
+            zabbix_package_state  => 'latest',
+            listenip              => '127.0.0.1',
+            zabbix_version        => '#{version}',
+          }
+        EOS
+        apply_manifest(pp, catch_failures: true)
+        apply_manifest(pp, catch_changes: true)
+      end
+
+      describe file('/etc/zabbix/zabbix_agent2.conf') do
+        its(:content) { is_expected.to match %r{ListenIP=127.0.0.1} }
+      end
+    end
+
+    context 'With ListenIP set to lo' do
+      it 'works idempotently with no errors' do
+        pp = <<-EOS
+          class { 'zabbix::agent':
+            agent_configfile_path => '/etc/zabbix/zabbix_agent2.conf',
+            include_dir           => '/etc/zabbix/zabbix_agent2.d',
+            pidfile               => '/var/run/zabbix/zabbix_agentd2.pid',
+            zabbix_package_agent  => 'zabbix-agent2',
+            manage_startup_script => false,
+            server                => '192.168.20.11',
+            zabbix_package_state  => 'latest',
+            listenip              => 'lo',
+            zabbix_version        => '#{version}',
+          }
+        EOS
+        apply_manifest(pp, catch_failures: true)
+        apply_manifest(pp, catch_changes: true)
+      end
+
+      context 'With ListenIP set to an IP-Address' do
+        it 'works idempotently with no errors' do
+          pp = <<-EOS
+            class { 'zabbix::agent':
+              agent_configfile_path => '/etc/zabbix/zabbix_agent2.conf',
+              include_dir           => '/etc/zabbix/zabbix_agent2.d',
+              pidfile               => '/var/run/zabbix/zabbix_agentd2.pid',
+              zabbix_package_agent  => 'zabbix-agent2',
+              manage_startup_script => false,
+              server                => '192.168.20.11',
+              zabbix_package_state  => 'latest',
+              listenip              => '127.0.0.1',
+              zabbix_version        => '#{version}',
+            }
+          EOS
+          apply_manifest(pp, catch_failures: true)
+          apply_manifest(pp, catch_changes: true)
+        end
+
+        describe file('/etc/zabbix/zabbix_agent2.conf') do
+          its(:content) { is_expected.to match %r{ListenIP=127.0.0.1} }
+        end
+      end
+    end
+  end
 end

spec/classes/agent_spec.rb

@@ -445,6 +445,36 @@
           it { is_expected.to contain_systemd__unit_file('zabbix-agent.service') }
         end
       end
+
+      context 'when binary_location is define', if: facts[:kernel] == 'Linux' do
+        it do
+          is_expected.to contain_zabbix__startup(service_name).with(
+            binary_location: '/usr/sbin/zabbix_agentd'
+          )
+        end
+      end
+
+      context 'when zabbix_package_agent is zabbix-agent2' do
+        let :params do
+          {
+            zabbix_package_agent: 'zabbix-agent2', startagents: 1,
+            maxlinespersecond: 1, allowroot: 1, zabbix_user: 'root',
+            loadmodulepath: '/tmp', allowkey: 'system.run[*]',
+            denykey: 'system.run[*]', enableremotecommands: 1,
+            logremotecommands: 1
+          }
+        end
+
+        it { is_expected.to contain_package('zabbix-agent2') }
+
+        it do
+          is_expected.not_to contain_file(config_path).with_content(
+            %r{^(LogRemoteCommands|StartAgents|MaxLinesPerSecond
+                 |AllowRoot|User|LoadModulePath|AllowKey|DenyKey|
+                 EnableRemoteCommands|LogRemoteCommands)}
+          )
+        end
+      end
     end
   end
 end

templates/zabbix_agentd.conf.erb

@@ -48,6 +48,8 @@ DebugLevel=<%= @debuglevel %>
 #
 <% if @sourceip %>SourceIP=<%= @sourceip %><% end %>
 
+<% unless @agent2 %>
+<%  if @zabbix_version.to_f >= 5.0 %>
 ### Option: AllowKey
 #       Allow execution of item keys matching pattern.
 #       Multiple keys matching rules may be defined in combination with DenyKey.
@@ -57,7 +59,7 @@ DebugLevel=<%= @debuglevel %>
 #       If no AllowKey or DenyKey rules defined, all keys are allowed.
 #
 # Mandatory: no
-<% if @allowkey %>AllowKey=<%= @allowkey -%><% end %>
+<%    if @allowkey %>AllowKey=<%= @allowkey -%><% end %>
 
 ### Option: DenyKey
 #       Deny execution of items keys matching pattern.
@@ -70,14 +72,23 @@ DebugLevel=<%= @debuglevel %>
 #
 # Mandatory: no
 # Default:
-<% if @denykey %>DenyKey=<%= @denykey -%><% end %>
+<%    if @denykey %>DenyKey=<%= @denykey -%><% end %>
+<%  end %>
+
+### Option: EnableRemoteCommands
+#	Whether remote commands from Zabbix server are allowed.
+#	0 - not allowed
+#	1 - allowed
+#
+EnableRemoteCommands=<%= @enableremotecommands %>
 
 ### Option: LogRemoteCommands
 #	Enable logging of executed shell commands as warnings.
 #	0 - disabled
 #	1 - enabled
 #
 LogRemoteCommands=<%= @logremotecommands %>
+<% end %>
 
 
 ##### Passive checks related
@@ -100,11 +111,13 @@ ListenPort=<%= @listenport %>
 #
 <% if @listen_ip %>ListenIP=<%= @listen_ip %><% end %>
 
+<% unless @agent2 %>
 ### Option: StartAgents
 #	Number of pre-forked instances of zabbix_agentd that process passive checks.
 #	If set to 0, disables passive checks and the agent will not listen on any TCP port.
 #
 StartAgents=<%= @startagents %>
+<% end %>
 
 ##### Active checks related
 
@@ -181,13 +194,15 @@ BufferSend=<%= @buffersend %>
 #
 BufferSize=<%= @buffersize %>
 
+<% unless @agent2 %>
 ### Option: MaxLinesPerSecond
 #	Maximum number of new lines the agent will send per second to Zabbix Server
 #	or Proxy processing 'log' and 'logrt' active checks.
 #	The provided value will be overridden by the parameter 'maxlines',
 #	provided in 'log' or 'logrt' item keys.
 #
 MaxLinesPerSecond=<%= @maxlinespersecond %>
+<% end %>
 
 ############ ADVANCED PARAMETERS #################
 
@@ -211,7 +226,7 @@ MaxLinesPerSecond=<%= @maxlinespersecond %>
 #
 Timeout=<%= @timeout %>
 
-<% if @kernel != 'windows' %>
+<% if @kernel != 'windows' and !@agent2 %>
 ### Option: AllowRoot
 #	Allow the agent to run as 'root'. If disabled and the agent is started by 'root', the agent
 #	will try to switch to the user specified by the User configuration option instead.
@@ -220,9 +235,7 @@ Timeout=<%= @timeout %>
 #	1 - allow
 #
 AllowRoot=<%= @allowroot %>
-<% end %>
 
-<% if @kernel != 'windows' %>
 ### Option: User
 #	Drop privileges to a specific, existing user on the system.
 #	Only has effect if run as 'root' and AllowRoot is disabled.
@@ -257,7 +270,7 @@ UnsafeUserParameters=<%= @unsafeuserparameters %>
 # 	Disabled. A configuration file should be placed on directory: <%= @include %>
 
 ####### LOADABLE MODULES #######
-<% if @kernel != 'windows' %>
+<% if @kernel != 'windows' and !@agent2 %>
 ### Option: LoadModulePath
 #	Full path to location of agent modules.
 #	Default depends on compilation options.