smtpd: Add initial support for CentOS/RHEL 6

smtpd/files/smtpd.conf.CentOS

@@ -0,0 +1,5 @@
+listen on localhost
+
+table aliases db:/etc/aliases.db
+
+include "/etc/opensmtpd/smtpd.conf.local"

smtpd/files/smtpd.conf.RedHat

@@ -0,0 +1,5 @@
+listen on localhost
+
+table aliases db:/etc/aliases.db
+
+include "/etc/opensmtpd/smtpd.conf.local"

smtpd/manifests/init.pp

@@ -14,43 +14,93 @@ class smtpd {
         $relay = "smtp+tls://${mail_server}"
     }
 
-    file { "/etc/mailer.conf":
+    case $::operatingsystem {
+        "centos","redhat": {
+            if versioncmp($::operatingsystemrelease, "6") < 0 {
+                fail("smtpd requires atleast ${::operatingsystem} 6")
+            }
+
+            $package = "opensmtpd"
+            $service = "opensmtpd"
+            $confdir = "/etc/opensmtpd"
+
+            package { $package:
+                ensure => installed,
+                before => [
+                    File["${confdir}/smtpd.conf"],
+                    File["${confdir}/smtpd.conf.local"],
+                ],
+            }
+
+            exec { "/usr/sbin/alternatives --set mta /usr/sbin/sendmail.opensmtpd":
+                refreshonly => true,
+                subscribe   => Package[$package],
+                before      => Service[$service],
+            }
+
+            service { [ "postfix", "sendmail" ]:
+                ensure => stopped,
+                enable => false,
+                before => Service[$service],
+            }
+
+        }
+        "openbsd": {
+            $package = undef
+            $service = "smtpd"
+            $confdir = "/etc/mail"
+
+            file { "/etc/mailer.conf":
+                ensure => present,
+                mode   => "0644",
+                owner  => "root",
+                group  => "wheel",
+                source => "puppet:///modules/smtpd/mailer.conf",
+                before => Service[$service],
+            }
+
+            service { "sendmail":
+                ensure => stopped,
+                enable => false,
+                before => Service[$service],
+            }
+        }
+        default: {
+            fail("smtpd not supported on ${::operatingsystem}")
+        }
+    }
+
+    file { "${confdir}/smtpd.conf":
         ensure => present,
         mode   => "0644",
         owner  => "root",
-        group  => "wheel",
-        source => "puppet:///modules/smtpd/mailer.conf",
-        before => Service["smtpd"],
+        group  => $::operatingsystem ? {
+            "openbsd" => "wheel",
+            default   => "root",
+        },
+        source => "puppet:///modules/smtpd/smtpd.conf.${::operatingsystem}",
+        notify => Service[$service],
     }
 
-    file { "/etc/mail/smtpd.conf":
+    file { "${confdir}/smtpd.conf.local":
         ensure  => present,
         mode    => "0644",
         owner   => "root",
-        group   => "wheel",
-        source  => "puppet:///modules/smtpd/smtpd.conf",
-        notify  => Service["smtpd"],
-    }
-
-    file { "/etc/mail/smtpd.conf.local":
-        ensure  => present,
-        mode    => "0644",
-        owner   => "root",
-        group   => "wheel",
+        group   => $::operatingsystem ? {
+            "openbsd" => "wheel",
+            default   => "root",
+        },
         content => template("smtpd/client.conf.erb"),
-        notify  => Service["smtpd"],
+        notify  => Service[$service],
     }
 
-    service { "sendmail":
-        ensure => stopped,
-        enable => false,
-        before => Service["smtpd"],
-    }
-
-    service { "smtpd":
+    service { $service:
         ensure => running,
         enable => true,
-        start  => "/usr/sbin/smtpd",
+        start  => $::operatingsystem ? {
+            "openbsd" => "/usr/sbin/smtpd",
+            default   => undef,
+        },
     }
 
 }
@@ -89,10 +139,14 @@ class smtpd::server(
     $gecos=false,
     $domains=undef,
     $virtual=undef,
-    $ssl_key="${puppet_ssldir}/private_keys/${homename}.pem",
-    $ssl_cert="${puppet_ssldir}/certs/${homename}.pem"
+    $ssl_key="${::puppet_ssldir}/private_keys/${::homename}.pem",
+    $ssl_cert="${::puppet_ssldir}/certs/${::homename}.pem"
 ) inherits smtpd {
 
+    if $::operatingsystem != "OpenBSD" {
+        fail("smtpd::server only supported on OpenBSD")
+    }
+
     include procmail
 
     procmail::rc { "00-default.rc":
@@ -209,6 +263,8 @@ class smtpd::server(
 }
 
 
+# Install alias mapping for domain.
+#
 define smtpd::aliases($gecos) {
 
     file { "/etc/mail/aliases.${name}":
@@ -237,6 +293,8 @@ define smtpd::aliases($gecos) {
 }
 
 
+# Install virtual user mapping for domain.
+#
 define smtpd::virtual() {
 
     file { "/etc/mail/virtual.${name}":