add support for RedHat

README.md

@@ -46,6 +46,16 @@ optional.
 
 The available parameters are the following:
 
+#### Note on parameters with RedHat OSFamily:
+The following parameters do not work with RedHat based systems:
+```puppet
+mdadm { $name :
+    ...
+    generate_conf    => $generate_conf,
+    update_initramfs => $update_initramfs,
+  }
+```
+
 ### Parameters
 *See puppet doc*
 

lib/puppet/provider/mdadm/mdadm.rb → lib/puppet/provider/mdadm/mdadm_debian.rb

@@ -2,7 +2,8 @@
 
 Puppet::Type.type(:mdadm).provide(:mdadm) do
   desc "Manage Md raid devices"
-
+  confine :osfamily => [:debian]
+
   commands  :mdadm_cmd => 'mdadm',
             :mkconf => '/usr/share/mdadm/mkconf',
             :yes => 'yes',

lib/puppet/provider/mdadm/mdadm_redhat.rb

@@ -0,0 +1,60 @@
+require 'puppet'
+
+Puppet::Type.type(:mdadm).provide(:mdadm) do
+  desc "Manage Md raid devices"
+  confine :osfamily => [:redhat]
+
+  commands  :mdadm_cmd => 'mdadm',
+            :yes => 'yes'
+
+  def create
+    cmd = [command(:mdadm_cmd)]
+    cmd << "--create"
+    cmd << "-e #{resource[:metadata]}"
+    cmd << resource.name
+    cmd << "--level=#{resource[:level]}"
+    cmd << "--raid-devices=#{resource[:active_devices] || resource[:devices].size}"
+    cmd << "--spare-devices=#{resource[:spare_devices]}" if resource[:spare_devices]
+    cmd << "--parity=#{resource[:parity]}" if resource[:parity]
+    cmd << "--chunk=#{resource[:chunk]}" if resource[:chunk]
+    cmd << resource[:devices]
+
+    if resource[:force]
+      cmd.unshift(command(:yes), "|")
+    end
+
+    execute(cmd.join(" "))
+  end
+
+  def assemble
+    cmd = [command(:mdadm_cmd)]
+    cmd << "--assemble"
+    cmd << resource.name
+    cmd << resource[:devices]
+    execute(cmd)
+  end
+
+  def stop
+    cmd = [command(:mdadm_cmd)]
+    cmd << "--misc"
+    cmd << "--stop"
+    cmd << resource.name
+    execute(cmd)
+  end
+
+  def exists?
+    device_not_found = 4
+    begin
+      execute([command(:mdadm_cmd), "--detail", "--test", resource.name])
+      debug "Device #{resource.name} found"
+      return ($CHILD_STATUS.exitstatus == 0)
+    rescue Puppet::ExecutionFailure
+      if ($CHILD_STATUS.exitstatus == device_not_found)
+        debug "Device #{resource.name} not found"
+        return false
+      else
+        raise
+      end
+    end
+  end
+end

manifests/config.pp

@@ -5,7 +5,7 @@
 class mdadm::config {
 
   if ($mdadm::include_cron) {
-    file { '/etc/cron.d/mdadm' :
+    file { $mdadm::params::cron_name :
       ensure => 'present',
     }
   }

manifests/params.pp

@@ -18,9 +18,20 @@
         $service_hasstatus = true
       }
       $include_cron = true
+      $cron_name = '/etc/cron.d/mdadm'
+    }
+    'RedHat': {
+      $package_name = 'mdadm'
+      $package_ensure = 'present'
+      $service_name = 'mdmonitor'
+      $service_ensure = 'stopped'
+      $service_manage = false
+      $service_hasstatus = true
+      $include_cron = true
+      $cron_name = '/etc/cron.d/raid-check'
     }
     default: {
-      fail("${::operatingsystem} not supported")
+      fail(" osfamily: ${::osfamily}, operatingsystem: ${::operatingsystem} not supported")
     }
   }
 }