+disks = disks.map do |disk|
+ next if disk[:state] == "spun_down" || %w[unconfigured failed].any?(disk[:status])
+
+ if disk[:smart_device]
+ controller = node[:hardware][:disk][:controllers][disk[:controller]]
+
+ if controller && controller[:device]
+ device = controller[:device].sub("/dev/", "")
+ smart = disk[:smart_device]
+
+ if device.start_with?("cciss/") && smart =~ /^cciss,(\d+)$/
+ array = node[:hardware][:disk][:arrays][disk[:arrays].first]
+ munin = "cciss-3#{array[:wwn]}-#{Regexp.last_match(1)}"
+ elsif smart =~ /^.*,(\d+)$/
+ munin = "#{device}-#{Regexp.last_match(1)}"
+ elsif smart =~ %r{^.*,(\d+)/(\d+)$}
+ munin = "#{device}-#{Regexp.last_match(1)}:#{Regexp.last_match(2)}"
+ end
+ elsif disk[:device]
+ device = disk[:device].sub("/dev/", "")
+ smart = disk[:smart_device]
+
+ if smart =~ /^.*,(\d+),(\d+),(\d+)$/
+ munin = "#{device}-#{Regexp.last_match(1)}:#{Regexp.last_match(2)}:#{Regexp.last_match(3)}"
+ end
+ end
+ elsif disk[:device] =~ %r{^/dev/(nvme\d+)n\d+$}
+ device = Regexp.last_match(1)
+ munin = device
+ elsif disk[:device]
+ device = disk[:device].sub("/dev/", "")
+ munin = device
+ end
+
+ next if device.nil?
+
+ Hash[
+ :device => device,
+ :smart => smart,
+ :munin => munin,
+ :hddtemp => munin.tr("-:", "_")
+ ]
+end
+
+disks = disks.compact.uniq
+
+if disks.count.positive?
+ package "smartmontools"
+
+ template "/etc/cron.daily/update-smart-drivedb" do
+ source "update-smart-drivedb.erb"
+ owner "root"
+ group "root"
+ mode "755"
+ end
+
+ template "/usr/local/bin/smartd-mailer" do
+ source "smartd-mailer.erb"
+ owner "root"
+ group "root"
+ mode "755"
+ end
+
+ template "/etc/smartd.conf" do
+ source "smartd.conf.erb"
+ owner "root"
+ group "root"
+ mode "644"
+ variables :disks => disks
+ end
+
+ template "/etc/default/smartmontools" do
+ source "smartmontools.erb"
+ owner "root"
+ group "root"
+ mode "644"
+ end
+
+ service "smartmontools" do
+ action [:enable, :start]
+ subscribes :reload, "template[/etc/smartd.conf]"
+ subscribes :restart, "template[/etc/default/smartmontools]"
+ end
+
+ template "/etc/prometheus/collectors/smart.devices" do
+ source "smart.devices.erb"
+ owner "root"
+ group "root"
+ mode "644"
+ variables :disks => disks
+ end
+
+ prometheus_collector "smart" do
+ interval "15m"
+ end
+
+ # Don't try and do munin monitoring of disks behind
+ # an Areca controller as they only allow one thing to
+ # talk to the controller at a time and smartd will
+ # throw errors if it clashes with munin
+ disks = disks.reject { |disk| disk[:smart]&.start_with?("areca,") }
+
+ disks.each do |disk|
+ munin_plugin "smart_#{disk[:munin]}" do
+ target "smart_"
+ conf "munin.smart.erb"
+ conf_variables :disk => disk
+ end
+ end
+else
+ service "smartd" do
+ action [:stop, :disable]
+ end
+end
+
+if disks.count.positive?
+ munin_plugin "hddtemp_smartctl" do
+ conf "munin.hddtemp.erb"
+ conf_variables :disks => disks