Replace isdct with intelmas

[chef.git] / cookbooks / hardware / recipes / default.rb

diff --git a/cookbooks/hardware/recipes/default.rb b/cookbooks/hardware/recipes/default.rb
index 1d5be55cc3b9b304763cd6e283596aa2b51e13d9..b1d7caf0b88e61b9d9256a31ca46d487d0b1e8b4 100644 (file)
--- a/cookbooks/hardware/recipes/default.rb
+++ b/cookbooks/hardware/recipes/default.rb
@@ -1,14 +1,14 @@
 #
 #

-# Cookbook Name:: hardware
+# Cookbook:: hardware

 # Recipe:: default
 #
 # Recipe:: default
 #

-# Copyright 2012, OpenStreetMap Foundation
+# Copyright:: 2012, OpenStreetMap Foundation

 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
 #
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
 #

-#     http://www.apache.org/licenses/LICENSE-2.0
+#     https://www.apache.org/licenses/LICENSE-2.0

 #
 # Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 #
 # Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,


@@ -17,8 +17,12 @@
 # limitations under the License.
 #
 
 # limitations under the License.
 #
 

-include_recipe "tools"
+include_recipe "apt"
+include_recipe "git"

 include_recipe "munin"
 include_recipe "munin"

+include_recipe "prometheus"
+include_recipe "sysfs"
+include_recipe "tools"

 
 ohai_plugin "hardware" do
   template "ohai.rb.erb"
 
 ohai_plugin "hardware" do
   template "ohai.rb.erb"


@@ -47,7 +51,7 @@ end
 
 units = []
 
 
 units = []
 

-if node[:roles].include?("bytemark") || node[:roles].include?("exonetric")
+if node[:roles].include?("bytemark") || node[:roles].include?("exonetric") || node[:roles].include?("prgmr")

   units << "0"
 end
 
   units << "0"
 end
 


@@ -55,11 +59,8 @@ case manufacturer
 when "HP"
   package "hponcfg"
 
 when "HP"
   package "hponcfg"
 

-  # Downgrade hp-health to 10.0.0.1.3-4. as 10.40-1815.49 has issues with reliable startup

   package "hp-health" do
     action :install
   package "hp-health" do
     action :install

-    version "10.0.0.1.3-4."
-    options "--force-yes"

     notifies :restart, "service[hp-health]"
   end
 
     notifies :restart, "service[hp-health]"
   end
 


@@ -68,60 +69,52 @@ when "HP"
     supports :status => true, :restart => true
   end
 
     supports :status => true, :restart => true
   end
 

+  if product.end_with?("Gen8", "Gen9")
+    package "hp-ams" do
+      action :install
+      notifies :restart, "service[hp-ams]"
+    end
+
+    service "hp-ams" do
+      action [:enable, :start]
+      supports :status => true, :restart => true
+    end
+  end
+

   units << "1"
 when "TYAN"
   units << "0"
 when "TYAN Computer Corporation"
   units << "0"
 when "Supermicro"
   units << "1"
 when "TYAN"
   units << "0"
 when "TYAN Computer Corporation"
   units << "0"
 when "Supermicro"

-  case product
-  when "H8DGU", "X9SCD", "X7DBU", "X7DW3", "X9DR7/E-(J)LN4F", "X9DR3-F", "X9DRW", "SYS-2028U-TN24R4T+", "Super Server"
-    units << "1"
-  else
-    units << "0"
-  end
+  units << "1"

 when "IBM"
   units << "0"
 when "IBM"
   units << "0"

-end
+when "VMware, Inc."
+  package "open-vm-tools"

 
 

-# Remove legacy HP G4 support which breaks modern hp-health 10.4
-if manufacturer == "HP"
-  %w[/opt/hp/hp-health/bin/hpasmd /usr/lib/libhpasmintrfc.so.3.0 %/usr/lib/libhpasmintrfc.so.3 /usr/lib/libhpasmintrfc.so].each do |filename|
-    file filename do
-      action :delete
-    end
+  # Remove timeSync plugin completely
+  # https://github.com/vmware/open-vm-tools/issues/302
+  file "/usr/lib/open-vm-tools/plugins/vmsvc/libtimeSync.so" do
+    action :delete
+    notifies :restart, "service[open-vm-tools]"

   end
 
   end
 

-  directory "/opt/hp/hp-legacy" do
-    action :delete
-    recursive true
+  # Attempt to tell Host we are not interested in timeSync
+  execute "vmware-toolbox-cmd-timesync-disable" do
+    command "/usr/bin/vmware-toolbox-cmd timesync disable"
+    ignore_failure true
+  end
+
+  service "open-vm-tools" do
+    action [:enable, :start]
+    supports :status => true, :restart => true

   end
 end
 
 units.sort.uniq.each do |unit|
   end
 end
 
 units.sort.uniq.each do |unit|

-  if node[:lsb][:release].to_f >= 16.04
-    service "serial-getty@ttyS#{unit}" do
-      action [:enable, :start]
-    end
-  else
-    file "/etc/init/ttySttyS#{unit}.conf" do
-      action :delete
-    end
-
-    template "/etc/init/ttyS#{unit}.conf" do
-      source "tty.conf.erb"
-      owner "root"
-      group "root"
-      mode 0o644
-      variables :unit => unit
-    end
-
-    service "ttyS#{unit}" do
-      provider Chef::Provider::Service::Upstart
-      action [:enable, :start]
-      supports :status => true, :restart => true, :reload => false
-      subscribes :restart, "template[/etc/init/ttyS#{unit}.conf]"
-    end
+  service "serial-getty@ttyS#{unit}" do
+    action [:enable, :start]

   end
 end
 
   end
 end
 


@@ -135,6 +128,7 @@ if node[:hardware][:grub][:kernel]
   package "linux-image-#{kernel_version}-generic"
   package "linux-image-extra-#{kernel_version}-generic"
   package "linux-headers-#{kernel_version}-generic"
   package "linux-image-#{kernel_version}-generic"
   package "linux-image-extra-#{kernel_version}-generic"
   package "linux-headers-#{kernel_version}-generic"

+  package "linux-tools-#{kernel_version}-generic"

 
   boot_device = IO.popen(["df", "/boot"]).readlines.last.split.first
   boot_uuid = IO.popen(["blkid", "-o", "value", "-s", "UUID", boot_device]).readlines.first.chomp
 
   boot_device = IO.popen(["df", "/boot"]).readlines.last.split.first
   boot_uuid = IO.popen(["blkid", "-o", "value", "-s", "UUID", boot_device]).readlines.first.chomp


@@ -147,13 +141,14 @@ if File.exist?("/etc/default/grub")
   execute "update-grub" do
     action :nothing
     command "/usr/sbin/update-grub"
   execute "update-grub" do
     action :nothing
     command "/usr/sbin/update-grub"

+    not_if { ENV["TEST_KITCHEN"] }

   end
 
   template "/etc/default/grub" do
     source "grub.erb"
     owner "root"
     group "root"
   end
 
   template "/etc/default/grub" do
     source "grub.erb"
     owner "root"
     group "root"

-    mode 0o644
+    mode "644"

     variables :units => units, :entry => grub_entry
     notifies :run, "execute[update-grub]"
   end
     variables :units => units, :entry => grub_entry
     notifies :run, "execute[update-grub]"
   end


@@ -170,7 +165,7 @@ template "/etc/initramfs-tools/conf.d/mdadm" do
   source "initramfs-mdadm.erb"
   owner "root"
   group "root"
   source "initramfs-mdadm.erb"
   owner "root"
   group "root"

-  mode 0o644
+  mode "644"

   notifies :run, "execute[update-initramfs]"
 end
 
   notifies :run, "execute[update-initramfs]"
 end
 


@@ -179,21 +174,20 @@ service "haveged" do
   action [:enable, :start]
 end
 
   action [:enable, :start]
 end
 

-package "ipmitool" if node[:kernel][:modules].include?("ipmi_si")
+if node[:kernel][:modules].include?("ipmi_si")
+  package "ipmitool"
+  package "freeipmi-tools"

 
 

-package "irqbalance"
-
-template "/etc/default/irqbalance" do
-  source "irqbalance.erb"
-  owner "root"
-  group "root"
-  mode 0o644
+  prometheus_exporter "ipmi" do
+    port 9290
+  end

 end
 
 end
 

+package "irqbalance"
+

 service "irqbalance" do
   action [:start, :enable]
   supports :status => false, :restart => true, :reload => false
 service "irqbalance" do
   action [:start, :enable]
   supports :status => false, :restart => true, :reload => false

-  subscribes :restart, "template[/etc/default/irqbalance]"

 end
 
 # Link Layer Discovery Protocol Daemon
 end
 
 # Link Layer Discovery Protocol Daemon


@@ -206,47 +200,53 @@ end
 tools_packages = []
 status_packages = {}
 
 tools_packages = []
 status_packages = {}
 

-node[:kernel][:modules].each_key do |modname|
-  case modname
-  when "cciss"
-    tools_packages << "hpssacli"
-    status_packages["cciss-vol-status"] ||= []
-  when "hpsa"
-    tools_packages << "hpssacli"
-    status_packages["cciss-vol-status"] ||= []
-  when "mptsas"
-    tools_packages << "lsiutil"
-    status_packages["mpt-status"] ||= []
-  when "mpt2sas", "mpt3sas"
-    tools_packages << "sas2ircu"
-    status_packages["sas2ircu-status"] ||= []
-  when "megaraid_mm"
-    tools_packages << "megactl"
-    status_packages["megaraid-status"] ||= []
-  when "megaraid_sas"
-    tools_packages << "megacli"
-    status_packages["megaclisas-status"] ||= []
-  when "aacraid"
-    tools_packages << "arcconf"
-    status_packages["aacraid-status"] ||= []
-  when "arcmsr"
-    tools_packages << "areca"
+if node[:virtualization][:role] != "guest" ||
+   (node[:virtualization][:system] != "lxc" &&
+    node[:virtualization][:system] != "lxd" &&
+    node[:virtualization][:system] != "openvz")
+
+  node[:kernel][:modules].each_key do |modname|
+    case modname
+    when "cciss"
+      tools_packages << "ssacli"
+      status_packages["cciss-vol-status"] ||= []
+    when "hpsa"
+      tools_packages << "ssacli"
+      status_packages["cciss-vol-status"] ||= []
+    when "mptsas"
+      tools_packages << "lsiutil"
+      status_packages["mpt-status"] ||= []
+    when "mpt2sas", "mpt3sas"
+      tools_packages << "sas2ircu"
+      status_packages["sas2ircu-status"] ||= []
+    when "megaraid_mm"
+      tools_packages << "megactl"
+      status_packages["megaraid-status"] ||= []
+    when "megaraid_sas"
+      tools_packages << "megacli"
+      status_packages["megaclisas-status"] ||= []
+    when "aacraid"
+      tools_packages << "arcconf"
+      status_packages["aacraid-status"] ||= []
+    when "arcmsr"
+      tools_packages << "areca"
+    end

   end
   end

-end

 
 

-node[:block_device].each do |name, attributes|
-  next unless attributes[:vendor] == "HP" && attributes[:model] == "LOGICAL VOLUME"
+  node[:block_device].each do |name, attributes|
+    next unless attributes[:vendor] == "HP" && attributes[:model] == "LOGICAL VOLUME"

 
 

-  if name =~ /^cciss!(c[0-9]+)d[0-9]+$/
-    status_packages["cciss-vol-status"] |= ["cciss/#{Regexp.last_match[1]}d0"]
-  else
-    Dir.glob("/sys/block/#{name}/device/scsi_generic/*").each do |sg|
-      status_packages["cciss-vol-status"] |= [File.basename(sg)]
+    if name =~ /^cciss!(c[0-9]+)d[0-9]+$/
+      status_packages["cciss-vol-status"] |= ["cciss/#{Regexp.last_match[1]}d0"]
+    else
+      Dir.glob("/sys/block/#{name}/device/scsi_generic/*").each do |sg|
+        status_packages["cciss-vol-status"] |= [File.basename(sg)]
+      end

     end
   end
 end
 
     end
   end
 end
 

-%w[hpssacli lsiutil sas2ircu megactl megacli arcconf].each do |tools_package|
+%w[ssacli lsiutil sas2ircu megactl megacli arcconf].each do |tools_package|

   if tools_packages.include?(tools_package)
     package tools_package
   else
   if tools_packages.include?(tools_package)
     package tools_package
   else


@@ -261,9 +261,11 @@ if tools_packages.include?("areca")
 
   git "/opt/areca" do
     action :sync
 
   git "/opt/areca" do
     action :sync

-    repository "git://chef.openstreetmap.org/areca.git"
+    repository "https://git.openstreetmap.org/private/areca.git"
+    depth 1

     user "root"
     group "root"
     user "root"
     group "root"

+    not_if { ENV["TEST_KITCHEN"] }

   end
 else
   directory "/opt/areca" do
   end
 else
   directory "/opt/areca" do


@@ -272,7 +274,35 @@ else
   end
 end
 
   end
 end
 

-["cciss-vol-status", "mpt-status", "sas2ircu-status", "megaraid-status", "megaclisas-status", "aacraid-status"].each do |status_package|
+if status_packages.include?("cciss-vol-status")
+  template "/usr/local/bin/cciss-vol-statusd" do
+    source "cciss-vol-statusd.erb"
+    owner "root"
+    group "root"
+    mode "755"
+    notifies :restart, "service[cciss-vol-statusd]"
+  end
+
+  systemd_service "cciss-vol-statusd" do
+    description "Check cciss_vol_status values in the background"
+    exec_start "/usr/local/bin/cciss-vol-statusd"
+    private_tmp true
+    protect_system "full"
+    protect_home true
+    no_new_privileges true
+    notifies :restart, "service[cciss-vol-statusd]"
+  end
+else
+  systemd_service "cciss-vol-statusd" do
+    action :delete
+  end
+
+  template "/usr/local/bin/cciss-vol-statusd" do
+    action :delete
+  end
+end
+
+%w[cciss-vol-status mpt-status sas2ircu-status megaraid-status megaclisas-status aacraid-status].each do |status_package|

   if status_packages.include?(status_package)
     package status_package
 
   if status_packages.include?(status_package)
     package status_package
 


@@ -280,7 +310,7 @@ end
       source "raid.default.erb"
       owner "root"
       group "root"
       source "raid.default.erb"
       owner "root"
       group "root"

-      mode 0o644
+      mode "644"

       variables :devices => status_packages[status_package]
     end
 
       variables :devices => status_packages[status_package]
     end
 


@@ -318,49 +348,61 @@ intel_nvmes = nvmes.select { |pci| pci[:vendor_name] == "Intel Corporation" }
 
 if !intel_ssds.empty? || !intel_nvmes.empty?
   package "unzip"
 
 if !intel_ssds.empty? || !intel_nvmes.empty?
   package "unzip"

-  package "alien"

 
 

-  remote_file "#{Chef::Config[:file_cache_path]}/DataCenterTool_3_0_0_Linux.zip" do
-    source "https://downloadmirror.intel.com/23931/eng/DataCenterTool_3_0_0_Linux.zip"
+  intel_mas_tool_version = "1.4"
+  intel_mas_package_version = "#{intel_mas_tool_version}.102-0"
+
+  remote_file "#{Chef::Config[:file_cache_path]}/Intel_MAS_CLI_Tool_#{intel_mas_tool_version}_Linux.zip" do
+    source "https://downloadmirror.intel.com/30059/eng/Intel%C2%AE_MAS_CLI_Tool_Linux.zip"

   end
 
   end
 

-  execute "unzip-DataCenterTool" do
-    command "unzip DataCenterTool_3_0_0_Linux.zip isdct-3.0.0.400-15.x86_64.rpm"
+  execute "#{Chef::Config[:file_cache_path]}/Intel_MAS_CLI_Tool_#{intel_mas_tool_version}_Linux.zip" do
+    command "unzip Intel_MAS_CLI_Tool_#{intel_mas_tool_version}_Linux.zip intelmas_#{intel_mas_package_version}_amd64.deb"

     cwd Chef::Config[:file_cache_path]
     user "root"
     group "root"
     cwd Chef::Config[:file_cache_path]
     user "root"
     group "root"

-    not_if { File.exist?("#{Chef::Config[:file_cache_path]}/isdct-3.0.0.400-15.x86_64.rpm") }
+    not_if { ::File.exist?("#{Chef::Config[:file_cache_path]}/intelmas_#{intel_mas_package_version}_amd64.deb") }

   end
 
   end
 

-  execute "alien-isdct" do
-    command "alien --to-deb isdct-3.0.0.400-15.x86_64.rpm"
-    cwd Chef::Config[:file_cache_path]
-    user "root"
-    group "root"
-    not_if { File.exist?("#{Chef::Config[:file_cache_path]}/isdct_3.0.0.400-16_amd64.deb") }
+  dpkg_package "intelmas" do
+    version "#{intel_mas_package_version}"
+    source "#{Chef::Config[:file_cache_path]}/intelmas_#{intel_mas_package_version}_amd64.deb"

   end
 
   dpkg_package "isdct" do
   end
 
   dpkg_package "isdct" do

-    source "#{Chef::Config[:file_cache_path]}/isdct_3.0.0.400-16_amd64.deb"
+    action :purge

   end
 end
 
 disks = disks.map do |disk|
   end
 end
 
 disks = disks.map do |disk|

-  next if disk[:state] == "spun_down"
+  next if disk[:state] == "spun_down" || %w[unconfigured failed].any?(disk[:status])

 
   if disk[:smart_device]
     controller = node[:hardware][:disk][:controllers][disk[:controller]]
 
   if disk[:smart_device]
     controller = node[:hardware][:disk][:controllers][disk[:controller]]

-    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+)$}
-      munin = "#{device}-#{Regexp.last_match(1)}:#{Regexp.last_match(2)}"
+
+    if controller && controller[:device]
+      device = controller[:device].sub("/dev/", "")
+      smart = disk[:smart_device]
+
+      if device.start_with?("cciss/") && smart =~ /^cciss,(\d+)$/
+        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
     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
   elsif disk[:device]
     device = disk[:device].sub("/dev/", "")
     munin = device


@@ -376,29 +418,30 @@ disks = disks.map do |disk|
   ]
 end
 
   ]
 end
 

-smartd_service = if node[:lsb][:release].to_f >= 16.04
-                   "smartd"
-                 else
-                   "smartmontools"
-                 end
-
-disks = disks.compact
+disks = disks.compact.uniq

 
 if disks.count.positive?
   package "smartmontools"
 
 
 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"
   template "/usr/local/bin/smartd-mailer" do
     source "smartd-mailer.erb"
     owner "root"
     group "root"

-    mode 0o755
+    mode "755"

   end
 
   template "/etc/smartd.conf" do
     source "smartd.conf.erb"
     owner "root"
     group "root"
   end
 
   template "/etc/smartd.conf" do
     source "smartd.conf.erb"
     owner "root"
     group "root"

-    mode 0o644
+    mode "644"

     variables :disks => disks
   end
 
     variables :disks => disks
   end
 


@@ -406,20 +449,32 @@ if disks.count.positive?
     source "smartmontools.erb"
     owner "root"
     group "root"
     source "smartmontools.erb"
     owner "root"
     group "root"

-    mode 0o644
+    mode "644"

   end
 
   end
 

-  service smartd_service do
+  service "smartmontools" do

     action [:enable, :start]
     subscribes :reload, "template[/etc/smartd.conf]"
     subscribes :restart, "template[/etc/default/smartmontools]"
   end
 
     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
   # 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] && disk[:smart].start_with?("areca,") }
+  disks = disks.reject { |disk| disk[:smart]&.start_with?("areca,") }

 
   disks.each do |disk|
     munin_plugin "smart_#{disk[:munin]}" do
 
   disks.each do |disk|
     munin_plugin "smart_#{disk[:munin]}" do


@@ -429,7 +484,7 @@ if disks.count.positive?
     end
   end
 else
     end
   end
 else

-  service smartd_service do
+  service "smartd" do

     action [:stop, :disable]
   end
 end
     action [:stop, :disable]
   end
 end


@@ -452,6 +507,7 @@ plugins = Dir.glob("/etc/munin/plugins/smart_*").map { |p| File.basename(p) } -
 plugins.each do |plugin|
   munin_plugin plugin do
     action :delete
 plugins.each do |plugin|
   munin_plugin plugin do
     action :delete

+    conf "munin.smart.erb"

   end
 end
 
   end
 end
 


@@ -465,7 +521,7 @@ if File.exist?("/etc/mdadm/mdadm.conf")
   file "/etc/mdadm/mdadm.conf" do
     owner "root"
     group "root"
   file "/etc/mdadm/mdadm.conf" do
     owner "root"
     group "root"

-    mode 0o644
+    mode "644"

     content mdadm_conf
   end
 
     content mdadm_conf
   end
 


@@ -479,7 +535,7 @@ template "/etc/modules" do
   source "modules.erb"
   owner "root"
   group "root"
   source "modules.erb"
   owner "root"
   group "root"

-  mode 0o644
+  mode "644"

 end
 
 service "kmod" do
 end
 
 service "kmod" do


@@ -494,7 +550,7 @@ if node[:hardware][:watchdog]
     source "watchdog.erb"
     owner "root"
     group "root"
     source "watchdog.erb"
     owner "root"
     group "root"

-    mode 0o644
+    mode "644"

     variables :module => node[:hardware][:watchdog]
   end
 
     variables :module => node[:hardware][:watchdog]
   end
 


@@ -541,7 +597,24 @@ unless Dir.glob("/sys/class/hwmon/hwmon*").empty?
     source "sensors.conf.erb"
     owner "root"
     group "root"
     source "sensors.conf.erb"
     owner "root"
     group "root"

-    mode 0o644
+    mode "644"

     notifies :run, "execute[/etc/sensors.d/chef.conf]"
   end
 end
     notifies :run, "execute[/etc/sensors.d/chef.conf]"
   end
 end

+
+if node[:hardware][:shm_size]
+  execute "remount-dev-shm" do
+    action :nothing
+    command "/bin/mount -o remount /dev/shm"
+    user "root"
+    group "root"
+  end
+
+  mount "/dev/shm" do
+    action :enable
+    device "tmpfs"
+    fstype "tmpfs"
+    options "rw,nosuid,nodev,size=#{node[:hardware][:shm_size]}"
+    notifies :run, "execute[remount-dev-shm]"
+  end
+end