+ def lvm_devices
+ {
+ :pvs => find_lvm_pvs,
+ :vgs => find_lvm_vgs,
+ :lvs => find_lvm_lvs
+ }
+ end
+
+ def find_lvm_pvs
+ IO.popen(["pvdisplay", "-c"]).each_with_object({}) do |line, pvs|
+ fields = line.strip.split(":")
+
+ pvs[fields[0]] = {
+ :vg => fields[1],
+ :pv_size => fields[2],
+ :pv_status => fields[4],
+ :pe_size => fields[7],
+ :pe_total => fields[8],
+ :pe_free => fields[9],
+ :pe_allocated => fields[10],
+ :pv_uuid => fields[11]
+ }
+ end
+ end
+
+ def find_lvm_vgs
+ IO.popen(["vgdisplay", "-c"]).each_with_object({}) do |line, vgs|
+ fields = line.strip.split(":")
+
+ vgs[fields[0]] = {
+ :vg_access => fields[1],
+ :vg_status => fields[2],
+ :lv_maximum => fields[4],
+ :lv_count => fields[5],
+ :lv_open => fields[6],
+ :pv_maximum => fields[8],
+ :pv_current => fields[9],
+ :pv_actual => fields[10],
+ :vg_size => fields[11],
+ :pe_size => fields[12],
+ :pe_total => fields[13],
+ :pe_allocated => fields[14],
+ :pe_free => fields[15],
+ :vg_uuid => fields[16]
+ }
+ end
+ end
+
+ def find_lvm_lvs
+ IO.popen(["lvdisplay", "-c"]).each_with_object({}) do |line, lvs|
+ fields = line.strip.split(":")
+
+ lvs[fields[0]] = {
+ :vg => fields[1],
+ :lv_access => fields[2],
+ :lv_status => fields[3],
+ :lv_open => fields[5],
+ :lv_size => fields[6],
+ :le_count => fields[7],
+ :lv_minor => fields[11],
+ :lv_major => fields[12]
+ }
+ end
+ end
+
+ def psu_devices
+ device = nil
+
+ IO.popen(["dmidecode", "-t", "39"]).each_with_object([]) do |line, devices|
+ if line =~ /^System Power Supply\s*$/
+ device = {}
+ elsif device && line =~ /^\s+([A-Z ]+):\s+(.*)\s*$/i
+ device[Regexp.last_match(1).tr(" ", "_").downcase.to_sym] = Regexp.last_match(2).strip
+ elsif device && line =~ /^\s*$/
+ devices << device
+ device = nil
+ end
+ end
+ end
+
+ def mc_device
+ device = {}
+
+ IO.popen(["ipmitool", "mc", "info"]).each_with_object([]) do |line, devices|
+ if line =~ /(Manufacturer [A-Z ]+[A-Z])\s*:\s+(.*\S)\s+\(.*\)\s*$/i
+ device[Regexp.last_match(1).tr(" ", "_").downcase.to_sym] = Regexp.last_match(2)
+ elsif line =~ /(Product [A-Z ]+[A-Z])\s*:\s+(.*\S)\s+\(.*\)\s*$/i
+ device[Regexp.last_match(1).tr(" ", "_").downcase.to_sym] = Regexp.last_match(2)
+ elsif line =~ /([A-Z ]+[A-Z])\s*:\s+(.*\S)\s*$/i
+ device[Regexp.last_match(1).tr(" ", "_").downcase.to_sym] = Regexp.last_match(2)
+ end
+ end
+
+ IO.popen(["ipmitool", "mc", "guid"]).each_with_object([]) do |line, devices|
+ if line =~ /^System GUID\s*:\s+(\S+)\s*$/
+ device[:system_guid] = Regexp.last_match(1)
+ end
+ end
+
+ device
+ end
+