Module: IDRAC::System

Included in:
Client
Defined in:
lib/idrac/system.rb

Instance Method Summary collapse

Instance Method Details

#clear_system_event_logs ⇒ Object Also known as: clear_sel_log

Clear system event logs



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# File 'lib/idrac/system.rb', line 628

def clear_system_event_logs
  response = authenticated_request(
    :post,
    "/redfish/v1/Managers/iDRAC.Embedded.1/LogServices/Sel/Actions/LogService.ClearLog",
    body: {}.to_json
  )
  
  if response.status.between?(200, 299)
    puts "System Event Logs cleared".green
    return true
  else
    error_message = "Failed to clear System Event Logs. Status code: #{response.status}"
    
    begin
      error_data = JSON.parse(response.body)
      error_message += ", Message: #{error_data['error']['message']}" if error_data['error'] && error_data['error']['message']
    rescue
      # Ignore JSON parsing errors
    end
    
    raise Error, error_message
  end
end

#cpus ⇒ Object

Get processor/CPU information



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# File 'lib/idrac/system.rb', line 540

def cpus
  response = authenticated_request(:get, "/redfish/v1/Systems/System.Embedded.1?$expand=*($levels=1)")
  
  if response.status == 200
    begin
      data = JSON.parse(response.body)
      
      summary = {
        "count" => data.dig("ProcessorSummary", "Count"),
        "model" => data.dig("ProcessorSummary", "Model"),
        "cores" => data.dig("ProcessorSummary", "CoreCount"),
        "threads" => data.dig("ProcessorSummary", "LogicalProcessorCount"),
        "status" => data.dig("ProcessorSummary", "Status", "Health")
      }
      
      return summary
    rescue JSON::ParserError
      raise Error, "Failed to parse processor information: #{response.body}"
    end
  else
    raise Error, "Failed to get processor information. Status code: #{response.status}"
  end
end

#fans ⇒ Object

Get fan information



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# File 'lib/idrac/system.rb', line 77

def fans
  tries = 0
  max_tries = 3
  
  while tries < max_tries
    begin
      response = authenticated_request(:get, "/redfish/v1/Chassis/System.Embedded.1/Thermal?$expand=*($levels=1)")
      
      if response.status == 200
        data = JSON.parse(response.body)
        
        fans = data["Fans"].map do |fan|
          puts "Fan: #{fan["Name"]} > #{fan["Reading"]} > #{fan.dig("Status", "Health")}"
          {
            "name" => fan["Name"], 
            "rpm" => fan["Reading"],
            "serial" => fan["SerialNumber"],
            "status" => fan.dig("Status", "Health"),
            "state" => fan.dig("Status", "State")
          }
        end
        
        return fans
      elsif response.status.between?(400, 499)
        # Check if system is powered off
        power_response = authenticated_request(:get, "/redfish/v1/Systems/System.Embedded.1?$select=PowerState")
        if power_response.status == 200 && JSON.parse(power_response.body)["PowerState"] == "Off"
          puts "WARN: System is off. Fans are not available.".yellow
          return []
        end
      end
    rescue => e
      puts "WARN: Error getting fans: #{e.message}".yellow
    end
    
    tries += 1
    puts "Failed to get fans. Retrying #{tries}/#{max_tries}.".red if tries < max_tries
    sleep 10
  end
  
  puts "Failed to get fans after #{max_tries} tries".red
  return []
end

#get_basic_system_info ⇒ Object

Get basic system information (used for test_live function)



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# File 'lib/idrac/system.rb', line 777

def get_basic_system_info
  response = authenticated_request(:get, "/redfish/v1/Systems/System.Embedded.1")
  
  if response.status == 200
    data = JSON.parse(response.body)
    return {
      model: data["Model"],
      sku: data["SKU"]
    }
  else
    raise Error, "Failed to get basic system information: #{response.status}"
  end
end

#get_system_config ⇒ Object

Get complete system configuration



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# File 'lib/idrac/system.rb', line 690

def get_system_config
  response = authenticated_request(:get, "/redfish/v1/Systems/System.Embedded.1?$expand=*($levels=1)")
  
  if response.status == 200
    return JSON.parse(response.body)
  else
    raise Error, "Failed to retrieve system configuration: #{response.status}"
  end
end

#get_system_summary ⇒ Object

Get system summary information (used by CLI summary command)



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# File 'lib/idrac/system.rb', line 701

def get_system_summary
  # Get system information
  system_response = authenticated_request(:get, "/redfish/v1/Systems/System.Embedded.1")
  system_info = JSON.parse(system_response.body)
  
  # Get iDRAC information
  idrac_response = authenticated_request(:get, "/redfish/v1/Managers/iDRAC.Embedded.1")
  idrac_info = JSON.parse(idrac_response.body)
  
  # Initialize network info values to Unknown
  ip_address = "Unknown"
  mac_address = "Unknown"
  
  # Try to get network information
  begin
    # First, get the EthernetInterfaces collection to find available interfaces
    eth_collection_response = authenticated_request(:get, "/redfish/v1/Managers/iDRAC.Embedded.1/EthernetInterfaces")
    
    if eth_collection_response.status == 200
      eth_collection = JSON.parse(eth_collection_response.body)
      
      if eth_collection["Members"] && eth_collection["Members"].any?
        # Use the first interface found
        first_eth = eth_collection["Members"][0]["@odata.id"]
        debug "Found network interface: #{first_eth}", 2
        
        first_eth_response = authenticated_request(:get, first_eth)
        if first_eth_response.status == 200
          first_eth_info = JSON.parse(first_eth_response.body)
          ip_address = first_eth_info.dig("IPv4Addresses", 0, "Address") || "Unknown"
          mac_address = first_eth_info.dig("MACAddress") || "Unknown"
          debug "Network info - IP: #{ip_address}, MAC: #{mac_address}", 2
        end
      end
    end
  rescue => e
    debug "Failed to get network info: #{e.message}", 1, :yellow
    # Failed to get network info, leave as Unknown
  end
  
  # Initialize license_type to Unknown
  license_type = "Unknown"
  license_description = nil
  
  # Try to get license information (new approach that works with iDRAC 8 too)
  license_info = license_info() rescue nil
  # license_version = license_version() rescue nil  # Not used currently
  
  if license_info
    license_type = license_info["LicenseType"] || "Unknown"
    license_description = license_info["Description"]
  end
  
  # Format the license display string
  license_display = license_type
  if license_description && license_type != "Unknown"
    license_display = "#{license_type} (#{license_description})"
  end

  # Return the system summary
  {
    power_state: system_info["PowerState"],
    model: system_info["Model"],
    host_name: system_info["HostName"],
    operating_system: system_info.dig("Oem", "Dell", "OperatingSystem"),
    os_version: system_info.dig("Oem", "Dell", "OperatingSystemVersion"),
    service_tag: system_info["SKU"],
    bios_version: system_info.dig("BiosVersion"),
    idrac_firmware: idrac_info.dig("FirmwareVersion"),
    ip_address: ip_address,
    mac_address: mac_address,
    license: license_display
  }
end

#idrac_interface ⇒ Object

Kind of like a NIC, but serves a different purpose.



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# File 'lib/idrac/system.rb', line 437

def idrac_interface
  # First try to get the EthernetInterfaces collection to get the correct path
  collection_response = authenticated_request(:get, "/redfish/v1/Managers/iDRAC.Embedded.1/EthernetInterfaces")
  
  if collection_response.status == 200
    collection_data = JSON.parse(collection_response.body)
    
    if collection_data["Members"] && collection_data["Members"].any?
      # Use the first interface found
      interface_path = collection_data["Members"][0]["@odata.id"]
      debug "Using interface path: #{interface_path}", 2
      
      response = authenticated_request(:get, interface_path)
      
      if response.status == 200
        idrac_data = JSON.parse(response.body)
        
        return {
          "name"   => idrac_data["Id"],
          "status" => idrac_data.dig("Status", "Health") == 'OK' ? 'Up' : 'Down',
          "mac"    => idrac_data["MACAddress"],
          "mask"   => idrac_data["IPv4Addresses"].first["SubnetMask"],
          "ipv4"   => idrac_data["IPv4Addresses"].first["Address"],
          "origin" => idrac_data["IPv4Addresses"].first["AddressOrigin"], # DHCP or Static
          "port"   => nil,
          "speed_mbps" => idrac_data["SpeedMbps"],
          "kind"   => "ethernet"
        }
      end
    end
  end
  
  # Fallback to the old hard-coded path
  response = authenticated_request(:get, "/redfish/v1/Managers/iDRAC.Embedded.1/EthernetInterfaces/iDRAC.Embedded.1%23NIC.1")
  idrac_data = JSON.parse(response.body)
  {
    "name"   => idrac_data["Id"],
    "status" => idrac_data.dig("Status", "Health") == 'OK' ? 'Up' : 'Down',
    "mac"    => idrac_data["MACAddress"],
    "mask"   => idrac_data["IPv4Addresses"].first["SubnetMask"],
    "ipv4"   => idrac_data["IPv4Addresses"].first["Address"],
    "origin" => idrac_data["IPv4Addresses"].first["AddressOrigin"], # DHCP or Static
    "port"   => nil,
    "speed_mbps" => idrac_data["SpeedMbps"],
    "kind"   => "ethernet"
  }
end

#idrac_network ⇒ Object

Get iDRAC network information



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# File 'lib/idrac/system.rb', line 245

def idrac_network
  # First try to get the EthernetInterfaces collection to get the correct path
  collection_response = authenticated_request(:get, "/redfish/v1/Managers/iDRAC.Embedded.1/EthernetInterfaces")
  
  if collection_response.status == 200
    begin
      collection_data = JSON.parse(collection_response.body)
      
      if collection_data["Members"] && collection_data["Members"].any?
        # Use the first interface found
        interface_path = collection_data["Members"][0]["@odata.id"]
        debug "Using interface path: #{interface_path}", 2
        
        response = authenticated_request(:get, interface_path)
        
        if response.status == 200
          data = JSON.parse(response.body)
          
          idrac = {
            "name" => data["Id"],
            "status" => data.dig("Status", "Health") == 'OK' ? 'Up' : 'Down',
            "mac" => data["MACAddress"],
            "mask" => data["IPv4Addresses"].first["SubnetMask"],
            "ipv4" => data["IPv4Addresses"].first["Address"],
            "origin" => data["IPv4Addresses"].first["AddressOrigin"], # DHCP or Static
            "port" => nil,
            "speed_mbps" => data["SpeedMbps"],
            "kind" => "ethernet"
          }
          
          return idrac
        else
          raise Error, "Failed to get iDRAC network. Status code: #{response.status}"
        end
      else
        raise Error, "No Ethernet interfaces found"
      end
    rescue JSON::ParserError
      raise Error, "Failed to parse iDRAC network response: #{collection_response.body}"
    end
  else
    # Fallback to the old hard-coded path for backwards compatibility
    response = authenticated_request(:get, "/redfish/v1/Managers/iDRAC.Embedded.1/EthernetInterfaces/iDRAC.Embedded.1%23NIC.1")
    
    if response.status == 200
      begin
        data = JSON.parse(response.body)
        
        idrac = {
          "name" => data["Id"],
          "status" => data.dig("Status", "Health") == 'OK' ? 'Up' : 'Down',
          "mac" => data["MACAddress"],
          "mask" => data["IPv4Addresses"].first["SubnetMask"],
          "ipv4" => data["IPv4Addresses"].first["Address"],
          "origin" => data["IPv4Addresses"].first["AddressOrigin"], # DHCP or Static
          "port" => nil,
          "speed_mbps" => data["SpeedMbps"],
          "kind" => "ethernet"
        }
        
        return idrac
      rescue JSON::ParserError
        raise Error, "Failed to parse iDRAC network response: #{response.body}"
      end
    else
      raise Error, "Failed to get iDRAC network. Status code: #{response.status}"
    end
  end
end

#memory ⇒ Object

Get memory information



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# File 'lib/idrac/system.rb', line 7

def memory
  response = authenticated_request(:get, "/redfish/v1/Systems/System.Embedded.1/Memory?$expand=*($levels=1)")
  
  if response.status == 200
    begin
      data = JSON.parse(response.body)
      
      memory = data["Members"].map do |m|
        dimm_name = m["Name"] # e.g. DIMM A1
        bank, index = /DIMM ([A-Z])(\d+)/.match(dimm_name).captures
        
        {
          "manufacturer" => m["Manufacturer"],
          "name" => m["Name"], 
          "capacity_bytes" => m["CapacityMiB"].to_i * 1024 * 1024, 
          "health" => m.dig("Status","Health") || "N/A", 
          "speed_mhz" => m["OperatingSpeedMhz"], 
          "part_number" => m["PartNumber"], 
          "serial" => m["SerialNumber"],
          "bank" => bank,
          "index" => index.to_i,
          "memory_device_type" => m["MemoryDeviceType"],
          "base_module_type" => m["BaseModuleType"]
        }
      end
      
      return memory.sort_by { |m| [m["bank"] || "Z", m["index"] || 999] }
    rescue JSON::ParserError
      raise Error, "Failed to parse memory response: #{response.body}"
    end
  else
    raise Error, "Failed to get memory. Status code: #{response.status}"
  end
end

#nics ⇒ Object

Get NIC information



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# File 'lib/idrac/system.rb', line 122

def nics
  response = authenticated_request(:get, "/redfish/v1/Systems/System.Embedded.1/NetworkAdapters?$expand=*($levels=1)")
  
  if response.status == 200
    begin
      adapters_data = JSON.parse(response.body)
      
      # Try to get network configuration from SCP for IP addresses
      nic_ip_map = {}
      
      # Try to get IP data from SCP
      begin
        scp_data = get_system_configuration_profile(target: "NIC")
        if scp_data && scp_data["SystemConfiguration"] && scp_data["SystemConfiguration"]["Components"]
          scp_data["SystemConfiguration"]["Components"].each do |component|
            next unless component["FQDD"] =~ /NIC\.|BCM57/ # Match NIC components

            # Extract IP configuration if available
            ip_attrs = component["Attributes"]&.select { |attr| attr["Name"] =~ /IPAddress|IPv4Address|IPV4Address/ }
            mac_attrs = component["Attributes"]&.select { |attr| attr["Name"] =~ /MACAddress/ }
            
            if ip_attrs&.any? && mac_attrs&.any?
              mac = mac_attrs.first["Value"]
              ip = ip_attrs.first["Value"]
              nic_ip_map[mac&.upcase] = ip unless ip.nil? || ip.empty? || ip == "0.0.0.0"
            end
          end
        end
      rescue
        # Ignore errors, just continue
      end
      
      # Try to get static IP configuration from iDRAC
      begin
        idrac_net = idrac_network
        if idrac_net && idrac_net["mac"] && idrac_net["ipv4"]
          nic_ip_map[idrac_net["mac"].upcase] = idrac_net["ipv4"]
        end
      rescue
        # Ignore errors, just continue
      end
      
      nics = []
      
      # Process each network adapter
      adapters_data["Members"].each do |adapter|
        # Get basic adapter info
        adapter_info = {
          "name" => adapter["Id"],
          "manufacturer" => adapter["Manufacturer"],
          "model" => adapter["Model"],
          "part_number" => adapter["PartNumber"],
          "serial" => adapter["SerialNumber"],
          "ports" => []
        }
        
        # Try each port type in order of preference
        ["NetworkPorts", "Ports"].each do |port_type|
          ports_path = "#{adapter["@odata.id"].split("v1/").last}/#{port_type}?$expand=*($levels=1)"
          
          begin
            ports_response = authenticated_request(:get, "/redfish/v1/#{ports_path}")
            
            if ports_response.status == 200
              ports_data = JSON.parse(ports_response.body)
              
              if ports_data["Members"] && ports_data["Members"].any?
                # Process each port
                adapter_info["ports"] = ports_data["Members"].map do |port|
                  # Extract port info based on port type
                  if port_type == "NetworkPorts"
                    # NetworkPorts style (usually iDRAC 8)
                    mac_addr = port["AssociatedNetworkAddresses"]&.first
                    link_speed_mbps = port.dig("SupportedLinkCapabilities", 0, "LinkSpeedMbps") || 0
                    port_num = port["PhysicalPortNumber"]
                    link_status = port["LinkStatus"]
                  else
                    # Ports style (usually iDRAC 9)
                    mac_addr = port.dig("Ethernet", "AssociatedMACAddresses", 0)
                    link_speed_mbps = port["CurrentSpeedGbps"] ? (port["CurrentSpeedGbps"].to_i * 1000) : 0
                    port_num = port["PortId"]
                    link_status = port["LinkStatus"] =~ /up/i ? "Up" : "Down"
                  end
                  
                  # Get IP address from our mapping
                  ip_address = nic_ip_map[mac_addr&.upcase]
                  
                  puts "NIC: #{port["Id"]} > #{mac_addr} > #{link_status} > #{port_num} > #{link_speed_mbps}Mbps > #{ip_address || 'No IP'}"
                  
                  {
                    "name" => port["Id"],
                    "status" => link_status,
                    "mac" => mac_addr,
                    "ip_address" => ip_address,
                    "port" => port_num,
                    "speed_mbps" => link_speed_mbps,
                    "kind" => port_type == "NetworkPorts" ? "ethernet" : "port"
                  }
                end
                
                # If we found ports, no need to try the other endpoint
                break
              end
            end
          rescue
            # Ignore errors and try the next port type
          end
        end
        
        # Add adapter to our list
        nics << adapter_info
      end
      
      return nics
    rescue JSON::ParserError
      raise Error, "Failed to parse NICs response: #{response.body}"
    end
  else
    raise Error, "Failed to get NICs. Status code: #{response.status}"
  end
end

#nics_to_pci(nics, pci_devices) ⇒ Object

Map NICs to PCI bus IDs for Mellanox cards



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# File 'lib/idrac/system.rb', line 394

def nics_to_pci(nics, pci_devices)
  # Filter for Mellanox network controllers
  mellanox_pci = pci_devices.select do |dev| 
    dev['device_class'] =~ /NetworkController/ && dev['manufacturer'] =~ /Mellanox/
  end
  
  # Create mapping of NIC names to PCI IDs
  mapping = {}
  mellanox_pci.each do |dev|
    if dev['nic'] && dev['nic'] =~ /.*\/([^\/\-]+-\d+)/
      nic = $1  # e.g. NIC.Slot.1-1
      if dev['id'] =~ /^(\d+)-\d+-\d/
        pci_bus = $1  # e.g. 59
        mapping[nic] = pci_bus
      end
    end
  end
  
  # Add PCI bus info to each NIC port
  nics_with_pci = nics.map do |nic|
    nic_with_pci = nic.dup
    
    if nic_with_pci["ports"]
      nic_with_pci["ports"] = nic_with_pci["ports"].map do |port|
        port_with_pci = port.dup
        pci_bus = mapping[port["name"]]
        
        if pci_bus
          port_with_pci["pci"] = pci_bus
          port_with_pci["linux_device"] = "enp#{pci_bus}s0np0" # e.g. enp3s0np0
        end
        
        port_with_pci
      end
    end
    
    nic_with_pci
  end
  
  return nics_with_pci
end

#pci_devices ⇒ Object

Get PCI device information



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# File 'lib/idrac/system.rb', line 316

def pci_devices
  # iDRAC 9+: standard PCIeDevices endpoint with expand
  if (data = safe_get("/redfish/v1/Chassis/System.Embedded.1/PCIeDevices?$expand=*($levels=1)"))
    return data["Members"].map { |stub|
      fn = stub.dig("Links", "PCIeFunctions", 0, "@odata.id")
      pcie_fn = fn ? safe_get(fn) : nil
      {
        "device_class" => pcie_fn&.dig("DeviceClass"),
        "manufacturer" => stub["Manufacturer"],
        "name" => stub["Name"],
        "description" => stub["Description"],
        "id" => pcie_fn&.dig("Id") || stub["Id"],
        "slot_type" => pcie_fn&.dig("Oem", "Dell", "DellPCIeFunction", "SlotType"),
        "bus_width" => pcie_fn&.dig("Oem", "Dell", "DellPCIeFunction", "DataBusWidth"),
        "nic" => pcie_fn&.dig("Links", "EthernetInterfaces", 0, "@odata.id")
      }
    }
  end

  # iDRAC 8: PCIeDevices via System endpoint
  if (data = safe_get("/redfish/v1/Systems/System.Embedded.1?$select=PCIeDevices"))
    devices = Array(data["PCIeDevices"]).filter_map { |link|
      next unless link.is_a?(Hash) && link["@odata.id"]
      d = safe_get(link["@odata.id"])
      next unless d
      {
        "device_class" => d["DeviceType"] || "Unknown",
        "manufacturer" => d["Manufacturer"],
        "name" => d["Name"] || d["Id"],
        "description" => d["Description"],
        "id" => d["Id"],
        "slot_type" => d.dig("Oem", "Dell", "SlotType"),
        "bus_width" => d.dig("Oem", "Dell", "BusWidth"),
        "nic" => nil
      }
    }
    return devices unless devices.empty?
  end

  # Fallback: NetworkAdapters
  if (data = safe_get("/redfish/v1/Systems/System.Embedded.1/NetworkAdapters?$expand=*($levels=1)"))
    devices = Array(data["Members"]).filter_map { |a|
      next unless a["Model"] || a["Manufacturer"]
      is_fc = [a["Name"], a["Model"], a["Id"], a["Description"]].any? { |f| f =~ /FC|Fibre/i }
      {
        "device_class" => is_fc ? "FibreChannelController" : "NetworkController",
        "manufacturer" => a["Manufacturer"],
        "name" => a["Name"] || a["Id"],
        "description" => a["Description"],
        "id" => a["Id"],
        "slot_type" => a.dig("Oem", "Dell", "SlotType") || (a["Id"] =~ /Slot\.(\d+)/ ? "Slot #{$1}" : nil),
        "bus_width" => nil,
        "nic" => a["@odata.id"]
      }
    }
    return devices unless devices.empty?
  end

  # Last resort: PCIeFunctions directly
  if (data = safe_get("/redfish/v1/Systems/System.Embedded.1/PCIeFunctions?$expand=*($levels=1)"))
    return Array(data["Members"]).map { |fn|
      {
        "device_class" => fn["DeviceClass"] || "Unknown",
        "manufacturer" => fn["Manufacturer"] || "Unknown",
        "name" => fn["Name"] || fn["Id"],
        "description" => fn["Description"],
        "id" => fn["Id"],
        "slot_type" => fn.dig("Oem", "Dell", "SlotType"),
        "bus_width" => fn.dig("Oem", "Dell", "DataBusWidth"),
        "nic" => nil
      }
    }
  end

  []
end

#psus ⇒ Object

Get power supply information



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# File 'lib/idrac/system.rb', line 43

def psus
  response = authenticated_request(:get, "/redfish/v1/Chassis/System.Embedded.1/Power")
  
  if response.status == 200
    begin
      data = JSON.parse(response.body)
      puts "Power Supplies".green
      
      psus = data["PowerSupplies"].map do |psu|
        puts "PSU: #{psu["Name"]} > #{psu["PowerInputWatts"]}W > #{psu.dig("Status", "Health")}"
        
        {
          "name" => psu["Name"], 
          "voltage" => psu["LineInputVoltage"], 
          "voltage_human" => psu["LineInputVoltageType"],  # Return exactly what server provides
          "watts" => psu["PowerInputWatts"],
          "part" => psu["PartNumber"],
          "model" => psu["Model"],
          "serial" => psu["SerialNumber"],
          "status" => psu.dig("Status", "Health"),
          "power_supply_type" => psu["PowerSupplyType"]  # Add this field
        }
      end
      
      return psus
    rescue JSON::ParserError
      raise Error, "Failed to parse PSU response: #{response.body}"
    end
  else
    raise Error, "Failed to get PSUs. Status code: #{response.status}"
  end
end

#sel_summary(limit: 10) ⇒ Object

SEL log summary - display recent entries



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# File 'lib/idrac/system.rb', line 656

def sel_summary(limit: 10)
  entries = sel_log
  
  if entries.empty?
    puts "No log entries found.".yellow
    return entries
  end
  
  puts "Total entries: #{entries.length}".cyan
  puts "\nMost recent #{limit} entries:".cyan
  
  entries.first(limit).each do |entry|
    severity_color = case entry["severity"]
                    when "Critical" then :red
                    when "Warning" then :yellow
                    when "OK" then :green
                    else :white
                    end
    
    puts "\n[#{entry['created']}] #{entry['severity']}".send(severity_color)
    puts "  #{entry['message']}"
    puts "  ID: #{entry['id']} | MessageID: #{entry['message_id']}" if entry['message_id']
  end
  
  entries
end

#system_event_logs ⇒ Object Also known as: sel_log

Get system event logs



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# File 'lib/idrac/system.rb', line 590

def system_event_logs
  response = authenticated_request(:get, "/redfish/v1/Managers/iDRAC.Embedded.1/Logs/Sel?$expand=*($levels=1)")
  
  if response.status == 404
    debug "SEL log not available on this system", 1, :yellow
    return []
  elsif response.status == 200
    begin
      data = JSON.parse(response.body)
      
      logs = data["Members"].map do |log|
        puts "#{log['Id']} : #{log['Created']} : #{log['Message']} : #{log['Severity']}".yellow
        {
          "id" => log["Id"],
          "name" => log["Name"],
          "created" => log["Created"],
          "severity" => log["Severity"],
          "message" => log["Message"],
          "message_id" => log["MessageId"],
          "sensor_type" => log["SensorType"],
          "sensor_number" => log["SensorNumber"]
        }
      end
      
      # Sort by creation date, newest first
      return logs.sort_by { |log| log['created'] || "" }.reverse
    rescue JSON::ParserError
      raise Error, "Failed to parse system event logs response: #{response.body}"
    end
  else
    raise Error, "Failed to get system event logs. Status code: #{response.status}"
  end
end

#system_health ⇒ Object

Get system health status



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# File 'lib/idrac/system.rb', line 565

def system_health
  response = authenticated_request(:get, "/redfish/v1/Systems/System.Embedded.1?$expand=*($levels=1)")
  
  if response.status == 200
    begin
      data = JSON.parse(response.body)
      
      health = {
        "rollup" => data.dig("Status", "HealthRollup"),
        "system" => data.dig("Status", "Health"),
        "processor" => data.dig("ProcessorSummary", "Status", "Health"),
        "memory" => data.dig("MemorySummary", "Status", "Health"),
        "storage" => data.dig("Storage", "Status", "Health")
      }
      
      return health
    rescue JSON::ParserError
      raise Error, "Failed to parse system health information: #{response.body}"
    end
  else
    raise Error, "Failed to get system health. Status code: #{response.status}"
  end
end

#system_info ⇒ Object

Get system identification information



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# File 'lib/idrac/system.rb', line 486

def system_info
  response = authenticated_request(:get, "/redfish/v1")
  
  if response.status == 200
    begin
      data = JSON.parse(response.body)
      
      # Initialize return hash with defaults
      info = {
        "is_dell" => false,
        "is_ancient_dell" => false,
        "product" => data["Product"] || "Unknown",
        "service_tag" => nil,
        "model" => nil,
        "idrac_version" => data["RedfishVersion"],
        "firmware_version" => nil
      }
      
      # Check if it's a Dell iDRAC
      if data["Product"] == "Integrated Dell Remote Access Controller"
        info["is_dell"] = true
        
        # Get service tag from Dell OEM data
        info["service_tag"] = data.dig("Oem", "Dell", "ServiceTag")
        
        # Get firmware version - try both common locations
        info["firmware_version"] = data["FirmwareVersion"] || data.dig("Oem", "Dell", "FirmwareVersion")
        
        # Get additional system information
        system_response = authenticated_request(:get, "/redfish/v1/Systems/System.Embedded.1")
        if system_response.status == 200
          system_data = JSON.parse(system_response.body)
          info["model"] = system_data["Model"]
        end
      
        return info
      else
        # Try to handle ancient Dell models where Product is null or non-standard
        if data["Product"].nil? || data.dig("Oem", "Dell")
          info["is_ancient_dell"] = true
          return info
        end
      end
      
      return info
    rescue JSON::ParserError
      raise Error, "Failed to parse system information: #{response.body}"
    end
  else
    raise Error, "Failed to get system information. Status code: #{response.status}"
  end
end

#total_memory_human(memory_data) ⇒ Object

Get total memory in human-readable format



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# File 'lib/idrac/system.rb', line 684

def total_memory_human(memory_data)
  total_memory = memory_data.sum { |m| m["capacity_bytes"] }
  "%0.2f GB" % (total_memory.to_f / 1.gigabyte)
end