platform.rb in ohai-18.0.26

- old
+ new
@@ -1,313 +1,314 @@
-# frozen_string_literal: true
-#
-# Author:: Adam Jacob (<adam@chef.io>)
-# Copyright:: Copyright (c) Chef Software Inc.
-# License:: Apache License, Version 2.0
-#
-# 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
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-
-Ohai.plugin(:Platform) do
-  provides "platform", "platform_version", "platform_family"
-  depends "lsb"
-
-  # @deprecated
-  def get_redhatish_platform(contents)
-    contents[/^Red Hat/i] ? "redhat" : contents[/(\w+)/i, 1].downcase
-  end
-
-  # See https://rubular.com/r/78c1yXYa7zDhdV for example matches
-  #
-  # @param contents [String] the contents of /etc/redhat-release
-  #
-  # @returns [String] the version string
-  #
-  def get_redhatish_version(contents)
-    contents[/(release)? ([\d\.]+)/, 2]
-  end
-
-  #
-  # Reads an os-release-info file and parse it into a hash
-  #
-  # @param file [String] the filename to read (e.g. '/etc/os-release')
-  #
-  # @returns [Hash] the file parsed into a Hash or nil
-  #
-  def read_os_release_info(file)
-    return nil unless file_exist?(file)
-
-    file_read(file).split.inject({}) do |map, line|
-      key, value = line.split("=")
-      map[key] = value.gsub(/\A"|"\Z/, "") if value
-      map
-    end
-  end
-
-  #
-  # Cached /etc/os-release info Hash. Also has logic for Cisco Nexus
-  # switches that pulls the chained CISCO_RELEASE_INFO file into the Hash (other
-  # distros can also reuse this method safely).
-  #
-  # @returns [Hash] the canonical, cached Hash of /etc/os-release info or nil
-  #
-  def os_release_info
-    @os_release_info ||=
-      begin
-        os_release_info = read_os_release_info("/etc/os-release")
-        cisco_release_info = os_release_info["CISCO_RELEASE_INFO"] if os_release_info
-        if cisco_release_info && file_exist?(cisco_release_info)
-          os_release_info.merge!(read_os_release_info(cisco_release_info))
-        end
-        os_release_info
-      end
-  end
-
-  #
-  # If /etc/os-release indicates we are Cisco based
-  #
-  # @returns [Boolean] if we are Cisco according to /etc/os-release
-  #
-  def os_release_file_is_cisco?
-    file_exist?("/etc/os-release") && os_release_info["CISCO_RELEASE_INFO"]
-  end
-
-  #
-  # Determines the platform version for F5 Big-IP systems
-  #
-  # @deprecated
-  #
-  # @returns [String] bigip Linux version from /etc/f5-release
-  #
-  def bigip_version
-    release_contents = file_read("/etc/f5-release")
-    release_contents.match(/BIG-IP release (\S*)/)[1] # http://rubular.com/r/O8nlrBVqSb
-  rescue NoMethodError, Errno::ENOENT, Errno::EACCES # rescue regex failure, file missing, or permission denied
-    logger.warn("Detected F5 Big-IP, but /etc/f5-release could not be parsed to determine platform_version")
-    nil
-  end
-
-  # our platform names don't match os-release. given a time machine they would but ohai
-  # came before the os-release file. This method remaps the os-release names to
-  # the ohai names
-  #
-  # @param id [String] the platform ID from /etc/os-release
-  #
-  # @returns [String] the platform name to use in Ohai
-  #
-  def platform_id_remap(id)
-    # this catches the centos guest shell in the nexus switch which identifies itself as centos
-    return "nexus_centos" if id == "centos" && os_release_file_is_cisco?
-
-    # the platform mappings between the 'ID' field in /etc/os-release and the value
-    # ohai uses. If you're adding a new platform here and you want to change the name
-    # you'll want to add it here and then add a spec for the platform_id_remap method
-    {
-      "alinux" => "alibabalinux",
-      "amzn" => "amazon",
-      "archarm" => "arch",
-      "cumulus-linux" => "cumulus",
-      "ol" => "oracle",
-      "opensuse-leap" => "opensuseleap",
-      "rhel" => "redhat",
-      "sles_sap" => "suse",
-      "sles" => "suse",
-      "xenenterprise" => "xenserver",
-    }[id.downcase] || id.downcase
-  end
-
-  #
-  # Determines the platform_family based on the platform
-  #
-  # @param plat [String] the platform name
-  #
-  # @returns [String] platform_family value
-  #
-  def platform_family_from_platform(plat)
-    case plat
-    when /ubuntu/, /debian/, /linuxmint/, /raspbian/, /cumulus/, /kali/, /pop/
-      # apt-get+dpkg almost certainly goes here
-      "debian"
-    when /centos/, /redhat/, /oracle/, /almalinux/, /rocky/, /scientific/, /enterpriseenterprise/, /xenserver/, /xcp-ng/, /cloudlinux/, /alibabalinux/, /sangoma/, /clearos/, /parallels/, /ibm_powerkvm/, /nexus_centos/, /bigip/, /virtuozzo/ # Note that 'enterpriseenterprise' is oracle's LSB "distributor ID"
-      # NOTE: "rhel" should be reserved exclusively for recompiled rhel versions that are nearly perfectly compatible down to the platform_version.
-      # The operating systems that are "rhel" should all be as compatible as rhel7 = centos7 = oracle7 = scientific7 (98%-ish core RPM version compatibility
-      # and the version numbers MUST track the upstream). The appropriate EPEL version repo should work nearly perfectly.  Some variation like the
-      # oracle kernel version differences and tuning and extra packages are clearly acceptable. Almost certainly some distros above (xenserver?)
-      # should not be in this list. Please use fedora, below, instead. Also note that this is the only platform_family with this strict of a rule,
-      # see the example of the debian platform family for how the rest of the platform_family designations should be used.
-      #
-      # TODO: when XCP-NG 7.4 support ends we can remove the xcp-ng match. 7.5+ reports as xenenterprise which we remap to xenserver
-      "rhel"
-    when /amazon/
-      "amazon"
-    when /suse/, /sles/, /opensuseleap/, /opensuse/, /sled/
-      "suse"
-    when /fedora/, /arista_eos/
-      # In the broadest sense:  RPM-based, fedora-derived distributions which are not strictly re-compiled RHEL (if it uses RPMs, and smells more like redhat and less like
-      # SuSE it probably goes here).
-      "fedora"
-    when /nexus/, /ios_xr/
-      "wrlinux"
-    when /gentoo/
-      "gentoo"
-    when /arch/, /manjaro/
-      "arch"
-    when /exherbo/
-      "exherbo"
-    when /alpine/
-      "alpine"
-    when /clearlinux/
-      "clearlinux"
-    when /mangeia/
-      "mandriva"
-    when /slackware/
-      "slackware"
-    end
-  end
-
-  # modern linux distros include a /etc/os-release file, which we now rely on for
-  # OS detection. For older distros that do not include that file we fall back to
-  # our pre-Ohai 15 detection logic, which is the method below. No new functionality
-  # should be added to this logic.
-  #
-  # @deprecated
-  def legacy_platform_detection
-    # platform [ and platform_version ? ] should be lower case to avoid dealing with RedHat/Redhat/redhat matching
-    if file_exist?("/etc/oracle-release")
-      contents = file_read("/etc/oracle-release").chomp
-      platform "oracle"
-      platform_version get_redhatish_version(contents)
-    elsif file_exist?("/etc/enterprise-release")
-      contents = file_read("/etc/enterprise-release").chomp
-      platform "oracle"
-      platform_version get_redhatish_version(contents)
-    elsif file_exist?("/etc/f5-release")
-      platform "bigip"
-      platform_version bigip_version
-    elsif file_exist?("/etc/debian_version")
-      # Ubuntu and Debian both have /etc/debian_version
-      # Ubuntu should always have a working lsb, debian does not by default
-      if /Ubuntu/i.match?(lsb[:id])
-        platform "ubuntu"
-        platform_version lsb[:release]
-      else
-        platform "debian"
-        platform_version file_read("/etc/debian_version").chomp
-      end
-    elsif file_exist?("/etc/parallels-release")
-      contents = file_read("/etc/parallels-release").chomp
-      platform get_redhatish_platform(contents)
-      platform_version contents.match(/(\d\.\d\.\d)/)[0]
-    elsif file_exist?("/etc/Eos-release")
-      platform "arista_eos"
-      platform_version file_read("/etc/Eos-release").strip.split[-1]
-    elsif file_exist?("/etc/redhat-release")
-      contents = file_read("/etc/redhat-release").chomp
-      platform get_redhatish_platform(contents)
-      platform_version get_redhatish_version(contents)
-    elsif file_exist?("/etc/system-release")
-      contents = file_read("/etc/system-release").chomp
-      platform get_redhatish_platform(contents)
-      platform_version get_redhatish_version(contents)
-    elsif file_exist?("/etc/SuSE-release")
-      suse_release = file_read("/etc/SuSE-release")
-      suse_version = suse_release.scan(/VERSION = (\d+)\nPATCHLEVEL = (\d+)/).flatten.join(".")
-      suse_version = suse_release[/VERSION = ([\d\.]{2,})/, 1] if suse_version == ""
-      platform_version suse_version
-      if /^openSUSE/.match?(suse_release)
-        # opensuse releases >= 42 are openSUSE Leap
-        if platform_version.to_i < 42
-          platform "opensuse"
-        else
-          platform "opensuseleap"
-        end
-      else
-        platform "suse"
-      end
-    elsif os_release_file_is_cisco?
-      raise "unknown Cisco /etc/os-release or /etc/cisco-release ID_LIKE field" if
-        os_release_info["ID_LIKE"].nil? || !os_release_info["ID_LIKE"].include?("wrlinux")
-
-      case os_release_info["ID"]
-      when "nexus"
-        platform "nexus"
-      when "ios_xr"
-        platform "ios_xr"
-      else
-        raise "unknown Cisco /etc/os-release or /etc/cisco-release ID field"
-      end
-
-      platform_version os_release_info["VERSION"]
-    elsif file_exist?("/etc/slackware-version")
-      platform "slackware"
-      platform_version file_read("/etc/slackware-version").scan(/(\d+|\.+)/).join
-    elsif file_exist?("/etc/exherbo-release")
-      platform "exherbo"
-      # no way to determine platform_version in a rolling release distribution
-      # kernel release will be used - ex. 3.13
-      platform_version shell_out("/bin/uname -r").stdout.strip
-    elsif file_exist?("/usr/lib/os-release")
-      contents = file_read("/usr/lib/os-release")
-      if /clear-linux-os/.match?(contents) # Clear Linux https://clearlinux.org/
-        platform "clearlinux"
-        platform_version contents[/VERSION_ID=(\d+)/, 1]
-      end
-    elsif /RedHat/i.match?(lsb[:id])
-      platform "redhat"
-      platform_version lsb[:release]
-    elsif /Amazon/i.match?(lsb[:id])
-      platform "amazon"
-      platform_version lsb[:release]
-    elsif /ScientificSL/i.match?(lsb[:id])
-      platform "scientific"
-      platform_version lsb[:release]
-    elsif /XenServer/i.match?(lsb[:id])
-      platform "xenserver"
-      platform_version lsb[:release]
-    elsif lsb[:id] # LSB can provide odd data that changes between releases, so we currently fall back on it rather than dealing with its subtleties
-      platform lsb[:id].downcase
-      platform_version lsb[:release]
-    end
-  end
-
-  # Grab the version from the VERSION_ID field and use the kernel release if that's not
-  # available. It should be there for everything, but rolling releases like arch / gentoo
-  # where we've traditionally used the kernel as the version
-  # @return String the OS version
-  def determine_os_version
-    # centos only includes the major version in os-release for some reason
-    if os_release_info["ID"] == "centos"
-      get_redhatish_version(file_read("/etc/redhat-release").chomp)
-    # debian testing and unstable don't have VERSION_ID set
-    elsif os_release_info["ID"] == "debian"
-      os_release_info["VERSION_ID"] || file_read("/etc/debian_version").chomp
-    else
-      os_release_info["VERSION_ID"] || shell_out("/bin/uname -r").stdout.strip
-    end
-  end
-
-  collect_data(:linux) do
-    if file_exist?("/etc/os-release")
-      logger.trace("Plugin platform: Using /etc/os-release for platform detection")
-
-      # fixup os-release names to ohai platform names
-      platform platform_id_remap(os_release_info["ID"])
-
-      platform_version determine_os_version
-    else # we're on an old Linux distro
-      legacy_platform_detection
-    end
-
-    # unless we set it in a specific way with the platform logic above set based on platform data
-    platform_family platform_family_from_platform(platform) if platform_family.nil?
-  end
-end
+# frozen_string_literal: true
+#
+# Author:: Adam Jacob (<adam@chef.io>)
+# Copyright:: Copyright (c) Chef Software Inc.
+# License:: Apache License, Version 2.0
+#
+# 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
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+Ohai.plugin(:Platform) do
+  provides "platform", "platform_version", "platform_family"
+  depends "lsb"
+
+  # @deprecated
+  def get_redhatish_platform(contents)
+    contents[/^Red Hat/i] ? "redhat" : contents[/(\w+)/i, 1].downcase
+  end
+
+  # See https://rubular.com/r/78c1yXYa7zDhdV for example matches
+  #
+  # @param contents [String] the contents of /etc/redhat-release
+  #
+  # @returns [String] the version string
+  #
+  def get_redhatish_version(contents)
+    contents[/(release)? ([\d\.]+)/, 2]
+  end
+
+  #
+  # Reads an os-release-info file and parse it into a hash
+  #
+  # @param file [String] the filename to read (e.g. '/etc/os-release')
+  #
+  # @returns [Hash] the file parsed into a Hash or nil
+  #
+  def read_os_release_info(file)
+    return nil unless file_exist?(file)
+
+    file_read(file).split.inject({}) do |map, line|
+      key, value = line.split("=")
+      map[key] = value.gsub(/\A"|"\Z/, "") if value
+      map
+    end
+  end
+
+  #
+  # Cached /etc/os-release info Hash. Also has logic for Cisco Nexus
+  # switches that pulls the chained CISCO_RELEASE_INFO file into the Hash (other
+  # distros can also reuse this method safely).
+  #
+  # @returns [Hash] the canonical, cached Hash of /etc/os-release info or nil
+  #
+  def os_release_info
+    @os_release_info ||=
+      begin
+        os_release_info = read_os_release_info("/etc/os-release")
+        cisco_release_info = os_release_info["CISCO_RELEASE_INFO"] if os_release_info
+        if cisco_release_info && file_exist?(cisco_release_info)
+          os_release_info.merge!(read_os_release_info(cisco_release_info))
+        end
+        os_release_info
+      end
+  end
+
+  #
+  # If /etc/os-release indicates we are Cisco based
+  #
+  # @returns [Boolean] if we are Cisco according to /etc/os-release
+  #
+  def os_release_file_is_cisco?
+    file_exist?("/etc/os-release") && os_release_info["CISCO_RELEASE_INFO"]
+  end
+
+  #
+  # Determines the platform version for F5 Big-IP systems
+  #
+  # @deprecated
+  #
+  # @returns [String] bigip Linux version from /etc/f5-release
+  #
+  def bigip_version
+    release_contents = file_read("/etc/f5-release")
+    release_contents.match(/BIG-IP release (\S*)/)[1] # http://rubular.com/r/O8nlrBVqSb
+  rescue NoMethodError, Errno::ENOENT, Errno::EACCES # rescue regex failure, file missing, or permission denied
+    logger.warn("Detected F5 Big-IP, but /etc/f5-release could not be parsed to determine platform_version")
+    nil
+  end
+
+  # our platform names don't match os-release. given a time machine they would but ohai
+  # came before the os-release file. This method remaps the os-release names to
+  # the ohai names
+  #
+  # @param id [String] the platform ID from /etc/os-release
+  #
+  # @returns [String] the platform name to use in Ohai
+  #
+  def platform_id_remap(id)
+    # this catches the centos guest shell in the nexus switch which identifies itself as centos
+    return "nexus_centos" if id == "centos" && os_release_file_is_cisco?
+
+    # the platform mappings between the 'ID' field in /etc/os-release and the value
+    # ohai uses. If you're adding a new platform here and you want to change the name
+    # you'll want to add it here and then add a spec for the platform_id_remap method
+    {
+      "alinux" => "alibabalinux",
+      "amzn" => "amazon",
+      "archarm" => "arch",
+      "cumulus-linux" => "cumulus",
+      "ol" => "oracle",
+      "opensuse-leap" => "opensuseleap",
+      "rhel" => "redhat",
+      "sles_sap" => "suse",
+      "sles" => "suse",
+      "xenenterprise" => "xenserver",
+    }[id.downcase] || id.downcase
+  end
+
+  #
+  # Determines the platform_family based on the platform
+  #
+  # @param plat [String] the platform name
+  #
+  # @returns [String] platform_family value
+  #
+  def platform_family_from_platform(plat)
+    case plat
+    when /ubuntu/, /debian/, /linuxmint/, /raspbian/, /cumulus/, /kali/, /pop/
+      # apt-get+dpkg almost certainly goes here
+      "debian"
+    when /centos/, /redhat/, /oracle/, /almalinux/, /rocky/, /scientific/, /enterpriseenterprise/, /xenserver/, /xcp-ng/, /cloudlinux/, /alibabalinux/, /sangoma/, /clearos/, /parallels/, /ibm_powerkvm/, /nexus_centos/, /bigip/, /virtuozzo/ # Note that 'enterpriseenterprise' is oracle's LSB "distributor ID"
+      # NOTE: "rhel" should be reserved exclusively for recompiled rhel versions that are nearly perfectly compatible down to the platform_version.
+      # The operating systems that are "rhel" should all be as compatible as rhel7 = centos7 = oracle7 = scientific7 (98%-ish core RPM version compatibility
+      # and the version numbers MUST track the upstream). The appropriate EPEL version repo should work nearly perfectly.  Some variation like the
+      # oracle kernel version differences and tuning and extra packages are clearly acceptable. Almost certainly some distros above (xenserver?)
+      # should not be in this list. Please use fedora, below, instead. Also note that this is the only platform_family with this strict of a rule,
+      # see the example of the debian platform family for how the rest of the platform_family designations should be used.
+      #
+      # TODO: when XCP-NG 7.4 support ends we can remove the xcp-ng match. 7.5+ reports as xenenterprise which we remap to xenserver
+      "rhel"
+    when /amazon/
+      "amazon"
+    # suse matches opensuse, suse-* opensuse-*, etc. sle[sd\-_] intends to match sles, sled, sle-*, sle_*
+    when /suse/, /sle[sd\-_]/
+      "suse"
+    when /fedora/, /arista_eos/
+      # In the broadest sense:  RPM-based, fedora-derived distributions which are not strictly re-compiled RHEL (if it uses RPMs, and smells more like redhat and less like
+      # SuSE it probably goes here).
+      "fedora"
+    when /nexus/, /ios_xr/
+      "wrlinux"
+    when /gentoo/
+      "gentoo"
+    when /arch/, /manjaro/
+      "arch"
+    when /exherbo/
+      "exherbo"
+    when /alpine/
+      "alpine"
+    when /clearlinux/
+      "clearlinux"
+    when /mangeia/
+      "mandriva"
+    when /slackware/
+      "slackware"
+    end
+  end
+
+  # modern linux distros include a /etc/os-release file, which we now rely on for
+  # OS detection. For older distros that do not include that file we fall back to
+  # our pre-Ohai 15 detection logic, which is the method below. No new functionality
+  # should be added to this logic.
+  #
+  # @deprecated
+  def legacy_platform_detection
+    # platform [ and platform_version ? ] should be lower case to avoid dealing with RedHat/Redhat/redhat matching
+    if file_exist?("/etc/oracle-release")
+      contents = file_read("/etc/oracle-release").chomp
+      platform "oracle"
+      platform_version get_redhatish_version(contents)
+    elsif file_exist?("/etc/enterprise-release")
+      contents = file_read("/etc/enterprise-release").chomp
+      platform "oracle"
+      platform_version get_redhatish_version(contents)
+    elsif file_exist?("/etc/f5-release")
+      platform "bigip"
+      platform_version bigip_version
+    elsif file_exist?("/etc/debian_version")
+      # Ubuntu and Debian both have /etc/debian_version
+      # Ubuntu should always have a working lsb, debian does not by default
+      if /Ubuntu/i.match?(lsb[:id])
+        platform "ubuntu"
+        platform_version lsb[:release]
+      else
+        platform "debian"
+        platform_version file_read("/etc/debian_version").chomp
+      end
+    elsif file_exist?("/etc/parallels-release")
+      contents = file_read("/etc/parallels-release").chomp
+      platform get_redhatish_platform(contents)
+      platform_version contents.match(/(\d\.\d\.\d)/)[0]
+    elsif file_exist?("/etc/Eos-release")
+      platform "arista_eos"
+      platform_version file_read("/etc/Eos-release").strip.split[-1]
+    elsif file_exist?("/etc/redhat-release")
+      contents = file_read("/etc/redhat-release").chomp
+      platform get_redhatish_platform(contents)
+      platform_version get_redhatish_version(contents)
+    elsif file_exist?("/etc/system-release")
+      contents = file_read("/etc/system-release").chomp
+      platform get_redhatish_platform(contents)
+      platform_version get_redhatish_version(contents)
+    elsif file_exist?("/etc/SuSE-release")
+      suse_release = file_read("/etc/SuSE-release")
+      suse_version = suse_release.scan(/VERSION = (\d+)\nPATCHLEVEL = (\d+)/).flatten.join(".")
+      suse_version = suse_release[/VERSION = ([\d\.]{2,})/, 1] if suse_version == ""
+      platform_version suse_version
+      if /^openSUSE/.match?(suse_release)
+        # opensuse releases >= 42 are openSUSE Leap
+        if platform_version.to_i < 42
+          platform "opensuse"
+        else
+          platform "opensuseleap"
+        end
+      else
+        platform "suse"
+      end
+    elsif os_release_file_is_cisco?
+      raise "unknown Cisco /etc/os-release or /etc/cisco-release ID_LIKE field" if
+        os_release_info["ID_LIKE"].nil? || !os_release_info["ID_LIKE"].include?("wrlinux")
+
+      case os_release_info["ID"]
+      when "nexus"
+        platform "nexus"
+      when "ios_xr"
+        platform "ios_xr"
+      else
+        raise "unknown Cisco /etc/os-release or /etc/cisco-release ID field"
+      end
+
+      platform_version os_release_info["VERSION"]
+    elsif file_exist?("/etc/slackware-version")
+      platform "slackware"
+      platform_version file_read("/etc/slackware-version").scan(/(\d+|\.+)/).join
+    elsif file_exist?("/etc/exherbo-release")
+      platform "exherbo"
+      # no way to determine platform_version in a rolling release distribution
+      # kernel release will be used - ex. 3.13
+      platform_version shell_out("/bin/uname -r").stdout.strip
+    elsif file_exist?("/usr/lib/os-release")
+      contents = file_read("/usr/lib/os-release")
+      if /clear-linux-os/.match?(contents) # Clear Linux https://clearlinux.org/
+        platform "clearlinux"
+        platform_version contents[/VERSION_ID=(\d+)/, 1]
+      end
+    elsif /RedHat/i.match?(lsb[:id])
+      platform "redhat"
+      platform_version lsb[:release]
+    elsif /Amazon/i.match?(lsb[:id])
+      platform "amazon"
+      platform_version lsb[:release]
+    elsif /ScientificSL/i.match?(lsb[:id])
+      platform "scientific"
+      platform_version lsb[:release]
+    elsif /XenServer/i.match?(lsb[:id])
+      platform "xenserver"
+      platform_version lsb[:release]
+    elsif lsb[:id] # LSB can provide odd data that changes between releases, so we currently fall back on it rather than dealing with its subtleties
+      platform lsb[:id].downcase
+      platform_version lsb[:release]
+    end
+  end
+
+  # Grab the version from the VERSION_ID field and use the kernel release if that's not
+  # available. It should be there for everything, but rolling releases like arch / gentoo
+  # where we've traditionally used the kernel as the version
+  # @return String the OS version
+  def determine_os_version
+    # centos only includes the major version in os-release for some reason
+    if os_release_info["ID"] == "centos"
+      get_redhatish_version(file_read("/etc/redhat-release").chomp)
+    # debian testing and unstable don't have VERSION_ID set
+    elsif os_release_info["ID"] == "debian"
+      os_release_info["VERSION_ID"] || file_read("/etc/debian_version").chomp
+    else
+      os_release_info["VERSION_ID"] || shell_out("/bin/uname -r").stdout.strip
+    end
+  end
+
+  collect_data(:linux) do
+    if file_exist?("/etc/os-release")
+      logger.trace("Plugin platform: Using /etc/os-release for platform detection")
+
+      # fixup os-release names to ohai platform names
+      platform platform_id_remap(os_release_info["ID"])
+
+      platform_version determine_os_version
+    else # we're on an old Linux distro
+      legacy_platform_detection
+    end
+
+    # unless we set it in a specific way with the platform logic above set based on platform data
+    platform_family platform_family_from_platform(platform) if platform_family.nil?
+  end
+end