Module: Train::Platforms::Detect::Helpers::OSCommon
Instance Method Summary
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Methods included from Windows
#detect_windows, #read_wmic, #read_wmic_cpu, #windows_uuid, #windows_uuid_from_chef, #windows_uuid_from_machine_file, #windows_uuid_from_registry, #windows_uuid_from_wmic
Methods included from Linux
#linux_os_release, #lsb_config, #lsb_release, #parse_os_release_info, #read_linux_lsb, #redhatish_platform, #redhatish_version
Instance Method Details
#brocade_version ⇒ Object
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# File 'lib/train/platforms/detect/helpers/os_common.rb', line 56
def brocade_version
return @cache[:brocade] if @cache.key?(:brocade)
res = command_output('version')
m = res.match(/^Fabric OS:\s+v(\S+)$/)
unless m.nil?
return @cache[:brocade] = { version: m[1], type: 'fos' }
end
@cache[:brocade] = nil
end
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#cisco_show_version ⇒ Object
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# File 'lib/train/platforms/detect/helpers/os_common.rb', line 68
def cisco_show_version
return @cache[:cisco] if @cache.key?(:cisco)
res = command_output('show version')
m = res.match(/^Cisco IOS Software, [^,]+? \(([^,]+?)\), Version (\d+\.\d+)/)
unless m.nil?
return @cache[:cisco] = { version: m[2], model: m[1], type: 'ios' }
end
m = res.match(/^Cisco IOS Software, IOS-XE Software, [^,]+? \(([^,]+?)\), Version (\d+\.\d+\.\d+[A-Z]*)/)
unless m.nil?
return @cache[:cisco] = { version: m[2], model: m[1], type: 'ios-xe' }
end
m = res.match(/^Cisco Nexus Operating System \(NX-OS\) Software/)
unless m.nil?
v = res[/^\s*system:\s+version (\d+\.\d+)/, 1]
return @cache[:cisco] = { version: v, type: 'nexus' }
end
@cache[:cisco] = nil
end
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#command_output(cmd) ⇒ Object
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# File 'lib/train/platforms/detect/helpers/os_common.rb', line 35
def command_output(cmd)
res = @backend.run_command(cmd).stdout
res.strip! unless res.nil?
res
end
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#ruby_host_os(regex) ⇒ Object
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# File 'lib/train/platforms/detect/helpers/os_common.rb', line 12
def ruby_host_os(regex)
::RbConfig::CONFIG['host_os'] =~ regex
end
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#unix_file_contents(path) ⇒ Object
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# File 'lib/train/platforms/detect/helpers/os_common.rb', line 21
def unix_file_contents(path)
return @files[path] if @files.key?(path)
res = @backend.run_command("test -f #{path} && cat #{path}")
@files[path] = res.exit_status.zero? ? res.stdout : nil
@files[path]
end
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#unix_file_exist?(path) ⇒ Boolean
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# File 'lib/train/platforms/detect/helpers/os_common.rb', line 31
def unix_file_exist?(path)
@backend.run_command("test -f #{path}").exit_status.zero?
end
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#unix_uname_m ⇒ Object
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# File 'lib/train/platforms/detect/helpers/os_common.rb', line 51
def unix_uname_m
return @uname[:m] if @uname.key?(:m)
@uname[:m] = command_output('uname -m')
end
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#unix_uname_r ⇒ Object
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# File 'lib/train/platforms/detect/helpers/os_common.rb', line 46
def unix_uname_r
return @uname[:r] if @uname.key?(:r)
@uname[:r] = command_output('uname -r')
end
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#unix_uname_s ⇒ Object
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# File 'lib/train/platforms/detect/helpers/os_common.rb', line 41
def unix_uname_s
return @uname[:s] if @uname.key?(:s)
@uname[:s] = command_output('uname -s')
end
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#unix_uuid ⇒ Object
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# File 'lib/train/platforms/detect/helpers/os_common.rb', line 91
def unix_uuid
uuid = unix_uuid_from_chef
uuid = unix_uuid_from_machine_file if uuid.nil?
uuid = uuid_from_command if uuid.nil?
raise Train::TransportError, 'Cannot find a UUID for your node.' if uuid.nil?
uuid
end
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#unix_uuid_from_chef ⇒ Object
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# File 'lib/train/platforms/detect/helpers/os_common.rb', line 99
def unix_uuid_from_chef
file = @backend.file('/var/chef/cache/data_collector_metadata.json')
if file.exist? && !file.size.zero?
json = ::JSON.parse(file.content)
return json['node_uuid'] if json['node_uuid']
end
end
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#unix_uuid_from_machine_file ⇒ Object
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# File 'lib/train/platforms/detect/helpers/os_common.rb', line 107
def unix_uuid_from_machine_file
%W(
/etc/chef/chef_guid
#{ENV['HOME']}/.chef/chef_guid
/etc/machine-id
/var/lib/dbus/machine-id
/var/db/dbus/machine-id
).each do |path|
file = @backend.file(path)
next unless file.exist? && !file.size.zero?
return file.content.chomp if path =~ /guid/
return uuid_from_string(file.content.chomp)
end
nil
end
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#uuid_from_command ⇒ Object
This takes a command from the platform detect block to run. We expect the command to return a unique identifier which we turn into a UUID.
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# File 'lib/train/platforms/detect/helpers/os_common.rb', line 126
def uuid_from_command
return unless @platform[:uuid_command]
result = @backend.run_command(@platform[:uuid_command])
uuid_from_string(result.stdout.chomp) if result.exit_status.zero? && !result.stdout.empty?
end
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#uuid_from_string(string) ⇒ Object
This hashes the passed string into SHA1. Then it downgrades the 160bit SHA1 to a 128bit then we format it as a valid UUIDv5.
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# File 'lib/train/platforms/detect/helpers/os_common.rb', line 135
def uuid_from_string(string)
hash = Digest::SHA1.new
hash.update(string)
ary = hash.digest.unpack('NnnnnN')
ary[2] = (ary[2] & 0x0FFF) | (5 << 12)
ary[3] = (ary[3] & 0x3FFF) | 0x8000
'%08x-%04x-%04x-%04x-%04x%08x' % ary
end
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#winrm? ⇒ Boolean
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# File 'lib/train/platforms/detect/helpers/os_common.rb', line 16
def winrm?
Object.const_defined?('Train::Transports::WinRM::Connection') &&
@backend.class == Train::Transports::WinRM::Connection
end
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