Class: Shutter::OS

Inherits:
Object
  • Object
show all
Defined in:
lib/shutter/os.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ OS

Returns a new instance of OS.



3
4
5
6
7
 
# File 'lib/shutter/os.rb', line 3

def initialize
  unless File.exist?('/proc/version')
    @version = "Unknown"
  end
end

Instance Method Details

#debian? ⇒ Boolean

Returns:

  • (Boolean) 


69
70
71
 
# File 'lib/shutter/os.rb', line 69

def debian?
  dist == "Debian"
end

#dist ⇒ Object 



48
49
50
51
52
53
54
55
56
57
58
59
 
# File 'lib/shutter/os.rb', line 48

def dist
  case version
  when /Red Hat/
    "RedHat"
  when /Debian/
    "Debian"
  when /Ubuntu/
    "Ubuntu"
  else
    "Unknown"
  end
end

#family ⇒ Object 



15
16
17
 
# File 'lib/shutter/os.rb', line 15

def family
  @family ||= ENV['OS'] ? ENV['OS'] : RUBY_PLATFORM.split('-').last
end

#iptables_restore ⇒ Object 



31
32
33
 
# File 'lib/shutter/os.rb', line 31

def iptables_restore
  "/sbin/iptables-restore"
end

#iptables_save ⇒ Object 



27
28
29
 
# File 'lib/shutter/os.rb', line 27

def iptables_save
  "/sbin/iptables-save"
end

#linux? ⇒ Boolean

Returns:

  • (Boolean) 


23
24
25
 
# File 'lib/shutter/os.rb', line 23

def linux?
  family == "linux"
end

#persist_file ⇒ Object 



35
36
37
38
39
40
41
42
43
44
45
46
 
# File 'lib/shutter/os.rb', line 35

def persist_file
  case version
  when /Red Hat/
    "/etc/sysconfig/iptables"
  when /Debian/
    "/etc/iptables/rules"
  when /Ubuntu/
    "/etc/iptables/rules"
  else
    "/tmp/iptables.rules"
  end
end

#redhat? ⇒ Boolean Also known as: centos?, fedora?

Returns:

  • (Boolean) 


61
62
63
 
# File 'lib/shutter/os.rb', line 61

def redhat?
  dist == "RedHat"
end

#ubuntu? ⇒ Boolean

Returns:

  • (Boolean) 


65
66
67
 
# File 'lib/shutter/os.rb', line 65

def ubuntu?
  dist == "Ubuntu"
end

#unknown? ⇒ Boolean

Returns:

  • (Boolean) 


73
74
75
 
# File 'lib/shutter/os.rb', line 73

def unknown?
  dist == "Unknown"
end

#validate! ⇒ Object 



9
10
11
12
13
 
# File 'lib/shutter/os.rb', line 9

def validate!
  if unknown?
    raise "ERROR: Unsupported operating system"
  end
end

#version ⇒ Object 



19
20
21
 
# File 'lib/shutter/os.rb', line 19

def version
  @version ||= IO.read('/proc/version')
end