summaryrefslogtreecommitdiff
path: root/src/Propellor/Types/OS.hs
blob: ad0a71852fa36b65973ab3c4d7e03bc6993a49c2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
{-# LANGUAGE DeriveDataTypeable #-}

module Propellor.Types.OS (
	System(..),
	Distribution(..),
	TargetOS(..),
	DebianSuite(..),
	FreeBSDRelease(..),
	FBSDVersion(..),
	isStable,
	Release,
	Architecture(..),
	architectureToDebianArchString,
	HostName,
	UserName,
	User(..),
	Group(..),
	userGroup,
	Port(..),
	fromPort,
	systemToTargetOS,
) where

import Network.BSD (HostName)
import Data.Typeable
import Data.String

-- | High level description of a operating system.
data System = System Distribution Architecture
	deriving (Show, Eq, Typeable)

data Distribution
	= Debian DebianSuite
	| Buntish Release -- ^ A well-known Debian derivative founded by a space tourist. The actual name of this distribution is not used in Propellor per <http://joeyh.name/blog/entry/trademark_nonsense/>
	| FreeBSD FreeBSDRelease
	deriving (Show, Eq)

-- | Properties can target one or more OS's; the targets are part
-- of the type of the property, so need to be kept fairly simple.
data TargetOS
	= OSDebian
	| OSBuntish
	| OSFreeBSD
	deriving (Show, Eq, Ord)

systemToTargetOS :: System -> TargetOS
systemToTargetOS (System (Debian _) _) = OSDebian
systemToTargetOS (System (Buntish _) _) = OSBuntish
systemToTargetOS (System (FreeBSD _) _) = OSFreeBSD

-- | Debian has several rolling suites, and a number of stable releases,
-- such as Stable "jessie".
data DebianSuite = Experimental | Unstable | Testing | Stable Release
	deriving (Show, Eq)

-- | FreeBSD breaks their releases into "Production" and "Legacy".
data FreeBSDRelease = FBSDProduction FBSDVersion | FBSDLegacy FBSDVersion
	deriving (Show, Eq)

data FBSDVersion = FBSD101 | FBSD102 | FBSD093
	deriving (Eq)

instance IsString FBSDVersion where
	fromString "10.1-RELEASE" = FBSD101
	fromString "10.2-RELEASE" = FBSD102
	fromString "9.3-RELEASE" = FBSD093
	fromString _ = error "Invalid FreeBSD release"

instance Show FBSDVersion where
	show FBSD101 = "10.1-RELEASE"
	show FBSD102 = "10.2-RELEASE"
	show FBSD093 = "9.3-RELEASE"

isStable :: DebianSuite -> Bool
isStable (Stable _) = True
isStable _ = False

type Release = String

-- | Many of these architecture names are based on the names used by
-- Debian, with a few exceptions for clarity.
data Architecture
	= X86_64 -- ^ 64 bit Intel, called "amd64" in Debian
	| X86_32 -- ^ 32 bit Intel, called "i386" in Debian
	| ARMHF
	| ARMEL
	| PPC
	| PPC64
	| SPARC
	| SPARC64
	| MIPS
	| MIPSEL
	| MIPS64EL
	| SH4
	| IA64 -- ^ Itanium
	| S390
	| S390X
	| ALPHA
	| HPPA
	| M68K
	| ARM64
	| X32 -- ^ New Linux ABI for 64 bit CPUs using 32-bit integers. Not widely used.
	deriving (Show, Eq)

architectureToDebianArchString :: Architecture -> String
architectureToDebianArchString X86_64 = "amd64"
architectureToDebianArchString X86_32 = "i386"
architectureToDebianArchString ARMHF = "armhf"
architectureToDebianArchString ARMEL = "armel"
architectureToDebianArchString PPC = "powerpc"
architectureToDebianArchString PPC64 = "ppc64el"
architectureToDebianArchString SPARC = "sparc"
architectureToDebianArchString SPARC64 = "sparc64"
architectureToDebianArchString MIPS = "mips"
architectureToDebianArchString MIPSEL = "mipsel"
architectureToDebianArchString MIPS64EL = "mips64el"
architectureToDebianArchString SH4 = "sh"
architectureToDebianArchString IA64 = "ia64"
architectureToDebianArchString S390 = "s390"
architectureToDebianArchString S390X = "s390x"
architectureToDebianArchString ALPHA = "alpha"
architectureToDebianArchString HPPA = "hppa"
architectureToDebianArchString M68K = "m68k"
architectureToDebianArchString ARM64 = "arm64"
architectureToDebianArchString X32 = "x32"

type UserName = String

newtype User = User UserName
	deriving (Eq, Ord, Show)

newtype Group = Group String
	deriving (Eq, Ord, Show)

-- | Makes a Group with the same name as the User.
userGroup :: User -> Group
userGroup (User u) = Group u

newtype Port = Port Int
	deriving (Eq, Show)

fromPort :: Port -> String
fromPort (Port p) = show p