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
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
|
{- git-annex command
-
- Copyright 2011 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Command.Status where
import Control.Monad.State.Strict
import qualified Data.Map as M
import qualified Data.Set as S
import Data.Set (Set)
import Text.JSON
import Common.Annex
import qualified Types.Backend as B
import qualified Types.Remote as R
import qualified Remote
import qualified Command.Unused
import qualified Git
import qualified Annex
import Command
import Utility.DataUnits
import Annex.Content
import Types.Key
import Backend
import Logs.UUID
import Logs.Trust
import Remote
-- a named computation that produces a statistic
type Stat = StatState (Maybe (String, StatState String))
-- cached info that multiple Stats may need
data StatInfo = StatInfo
{ keysPresentCache :: Maybe (Set Key)
, keysReferencedCache :: Maybe (Set Key)
}
-- a state monad for running Stats in
type StatState = StateT StatInfo Annex
def :: [Command]
def = [command "status" paramNothing seek
"shows status information about the annex"]
seek :: [CommandSeek]
seek = [withNothing start]
{- Order is significant. Less expensive operations, and operations
- that share data go together.
-}
fast_stats :: [Stat]
fast_stats =
[ supported_backends
, supported_remote_types
, remote_list Trusted "trusted"
, remote_list SemiTrusted "semitrusted"
, remote_list UnTrusted "untrusted"
, remote_list DeadTrusted "dead"
]
slow_stats :: [Stat]
slow_stats =
[ tmp_size
, bad_data_size
, local_annex_keys
, local_annex_size
, known_annex_keys
, known_annex_size
, backend_usage
]
start :: CommandStart
start = do
fast <- Annex.getState Annex.fast
let stats = if fast then fast_stats else fast_stats ++ slow_stats
showCustom "status" $ do
evalStateT (mapM_ showStat stats) (StatInfo Nothing Nothing)
return True
stop
stat :: String -> (String -> StatState String) -> Stat
stat desc a = return $ Just (desc, a desc)
nostat :: Stat
nostat = return Nothing
json :: JSON j => (j -> String) -> StatState j -> String -> StatState String
json serialize a desc = do
j <- a
lift $ maybeShowJSON [(desc, j)]
return $ serialize j
nojson :: StatState String -> String -> StatState String
nojson a _ = a
showStat :: Stat -> StatState ()
showStat s = calc =<< s
where
calc (Just (desc, a)) = do
(lift . showHeader) desc
lift . showRaw =<< a
calc Nothing = return ()
supported_backends :: Stat
supported_backends = stat "supported backends" $ json unwords $
return $ map B.name Backend.list
supported_remote_types :: Stat
supported_remote_types = stat "supported remote types" $ json unwords $
return $ map R.typename Remote.remoteTypes
remote_list :: TrustLevel -> String -> Stat
remote_list level desc = stat n $ nojson $ lift $ do
us <- M.keys <$> (M.union <$> uuidMap <*> remoteMap Remote.name)
rs <- fst <$> trustPartition level us
s <- prettyPrintUUIDs n rs
return $ if null s then "0" else show (length rs) ++ "\n" ++ beginning s
where
n = desc ++ " repositories"
local_annex_size :: Stat
local_annex_size = stat "local annex size" $ json id $
keySizeSum <$> cachedKeysPresent
local_annex_keys :: Stat
local_annex_keys = stat "local annex keys" $ json show $
S.size <$> cachedKeysPresent
known_annex_size :: Stat
known_annex_size = stat "known annex size" $ json id $
keySizeSum <$> cachedKeysReferenced
known_annex_keys :: Stat
known_annex_keys = stat "known annex keys" $ json show $
S.size <$> cachedKeysReferenced
tmp_size :: Stat
tmp_size = staleSize "temporary directory size" gitAnnexTmpDir
bad_data_size :: Stat
bad_data_size = staleSize "bad keys size" gitAnnexBadDir
backend_usage :: Stat
backend_usage = stat "backend usage" $ nojson $
calc <$> cachedKeysReferenced <*> cachedKeysPresent
where
calc a b = pp "" $ reverse . sort $ map swap $ splits $ S.toList $ S.union a b
splits :: [Key] -> [(String, Integer)]
splits ks = M.toList $ M.fromListWith (+) $ map tcount ks
tcount k = (keyBackendName k, 1)
swap (a, b) = (b, a)
pp c [] = c
pp c ((n, b):xs) = "\n\t" ++ b ++ ": " ++ show n ++ pp c xs
cachedKeysPresent :: StatState (Set Key)
cachedKeysPresent = do
s <- get
case keysPresentCache s of
Just v -> return v
Nothing -> do
keys <- S.fromList <$> lift getKeysPresent
put s { keysPresentCache = Just keys }
return keys
cachedKeysReferenced :: StatState (Set Key)
cachedKeysReferenced = do
s <- get
case keysReferencedCache s of
Just v -> return v
Nothing -> do
keys <- S.fromList <$> lift Command.Unused.getKeysReferenced
put s { keysReferencedCache = Just keys }
return keys
keySizeSum :: Set Key -> String
keySizeSum s = total ++ missingnote
where
knownsizes = mapMaybe keySize $ S.toList s
total = roughSize storageUnits False $ sum knownsizes
missing = S.size s - genericLength knownsizes
missingnote
| missing == 0 = ""
| otherwise = aside $
"+ " ++ show missing ++
" keys of unknown size"
staleSize :: String -> (Git.Repo -> FilePath) -> Stat
staleSize label dirspec = do
keys <- lift (Command.Unused.staleKeys dirspec)
if null keys
then nostat
else stat label $ json (++ aside "clean up with git-annex unused") $
return $ keySizeSum $ S.fromList keys
aside :: String -> String
aside s = " (" ++ s ++ ")"
|
