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1 | ba9349b8 | Iustin Pop | {-# LANGUAGE CPP #-} |
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2 | ba9349b8 | Iustin Pop | |
3 | ba9349b8 | Iustin Pop | {-| Scan clusters via RAPI or LUXI and write state data files. |
4 | 1b7a5835 | Iustin Pop | |
5 | 1b7a5835 | Iustin Pop | -} |
6 | 1b7a5835 | Iustin Pop | |
7 | e2fa2baf | Iustin Pop | {- |
8 | e2fa2baf | Iustin Pop | |
9 | 3bf75b7d | Iustin Pop | Copyright (C) 2009, 2010 Google Inc. |
10 | e2fa2baf | Iustin Pop | |
11 | e2fa2baf | Iustin Pop | This program is free software; you can redistribute it and/or modify |
12 | e2fa2baf | Iustin Pop | it under the terms of the GNU General Public License as published by |
13 | e2fa2baf | Iustin Pop | the Free Software Foundation; either version 2 of the License, or |
14 | e2fa2baf | Iustin Pop | (at your option) any later version. |
15 | e2fa2baf | Iustin Pop | |
16 | e2fa2baf | Iustin Pop | This program is distributed in the hope that it will be useful, but |
17 | e2fa2baf | Iustin Pop | WITHOUT ANY WARRANTY; without even the implied warranty of |
18 | e2fa2baf | Iustin Pop | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
19 | e2fa2baf | Iustin Pop | General Public License for more details. |
20 | e2fa2baf | Iustin Pop | |
21 | e2fa2baf | Iustin Pop | You should have received a copy of the GNU General Public License |
22 | e2fa2baf | Iustin Pop | along with this program; if not, write to the Free Software |
23 | e2fa2baf | Iustin Pop | Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
24 | e2fa2baf | Iustin Pop | 02110-1301, USA. |
25 | e2fa2baf | Iustin Pop | |
26 | e2fa2baf | Iustin Pop | -} |
27 | e2fa2baf | Iustin Pop | |
28 | 1b7a5835 | Iustin Pop | module Main (main) where |
29 | 1b7a5835 | Iustin Pop | |
30 | 5182e970 | Iustin Pop | import Data.Maybe (isJust, fromJust, fromMaybe) |
31 | 1b7a5835 | Iustin Pop | import Monad |
32 | 0903280b | Iustin Pop | import System (exitWith, ExitCode(..)) |
33 | 1b7a5835 | Iustin Pop | import System.IO |
34 | 1b7a5835 | Iustin Pop | import System.FilePath |
35 | 1b7a5835 | Iustin Pop | import qualified System |
36 | 1b7a5835 | Iustin Pop | |
37 | 1b7a5835 | Iustin Pop | import Text.Printf (printf) |
38 | 1b7a5835 | Iustin Pop | |
39 | 1b7a5835 | Iustin Pop | import qualified Ganeti.HTools.Container as Container |
40 | 1b7a5835 | Iustin Pop | import qualified Ganeti.HTools.Cluster as Cluster |
41 | 1b7a5835 | Iustin Pop | import qualified Ganeti.HTools.Node as Node |
42 | 1b7a5835 | Iustin Pop | import qualified Ganeti.HTools.Instance as Instance |
43 | ba9349b8 | Iustin Pop | #ifndef NO_CURL |
44 | 040afc35 | Iustin Pop | import qualified Ganeti.HTools.Rapi as Rapi |
45 | ba9349b8 | Iustin Pop | #endif |
46 | ba9349b8 | Iustin Pop | import qualified Ganeti.HTools.Luxi as Luxi |
47 | e4c5beaf | Iustin Pop | import qualified Ganeti.HTools.Loader as Loader |
48 | 4a273e97 | Iustin Pop | import Ganeti.HTools.Text (serializeCluster) |
49 | 1b7a5835 | Iustin Pop | |
50 | 0427285d | Iustin Pop | import Ganeti.HTools.CLI |
51 | 0427285d | Iustin Pop | import Ganeti.HTools.Types |
52 | 1b7a5835 | Iustin Pop | |
53 | 1b7a5835 | Iustin Pop | -- | Options list and functions |
54 | 0427285d | Iustin Pop | options :: [OptType] |
55 | 1b7a5835 | Iustin Pop | options = |
56 | 0427285d | Iustin Pop | [ oPrintNodes |
57 | 0427285d | Iustin Pop | , oOutputDir |
58 | ba9349b8 | Iustin Pop | , oLuxiSocket |
59 | 0427285d | Iustin Pop | , oVerbose |
60 | 0427285d | Iustin Pop | , oNoHeaders |
61 | 0427285d | Iustin Pop | , oShowVer |
62 | 0427285d | Iustin Pop | , oShowHelp |
63 | 1b7a5835 | Iustin Pop | ] |
64 | 1b7a5835 | Iustin Pop | |
65 | 1b7a5835 | Iustin Pop | -- | Return a one-line summary of cluster state |
66 | 262a08a2 | Iustin Pop | printCluster :: Node.List -> Instance.List |
67 | 1b7a5835 | Iustin Pop | -> String |
68 | dbd6700b | Iustin Pop | printCluster nl il = |
69 | 1b7a5835 | Iustin Pop | let (bad_nodes, bad_instances) = Cluster.computeBadItems nl il |
70 | 1b7a5835 | Iustin Pop | ccv = Cluster.compCV nl |
71 | 1b7a5835 | Iustin Pop | nodes = Container.elems nl |
72 | dbd6700b | Iustin Pop | insts = Container.elems il |
73 | 2060348b | Iustin Pop | t_ram = sum . map Node.tMem $ nodes |
74 | 2060348b | Iustin Pop | t_dsk = sum . map Node.tDsk $ nodes |
75 | 2060348b | Iustin Pop | f_ram = sum . map Node.fMem $ nodes |
76 | 2060348b | Iustin Pop | f_dsk = sum . map Node.fDsk $ nodes |
77 | 1b7a5835 | Iustin Pop | in |
78 | 78694255 | Iustin Pop | printf "%5d %5d %5d %5d %6.0f %6d %6.0f %6d %.8f" |
79 | dbd6700b | Iustin Pop | (length nodes) (length insts) |
80 | 1b7a5835 | Iustin Pop | (length bad_nodes) (length bad_instances) |
81 | 78694255 | Iustin Pop | t_ram f_ram |
82 | 78694255 | Iustin Pop | (t_dsk / 1024) (f_dsk `div` 1024) |
83 | 1b7a5835 | Iustin Pop | ccv |
84 | 1b7a5835 | Iustin Pop | |
85 | 1b7a5835 | Iustin Pop | |
86 | 0944090a | Iustin Pop | -- | Replace slashes with underscore for saving to filesystem |
87 | 0944090a | Iustin Pop | fixSlash :: String -> String |
88 | 0944090a | Iustin Pop | fixSlash = map (\x -> if x == '/' then '_' else x) |
89 | 0944090a | Iustin Pop | |
90 | ba9349b8 | Iustin Pop | |
91 | ba9349b8 | Iustin Pop | -- | Generates serialized data from loader input |
92 | ba9349b8 | Iustin Pop | processData :: Result (Node.AssocList, Instance.AssocList, [String]) |
93 | ba9349b8 | Iustin Pop | -> Result (Node.List, Instance.List, String) |
94 | ba9349b8 | Iustin Pop | processData input_data = do |
95 | 3e4480e0 | Iustin Pop | (nl, il, _) <- input_data >>= Loader.mergeData [] [] [] |
96 | ba9349b8 | Iustin Pop | let (_, fix_nl) = Loader.checkData nl il |
97 | 4a273e97 | Iustin Pop | adata = serializeCluster nl il |
98 | ba9349b8 | Iustin Pop | return (fix_nl, il, adata) |
99 | ba9349b8 | Iustin Pop | |
100 | ba9349b8 | Iustin Pop | -- | Writes cluster data out |
101 | ba9349b8 | Iustin Pop | writeData :: Int |
102 | ba9349b8 | Iustin Pop | -> String |
103 | ba9349b8 | Iustin Pop | -> Options |
104 | ba9349b8 | Iustin Pop | -> Result (Node.List, Instance.List, String) |
105 | f688711c | Iustin Pop | -> IO Bool |
106 | ba9349b8 | Iustin Pop | writeData _ name _ (Bad err) = |
107 | f688711c | Iustin Pop | printf "\nError for %s: failed to load data. Details:\n%s\n" name err >> |
108 | f688711c | Iustin Pop | return False |
109 | ba9349b8 | Iustin Pop | |
110 | ba9349b8 | Iustin Pop | writeData nlen name opts (Ok (nl, il, adata)) = do |
111 | c939b58e | Iustin Pop | printf "%-*s " nlen name :: IO () |
112 | ba9349b8 | Iustin Pop | hFlush stdout |
113 | ba9349b8 | Iustin Pop | let shownodes = optShowNodes opts |
114 | ba9349b8 | Iustin Pop | odir = optOutPath opts |
115 | ba9349b8 | Iustin Pop | oname = odir </> fixSlash name |
116 | ba9349b8 | Iustin Pop | putStrLn $ printCluster nl il |
117 | ba9349b8 | Iustin Pop | hFlush stdout |
118 | ba9349b8 | Iustin Pop | when (isJust shownodes) $ |
119 | ba9349b8 | Iustin Pop | putStr $ Cluster.printNodes nl (fromJust shownodes) |
120 | ba9349b8 | Iustin Pop | writeFile (oname <.> "data") adata |
121 | f688711c | Iustin Pop | return True |
122 | ba9349b8 | Iustin Pop | |
123 | 1b7a5835 | Iustin Pop | -- | Main function. |
124 | 1b7a5835 | Iustin Pop | main :: IO () |
125 | 1b7a5835 | Iustin Pop | main = do |
126 | 1b7a5835 | Iustin Pop | cmd_args <- System.getArgs |
127 | 0427285d | Iustin Pop | (opts, clusters) <- parseOpts cmd_args "hscan" options |
128 | ba9349b8 | Iustin Pop | let local = "LOCAL" |
129 | 1b7a5835 | Iustin Pop | |
130 | ba9349b8 | Iustin Pop | let nlen = if null clusters |
131 | ba9349b8 | Iustin Pop | then length local |
132 | ba9349b8 | Iustin Pop | else maximum . map length $ clusters |
133 | 1b7a5835 | Iustin Pop | |
134 | 0427285d | Iustin Pop | unless (optNoHeaders opts) $ |
135 | 1b7a5835 | Iustin Pop | printf "%-*s %5s %5s %5s %5s %6s %6s %6s %6s %10s\n" nlen |
136 | 1b7a5835 | Iustin Pop | "Name" "Nodes" "Inst" "BNode" "BInst" "t_mem" "f_mem" |
137 | 1b7a5835 | Iustin Pop | "t_disk" "f_disk" "Score" |
138 | 1b7a5835 | Iustin Pop | |
139 | ba9349b8 | Iustin Pop | when (null clusters) $ do |
140 | 5182e970 | Iustin Pop | let lsock = fromMaybe defaultLuxiSocket (optLuxi opts) |
141 | ba9349b8 | Iustin Pop | let name = local |
142 | ba9349b8 | Iustin Pop | input_data <- Luxi.loadData lsock |
143 | f688711c | Iustin Pop | result <- writeData nlen name opts (processData input_data) |
144 | f688711c | Iustin Pop | when (not result) $ exitWith $ ExitFailure 2 |
145 | ba9349b8 | Iustin Pop | |
146 | ba9349b8 | Iustin Pop | #ifndef NO_CURL |
147 | f688711c | Iustin Pop | results <- mapM (\ name -> |
148 | f688711c | Iustin Pop | do |
149 | f688711c | Iustin Pop | input_data <- Rapi.loadData name |
150 | f688711c | Iustin Pop | writeData nlen name opts (processData input_data) |
151 | f688711c | Iustin Pop | ) clusters |
152 | f688711c | Iustin Pop | when (not $ all id results) $ exitWith (ExitFailure 2) |
153 | ba9349b8 | Iustin Pop | #else |
154 | ba9349b8 | Iustin Pop | when (not $ null clusters) $ do |
155 | ba9349b8 | Iustin Pop | putStrLn "RAPI/curl backend disabled at compile time, cannot scan clusters" |
156 | ba9349b8 | Iustin Pop | exitWith $ ExitFailure 1 |
157 | ba9349b8 | Iustin Pop | #endif |