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1 | 1b7a5835 | Iustin Pop | {-| Scan clusters via RAPI and write instance/node data files. |
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2 | 1b7a5835 | Iustin Pop | |
3 | 1b7a5835 | Iustin Pop | -} |
4 | 1b7a5835 | Iustin Pop | |
5 | e2fa2baf | Iustin Pop | {- |
6 | e2fa2baf | Iustin Pop | |
7 | e2fa2baf | Iustin Pop | Copyright (C) 2009 Google Inc. |
8 | e2fa2baf | Iustin Pop | |
9 | e2fa2baf | Iustin Pop | This program is free software; you can redistribute it and/or modify |
10 | e2fa2baf | Iustin Pop | it under the terms of the GNU General Public License as published by |
11 | e2fa2baf | Iustin Pop | the Free Software Foundation; either version 2 of the License, or |
12 | e2fa2baf | Iustin Pop | (at your option) any later version. |
13 | e2fa2baf | Iustin Pop | |
14 | e2fa2baf | Iustin Pop | This program is distributed in the hope that it will be useful, but |
15 | e2fa2baf | Iustin Pop | WITHOUT ANY WARRANTY; without even the implied warranty of |
16 | e2fa2baf | Iustin Pop | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
17 | e2fa2baf | Iustin Pop | General Public License for more details. |
18 | e2fa2baf | Iustin Pop | |
19 | e2fa2baf | Iustin Pop | You should have received a copy of the GNU General Public License |
20 | e2fa2baf | Iustin Pop | along with this program; if not, write to the Free Software |
21 | e2fa2baf | Iustin Pop | Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
22 | e2fa2baf | Iustin Pop | 02110-1301, USA. |
23 | e2fa2baf | Iustin Pop | |
24 | e2fa2baf | Iustin Pop | -} |
25 | e2fa2baf | Iustin Pop | |
26 | 1b7a5835 | Iustin Pop | module Main (main) where |
27 | 1b7a5835 | Iustin Pop | |
28 | 1b7a5835 | Iustin Pop | import Data.List |
29 | 1b7a5835 | Iustin Pop | import Data.Function |
30 | 1b7a5835 | Iustin Pop | import Monad |
31 | 1b7a5835 | Iustin Pop | import System |
32 | 1b7a5835 | Iustin Pop | import System.IO |
33 | 1b7a5835 | Iustin Pop | import System.FilePath |
34 | 1b7a5835 | Iustin Pop | import qualified System |
35 | 1b7a5835 | Iustin Pop | |
36 | 1b7a5835 | Iustin Pop | import Text.Printf (printf) |
37 | 1b7a5835 | Iustin Pop | |
38 | 1b7a5835 | Iustin Pop | import qualified Ganeti.HTools.Container as Container |
39 | 1b7a5835 | Iustin Pop | import qualified Ganeti.HTools.Cluster as Cluster |
40 | 1b7a5835 | Iustin Pop | import qualified Ganeti.HTools.Node as Node |
41 | 1b7a5835 | Iustin Pop | import qualified Ganeti.HTools.Instance as Instance |
42 | 040afc35 | Iustin Pop | import qualified Ganeti.HTools.Rapi as Rapi |
43 | e4c5beaf | Iustin Pop | import qualified Ganeti.HTools.Loader as Loader |
44 | 1b7a5835 | Iustin Pop | |
45 | 0427285d | Iustin Pop | import Ganeti.HTools.CLI |
46 | 0427285d | Iustin Pop | import Ganeti.HTools.Types |
47 | 1b7a5835 | Iustin Pop | |
48 | 1b7a5835 | Iustin Pop | -- | Options list and functions |
49 | 0427285d | Iustin Pop | options :: [OptType] |
50 | 1b7a5835 | Iustin Pop | options = |
51 | 0427285d | Iustin Pop | [ oPrintNodes |
52 | 0427285d | Iustin Pop | , oOutputDir |
53 | 0427285d | Iustin Pop | , oVerbose |
54 | 0427285d | Iustin Pop | , oNoHeaders |
55 | 0427285d | Iustin Pop | , oShowVer |
56 | 0427285d | Iustin Pop | , oShowHelp |
57 | 1b7a5835 | Iustin Pop | ] |
58 | 1b7a5835 | Iustin Pop | |
59 | 78694255 | Iustin Pop | -- | Serialize a single node |
60 | 78694255 | Iustin Pop | serializeNode :: String -> Node.Node -> String |
61 | 78694255 | Iustin Pop | serializeNode csf node = |
62 | d4c453d2 | Iustin Pop | printf "%s|%.0f|%d|%d|%.0f|%d|%.0f|%c" (Node.name node ++ csf) |
63 | 2060348b | Iustin Pop | (Node.tMem node) (Node.nMem node) (Node.fMem node) |
64 | 2060348b | Iustin Pop | (Node.tDsk node) (Node.fDsk node) (Node.tCpu node) |
65 | d4c453d2 | Iustin Pop | (if Node.offline node then 'Y' else 'N') |
66 | 78694255 | Iustin Pop | |
67 | 1b7a5835 | Iustin Pop | -- | Generate node file data from node objects |
68 | 78694255 | Iustin Pop | serializeNodes :: String -> Node.List -> String |
69 | 78694255 | Iustin Pop | serializeNodes csf = |
70 | 78694255 | Iustin Pop | unlines . map (serializeNode csf) . Container.elems |
71 | 78694255 | Iustin Pop | |
72 | 78694255 | Iustin Pop | -- | Serialize a single instance |
73 | 78694255 | Iustin Pop | serializeInstance :: String -> Node.List -> Instance.Instance -> String |
74 | 78694255 | Iustin Pop | serializeInstance csf nl inst = |
75 | 78694255 | Iustin Pop | let |
76 | 78694255 | Iustin Pop | iname = Instance.name inst ++ csf |
77 | 2060348b | Iustin Pop | pnode = Container.nameOf nl (Instance.pNode inst) ++ csf |
78 | 2060348b | Iustin Pop | sidx = Instance.sNode inst |
79 | d4c453d2 | Iustin Pop | snode = (if sidx == Node.noSecondary |
80 | d4c453d2 | Iustin Pop | then "" |
81 | 9f6dcdea | Iustin Pop | else Container.nameOf nl sidx ++ csf) |
82 | 78694255 | Iustin Pop | in |
83 | d4c453d2 | Iustin Pop | printf "%s|%d|%d|%d|%s|%s|%s" |
84 | 78694255 | Iustin Pop | iname (Instance.mem inst) (Instance.dsk inst) |
85 | 2060348b | Iustin Pop | (Instance.vcpus inst) (Instance.runSt inst) |
86 | 78694255 | Iustin Pop | pnode snode |
87 | 1b7a5835 | Iustin Pop | |
88 | 1b7a5835 | Iustin Pop | -- | Generate instance file data from instance objects |
89 | 78694255 | Iustin Pop | serializeInstances :: String -> Node.List -> Instance.List -> String |
90 | 78694255 | Iustin Pop | serializeInstances csf nl = |
91 | 78694255 | Iustin Pop | unlines . map (serializeInstance csf nl) . Container.elems |
92 | 1b7a5835 | Iustin Pop | |
93 | 1b7a5835 | Iustin Pop | -- | Return a one-line summary of cluster state |
94 | 262a08a2 | Iustin Pop | printCluster :: Node.List -> Instance.List |
95 | 1b7a5835 | Iustin Pop | -> String |
96 | dbd6700b | Iustin Pop | printCluster nl il = |
97 | 1b7a5835 | Iustin Pop | let (bad_nodes, bad_instances) = Cluster.computeBadItems nl il |
98 | 1b7a5835 | Iustin Pop | ccv = Cluster.compCV nl |
99 | 1b7a5835 | Iustin Pop | nodes = Container.elems nl |
100 | dbd6700b | Iustin Pop | insts = Container.elems il |
101 | 2060348b | Iustin Pop | t_ram = sum . map Node.tMem $ nodes |
102 | 2060348b | Iustin Pop | t_dsk = sum . map Node.tDsk $ nodes |
103 | 2060348b | Iustin Pop | f_ram = sum . map Node.fMem $ nodes |
104 | 2060348b | Iustin Pop | f_dsk = sum . map Node.fDsk $ nodes |
105 | 1b7a5835 | Iustin Pop | in |
106 | 78694255 | Iustin Pop | printf "%5d %5d %5d %5d %6.0f %6d %6.0f %6d %.8f" |
107 | dbd6700b | Iustin Pop | (length nodes) (length insts) |
108 | 1b7a5835 | Iustin Pop | (length bad_nodes) (length bad_instances) |
109 | 78694255 | Iustin Pop | t_ram f_ram |
110 | 78694255 | Iustin Pop | (t_dsk / 1024) (f_dsk `div` 1024) |
111 | 1b7a5835 | Iustin Pop | ccv |
112 | 1b7a5835 | Iustin Pop | |
113 | 1b7a5835 | Iustin Pop | |
114 | 0944090a | Iustin Pop | -- | Replace slashes with underscore for saving to filesystem |
115 | 0944090a | Iustin Pop | |
116 | 0944090a | Iustin Pop | fixSlash :: String -> String |
117 | 0944090a | Iustin Pop | fixSlash = map (\x -> if x == '/' then '_' else x) |
118 | 0944090a | Iustin Pop | |
119 | 1b7a5835 | Iustin Pop | -- | Main function. |
120 | 1b7a5835 | Iustin Pop | main :: IO () |
121 | 1b7a5835 | Iustin Pop | main = do |
122 | 1b7a5835 | Iustin Pop | cmd_args <- System.getArgs |
123 | 0427285d | Iustin Pop | (opts, clusters) <- parseOpts cmd_args "hscan" options |
124 | 1b7a5835 | Iustin Pop | |
125 | 1b7a5835 | Iustin Pop | let odir = optOutPath opts |
126 | 1b7a5835 | Iustin Pop | nlen = maximum . map length $ clusters |
127 | 1b7a5835 | Iustin Pop | |
128 | 0427285d | Iustin Pop | unless (optNoHeaders opts) $ |
129 | 1b7a5835 | Iustin Pop | printf "%-*s %5s %5s %5s %5s %6s %6s %6s %6s %10s\n" nlen |
130 | 1b7a5835 | Iustin Pop | "Name" "Nodes" "Inst" "BNode" "BInst" "t_mem" "f_mem" |
131 | 1b7a5835 | Iustin Pop | "t_disk" "f_disk" "Score" |
132 | 1b7a5835 | Iustin Pop | |
133 | fd22ce8e | Iustin Pop | mapM_ (\ name -> |
134 | 1b7a5835 | Iustin Pop | do |
135 | 1b7a5835 | Iustin Pop | printf "%-*s " nlen name |
136 | 1b7a5835 | Iustin Pop | hFlush stdout |
137 | 040afc35 | Iustin Pop | input_data <- Rapi.loadData name |
138 | aa8d2e71 | Iustin Pop | let ldresult = input_data >>= Loader.mergeData [] |
139 | fd22ce8e | Iustin Pop | (case ldresult of |
140 | fd22ce8e | Iustin Pop | Bad err -> printf "\nError: failed to load data. \ |
141 | fd22ce8e | Iustin Pop | \Details:\n%s\n" err |
142 | fd22ce8e | Iustin Pop | Ok x -> do |
143 | 8472a321 | Iustin Pop | let (nl, il, csf) = x |
144 | dbd6700b | Iustin Pop | (_, fix_nl) = Loader.checkData nl il |
145 | dbd6700b | Iustin Pop | putStrLn $ printCluster fix_nl il |
146 | 9f6dcdea | Iustin Pop | when (optShowNodes opts) $ |
147 | 9f6dcdea | Iustin Pop | putStr $ Cluster.printNodes fix_nl |
148 | 78694255 | Iustin Pop | let ndata = serializeNodes csf nl |
149 | 78694255 | Iustin Pop | idata = serializeInstances csf nl il |
150 | 9f6dcdea | Iustin Pop | oname = odir </> fixSlash name |
151 | fd22ce8e | Iustin Pop | writeFile (oname <.> "nodes") ndata |
152 | fd22ce8e | Iustin Pop | writeFile (oname <.> "instances") idata) |
153 | 1b7a5835 | Iustin Pop | ) clusters |