root / htools / Ganeti / HTools / Program / Hinfo.hs @ d66aa238
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1 | 2922d2c5 | René Nussbaumer | {-| Cluster information printer. |
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2 | 2922d2c5 | René Nussbaumer | |
3 | 2922d2c5 | René Nussbaumer | -} |
4 | 2922d2c5 | René Nussbaumer | |
5 | 2922d2c5 | René Nussbaumer | {- |
6 | 2922d2c5 | René Nussbaumer | |
7 | 2922d2c5 | René Nussbaumer | Copyright (C) 2012 Google Inc. |
8 | 2922d2c5 | René Nussbaumer | |
9 | 2922d2c5 | René Nussbaumer | This program is free software; you can redistribute it and/or modify |
10 | 2922d2c5 | René Nussbaumer | it under the terms of the GNU General Public License as published by |
11 | 2922d2c5 | René Nussbaumer | the Free Software Foundation; either version 2 of the License, or |
12 | 2922d2c5 | René Nussbaumer | (at your option) any later version. |
13 | 2922d2c5 | René Nussbaumer | |
14 | 2922d2c5 | René Nussbaumer | This program is distributed in the hope that it will be useful, but |
15 | 2922d2c5 | René Nussbaumer | WITHOUT ANY WARRANTY; without even the implied warranty of |
16 | 2922d2c5 | René Nussbaumer | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
17 | 2922d2c5 | René Nussbaumer | General Public License for more details. |
18 | 2922d2c5 | René Nussbaumer | |
19 | 2922d2c5 | René Nussbaumer | You should have received a copy of the GNU General Public License |
20 | 2922d2c5 | René Nussbaumer | along with this program; if not, write to the Free Software |
21 | 2922d2c5 | René Nussbaumer | Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
22 | 2922d2c5 | René Nussbaumer | 02110-1301, USA. |
23 | 2922d2c5 | René Nussbaumer | |
24 | 2922d2c5 | René Nussbaumer | -} |
25 | 2922d2c5 | René Nussbaumer | |
26 | 22278fa7 | Iustin Pop | module Ganeti.HTools.Program.Hinfo |
27 | 22278fa7 | Iustin Pop | ( main |
28 | 22278fa7 | Iustin Pop | , options |
29 | 22278fa7 | Iustin Pop | , arguments |
30 | 22278fa7 | Iustin Pop | ) where |
31 | 2922d2c5 | René Nussbaumer | |
32 | 2922d2c5 | René Nussbaumer | import Control.Monad |
33 | 2922d2c5 | René Nussbaumer | import Data.List |
34 | 2922d2c5 | René Nussbaumer | import System.IO |
35 | 2922d2c5 | René Nussbaumer | |
36 | 2922d2c5 | René Nussbaumer | import Text.Printf (printf) |
37 | 2922d2c5 | René Nussbaumer | |
38 | 2922d2c5 | René Nussbaumer | import qualified Ganeti.HTools.Container as Container |
39 | 2922d2c5 | René Nussbaumer | import qualified Ganeti.HTools.Cluster as Cluster |
40 | 2922d2c5 | René Nussbaumer | import qualified Ganeti.HTools.Node as Node |
41 | 19e310cc | René Nussbaumer | import qualified Ganeti.HTools.Group as Group |
42 | 2922d2c5 | René Nussbaumer | import qualified Ganeti.HTools.Instance as Instance |
43 | 2922d2c5 | René Nussbaumer | |
44 | 22278fa7 | Iustin Pop | import Ganeti.Common |
45 | 2922d2c5 | René Nussbaumer | import Ganeti.HTools.CLI |
46 | 2922d2c5 | René Nussbaumer | import Ganeti.HTools.ExtLoader |
47 | 2922d2c5 | René Nussbaumer | import Ganeti.HTools.Loader |
48 | 26d62e4c | Iustin Pop | import Ganeti.Utils |
49 | 2922d2c5 | René Nussbaumer | |
50 | 2922d2c5 | René Nussbaumer | -- | Options list and functions. |
51 | d66aa238 | Iustin Pop | options :: IO [OptType] |
52 | 2922d2c5 | René Nussbaumer | options = |
53 | d66aa238 | Iustin Pop | return |
54 | d66aa238 | Iustin Pop | [ oPrintNodes |
55 | d66aa238 | Iustin Pop | , oPrintInsts |
56 | d66aa238 | Iustin Pop | , oDataFile |
57 | d66aa238 | Iustin Pop | , oRapiMaster |
58 | d66aa238 | Iustin Pop | , oLuxiSocket |
59 | d66aa238 | Iustin Pop | , oIAllocSrc |
60 | d66aa238 | Iustin Pop | , oVerbose |
61 | d66aa238 | Iustin Pop | , oQuiet |
62 | d66aa238 | Iustin Pop | , oOfflineNode |
63 | d66aa238 | Iustin Pop | ] |
64 | 2922d2c5 | René Nussbaumer | |
65 | 22278fa7 | Iustin Pop | -- | The list of arguments supported by the program. |
66 | 22278fa7 | Iustin Pop | arguments :: [ArgCompletion] |
67 | 22278fa7 | Iustin Pop | arguments = [] |
68 | 22278fa7 | Iustin Pop | |
69 | da28218d | Iustin Pop | -- | Group information data-type. |
70 | da28218d | Iustin Pop | data GroupInfo = GroupInfo { giName :: String |
71 | da28218d | Iustin Pop | , giNodeCount :: Int |
72 | da28218d | Iustin Pop | , giInstCount :: Int |
73 | da28218d | Iustin Pop | , giBadNodes :: Int |
74 | da28218d | Iustin Pop | , giBadInsts :: Int |
75 | da28218d | Iustin Pop | , giN1Status :: Bool |
76 | d1da5a45 | Iustin Pop | , giScore :: Double |
77 | da28218d | Iustin Pop | } |
78 | da28218d | Iustin Pop | |
79 | d0a14556 | René Nussbaumer | -- | Node group statistics. |
80 | d0a14556 | René Nussbaumer | calcGroupInfo :: Group.Group |
81 | d0a14556 | René Nussbaumer | -> Node.List |
82 | d0a14556 | René Nussbaumer | -> Instance.List |
83 | da28218d | Iustin Pop | -> GroupInfo |
84 | d0a14556 | René Nussbaumer | calcGroupInfo g nl il = |
85 | d0a14556 | René Nussbaumer | let nl_size = Container.size nl |
86 | d0a14556 | René Nussbaumer | il_size = Container.size il |
87 | d0a14556 | René Nussbaumer | (bad_nodes, bad_instances) = Cluster.computeBadItems nl il |
88 | d0a14556 | René Nussbaumer | bn_size = length bad_nodes |
89 | d0a14556 | René Nussbaumer | bi_size = length bad_instances |
90 | d0a14556 | René Nussbaumer | n1h = bn_size == 0 |
91 | d1da5a45 | Iustin Pop | score = Cluster.compCV nl |
92 | d1da5a45 | Iustin Pop | in GroupInfo (Group.name g) nl_size il_size bn_size bi_size n1h score |
93 | d0a14556 | René Nussbaumer | |
94 | d0a14556 | René Nussbaumer | -- | Helper to format one group row result. |
95 | da28218d | Iustin Pop | groupRowFormatHelper :: GroupInfo -> [String] |
96 | da28218d | Iustin Pop | groupRowFormatHelper gi = |
97 | da28218d | Iustin Pop | [ giName gi |
98 | da28218d | Iustin Pop | , printf "%d" $ giNodeCount gi |
99 | da28218d | Iustin Pop | , printf "%d" $ giInstCount gi |
100 | da28218d | Iustin Pop | , printf "%d" $ giBadNodes gi |
101 | da28218d | Iustin Pop | , printf "%d" $ giBadInsts gi |
102 | da28218d | Iustin Pop | , show $ giN1Status gi |
103 | d1da5a45 | Iustin Pop | , printf "%.8f" $ giScore gi |
104 | da28218d | Iustin Pop | ] |
105 | d0a14556 | René Nussbaumer | |
106 | d0a14556 | René Nussbaumer | -- | Print node group information. |
107 | d0a14556 | René Nussbaumer | showGroupInfo :: Int -> Group.List -> Node.List -> Instance.List -> IO () |
108 | d0a14556 | René Nussbaumer | showGroupInfo verbose gl nl il = do |
109 | d0a14556 | René Nussbaumer | let cgrs = map (\(gdx, (gnl, gil)) -> |
110 | d0a14556 | René Nussbaumer | calcGroupInfo (Container.find gdx gl) gnl gil) $ |
111 | d0a14556 | René Nussbaumer | Cluster.splitCluster nl il |
112 | da28218d | Iustin Pop | cn1h = all giN1Status cgrs |
113 | d0a14556 | René Nussbaumer | grs = map groupRowFormatHelper cgrs |
114 | d0a14556 | René Nussbaumer | header = ["Group", "Nodes", "Instances", "Bad_Nodes", "Bad_Instances", |
115 | d1da5a45 | Iustin Pop | "N+1", "Score"] |
116 | d0a14556 | René Nussbaumer | |
117 | d0a14556 | René Nussbaumer | when (verbose > 1) $ |
118 | d0a14556 | René Nussbaumer | printf "Node group information:\n%s" |
119 | d1da5a45 | Iustin Pop | (printTable " " header grs [False, True, True, True, True, |
120 | d1da5a45 | Iustin Pop | False, True]) |
121 | d0a14556 | René Nussbaumer | |
122 | d0a14556 | René Nussbaumer | printf "Cluster is N+1 %s\n" $ if cn1h then "happy" else "unhappy" |
123 | d0a14556 | René Nussbaumer | |
124 | d0a14556 | René Nussbaumer | -- | Gather and print split instances. |
125 | 19e310cc | René Nussbaumer | splitInstancesInfo :: Int -> Node.List -> Instance.List -> IO () |
126 | 19e310cc | René Nussbaumer | splitInstancesInfo verbose nl il = do |
127 | 2922d2c5 | René Nussbaumer | let split_insts = Cluster.findSplitInstances nl il |
128 | 5b11f8db | Iustin Pop | if null split_insts |
129 | 19e310cc | René Nussbaumer | then |
130 | 5b11f8db | Iustin Pop | when (verbose > 1) $ |
131 | 19e310cc | René Nussbaumer | putStrLn "No split instances found"::IO () |
132 | 19e310cc | René Nussbaumer | else do |
133 | 19e310cc | René Nussbaumer | putStrLn "Found instances belonging to multiple node groups:" |
134 | 19e310cc | René Nussbaumer | mapM_ (\i -> hPutStrLn stderr $ " " ++ Instance.name i) split_insts |
135 | 19e310cc | René Nussbaumer | |
136 | d0a14556 | René Nussbaumer | -- | Print common (interesting) information. |
137 | 19e310cc | René Nussbaumer | commonInfo :: Int -> Group.List -> Node.List -> Instance.List -> IO () |
138 | 19e310cc | René Nussbaumer | commonInfo verbose gl nl il = do |
139 | 5b11f8db | Iustin Pop | when (Container.null il && verbose > 1) $ |
140 | 5b11f8db | Iustin Pop | printf "Cluster is empty.\n"::IO () |
141 | 19e310cc | René Nussbaumer | |
142 | 5b11f8db | Iustin Pop | let nl_size = Container.size nl |
143 | 5b11f8db | Iustin Pop | il_size = Container.size il |
144 | 5b11f8db | Iustin Pop | gl_size = Container.size gl |
145 | 19e310cc | René Nussbaumer | printf "Loaded %d %s, %d %s, %d %s\n" |
146 | 19e310cc | René Nussbaumer | nl_size (plural nl_size "node" "nodes") |
147 | 19e310cc | René Nussbaumer | il_size (plural il_size "instance" "instances") |
148 | 19e310cc | René Nussbaumer | gl_size (plural gl_size "node group" "node groups")::IO () |
149 | 2922d2c5 | René Nussbaumer | |
150 | 2922d2c5 | René Nussbaumer | let csf = commonSuffix nl il |
151 | 14fbd75b | René Nussbaumer | when (not (null csf) && verbose > 2) $ |
152 | 2922d2c5 | René Nussbaumer | printf "Note: Stripping common suffix of '%s' from names\n" csf |
153 | 2922d2c5 | René Nussbaumer | |
154 | 2922d2c5 | René Nussbaumer | -- | Main function. |
155 | 2922d2c5 | René Nussbaumer | main :: Options -> [String] -> IO () |
156 | 2922d2c5 | René Nussbaumer | main opts args = do |
157 | 707cd3d7 | Helga Velroyen | unless (null args) $ exitErr "This program doesn't take any arguments." |
158 | 2922d2c5 | René Nussbaumer | |
159 | 2922d2c5 | René Nussbaumer | let verbose = optVerbose opts |
160 | 2922d2c5 | René Nussbaumer | shownodes = optShowNodes opts |
161 | 2922d2c5 | René Nussbaumer | showinsts = optShowInsts opts |
162 | 2922d2c5 | René Nussbaumer | |
163 | 2922d2c5 | René Nussbaumer | (ClusterData gl fixed_nl ilf ctags ipol) <- loadExternalData opts |
164 | 2922d2c5 | René Nussbaumer | |
165 | 14fbd75b | René Nussbaumer | putStrLn $ "Loaded cluster tags: " ++ intercalate "," ctags |
166 | 14fbd75b | René Nussbaumer | |
167 | 5b11f8db | Iustin Pop | when (verbose > 2) . |
168 | 2922d2c5 | René Nussbaumer | putStrLn $ "Loaded cluster ipolicy: " ++ show ipol |
169 | 2922d2c5 | René Nussbaumer | |
170 | 2922d2c5 | René Nussbaumer | nlf <- setNodeStatus opts fixed_nl |
171 | 2922d2c5 | René Nussbaumer | |
172 | 19e310cc | René Nussbaumer | commonInfo verbose gl nlf ilf |
173 | 19e310cc | René Nussbaumer | |
174 | 19e310cc | René Nussbaumer | splitInstancesInfo verbose nlf ilf |
175 | 2922d2c5 | René Nussbaumer | |
176 | d0a14556 | René Nussbaumer | showGroupInfo verbose gl nlf ilf |
177 | d0a14556 | René Nussbaumer | |
178 | 2922d2c5 | René Nussbaumer | maybePrintInsts showinsts "Instances" (Cluster.printInsts nlf ilf) |
179 | 2922d2c5 | René Nussbaumer | |
180 | 2922d2c5 | René Nussbaumer | maybePrintNodes shownodes "Cluster" (Cluster.printNodes nlf) |
181 | 2922d2c5 | René Nussbaumer | |
182 | 2922d2c5 | René Nussbaumer | printf "Cluster coefficients:\n%s" (Cluster.printStats " " nlf)::IO () |
183 | 2922d2c5 | René Nussbaumer | printf "Cluster score: %.8f\n" (Cluster.compCV nlf) |