root / htools / Ganeti / HTools / Program / Hspace.hs @ 5f828ce4
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1 | e10be8f2 | Iustin Pop | {-| Cluster space sizing |
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2 | e10be8f2 | Iustin Pop | |
3 | e10be8f2 | Iustin Pop | -} |
4 | e10be8f2 | Iustin Pop | |
5 | e10be8f2 | Iustin Pop | {- |
6 | e10be8f2 | Iustin Pop | |
7 | 41b5c85a | Iustin Pop | Copyright (C) 2009, 2010, 2011 Google Inc. |
8 | e10be8f2 | Iustin Pop | |
9 | e10be8f2 | Iustin Pop | This program is free software; you can redistribute it and/or modify |
10 | e10be8f2 | Iustin Pop | it under the terms of the GNU General Public License as published by |
11 | e10be8f2 | Iustin Pop | the Free Software Foundation; either version 2 of the License, or |
12 | e10be8f2 | Iustin Pop | (at your option) any later version. |
13 | e10be8f2 | Iustin Pop | |
14 | e10be8f2 | Iustin Pop | This program is distributed in the hope that it will be useful, but |
15 | e10be8f2 | Iustin Pop | WITHOUT ANY WARRANTY; without even the implied warranty of |
16 | e10be8f2 | Iustin Pop | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
17 | e10be8f2 | Iustin Pop | General Public License for more details. |
18 | e10be8f2 | Iustin Pop | |
19 | e10be8f2 | Iustin Pop | You should have received a copy of the GNU General Public License |
20 | e10be8f2 | Iustin Pop | along with this program; if not, write to the Free Software |
21 | e10be8f2 | Iustin Pop | Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
22 | e10be8f2 | Iustin Pop | 02110-1301, USA. |
23 | e10be8f2 | Iustin Pop | |
24 | e10be8f2 | Iustin Pop | -} |
25 | e10be8f2 | Iustin Pop | |
26 | 1494a4cc | Iustin Pop | module Ganeti.HTools.Program.Hspace (main) where |
27 | e10be8f2 | Iustin Pop | |
28 | cc532bdd | Iustin Pop | import Control.Monad |
29 | e86f7f65 | Iustin Pop | import Data.Char (toUpper, isAlphaNum, toLower) |
30 | 756df409 | Iustin Pop | import Data.Function (on) |
31 | e10be8f2 | Iustin Pop | import Data.List |
32 | 5182e970 | Iustin Pop | import Data.Ord (comparing) |
33 | 0903280b | Iustin Pop | import System (exitWith, ExitCode(..)) |
34 | e10be8f2 | Iustin Pop | import System.IO |
35 | e10be8f2 | Iustin Pop | import qualified System |
36 | e10be8f2 | Iustin Pop | |
37 | 2795466b | Iustin Pop | import Text.Printf (printf, hPrintf) |
38 | e10be8f2 | Iustin Pop | |
39 | e10be8f2 | Iustin Pop | import qualified Ganeti.HTools.Container as Container |
40 | e10be8f2 | Iustin Pop | import qualified Ganeti.HTools.Cluster as Cluster |
41 | e10be8f2 | Iustin Pop | import qualified Ganeti.HTools.Node as Node |
42 | e10be8f2 | Iustin Pop | import qualified Ganeti.HTools.Instance as Instance |
43 | e10be8f2 | Iustin Pop | |
44 | e10be8f2 | Iustin Pop | import Ganeti.HTools.Utils |
45 | f2280553 | Iustin Pop | import Ganeti.HTools.Types |
46 | 0427285d | Iustin Pop | import Ganeti.HTools.CLI |
47 | e8f89bb6 | Iustin Pop | import Ganeti.HTools.ExtLoader |
48 | 4938fa30 | Guido Trotter | import Ganeti.HTools.Loader |
49 | e10be8f2 | Iustin Pop | |
50 | 179c0828 | Iustin Pop | -- | Options list and functions. |
51 | 0427285d | Iustin Pop | options :: [OptType] |
52 | e10be8f2 | Iustin Pop | options = |
53 | 0427285d | Iustin Pop | [ oPrintNodes |
54 | 16c2369c | Iustin Pop | , oDataFile |
55 | 9ef605a6 | Iustin Pop | , oDiskTemplate |
56 | b2278348 | Iustin Pop | , oNodeSim |
57 | 0427285d | Iustin Pop | , oRapiMaster |
58 | 0427285d | Iustin Pop | , oLuxiSocket |
59 | 0427285d | Iustin Pop | , oVerbose |
60 | 0427285d | Iustin Pop | , oQuiet |
61 | 0427285d | Iustin Pop | , oOfflineNode |
62 | 0427285d | Iustin Pop | , oIMem |
63 | 0427285d | Iustin Pop | , oIDisk |
64 | 0427285d | Iustin Pop | , oIVcpus |
65 | 375969eb | Iustin Pop | , oMachineReadable |
66 | 0427285d | Iustin Pop | , oMaxCpu |
67 | b8a2c0ab | Iustin Pop | , oMaxSolLength |
68 | 0427285d | Iustin Pop | , oMinDisk |
69 | 1f9066c0 | Iustin Pop | , oTieredSpec |
70 | 3e9501d0 | Iustin Pop | , oSaveCluster |
71 | 0427285d | Iustin Pop | , oShowVer |
72 | 0427285d | Iustin Pop | , oShowHelp |
73 | e10be8f2 | Iustin Pop | ] |
74 | e10be8f2 | Iustin Pop | |
75 | fcebc9db | Iustin Pop | -- | The allocation phase we're in (initial, after tiered allocs, or |
76 | fcebc9db | Iustin Pop | -- after regular allocation). |
77 | fcebc9db | Iustin Pop | data Phase = PInitial |
78 | fcebc9db | Iustin Pop | | PFinal |
79 | fcebc9db | Iustin Pop | | PTiered |
80 | 2bbf77cc | Iustin Pop | |
81 | 375969eb | Iustin Pop | -- | The kind of instance spec we print. |
82 | 375969eb | Iustin Pop | data SpecType = SpecNormal |
83 | 375969eb | Iustin Pop | | SpecTiered |
84 | 375969eb | Iustin Pop | |
85 | 375969eb | Iustin Pop | -- | What we prefix a spec with. |
86 | 375969eb | Iustin Pop | specPrefix :: SpecType -> String |
87 | 375969eb | Iustin Pop | specPrefix SpecNormal = "SPEC" |
88 | 375969eb | Iustin Pop | specPrefix SpecTiered = "TSPEC_INI" |
89 | 375969eb | Iustin Pop | |
90 | 375969eb | Iustin Pop | -- | The description of a spec. |
91 | 375969eb | Iustin Pop | specDescription :: SpecType -> String |
92 | e86f7f65 | Iustin Pop | specDescription SpecNormal = "Standard (fixed-size)" |
93 | 375969eb | Iustin Pop | specDescription SpecTiered = "Tiered (initial size)" |
94 | 375969eb | Iustin Pop | |
95 | 375969eb | Iustin Pop | -- | Efficiency generic function. |
96 | 375969eb | Iustin Pop | effFn :: (Cluster.CStats -> Integer) |
97 | 375969eb | Iustin Pop | -> (Cluster.CStats -> Double) |
98 | 1b0a6356 | Iustin Pop | -> Cluster.CStats -> Double |
99 | 375969eb | Iustin Pop | effFn fi ft cs = fromIntegral (fi cs) / ft cs |
100 | 375969eb | Iustin Pop | |
101 | 375969eb | Iustin Pop | -- | Memory efficiency. |
102 | 375969eb | Iustin Pop | memEff :: Cluster.CStats -> Double |
103 | 375969eb | Iustin Pop | memEff = effFn Cluster.csImem Cluster.csTmem |
104 | 375969eb | Iustin Pop | |
105 | 375969eb | Iustin Pop | -- | Disk efficiency. |
106 | 375969eb | Iustin Pop | dskEff :: Cluster.CStats -> Double |
107 | 375969eb | Iustin Pop | dskEff = effFn Cluster.csIdsk Cluster.csTdsk |
108 | 375969eb | Iustin Pop | |
109 | 375969eb | Iustin Pop | -- | Cpu efficiency. |
110 | 375969eb | Iustin Pop | cpuEff :: Cluster.CStats -> Double |
111 | 375969eb | Iustin Pop | cpuEff = effFn Cluster.csIcpu (fromIntegral . Cluster.csVcpu) |
112 | 375969eb | Iustin Pop | |
113 | 179c0828 | Iustin Pop | -- | Holds data for converting a 'Cluster.CStats' structure into |
114 | 179c0828 | Iustin Pop | -- detailed statictics. |
115 | 2bbf77cc | Iustin Pop | statsData :: [(String, Cluster.CStats -> String)] |
116 | f5b553da | Iustin Pop | statsData = [ ("SCORE", printf "%.8f" . Cluster.csScore) |
117 | f5b553da | Iustin Pop | , ("INST_CNT", printf "%d" . Cluster.csNinst) |
118 | f5b553da | Iustin Pop | , ("MEM_FREE", printf "%d" . Cluster.csFmem) |
119 | f5b553da | Iustin Pop | , ("MEM_AVAIL", printf "%d" . Cluster.csAmem) |
120 | 2bbf77cc | Iustin Pop | , ("MEM_RESVD", |
121 | f5b553da | Iustin Pop | \cs -> printf "%d" (Cluster.csFmem cs - Cluster.csAmem cs)) |
122 | f5b553da | Iustin Pop | , ("MEM_INST", printf "%d" . Cluster.csImem) |
123 | 2bbf77cc | Iustin Pop | , ("MEM_OVERHEAD", |
124 | f5b553da | Iustin Pop | \cs -> printf "%d" (Cluster.csXmem cs + Cluster.csNmem cs)) |
125 | 375969eb | Iustin Pop | , ("MEM_EFF", printf "%.8f" . memEff) |
126 | f5b553da | Iustin Pop | , ("DSK_FREE", printf "%d" . Cluster.csFdsk) |
127 | 9739b6b8 | Iustin Pop | , ("DSK_AVAIL", printf "%d". Cluster.csAdsk) |
128 | 2bbf77cc | Iustin Pop | , ("DSK_RESVD", |
129 | f5b553da | Iustin Pop | \cs -> printf "%d" (Cluster.csFdsk cs - Cluster.csAdsk cs)) |
130 | f5b553da | Iustin Pop | , ("DSK_INST", printf "%d" . Cluster.csIdsk) |
131 | 375969eb | Iustin Pop | , ("DSK_EFF", printf "%.8f" . dskEff) |
132 | f5b553da | Iustin Pop | , ("CPU_INST", printf "%d" . Cluster.csIcpu) |
133 | 375969eb | Iustin Pop | , ("CPU_EFF", printf "%.8f" . cpuEff) |
134 | f5b553da | Iustin Pop | , ("MNODE_MEM_AVAIL", printf "%d" . Cluster.csMmem) |
135 | f5b553da | Iustin Pop | , ("MNODE_DSK_AVAIL", printf "%d" . Cluster.csMdsk) |
136 | 2bbf77cc | Iustin Pop | ] |
137 | 2bbf77cc | Iustin Pop | |
138 | 179c0828 | Iustin Pop | -- | List holding 'RSpec' formatting information. |
139 | 1f9066c0 | Iustin Pop | specData :: [(String, RSpec -> String)] |
140 | 1f9066c0 | Iustin Pop | specData = [ ("MEM", printf "%d" . rspecMem) |
141 | 1f9066c0 | Iustin Pop | , ("DSK", printf "%d" . rspecDsk) |
142 | 1f9066c0 | Iustin Pop | , ("CPU", printf "%d" . rspecCpu) |
143 | 2bbf77cc | Iustin Pop | ] |
144 | 2bbf77cc | Iustin Pop | |
145 | 179c0828 | Iustin Pop | -- | List holding 'Cluster.CStats' formatting information. |
146 | 2bbf77cc | Iustin Pop | clusterData :: [(String, Cluster.CStats -> String)] |
147 | f5b553da | Iustin Pop | clusterData = [ ("MEM", printf "%.0f" . Cluster.csTmem) |
148 | f5b553da | Iustin Pop | , ("DSK", printf "%.0f" . Cluster.csTdsk) |
149 | f5b553da | Iustin Pop | , ("CPU", printf "%.0f" . Cluster.csTcpu) |
150 | bd3286e9 | Iustin Pop | , ("VCPU", printf "%d" . Cluster.csVcpu) |
151 | 2bbf77cc | Iustin Pop | ] |
152 | 2bbf77cc | Iustin Pop | |
153 | 179c0828 | Iustin Pop | -- | Function to print stats for a given phase. |
154 | 2bbf77cc | Iustin Pop | printStats :: Phase -> Cluster.CStats -> [(String, String)] |
155 | 2bbf77cc | Iustin Pop | printStats ph cs = |
156 | 2bbf77cc | Iustin Pop | map (\(s, fn) -> (printf "%s_%s" kind s, fn cs)) statsData |
157 | 2bbf77cc | Iustin Pop | where kind = case ph of |
158 | 2bbf77cc | Iustin Pop | PInitial -> "INI" |
159 | 2bbf77cc | Iustin Pop | PFinal -> "FIN" |
160 | fcebc9db | Iustin Pop | PTiered -> "TRL" |
161 | e10be8f2 | Iustin Pop | |
162 | 375969eb | Iustin Pop | -- | Print final stats and related metrics. |
163 | 375969eb | Iustin Pop | printResults :: Bool -> Node.List -> Node.List -> Int -> Int |
164 | 375969eb | Iustin Pop | -> [(FailMode, Int)] -> IO () |
165 | 375969eb | Iustin Pop | printResults True _ fin_nl num_instances allocs sreason = do |
166 | dca7f396 | Iustin Pop | let fin_stats = Cluster.totalResources fin_nl |
167 | dca7f396 | Iustin Pop | fin_instances = num_instances + allocs |
168 | dca7f396 | Iustin Pop | |
169 | f5b553da | Iustin Pop | when (num_instances + allocs /= Cluster.csNinst fin_stats) $ |
170 | de4ac2c2 | Iustin Pop | do |
171 | de4ac2c2 | Iustin Pop | hPrintf stderr "ERROR: internal inconsistency, allocated (%d)\ |
172 | de4ac2c2 | Iustin Pop | \ != counted (%d)\n" (num_instances + allocs) |
173 | c939b58e | Iustin Pop | (Cluster.csNinst fin_stats) :: IO () |
174 | de4ac2c2 | Iustin Pop | exitWith $ ExitFailure 1 |
175 | de4ac2c2 | Iustin Pop | |
176 | 2bbf77cc | Iustin Pop | printKeys $ printStats PFinal fin_stats |
177 | 2bbf77cc | Iustin Pop | printKeys [ ("ALLOC_USAGE", printf "%.8f" |
178 | 2bbf77cc | Iustin Pop | ((fromIntegral num_instances::Double) / |
179 | 2bbf77cc | Iustin Pop | fromIntegral fin_instances)) |
180 | 31e7ac17 | Iustin Pop | , ("ALLOC_INSTANCES", printf "%d" allocs) |
181 | 2bbf77cc | Iustin Pop | , ("ALLOC_FAIL_REASON", map toUpper . show . fst $ head sreason) |
182 | 2bbf77cc | Iustin Pop | ] |
183 | 2bbf77cc | Iustin Pop | printKeys $ map (\(x, y) -> (printf "ALLOC_%s_CNT" (show x), |
184 | 2bbf77cc | Iustin Pop | printf "%d" y)) sreason |
185 | 375969eb | Iustin Pop | |
186 | 375969eb | Iustin Pop | printResults False ini_nl fin_nl _ allocs sreason = do |
187 | 375969eb | Iustin Pop | putStrLn "Normal (fixed-size) allocation results:" |
188 | 375969eb | Iustin Pop | printf " - %3d instances allocated\n" allocs :: IO () |
189 | 375969eb | Iustin Pop | printf " - most likely failure reason: %s\n" $ failureReason sreason::IO () |
190 | 375969eb | Iustin Pop | printClusterScores ini_nl fin_nl |
191 | 375969eb | Iustin Pop | printClusterEff (Cluster.totalResources fin_nl) |
192 | 375969eb | Iustin Pop | |
193 | 375969eb | Iustin Pop | -- | Prints the final @OK@ marker in machine readable output. |
194 | 375969eb | Iustin Pop | printFinal :: Bool -> IO () |
195 | 375969eb | Iustin Pop | printFinal True = |
196 | 2bbf77cc | Iustin Pop | -- this should be the final entry |
197 | 2bbf77cc | Iustin Pop | printKeys [("OK", "1")] |
198 | 2bbf77cc | Iustin Pop | |
199 | 375969eb | Iustin Pop | printFinal False = return () |
200 | 375969eb | Iustin Pop | |
201 | 756df409 | Iustin Pop | -- | Compute the tiered spec counts from a list of allocated |
202 | 756df409 | Iustin Pop | -- instances. |
203 | 756df409 | Iustin Pop | tieredSpecMap :: [Instance.Instance] |
204 | 756df409 | Iustin Pop | -> [(RSpec, Int)] |
205 | 756df409 | Iustin Pop | tieredSpecMap trl_ixes = |
206 | 756df409 | Iustin Pop | let fin_trl_ixes = reverse trl_ixes |
207 | 756df409 | Iustin Pop | ix_byspec = groupBy ((==) `on` Instance.specOf) fin_trl_ixes |
208 | 756df409 | Iustin Pop | spec_map = map (\ixs -> (Instance.specOf $ head ixs, length ixs)) |
209 | 756df409 | Iustin Pop | ix_byspec |
210 | 756df409 | Iustin Pop | in spec_map |
211 | 756df409 | Iustin Pop | |
212 | 756df409 | Iustin Pop | -- | Formats a spec map to strings. |
213 | 756df409 | Iustin Pop | formatSpecMap :: [(RSpec, Int)] -> [String] |
214 | 756df409 | Iustin Pop | formatSpecMap = |
215 | 756df409 | Iustin Pop | map (\(spec, cnt) -> printf "%d,%d,%d=%d" (rspecMem spec) |
216 | 756df409 | Iustin Pop | (rspecDsk spec) (rspecCpu spec) cnt) |
217 | 756df409 | Iustin Pop | |
218 | 179c0828 | Iustin Pop | -- | Formats \"key-metrics\" values. |
219 | 4886952e | Iustin Pop | formatRSpec :: Double -> String -> RSpec -> [(String, String)] |
220 | 4886952e | Iustin Pop | formatRSpec m_cpu s r = |
221 | bd3286e9 | Iustin Pop | [ ("KM_" ++ s ++ "_CPU", show $ rspecCpu r) |
222 | 4886952e | Iustin Pop | , ("KM_" ++ s ++ "_NPU", show $ fromIntegral (rspecCpu r) / m_cpu) |
223 | bd3286e9 | Iustin Pop | , ("KM_" ++ s ++ "_MEM", show $ rspecMem r) |
224 | bd3286e9 | Iustin Pop | , ("KM_" ++ s ++ "_DSK", show $ rspecDsk r) |
225 | bd3286e9 | Iustin Pop | ] |
226 | bd3286e9 | Iustin Pop | |
227 | 179c0828 | Iustin Pop | -- | Shows allocations stats. |
228 | 4886952e | Iustin Pop | printAllocationStats :: Double -> Node.List -> Node.List -> IO () |
229 | 4886952e | Iustin Pop | printAllocationStats m_cpu ini_nl fin_nl = do |
230 | bd3286e9 | Iustin Pop | let ini_stats = Cluster.totalResources ini_nl |
231 | bd3286e9 | Iustin Pop | fin_stats = Cluster.totalResources fin_nl |
232 | bd3286e9 | Iustin Pop | (rini, ralo, runa) = Cluster.computeAllocationDelta ini_stats fin_stats |
233 | 4886952e | Iustin Pop | printKeys $ formatRSpec m_cpu "USED" rini |
234 | 4886952e | Iustin Pop | printKeys $ formatRSpec m_cpu "POOL"ralo |
235 | 4886952e | Iustin Pop | printKeys $ formatRSpec m_cpu "UNAV" runa |
236 | bd3286e9 | Iustin Pop | |
237 | 179c0828 | Iustin Pop | -- | Ensure a value is quoted if needed. |
238 | 9739b6b8 | Iustin Pop | ensureQuoted :: String -> String |
239 | cc532bdd | Iustin Pop | ensureQuoted v = if not (all (\c -> isAlphaNum c || c == '.') v) |
240 | 9739b6b8 | Iustin Pop | then '\'':v ++ "'" |
241 | 9739b6b8 | Iustin Pop | else v |
242 | 9739b6b8 | Iustin Pop | |
243 | 179c0828 | Iustin Pop | -- | Format a list of key\/values as a shell fragment. |
244 | 2bbf77cc | Iustin Pop | printKeys :: [(String, String)] -> IO () |
245 | 9739b6b8 | Iustin Pop | printKeys = mapM_ (\(k, v) -> |
246 | 9739b6b8 | Iustin Pop | printf "HTS_%s=%s\n" (map toUpper k) (ensureQuoted v)) |
247 | dca7f396 | Iustin Pop | |
248 | 179c0828 | Iustin Pop | -- | Converts instance data to a list of strings. |
249 | 366a7c89 | Iustin Pop | printInstance :: Node.List -> Instance.Instance -> [String] |
250 | 366a7c89 | Iustin Pop | printInstance nl i = [ Instance.name i |
251 | 5182e970 | Iustin Pop | , Container.nameOf nl $ Instance.pNode i |
252 | 5182e970 | Iustin Pop | , let sdx = Instance.sNode i |
253 | 5182e970 | Iustin Pop | in if sdx == Node.noSecondary then "" |
254 | 5182e970 | Iustin Pop | else Container.nameOf nl sdx |
255 | 366a7c89 | Iustin Pop | , show (Instance.mem i) |
256 | 366a7c89 | Iustin Pop | , show (Instance.dsk i) |
257 | 366a7c89 | Iustin Pop | , show (Instance.vcpus i) |
258 | 366a7c89 | Iustin Pop | ] |
259 | 366a7c89 | Iustin Pop | |
260 | 179c0828 | Iustin Pop | -- | Optionally print the allocation map. |
261 | 6eaa7bb8 | Iustin Pop | printAllocationMap :: Int -> String |
262 | 6eaa7bb8 | Iustin Pop | -> Node.List -> [Instance.Instance] -> IO () |
263 | 6eaa7bb8 | Iustin Pop | printAllocationMap verbose msg nl ixes = |
264 | 6eaa7bb8 | Iustin Pop | when (verbose > 1) $ do |
265 | e86f7f65 | Iustin Pop | hPutStrLn stderr (msg ++ " map") |
266 | 6eaa7bb8 | Iustin Pop | hPutStr stderr . unlines . map ((:) ' ' . intercalate " ") $ |
267 | 6eaa7bb8 | Iustin Pop | formatTable (map (printInstance nl) (reverse ixes)) |
268 | 6eaa7bb8 | Iustin Pop | -- This is the numberic-or-not field |
269 | 6eaa7bb8 | Iustin Pop | -- specification; the first three fields are |
270 | 6eaa7bb8 | Iustin Pop | -- strings, whereas the rest are numeric |
271 | 6eaa7bb8 | Iustin Pop | [False, False, False, True, True, True] |
272 | 6eaa7bb8 | Iustin Pop | |
273 | 375969eb | Iustin Pop | -- | Formats nicely a list of resources. |
274 | 1b0a6356 | Iustin Pop | formatResources :: a -> [(String, a->String)] -> String |
275 | 375969eb | Iustin Pop | formatResources res = |
276 | 375969eb | Iustin Pop | intercalate ", " . map (\(a, fn) -> a ++ " " ++ fn res) |
277 | 375969eb | Iustin Pop | |
278 | 375969eb | Iustin Pop | -- | Print the cluster resources. |
279 | 375969eb | Iustin Pop | printCluster :: Bool -> Cluster.CStats -> Int -> IO () |
280 | 375969eb | Iustin Pop | printCluster True ini_stats node_count = do |
281 | 375969eb | Iustin Pop | printKeys $ map (\(a, fn) -> ("CLUSTER_" ++ a, fn ini_stats)) clusterData |
282 | 375969eb | Iustin Pop | printKeys [("CLUSTER_NODES", printf "%d" node_count)] |
283 | 375969eb | Iustin Pop | printKeys $ printStats PInitial ini_stats |
284 | 375969eb | Iustin Pop | |
285 | 375969eb | Iustin Pop | printCluster False ini_stats node_count = do |
286 | 375969eb | Iustin Pop | printf "The cluster has %d nodes and the following resources:\n %s.\n" |
287 | 375969eb | Iustin Pop | node_count (formatResources ini_stats clusterData)::IO () |
288 | 375969eb | Iustin Pop | printf "There are %s initial instances on the cluster.\n" |
289 | 375969eb | Iustin Pop | (if inst_count > 0 then show inst_count else "no" ) |
290 | 375969eb | Iustin Pop | where inst_count = Cluster.csNinst ini_stats |
291 | 375969eb | Iustin Pop | |
292 | 375969eb | Iustin Pop | -- | Prints the normal instance spec. |
293 | 375969eb | Iustin Pop | printISpec :: Bool -> RSpec -> SpecType -> DiskTemplate -> IO () |
294 | 375969eb | Iustin Pop | printISpec True ispec spec disk_template = do |
295 | 375969eb | Iustin Pop | printKeys $ map (\(a, fn) -> (prefix ++ "_" ++ a, fn ispec)) specData |
296 | 375969eb | Iustin Pop | printKeys [ (prefix ++ "_RQN", printf "%d" req_nodes) ] |
297 | 2c9336a4 | Iustin Pop | printKeys [ (prefix ++ "_DISK_TEMPLATE", |
298 | 5f828ce4 | Agata Murawska | diskTemplateToRaw disk_template) ] |
299 | 375969eb | Iustin Pop | where req_nodes = Instance.requiredNodes disk_template |
300 | 375969eb | Iustin Pop | prefix = specPrefix spec |
301 | 375969eb | Iustin Pop | |
302 | 1b0a6356 | Iustin Pop | printISpec False ispec spec disk_template = |
303 | 375969eb | Iustin Pop | printf "%s instance spec is:\n %s, using disk\ |
304 | 375969eb | Iustin Pop | \ template '%s'.\n" |
305 | 375969eb | Iustin Pop | (specDescription spec) |
306 | 5f828ce4 | Agata Murawska | (formatResources ispec specData) (diskTemplateToRaw disk_template) |
307 | 375969eb | Iustin Pop | |
308 | 375969eb | Iustin Pop | -- | Prints the tiered results. |
309 | 375969eb | Iustin Pop | printTiered :: Bool -> [(RSpec, Int)] -> Double |
310 | 375969eb | Iustin Pop | -> Node.List -> Node.List -> [(FailMode, Int)] -> IO () |
311 | 375969eb | Iustin Pop | printTiered True spec_map m_cpu nl trl_nl _ = do |
312 | 375969eb | Iustin Pop | printKeys $ printStats PTiered (Cluster.totalResources trl_nl) |
313 | 375969eb | Iustin Pop | printKeys [("TSPEC", intercalate " " (formatSpecMap spec_map))] |
314 | 375969eb | Iustin Pop | printAllocationStats m_cpu nl trl_nl |
315 | 375969eb | Iustin Pop | |
316 | 375969eb | Iustin Pop | printTiered False spec_map _ ini_nl fin_nl sreason = do |
317 | 375969eb | Iustin Pop | _ <- printf "Tiered allocation results:\n" |
318 | 375969eb | Iustin Pop | mapM_ (\(ispec, cnt) -> |
319 | 375969eb | Iustin Pop | printf " - %3d instances of spec %s\n" cnt |
320 | 375969eb | Iustin Pop | (formatResources ispec specData)) spec_map |
321 | 375969eb | Iustin Pop | printf " - most likely failure reason: %s\n" $ failureReason sreason::IO () |
322 | 375969eb | Iustin Pop | printClusterScores ini_nl fin_nl |
323 | 375969eb | Iustin Pop | printClusterEff (Cluster.totalResources fin_nl) |
324 | 375969eb | Iustin Pop | |
325 | 179c0828 | Iustin Pop | -- | Displays the initial/final cluster scores. |
326 | 375969eb | Iustin Pop | printClusterScores :: Node.List -> Node.List -> IO () |
327 | 375969eb | Iustin Pop | printClusterScores ini_nl fin_nl = do |
328 | 375969eb | Iustin Pop | printf " - initial cluster score: %.8f\n" $ Cluster.compCV ini_nl::IO () |
329 | 375969eb | Iustin Pop | printf " - final cluster score: %.8f\n" $ Cluster.compCV fin_nl |
330 | 375969eb | Iustin Pop | |
331 | 179c0828 | Iustin Pop | -- | Displays the cluster efficiency. |
332 | 375969eb | Iustin Pop | printClusterEff :: Cluster.CStats -> IO () |
333 | 375969eb | Iustin Pop | printClusterEff cs = |
334 | 375969eb | Iustin Pop | mapM_ (\(s, fn) -> |
335 | 375969eb | Iustin Pop | printf " - %s usage efficiency: %5.2f%%\n" s (fn cs * 100)) |
336 | 375969eb | Iustin Pop | [("memory", memEff), |
337 | 375969eb | Iustin Pop | (" disk", dskEff), |
338 | 375969eb | Iustin Pop | (" vcpu", cpuEff)] |
339 | 375969eb | Iustin Pop | |
340 | 375969eb | Iustin Pop | -- | Computes the most likely failure reason. |
341 | 375969eb | Iustin Pop | failureReason :: [(FailMode, Int)] -> String |
342 | 375969eb | Iustin Pop | failureReason = show . fst . head |
343 | 375969eb | Iustin Pop | |
344 | 375969eb | Iustin Pop | -- | Sorts the failure reasons. |
345 | 375969eb | Iustin Pop | sortReasons :: [(FailMode, Int)] -> [(FailMode, Int)] |
346 | 375969eb | Iustin Pop | sortReasons = reverse . sortBy (comparing snd) |
347 | 375969eb | Iustin Pop | |
348 | 5296ee23 | Iustin Pop | -- | Aborts the program if we get a bad value. |
349 | 5296ee23 | Iustin Pop | exitIfBad :: Result a -> IO a |
350 | 5296ee23 | Iustin Pop | exitIfBad (Bad s) = |
351 | 5296ee23 | Iustin Pop | hPrintf stderr "Failure: %s\n" s >> exitWith (ExitFailure 1) |
352 | 5296ee23 | Iustin Pop | exitIfBad (Ok v) = return v |
353 | 5296ee23 | Iustin Pop | |
354 | e86f7f65 | Iustin Pop | -- | Runs an allocation algorithm and saves cluster state. |
355 | e86f7f65 | Iustin Pop | runAllocation :: ClusterData -- ^ Cluster data |
356 | e86f7f65 | Iustin Pop | -> Maybe Cluster.AllocResult -- ^ Optional stop-allocation |
357 | e86f7f65 | Iustin Pop | -> Result Cluster.AllocResult -- ^ Allocation result |
358 | e86f7f65 | Iustin Pop | -> RSpec -- ^ Requested instance spec |
359 | e86f7f65 | Iustin Pop | -> SpecType -- ^ Allocation type |
360 | e86f7f65 | Iustin Pop | -> Options -- ^ CLI options |
361 | e86f7f65 | Iustin Pop | -> IO (FailStats, Node.List, Int, [(RSpec, Int)]) |
362 | e86f7f65 | Iustin Pop | runAllocation cdata stop_allocation actual_result spec mode opts = do |
363 | e86f7f65 | Iustin Pop | (reasons, new_nl, new_il, new_ixes, _) <- |
364 | e86f7f65 | Iustin Pop | case stop_allocation of |
365 | e86f7f65 | Iustin Pop | Just result_noalloc -> return result_noalloc |
366 | e86f7f65 | Iustin Pop | Nothing -> exitIfBad actual_result |
367 | e86f7f65 | Iustin Pop | |
368 | e86f7f65 | Iustin Pop | let name = head . words . specDescription $ mode |
369 | e86f7f65 | Iustin Pop | descr = name ++ " allocation" |
370 | e86f7f65 | Iustin Pop | ldescr = "after " ++ map toLower descr |
371 | e86f7f65 | Iustin Pop | |
372 | e86f7f65 | Iustin Pop | printISpec (optMachineReadable opts) spec mode (optDiskTemplate opts) |
373 | e86f7f65 | Iustin Pop | |
374 | e86f7f65 | Iustin Pop | printAllocationMap (optVerbose opts) descr new_nl new_ixes |
375 | e86f7f65 | Iustin Pop | |
376 | e86f7f65 | Iustin Pop | maybePrintNodes (optShowNodes opts) descr (Cluster.printNodes new_nl) |
377 | e86f7f65 | Iustin Pop | |
378 | e86f7f65 | Iustin Pop | maybeSaveData (optSaveCluster opts) (map toLower name) ldescr |
379 | e86f7f65 | Iustin Pop | (cdata { cdNodes = new_nl, cdInstances = new_il}) |
380 | e86f7f65 | Iustin Pop | |
381 | e86f7f65 | Iustin Pop | return (sortReasons reasons, new_nl, length new_ixes, tieredSpecMap new_ixes) |
382 | e86f7f65 | Iustin Pop | |
383 | e10be8f2 | Iustin Pop | -- | Main function. |
384 | e10be8f2 | Iustin Pop | main :: IO () |
385 | e10be8f2 | Iustin Pop | main = do |
386 | e10be8f2 | Iustin Pop | cmd_args <- System.getArgs |
387 | 0427285d | Iustin Pop | (opts, args) <- parseOpts cmd_args "hspace" options |
388 | e10be8f2 | Iustin Pop | |
389 | e10be8f2 | Iustin Pop | unless (null args) $ do |
390 | e10be8f2 | Iustin Pop | hPutStrLn stderr "Error: this program doesn't take any arguments." |
391 | e10be8f2 | Iustin Pop | exitWith $ ExitFailure 1 |
392 | e10be8f2 | Iustin Pop | |
393 | 2795466b | Iustin Pop | let verbose = optVerbose opts |
394 | 1f9066c0 | Iustin Pop | ispec = optISpec opts |
395 | 9ef605a6 | Iustin Pop | disk_template = optDiskTemplate opts |
396 | 9ef605a6 | Iustin Pop | req_nodes = Instance.requiredNodes disk_template |
397 | 375969eb | Iustin Pop | machine_r = optMachineReadable opts |
398 | 2795466b | Iustin Pop | |
399 | 017a0c3d | Iustin Pop | (ClusterData gl fixed_nl il ctags) <- loadExternalData opts |
400 | e86f7f65 | Iustin Pop | nl <- setNodeStatus opts fixed_nl |
401 | 2795466b | Iustin Pop | |
402 | 5296ee23 | Iustin Pop | let num_instances = Container.size il |
403 | e10be8f2 | Iustin Pop | all_nodes = Container.elems fixed_nl |
404 | e86f7f65 | Iustin Pop | cdata = ClusterData gl nl il ctags |
405 | 3e4480e0 | Iustin Pop | csf = commonSuffix fixed_nl il |
406 | e10be8f2 | Iustin Pop | |
407 | 5296ee23 | Iustin Pop | when (not (null csf) && verbose > 1) $ |
408 | 2bbf77cc | Iustin Pop | hPrintf stderr "Note: Stripping common suffix of '%s' from names\n" csf |
409 | e10be8f2 | Iustin Pop | |
410 | e86f7f65 | Iustin Pop | maybePrintNodes (optShowNodes opts) "Initial cluster" (Cluster.printNodes nl) |
411 | e10be8f2 | Iustin Pop | |
412 | 2485487d | Iustin Pop | when (verbose > 2) $ |
413 | 2bbf77cc | Iustin Pop | hPrintf stderr "Initial coefficients: overall %.8f, %s\n" |
414 | e86f7f65 | Iustin Pop | (Cluster.compCV nl) (Cluster.printStats nl) |
415 | de4ac2c2 | Iustin Pop | |
416 | e86f7f65 | Iustin Pop | printCluster machine_r (Cluster.totalResources nl) (length all_nodes) |
417 | 375969eb | Iustin Pop | |
418 | e86f7f65 | Iustin Pop | let stop_allocation = case Cluster.computeBadItems nl il of |
419 | e86f7f65 | Iustin Pop | ([], _) -> Nothing |
420 | e86f7f65 | Iustin Pop | _ -> Just ([(FailN1, 1)]::FailStats, nl, il, [], []) |
421 | e86f7f65 | Iustin Pop | alloclimit = if optMaxLength opts == -1 |
422 | e86f7f65 | Iustin Pop | then Nothing |
423 | e86f7f65 | Iustin Pop | else Just (optMaxLength opts) |
424 | dca7f396 | Iustin Pop | |
425 | fcebc9db | Iustin Pop | -- utility functions |
426 | fcebc9db | Iustin Pop | let iofspec spx = Instance.create "new" (rspecMem spx) (rspecDsk spx) |
427 | 9ef605a6 | Iustin Pop | (rspecCpu spx) "running" [] True (-1) (-1) disk_template |
428 | fcebc9db | Iustin Pop | |
429 | 5296ee23 | Iustin Pop | allocnodes <- exitIfBad $ Cluster.genAllocNodes gl nl req_nodes True |
430 | 41b5c85a | Iustin Pop | |
431 | fcebc9db | Iustin Pop | -- Run the tiered allocation, if enabled |
432 | fcebc9db | Iustin Pop | |
433 | fcebc9db | Iustin Pop | (case optTieredSpec opts of |
434 | fcebc9db | Iustin Pop | Nothing -> return () |
435 | fcebc9db | Iustin Pop | Just tspec -> do |
436 | e86f7f65 | Iustin Pop | (treason, trl_nl, _, spec_map) <- |
437 | e86f7f65 | Iustin Pop | runAllocation cdata stop_allocation |
438 | e86f7f65 | Iustin Pop | (Cluster.tieredAlloc nl il alloclimit (iofspec tspec) |
439 | e86f7f65 | Iustin Pop | allocnodes [] []) tspec SpecTiered opts |
440 | fcebc9db | Iustin Pop | |
441 | e86f7f65 | Iustin Pop | printTiered machine_r spec_map (optMcpu opts) nl trl_nl treason |
442 | 375969eb | Iustin Pop | ) |
443 | fcebc9db | Iustin Pop | |
444 | fcebc9db | Iustin Pop | -- Run the standard (avg-mode) allocation |
445 | e10be8f2 | Iustin Pop | |
446 | e86f7f65 | Iustin Pop | (sreason, fin_nl, allocs, _) <- |
447 | e86f7f65 | Iustin Pop | runAllocation cdata stop_allocation |
448 | e86f7f65 | Iustin Pop | (Cluster.iterateAlloc nl il alloclimit (iofspec ispec) |
449 | e86f7f65 | Iustin Pop | allocnodes [] []) ispec SpecNormal opts |
450 | 3e9501d0 | Iustin Pop | |
451 | 375969eb | Iustin Pop | printResults machine_r nl fin_nl num_instances allocs sreason |
452 | 375969eb | Iustin Pop | |
453 | 375969eb | Iustin Pop | printFinal machine_r |