root / htools / Ganeti / HTools / CLI.hs @ 97936d51
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1 | 209b3711 | Iustin Pop | {-| Implementation of command-line functions. |
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2 | 209b3711 | Iustin Pop | |
3 | 525bfb36 | Iustin Pop | This module holds the common command-line related functions for the |
4 | 525bfb36 | Iustin Pop | binaries, separated into this module since "Ganeti.HTools.Utils" is |
5 | 525bfb36 | Iustin Pop | used in many other places and this is more IO oriented. |
6 | 209b3711 | Iustin Pop | |
7 | 209b3711 | Iustin Pop | -} |
8 | 209b3711 | Iustin Pop | |
9 | e2fa2baf | Iustin Pop | {- |
10 | e2fa2baf | Iustin Pop | |
11 | a69ff623 | Iustin Pop | Copyright (C) 2009, 2010, 2011 Google Inc. |
12 | e2fa2baf | Iustin Pop | |
13 | e2fa2baf | Iustin Pop | This program is free software; you can redistribute it and/or modify |
14 | e2fa2baf | Iustin Pop | it under the terms of the GNU General Public License as published by |
15 | e2fa2baf | Iustin Pop | the Free Software Foundation; either version 2 of the License, or |
16 | e2fa2baf | Iustin Pop | (at your option) any later version. |
17 | e2fa2baf | Iustin Pop | |
18 | e2fa2baf | Iustin Pop | This program is distributed in the hope that it will be useful, but |
19 | e2fa2baf | Iustin Pop | WITHOUT ANY WARRANTY; without even the implied warranty of |
20 | e2fa2baf | Iustin Pop | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
21 | e2fa2baf | Iustin Pop | General Public License for more details. |
22 | e2fa2baf | Iustin Pop | |
23 | e2fa2baf | Iustin Pop | You should have received a copy of the GNU General Public License |
24 | e2fa2baf | Iustin Pop | along with this program; if not, write to the Free Software |
25 | e2fa2baf | Iustin Pop | Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
26 | e2fa2baf | Iustin Pop | 02110-1301, USA. |
27 | e2fa2baf | Iustin Pop | |
28 | e2fa2baf | Iustin Pop | -} |
29 | e2fa2baf | Iustin Pop | |
30 | 209b3711 | Iustin Pop | module Ganeti.HTools.CLI |
31 | 0427285d | Iustin Pop | ( Options(..) |
32 | 0427285d | Iustin Pop | , OptType |
33 | 75d1edf8 | Iustin Pop | , parseOpts |
34 | e0eb63f0 | Iustin Pop | , shTemplate |
35 | ba9349b8 | Iustin Pop | , defaultLuxiSocket |
36 | 417f6b50 | Iustin Pop | , maybePrintNodes |
37 | 33e44f0c | Iustin Pop | , maybePrintInsts |
38 | 0427285d | Iustin Pop | -- * The options |
39 | 16c2369c | Iustin Pop | , oDataFile |
40 | df18fdfe | Iustin Pop | , oDiskMoves |
41 | c4bb977b | Iustin Pop | , oDiskTemplate |
42 | df18fdfe | Iustin Pop | , oDynuFile |
43 | f0f21ec4 | Iustin Pop | , oEvacMode |
44 | 10f396e1 | Iustin Pop | , oExInst |
45 | df18fdfe | Iustin Pop | , oExTags |
46 | 0df5a1b4 | Iustin Pop | , oExecJobs |
47 | a423b510 | Iustin Pop | , oGroup |
48 | 0427285d | Iustin Pop | , oIDisk |
49 | df18fdfe | Iustin Pop | , oIMem |
50 | df18fdfe | Iustin Pop | , oIVcpus |
51 | c4bb977b | Iustin Pop | , oInstMoves |
52 | df18fdfe | Iustin Pop | , oLuxiSocket |
53 | 0427285d | Iustin Pop | , oMaxCpu |
54 | df18fdfe | Iustin Pop | , oMaxSolLength |
55 | 0427285d | Iustin Pop | , oMinDisk |
56 | 4f807a57 | Iustin Pop | , oMinGain |
57 | 4f807a57 | Iustin Pop | , oMinGainLim |
58 | df18fdfe | Iustin Pop | , oMinScore |
59 | df18fdfe | Iustin Pop | , oNoHeaders |
60 | df18fdfe | Iustin Pop | , oNodeSim |
61 | df18fdfe | Iustin Pop | , oOfflineNode |
62 | df18fdfe | Iustin Pop | , oOneline |
63 | df18fdfe | Iustin Pop | , oOutputDir |
64 | df18fdfe | Iustin Pop | , oPrintCommands |
65 | df18fdfe | Iustin Pop | , oPrintInsts |
66 | df18fdfe | Iustin Pop | , oPrintNodes |
67 | df18fdfe | Iustin Pop | , oQuiet |
68 | df18fdfe | Iustin Pop | , oRapiMaster |
69 | 509809db | Iustin Pop | , oReplay |
70 | 02da9d07 | Iustin Pop | , oSaveCluster |
71 | c4bb977b | Iustin Pop | , oSelInst |
72 | 0427285d | Iustin Pop | , oShowHelp |
73 | df18fdfe | Iustin Pop | , oShowVer |
74 | df18fdfe | Iustin Pop | , oTieredSpec |
75 | df18fdfe | Iustin Pop | , oVerbose |
76 | 209b3711 | Iustin Pop | ) where |
77 | 209b3711 | Iustin Pop | |
78 | cc532bdd | Iustin Pop | import Control.Monad |
79 | e8f89bb6 | Iustin Pop | import Data.Maybe (fromMaybe) |
80 | 8e445e6d | Iustin Pop | import qualified Data.Version |
81 | 209b3711 | Iustin Pop | import System.Console.GetOpt |
82 | 209b3711 | Iustin Pop | import System.IO |
83 | 209b3711 | Iustin Pop | import System.Info |
84 | 209b3711 | Iustin Pop | import System |
85 | e8f89bb6 | Iustin Pop | import Text.Printf (printf) |
86 | 209b3711 | Iustin Pop | |
87 | 209b3711 | Iustin Pop | import qualified Ganeti.HTools.Version as Version(version) |
88 | a69ff623 | Iustin Pop | import qualified Ganeti.Constants as C |
89 | 92e32d76 | Iustin Pop | import Ganeti.HTools.Types |
90 | 1f9066c0 | Iustin Pop | import Ganeti.HTools.Utils |
91 | fae371cc | Iustin Pop | |
92 | 525bfb36 | Iustin Pop | -- * Constants |
93 | 525bfb36 | Iustin Pop | |
94 | 525bfb36 | Iustin Pop | -- | The default value for the luxi socket. |
95 | 525bfb36 | Iustin Pop | -- |
96 | 525bfb36 | Iustin Pop | -- This is re-exported from the "Ganeti.Constants" module. |
97 | 8e445e6d | Iustin Pop | defaultLuxiSocket :: FilePath |
98 | a69ff623 | Iustin Pop | defaultLuxiSocket = C.masterSocket |
99 | 8e445e6d | Iustin Pop | |
100 | 525bfb36 | Iustin Pop | -- * Data types |
101 | 525bfb36 | Iustin Pop | |
102 | 0427285d | Iustin Pop | -- | Command line options structure. |
103 | 0427285d | Iustin Pop | data Options = Options |
104 | df18fdfe | Iustin Pop | { optDataFile :: Maybe FilePath -- ^ Path to the cluster data file |
105 | df18fdfe | Iustin Pop | , optDiskMoves :: Bool -- ^ Allow disk moves |
106 | 8fcfb767 | Guido Trotter | , optInstMoves :: Bool -- ^ Allow instance moves |
107 | c4bb977b | Iustin Pop | , optDiskTemplate :: DiskTemplate -- ^ The requested disk template |
108 | df18fdfe | Iustin Pop | , optDynuFile :: Maybe FilePath -- ^ Optional file with dynamic use data |
109 | f0f21ec4 | Iustin Pop | , optEvacMode :: Bool -- ^ Enable evacuation mode |
110 | 10f396e1 | Iustin Pop | , optExInst :: [String] -- ^ Instances to be excluded |
111 | df18fdfe | Iustin Pop | , optExTags :: Maybe [String] -- ^ Tags to use for exclusion |
112 | 1f9066c0 | Iustin Pop | , optExecJobs :: Bool -- ^ Execute the commands via Luxi |
113 | a423b510 | Iustin Pop | , optGroup :: Maybe GroupID -- ^ The UUID of the group to process |
114 | ddef0585 | Guido Trotter | , optSelInst :: [String] -- ^ Instances to be excluded |
115 | 1f9066c0 | Iustin Pop | , optISpec :: RSpec -- ^ Requested instance specs |
116 | df18fdfe | Iustin Pop | , optLuxi :: Maybe FilePath -- ^ Collect data from Luxi |
117 | df18fdfe | Iustin Pop | , optMaster :: String -- ^ Collect data from RAPI |
118 | df18fdfe | Iustin Pop | , optMaxLength :: Int -- ^ Stop after this many steps |
119 | 1f9066c0 | Iustin Pop | , optMcpu :: Double -- ^ Max cpu ratio for nodes |
120 | 1f9066c0 | Iustin Pop | , optMdsk :: Double -- ^ Max disk usage ratio for nodes |
121 | 4f807a57 | Iustin Pop | , optMinGain :: Score -- ^ Min gain we aim for in a step |
122 | 4f807a57 | Iustin Pop | , optMinGainLim :: Score -- ^ Limit below which we apply mingain |
123 | df18fdfe | Iustin Pop | , optMinScore :: Score -- ^ The minimum score we aim for |
124 | df18fdfe | Iustin Pop | , optNoHeaders :: Bool -- ^ Do not show a header line |
125 | 9983063b | Iustin Pop | , optNodeSim :: [String] -- ^ Cluster simulation mode |
126 | df18fdfe | Iustin Pop | , optOffline :: [String] -- ^ Names of offline nodes |
127 | df18fdfe | Iustin Pop | , optOneline :: Bool -- ^ Switch output to a single line |
128 | df18fdfe | Iustin Pop | , optOutPath :: FilePath -- ^ Path to the output directory |
129 | 02da9d07 | Iustin Pop | , optSaveCluster :: Maybe FilePath -- ^ Save cluster state to this file |
130 | df18fdfe | Iustin Pop | , optShowCmds :: Maybe FilePath -- ^ Whether to show the command list |
131 | 1f9066c0 | Iustin Pop | , optShowHelp :: Bool -- ^ Just show the help |
132 | df18fdfe | Iustin Pop | , optShowInsts :: Bool -- ^ Whether to show the instance map |
133 | df18fdfe | Iustin Pop | , optShowNodes :: Maybe [String] -- ^ Whether to show node status |
134 | df18fdfe | Iustin Pop | , optShowVer :: Bool -- ^ Just show the program version |
135 | df18fdfe | Iustin Pop | , optTieredSpec :: Maybe RSpec -- ^ Requested specs for tiered mode |
136 | 509809db | Iustin Pop | , optReplay :: Maybe String -- ^ Unittests: RNG state |
137 | df18fdfe | Iustin Pop | , optVerbose :: Int -- ^ Verbosity level |
138 | 0427285d | Iustin Pop | } deriving Show |
139 | 0427285d | Iustin Pop | |
140 | 0427285d | Iustin Pop | -- | Default values for the command line options. |
141 | 0427285d | Iustin Pop | defaultOptions :: Options |
142 | 0427285d | Iustin Pop | defaultOptions = Options |
143 | df18fdfe | Iustin Pop | { optDataFile = Nothing |
144 | df18fdfe | Iustin Pop | , optDiskMoves = True |
145 | 8fcfb767 | Guido Trotter | , optInstMoves = True |
146 | c4bb977b | Iustin Pop | , optDiskTemplate = DTDrbd8 |
147 | df18fdfe | Iustin Pop | , optDynuFile = Nothing |
148 | f0f21ec4 | Iustin Pop | , optEvacMode = False |
149 | 10f396e1 | Iustin Pop | , optExInst = [] |
150 | df18fdfe | Iustin Pop | , optExTags = Nothing |
151 | 1f9066c0 | Iustin Pop | , optExecJobs = False |
152 | a423b510 | Iustin Pop | , optGroup = Nothing |
153 | ddef0585 | Guido Trotter | , optSelInst = [] |
154 | 1f9066c0 | Iustin Pop | , optISpec = RSpec 1 4096 102400 |
155 | df18fdfe | Iustin Pop | , optLuxi = Nothing |
156 | df18fdfe | Iustin Pop | , optMaster = "" |
157 | df18fdfe | Iustin Pop | , optMaxLength = -1 |
158 | f4c0b8c5 | Iustin Pop | , optMcpu = defVcpuRatio |
159 | f4c0b8c5 | Iustin Pop | , optMdsk = defReservedDiskRatio |
160 | 4f807a57 | Iustin Pop | , optMinGain = 1e-2 |
161 | 4f807a57 | Iustin Pop | , optMinGainLim = 1e-1 |
162 | df18fdfe | Iustin Pop | , optMinScore = 1e-9 |
163 | df18fdfe | Iustin Pop | , optNoHeaders = False |
164 | 9983063b | Iustin Pop | , optNodeSim = [] |
165 | df18fdfe | Iustin Pop | , optOffline = [] |
166 | df18fdfe | Iustin Pop | , optOneline = False |
167 | df18fdfe | Iustin Pop | , optOutPath = "." |
168 | 02da9d07 | Iustin Pop | , optSaveCluster = Nothing |
169 | df18fdfe | Iustin Pop | , optShowCmds = Nothing |
170 | 1f9066c0 | Iustin Pop | , optShowHelp = False |
171 | df18fdfe | Iustin Pop | , optShowInsts = False |
172 | df18fdfe | Iustin Pop | , optShowNodes = Nothing |
173 | df18fdfe | Iustin Pop | , optShowVer = False |
174 | df18fdfe | Iustin Pop | , optTieredSpec = Nothing |
175 | 509809db | Iustin Pop | , optReplay = Nothing |
176 | df18fdfe | Iustin Pop | , optVerbose = 1 |
177 | 0427285d | Iustin Pop | } |
178 | 0427285d | Iustin Pop | |
179 | 525bfb36 | Iustin Pop | -- | Abrreviation for the option type. |
180 | 2f567ac0 | Iustin Pop | type OptType = OptDescr (Options -> Result Options) |
181 | 0427285d | Iustin Pop | |
182 | 525bfb36 | Iustin Pop | -- * Command line options |
183 | 525bfb36 | Iustin Pop | |
184 | 16c2369c | Iustin Pop | oDataFile :: OptType |
185 | 16c2369c | Iustin Pop | oDataFile = Option "t" ["text-data"] |
186 | 16c2369c | Iustin Pop | (ReqArg (\ f o -> Ok o { optDataFile = Just f }) "FILE") |
187 | 16c2369c | Iustin Pop | "the cluster data FILE" |
188 | 0427285d | Iustin Pop | |
189 | df18fdfe | Iustin Pop | oDiskMoves :: OptType |
190 | df18fdfe | Iustin Pop | oDiskMoves = Option "" ["no-disk-moves"] |
191 | df18fdfe | Iustin Pop | (NoArg (\ opts -> Ok opts { optDiskMoves = False})) |
192 | df18fdfe | Iustin Pop | "disallow disk moves from the list of allowed instance changes,\ |
193 | df18fdfe | Iustin Pop | \ thus allowing only the 'cheap' failover/migrate operations" |
194 | b2278348 | Iustin Pop | |
195 | c4bb977b | Iustin Pop | oDiskTemplate :: OptType |
196 | c4bb977b | Iustin Pop | oDiskTemplate = Option "" ["disk-template"] |
197 | c4bb977b | Iustin Pop | (ReqArg (\ t opts -> do |
198 | c4bb977b | Iustin Pop | dt <- dtFromString t |
199 | c4bb977b | Iustin Pop | return $ opts { optDiskTemplate = dt }) "TEMPLATE") |
200 | c4bb977b | Iustin Pop | "select the desired disk template" |
201 | c4bb977b | Iustin Pop | |
202 | ddef0585 | Guido Trotter | oSelInst :: OptType |
203 | ddef0585 | Guido Trotter | oSelInst = Option "" ["select-instances"] |
204 | ddef0585 | Guido Trotter | (ReqArg (\ f opts -> Ok opts { optSelInst = sepSplit ',' f }) "INSTS") |
205 | ddef0585 | Guido Trotter | "only select given instances for any moves" |
206 | ddef0585 | Guido Trotter | |
207 | 8fcfb767 | Guido Trotter | oInstMoves :: OptType |
208 | 8fcfb767 | Guido Trotter | oInstMoves = Option "" ["no-instance-moves"] |
209 | 8fcfb767 | Guido Trotter | (NoArg (\ opts -> Ok opts { optInstMoves = False})) |
210 | 8fcfb767 | Guido Trotter | "disallow instance (primary node) moves from the list of allowed,\ |
211 | 8fcfb767 | Guido Trotter | \ instance changes, thus allowing only slower, but sometimes\ |
212 | 8fcfb767 | Guido Trotter | \ safer, drbd secondary changes" |
213 | 8fcfb767 | Guido Trotter | |
214 | df18fdfe | Iustin Pop | oDynuFile :: OptType |
215 | df18fdfe | Iustin Pop | oDynuFile = Option "U" ["dynu-file"] |
216 | df18fdfe | Iustin Pop | (ReqArg (\ f opts -> Ok opts { optDynuFile = Just f }) "FILE") |
217 | df18fdfe | Iustin Pop | "Import dynamic utilisation data from the given FILE" |
218 | 0427285d | Iustin Pop | |
219 | f0f21ec4 | Iustin Pop | oEvacMode :: OptType |
220 | f0f21ec4 | Iustin Pop | oEvacMode = Option "E" ["evac-mode"] |
221 | f0f21ec4 | Iustin Pop | (NoArg (\opts -> Ok opts { optEvacMode = True })) |
222 | f0f21ec4 | Iustin Pop | "enable evacuation mode, where the algorithm only moves \ |
223 | f0f21ec4 | Iustin Pop | \ instances away from offline and drained nodes" |
224 | f0f21ec4 | Iustin Pop | |
225 | 10f396e1 | Iustin Pop | oExInst :: OptType |
226 | 10f396e1 | Iustin Pop | oExInst = Option "" ["exclude-instances"] |
227 | 10f396e1 | Iustin Pop | (ReqArg (\ f opts -> Ok opts { optExInst = sepSplit ',' f }) "INSTS") |
228 | 6c30ce16 | Guido Trotter | "exclude given instances from any moves" |
229 | 10f396e1 | Iustin Pop | |
230 | df18fdfe | Iustin Pop | oExTags :: OptType |
231 | df18fdfe | Iustin Pop | oExTags = Option "" ["exclusion-tags"] |
232 | df18fdfe | Iustin Pop | (ReqArg (\ f opts -> Ok opts { optExTags = Just $ sepSplit ',' f }) |
233 | df18fdfe | Iustin Pop | "TAG,...") "Enable instance exclusion based on given tag prefix" |
234 | 0427285d | Iustin Pop | |
235 | 0df5a1b4 | Iustin Pop | oExecJobs :: OptType |
236 | 0df5a1b4 | Iustin Pop | oExecJobs = Option "X" ["exec"] |
237 | 2f567ac0 | Iustin Pop | (NoArg (\ opts -> Ok opts { optExecJobs = True})) |
238 | 0df5a1b4 | Iustin Pop | "execute the suggested moves via Luxi (only available when using\ |
239 | 71e635f3 | Renรฉ Nussbaumer | \ it for data gathering)" |
240 | 0df5a1b4 | Iustin Pop | |
241 | a423b510 | Iustin Pop | oGroup :: OptType |
242 | a423b510 | Iustin Pop | oGroup = Option "G" ["group"] |
243 | a423b510 | Iustin Pop | (ReqArg (\ f o -> Ok o { optGroup = Just f }) "ID") |
244 | a423b510 | Iustin Pop | "the ID of the group to balance" |
245 | a423b510 | Iustin Pop | |
246 | df18fdfe | Iustin Pop | oIDisk :: OptType |
247 | df18fdfe | Iustin Pop | oIDisk = Option "" ["disk"] |
248 | 247f77b7 | Iustin Pop | (ReqArg (\ d opts -> do |
249 | 247f77b7 | Iustin Pop | dsk <- annotateResult ("--disk option") (parseUnit d) |
250 | 247f77b7 | Iustin Pop | let ospec = optISpec opts |
251 | 247f77b7 | Iustin Pop | nspec = ospec { rspecDsk = dsk } |
252 | 247f77b7 | Iustin Pop | return $ opts { optISpec = nspec }) "DISK") |
253 | df18fdfe | Iustin Pop | "disk size for instances" |
254 | 0427285d | Iustin Pop | |
255 | 0427285d | Iustin Pop | oIMem :: OptType |
256 | 0427285d | Iustin Pop | oIMem = Option "" ["memory"] |
257 | 247f77b7 | Iustin Pop | (ReqArg (\ m opts -> do |
258 | 247f77b7 | Iustin Pop | mem <- annotateResult ("--memory option") (parseUnit m) |
259 | 247f77b7 | Iustin Pop | let ospec = optISpec opts |
260 | 247f77b7 | Iustin Pop | nspec = ospec { rspecMem = mem } |
261 | 247f77b7 | Iustin Pop | return $ opts { optISpec = nspec }) "MEMORY") |
262 | 0427285d | Iustin Pop | "memory size for instances" |
263 | 0427285d | Iustin Pop | |
264 | 0427285d | Iustin Pop | oIVcpus :: OptType |
265 | 0427285d | Iustin Pop | oIVcpus = Option "" ["vcpus"] |
266 | 247f77b7 | Iustin Pop | (ReqArg (\ p opts -> do |
267 | 247f77b7 | Iustin Pop | vcpus <- tryRead "--vcpus option" p |
268 | 247f77b7 | Iustin Pop | let ospec = optISpec opts |
269 | 247f77b7 | Iustin Pop | nspec = ospec { rspecCpu = vcpus } |
270 | 247f77b7 | Iustin Pop | return $ opts { optISpec = nspec }) "NUM") |
271 | 0427285d | Iustin Pop | "number of virtual cpus for instances" |
272 | 0427285d | Iustin Pop | |
273 | df18fdfe | Iustin Pop | oLuxiSocket :: OptType |
274 | df18fdfe | Iustin Pop | oLuxiSocket = Option "L" ["luxi"] |
275 | df18fdfe | Iustin Pop | (OptArg ((\ f opts -> Ok opts { optLuxi = Just f }) . |
276 | df18fdfe | Iustin Pop | fromMaybe defaultLuxiSocket) "SOCKET") |
277 | df18fdfe | Iustin Pop | "collect data via Luxi, optionally using the given SOCKET path" |
278 | 0427285d | Iustin Pop | |
279 | 0427285d | Iustin Pop | oMaxCpu :: OptType |
280 | 0427285d | Iustin Pop | oMaxCpu = Option "" ["max-cpu"] |
281 | 2f567ac0 | Iustin Pop | (ReqArg (\ n opts -> Ok opts { optMcpu = read n }) "RATIO") |
282 | f4c0b8c5 | Iustin Pop | "maximum virtual-to-physical cpu ratio for nodes (from 1\ |
283 | f4c0b8c5 | Iustin Pop | \ upwards) [64]" |
284 | 0427285d | Iustin Pop | |
285 | df18fdfe | Iustin Pop | oMaxSolLength :: OptType |
286 | df18fdfe | Iustin Pop | oMaxSolLength = Option "l" ["max-length"] |
287 | df18fdfe | Iustin Pop | (ReqArg (\ i opts -> Ok opts { optMaxLength = read i }) "N") |
288 | df18fdfe | Iustin Pop | "cap the solution at this many moves (useful for very\ |
289 | df18fdfe | Iustin Pop | \ unbalanced clusters)" |
290 | df18fdfe | Iustin Pop | |
291 | 0427285d | Iustin Pop | oMinDisk :: OptType |
292 | 0427285d | Iustin Pop | oMinDisk = Option "" ["min-disk"] |
293 | 2f567ac0 | Iustin Pop | (ReqArg (\ n opts -> Ok opts { optMdsk = read n }) "RATIO") |
294 | f4c0b8c5 | Iustin Pop | "minimum free disk space for nodes (between 0 and 1) [0]" |
295 | 0427285d | Iustin Pop | |
296 | 4f807a57 | Iustin Pop | oMinGain :: OptType |
297 | 4f807a57 | Iustin Pop | oMinGain = Option "g" ["min-gain"] |
298 | 4f807a57 | Iustin Pop | (ReqArg (\ g opts -> Ok opts { optMinGain = read g }) "DELTA") |
299 | 4f807a57 | Iustin Pop | "minimum gain to aim for in a balancing step before giving up" |
300 | 4f807a57 | Iustin Pop | |
301 | 4f807a57 | Iustin Pop | oMinGainLim :: OptType |
302 | 4f807a57 | Iustin Pop | oMinGainLim = Option "" ["min-gain-limit"] |
303 | 4f807a57 | Iustin Pop | (ReqArg (\ g opts -> Ok opts { optMinGainLim = read g }) "SCORE") |
304 | 4f807a57 | Iustin Pop | "minimum cluster score for which we start checking the min-gain" |
305 | 4f807a57 | Iustin Pop | |
306 | df18fdfe | Iustin Pop | oMinScore :: OptType |
307 | df18fdfe | Iustin Pop | oMinScore = Option "e" ["min-score"] |
308 | df18fdfe | Iustin Pop | (ReqArg (\ e opts -> Ok opts { optMinScore = read e }) "EPSILON") |
309 | 4f807a57 | Iustin Pop | "mininum score to aim for" |
310 | c0501c69 | Iustin Pop | |
311 | df18fdfe | Iustin Pop | oNoHeaders :: OptType |
312 | df18fdfe | Iustin Pop | oNoHeaders = Option "" ["no-headers"] |
313 | df18fdfe | Iustin Pop | (NoArg (\ opts -> Ok opts { optNoHeaders = True })) |
314 | df18fdfe | Iustin Pop | "do not show a header line" |
315 | 4f83a560 | Iustin Pop | |
316 | df18fdfe | Iustin Pop | oNodeSim :: OptType |
317 | df18fdfe | Iustin Pop | oNodeSim = Option "" ["simulate"] |
318 | 9983063b | Iustin Pop | (ReqArg (\ f o -> Ok o { optNodeSim = f:optNodeSim o }) "SPEC") |
319 | df18fdfe | Iustin Pop | "simulate an empty cluster, given as 'num_nodes,disk,ram,cpu'" |
320 | df18fdfe | Iustin Pop | |
321 | df18fdfe | Iustin Pop | oOfflineNode :: OptType |
322 | df18fdfe | Iustin Pop | oOfflineNode = Option "O" ["offline"] |
323 | df18fdfe | Iustin Pop | (ReqArg (\ n o -> Ok o { optOffline = n:optOffline o }) "NODE") |
324 | df18fdfe | Iustin Pop | "set node as offline" |
325 | df18fdfe | Iustin Pop | |
326 | df18fdfe | Iustin Pop | oOneline :: OptType |
327 | df18fdfe | Iustin Pop | oOneline = Option "o" ["oneline"] |
328 | df18fdfe | Iustin Pop | (NoArg (\ opts -> Ok opts { optOneline = True })) |
329 | df18fdfe | Iustin Pop | "print the ganeti command list for reaching the solution" |
330 | df18fdfe | Iustin Pop | |
331 | df18fdfe | Iustin Pop | oOutputDir :: OptType |
332 | df18fdfe | Iustin Pop | oOutputDir = Option "d" ["output-dir"] |
333 | df18fdfe | Iustin Pop | (ReqArg (\ d opts -> Ok opts { optOutPath = d }) "PATH") |
334 | df18fdfe | Iustin Pop | "directory in which to write output files" |
335 | df18fdfe | Iustin Pop | |
336 | df18fdfe | Iustin Pop | oPrintCommands :: OptType |
337 | df18fdfe | Iustin Pop | oPrintCommands = Option "C" ["print-commands"] |
338 | df18fdfe | Iustin Pop | (OptArg ((\ f opts -> Ok opts { optShowCmds = Just f }) . |
339 | df18fdfe | Iustin Pop | fromMaybe "-") |
340 | df18fdfe | Iustin Pop | "FILE") |
341 | df18fdfe | Iustin Pop | "print the ganeti command list for reaching the solution,\ |
342 | df18fdfe | Iustin Pop | \ if an argument is passed then write the commands to a\ |
343 | df18fdfe | Iustin Pop | \ file named as such" |
344 | df18fdfe | Iustin Pop | |
345 | df18fdfe | Iustin Pop | oPrintInsts :: OptType |
346 | df18fdfe | Iustin Pop | oPrintInsts = Option "" ["print-instances"] |
347 | df18fdfe | Iustin Pop | (NoArg (\ opts -> Ok opts { optShowInsts = True })) |
348 | df18fdfe | Iustin Pop | "print the final instance map" |
349 | df18fdfe | Iustin Pop | |
350 | df18fdfe | Iustin Pop | oPrintNodes :: OptType |
351 | df18fdfe | Iustin Pop | oPrintNodes = Option "p" ["print-nodes"] |
352 | df18fdfe | Iustin Pop | (OptArg ((\ f opts -> |
353 | 6dfa04fd | Iustin Pop | let (prefix, realf) = case f of |
354 | 6dfa04fd | Iustin Pop | '+':rest -> (["+"], rest) |
355 | 6dfa04fd | Iustin Pop | _ -> ([], f) |
356 | 6dfa04fd | Iustin Pop | splitted = prefix ++ sepSplit ',' realf |
357 | df18fdfe | Iustin Pop | in Ok opts { optShowNodes = Just splitted }) . |
358 | df18fdfe | Iustin Pop | fromMaybe []) "FIELDS") |
359 | df18fdfe | Iustin Pop | "print the final node list" |
360 | df18fdfe | Iustin Pop | |
361 | df18fdfe | Iustin Pop | oQuiet :: OptType |
362 | df18fdfe | Iustin Pop | oQuiet = Option "q" ["quiet"] |
363 | df18fdfe | Iustin Pop | (NoArg (\ opts -> Ok opts { optVerbose = optVerbose opts - 1 })) |
364 | df18fdfe | Iustin Pop | "decrease the verbosity level" |
365 | df18fdfe | Iustin Pop | |
366 | df18fdfe | Iustin Pop | oRapiMaster :: OptType |
367 | df18fdfe | Iustin Pop | oRapiMaster = Option "m" ["master"] |
368 | df18fdfe | Iustin Pop | (ReqArg (\ m opts -> Ok opts { optMaster = m }) "ADDRESS") |
369 | df18fdfe | Iustin Pop | "collect data via RAPI at the given ADDRESS" |
370 | df18fdfe | Iustin Pop | |
371 | 02da9d07 | Iustin Pop | oSaveCluster :: OptType |
372 | 02da9d07 | Iustin Pop | oSaveCluster = Option "S" ["save"] |
373 | 02da9d07 | Iustin Pop | (ReqArg (\ f opts -> Ok opts { optSaveCluster = Just f }) "FILE") |
374 | 02da9d07 | Iustin Pop | "Save cluster state at the end of the processing to FILE" |
375 | 02da9d07 | Iustin Pop | |
376 | df18fdfe | Iustin Pop | oShowHelp :: OptType |
377 | df18fdfe | Iustin Pop | oShowHelp = Option "h" ["help"] |
378 | df18fdfe | Iustin Pop | (NoArg (\ opts -> Ok opts { optShowHelp = True})) |
379 | df18fdfe | Iustin Pop | "show help" |
380 | df18fdfe | Iustin Pop | |
381 | df18fdfe | Iustin Pop | oShowVer :: OptType |
382 | df18fdfe | Iustin Pop | oShowVer = Option "V" ["version"] |
383 | df18fdfe | Iustin Pop | (NoArg (\ opts -> Ok opts { optShowVer = True})) |
384 | df18fdfe | Iustin Pop | "show the version of the program" |
385 | 0f15cc76 | Iustin Pop | |
386 | 1f9066c0 | Iustin Pop | oTieredSpec :: OptType |
387 | 1f9066c0 | Iustin Pop | oTieredSpec = Option "" ["tiered-alloc"] |
388 | 1f9066c0 | Iustin Pop | (ReqArg (\ inp opts -> do |
389 | 1f9066c0 | Iustin Pop | let sp = sepSplit ',' inp |
390 | 247f77b7 | Iustin Pop | prs <- mapM (\(fn, val) -> fn val) $ |
391 | 247f77b7 | Iustin Pop | zip [ annotateResult "tiered specs memory" . |
392 | 247f77b7 | Iustin Pop | parseUnit |
393 | 247f77b7 | Iustin Pop | , annotateResult "tiered specs disk" . |
394 | 247f77b7 | Iustin Pop | parseUnit |
395 | 247f77b7 | Iustin Pop | , tryRead "tiered specs cpus" |
396 | 247f77b7 | Iustin Pop | ] sp |
397 | 1f9066c0 | Iustin Pop | tspec <- |
398 | 1f9066c0 | Iustin Pop | case prs of |
399 | 7f4e37f0 | Iustin Pop | [dsk, ram, cpu] -> return $ RSpec cpu ram dsk |
400 | 03c6d8fa | Iustin Pop | _ -> Bad $ "Invalid specification: " ++ inp ++ |
401 | 03c6d8fa | Iustin Pop | ", expected disk,ram,cpu" |
402 | 1f9066c0 | Iustin Pop | return $ opts { optTieredSpec = Just tspec } ) |
403 | 1f9066c0 | Iustin Pop | "TSPEC") |
404 | 7f4e37f0 | Iustin Pop | "enable tiered specs allocation, given as 'disk,ram,cpu'" |
405 | 1f9066c0 | Iustin Pop | |
406 | 509809db | Iustin Pop | oReplay :: OptType |
407 | 509809db | Iustin Pop | oReplay = Option "" ["replay"] |
408 | 509809db | Iustin Pop | (ReqArg (\ stat opts -> Ok opts { optReplay = Just stat } ) "STATE") |
409 | 509809db | Iustin Pop | "Pre-seed the random number generator with STATE" |
410 | 509809db | Iustin Pop | |
411 | df18fdfe | Iustin Pop | oVerbose :: OptType |
412 | df18fdfe | Iustin Pop | oVerbose = Option "v" ["verbose"] |
413 | df18fdfe | Iustin Pop | (NoArg (\ opts -> Ok opts { optVerbose = optVerbose opts + 1 })) |
414 | df18fdfe | Iustin Pop | "increase the verbosity level" |
415 | fae371cc | Iustin Pop | |
416 | 525bfb36 | Iustin Pop | -- * Functions |
417 | 525bfb36 | Iustin Pop | |
418 | 525bfb36 | Iustin Pop | -- | Usage info. |
419 | 0427285d | Iustin Pop | usageHelp :: String -> [OptType] -> String |
420 | 9f6dcdea | Iustin Pop | usageHelp progname = |
421 | 78694255 | Iustin Pop | usageInfo (printf "%s %s\nUsage: %s [OPTION...]" |
422 | 9f6dcdea | Iustin Pop | progname Version.version progname) |
423 | 78694255 | Iustin Pop | |
424 | 525bfb36 | Iustin Pop | -- | Command line parser, using the 'Options' structure. |
425 | 0427285d | Iustin Pop | parseOpts :: [String] -- ^ The command line arguments |
426 | 0427285d | Iustin Pop | -> String -- ^ The program name |
427 | 0427285d | Iustin Pop | -> [OptType] -- ^ The supported command line options |
428 | 0427285d | Iustin Pop | -> IO (Options, [String]) -- ^ The resulting options and leftover |
429 | 0427285d | Iustin Pop | -- arguments |
430 | 0427285d | Iustin Pop | parseOpts argv progname options = |
431 | 209b3711 | Iustin Pop | case getOpt Permute options argv of |
432 | 209b3711 | Iustin Pop | (o, n, []) -> |
433 | 209b3711 | Iustin Pop | do |
434 | 2f567ac0 | Iustin Pop | let (pr, args) = (foldM (flip id) defaultOptions o, n) |
435 | 2f567ac0 | Iustin Pop | po <- (case pr of |
436 | 2f567ac0 | Iustin Pop | Bad msg -> do |
437 | 2f567ac0 | Iustin Pop | hPutStrLn stderr "Error while parsing command\ |
438 | 2f567ac0 | Iustin Pop | \line arguments:" |
439 | 2f567ac0 | Iustin Pop | hPutStrLn stderr msg |
440 | 2f567ac0 | Iustin Pop | exitWith $ ExitFailure 1 |
441 | 2f567ac0 | Iustin Pop | Ok val -> return val) |
442 | 0427285d | Iustin Pop | when (optShowHelp po) $ do |
443 | 78694255 | Iustin Pop | putStr $ usageHelp progname options |
444 | 209b3711 | Iustin Pop | exitWith ExitSuccess |
445 | 0427285d | Iustin Pop | when (optShowVer po) $ do |
446 | 75d1edf8 | Iustin Pop | printf "%s %s\ncompiled with %s %s\nrunning on %s %s\n" |
447 | 75d1edf8 | Iustin Pop | progname Version.version |
448 | 75d1edf8 | Iustin Pop | compilerName (Data.Version.showVersion compilerVersion) |
449 | c939b58e | Iustin Pop | os arch :: IO () |
450 | 75d1edf8 | Iustin Pop | exitWith ExitSuccess |
451 | 2f567ac0 | Iustin Pop | return (po, args) |
452 | f723de38 | Iustin Pop | (_, _, errs) -> do |
453 | f723de38 | Iustin Pop | hPutStrLn stderr $ "Command line error: " ++ concat errs |
454 | f723de38 | Iustin Pop | hPutStrLn stderr $ usageHelp progname options |
455 | f723de38 | Iustin Pop | exitWith $ ExitFailure 2 |
456 | 209b3711 | Iustin Pop | |
457 | 9188aeef | Iustin Pop | -- | A shell script template for autogenerated scripts. |
458 | e0eb63f0 | Iustin Pop | shTemplate :: String |
459 | e0eb63f0 | Iustin Pop | shTemplate = |
460 | e0eb63f0 | Iustin Pop | printf "#!/bin/sh\n\n\ |
461 | e0eb63f0 | Iustin Pop | \# Auto-generated script for executing cluster rebalancing\n\n\ |
462 | e0eb63f0 | Iustin Pop | \# To stop, touch the file /tmp/stop-htools\n\n\ |
463 | e0eb63f0 | Iustin Pop | \set -e\n\n\ |
464 | e0eb63f0 | Iustin Pop | \check() {\n\ |
465 | e0eb63f0 | Iustin Pop | \ if [ -f /tmp/stop-htools ]; then\n\ |
466 | e0eb63f0 | Iustin Pop | \ echo 'Stop requested, exiting'\n\ |
467 | e0eb63f0 | Iustin Pop | \ exit 0\n\ |
468 | e0eb63f0 | Iustin Pop | \ fi\n\ |
469 | e0eb63f0 | Iustin Pop | \}\n\n" |
470 | 417f6b50 | Iustin Pop | |
471 | 417f6b50 | Iustin Pop | -- | Optionally print the node list. |
472 | 417f6b50 | Iustin Pop | maybePrintNodes :: Maybe [String] -- ^ The field list |
473 | 417f6b50 | Iustin Pop | -> String -- ^ Informational message |
474 | 417f6b50 | Iustin Pop | -> ([String] -> String) -- ^ Function to generate the listing |
475 | 417f6b50 | Iustin Pop | -> IO () |
476 | 417f6b50 | Iustin Pop | maybePrintNodes Nothing _ _ = return () |
477 | 417f6b50 | Iustin Pop | maybePrintNodes (Just fields) msg fn = do |
478 | 417f6b50 | Iustin Pop | hPutStrLn stderr "" |
479 | 417f6b50 | Iustin Pop | hPutStrLn stderr (msg ++ " status:") |
480 | 417f6b50 | Iustin Pop | hPutStrLn stderr $ fn fields |
481 | 33e44f0c | Iustin Pop | |
482 | 33e44f0c | Iustin Pop | |
483 | 33e44f0c | Iustin Pop | -- | Optionally print the instance list. |
484 | 33e44f0c | Iustin Pop | maybePrintInsts :: Bool -- ^ Whether to print the instance list |
485 | 33e44f0c | Iustin Pop | -> String -- ^ Type of the instance map (e.g. initial) |
486 | 33e44f0c | Iustin Pop | -> String -- ^ The instance data |
487 | 33e44f0c | Iustin Pop | -> IO () |
488 | 33e44f0c | Iustin Pop | maybePrintInsts do_print msg instdata = |
489 | 33e44f0c | Iustin Pop | when do_print $ do |
490 | 33e44f0c | Iustin Pop | hPutStrLn stderr "" |
491 | 33e44f0c | Iustin Pop | hPutStrLn stderr $ msg ++ " instance map:" |
492 | 33e44f0c | Iustin Pop | hPutStr stderr instdata |