root / htools / Ganeti / HTools / Types.hs @ 61bbbed7
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1 | e9aaa3c6 | Iustin Pop | {-# LANGUAGE TemplateHaskell #-} |
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2 | e9aaa3c6 | Iustin Pop | |
3 | e4c5beaf | Iustin Pop | {-| Some common types. |
4 | e4c5beaf | Iustin Pop | |
5 | e4c5beaf | Iustin Pop | -} |
6 | e4c5beaf | Iustin Pop | |
7 | e2fa2baf | Iustin Pop | {- |
8 | e2fa2baf | Iustin Pop | |
9 | 2e5eb96a | Iustin Pop | Copyright (C) 2009, 2010, 2011 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 | e4c5beaf | Iustin Pop | module Ganeti.HTools.Types |
29 | 19f38ee8 | Iustin Pop | ( Idx |
30 | 19f38ee8 | Iustin Pop | , Ndx |
31 | 0dc1bf87 | Iustin Pop | , Gdx |
32 | 19f38ee8 | Iustin Pop | , NameAssoc |
33 | 92e32d76 | Iustin Pop | , Score |
34 | 2180829f | Iustin Pop | , Weight |
35 | c4d98278 | Iustin Pop | , GroupID |
36 | 0dc1bf87 | Iustin Pop | , AllocPolicy(..) |
37 | 5f828ce4 | Agata Murawska | , allocPolicyFromRaw |
38 | 5f828ce4 | Agata Murawska | , allocPolicyToRaw |
39 | 3771d104 | Agata Murawska | , InstanceStatus(..) |
40 | 3771d104 | Agata Murawska | , instanceStatusFromRaw |
41 | 3771d104 | Agata Murawska | , instanceStatusToRaw |
42 | 1f9066c0 | Iustin Pop | , RSpec(..) |
43 | 2180829f | Iustin Pop | , DynUtil(..) |
44 | 2180829f | Iustin Pop | , zeroUtil |
45 | ee9724b9 | Iustin Pop | , baseUtil |
46 | 2180829f | Iustin Pop | , addUtil |
47 | 2180829f | Iustin Pop | , subUtil |
48 | f4c0b8c5 | Iustin Pop | , defVcpuRatio |
49 | f4c0b8c5 | Iustin Pop | , defReservedDiskRatio |
50 | 1e3dccc8 | Iustin Pop | , unitMem |
51 | 1e3dccc8 | Iustin Pop | , unitCpu |
52 | 1e3dccc8 | Iustin Pop | , unitDsk |
53 | 82ea2874 | Iustin Pop | , unknownField |
54 | 92e32d76 | Iustin Pop | , Placement |
55 | 92e32d76 | Iustin Pop | , IMove(..) |
56 | cc25e437 | Iustin Pop | , DiskTemplate(..) |
57 | 5f828ce4 | Agata Murawska | , diskTemplateToRaw |
58 | 5f828ce4 | Agata Murawska | , diskTemplateFromRaw |
59 | 0e8ae201 | Iustin Pop | , MoveJob |
60 | 0e8ae201 | Iustin Pop | , JobSet |
61 | 19f38ee8 | Iustin Pop | , Result(..) |
62 | 06fb841e | Iustin Pop | , isOk |
63 | 06fb841e | Iustin Pop | , isBad |
64 | a30b473c | Iustin Pop | , eitherToResult |
65 | 19f38ee8 | Iustin Pop | , Element(..) |
66 | f2280553 | Iustin Pop | , FailMode(..) |
67 | 478df686 | Iustin Pop | , FailStats |
68 | f2280553 | Iustin Pop | , OpResult(..) |
69 | a30b473c | Iustin Pop | , opToResult |
70 | 135a6c6a | Iustin Pop | , connTimeout |
71 | 135a6c6a | Iustin Pop | , queryTimeout |
72 | 1fe412bb | Iustin Pop | , EvacMode(..) |
73 | 19f38ee8 | Iustin Pop | ) where |
74 | e4c5beaf | Iustin Pop | |
75 | 1c7c4578 | Iustin Pop | import Control.Monad |
76 | 2d0ca2c5 | Iustin Pop | import qualified Data.Map as M |
77 | b2ba4669 | Iustin Pop | import qualified Text.JSON as JSON |
78 | 2d0ca2c5 | Iustin Pop | |
79 | 2e5eb96a | Iustin Pop | import qualified Ganeti.Constants as C |
80 | e9aaa3c6 | Iustin Pop | import qualified Ganeti.THH as THH |
81 | 2e5eb96a | Iustin Pop | |
82 | 9188aeef | Iustin Pop | -- | The instance index type. |
83 | 608efcce | Iustin Pop | type Idx = Int |
84 | 608efcce | Iustin Pop | |
85 | 9188aeef | Iustin Pop | -- | The node index type. |
86 | 608efcce | Iustin Pop | type Ndx = Int |
87 | 608efcce | Iustin Pop | |
88 | 0dc1bf87 | Iustin Pop | -- | The group index type. |
89 | 0dc1bf87 | Iustin Pop | type Gdx = Int |
90 | 0dc1bf87 | Iustin Pop | |
91 | 9188aeef | Iustin Pop | -- | The type used to hold name-to-idx mappings. |
92 | 2d0ca2c5 | Iustin Pop | type NameAssoc = M.Map String Int |
93 | e4c5beaf | Iustin Pop | |
94 | 92e32d76 | Iustin Pop | -- | A separate name for the cluster score type. |
95 | 92e32d76 | Iustin Pop | type Score = Double |
96 | 92e32d76 | Iustin Pop | |
97 | 2180829f | Iustin Pop | -- | A separate name for a weight metric. |
98 | 2180829f | Iustin Pop | type Weight = Double |
99 | 2180829f | Iustin Pop | |
100 | 0dc1bf87 | Iustin Pop | -- | The Group UUID type. |
101 | c4d98278 | Iustin Pop | type GroupID = String |
102 | c4d98278 | Iustin Pop | |
103 | 0dc1bf87 | Iustin Pop | -- | The Group allocation policy type. |
104 | 73206d0a | Iustin Pop | -- |
105 | 73206d0a | Iustin Pop | -- Note that the order of constructors is important as the automatic |
106 | 73206d0a | Iustin Pop | -- Ord instance will order them in the order they are defined, so when |
107 | 73206d0a | Iustin Pop | -- changing this data type be careful about the interaction with the |
108 | 73206d0a | Iustin Pop | -- desired sorting order. |
109 | e9aaa3c6 | Iustin Pop | $(THH.declareSADT "AllocPolicy" |
110 | e9aaa3c6 | Iustin Pop | [ ("AllocPreferred", 'C.allocPolicyPreferred) |
111 | e9aaa3c6 | Iustin Pop | , ("AllocLastResort", 'C.allocPolicyLastResort) |
112 | e9aaa3c6 | Iustin Pop | , ("AllocUnallocable", 'C.allocPolicyUnallocable) |
113 | e9aaa3c6 | Iustin Pop | ]) |
114 | e9aaa3c6 | Iustin Pop | $(THH.makeJSONInstance ''AllocPolicy) |
115 | b2ba4669 | Iustin Pop | |
116 | 3771d104 | Agata Murawska | -- | The Instance real state type. |
117 | 3771d104 | Agata Murawska | $(THH.declareSADT "InstanceStatus" |
118 | 3771d104 | Agata Murawska | [ ("AdminDown", 'C.inststAdmindown) |
119 | 3771d104 | Agata Murawska | , ("AdminOffline", 'C.inststAdminoffline) |
120 | 3771d104 | Agata Murawska | , ("ErrorDown", 'C.inststErrordown) |
121 | 3771d104 | Agata Murawska | , ("ErrorUp", 'C.inststErrorup) |
122 | 3771d104 | Agata Murawska | , ("NodeDown", 'C.inststNodedown) |
123 | 3771d104 | Agata Murawska | , ("NodeOffline", 'C.inststNodeoffline) |
124 | 3771d104 | Agata Murawska | , ("Running", 'C.inststRunning) |
125 | 3771d104 | Agata Murawska | , ("WrongNode", 'C.inststWrongnode) |
126 | 3771d104 | Agata Murawska | ]) |
127 | 3771d104 | Agata Murawska | $(THH.makeJSONInstance ''InstanceStatus) |
128 | 3771d104 | Agata Murawska | |
129 | 1f9066c0 | Iustin Pop | -- | The resource spec type. |
130 | 1f9066c0 | Iustin Pop | data RSpec = RSpec |
131 | 1f9066c0 | Iustin Pop | { rspecCpu :: Int -- ^ Requested VCPUs |
132 | 1f9066c0 | Iustin Pop | , rspecMem :: Int -- ^ Requested memory |
133 | 1f9066c0 | Iustin Pop | , rspecDsk :: Int -- ^ Requested disk |
134 | 6bc39970 | Iustin Pop | } deriving (Show, Read, Eq) |
135 | 1f9066c0 | Iustin Pop | |
136 | 2180829f | Iustin Pop | -- | The dynamic resource specs of a machine (i.e. load or load |
137 | 2180829f | Iustin Pop | -- capacity, as opposed to size). |
138 | 2180829f | Iustin Pop | data DynUtil = DynUtil |
139 | 2180829f | Iustin Pop | { cpuWeight :: Weight -- ^ Standardised CPU usage |
140 | 2180829f | Iustin Pop | , memWeight :: Weight -- ^ Standardised memory load |
141 | c4ef235b | Iustin Pop | , dskWeight :: Weight -- ^ Standardised disk I\/O usage |
142 | 2180829f | Iustin Pop | , netWeight :: Weight -- ^ Standardised network usage |
143 | 6bc39970 | Iustin Pop | } deriving (Show, Read, Eq) |
144 | 2180829f | Iustin Pop | |
145 | 525bfb36 | Iustin Pop | -- | Initial empty utilisation. |
146 | 2180829f | Iustin Pop | zeroUtil :: DynUtil |
147 | 2180829f | Iustin Pop | zeroUtil = DynUtil { cpuWeight = 0, memWeight = 0 |
148 | 2180829f | Iustin Pop | , dskWeight = 0, netWeight = 0 } |
149 | 2180829f | Iustin Pop | |
150 | 525bfb36 | Iustin Pop | -- | Base utilisation (used when no actual utilisation data is |
151 | 525bfb36 | Iustin Pop | -- supplied). |
152 | ee9724b9 | Iustin Pop | baseUtil :: DynUtil |
153 | ee9724b9 | Iustin Pop | baseUtil = DynUtil { cpuWeight = 1, memWeight = 1 |
154 | ee9724b9 | Iustin Pop | , dskWeight = 1, netWeight = 1 } |
155 | ee9724b9 | Iustin Pop | |
156 | 525bfb36 | Iustin Pop | -- | Sum two utilisation records. |
157 | 2180829f | Iustin Pop | addUtil :: DynUtil -> DynUtil -> DynUtil |
158 | 2180829f | Iustin Pop | addUtil (DynUtil a1 a2 a3 a4) (DynUtil b1 b2 b3 b4) = |
159 | 2180829f | Iustin Pop | DynUtil (a1+b1) (a2+b2) (a3+b3) (a4+b4) |
160 | 2180829f | Iustin Pop | |
161 | 525bfb36 | Iustin Pop | -- | Substracts one utilisation record from another. |
162 | 2180829f | Iustin Pop | subUtil :: DynUtil -> DynUtil -> DynUtil |
163 | 2180829f | Iustin Pop | subUtil (DynUtil a1 a2 a3 a4) (DynUtil b1 b2 b3 b4) = |
164 | 2180829f | Iustin Pop | DynUtil (a1-b1) (a2-b2) (a3-b3) (a4-b4) |
165 | 2180829f | Iustin Pop | |
166 | 66dac8e0 | Iustin Pop | -- | The description of an instance placement. It contains the |
167 | 66dac8e0 | Iustin Pop | -- instance index, the new primary and secondary node, the move being |
168 | 66dac8e0 | Iustin Pop | -- performed and the score of the cluster after the move. |
169 | 66dac8e0 | Iustin Pop | type Placement = (Idx, Ndx, Ndx, IMove, Score) |
170 | 92e32d76 | Iustin Pop | |
171 | 525bfb36 | Iustin Pop | -- | An instance move definition. |
172 | 92e32d76 | Iustin Pop | data IMove = Failover -- ^ Failover the instance (f) |
173 | 92e32d76 | Iustin Pop | | ReplacePrimary Ndx -- ^ Replace primary (f, r:np, f) |
174 | 92e32d76 | Iustin Pop | | ReplaceSecondary Ndx -- ^ Replace secondary (r:ns) |
175 | 92e32d76 | Iustin Pop | | ReplaceAndFailover Ndx -- ^ Replace secondary, failover (r:np, f) |
176 | 92e32d76 | Iustin Pop | | FailoverAndReplace Ndx -- ^ Failover, replace secondary (f, r:ns) |
177 | 6bc39970 | Iustin Pop | deriving (Show, Read) |
178 | 92e32d76 | Iustin Pop | |
179 | 179c0828 | Iustin Pop | -- | Instance disk template type. |
180 | e9aaa3c6 | Iustin Pop | $(THH.declareSADT "DiskTemplate" |
181 | e9aaa3c6 | Iustin Pop | [ ("DTDiskless", 'C.dtDiskless) |
182 | e9aaa3c6 | Iustin Pop | , ("DTFile", 'C.dtFile) |
183 | e9aaa3c6 | Iustin Pop | , ("DTSharedFile", 'C.dtSharedFile) |
184 | e9aaa3c6 | Iustin Pop | , ("DTPlain", 'C.dtPlain) |
185 | e9aaa3c6 | Iustin Pop | , ("DTBlock", 'C.dtBlock) |
186 | e9aaa3c6 | Iustin Pop | , ("DTDrbd8", 'C.dtDrbd8) |
187 | e9aaa3c6 | Iustin Pop | ]) |
188 | e9aaa3c6 | Iustin Pop | $(THH.makeJSONInstance ''DiskTemplate) |
189 | cc25e437 | Iustin Pop | |
190 | 0e8ae201 | Iustin Pop | -- | Formatted solution output for one move (involved nodes and |
191 | 525bfb36 | Iustin Pop | -- commands. |
192 | 924f9c16 | Iustin Pop | type MoveJob = ([Ndx], Idx, IMove, [String]) |
193 | 0e8ae201 | Iustin Pop | |
194 | 525bfb36 | Iustin Pop | -- | Unknown field in table output. |
195 | 82ea2874 | Iustin Pop | unknownField :: String |
196 | 82ea2874 | Iustin Pop | unknownField = "<unknown field>" |
197 | 82ea2874 | Iustin Pop | |
198 | 525bfb36 | Iustin Pop | -- | A list of command elements. |
199 | 0e8ae201 | Iustin Pop | type JobSet = [MoveJob] |
200 | 0e8ae201 | Iustin Pop | |
201 | 135a6c6a | Iustin Pop | -- | Connection timeout (when using non-file methods). |
202 | 135a6c6a | Iustin Pop | connTimeout :: Int |
203 | 135a6c6a | Iustin Pop | connTimeout = 15 |
204 | 135a6c6a | Iustin Pop | |
205 | 135a6c6a | Iustin Pop | -- | The default timeout for queries (when using non-file methods). |
206 | 135a6c6a | Iustin Pop | queryTimeout :: Int |
207 | 135a6c6a | Iustin Pop | queryTimeout = 60 |
208 | 135a6c6a | Iustin Pop | |
209 | f4c0b8c5 | Iustin Pop | -- | Default vcpu-to-pcpu ratio (randomly chosen value). |
210 | f4c0b8c5 | Iustin Pop | defVcpuRatio :: Double |
211 | f4c0b8c5 | Iustin Pop | defVcpuRatio = 64 |
212 | f4c0b8c5 | Iustin Pop | |
213 | f4c0b8c5 | Iustin Pop | -- | Default max disk usage ratio. |
214 | f4c0b8c5 | Iustin Pop | defReservedDiskRatio :: Double |
215 | f4c0b8c5 | Iustin Pop | defReservedDiskRatio = 0 |
216 | f4c0b8c5 | Iustin Pop | |
217 | 1e3dccc8 | Iustin Pop | -- | Base memory unit. |
218 | 1e3dccc8 | Iustin Pop | unitMem :: Int |
219 | 1e3dccc8 | Iustin Pop | unitMem = 64 |
220 | 1e3dccc8 | Iustin Pop | |
221 | 1e3dccc8 | Iustin Pop | -- | Base disk unit. |
222 | 1e3dccc8 | Iustin Pop | unitDsk :: Int |
223 | 1e3dccc8 | Iustin Pop | unitDsk = 256 |
224 | 1e3dccc8 | Iustin Pop | |
225 | 1e3dccc8 | Iustin Pop | -- | Base vcpus unit. |
226 | 1e3dccc8 | Iustin Pop | unitCpu :: Int |
227 | 1e3dccc8 | Iustin Pop | unitCpu = 1 |
228 | 1e3dccc8 | Iustin Pop | |
229 | a30b473c | Iustin Pop | -- | This is similar to the JSON library Result type - /very/ similar, |
230 | a30b473c | Iustin Pop | -- but we want to use it in multiple places, so we abstract it into a |
231 | a30b473c | Iustin Pop | -- mini-library here. |
232 | a30b473c | Iustin Pop | -- |
233 | a30b473c | Iustin Pop | -- The failure value for this monad is simply a string. |
234 | e4c5beaf | Iustin Pop | data Result a |
235 | e4c5beaf | Iustin Pop | = Bad String |
236 | e4c5beaf | Iustin Pop | | Ok a |
237 | 1cb92fac | Iustin Pop | deriving (Show, Read, Eq) |
238 | e4c5beaf | Iustin Pop | |
239 | e4c5beaf | Iustin Pop | instance Monad Result where |
240 | e4c5beaf | Iustin Pop | (>>=) (Bad x) _ = Bad x |
241 | e4c5beaf | Iustin Pop | (>>=) (Ok x) fn = fn x |
242 | e4c5beaf | Iustin Pop | return = Ok |
243 | e4c5beaf | Iustin Pop | fail = Bad |
244 | 497e30a1 | Iustin Pop | |
245 | 1c7c4578 | Iustin Pop | instance MonadPlus Result where |
246 | 1c7c4578 | Iustin Pop | mzero = Bad "zero Result when used as MonadPlus" |
247 | 1c7c4578 | Iustin Pop | -- for mplus, when we 'add' two Bad values, we concatenate their |
248 | 1c7c4578 | Iustin Pop | -- error descriptions |
249 | 1c7c4578 | Iustin Pop | (Bad x) `mplus` (Bad y) = Bad (x ++ "; " ++ y) |
250 | 1c7c4578 | Iustin Pop | (Bad _) `mplus` x = x |
251 | 1c7c4578 | Iustin Pop | x@(Ok _) `mplus` _ = x |
252 | 1c7c4578 | Iustin Pop | |
253 | 525bfb36 | Iustin Pop | -- | Simple checker for whether a 'Result' is OK. |
254 | 06fb841e | Iustin Pop | isOk :: Result a -> Bool |
255 | 06fb841e | Iustin Pop | isOk (Ok _) = True |
256 | 06fb841e | Iustin Pop | isOk _ = False |
257 | 06fb841e | Iustin Pop | |
258 | 525bfb36 | Iustin Pop | -- | Simple checker for whether a 'Result' is a failure. |
259 | 06fb841e | Iustin Pop | isBad :: Result a -> Bool |
260 | 06fb841e | Iustin Pop | isBad = not . isOk |
261 | 06fb841e | Iustin Pop | |
262 | 179c0828 | Iustin Pop | -- | Converter from Either String to 'Result'. |
263 | a30b473c | Iustin Pop | eitherToResult :: Either String a -> Result a |
264 | a30b473c | Iustin Pop | eitherToResult (Left s) = Bad s |
265 | a30b473c | Iustin Pop | eitherToResult (Right v) = Ok v |
266 | a30b473c | Iustin Pop | |
267 | 525bfb36 | Iustin Pop | -- | Reason for an operation's falure. |
268 | f2280553 | Iustin Pop | data FailMode = FailMem -- ^ Failed due to not enough RAM |
269 | f2280553 | Iustin Pop | | FailDisk -- ^ Failed due to not enough disk |
270 | f2280553 | Iustin Pop | | FailCPU -- ^ Failed due to not enough CPU capacity |
271 | f2280553 | Iustin Pop | | FailN1 -- ^ Failed due to not passing N1 checks |
272 | 5f0b9579 | Iustin Pop | | FailTags -- ^ Failed due to tag exclusion |
273 | 6bc39970 | Iustin Pop | deriving (Eq, Enum, Bounded, Show, Read) |
274 | f2280553 | Iustin Pop | |
275 | 525bfb36 | Iustin Pop | -- | List with failure statistics. |
276 | 478df686 | Iustin Pop | type FailStats = [(FailMode, Int)] |
277 | 478df686 | Iustin Pop | |
278 | 525bfb36 | Iustin Pop | -- | Either-like data-type customized for our failure modes. |
279 | a30b473c | Iustin Pop | -- |
280 | a30b473c | Iustin Pop | -- The failure values for this monad track the specific allocation |
281 | a30b473c | Iustin Pop | -- failures, so this is not a general error-monad (compare with the |
282 | a30b473c | Iustin Pop | -- 'Result' data type). One downside is that this type cannot encode a |
283 | a30b473c | Iustin Pop | -- generic failure mode, hence 'fail' for this monad is not defined |
284 | a30b473c | Iustin Pop | -- and will cause an exception. |
285 | f2280553 | Iustin Pop | data OpResult a = OpFail FailMode -- ^ Failed operation |
286 | f2280553 | Iustin Pop | | OpGood a -- ^ Success operation |
287 | 6bc39970 | Iustin Pop | deriving (Show, Read) |
288 | f2280553 | Iustin Pop | |
289 | f2280553 | Iustin Pop | instance Monad OpResult where |
290 | f2280553 | Iustin Pop | (OpGood x) >>= fn = fn x |
291 | f2280553 | Iustin Pop | (OpFail y) >>= _ = OpFail y |
292 | f2280553 | Iustin Pop | return = OpGood |
293 | f2280553 | Iustin Pop | |
294 | a30b473c | Iustin Pop | -- | Conversion from 'OpResult' to 'Result'. |
295 | a30b473c | Iustin Pop | opToResult :: OpResult a -> Result a |
296 | a30b473c | Iustin Pop | opToResult (OpFail f) = Bad $ show f |
297 | a30b473c | Iustin Pop | opToResult (OpGood v) = Ok v |
298 | a30b473c | Iustin Pop | |
299 | 9188aeef | Iustin Pop | -- | A generic class for items that have updateable names and indices. |
300 | 497e30a1 | Iustin Pop | class Element a where |
301 | 9188aeef | Iustin Pop | -- | Returns the name of the element |
302 | 262a08a2 | Iustin Pop | nameOf :: a -> String |
303 | c854092b | Iustin Pop | -- | Returns all the known names of the element |
304 | c854092b | Iustin Pop | allNames :: a -> [String] |
305 | 9188aeef | Iustin Pop | -- | Returns the index of the element |
306 | 262a08a2 | Iustin Pop | idxOf :: a -> Int |
307 | 3e4480e0 | Iustin Pop | -- | Updates the alias of the element |
308 | 3e4480e0 | Iustin Pop | setAlias :: a -> String -> a |
309 | 3e4480e0 | Iustin Pop | -- | Compute the alias by stripping a given suffix (domain) from |
310 | 525bfb36 | Iustin Pop | -- the name |
311 | 3e4480e0 | Iustin Pop | computeAlias :: String -> a -> a |
312 | 3e4480e0 | Iustin Pop | computeAlias dom e = setAlias e alias |
313 | 3e4480e0 | Iustin Pop | where alias = take (length name - length dom) name |
314 | 3e4480e0 | Iustin Pop | name = nameOf e |
315 | 9188aeef | Iustin Pop | -- | Updates the index of the element |
316 | 497e30a1 | Iustin Pop | setIdx :: a -> Int -> a |
317 | 1fe412bb | Iustin Pop | |
318 | 1fe412bb | Iustin Pop | -- | The iallocator node-evacuate evac_mode type. |
319 | e9aaa3c6 | Iustin Pop | $(THH.declareSADT "EvacMode" |
320 | e9aaa3c6 | Iustin Pop | [ ("ChangePrimary", 'C.iallocatorNevacPri) |
321 | e9aaa3c6 | Iustin Pop | , ("ChangeSecondary", 'C.iallocatorNevacSec) |
322 | e9aaa3c6 | Iustin Pop | , ("ChangeAll", 'C.iallocatorNevacAll) |
323 | e9aaa3c6 | Iustin Pop | ]) |
324 | e9aaa3c6 | Iustin Pop | $(THH.makeJSONInstance ''EvacMode) |