root / htools / Ganeti / HTools / Loader.hs @ ce6a0b53
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1 | 525bfb36 | Iustin Pop | {-| Generic data loader. |
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2 | 040afc35 | Iustin Pop | |
3 | e8f89bb6 | Iustin Pop | This module holds the common code for parsing the input data after it |
4 | e8f89bb6 | Iustin Pop | has been loaded from external sources. |
5 | 040afc35 | Iustin Pop | |
6 | 040afc35 | Iustin Pop | -} |
7 | 040afc35 | Iustin Pop | |
8 | e2fa2baf | Iustin Pop | {- |
9 | e2fa2baf | Iustin Pop | |
10 | 2a8e2dc9 | Iustin Pop | Copyright (C) 2009, 2010, 2011 Google Inc. |
11 | e2fa2baf | Iustin Pop | |
12 | e2fa2baf | Iustin Pop | This program is free software; you can redistribute it and/or modify |
13 | e2fa2baf | Iustin Pop | it under the terms of the GNU General Public License as published by |
14 | e2fa2baf | Iustin Pop | the Free Software Foundation; either version 2 of the License, or |
15 | e2fa2baf | Iustin Pop | (at your option) any later version. |
16 | e2fa2baf | Iustin Pop | |
17 | e2fa2baf | Iustin Pop | This program is distributed in the hope that it will be useful, but |
18 | e2fa2baf | Iustin Pop | WITHOUT ANY WARRANTY; without even the implied warranty of |
19 | e2fa2baf | Iustin Pop | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
20 | e2fa2baf | Iustin Pop | General Public License for more details. |
21 | e2fa2baf | Iustin Pop | |
22 | e2fa2baf | Iustin Pop | You should have received a copy of the GNU General Public License |
23 | e2fa2baf | Iustin Pop | along with this program; if not, write to the Free Software |
24 | e2fa2baf | Iustin Pop | Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
25 | e2fa2baf | Iustin Pop | 02110-1301, USA. |
26 | e2fa2baf | Iustin Pop | |
27 | e2fa2baf | Iustin Pop | -} |
28 | e2fa2baf | Iustin Pop | |
29 | 040afc35 | Iustin Pop | module Ganeti.HTools.Loader |
30 | 446d8827 | Iustin Pop | ( mergeData |
31 | 446d8827 | Iustin Pop | , checkData |
32 | 446d8827 | Iustin Pop | , assignIndices |
33 | 446d8827 | Iustin Pop | , lookupNode |
34 | 5a1edeb6 | Iustin Pop | , lookupInstance |
35 | f4531f51 | Iustin Pop | , lookupGroup |
36 | 3e4480e0 | Iustin Pop | , commonSuffix |
37 | 19f38ee8 | Iustin Pop | , RqType(..) |
38 | 19f38ee8 | Iustin Pop | , Request(..) |
39 | 7b6e99b3 | Iustin Pop | , ClusterData(..) |
40 | 7b6e99b3 | Iustin Pop | , emptyCluster |
41 | efe98965 | Guido Trotter | , compareNameComponent |
42 | efe98965 | Guido Trotter | , prefixMatch |
43 | efe98965 | Guido Trotter | , LookupResult(..) |
44 | efe98965 | Guido Trotter | , MatchPriority(..) |
45 | 446d8827 | Iustin Pop | ) where |
46 | 040afc35 | Iustin Pop | |
47 | e4c5beaf | Iustin Pop | import Data.List |
48 | efe98965 | Guido Trotter | import Data.Function |
49 | 2d0ca2c5 | Iustin Pop | import qualified Data.Map as M |
50 | 446d8827 | Iustin Pop | import Text.Printf (printf) |
51 | e4c5beaf | Iustin Pop | |
52 | e4c5beaf | Iustin Pop | import qualified Ganeti.HTools.Container as Container |
53 | e4c5beaf | Iustin Pop | import qualified Ganeti.HTools.Instance as Instance |
54 | e4c5beaf | Iustin Pop | import qualified Ganeti.HTools.Node as Node |
55 | a679e9dc | Iustin Pop | import qualified Ganeti.HTools.Group as Group |
56 | e4c5beaf | Iustin Pop | |
57 | e4c5beaf | Iustin Pop | import Ganeti.HTools.Types |
58 | efe98965 | Guido Trotter | import Ganeti.HTools.Utils |
59 | e4c5beaf | Iustin Pop | |
60 | f5e67f55 | Iustin Pop | -- * Constants |
61 | f5e67f55 | Iustin Pop | |
62 | 525bfb36 | Iustin Pop | -- | The exclusion tag prefix. |
63 | f5e67f55 | Iustin Pop | exTagsPrefix :: String |
64 | f5e67f55 | Iustin Pop | exTagsPrefix = "htools:iextags:" |
65 | f5e67f55 | Iustin Pop | |
66 | 19f38ee8 | Iustin Pop | -- * Types |
67 | 19f38ee8 | Iustin Pop | |
68 | 54365762 | Iustin Pop | {-| The iallocator request type. |
69 | 19f38ee8 | Iustin Pop | |
70 | 19f38ee8 | Iustin Pop | This type denotes what request we got from Ganeti and also holds |
71 | 19f38ee8 | Iustin Pop | request-specific fields. |
72 | 19f38ee8 | Iustin Pop | |
73 | 19f38ee8 | Iustin Pop | -} |
74 | 19f38ee8 | Iustin Pop | data RqType |
75 | 19f38ee8 | Iustin Pop | = Allocate Instance.Instance Int -- ^ A new instance allocation |
76 | 19f38ee8 | Iustin Pop | | Relocate Idx Int [Ndx] -- ^ Move an instance to a new |
77 | 19f38ee8 | Iustin Pop | -- secondary node |
78 | 54365762 | Iustin Pop | | Evacuate [Ndx] -- ^ Evacuate nodes |
79 | 57f07ff2 | Iustin Pop | | ChangeGroup [Gdx] [Idx] -- ^ Multi-relocate mode |
80 | 1fe412bb | Iustin Pop | | NodeEvacuate [Idx] EvacMode -- ^ node-evacuate mode |
81 | 6bc39970 | Iustin Pop | deriving (Show, Read) |
82 | 19f38ee8 | Iustin Pop | |
83 | 19f38ee8 | Iustin Pop | -- | A complete request, as received from Ganeti. |
84 | 34c00528 | Iustin Pop | data Request = Request RqType ClusterData |
85 | 6bc39970 | Iustin Pop | deriving (Show, Read) |
86 | 19f38ee8 | Iustin Pop | |
87 | 7b6e99b3 | Iustin Pop | -- | The cluster state. |
88 | 7b6e99b3 | Iustin Pop | data ClusterData = ClusterData |
89 | 7b6e99b3 | Iustin Pop | { cdGroups :: Group.List -- ^ The node group list |
90 | 7b6e99b3 | Iustin Pop | , cdNodes :: Node.List -- ^ The node list |
91 | 7b6e99b3 | Iustin Pop | , cdInstances :: Instance.List -- ^ The instance list |
92 | 7b6e99b3 | Iustin Pop | , cdTags :: [String] -- ^ The cluster tags |
93 | 6bc39970 | Iustin Pop | } deriving (Show, Read) |
94 | 7b6e99b3 | Iustin Pop | |
95 | efe98965 | Guido Trotter | -- | The priority of a match in a lookup result. |
96 | efe98965 | Guido Trotter | data MatchPriority = ExactMatch |
97 | efe98965 | Guido Trotter | | MultipleMatch |
98 | efe98965 | Guido Trotter | | PartialMatch |
99 | efe98965 | Guido Trotter | | FailMatch |
100 | efe98965 | Guido Trotter | deriving (Show, Read, Enum, Eq, Ord) |
101 | efe98965 | Guido Trotter | |
102 | efe98965 | Guido Trotter | -- | The result of a name lookup in a list. |
103 | efe98965 | Guido Trotter | data LookupResult = LookupResult |
104 | efe98965 | Guido Trotter | { lrMatchPriority :: MatchPriority -- ^ The result type |
105 | efe98965 | Guido Trotter | -- | Matching value (for ExactMatch, PartialMatch), Lookup string otherwise |
106 | efe98965 | Guido Trotter | , lrContent :: String |
107 | efe98965 | Guido Trotter | } deriving (Show, Read) |
108 | efe98965 | Guido Trotter | |
109 | efe98965 | Guido Trotter | -- | Lookup results have an absolute preference ordering. |
110 | efe98965 | Guido Trotter | instance Eq LookupResult where |
111 | efe98965 | Guido Trotter | (==) = (==) `on` lrMatchPriority |
112 | efe98965 | Guido Trotter | |
113 | efe98965 | Guido Trotter | instance Ord LookupResult where |
114 | efe98965 | Guido Trotter | compare = compare `on` lrMatchPriority |
115 | efe98965 | Guido Trotter | |
116 | 7b6e99b3 | Iustin Pop | -- | An empty cluster. |
117 | 7b6e99b3 | Iustin Pop | emptyCluster :: ClusterData |
118 | 7b6e99b3 | Iustin Pop | emptyCluster = ClusterData Container.empty Container.empty Container.empty [] |
119 | 7b6e99b3 | Iustin Pop | |
120 | 19f38ee8 | Iustin Pop | -- * Functions |
121 | 19f38ee8 | Iustin Pop | |
122 | 9188aeef | Iustin Pop | -- | Lookups a node into an assoc list. |
123 | 6ff78049 | Iustin Pop | lookupNode :: (Monad m) => NameAssoc -> String -> String -> m Ndx |
124 | 040afc35 | Iustin Pop | lookupNode ktn inst node = |
125 | 2d0ca2c5 | Iustin Pop | case M.lookup node ktn of |
126 | 040afc35 | Iustin Pop | Nothing -> fail $ "Unknown node '" ++ node ++ "' for instance " ++ inst |
127 | 040afc35 | Iustin Pop | Just idx -> return idx |
128 | 040afc35 | Iustin Pop | |
129 | 9188aeef | Iustin Pop | -- | Lookups an instance into an assoc list. |
130 | 6ff78049 | Iustin Pop | lookupInstance :: (Monad m) => NameAssoc -> String -> m Idx |
131 | 5a1edeb6 | Iustin Pop | lookupInstance kti inst = |
132 | 2d0ca2c5 | Iustin Pop | case M.lookup inst kti of |
133 | 5a1edeb6 | Iustin Pop | Nothing -> fail $ "Unknown instance '" ++ inst ++ "'" |
134 | 5a1edeb6 | Iustin Pop | Just idx -> return idx |
135 | 5a1edeb6 | Iustin Pop | |
136 | f4531f51 | Iustin Pop | -- | Lookups a group into an assoc list. |
137 | f4531f51 | Iustin Pop | lookupGroup :: (Monad m) => NameAssoc -> String -> String -> m Gdx |
138 | f4531f51 | Iustin Pop | lookupGroup ktg nname gname = |
139 | f4531f51 | Iustin Pop | case M.lookup gname ktg of |
140 | f4531f51 | Iustin Pop | Nothing -> fail $ "Unknown group '" ++ gname ++ "' for node " ++ nname |
141 | f4531f51 | Iustin Pop | Just idx -> return idx |
142 | f4531f51 | Iustin Pop | |
143 | efe98965 | Guido Trotter | -- | Check for prefix matches in names. |
144 | efe98965 | Guido Trotter | -- Implemented in Ganeti core utils.text.MatchNameComponent |
145 | efe98965 | Guido Trotter | -- as the regexp r"^%s(\..*)?$" % re.escape(key) |
146 | efe98965 | Guido Trotter | prefixMatch :: String -- ^ Lookup |
147 | efe98965 | Guido Trotter | -> String -- ^ Full name |
148 | efe98965 | Guido Trotter | -> Bool -- ^ Whether there is a prefix match |
149 | efe98965 | Guido Trotter | prefixMatch lkp = isPrefixOf (lkp ++ ".") |
150 | efe98965 | Guido Trotter | |
151 | efe98965 | Guido Trotter | -- | Is the lookup priority a "good" one? |
152 | efe98965 | Guido Trotter | goodMatchPriority :: MatchPriority -> Bool |
153 | efe98965 | Guido Trotter | goodMatchPriority ExactMatch = True |
154 | efe98965 | Guido Trotter | goodMatchPriority PartialMatch = True |
155 | efe98965 | Guido Trotter | goodMatchPriority _ = False |
156 | efe98965 | Guido Trotter | |
157 | efe98965 | Guido Trotter | -- | Is the lookup result an actual match? |
158 | efe98965 | Guido Trotter | goodLookupResult :: LookupResult -> Bool |
159 | efe98965 | Guido Trotter | goodLookupResult = goodMatchPriority . lrMatchPriority |
160 | efe98965 | Guido Trotter | |
161 | efe98965 | Guido Trotter | -- | Compares a canonical name and a lookup string. |
162 | efe98965 | Guido Trotter | compareNameComponent :: String -- ^ Canonical (target) name |
163 | efe98965 | Guido Trotter | -> String -- ^ Partial (lookup) name |
164 | efe98965 | Guido Trotter | -> LookupResult -- ^ Result of the lookup |
165 | efe98965 | Guido Trotter | compareNameComponent cnl lkp = |
166 | efe98965 | Guido Trotter | select (LookupResult FailMatch lkp) |
167 | efe98965 | Guido Trotter | [ (cnl == lkp , LookupResult ExactMatch cnl) |
168 | efe98965 | Guido Trotter | , (prefixMatch lkp cnl , LookupResult PartialMatch cnl) |
169 | efe98965 | Guido Trotter | ] |
170 | efe98965 | Guido Trotter | |
171 | efe98965 | Guido Trotter | -- | Lookup a string and choose the best result. |
172 | efe98965 | Guido Trotter | chooseLookupResult :: String -- ^ Lookup key |
173 | efe98965 | Guido Trotter | -> String -- ^ String to compare to the lookup key |
174 | efe98965 | Guido Trotter | -> LookupResult -- ^ Previous result |
175 | efe98965 | Guido Trotter | -> LookupResult -- ^ New result |
176 | efe98965 | Guido Trotter | chooseLookupResult lkp cstr old = |
177 | efe98965 | Guido Trotter | -- default: use class order to pick the minimum result |
178 | efe98965 | Guido Trotter | select (min new old) |
179 | efe98965 | Guido Trotter | -- special cases: |
180 | efe98965 | Guido Trotter | -- short circuit if the new result is an exact match |
181 | efe98965 | Guido Trotter | [ ((lrMatchPriority new) == ExactMatch, new) |
182 | efe98965 | Guido Trotter | -- if both are partial matches generate a multiple match |
183 | efe98965 | Guido Trotter | , (partial2, LookupResult MultipleMatch lkp) |
184 | efe98965 | Guido Trotter | ] where new = compareNameComponent cstr lkp |
185 | efe98965 | Guido Trotter | partial2 = all ((PartialMatch==) . lrMatchPriority) [old, new] |
186 | efe98965 | Guido Trotter | |
187 | efe98965 | Guido Trotter | -- | Find the canonical name for a lookup string in a list of names. |
188 | efe98965 | Guido Trotter | lookupName :: [String] -- ^ List of keys |
189 | efe98965 | Guido Trotter | -> String -- ^ Lookup string |
190 | efe98965 | Guido Trotter | -> LookupResult -- ^ Result of the lookup |
191 | efe98965 | Guido Trotter | lookupName l s = foldr (chooseLookupResult s) |
192 | efe98965 | Guido Trotter | (LookupResult FailMatch s) l |
193 | efe98965 | Guido Trotter | |
194 | 9188aeef | Iustin Pop | -- | Given a list of elements (and their names), assign indices to them. |
195 | 497e30a1 | Iustin Pop | assignIndices :: (Element a) => |
196 | 497e30a1 | Iustin Pop | [(String, a)] |
197 | 99b63608 | Iustin Pop | -> (NameAssoc, Container.Container a) |
198 | 2d0ca2c5 | Iustin Pop | assignIndices nodes = |
199 | 2d0ca2c5 | Iustin Pop | let (na, idx_node) = |
200 | 2d0ca2c5 | Iustin Pop | unzip . map (\ (idx, (k, v)) -> ((k, idx), (idx, setIdx v idx))) |
201 | 2d0ca2c5 | Iustin Pop | . zip [0..] $ nodes |
202 | cb0c77ff | Iustin Pop | in (M.fromList na, Container.fromList idx_node) |
203 | 78694255 | Iustin Pop | |
204 | 9188aeef | Iustin Pop | -- | For each instance, add its index to its primary and secondary nodes. |
205 | 99b63608 | Iustin Pop | fixNodes :: Node.List |
206 | aa8d2e71 | Iustin Pop | -> Instance.Instance |
207 | 99b63608 | Iustin Pop | -> Node.List |
208 | aa8d2e71 | Iustin Pop | fixNodes accu inst = |
209 | d71d0a1d | Iustin Pop | let |
210 | 2060348b | Iustin Pop | pdx = Instance.pNode inst |
211 | 2060348b | Iustin Pop | sdx = Instance.sNode inst |
212 | 99b63608 | Iustin Pop | pold = Container.find pdx accu |
213 | a488a217 | Iustin Pop | pnew = Node.setPri pold inst |
214 | 99b63608 | Iustin Pop | ac2 = Container.add pdx pnew accu |
215 | d71d0a1d | Iustin Pop | in |
216 | d71d0a1d | Iustin Pop | if sdx /= Node.noSecondary |
217 | 99b63608 | Iustin Pop | then let sold = Container.find sdx accu |
218 | a488a217 | Iustin Pop | snew = Node.setSec sold inst |
219 | 99b63608 | Iustin Pop | in Container.add sdx snew ac2 |
220 | d71d0a1d | Iustin Pop | else ac2 |
221 | e4c5beaf | Iustin Pop | |
222 | 525bfb36 | Iustin Pop | -- | Remove non-selected tags from the exclusion list. |
223 | 0f15cc76 | Iustin Pop | filterExTags :: [String] -> Instance.Instance -> Instance.Instance |
224 | 0f15cc76 | Iustin Pop | filterExTags tl inst = |
225 | 0f15cc76 | Iustin Pop | let old_tags = Instance.tags inst |
226 | 5182e970 | Iustin Pop | new_tags = filter (\tag -> any (`isPrefixOf` tag) tl) |
227 | 0f15cc76 | Iustin Pop | old_tags |
228 | 0f15cc76 | Iustin Pop | in inst { Instance.tags = new_tags } |
229 | 0f15cc76 | Iustin Pop | |
230 | 525bfb36 | Iustin Pop | -- | Update the movable attribute. |
231 | c6ccc073 | Guido Trotter | updateMovable :: [String] -- ^ Selected instances (if not empty) |
232 | c6ccc073 | Guido Trotter | -> [String] -- ^ Excluded instances |
233 | c6ccc073 | Guido Trotter | -> Instance.Instance -- ^ Target Instance |
234 | c6ccc073 | Guido Trotter | -> Instance.Instance -- ^ Target Instance with updated attribute |
235 | c6ccc073 | Guido Trotter | updateMovable selinsts exinsts inst = |
236 | 39f979b8 | Iustin Pop | if Instance.sNode inst == Node.noSecondary || |
237 | c6ccc073 | Guido Trotter | Instance.name inst `elem` exinsts || |
238 | c6ccc073 | Guido Trotter | not (null selinsts || Instance.name inst `elem` selinsts) |
239 | 39f979b8 | Iustin Pop | then Instance.setMovable inst False |
240 | 39f979b8 | Iustin Pop | else inst |
241 | 39f979b8 | Iustin Pop | |
242 | f9fc7a63 | Iustin Pop | -- | Compute the longest common suffix of a list of strings that |
243 | 525bfb36 | Iustin Pop | -- starts with a dot. |
244 | 8472a321 | Iustin Pop | longestDomain :: [String] -> String |
245 | e4c5beaf | Iustin Pop | longestDomain [] = "" |
246 | 8472a321 | Iustin Pop | longestDomain (x:xs) = |
247 | 8472a321 | Iustin Pop | foldr (\ suffix accu -> if all (isSuffixOf suffix) xs |
248 | e4c5beaf | Iustin Pop | then suffix |
249 | e4c5beaf | Iustin Pop | else accu) |
250 | e4c5beaf | Iustin Pop | "" $ filter (isPrefixOf ".") (tails x) |
251 | e4c5beaf | Iustin Pop | |
252 | 525bfb36 | Iustin Pop | -- | Extracts the exclusion tags from the cluster configuration. |
253 | f5e67f55 | Iustin Pop | extractExTags :: [String] -> [String] |
254 | f5e67f55 | Iustin Pop | extractExTags = |
255 | f5e67f55 | Iustin Pop | map (drop (length exTagsPrefix)) . |
256 | f5e67f55 | Iustin Pop | filter (isPrefixOf exTagsPrefix) |
257 | f5e67f55 | Iustin Pop | |
258 | 525bfb36 | Iustin Pop | -- | Extracts the common suffix from node\/instance names. |
259 | 3e4480e0 | Iustin Pop | commonSuffix :: Node.List -> Instance.List -> String |
260 | 3e4480e0 | Iustin Pop | commonSuffix nl il = |
261 | 3e4480e0 | Iustin Pop | let node_names = map Node.name $ Container.elems nl |
262 | 3e4480e0 | Iustin Pop | inst_names = map Instance.name $ Container.elems il |
263 | 3e4480e0 | Iustin Pop | in longestDomain (node_names ++ inst_names) |
264 | 3e4480e0 | Iustin Pop | |
265 | 9188aeef | Iustin Pop | -- | Initializer function that loads the data from a node and instance |
266 | 9188aeef | Iustin Pop | -- list and massages it into the correct format. |
267 | aa8d2e71 | Iustin Pop | mergeData :: [(String, DynUtil)] -- ^ Instance utilisation data |
268 | 0f15cc76 | Iustin Pop | -> [String] -- ^ Exclusion tags |
269 | 2d1708e0 | Guido Trotter | -> [String] -- ^ Selected instances (if not empty) |
270 | 2d1708e0 | Guido Trotter | -> [String] -- ^ Excluded instances |
271 | f4f6eb0b | Iustin Pop | -> ClusterData -- ^ Data from backends |
272 | c0e31451 | Iustin Pop | -> Result ClusterData -- ^ Fixed cluster data |
273 | 2d1708e0 | Guido Trotter | mergeData um extags selinsts exinsts cdata@(ClusterData _ nl il2 tags) = |
274 | 99b63608 | Iustin Pop | let il = Container.elems il2 |
275 | a5f8dcdc | Iustin Pop | il3 = foldl' (\im (name, n_util) -> |
276 | a5f8dcdc | Iustin Pop | case Container.findByName im name of |
277 | a5f8dcdc | Iustin Pop | Nothing -> im -- skipping unknown instance |
278 | a5f8dcdc | Iustin Pop | Just inst -> |
279 | a5f8dcdc | Iustin Pop | let new_i = inst { Instance.util = n_util } |
280 | a5f8dcdc | Iustin Pop | in Container.add (Instance.idx inst) new_i im |
281 | a5f8dcdc | Iustin Pop | ) il2 um |
282 | f5e67f55 | Iustin Pop | allextags = extags ++ extractExTags tags |
283 | 424ec11d | Guido Trotter | inst_names = map Instance.name il |
284 | 424ec11d | Guido Trotter | selinst_lkp = map (lookupName inst_names) selinsts |
285 | 424ec11d | Guido Trotter | exinst_lkp = map (lookupName inst_names) exinsts |
286 | 424ec11d | Guido Trotter | lkp_unknown = filter (not . goodLookupResult) (selinst_lkp ++ exinst_lkp) |
287 | 424ec11d | Guido Trotter | selinst_names = map lrContent selinst_lkp |
288 | 424ec11d | Guido Trotter | exinst_names = map lrContent exinst_lkp |
289 | 39f979b8 | Iustin Pop | il4 = Container.map (filterExTags allextags . |
290 | 424ec11d | Guido Trotter | updateMovable selinst_names exinst_names) il3 |
291 | 0f15cc76 | Iustin Pop | nl2 = foldl' fixNodes nl (Container.elems il4) |
292 | 2a8e2dc9 | Iustin Pop | nl3 = Container.map (flip Node.buildPeers il4) nl2 |
293 | 99b63608 | Iustin Pop | node_names = map Node.name (Container.elems nl) |
294 | 8472a321 | Iustin Pop | common_suffix = longestDomain (node_names ++ inst_names) |
295 | 3e4480e0 | Iustin Pop | snl = Container.map (computeAlias common_suffix) nl3 |
296 | 3e4480e0 | Iustin Pop | sil = Container.map (computeAlias common_suffix) il4 |
297 | 424ec11d | Guido Trotter | in if' (null lkp_unknown) |
298 | 424ec11d | Guido Trotter | (Ok cdata { cdNodes = snl, cdInstances = sil }) |
299 | 424ec11d | Guido Trotter | (Bad $ "Unknown instance(s): " ++ show(map lrContent lkp_unknown)) |
300 | 446d8827 | Iustin Pop | |
301 | 9188aeef | Iustin Pop | -- | Checks the cluster data for consistency. |
302 | 262a08a2 | Iustin Pop | checkData :: Node.List -> Instance.List |
303 | 262a08a2 | Iustin Pop | -> ([String], Node.List) |
304 | dbd6700b | Iustin Pop | checkData nl il = |
305 | 446d8827 | Iustin Pop | Container.mapAccum |
306 | 446d8827 | Iustin Pop | (\ msgs node -> |
307 | dbd6700b | Iustin Pop | let nname = Node.name node |
308 | 5182e970 | Iustin Pop | nilst = map (`Container.find` il) (Node.pList node) |
309 | 446d8827 | Iustin Pop | dilst = filter (not . Instance.running) nilst |
310 | 446d8827 | Iustin Pop | adj_mem = sum . map Instance.mem $ dilst |
311 | 2060348b | Iustin Pop | delta_mem = truncate (Node.tMem node) |
312 | 2060348b | Iustin Pop | - Node.nMem node |
313 | 2060348b | Iustin Pop | - Node.fMem node |
314 | 9f6dcdea | Iustin Pop | - nodeImem node il |
315 | 446d8827 | Iustin Pop | + adj_mem |
316 | 2060348b | Iustin Pop | delta_dsk = truncate (Node.tDsk node) |
317 | 2060348b | Iustin Pop | - Node.fDsk node |
318 | 9f6dcdea | Iustin Pop | - nodeIdsk node il |
319 | 446d8827 | Iustin Pop | newn = Node.setFmem (Node.setXmem node delta_mem) |
320 | 2060348b | Iustin Pop | (Node.fMem node - adj_mem) |
321 | 9f6dcdea | Iustin Pop | umsg1 = [printf "node %s is missing %d MB ram \ |
322 | 9f6dcdea | Iustin Pop | \and %d GB disk" |
323 | 9f6dcdea | Iustin Pop | nname delta_mem (delta_dsk `div` 1024) | |
324 | 9f6dcdea | Iustin Pop | delta_mem > 512 || delta_dsk > 1024]::[String] |
325 | 446d8827 | Iustin Pop | in (msgs ++ umsg1, newn) |
326 | 446d8827 | Iustin Pop | ) [] nl |
327 | 446d8827 | Iustin Pop | |
328 | 446d8827 | Iustin Pop | -- | Compute the amount of memory used by primary instances on a node. |
329 | 262a08a2 | Iustin Pop | nodeImem :: Node.Node -> Instance.List -> Int |
330 | 446d8827 | Iustin Pop | nodeImem node il = |
331 | 9f6dcdea | Iustin Pop | let rfind = flip Container.find il |
332 | 9f6dcdea | Iustin Pop | in sum . map (Instance.mem . rfind) |
333 | 2060348b | Iustin Pop | $ Node.pList node |
334 | 446d8827 | Iustin Pop | |
335 | 446d8827 | Iustin Pop | -- | Compute the amount of disk used by instances on a node (either primary |
336 | 446d8827 | Iustin Pop | -- or secondary). |
337 | 262a08a2 | Iustin Pop | nodeIdsk :: Node.Node -> Instance.List -> Int |
338 | 446d8827 | Iustin Pop | nodeIdsk node il = |
339 | 9f6dcdea | Iustin Pop | let rfind = flip Container.find il |
340 | 9f6dcdea | Iustin Pop | in sum . map (Instance.dsk . rfind) |
341 | 2060348b | Iustin Pop | $ Node.pList node ++ Node.sList node |