-}
-module Ganeti.HTools.Program.Hspace (main, options) where
+module Ganeti.HTools.Program.Hspace
+ (main
+ , options
+ , arguments
+ ) where
import Control.Monad
-import Data.Char (toUpper, isAlphaNum, toLower)
+import Data.Char (toUpper, toLower)
import Data.Function (on)
import Data.List
import Data.Maybe (fromMaybe)
import Data.Ord (comparing)
-import System.Exit
import System.IO
import Text.Printf (printf, hPrintf)
import qualified Ganeti.HTools.Node as Node
import qualified Ganeti.HTools.Instance as Instance
-import Ganeti.HTools.Utils
+import Ganeti.BasicTypes
+import Ganeti.Common
import Ganeti.HTools.Types
import Ganeti.HTools.CLI
import Ganeti.HTools.ExtLoader
import Ganeti.HTools.Loader
+import Ganeti.Utils
-- | Options list and functions.
-options :: [OptType]
-options =
- [ oPrintNodes
- , oDataFile
- , oDiskTemplate
- , oSpindleUse
- , oNodeSim
- , oRapiMaster
- , oLuxiSocket
- , oIAllocSrc
- , oVerbose
- , oQuiet
- , oOfflineNode
- , oMachineReadable
- , oMaxCpu
- , oMaxSolLength
- , oMinDisk
- , oStdSpec
- , oTieredSpec
- , oSaveCluster
- , oShowVer
- , oShowHelp
- ]
+options :: IO [OptType]
+options = do
+ luxi <- oLuxiSocket
+ return
+ [ oPrintNodes
+ , oDataFile
+ , oDiskTemplate
+ , oSpindleUse
+ , oNodeSim
+ , oRapiMaster
+ , luxi
+ , oIAllocSrc
+ , oVerbose
+ , oQuiet
+ , oOfflineNode
+ , oMachineReadable
+ , oMaxCpu
+ , oMaxSolLength
+ , oMinDisk
+ , oStdSpec
+ , oTieredSpec
+ , oSaveCluster
+ ]
+
+-- | The list of arguments supported by the program.
+arguments :: [ArgCompletion]
+arguments = []
-- | The allocation phase we're in (initial, after tiered allocs, or
-- after regular allocation).
data SpecType = SpecNormal
| SpecTiered
+-- | Prefix for machine readable names
+htsPrefix :: String
+htsPrefix = "HTS"
+
-- | What we prefix a spec with.
specPrefix :: SpecType -> String
specPrefix SpecNormal = "SPEC"
cpuEff = effFn Cluster.csIcpu (fromIntegral . Cluster.csVcpu)
-- | Holds data for converting a 'Cluster.CStats' structure into
--- detailed statictics.
+-- detailed statistics.
statsData :: [(String, Cluster.CStats -> String)]
statsData = [ ("SCORE", printf "%.8f" . Cluster.csScore)
, ("INST_CNT", printf "%d" . Cluster.csNinst)
let fin_stats = Cluster.totalResources fin_nl
fin_instances = num_instances + allocs
- when (num_instances + allocs /= Cluster.csNinst fin_stats) $
- do
- hPrintf stderr "ERROR: internal inconsistency, allocated (%d)\
- \ != counted (%d)\n" (num_instances + allocs)
- (Cluster.csNinst fin_stats) :: IO ()
- exitWith $ ExitFailure 1
-
- printKeys $ printStats PFinal fin_stats
- printKeys [ ("ALLOC_USAGE", printf "%.8f"
- ((fromIntegral num_instances::Double) /
- fromIntegral fin_instances))
- , ("ALLOC_INSTANCES", printf "%d" allocs)
- , ("ALLOC_FAIL_REASON", map toUpper . show . fst $ head sreason)
- ]
- printKeys $ map (\(x, y) -> (printf "ALLOC_%s_CNT" (show x),
- printf "%d" y)) sreason
+ exitWhen (num_instances + allocs /= Cluster.csNinst fin_stats) $
+ printf "internal inconsistency, allocated (%d)\
+ \ != counted (%d)\n" (num_instances + allocs)
+ (Cluster.csNinst fin_stats)
+
+ printKeysHTS $ printStats PFinal fin_stats
+ printKeysHTS [ ("ALLOC_USAGE", printf "%.8f"
+ ((fromIntegral num_instances::Double) /
+ fromIntegral fin_instances))
+ , ("ALLOC_INSTANCES", printf "%d" allocs)
+ , ("ALLOC_FAIL_REASON", map toUpper . show . fst $ head sreason)
+ ]
+ printKeysHTS $ map (\(x, y) -> (printf "ALLOC_%s_CNT" (show x),
+ printf "%d" y)) sreason
printResults False ini_nl fin_nl _ allocs sreason = do
putStrLn "Normal (fixed-size) allocation results:"
printFRScores ini_nl fin_nl sreason
-- | Prints the final @OK@ marker in machine readable output.
-printFinal :: Bool -> IO ()
-printFinal True =
- -- this should be the final entry
- printKeys [("OK", "1")]
-
-printFinal False = return ()
+printFinalHTS :: Bool -> IO ()
+printFinalHTS = printFinal htsPrefix
-- | Compute the tiered spec counts from a list of allocated
-- instances.
let ini_stats = Cluster.totalResources ini_nl
fin_stats = Cluster.totalResources fin_nl
(rini, ralo, runa) = Cluster.computeAllocationDelta ini_stats fin_stats
- printKeys $ formatRSpec "USED" rini
- printKeys $ formatRSpec "POOL" ralo
- printKeys $ formatRSpec "UNAV" runa
-
--- | Ensure a value is quoted if needed.
-ensureQuoted :: String -> String
-ensureQuoted v = if not (all (\c -> isAlphaNum c || c == '.') v)
- then '\'':v ++ "'"
- else v
+ printKeysHTS $ formatRSpec "USED" rini
+ printKeysHTS $ formatRSpec "POOL" ralo
+ printKeysHTS $ formatRSpec "UNAV" runa
-- | Format a list of key\/values as a shell fragment.
-printKeys :: [(String, String)] -> IO ()
-printKeys = mapM_ (\(k, v) ->
- printf "HTS_%s=%s\n" (map toUpper k) (ensureQuoted v))
+printKeysHTS :: [(String, String)] -> IO ()
+printKeysHTS = printKeys htsPrefix
-- | Converts instance data to a list of strings.
printInstance :: Node.List -> Instance.Instance -> [String]
-- | Print the cluster resources.
printCluster :: Bool -> Cluster.CStats -> Int -> IO ()
printCluster True ini_stats node_count = do
- printKeys $ map (\(a, fn) -> ("CLUSTER_" ++ a, fn ini_stats)) clusterData
- printKeys [("CLUSTER_NODES", printf "%d" node_count)]
- printKeys $ printStats PInitial ini_stats
+ printKeysHTS $ map (\(a, fn) -> ("CLUSTER_" ++ a, fn ini_stats)) clusterData
+ printKeysHTS [("CLUSTER_NODES", printf "%d" node_count)]
+ printKeysHTS $ printStats PInitial ini_stats
printCluster False ini_stats node_count = do
printf "The cluster has %d nodes and the following resources:\n %s.\n"
-- | Prints the normal instance spec.
printISpec :: Bool -> RSpec -> SpecType -> DiskTemplate -> IO ()
printISpec True ispec spec disk_template = do
- printKeys $ map (\(a, fn) -> (prefix ++ "_" ++ a, fn ispec)) specData
- printKeys [ (prefix ++ "_RQN", printf "%d" req_nodes) ]
- printKeys [ (prefix ++ "_DISK_TEMPLATE",
- diskTemplateToRaw disk_template) ]
+ printKeysHTS $ map (\(a, fn) -> (prefix ++ "_" ++ a, fn ispec)) specData
+ printKeysHTS [ (prefix ++ "_RQN", printf "%d" req_nodes) ]
+ printKeysHTS [ (prefix ++ "_DISK_TEMPLATE",
+ diskTemplateToRaw disk_template) ]
where req_nodes = Instance.requiredNodes disk_template
prefix = specPrefix spec
printTiered :: Bool -> [(RSpec, Int)]
-> Node.List -> Node.List -> [(FailMode, Int)] -> IO ()
printTiered True spec_map nl trl_nl _ = do
- printKeys $ printStats PTiered (Cluster.totalResources trl_nl)
- printKeys [("TSPEC", unwords (formatSpecMap spec_map))]
+ printKeysHTS $ printStats PTiered (Cluster.totalResources trl_nl)
+ printKeysHTS [("TSPEC", unwords (formatSpecMap spec_map))]
printAllocationStats nl trl_nl
printTiered False spec_map ini_nl fin_nl sreason = do
sortReasons :: [(FailMode, Int)] -> [(FailMode, Int)]
sortReasons = reverse . sortBy (comparing snd)
--- | Aborts the program if we get a bad value.
-exitIfBad :: Result a -> IO a
-exitIfBad (Bad s) =
- hPrintf stderr "Failure: %s\n" s >> exitWith (ExitFailure 1)
-exitIfBad (Ok v) = return v
-
-- | Runs an allocation algorithm and saves cluster state.
runAllocation :: ClusterData -- ^ Cluster data
-> Maybe Cluster.AllocResult -- ^ Optional stop-allocation
(reasons, new_nl, new_il, new_ixes, _) <-
case stop_allocation of
Just result_noalloc -> return result_noalloc
- Nothing -> exitIfBad actual_result
+ Nothing -> exitIfBad "failure during allocation" actual_result
let name = head . words . specDescription $ mode
descr = name ++ " allocation"
-- | Create an instance from a given spec.
instFromSpec :: RSpec -> DiskTemplate -> Int -> Instance.Instance
-instFromSpec spx disk_template su =
+instFromSpec spx =
Instance.create "new" (rspecMem spx) (rspecDsk spx)
- (rspecCpu spx) Running [] True (-1) (-1) disk_template su
+ (rspecCpu spx) Running [] True (-1) (-1)
-- | Main function.
main :: Options -> [String] -> IO ()
main opts args = do
- unless (null args) $ do
- hPutStrLn stderr "Error: this program doesn't take any arguments."
- exitWith $ ExitFailure 1
+ exitUnless (null args) "This program doesn't take any arguments."
let verbose = optVerbose opts
machine_r = optMachineReadable opts
cluster_disk_template <-
case iPolicyDiskTemplates ipol of
first_templ:_ -> return first_templ
- _ -> do
- _ <- hPutStrLn stderr $ "Error: null list of disk templates\
- \ received from cluster!"
- exitWith $ ExitFailure 1
+ _ -> exitErr "null list of disk templates received from cluster"
let num_instances = Container.size il
all_nodes = Container.elems fixed_nl
then Nothing
else Just (optMaxLength opts)
- allocnodes <- exitIfBad $ Cluster.genAllocNodes gl nl req_nodes True
+ allocnodes <- exitIfBad "failure during allocation" $
+ Cluster.genAllocNodes gl nl req_nodes True
-- Run the tiered allocation
-- Print final result
- printFinal machine_r
+ printFinalHTS machine_r
projects / ganeti-local / blobdiff