Stack.hs 9.49 KB
Newer Older
Valentin Reis's avatar
Valentin Reis committed
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
{-# LANGUAGE
  TupleSections,
  LambdaCase,
  RecordWildCards,
  OverloadedStrings #-}

module Argo.Stack where
import           Argo.Args

import           Turtle
import           Turtle.Shell
import           Prelude                 hiding ( FilePath )

import           Filesystem.Path                ( (</>) )

import           Control.Concurrent.Async

import           Data.Text                     as T
                                         hiding ( empty )
import           Argo.Utils
import           System.Process                as P
                                         hiding ( shell )
import           Control.Monad                 as CM
import           Data.Maybe
import           Control.Foldl                 as Fold
import           Text.Show.Pretty

cleanLeftovers :: WorkingDirectory -> Shell ()
cleanLeftovers (WorkingDirectory wd) = do
  printInfo "Cleaning working(output) directory."
  cleanLog wd
  printInfo "Cleaning sockets."
  CM.mapM_ cleanSocket ["/tmp/nrm-downstream-in", "/tmp/nrm-upstream-in"]

checkFsAttributes :: FilePath -> Shell ()
checkFsAttributes workingDirectory = do
  let dir = case toText workingDirectory of
        Left  di -> di
        Right di -> di
  let findmnt = inproc "findmnt" ["-T", dir, "-o", "OPTIONS"] empty
  b <- liftIO $ Turtle.Shell.fold (grep (has "nosuid") findmnt) Fold.length
  when (b > 0) $ dieRed $ format
    ("The output directory, " % fp % ", must not mounted with \"nosuid\"")
    workingDirectory

prepareDaemon
  :: StdOutLog -> StdErrLog -> Maybe TestText -> Shell Instrumentation
prepareDaemon out stdErr test = do
  _        <- myWhich "daemon"
  confPath <- myWhich "argo_nodeos_config"
  let confPath' = "./argo_nodeos_config"
  cp confPath confPath'
  printInfo $ format ("Copied the configurator to " % fp) confPath'
  printInfo $ format "Trying to sudo chown and chmod argo_nodeos_config"
  verboseShell (format ("sudo chown root:root " % fp) confPath') empty >>= \case
    ExitSuccess -> printInfo "Chowned argo_nodeos_config to root:root."
    ExitFailure n ->
      die ("Failed to set argo_nodeos_config permissions " <> repr n)
  verboseShell (format ("sudo chmod u+sw " % fp) confPath') empty >>= \case
    ExitSuccess   -> printInfo "Set the suid bit."
    ExitFailure n -> die ("Setting suid bit failed with exit code " <> repr n)
  cleanContainers confPath' 1 2
  export "ARGO_NODEOS_CONFIG" (format fp confPath')
  return $ Instrumentation (P.proc "daemon" []) out stdErr test
 where
  nodeOsFailure n = do
    printError ("argo_nodeos_config failed with exit code :" <> repr n)
    testfile ".argo_nodeos_config_exit_message" >>= \case
      True -> do
        printInfo "Contents of .argo_nodeos_config_exit_message: "
        view $ input ".argo_nodeos_config_exit_message"
      False -> die ("argo_nodeos_config failed with exit code " <> repr n)
  cleanContainers :: FilePath -> NominalDiffTime -> Integer -> Shell ()
  cleanContainers argo_nodeos_config retryTime remainingRetries = do
    let showConfig =
          inshell (format (fp % " --show_config") argo_nodeos_config) empty
    verboseShell'
        (format (fp % " --clean_config=kill_content:true") argo_nodeos_config)
        empty
      >>= \case
            (ExitFailure n, _, _) -> do
              when (remainingRetries == 0) $ nodeOsFailure n
              printWarning
                (  "the argo_nodeos_config call failed with exit code "
                <> repr n
                <> ". Retrying.."
                )
              liftIO $ sleep (retryTime * 2)
              cleanContainers argo_nodeos_config
                              (retryTime * 2)
                              (remainingRetries - 1)
            (ExitSuccess, _, _) -> do
              printInfo "Cleaned the argo config."
              len <- liftIO $ Turtle.Shell.fold
                (grep (has "CONTAINER") showConfig)
                Fold.length
              if len > 0
                then do
                  printWarning
                    "the argo_nodeos_config call did not remove containers, \
                \at least not fast enough. Retrying.."
                  liftIO $ sleep retryTime
                  cleanContainers argo_nodeos_config
                                  (retryTime * 2)
                                  (remainingRetries - 1)
                else
                  printInfo
                    "argo_nodeos_config successfully cleaned the container \
                    \config."

cmdRunI
  :: AppName
  -> [AppArg]
  -> ContainerName
  -> ManifestDir
  -> ManifestName
  -> ProcessBehavior
  -> Maybe (StackI, Instrumentation)
cmdRunI (AppName app) args (ContainerName cn) (ManifestDir md) (ManifestName mn) pb
  = Just (Run, )
    <*> processBehaviorToI
          (  P.proc "cmd"
          $  ["run", "-u", T.unpack cn, encodeString $ md </> mn, T.unpack app]
          ++ fmap (T.unpack . argToText) args
          )
          pb
  where argToText (AppArg a) = a

cmdListenI
  :: ContainerName -> ProcessBehavior -> Maybe (StackI, Instrumentation)
cmdListenI (ContainerName cn) pb =
  Just (Listen, )
    <*> processBehaviorToI (P.proc "cmd" ["listen", "-u", T.unpack cn]) pb

cmdListenProgressI
  :: ContainerName -> ProcessBehavior -> Maybe (StackI, Instrumentation)
cmdListenProgressI (ContainerName cn) pb =
  Just (Progress, )
    <*> processBehaviorToI
          (P.proc "cmd" ["listen", "-u", T.unpack cn, "--filter", "progress"])
          pb

cmdListenPerformanceI
  :: ContainerName -> ProcessBehavior -> Maybe (StackI, Instrumentation)
cmdListenPerformanceI (ContainerName cn) pb =
  Just (Performance, )
    <*> processBehaviorToI
          (P.proc "cmd" ["listen", "-u", T.unpack cn, "--filter", "performance"]
          )
          pb

cmdListenPowerI
  :: ContainerName -> ProcessBehavior -> Maybe (StackI, Instrumentation)
cmdListenPowerI (ContainerName cn) pb =
  Just (Power, )
    <*> processBehaviorToI
          (P.proc "cmd" ["listen", "-u", T.unpack cn, "--filter", "power"])
          pb

data StackOutput =
    FoundMessage Text
  | FoundTracebacks Tracebacks
  | Died StackI ExitCode TracebackScanOut TracebackScanErr Tracebacks deriving (Show)
type Tracebacks = [(StackI, Text, Text)]
newtype TracebackScanOut = TracebackScanOut TracebackScan deriving (Show)
newtype TracebackScanErr = TracebackScanErr TracebackScan deriving (Show)

data StackI = Daemon | Run | Listen | Progress | Power | Performance deriving (Eq)
instance Show StackI where
  show = \case
    Daemon -> "daemon"
    Run -> "cmd run"
    Listen -> "cmd listen -v"
    Progress -> "cmd listen -f progress"
    Power -> "cmd listen -f power"
    Performance -> "cmd listen -f performance"

runStack :: StackArgs -> Shell StackOutput
runStack sa@StackArgs {..} = do
  when (verbosity == Verbose) $ liftIO $ pPrint sa

  CM.mapM_
    cleanSocket
    [ "/tmp/nrm-downstream-in"
    , "/tmp/nrm-upstream-in"
    , "/tmp/nrm-upstream-event"
    ]
  let (WorkingDirectory wd) = workingDirectory
  _ <- Turtle.shell (format ("rm -rf " % fp) wd) Turtle.empty
  mktree wd
  checkFsAttributes wd
  cd wd

  iDaemon <- case daemon of
    DontRun -> return Nothing
    JustRun stdOut stdErr ->
      (\i -> Just (Daemon, i)) <$> prepareDaemon stdOut stdErr Nothing
    Test t stdOut stdErr ->
      (\i -> Just (Daemon, i)) <$> prepareDaemon stdOut stdErr (Just t)

  let milist =
        [ iDaemon
        , cmdRunI app args containerName manifestDir manifestName cmdrun
        , cmdListenI containerName cmdlisten
        , cmdListenPerformanceI containerName cmdlistenperformance
        , cmdListenProgressI containerName cmdlistenprogress
        , cmdListenPowerI containerName cmdlistenpower
        ]
      ilist = catMaybes milist

  if verbosity == Verbose
    then do
      printInfo "Starting the following processes:"
      liftIO $ pPrint ilist
    else liftIO $ pPrint (fmap fst ilist)

  asyncs <- liftIO $ mapM tupleToAsync ilist
  _      <- liftIO $ kbInstallHandler $ CM.mapM_ cancel asyncs

  when (verbosity == Verbose) $ printInfo "Processes started."

  out <- liftIO $ waitAnyCancel asyncs

  printInfo
    (  "Processes cancelled due to termination of: "
    <> repr (fst $ snd out)
    <> " with exit information: "
    <> repr (snd $ snd out)
    )

  tracebackList <- procsWithTracebacks ilist

  r <- case snd out of
    (_, Left (PatternMatched line)) -> case tracebackList of
      [] -> return $ FoundMessage line
      t  -> return $ FoundTracebacks t
    (stacki, Right (errmsg, tracebackOut, tracebackErr)) -> return $ Died
      stacki
      errmsg
      (TracebackScanOut tracebackOut)
      (TracebackScanErr tracebackErr)
      tracebackList

  cd "../"

  return r
 where
  procsWithTracebacks
    :: [(StackI, Instrumentation)] -> Shell [(StackI, Text, Text)]
  procsWithTracebacks ilist = fmap showOutputs <$> filterM (checkI . snd) ilist

  showOutputs :: (StackI, Instrumentation) -> (StackI, Text, Text)
  showOutputs (si, Instrumentation _ (StdOutLog outlog) (StdErrLog errlog) _) =
    (si, outlog, errlog)

  checkI :: Instrumentation -> Shell Bool
  checkI (Instrumentation _ (StdOutLog outlog) (StdErrLog errlog) _) = do
    b <- liftIO $ Turtle.Shell.fold
      (grep (has "Traceback") (input $ fromText outlog))
      Fold.length
    c <- liftIO $ Turtle.Shell.fold
      (grep (has "Traceback") (input $ fromText errlog))
      Fold.length
    return $ (b > 0) || (c > 0)

  tupleToAsync
    :: (StackI, Instrumentation)
    -> IO
         ( Async
             ( StackI
             , Either
                 MonitoringResult
                 (ExitCode, TracebackScan, TracebackScan)
             )
         )
  tupleToAsync (stacki, instrum) = async $ (stacki, ) <$> runI instrum