Merge branch 'joeyconfig'
Conflicts: Propellor/Property/Docker.hs
This commit is contained in:
Joey Hess
commit
634cf61c79
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@ -8,9 +8,12 @@ import System.Log.Formatter
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import System.Log.Handler (setFormatter, LogHandler)
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import System.Log.Handler.Simple
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import System.PosixCompat
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import Control.Exception (bracket)
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import System.Posix.IO
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import Propellor
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import qualified Propellor.Property.Docker as Docker
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import qualified Propellor.Property.Docker.Shim as DockerShim
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import Utility.FileMode
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import Utility.SafeCommand
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@ -53,6 +56,7 @@ processCmdLine = go =<< getArgs
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defaultMain :: [HostName -> Maybe [Property]] -> IO ()
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defaultMain getprops = do
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DockerShim.cleanEnv
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checkDebugMode
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cmdline <- processCmdLine
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debug ["command line: ", show cmdline]
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@ -69,14 +73,26 @@ defaultMain getprops = do
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go True cmdline = updateFirst cmdline $ go False cmdline
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go False (Spin host) = withprops host $ const $ spin host
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go False (Run host) = ifM ((==) 0 <$> getRealUserID)
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( withprops host ensureProperties
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( onlyProcess $ withprops host ensureProperties
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, go True (Spin host)
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)
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go False (Boot host) = withprops host $ boot
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go False (Boot host) = onlyProcess $ withprops host $ boot
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withprops host a = maybe (unknownhost host) a $
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headMaybe $ catMaybes $ map (\get -> get host) getprops
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onlyProcess :: IO a -> IO a
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onlyProcess a = bracket lock unlock (const a)
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where
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lock = do
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l <- createFile lockfile stdFileMode
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setLock l (WriteLock, AbsoluteSeek, 0, 0)
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`catchIO` const alreadyrunning
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return l
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unlock = closeFd
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alreadyrunning = error "Propellor is already running on this host!"
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lockfile = localdir </> ".lock"
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unknownhost :: HostName -> IO a
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unknownhost h = errorMessage $ unlines
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[ "Unknown host: " ++ h
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@ -1,4 +1,4 @@
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{-# LANGUAGE RankNTypes #-}
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{-# LANGUAGE RankNTypes, BangPatterns #-}
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-- | Docker support for propellor
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--
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@ -17,6 +17,7 @@ import Utility.Path
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import Control.Concurrent.Async
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import System.Posix.Directory
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import System.Posix.Process
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import Data.List
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import Data.List.Utils
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@ -166,7 +167,7 @@ volume = runProp "volume"
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-- | Mount a volume from the specified container into the current
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-- container.
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volumes_from :: ContainerName -> Containerized Property
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volumes_from cn = genProp "volumes-rom" $ \hn ->
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volumes_from cn = genProp "volumes-from" $ \hn ->
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fromContainerId (ContainerId hn cn)
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-- | Work dir inside the container.
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@ -241,24 +242,34 @@ runningContainer cid@(ContainerId hn cn) image containerprops = containerDesc ci
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l <- listContainers RunningContainers
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if cid `elem` l
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then do
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-- Check if the ident has changed; if so the
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-- parameters of the container differ and it must
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-- be restarted.
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runningident <- getrunningident
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if (ident2id <$> runningident) == Just (ident2id ident)
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if runningident == Just ident
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then return NoChange
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else do
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void $ stopContainer cid
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oldimage <- fromMaybe image <$> commitContainer cid
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void $ removeContainer cid
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go oldimage
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else do
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whenM (elem cid <$> listContainers AllContainers) $ do
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void $ removeContainer cid
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go image
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restartcontainer
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else ifM (elem cid <$> listContainers AllContainers)
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( restartcontainer
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, go image
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)
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where
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ident = ContainerIdent image hn cn runps
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getrunningident = catchDefaultIO Nothing $
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simpleShClient (namedPipe cid) "cat" [propellorIdent] $
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pure . headMaybe . catMaybes . map readish . catMaybes . map getStdout
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restartcontainer = do
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oldimage <- fromMaybe image <$> commitContainer cid
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void $ removeContainer cid
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go oldimage
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getrunningident :: IO (Maybe ContainerIdent)
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getrunningident = simpleShClient (namedPipe cid) "cat" [propellorIdent] $ \rs -> do
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let !v = extractident rs
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return v
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extractident :: [Resp] -> Maybe ContainerIdent
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extractident = headMaybe . catMaybes . map readish . catMaybes . map getStdout
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runps = getRunParams hn $ containerprops ++
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-- expose propellor directory inside the container
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@ -280,6 +291,9 @@ runningContainer cid@(ContainerId hn cn) image containerprops = containerDesc ci
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-- | Called when propellor is running inside a docker container.
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-- The string should be the container's ContainerId.
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--
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-- This process is effectively init inside the container.
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-- It even needs to wait on zombie processes!
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--
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-- Fork a thread to run the SimpleSh server in the background.
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-- In the foreground, run an interactive bash (or sh) shell,
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-- so that the user can interact with it when attached to the container.
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@ -305,13 +319,17 @@ chain s = case toContainerId s of
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let shim = Shim.file (localdir </> "propellor") (localdir </> shimdir cid)
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unlessM (boolSystem shim [Param "--continue", Param $ show $ Chain $ fromContainerId cid]) $
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warningMessage "Boot provision failed!"
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void $ async $ simpleSh $ namedPipe cid
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forever $ do
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void $ ifM (inPath "bash")
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void $ async $ job reapzombies
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void $ async $ job $ simpleSh $ namedPipe cid
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job $ do
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void $ tryIO $ ifM (inPath "bash")
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( boolSystem "bash" [Param "-l"]
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, boolSystem "/bin/sh" []
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)
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putStrLn "Container is still running. Press ^P^Q to detach."
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where
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job = forever . void . tryIO
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reapzombies = void $ getAnyProcessStatus True False
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-- | Once a container is running, propellor can be run inside
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-- it to provision it.
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@ -343,7 +361,7 @@ provisionContainer cid = containerDesc cid $ Property "provision" $ do
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hPutStrLn stderr s
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hFlush stderr
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go Nothing rest
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Done _ -> ret lastline
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Done -> ret lastline
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go lastline [] = ret lastline
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ret lastline = return $ fromMaybe FailedChange $
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@ -3,7 +3,7 @@
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--
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-- Note: This is currently Debian specific, due to glibcLibs.
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module Propellor.Property.Docker.Shim (setup, file) where
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module Propellor.Property.Docker.Shim (setup, cleanEnv, file) where
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import Propellor
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import Utility.LinuxMkLibs
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@ -44,6 +44,9 @@ setup propellorbin dest = do
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modifyFileMode shim (addModes executeModes)
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return shim
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cleanEnv :: IO ()
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cleanEnv = void $ unsetEnv "GCONV_PATH"
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file :: FilePath -> FilePath -> FilePath
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file propellorbin dest = dest </> takeFileName propellorbin
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@ -9,8 +9,14 @@ import Propellor.Property.Cron (CronTimes)
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builduser :: UserName
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builduser = "builder"
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homedir :: FilePath
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homedir = "/home/builder"
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gitbuilderdir :: FilePath
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gitbuilderdir = homedir </> "gitbuilder"
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builddir :: FilePath
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builddir = "gitbuilder"
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builddir = gitbuilderdir </> "build"
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builder :: Architecture -> CronTimes -> Bool -> Property
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builder arch crontimes rsyncupload = combineProperties "gitannexbuilder"
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@ -20,26 +26,22 @@ builder arch crontimes rsyncupload = combineProperties "gitannexbuilder"
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"liblockfile-simple-perl", "cabal-install", "vim", "less"]
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, serviceRunning "cron" `requires` Apt.installed ["cron"]
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, User.accountFor builduser
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, check (lacksdir builddir) $ userScriptProperty builduser
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[ "git clone git://git.kitenet.net/gitannexbuilder " ++ builddir
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, "cd " ++ builddir
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, check (not <$> doesDirectoryExist gitbuilderdir) $ userScriptProperty builduser
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[ "git clone git://git.kitenet.net/gitannexbuilder " ++ gitbuilderdir
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, "cd " ++ gitbuilderdir
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, "git checkout " ++ arch
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]
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`describe` "gitbuilder setup"
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, check (lacksdir $ builddir </> "build") $ userScriptProperty builduser
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[ "cd " ++ builddir
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, "git clone git://git-annex.branchable.com/ build"
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, check (not <$> doesDirectoryExist builddir) $ userScriptProperty builduser
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[ "git clone git://git-annex.branchable.com/ " ++ builddir
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]
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, Property "git-annex source build deps installed" $ do
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d <- homedir
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ensureProperty $ Apt.buildDepIn (d </> builddir </> "build")
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, Cron.niceJob "gitannexbuilder" crontimes builduser ("~/" ++ builddir) "git pull ; ./autobuild"
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, "git-annex source build deps installed" ==> Apt.buildDepIn builddir
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, Cron.niceJob "gitannexbuilder" crontimes builduser gitbuilderdir "git pull ; ./autobuild"
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-- The builduser account does not have a password set,
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-- instead use the password privdata to hold the rsync server
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-- password used to upload the built image.
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, Property "rsync password" $ do
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d <- homedir
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let f = d </> "rsyncpassword"
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let f = homedir </> "rsyncpassword"
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if rsyncupload
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then withPrivData (Password builduser) $ \p -> do
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oldp <- catchDefaultIO "" $ readFileStrict f
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@ -52,8 +54,3 @@ builder arch crontimes rsyncupload = combineProperties "gitannexbuilder"
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, makeChange $ writeFile f "no password configured"
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)
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]
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where
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homedir = fromMaybe ("/home/" ++ builduser) <$> User.homedir builduser
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lacksdir d = do
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h <- homedir
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not <$> doesDirectoryExist (h </> d)
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@ -9,7 +9,6 @@ import Network.Socket
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import Control.Concurrent.Chan
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import Control.Concurrent.Async
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import System.Process (std_in, std_out, std_err)
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import System.Exit
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import Propellor
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import Utility.FileMode
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@ -18,7 +17,7 @@ import Utility.ThreadScheduler
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data Cmd = Cmd String [String]
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deriving (Read, Show)
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data Resp = StdoutLine String | StderrLine String | Done ExitCode
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data Resp = StdoutLine String | StderrLine String | Done
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deriving (Read, Show)
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simpleSh :: FilePath -> IO ()
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@ -49,7 +48,7 @@ simpleSh namedpipe = do
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v <- readChan chan
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hPutStrLn h (show v)
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case v of
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Done _ -> noop
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Done -> noop
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_ -> runwriter
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writer <- async runwriter
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@ -59,7 +58,9 @@ simpleSh namedpipe = do
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(mkreader StdoutLine outh)
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(mkreader StderrLine errh)
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writeChan chan . Done =<< waitForProcess pid
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void $ tryIO $ waitForProcess pid
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writeChan chan Done
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wait writer
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@ -36,7 +36,6 @@ host hostname@"clam.kitenet.net" = standardSystem Unstable $ props
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& Tor.isBridge
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& JoeySites.oldUseNetshellBox
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& Docker.configured
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! Docker.docked container hostname "amd64-git-annex-builder"
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& Docker.garbageCollected
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-- Orca is the main git-annex build box.
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host hostname@"orca.kitenet.net" = standardSystem Unstable $ props
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@ -46,6 +45,8 @@ host hostname@"orca.kitenet.net" = standardSystem Unstable $ props
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& Apt.buildDep ["git-annex"]
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& Docker.docked container hostname "amd64-git-annex-builder"
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& Docker.docked container hostname "i386-git-annex-builder"
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& Docker.docked container hostname "armel-git-annex-builder-companion"
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& Docker.docked container hostname "armel-git-annex-builder"
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& Docker.garbageCollected
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-- My laptop
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host _hostname@"darkstar.kitenet.net" = Just $ props
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@ -67,11 +68,29 @@ container _host name
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& serviceRunning "apache2"
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`requires` Apt.installed ["apache2"]
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]
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-- armel builder has a companion container that run amd64 and
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-- runs the build first to get TH splices. They share a home
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-- directory, and need to have the same versions of all haskell
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-- libraries installed.
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| name == "armel-git-annex-builder-companion" = Just $ Docker.containerFrom
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(image $ System (Debian Unstable) "amd64")
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[ Docker.volume GitAnnexBuilder.homedir
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]
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| name == "armel-git-annex-builder" = Just $ Docker.containerFrom
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(image $ System (Debian Unstable) "armel")
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[ Docker.link (name ++ "-companion") "companion"
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, Docker.volumes_from (name ++ "-companion")
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, Docker.inside $ props
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-- & GitAnnexBuilder.builder "armel" "15 * * * *" True
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]
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| "-git-annex-builder" `isSuffixOf` name =
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let arch = takeWhile (/= '-') name
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in Just $ Docker.containerFrom
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(image $ System (Debian Unstable) arch)
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[ Docker.inside $ props & GitAnnexBuilder.builder arch "15 * * * *" True ]
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| otherwise = Nothing
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-- | Docker images I prefer to use.
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@ -1,3 +1,12 @@
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propellor (0.2.3) UNRELEASED; urgency=medium
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* docker: Fix laziness bug that caused running containers to be
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unnecessarily stopped and committed.
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* Add locking so only one propellor can run at a time on a host.
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* docker: When running as effective init inside container, wait on zombies.
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-- Joey Hess <joeyh@debian.org> Fri, 04 Apr 2014 15:58:03 -0400
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propellor (0.2.2) unstable; urgency=medium
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* Now supports provisioning docker containers with architecture/libraries
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