101 lines
2.5 KiB
Haskell
101 lines
2.5 KiB
Haskell
module CmdLine where
|
|
|
|
import System.Environment
|
|
import Data.List
|
|
import System.Exit
|
|
|
|
import Common
|
|
import Utility.FileMode
|
|
|
|
data CmdLine
|
|
= Run HostName
|
|
| Spin HostName
|
|
| Boot HostName
|
|
| Set HostName PrivDataField String
|
|
|
|
processCmdLine :: IO CmdLine
|
|
processCmdLine = go =<< getArgs
|
|
where
|
|
go ("--help":_) = usage
|
|
go ("--spin":h:[]) = return $ Spin h
|
|
go ("--boot":h:[]) = return $ Boot h
|
|
go ("--set":h:f:v:[]) = case readish f of
|
|
Just pf -> return $ Set h pf v
|
|
Nothing -> error $ "Unknown privdata field " ++ f
|
|
go (h:[]) = return $ Run h
|
|
go [] = do
|
|
s <- takeWhile (/= '\n') <$> readProcess "hostname" ["-f"]
|
|
if null s
|
|
then error "Cannot determine hostname! Pass it on the command line."
|
|
else return $ Run s
|
|
go _ = usage
|
|
|
|
usage :: IO a
|
|
usage = do
|
|
putStrLn $ unlines
|
|
[ "Usage:"
|
|
, " propellor"
|
|
, " propellor hostname"
|
|
, " propellor --spin hostname"
|
|
, " propellor --set hostname field value"
|
|
]
|
|
exitFailure
|
|
|
|
defaultMain :: (HostName -> [Property]) -> IO ()
|
|
defaultMain getprops = go =<< processCmdLine
|
|
where
|
|
go (Run host) = ensureProperties (getprops host)
|
|
go (Spin host) = spin host
|
|
go (Boot host) = boot (getprops host)
|
|
go (Set host field val) = setPrivData host field val
|
|
|
|
spin :: HostName -> IO ()
|
|
spin host = do
|
|
url <- getUrl
|
|
privdata <- gpgDecrypt (privDataFile host)
|
|
void $ boolSystem "git" [Param "commit", Param "-a", Param "-m", Param "propellor spin"]
|
|
withHandle StdinHandle createProcessSuccess
|
|
(proc "ssh" ["root@"++host, bootstrap url]) $ \h -> do
|
|
hPutStr h $ unlines $ map (privDataMarker ++) $ lines privdata
|
|
hClose h
|
|
where
|
|
bootstrap url = shellWrap $ intercalate " && "
|
|
[ intercalate " ; "
|
|
[ "if [ ! -d " ++ localdir ++ " ]"
|
|
, "then"
|
|
, intercalate " && "
|
|
[ "apt-get -y install git"
|
|
, "git clone " ++ url ++ " " ++ localdir
|
|
]
|
|
, "fi"
|
|
]
|
|
, "cd " ++ localdir
|
|
, "make pull build"
|
|
, "./propellor --boot " ++ host
|
|
]
|
|
|
|
boot :: [Property] -> IO ()
|
|
boot props = do
|
|
privdata <- map (drop $ length privDataMarker )
|
|
. filter (privDataMarker `isPrefixOf`)
|
|
. lines
|
|
<$> getContents
|
|
writeFileProtected privDataLocal (unlines privdata)
|
|
ensureProperties props
|
|
|
|
localdir :: FilePath
|
|
localdir = "/usr/local/propellor"
|
|
|
|
getUrl :: IO String
|
|
getUrl = fromMaybe nourl <$> getM get urls
|
|
where
|
|
urls = ["remote.deploy.url", "remote.origin.url"]
|
|
nourl = error $ "Cannot find deploy url in " ++ show urls
|
|
get u = do
|
|
v <- catchMaybeIO $
|
|
takeWhile (/= '\n')
|
|
<$> readProcess "git" ["config", u]
|
|
return $ case v of
|
|
Just url | not (null url) -> Just url
|
|
_ -> Nothing
|