module Propellor.CmdLine (
defaultMain,
processCmdLine,
) where
import System.Environment (getArgs)
import Data.List
import System.Exit
import System.Posix.User
import Network.Socket
import Propellor.Base
import Propellor.Gpg
import Propellor.Git
import Propellor.Git.VerifiedBranch
import Propellor.Bootstrap
import Propellor.Spin
import Propellor.Types.CmdLine
import qualified Propellor.Property.Docker as Docker
import qualified Propellor.Property.Chroot as Chroot
import qualified Propellor.Shim as Shim
import Utility.FileSystemEncoding
usage :: Handle -> IO ()
usage :: Handle -> IO ()
usage Handle
h = Handle -> String -> IO ()
hPutStrLn Handle
h forall a b. (a -> b) -> a -> b
$ [String] -> String
unlines
[ String
"Usage:"
, String
" with no arguments, provision the current host"
, String
""
, String
" --init"
, String
" initialize ~/.propellor"
, String
" hostname"
, String
" provision the current host as if it had the specified hostname"
, String
" --spin targethost [--via relayhost]"
, String
" provision the specified host"
, String
" --build"
, String
" recompile using your current config"
, String
" --add-key keyid"
, String
" add an additional signing key to the private data"
, String
" --rm-key keyid"
, String
" remove a signing key from the private data"
, String
" --list-fields"
, String
" list private data fields"
, String
" --set field context"
, String
" set a private data field"
, String
" --unset field context"
, String
" clear a private data field"
, String
" --unset-unused"
, String
" clear unused fields from the private data"
, String
" --dump field context"
, String
" show the content of a private data field"
, String
" --edit field context"
, String
" edit the content of a private data field"
, String
" --merge"
, String
" combine multiple spins into a single git commit"
, String
" --check"
, String
" double-check that propellor can actually run here"]
usageError :: [String] -> IO a
usageError :: forall a. [String] -> IO a
usageError [String]
ps = do
Handle -> IO ()
usage Handle
stderr
forall a. HasCallStack => String -> a
error (String
"(Unexpected: " forall a. [a] -> [a] -> [a]
++ forall a. Show a => a -> String
show [String]
ps)
processCmdLine :: IO CmdLine
processCmdLine :: IO CmdLine
processCmdLine = [String] -> IO CmdLine
go forall (m :: * -> *) a b. Monad m => (a -> m b) -> m a -> m b
=<< IO [String]
getArgs
where
go :: [String] -> IO CmdLine
go (String
"--check":[String]
_) = forall (m :: * -> *) a. Monad m => a -> m a
return CmdLine
Check
go (String
"--spin":[String]
ps) = case forall a. [a] -> [a]
reverse [String]
ps of
(String
r:String
"--via":[String]
hs) -> [String] -> Maybe String -> CmdLine
Spin
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> forall (t :: * -> *) (m :: * -> *) a b.
(Traversable t, Monad m) =>
(a -> m b) -> t a -> m (t b)
mapM String -> IO String
hostname (forall a. [a] -> [a]
reverse [String]
hs)
forall (f :: * -> *) a b. Applicative f => f (a -> b) -> f a -> f b
<*> forall (f :: * -> *) a. Applicative f => a -> f a
pure (forall a. a -> Maybe a
Just String
r)
[String]
_ -> [String] -> Maybe String -> CmdLine
Spin forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> forall (t :: * -> *) (m :: * -> *) a b.
(Traversable t, Monad m) =>
(a -> m b) -> t a -> m (t b)
mapM String -> IO String
hostname [String]
ps forall (f :: * -> *) a b. Applicative f => f (a -> b) -> f a -> f b
<*> forall (f :: * -> *) a. Applicative f => a -> f a
pure forall a. Maybe a
Nothing
go (String
"--build":[]) = forall (m :: * -> *) a. Monad m => a -> m a
return CmdLine
Build
go (String
"--add-key":String
k:[]) = forall (m :: * -> *) a. Monad m => a -> m a
return forall a b. (a -> b) -> a -> b
$ String -> CmdLine
AddKey String
k
go (String
"--rm-key":String
k:[]) = forall (m :: * -> *) a. Monad m => a -> m a
return forall a b. (a -> b) -> a -> b
$ String -> CmdLine
RmKey String
k
go (String
"--set":String
f:String
c:[]) = forall {t} {m :: * -> *} {a}.
(Read t, MonadIO m) =>
String -> String -> (t -> Context -> a) -> m a
withprivfield String
f String
c PrivDataField -> Context -> CmdLine
Set
go (String
"--unset":String
f:String
c:[]) = forall {t} {m :: * -> *} {a}.
(Read t, MonadIO m) =>
String -> String -> (t -> Context -> a) -> m a
withprivfield String
f String
c PrivDataField -> Context -> CmdLine
Unset
go (String
"--unset-unused":[]) = forall (m :: * -> *) a. Monad m => a -> m a
return CmdLine
UnsetUnused
go (String
"--dump":String
f:String
c:[]) = forall {t} {m :: * -> *} {a}.
(Read t, MonadIO m) =>
String -> String -> (t -> Context -> a) -> m a
withprivfield String
f String
c PrivDataField -> Context -> CmdLine
Dump
go (String
"--edit":String
f:String
c:[]) = forall {t} {m :: * -> *} {a}.
(Read t, MonadIO m) =>
String -> String -> (t -> Context -> a) -> m a
withprivfield String
f String
c PrivDataField -> Context -> CmdLine
Edit
go (String
"--list-fields":[]) = forall (m :: * -> *) a. Monad m => a -> m a
return CmdLine
ListFields
go (String
"--merge":[]) = forall (m :: * -> *) a. Monad m => a -> m a
return CmdLine
Merge
go (String
"--help":[String]
_) = do
Handle -> IO ()
usage Handle
stdout
forall a. IO a
exitFailure
go (String
"--boot":String
_:[]) = forall (m :: * -> *) a. Monad m => a -> m a
return forall a b. (a -> b) -> a -> b
$ Maybe String -> CmdLine
Update forall a. Maybe a
Nothing
go (String
"--serialized":String
s:[]) = forall {t} {m :: * -> *} {a}.
(Read t, MonadIO m) =>
(t -> a) -> String -> m a
serialized CmdLine -> CmdLine
Serialized String
s
go (String
"--continue":String
s:[]) = forall {t} {m :: * -> *} {a}.
(Read t, MonadIO m) =>
(t -> a) -> String -> m a
serialized CmdLine -> CmdLine
Continue String
s
go (String
"--gitpush":String
fin:String
fout:[String]
_) = forall (m :: * -> *) a. Monad m => a -> m a
return forall a b. (a -> b) -> a -> b
$ Fd -> Fd -> CmdLine
GitPush (forall a. Read a => String -> a
Prelude.read String
fin) (forall a. Read a => String -> a
Prelude.read String
fout)
go (String
"--run":String
h:[]) = [String] -> IO CmdLine
go [String
h]
go (String
h:[])
| String
"--" forall a. Eq a => [a] -> [a] -> Bool
`isPrefixOf` String
h = forall a. [String] -> IO a
usageError [String
h]
| Bool
otherwise = String -> CmdLine
Run forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> String -> IO String
hostname String
h
go [] = do
String
s <- forall a. (a -> Bool) -> [a] -> [a]
takeWhile (forall a. Eq a => a -> a -> Bool
/= Char
'\n') forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> String -> [String] -> IO String
readProcess String
"hostname" [String
"-f"]
if forall (t :: * -> *) a. Foldable t => t a -> Bool
null String
s
then forall (m :: * -> *) a. MonadIO m => String -> m a
errorMessage String
"Cannot determine hostname! Pass it on the command line."
else forall (m :: * -> *) a. Monad m => a -> m a
return forall a b. (a -> b) -> a -> b
$ String -> CmdLine
Run String
s
go [String]
v = forall a. [String] -> IO a
usageError [String]
v
withprivfield :: String -> String -> (t -> Context -> a) -> m a
withprivfield String
s String
c t -> Context -> a
f = case forall a. Read a => String -> Maybe a
readish String
s of
Just t
pf -> forall (m :: * -> *) a. Monad m => a -> m a
return forall a b. (a -> b) -> a -> b
$ t -> Context -> a
f t
pf (String -> Context
Context String
c)
Maybe t
Nothing -> forall (m :: * -> *) a. MonadIO m => String -> m a
errorMessage forall a b. (a -> b) -> a -> b
$ String
"Unknown privdata field " forall a. [a] -> [a] -> [a]
++ String
s
serialized :: (t -> a) -> String -> m a
serialized t -> a
mk String
s = case forall a. Read a => String -> Maybe a
readish String
s of
Just t
cmdline -> forall (m :: * -> *) a. Monad m => a -> m a
return forall a b. (a -> b) -> a -> b
$ t -> a
mk t
cmdline
Maybe t
Nothing -> forall (m :: * -> *) a. MonadIO m => String -> m a
errorMessage forall a b. (a -> b) -> a -> b
$ String
"serialization failure (" forall a. [a] -> [a] -> [a]
++ String
s forall a. [a] -> [a] -> [a]
++ String
")"
data CanRebuild = CanRebuild | NoRebuild
defaultMain :: [Host] -> IO ()
defaultMain :: [Host] -> IO ()
defaultMain [Host]
hostlist = forall (m :: * -> *) a. (MonadIO m, MonadMask m) => m a -> m a
withConcurrentOutput forall a b. (a -> b) -> a -> b
$ do
IO ()
useFileSystemEncoding
IO ()
setupGpgEnv
IO ()
Shim.cleanEnv
IO ()
checkDebugMode
CmdLine
cmdline <- IO CmdLine
processCmdLine
[String] -> IO ()
debug [String
"command line: ", forall a. Show a => a -> String
show CmdLine
cmdline]
CanRebuild -> CmdLine -> IO ()
go CanRebuild
CanRebuild CmdLine
cmdline
where
go :: CanRebuild -> CmdLine -> IO ()
go CanRebuild
cr (Serialized CmdLine
cmdline) = CanRebuild -> CmdLine -> IO ()
go CanRebuild
cr CmdLine
cmdline
go CanRebuild
_ CmdLine
Check = forall (m :: * -> *) a. Monad m => a -> m a
return ()
go CanRebuild
cr CmdLine
Build = Maybe Host -> CanRebuild -> CmdLine -> IO () -> IO ()
buildFirst forall a. Maybe a
Nothing CanRebuild
cr CmdLine
Build forall a b. (a -> b) -> a -> b
$ forall (m :: * -> *) a. Monad m => a -> m a
return ()
go CanRebuild
_ (Set PrivDataField
field Context
context) = PrivDataField -> Context -> IO ()
setPrivData PrivDataField
field Context
context
go CanRebuild
_ (Unset PrivDataField
field Context
context) = PrivDataField -> Context -> IO ()
unsetPrivData PrivDataField
field Context
context
go CanRebuild
_ (CmdLine
UnsetUnused) = [Host] -> IO ()
unsetPrivDataUnused [Host]
hostlist
go CanRebuild
_ (Dump PrivDataField
field Context
context) = PrivDataField -> Context -> IO ()
dumpPrivData PrivDataField
field Context
context
go CanRebuild
_ (Edit PrivDataField
field Context
context) = PrivDataField -> Context -> IO ()
editPrivData PrivDataField
field Context
context
go CanRebuild
_ CmdLine
ListFields = [Host] -> IO ()
listPrivDataFields [Host]
hostlist
go CanRebuild
_ (AddKey String
keyid) = String -> IO ()
addKey String
keyid
go CanRebuild
_ (RmKey String
keyid) = String -> IO ()
rmKey String
keyid
go CanRebuild
_ c :: CmdLine
c@(ChrootChain String
_ String
_ Bool
_ Bool
_ [ContainerCapability]
_) = [Host] -> CmdLine -> IO ()
Chroot.chain [Host]
hostlist CmdLine
c
go CanRebuild
_ (DockerChain String
hn String
cid) = [Host] -> String -> String -> IO ()
Docker.chain [Host]
hostlist String
hn String
cid
go CanRebuild
_ (DockerInit String
hn) = String -> IO ()
Docker.init String
hn
go CanRebuild
_ (GitPush Fd
fin Fd
fout) = Fd -> Fd -> IO ()
gitPushHelper Fd
fin Fd
fout
go CanRebuild
cr (Relay String
h) = IO ()
forceConsole forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>>
Maybe Host -> CanRebuild -> CmdLine -> IO () -> IO ()
updateFirst forall a. Maybe a
Nothing CanRebuild
cr (Maybe String -> CmdLine
Update (forall a. a -> Maybe a
Just String
h)) (Maybe String -> IO ()
update (forall a. a -> Maybe a
Just String
h))
go CanRebuild
_ (Update Maybe String
Nothing) = IO ()
forceConsole forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>>
IO () -> IO ()
fetchFirst (forall {a}. IO a -> IO a
onlyprocess (Maybe String -> IO ()
update forall a. Maybe a
Nothing))
go CanRebuild
_ (Update (Just String
h)) = Maybe String -> IO ()
update (forall a. a -> Maybe a
Just String
h)
go CanRebuild
_ CmdLine
Merge = IO ()
mergeSpin
go CanRebuild
cr cmdline :: CmdLine
cmdline@(Spin [String]
hs Maybe String
mrelay) = Maybe Host -> CanRebuild -> CmdLine -> IO () -> IO ()
buildFirst forall a. Maybe a
Nothing CanRebuild
cr CmdLine
cmdline forall a b. (a -> b) -> a -> b
$ do
forall (f :: * -> *). Applicative f => Bool -> f () -> f ()
unless (forall a. Maybe a -> Bool
isJust Maybe String
mrelay) IO ()
commitSpin
forall (t :: * -> *) (m :: * -> *) a b.
(Foldable t, Monad m) =>
t a -> (a -> m b) -> m ()
forM_ [String]
hs forall a b. (a -> b) -> a -> b
$ \String
hn -> String -> (Host -> IO ()) -> IO ()
withhost String
hn forall a b. (a -> b) -> a -> b
$ Maybe String -> String -> Host -> IO ()
spin Maybe String
mrelay String
hn
go CanRebuild
cr cmdline :: CmdLine
cmdline@(Run String
hn) = forall (m :: * -> *) a. Monad m => m Bool -> (m a, m a) -> m a
ifM (forall a. Eq a => a -> a -> Bool
(==) UserID
0 forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> IO UserID
getRealUserID)
( Maybe Host -> CanRebuild -> CmdLine -> IO () -> IO ()
updateFirst ([Host] -> String -> Maybe Host
findHost [Host]
hostlist String
hn) CanRebuild
cr CmdLine
cmdline forall a b. (a -> b) -> a -> b
$ String -> IO ()
runhost String
hn
, IO () -> IO ()
fetchFirst forall a b. (a -> b) -> a -> b
$ CanRebuild -> CmdLine -> IO ()
go CanRebuild
cr ([String] -> Maybe String -> CmdLine
Spin [String
hn] forall a. Maybe a
Nothing)
)
go CanRebuild
cr cmdline :: CmdLine
cmdline@(SimpleRun String
hn) = IO ()
forceConsole forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>>
IO () -> IO ()
fetchFirst (Maybe Host -> CanRebuild -> CmdLine -> IO () -> IO ()
buildFirst ([Host] -> String -> Maybe Host
findHost [Host]
hostlist String
hn) CanRebuild
cr CmdLine
cmdline (String -> IO ()
runhost String
hn))
go CanRebuild
_ (Continue CmdLine
cmdline) = CanRebuild -> CmdLine -> IO ()
go CanRebuild
NoRebuild CmdLine
cmdline
withhost :: HostName -> (Host -> IO ()) -> IO ()
withhost :: String -> (Host -> IO ()) -> IO ()
withhost String
hn Host -> IO ()
a = forall b a. b -> (a -> b) -> Maybe a -> b
maybe (forall a. String -> [Host] -> IO a
unknownhost String
hn [Host]
hostlist) Host -> IO ()
a ([Host] -> String -> Maybe Host
findHost [Host]
hostlist String
hn)
runhost :: String -> IO ()
runhost String
hn = forall {a}. IO a -> IO a
onlyprocess forall a b. (a -> b) -> a -> b
$ String -> (Host -> IO ()) -> IO ()
withhost String
hn Host -> IO ()
mainProperties
onlyprocess :: IO a -> IO a
onlyprocess = forall a. String -> IO a -> IO a
onlyProcess (String
localdir String -> String -> String
</> String
".lock")
unknownhost :: HostName -> [Host] -> IO a
unknownhost :: forall a. String -> [Host] -> IO a
unknownhost String
h [Host]
hosts = forall (m :: * -> *) a. MonadIO m => String -> m a
errorMessage forall a b. (a -> b) -> a -> b
$ [String] -> String
unlines
[ String
"Propellor does not know about host: " forall a. [a] -> [a] -> [a]
++ String
h
, String
"(Perhaps you should specify the real hostname on the command line?)"
, String
"(Or, edit propellor's config.hs to configure this host)"
, String
"Known hosts: " forall a. [a] -> [a] -> [a]
++ [String] -> String
unwords (forall a b. (a -> b) -> [a] -> [b]
map Host -> String
hostName [Host]
hosts)
]
buildFirst :: Maybe Host -> CanRebuild -> CmdLine -> IO () -> IO ()
buildFirst :: Maybe Host -> CanRebuild -> CmdLine -> IO () -> IO ()
buildFirst Maybe Host
h CanRebuild
CanRebuild CmdLine
cmdline IO ()
next = do
Maybe UTCTime
oldtime <- IO (Maybe UTCTime)
getmtime
Maybe Host -> IO ()
buildPropellor Maybe Host
h
Maybe UTCTime
newtime <- IO (Maybe UTCTime)
getmtime
if Maybe UTCTime
newtime forall a. Eq a => a -> a -> Bool
== Maybe UTCTime
oldtime
then IO ()
next
else forall a. CmdLine -> IO a
continueAfterBuild CmdLine
cmdline
where
getmtime :: IO (Maybe UTCTime)
getmtime = forall (m :: * -> *) a. MonadCatch m => m a -> m (Maybe a)
catchMaybeIO forall a b. (a -> b) -> a -> b
$ String -> IO UTCTime
getModificationTime String
"propellor"
buildFirst Maybe Host
_ CanRebuild
NoRebuild CmdLine
_ IO ()
next = IO ()
next
continueAfterBuild :: CmdLine -> IO a
continueAfterBuild :: forall a. CmdLine -> IO a
continueAfterBuild CmdLine
cmdline = forall {a}. Bool -> IO a
go forall (m :: * -> *) a b. Monad m => (a -> m b) -> m a -> m b
=<< String -> [CommandParam] -> IO Bool
boolSystem String
"./propellor"
[ String -> CommandParam
Param String
"--continue"
, String -> CommandParam
Param (forall a. Show a => a -> String
show CmdLine
cmdline)
]
where
go :: Bool -> IO a
go Bool
True = forall a. IO a
exitSuccess
go Bool
False = forall a. ExitCode -> IO a
exitWith (Int -> ExitCode
ExitFailure Int
1)
fetchFirst :: IO () -> IO ()
fetchFirst :: IO () -> IO ()
fetchFirst IO ()
next = do
forall (m :: * -> *). Monad m => m Bool -> m () -> m ()
whenM IO Bool
hasOrigin forall a b. (a -> b) -> a -> b
$
forall (f :: * -> *) a. Functor f => f a -> f ()
void IO Bool
fetchOrigin
IO ()
next
updateFirst :: Maybe Host -> CanRebuild -> CmdLine -> IO () -> IO ()
updateFirst :: Maybe Host -> CanRebuild -> CmdLine -> IO () -> IO ()
updateFirst Maybe Host
h CanRebuild
canrebuild CmdLine
cmdline IO ()
next = forall (m :: * -> *) a. Monad m => m Bool -> (m a, m a) -> m a
ifM IO Bool
hasOrigin
( Maybe Host -> CanRebuild -> CmdLine -> IO () -> IO ()
updateFirst' Maybe Host
h CanRebuild
canrebuild CmdLine
cmdline IO ()
next
, IO ()
next
)
updateFirst' :: Maybe Host -> CanRebuild -> CmdLine -> IO () -> IO ()
updateFirst' :: Maybe Host -> CanRebuild -> CmdLine -> IO () -> IO ()
updateFirst' Maybe Host
h CanRebuild
CanRebuild CmdLine
cmdline IO ()
next = forall (m :: * -> *) a. Monad m => m Bool -> (m a, m a) -> m a
ifM IO Bool
fetchOrigin
( do
Maybe Host -> IO ()
buildPropellor Maybe Host
h
forall a. CmdLine -> IO a
continueAfterBuild CmdLine
cmdline
, IO ()
next
)
updateFirst' Maybe Host
_ CanRebuild
NoRebuild CmdLine
_ IO ()
next = IO ()
next
hostname :: String -> IO HostName
hostname :: String -> IO String
hostname String
s = forall {f :: * -> *}. Applicative f => [AddrInfo] -> f String
go forall (m :: * -> *) a b. Monad m => (a -> m b) -> m a -> m b
=<< forall (m :: * -> *) a. MonadCatch m => a -> m a -> m a
catchDefaultIO [] IO [AddrInfo]
dnslookup
where
dnslookup :: IO [AddrInfo]
dnslookup = Maybe AddrInfo -> Maybe String -> Maybe String -> IO [AddrInfo]
getAddrInfo (forall a. a -> Maybe a
Just AddrInfo
canonname) (forall a. a -> Maybe a
Just String
s) forall a. Maybe a
Nothing
canonname :: AddrInfo
canonname = AddrInfo
defaultHints { addrFlags :: [AddrInfoFlag]
addrFlags = [AddrInfoFlag
AI_CANONNAME] }
go :: [AddrInfo] -> f String
go (AddrInfo { addrCanonName :: AddrInfo -> Maybe String
addrCanonName = Just String
v } : [AddrInfo]
_) = forall (f :: * -> *) a. Applicative f => a -> f a
pure String
v
go [AddrInfo]
_
| String
"." forall a. Eq a => [a] -> [a] -> Bool
`isInfixOf` String
s = forall (f :: * -> *) a. Applicative f => a -> f a
pure String
s
| Bool
otherwise =
forall a. HasCallStack => String -> a
error forall a b. (a -> b) -> a -> b
$ String
"cannot find host " forall a. [a] -> [a] -> [a]
++ String
s forall a. [a] -> [a] -> [a]
++ String
" in the DNS"