git-annex/Assistant/WebApp/Configurators/AWS.hs
Joey Hess d1130ea04a
get rid of hardcoded "name" lookups
Support "sameas-name" being set instead.

In RenameRemote, rename which ever of the two is set.
2019-10-10 13:25:10 -04:00

233 lines
7.4 KiB
Haskell

{- git-annex assistant webapp configurators for Amazon AWS services
-
- Copyright 2012 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU AGPL version 3 or higher.
-}
{-# LANGUAGE CPP, QuasiQuotes, TemplateHaskell, OverloadedStrings #-}
module Assistant.WebApp.Configurators.AWS where
import Assistant.WebApp.Common
import Assistant.WebApp.MakeRemote
#ifdef WITH_S3
import qualified Remote.S3 as S3
import Logs.Remote
import qualified Remote
import qualified Types.Remote as Remote
#endif
import qualified Remote.Glacier as Glacier
import qualified Remote.Helper.AWS as AWS
import Types.Remote (RemoteConfig)
import Types.StandardGroups
import Creds
import Assistant.Gpg
import Git.Types (RemoteName)
import Annex.SpecialRemote.Config
import qualified Data.Text as T
import qualified Data.Map as M
import Data.Char
awsConfigurator :: Widget -> Handler Html
awsConfigurator = page "Add an Amazon repository" (Just Configuration)
glacierConfigurator :: Widget -> Handler Html
glacierConfigurator a = do
ifM (liftIO $ inPath "glacier")
( awsConfigurator a
, awsConfigurator needglaciercli
)
where
needglaciercli = $(widgetFile "configurators/needglaciercli")
data StorageClass = StandardRedundancy | StandardInfrequentAccess | ReducedRedundancy
deriving (Eq, Enum, Bounded)
instance Show StorageClass where
show StandardRedundancy = "STANDARD"
show StandardInfrequentAccess = "STANDARD_IA"
show ReducedRedundancy = "REDUCED_REDUNDANCY"
data AWSInput = AWSInput
{ accessKeyID :: Text
, secretAccessKey :: Text
, datacenter :: Text
-- Only used for S3, not Glacier.
, storageClass :: StorageClass
, repoName :: Text
, enableEncryption :: EnableEncryption
}
data AWSCreds = AWSCreds Text Text
extractCreds :: AWSInput -> AWSCreds
extractCreds i = AWSCreds (accessKeyID i) (secretAccessKey i)
s3InputAForm :: Maybe CredPair -> MkAForm AWSInput
s3InputAForm defcreds = AWSInput
<$> accessKeyIDFieldWithHelp (T.pack . fst <$> defcreds)
<*> secretAccessKeyField (T.pack . snd <$> defcreds)
<*> datacenterField AWS.S3
<*> areq (selectFieldList storageclasses) (bfs "Storage class") (Just StandardRedundancy)
<*> areq textField (bfs "Repository name") (Just "S3")
<*> enableEncryptionField
where
storageclasses :: [(Text, StorageClass)]
storageclasses =
[ ("Standard redundancy", StandardRedundancy)
#ifdef WITH_S3
, ("Infrequent access (cheaper for backups and archives)", StandardInfrequentAccess)
#endif
, ("Reduced redundancy (costs less)", ReducedRedundancy)
]
glacierInputAForm :: Maybe CredPair -> MkAForm AWSInput
glacierInputAForm defcreds = AWSInput
<$> accessKeyIDFieldWithHelp (T.pack . fst <$> defcreds)
<*> secretAccessKeyField (T.pack . snd <$> defcreds)
<*> datacenterField AWS.Glacier
<*> pure StandardRedundancy
<*> areq textField (bfs "Repository name") (Just "glacier")
<*> enableEncryptionField
awsCredsAForm :: Maybe CredPair -> MkAForm AWSCreds
awsCredsAForm defcreds = AWSCreds
<$> accessKeyIDFieldWithHelp (T.pack . fst <$> defcreds)
<*> secretAccessKeyField (T.pack . snd <$> defcreds)
accessKeyIDField :: Widget -> Maybe Text -> MkAForm Text
accessKeyIDField help = areq (textField `withNote` help) (bfs "Access Key ID")
accessKeyIDFieldWithHelp :: Maybe Text -> MkAForm Text
accessKeyIDFieldWithHelp = accessKeyIDField help
where
help = [whamlet|
<a href="https://portal.aws.amazon.com/gp/aws/securityCredentials#id_block">
Get Amazon access keys
|]
secretAccessKeyField :: Maybe Text -> MkAForm Text
secretAccessKeyField = areq passwordField (bfs "Secret Access Key")
datacenterField :: AWS.Service -> MkAForm Text
datacenterField service = areq (selectFieldList list) (bfs "Datacenter") defregion
where
list = M.toList $ AWS.regionMap service
defregion = Just $ AWS.defaultRegion service
getAddS3R :: Handler Html
getAddS3R = postAddS3R
postAddS3R :: Handler Html
#ifdef WITH_S3
postAddS3R = awsConfigurator $ do
defcreds <- liftAnnex previouslyUsedAWSCreds
((result, form), enctype) <- liftH $
runFormPostNoToken $ renderBootstrap3 bootstrapFormLayout $ s3InputAForm defcreds
case result of
FormSuccess input -> liftH $ do
let name = T.unpack $ repoName input
makeAWSRemote initSpecialRemote S3.remote TransferGroup (extractCreds input) name $ M.fromList
[ configureEncryption $ enableEncryption input
, ("type", "S3")
, ("datacenter", T.unpack $ datacenter input)
, ("storageclass", show $ storageClass input)
, ("chunk", "1MiB")
]
_ -> $(widgetFile "configurators/adds3")
#else
postAddS3R = giveup "S3 not supported by this build"
#endif
getAddGlacierR :: Handler Html
getAddGlacierR = postAddGlacierR
postAddGlacierR :: Handler Html
#ifdef WITH_S3
postAddGlacierR = glacierConfigurator $ do
defcreds <- liftAnnex previouslyUsedAWSCreds
((result, form), enctype) <- liftH $
runFormPostNoToken $ renderBootstrap3 bootstrapFormLayout $ glacierInputAForm defcreds
case result of
FormSuccess input -> liftH $ do
let name = T.unpack $ repoName input
makeAWSRemote initSpecialRemote Glacier.remote SmallArchiveGroup (extractCreds input) name $ M.fromList
[ configureEncryption $ enableEncryption input
, ("type", "glacier")
, ("datacenter", T.unpack $ datacenter input)
]
_ -> $(widgetFile "configurators/addglacier")
#else
postAddGlacierR = giveup "S3 not supported by this build"
#endif
getEnableS3R :: UUID -> Handler Html
#ifdef WITH_S3
getEnableS3R uuid = do
m <- liftAnnex readRemoteLog
if maybe False S3.configIA (M.lookup uuid m)
then redirect $ EnableIAR uuid
else postEnableS3R uuid
#else
getEnableS3R = postEnableS3R
#endif
postEnableS3R :: UUID -> Handler Html
#ifdef WITH_S3
postEnableS3R uuid = awsConfigurator $ enableAWSRemote S3.remote uuid
#else
postEnableS3R _ = giveup "S3 not supported by this build"
#endif
getEnableGlacierR :: UUID -> Handler Html
getEnableGlacierR = postEnableGlacierR
postEnableGlacierR :: UUID -> Handler Html
postEnableGlacierR = glacierConfigurator . enableAWSRemote Glacier.remote
enableAWSRemote :: RemoteType -> UUID -> Widget
#ifdef WITH_S3
enableAWSRemote remotetype uuid = do
defcreds <- liftAnnex previouslyUsedAWSCreds
((result, form), enctype) <- liftH $
runFormPostNoToken $ renderBootstrap3 bootstrapFormLayout $ awsCredsAForm defcreds
case result of
FormSuccess creds -> liftH $ do
m <- liftAnnex readRemoteLog
let name = fromJust $ lookupName $
fromJust $ M.lookup uuid m
makeAWSRemote enableSpecialRemote remotetype SmallArchiveGroup creds name M.empty
_ -> do
description <- liftAnnex $
T.pack <$> Remote.prettyUUID uuid
$(widgetFile "configurators/enableaws")
#else
enableAWSRemote _ _ = giveup "S3 not supported by this build"
#endif
makeAWSRemote :: SpecialRemoteMaker -> RemoteType -> StandardGroup -> AWSCreds -> RemoteName -> RemoteConfig -> Handler ()
makeAWSRemote maker remotetype defaultgroup (AWSCreds ak sk) name config =
setupCloudRemote defaultgroup Nothing $
maker hostname remotetype (Just creds) config
where
creds = (T.unpack ak, T.unpack sk)
{- AWS services use the remote name as the basis for a host
- name, so filter it to contain valid characters. -}
hostname = case filter isAlphaNum name of
[] -> "aws"
n -> n
getRepoInfo :: RemoteConfig -> Widget
getRepoInfo c = [whamlet|S3 remote using bucket: #{bucket}|]
where
bucket = fromMaybe "" $ M.lookup "bucket" c
#ifdef WITH_S3
previouslyUsedAWSCreds :: Annex (Maybe CredPair)
previouslyUsedAWSCreds = getM gettype [S3.remote, Glacier.remote]
where
gettype t = previouslyUsedCredPair AWS.creds t $
not . S3.configIA . Remote.config
#endif