164 lines
5.2 KiB
Haskell
164 lines
5.2 KiB
Haskell
{- git-annex assistant webapp configurators for Amazon AWS services
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-
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- Copyright 2012 Joey Hess <joey@kitenet.net>
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-
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- Licensed under the GNU AGPL version 3 or higher.
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-}
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{-# LANGUAGE CPP, TypeFamilies, QuasiQuotes, MultiParamTypeClasses, TemplateHaskell, OverloadedStrings, RankNTypes #-}
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module Assistant.WebApp.Configurators.AWS where
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import Assistant.WebApp.Common
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import Assistant.MakeRemote
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import Assistant.Sync
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#ifdef WITH_S3
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import qualified Remote.S3 as S3
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#endif
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import qualified Remote.Glacier as Glacier
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import qualified Remote.Helper.AWS as AWS
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import Logs.Remote
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import qualified Remote
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import Types.Remote (RemoteConfig)
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import Types.StandardGroups
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import Logs.PreferredContent
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import Yesod
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import qualified Data.Text as T
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import qualified Data.Map as M
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awsConfigurator :: Widget -> Handler RepHtml
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awsConfigurator = page "Add an Amazon repository" (Just Config)
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glacierConfigurator :: Widget -> Handler RepHtml
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glacierConfigurator a = do
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ifM (liftIO $ inPath "glacier")
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( awsConfigurator a
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, awsConfigurator needglaciercli
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)
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where
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needglaciercli = $(widgetFile "configurators/needglaciercli")
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data StorageClass = StandardRedundancy | ReducedRedundancy
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deriving (Eq, Enum, Bounded)
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instance Show StorageClass where
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show StandardRedundancy = "STANDARD"
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show ReducedRedundancy = "REDUCED_REDUNDANCY"
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data AWSInput = AWSInput
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{ accessKeyID :: Text
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, secretAccessKey :: Text
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-- Free form text for datacenter because Amazon adds new ones.
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, datacenter :: Text
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-- Only used for S3, not Glacier.
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, storageClass :: StorageClass
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, repoName :: Text
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}
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data AWSCreds = AWSCreds Text Text
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extractCreds :: AWSInput -> AWSCreds
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extractCreds i = AWSCreds (accessKeyID i) (secretAccessKey i)
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s3InputAForm :: AForm WebApp WebApp AWSInput
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s3InputAForm = AWSInput
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<$> areq textField "Access Key ID" Nothing
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<*> areq passwordField "Secret Access Key" Nothing
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<*> areq textField "Datacenter" (Just "US")
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<*> areq (selectFieldList storageclasses) "Storage class" (Just StandardRedundancy)
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<*> areq textField "Repository name" (Just "S3")
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where
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storageclasses :: [(Text, StorageClass)]
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storageclasses =
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[ ("Standard redundancy", StandardRedundancy)
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, ("Reduced redundancy (costs less)", ReducedRedundancy)
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]
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glacierInputAForm :: AForm WebApp WebApp AWSInput
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glacierInputAForm = AWSInput
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<$> areq textField "Access Key ID" Nothing
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<*> areq passwordField "Secret Access Key" Nothing
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<*> areq textField "Datacenter" (Just "us-east-1")
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<*> pure StandardRedundancy
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<*> areq textField "Repository name" (Just "glacier")
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awsCredsAForm :: AForm WebApp WebApp AWSCreds
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awsCredsAForm = AWSCreds
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<$> areq textField "Access Key ID" Nothing
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<*> areq passwordField "Secret Access Key" Nothing
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getAddS3R :: Handler RepHtml
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#ifdef WITH_S3
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getAddS3R = awsConfigurator $ do
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((result, form), enctype) <- lift $
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runFormGet $ renderBootstrap s3InputAForm
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case result of
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FormSuccess input -> lift $ do
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let name = T.unpack $ repoName input
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makeAWSRemote S3.remote (extractCreds input) name setgroup $ M.fromList
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[ ("encryption", "shared")
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, ("type", "S3")
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, ("datacenter", T.unpack $ datacenter input)
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, ("storageclass", show $ storageClass input)
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]
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_ -> $(widgetFile "configurators/adds3")
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where
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setgroup r = runAnnex () $
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setStandardGroup (Remote.uuid r) TransferGroup
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#else
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getAddS3R = error "S3 not supported by this build"
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#endif
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getAddGlacierR :: Handler RepHtml
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getAddGlacierR = glacierConfigurator $ do
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((result, form), enctype) <- lift $
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runFormGet $ renderBootstrap glacierInputAForm
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case result of
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FormSuccess input -> lift $ do
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let name = T.unpack $ repoName input
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makeAWSRemote Glacier.remote (extractCreds input) name setgroup $ M.fromList
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[ ("encryption", "shared")
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, ("type", "glacier")
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, ("datacenter", T.unpack $ datacenter input)
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]
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_ -> $(widgetFile "configurators/addglacier")
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where
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setgroup r = runAnnex () $
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setStandardGroup (Remote.uuid r) SmallArchiveGroup
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getEnableS3R :: UUID -> Handler RepHtml
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#ifdef WITH_S3
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getEnableS3R = awsConfigurator . enableAWSRemote S3.remote
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#else
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getEnableS3R _ = error "S3 not supported by this build"
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#endif
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getEnableGlacierR :: UUID -> Handler RepHtml
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getEnableGlacierR = glacierConfigurator . enableAWSRemote Glacier.remote
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enableAWSRemote :: RemoteType -> UUID -> Widget
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enableAWSRemote remotetype uuid = do
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((result, form), enctype) <- lift $
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runFormGet $ renderBootstrap awsCredsAForm
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case result of
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FormSuccess creds -> lift $ do
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m <- runAnnex M.empty readRemoteLog
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let name = fromJust $ M.lookup "name" $
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fromJust $ M.lookup uuid m
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makeAWSRemote remotetype creds name (const noop) M.empty
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_ -> do
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description <- lift $ runAnnex "" $
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T.pack . concat <$> Remote.prettyListUUIDs [uuid]
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$(widgetFile "configurators/enableaws")
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makeAWSRemote :: RemoteType -> AWSCreds -> String -> (Remote -> Handler ()) -> RemoteConfig -> Handler ()
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makeAWSRemote remotetype (AWSCreds ak sk) name setup config = do
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remotename <- runAnnex name $ fromRepo $ uniqueRemoteName name 0
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liftIO $ AWS.setCredsEnv (T.unpack ak, T.unpack sk)
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r <- liftAssistant $ liftAnnex $ addRemote $ do
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makeSpecialRemote name remotetype config
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return remotename
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setup r
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liftAssistant $ syncNewRemote r
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redirect $ EditNewCloudRepositoryR $ Remote.uuid r
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