On Tue, Feb 04, 2014 at 01:21:59PM +0100, Michele Tartara wrote:
> On Fri, Jan 31, 2014 at 11:46 AM, Jose A. Lopes <[email protected]> wrote:
> > ... including, user, group, daemonizing code with command line
> > options, integration with the Snap HTTP server, and logic.
> >
> > Signed-off-by: Jose A. Lopes <[email protected]>
> > ---
> > .gitignore | 1 +
> > Makefile.am | 5 +++
> > configure.ac | 7 ++++
> > src/AutoConf.hs.in | 8 +++-
> > src/Ganeti/Constants.hs | 25 ++++++++---
> > src/Ganeti/Metad.hs | 94
> > ++++++++++++++++++++++++++++++++++++++++++
> > src/Ganeti/Runtime.hs | 8 +++-
> > src/ganeti-metad.hs | 48 +++++++++++++++++++++
> > test/hs/Test/Ganeti/Runtime.hs | 2 +
> > 9 files changed, 191 insertions(+), 7 deletions(-)
> > create mode 100644 src/Ganeti/Metad.hs
> > create mode 100644 src/ganeti-metad.hs
> >
> > diff --git a/.gitignore b/.gitignore
> > index ccde486..a02b0df 100644
> > --- a/.gitignore
> > +++ b/.gitignore
> > @@ -140,6 +140,7 @@
> > /src/ganeti-confd
> > /src/ganeti-kvmd
> > /src/ganeti-luxid
> > +/src/ganeti-metad
> > /src/ganeti-mond
> > /src/rpc-test
> >
> > diff --git a/Makefile.am b/Makefile.am
> > index 78a1318..e5d0594 100644
> > --- a/Makefile.am
> > +++ b/Makefile.am
> > @@ -595,6 +595,7 @@ endif
> > # Haskell programs to be compiled by "make really-all"
> > HS_COMPILE_PROGS= \
> > src/ganeti-kvmd \
> > + src/ganeti-metad \
> > src/ganeti-mond \
> > src/hconfd \
> > src/hluxid \
> > @@ -713,6 +714,7 @@ HS_LIB_SRCS = \
> > src/Ganeti/Logging.hs \
> > src/Ganeti/Luxi.hs \
> > src/Ganeti/Monitoring/Server.hs \
> > + src/Ganeti/Metad.hs \
> > src/Ganeti/Network.hs \
> > src/Ganeti/Objects.hs \
> > src/Ganeti/OpCodes.hs \
> > @@ -1072,6 +1074,7 @@ src/ganeti-luxid: src/hluxid
> > nodist_sbin_SCRIPTS += src/ganeti-confd
> > nodist_sbin_SCRIPTS += src/ganeti-luxid
> > nodist_sbin_SCRIPTS += src/ganeti-kvmd
> > +nodist_sbin_SCRIPTS += src/ganeti-metad
> > endif
> >
> > if ENABLE_MOND
> > @@ -1849,6 +1852,8 @@ src/AutoConf.hs: Makefile src/AutoConf.hs.in
> > $(PRINT_PY_CONSTANTS) \
> > -DADMIN_GROUP="$(ADMIN_GROUP)" \
> > -DMASTERD_USER="$(MASTERD_USER)" \
> > -DMASTERD_GROUP="$(MASTERD_GROUP)" \
> > + -DMETAD_USER="$(METAD_USER)" \
> > + -DMETAD_GROUP="$(METAD_GROUP)" \
> > -DRAPI_USER="$(RAPI_USER)" \
> > -DRAPI_GROUP="$(RAPI_GROUP)" \
> > -DCONFD_USER="$(CONFD_USER)" \
> > diff --git a/configure.ac b/configure.ac
> > index 47df82d..4d9cde4 100644
> > --- a/configure.ac
> > +++ b/configure.ac
> > @@ -225,6 +225,7 @@ AC_ARG_WITH([user-prefix],
> > [ to change the default)]
> > )],
> > [user_masterd="${withval}masterd";
> > + user_metad="${withval}metad";
> > user_rapi="${withval}rapi";
> > user_confd="${withval}confd";
> > user_kvmd="$user_default";
> > @@ -232,6 +233,7 @@ AC_ARG_WITH([user-prefix],
> > user_noded="$user_default";
> > user_mond="$user_default"],
> > [user_masterd="$user_default";
> > + user_metad="$user_default";
> > user_rapi="$user_default";
> > user_confd="$user_default";
> > user_kvmd="$user_default";
> > @@ -239,6 +241,7 @@ AC_ARG_WITH([user-prefix],
> > user_noded="$user_default";
> > user_mond="$user_default"])
> > AC_SUBST(MASTERD_USER, $user_masterd)
> > +AC_SUBST(METAD_USER, $user_metad)
> > AC_SUBST(RAPI_USER, $user_rapi)
> > AC_SUBST(CONFD_USER, $user_confd)
> > AC_SUBST(KVMD_USER, $user_kvmd)
> > @@ -259,6 +262,7 @@ AC_ARG_WITH([group-prefix],
> > group_kvmd="$group_default";
> > group_luxid="${withval}luxid";
> > group_masterd="${withval}masterd";
> > + group_metad="${withval}metad";
> > group_noded="$group_default";
> > group_daemons="${withval}daemons";
> > group_mond="$group_default"],
> > @@ -268,6 +272,7 @@ AC_ARG_WITH([group-prefix],
> > group_kvmd="$group_default";
> > group_luxid="$group_default";
> > group_masterd="$group_default";
> > + group_metad="$group_default";
> > group_noded="$group_default";
> > group_daemons="$group_default";
> > group_mond="$group_default"])
> > @@ -277,12 +282,14 @@ AC_SUBST(CONFD_GROUP, $group_confd)
> > AC_SUBST(KVMD_GROUP, $group_kvmd)
> > AC_SUBST(LUXID_GROUP, $group_luxid)
> > AC_SUBST(MASTERD_GROUP, $group_masterd)
> > +AC_SUBST(METAD_GROUP, $group_metad)
> > AC_SUBST(NODED_GROUP, $group_noded)
> > AC_SUBST(DAEMONS_GROUP, $group_daemons)
> > AC_SUBST(MOND_GROUP, $group_mond)
> >
> > # Print the config to the user
> > AC_MSG_NOTICE([Running ganeti-masterd as $group_masterd:$group_masterd])
> > +AC_MSG_NOTICE([Running ganeti-metad as $group_metad:$group_metad])
> > AC_MSG_NOTICE([Running ganeti-rapi as $user_rapi:$group_rapi])
> > AC_MSG_NOTICE([Running ganeti-confd as $user_confd:$group_confd])
> > AC_MSG_NOTICE([Running ganeti-luxid as $user_luxid:$group_luxid])
> > diff --git a/src/AutoConf.hs.in b/src/AutoConf.hs.in
> > index 44720aa..c108873 100644
> > --- a/src/AutoConf.hs.in
> > +++ b/src/AutoConf.hs.in
> > @@ -7,7 +7,7 @@ from @AutoConf.hs.in@.
> >
> > {-
> >
> > -Copyright (C) 2013 Google Inc.
> > +Copyright (C) 2013, 2014 Google Inc.
> >
> > This program is free software; you can redistribute it and/or modify
> > it under the terms of the GNU General Public License as published by
> > @@ -157,6 +157,12 @@ masterdUser = "MASTERD_USER"
> > masterdGroup :: String
> > masterdGroup = "MASTERD_GROUP"
> >
> > +metadUser :: String
> > +metadUser = "METAD_USER"
> > +
> > +metadGroup :: String
> > +metadGroup = "METAD_GROUP"
> > +
> > rapiUser :: String
> > rapiUser = "RAPI_USER"
> >
> > diff --git a/src/Ganeti/Constants.hs b/src/Ganeti/Constants.hs
> > index 1a40403..9df4f1f 100644
> > --- a/src/Ganeti/Constants.hs
> > +++ b/src/Ganeti/Constants.hs
> > @@ -200,6 +200,12 @@ masterdUser = Runtime.daemonUser GanetiMasterd
> > masterdGroup :: String
> > masterdGroup = Runtime.daemonGroup (DaemonGroup GanetiMasterd)
> >
> > +metadUser :: String
> > +metadUser = Runtime.daemonUser GanetiMetad
> > +
> > +metadGroup :: String
> > +metadGroup = Runtime.daemonGroup (DaemonGroup GanetiMetad)
> > +
> > rapiUser :: String
> > rapiUser = Runtime.daemonUser GanetiRapi
> >
> > @@ -335,6 +341,9 @@ confd = Runtime.daemonName GanetiConfd
> > masterd :: String
> > masterd = Runtime.daemonName GanetiMasterd
> >
> > +metad :: String
> > +metad = Runtime.daemonName GanetiMetad
> > +
> > mond :: String
> > mond = Runtime.daemonName GanetiMond
> >
> > @@ -365,6 +374,9 @@ defaultConfdPort = 1814
> > defaultMondPort :: Int
> > defaultMondPort = 1815
> >
> > +defaultMetadPort :: Int
> > +defaultMetadPort = 8080
> > +
> > defaultNodedPort :: Int
> > defaultNodedPort = 1811
> >
> > @@ -373,11 +385,14 @@ defaultRapiPort = 5080
> >
> > daemonsPorts :: Map String (Protocol, Int)
> > daemonsPorts =
> > - Map.fromList [(confd, (Udp, defaultConfdPort)),
> > - (mond, (Tcp, defaultMondPort)),
> > - (noded, (Tcp, defaultNodedPort)),
> > - (rapi, (Tcp, defaultRapiPort)),
> > - (ssh, (Tcp, 22))]
> > + Map.fromList
> > + [ (confd, (Udp, defaultConfdPort))
> > + , (metad, (Tcp, defaultMetadPort))
> > + , (mond, (Tcp, defaultMondPort))
> > + , (noded, (Tcp, defaultNodedPort))
> > + , (rapi, (Tcp, defaultRapiPort))
> > + , (ssh, (Tcp, 22))
> > + ]
> >
> > firstDrbdPort :: Int
> > firstDrbdPort = 11000
> > diff --git a/src/Ganeti/Metad.hs b/src/Ganeti/Metad.hs
> > new file mode 100644
> > index 0000000..535d9a0
> > --- /dev/null
> > +++ b/src/Ganeti/Metad.hs
> > @@ -0,0 +1,94 @@
> > +{-| Metadata daemon
> > +
> > +-}
> > +
> > +{-
> > +
> > +Copyright (C) 2014 Google Inc.
> > +
> > +This program is free software; you can redistribute it and/or modify
> > +it under the terms of the GNU General Public License as published by
> > +the Free Software Foundation; either version 2 of the License, or
> > +(at your option) any later version.
> > +
> > +This program is distributed in the hope that it will be useful, but
> > +WITHOUT ANY WARRANTY; without even the implied warranty of
> > +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
> > +General Public License for more details.
> > +
> > +You should have received a copy of the GNU General Public License
> > +along with this program; if not, write to the Free Software
> > +Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
> > +02110-1301, USA.
> > +
> > +-}
> > +
> > +module Ganeti.Metad (start) where
> > +
> > +import Control.Applicative
> > +import Control.Monad.IO.Class (liftIO)
> > +import qualified Data.ByteString.Char8 as ByteString (pack, unpack)
> > +import Snap.Core
> > +import Snap.Http.Server
> > +
> > +import Ganeti.Daemon
> > +import qualified Ganeti.Constants as Constants
> > +import qualified Ganeti.Logging as Logging
> > +import Ganeti.Runtime (GanetiDaemon(..), ExtraLogReason(..))
> > +import qualified Ganeti.Runtime as Runtime
> > +
> > +type MetaM = Snap ()
> > +
> > +error404 :: MetaM
> > +error404 = do
> > + modifyResponse . setResponseStatus 404 $ ByteString.pack "Not found"
> > + writeBS $ ByteString.pack "Resource not found"
> > +
> > +handleMetadata :: Method -> String -> String -> String -> MetaM
> > +handleMetadata GET "ganeti" "latest" "meta_data.json" =
> > + liftIO $ Logging.logInfo "ganeti metadata"
> > +handleMetadata GET "ganeti" "latest" "os/parameters.json" =
> > + liftIO $ Logging.logInfo "ganeti OS parameters"
> > +handleMetadata GET "ganeti" "latest" "read" =
> > + liftIO $ Logging.logInfo "ganeti READ"
> > +handleMetadata POST "ganeti" "latest" "write" =
> > + liftIO $ Logging.logInfo "ganeti WRITE"
> > +handleMetadata _ _ _ _ = error404
>
> This isn't returning any actual data yet, right?
>
Right.
> > +
> > +routeMetadata :: MetaM
> > +routeMetadata =
> > + route [ (providerRoute1, dispatchMetadata)
> > + , (providerRoute2, dispatchMetadata)
> > + ] <|> dispatchMetadata
> > + where provider = "provider"
> > + version = "version"
> > +
> > + providerRoute1 = ByteString.pack $ ':':provider ++ "/" ++
> > ':':version
> > + providerRoute2 = ByteString.pack $ ':':version
> > +
> > + getParamString :: String -> Snap String
> > + getParamString =
> > + fmap (maybe "" ByteString.unpack) . getParam . ByteString.pack
> > +
> > + dispatchMetadata =
> > + do m <- rqMethod <$> getRequest
> > + p <- getParamString provider
> > + v <- getParamString version
> > + r <- ByteString.unpack . rqPathInfo <$> getRequest
> > + handleMetadata m p v r
> > +
> > +defaultHttpConf :: DaemonOptions -> FilePath -> FilePath -> Config Snap ()
> > +defaultHttpConf opts accessLog errorLog =
> > + maybe id (setBind . ByteString.pack) (optBindAddress opts) .
> > + setAccessLog (ConfigFileLog accessLog) .
> > + setCompression False .
> > + setErrorLog (ConfigFileLog errorLog) .
> > + setPort (maybe Constants.defaultMetadPort fromIntegral (optPort opts)) .
> > + setVerbose False $
> > + emptyConfig
> > +
> > +start :: DaemonOptions -> IO ()
> > +start opts = do
> > + accessLog <- Runtime.daemonsExtraLogFile GanetiMetad AccessLog
> > + errorLog <- Runtime.daemonsExtraLogFile GanetiMetad ErrorLog
> > + httpServe (defaultHttpConf opts accessLog errorLog) routeMetadata
> > diff --git a/src/Ganeti/Runtime.hs b/src/Ganeti/Runtime.hs
> > index 7a299a2..eddcee7 100644
> > --- a/src/Ganeti/Runtime.hs
> > +++ b/src/Ganeti/Runtime.hs
> > @@ -4,7 +4,7 @@
> >
> > {-
> >
> > -Copyright (C) 2011, 2012, 2013 Google Inc.
> > +Copyright (C) 2011, 2012, 2013, 2014 Google Inc.
> >
> > This program is free software; you can redistribute it and/or modify
> > it under the terms of the GNU General Public License as published by
> > @@ -60,6 +60,7 @@ import Ganeti.BasicTypes
> > import AutoConf
> >
> > data GanetiDaemon = GanetiMasterd
> > + | GanetiMetad
> > | GanetiNoded
> > | GanetiRapi
> > | GanetiConfd
> > @@ -81,6 +82,7 @@ type RuntimeEnts = (M.Map GanetiDaemon UserID, M.Map
> > GanetiGroup GroupID)
> > -- | Returns the daemon name for a given daemon.
> > daemonName :: GanetiDaemon -> String
> > daemonName GanetiMasterd = "ganeti-masterd"
> > +daemonName GanetiMetad = "ganeti-metad"
> > daemonName GanetiNoded = "ganeti-noded"
> > daemonName GanetiRapi = "ganeti-rapi"
> > daemonName GanetiConfd = "ganeti-confd"
> > @@ -91,6 +93,7 @@ daemonName GanetiMond = "ganeti-mond"
> > -- | Returns whether the daemon only runs on the master node.
> > daemonOnlyOnMaster :: GanetiDaemon -> Bool
> > daemonOnlyOnMaster GanetiMasterd = True
> > +daemonOnlyOnMaster GanetiMetad = False
> > daemonOnlyOnMaster GanetiNoded = False
> > daemonOnlyOnMaster GanetiRapi = False
> > daemonOnlyOnMaster GanetiConfd = False
> > @@ -101,6 +104,7 @@ daemonOnlyOnMaster GanetiMond = False
> > -- | Returns the log file base for a daemon.
> > daemonLogBase :: GanetiDaemon -> String
> > daemonLogBase GanetiMasterd = "master-daemon"
> > +daemonLogBase GanetiMetad = "meta-daemon"
> > daemonLogBase GanetiNoded = "node-daemon"
> > daemonLogBase GanetiRapi = "rapi-daemon"
> > daemonLogBase GanetiConfd = "conf-daemon"
> > @@ -111,6 +115,7 @@ daemonLogBase GanetiMond = "monitoring-daemon"
> > -- | Returns the configured user name for a daemon.
> > daemonUser :: GanetiDaemon -> String
> > daemonUser GanetiMasterd = AutoConf.masterdUser
> > +daemonUser GanetiMetad = AutoConf.metadUser
> > daemonUser GanetiNoded = AutoConf.nodedUser
> > daemonUser GanetiRapi = AutoConf.rapiUser
> > daemonUser GanetiConfd = AutoConf.confdUser
> > @@ -121,6 +126,7 @@ daemonUser GanetiMond = AutoConf.mondUser
> > -- | Returns the configured group for a daemon.
> > daemonGroup :: GanetiGroup -> String
> > daemonGroup (DaemonGroup GanetiMasterd) = AutoConf.masterdGroup
> > +daemonGroup (DaemonGroup GanetiMetad) = AutoConf.metadGroup
> > daemonGroup (DaemonGroup GanetiNoded) = AutoConf.nodedGroup
> > daemonGroup (DaemonGroup GanetiRapi) = AutoConf.rapiGroup
> > daemonGroup (DaemonGroup GanetiConfd) = AutoConf.confdGroup
> > diff --git a/src/ganeti-metad.hs b/src/ganeti-metad.hs
> > new file mode 100644
> > index 0000000..28529b6
> > --- /dev/null
> > +++ b/src/ganeti-metad.hs
> > @@ -0,0 +1,48 @@
> > +{-| Metadata daemon.
> > +
> > +-}
> > +
> > +{-
> > +
> > +Copyright (C) 2014 Google Inc.
> > +
> > +This program is free software; you can redistribute it and/or modify
> > +it under the terms of the GNU General Public License as published by
> > +the Free Software Foundation; either version 2 of the License, or
> > +(at your option) any later version.
> > +
> > +This program is distributed in the hope that it will be useful, but
> > +WITHOUT ANY WARRANTY; without even the implied warranty of
> > +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
> > +General Public License for more details.
> > +
> > +You should have received a copy of the GNU General Public License
> > +along with this program; if not, write to the Free Software
> > +Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
> > +02110-1301, USA.
> > +
> > +-}
> > +
> > +module Main (main) where
> > +
> > +import qualified Ganeti.Constants as Constants
> > +import Ganeti.Daemon (OptType)
> > +import qualified Ganeti.Daemon as Daemon
> > +import qualified Ganeti.Metad as Metad
> > +import qualified Ganeti.Runtime as Runtime
> > +
> > +options :: [OptType]
> > +options =
> > + [ Daemon.oBindAddress
> > + , Daemon.oDebug
> > + , Daemon.oNoDaemonize
> > + , Daemon.oNoUserChecks
> > + , Daemon.oPort Constants.defaultMetadPort
> > + ]
> > +
> > +main :: IO ()
> > +main =
> > + Daemon.genericMain Runtime.GanetiMetad options
> > + (\_ -> return . Right $ ())
> > + (\_ _ -> return ())
> > + (\opts _ _ -> Metad.start opts)
> > diff --git a/test/hs/Test/Ganeti/Runtime.hs b/test/hs/Test/Ganeti/Runtime.hs
> > index 605859f..f75fc42 100644
> > --- a/test/hs/Test/Ganeti/Runtime.hs
> > +++ b/test/hs/Test/Ganeti/Runtime.hs
> > @@ -85,6 +85,7 @@ case_UsersGroups = do
> > \ constants.CONFD_USER,\n\
> > \ constants.KVMD_USER,\n\
> > \ constants.LUXID_USER,\n\
> > + \ constants.METAD_USER,\n\
> > \ constants.MOND_USER,\n\
> > \ ]\n\
> > \groups = [constants.MASTERD_GROUP,\n\
> > @@ -93,6 +94,7 @@ case_UsersGroups = do
> > \ constants.CONFD_GROUP,\n\
> > \ constants.KVMD_GROUP,\n\
> > \ constants.LUXID_GROUP,\n\
> > + \ constants.METAD_GROUP,\n\
> > \ constants.MOND_GROUP,\n\
> > \ constants.DAEMONS_GROUP,\n\
> > \ constants.ADMIN_GROUP,\n\
> > --
> > 1.8.5.3
> >
>
> Thanks,
> Michele
>
> --
> Google Germany GmbH
> Dienerstr. 12
> 80331 München
>
> Registergericht und -nummer: Hamburg, HRB 86891
> Sitz der Gesellschaft: Hamburg
> Geschäftsführer: Graham Law, Christine Elizabeth Flores
--
Jose Antonio Lopes
Ganeti Engineering
Google Germany GmbH
Dienerstr. 12, 80331, München
Registergericht und -nummer: Hamburg, HRB 86891
Sitz der Gesellschaft: Hamburg
Geschäftsführer: Graham Law, Christine Elizabeth Flores
Steuernummer: 48/725/00206
Umsatzsteueridentifikationsnummer: DE813741370