Remove old "reason" implementation

[ganeti-local] / INSTALL

diff --git a/INSTALL b/INSTALL
index 6d36a61..5f72d1b 100644 (file)
--- a/INSTALL
+++ b/INSTALL
@@ -29,26 +29,24 @@ Before installing, please verify that you have the following programs:
 - `iproute2 <http://www.linuxfoundation.org/en/Net:Iproute2>`_
 - `arping <http://www.skbuff.net/iputils/>`_ (part of iputils)
 - `ndisc6 <http://www.remlab.net/ndisc6/>`_ (if using IPv6)
 - `iproute2 <http://www.linuxfoundation.org/en/Net:Iproute2>`_
 - `arping <http://www.skbuff.net/iputils/>`_ (part of iputils)
 - `ndisc6 <http://www.remlab.net/ndisc6/>`_ (if using IPv6)

-- `Python <http://www.python.org/>`_, version 2.4 or above, not 3.0
+- `Python <http://www.python.org/>`_, version 2.6 or above, not 3.0

 - `Python OpenSSL bindings <http://pyopenssl.sourceforge.net/>`_
 - `simplejson Python module <http://code.google.com/p/simplejson/>`_
 - `pyparsing Python module <http://pyparsing.wikispaces.com/>`_, version
   1.4.6 or above
 - `Python OpenSSL bindings <http://pyopenssl.sourceforge.net/>`_
 - `simplejson Python module <http://code.google.com/p/simplejson/>`_
 - `pyparsing Python module <http://pyparsing.wikispaces.com/>`_, version
   1.4.6 or above

-- `pyinotify Python module <http://trac.dbzteam.org/pyinotify/>`_
+- `pyinotify Python module <https://github.com/seb-m/pyinotify>`_

 - `PycURL Python module <http://pycurl.sourceforge.net/>`_
 - `PycURL Python module <http://pycurl.sourceforge.net/>`_

-- `ctypes Python module
-  <http://starship.python.net/crew/theller/ctypes/>`_, if running on
-  python 2.4 (optional, used for node daemon memory locking)

 - `socat <http://www.dest-unreach.org/socat/>`_, see :ref:`note
   <socat-note>` below
 - `socat <http://www.dest-unreach.org/socat/>`_, see :ref:`note
   <socat-note>` below

-- `Paramiko <http://www.lag.net/paramiko/>`_, if you want automated SSH
-  setup; optional otherwise but manual setup of the nodes required
+- `Paramiko <http://www.lag.net/paramiko/>`_, if you want to use
+  ``ganeti-listrunner``

 - `affinity Python module <http://pypi.python.org/pypi/affinity/0.1.0>`_,
   optional python package for supporting CPU pinning under KVM
 - `affinity Python module <http://pypi.python.org/pypi/affinity/0.1.0>`_,
   optional python package for supporting CPU pinning under KVM

-- `ElementTree Python module <http://effbot.org/zone/element-index.htm>`_,
-  if running on python 2.4 (optional, used by the ``ovfconverter`` tool)

 - `qemu-img <http://qemu.org/>`_, if you want to use ``ovfconverter``
 - `fping <http://fping.sourceforge.net/>`_
 - `qemu-img <http://qemu.org/>`_, if you want to use ``ovfconverter``
 - `fping <http://fping.sourceforge.net/>`_

+- `Python IP address manipulation library
+  <http://code.google.com/p/ipaddr-py/>`_
+- `Bitarray Python library <http://pypi.python.org/pypi/bitarray/>`_

 
 These programs are supplied as part of most Linux distributions, so
 usually they can be installed via the standard package manager. Also
 
 These programs are supplied as part of most Linux distributions, so
 usually they can be installed via the standard package manager. Also

@@ -59,7 +57,8 @@ packages, except for RBD, DRBD and Xen::
   $ apt-get install lvm2 ssh bridge-utils iproute iputils-arping \
                     ndisc6 python python-pyopenssl openssl \
                     python-pyparsing python-simplejson \
   $ apt-get install lvm2 ssh bridge-utils iproute iputils-arping \
                     ndisc6 python python-pyopenssl openssl \
                     python-pyparsing python-simplejson \

-                    python-pyinotify python-pycurl socat fping
+                    python-pyinotify python-pycurl socat fping \
+                    python-ipaddr python-bitarray

 
 Note that this does not install optional packages::
 
 
 Note that this does not install optional packages::
 

@@ -69,16 +68,18 @@ If some of the python packages are not available in your system,
 you can try installing them using ``easy_install`` command.
 For example::
 
 you can try installing them using ``easy_install`` command.
 For example::
 

-  $ apt-get install python-setuptools
+  $ apt-get install python-setuptools python-dev

   $ cd / && sudo easy_install \
   $ cd / && sudo easy_install \

-            affinity
+            affinity \
+            bitarray \
+            ipaddr \

 
 
 On Fedora to install all required packages except RBD, DRBD and Xen::
 
   $ yum install openssh openssh-clients bridge-utils iproute ndisc6 \
                 pyOpenSSL pyparsing python-simplejson python-inotify \
 
 
 On Fedora to install all required packages except RBD, DRBD and Xen::
 
   $ yum install openssh openssh-clients bridge-utils iproute ndisc6 \
                 pyOpenSSL pyparsing python-simplejson python-inotify \

-                python-lxm socat fping
+                python-lxm socat fping python-bitarray python-ipaddr

 
 For optional packages use the command::
 
 
 For optional packages use the command::
 

@@ -103,7 +104,7 @@ dependencies.
   distributions need to apply the patches on their own.
 
   Ganeti will use the option if it's detected by the ``configure``
   distributions need to apply the patches on their own.
 
   Ganeti will use the option if it's detected by the ``configure``

-  script; auto-detection can be disabled by explicitely passing
+  script; auto-detection can be disabled by explicitly passing

   ``--enable-socat-compress`` (use the option to disable compression) or
   ``--disable-socat-compress`` (don't use the option).
 
   ``--enable-socat-compress`` (use the option to disable compression) or
   ``--disable-socat-compress`` (don't use the option).
 

@@ -113,11 +114,9 @@ dependencies.
 Haskell requirements
 ~~~~~~~~~~~~~~~~~~~~
 
 Haskell requirements
 ~~~~~~~~~~~~~~~~~~~~
 

-If you want to enable the `htools` component, which is recommended on
-bigger deployments (this give you automatic instance placement, cluster
-balancing, etc.), then you need to have a Haskell compiler installed on
-your build machine (but this is not required on the machines which are
-just going to run Ganeti). More specifically:
+Starting with Ganeti 2.7, the Haskell GHC compiler and a few base
+libraries are required in order to build Ganeti (but not to run and
+deploy Ganeti on production machines). More specifically:

 
 - `GHC <http://www.haskell.org/ghc/>`_ version 6.12 or higher
 - or even better, `The Haskell Platform
 
 - `GHC <http://www.haskell.org/ghc/>`_ version 6.12 or higher
 - or even better, `The Haskell Platform

@@ -128,70 +127,94 @@ just going to run Ganeti). More specifically:
   network library
 - `parallel <http://hackage.haskell.org/package/parallel>`_, a parallel
   programming library (note: tested with up to version 3.x)
   network library
 - `parallel <http://hackage.haskell.org/package/parallel>`_, a parallel
   programming library (note: tested with up to version 3.x)

-- `curl <http://hackage.haskell.org/package/curl>`_, bindings for the
-  curl library, only needed if you want these tools to connect to remote
-  clusters (as opposed to the local one)
+- `bytestring <http://hackage.haskell.org/package/bytestring>`_ and
+  `utf8-string <http://hackage.haskell.org/package/utf8-string>`_
+  libraries; these usually come with the GHC compiler
+- `deepseq <http://hackage.haskell.org/package/deepseq>`_
+- `curl <http://hackage.haskell.org/package/curl>`_, tested with
+  versions 1.3.4 and above

 
 

-All of these are also available as package in Debian/Ubuntu::
+Some of these are also available as package in Debian/Ubuntu::

 
   $ apt-get install ghc6 libghc6-json-dev libghc6-network-dev \
 
   $ apt-get install ghc6 libghc6-json-dev libghc6-network-dev \

-                    libghc6-parallel-dev libghc6-curl-dev
+                    libghc6-parallel-dev libghc6-deepseq-dev \
+                    libghc6-curl-dev

 
 

-Or in Fedora running::
+Or in newer versions of these distributions (using GHC 7.x)::

 
 

-  $ yum install ghc ghc-json-devel ghc-network-devel ghc-parallel-devel
-
-The most recent Fedora doesn't provide ``ghc-curl``. So this needs to be
-installed using ``cabal`` or alternatively htools can be build without
-curl support.
+  $ apt-get install ghc libghc-json-dev libghc-network-dev \
+                    libghc-parallel-dev libghc-deepseq-dev \
+                    libghc-utf8-string-dev libghc-curl-dev

 
 

-Note that more recent version have switched to GHC 7.x and the packages
-were renamed::
+In Fedora, some of them are available via packages as well::

 
 

-  $ apt-get install ghc libghc-json-dev libghc-network-dev \
-                    libghc-parallel-dev libghc-curl-dev
+  $ yum install ghc ghc-json-devel ghc-network-devel \
+                    ghc-parallel-devel ghc-deepseq-devel

 
 If using a distribution which does not provide them, first install
 
 If using a distribution which does not provide them, first install

-the Haskell platform. You can also install ``cabal`` manualy::
+the Haskell platform. You can also install ``cabal`` manually::

 
   $ apt-get install cabal-install
 
 Then install the additional libraries via
 ``cabal``::
 
 
   $ apt-get install cabal-install
 
 Then install the additional libraries via
 ``cabal``::
 

-  $ cabal install json network parallel curl
+  $ cabal install json network parallel utf8-string curl

 
 

-The compilation of the htools components is automatically enabled when
-the compiler and the requisite libraries are found. You can use the
-``--enable-htools`` configure flag to force the selection (at which
-point ``./configure`` will fail if it doesn't find the prerequisites).
+Haskell optional features
+~~~~~~~~~~~~~~~~~~~~~~~~~

 
 

-In Ganeti version 2.6, one of the daemons (``ganeti-confd``) is shipped
-in two versions: the Python default version (which has no extra
-dependencies), and an experimental Haskell version. This latter version
-can be enabled via the ``./configure`` flag ``--enable-confd=haskell``
-and a few has extra dependencies:
+Optionally, more functionality can be enabled if your build machine has
+a few more Haskell libraries enabled: the ``ganeti-confd`` daemon
+(``--enable-confd``) and the monitoring daemon
+(``--enable-mond``). The list of extra dependencies for these is:

 
 - `hslogger <http://software.complete.org/hslogger>`_, version 1.1 and
   above (note that Debian Squeeze only has version 1.0.9)
 - `Crypto <http://hackage.haskell.org/package/Crypto>`_, tested with
   version 4.2.4
 - `text <http://hackage.haskell.org/package/text>`_
 
 - `hslogger <http://software.complete.org/hslogger>`_, version 1.1 and
   above (note that Debian Squeeze only has version 1.0.9)
 - `Crypto <http://hackage.haskell.org/package/Crypto>`_, tested with
   version 4.2.4
 - `text <http://hackage.haskell.org/package/text>`_

-- ``bytestring``, which usually comes with the compiler
-- `hinotify <http://hackage.haskell.org/package/hinotify>`_
-
-These libraries are available in Debian Wheezy (but not in Squeeze), so
-you can use either apt::
+- `hinotify <http://hackage.haskell.org/package/hinotify>`_, tested with
+  version 0.3.2
+- `regex-pcre <http://hackage.haskell.org/package/regex-pcre>`_,
+  bindings for the ``pcre`` library
+- `attoparsec <http://hackage.haskell.org/package/attoparsec>`_
+- `vector <http://hackage.haskell.org/package/vector>`_
+- `snap-server` <http://hackage.haskell.org/package/snap-server>`_, version
+  0.8.1 and above.
+
+These libraries are available in Debian Wheezy (but not in Squeeze, with
+the exception of curl), so you can use either apt::

 
   $ apt-get install libghc-hslogger-dev libghc-crypto-dev libghc-text-dev \
 
   $ apt-get install libghc-hslogger-dev libghc-crypto-dev libghc-text-dev \

-                    libghc-hinotify-dev
+                    libghc-hinotify-dev libghc-regex-pcre-dev \
+                    libghc-attoparsec-dev libghc-vector-dev \
+                    libghc-snap-server-dev

 
 

-or ``cabal``::
+or ``cabal``, after installing a required non-Haskell dependency::

 
 

-  $ cabal install hslogger Crypto text hinotify
+  $ apt-get install libpcre3-dev
+  $ cabal install hslogger Crypto text hinotify regex-pcre \
+                  attoparsec vector snap-server

 
 to install them.
 
 
 to install them.
 

+In case you still use ghc-6.12, note that ``cabal`` would automatically try to
+install newer versions of some of the libraries snap-server depends on, that
+cannot be compiled with ghc-6.12, so you have to install snap-server on its
+own, esplicitly forcing the installation of compatible versions::
+
+  $ cabal install MonadCatchIO-transformers==0.2.2.0 mtl==2.0.1.0 \
+                  hashable==1.1.2.0 case-insensitive==0.3 parsec==3.0.1 \
+                  network==2.3 snap-server==0.8.1
+
+The most recent Fedora doesn't provide ``crypto``, ``inotify``. So these
+need to be installed using ``cabal``, if desired. The other packages can
+be installed via ``yum``::
+
+  $ yum install ghc-hslogger-devel ghc-text-devel \
+                ghc-regex-pcre-devel
+

 .. _cabal-note:
 .. note::
   If one of the cabal packages fails to install due to unfulfilled
 .. _cabal-note:
 .. note::
   If one of the cabal packages fails to install due to unfulfilled