X-Git-Url: https://code.grnet.gr/git/ganeti-local/blobdiff_plain/fc6075ddca3f4f61ddb34ff135cf7d82fa561e7e..e055a2ab54a41998d41192afb462837ba5eb27b9:/INSTALL diff --git a/INSTALL b/INSTALL index 7dc402a..a2b9cc5 100644 --- a/INSTALL +++ b/INSTALL @@ -41,14 +41,17 @@ Before installing, please verify that you have the following programs: python 2.4 (optional, used for node daemon memory locking) - `socat `_, see :ref:`note ` below -- `Paramiko `_, if you want automated SSH - setup; optional otherwise but manual setup of the nodes required +- `Paramiko `_, if you want to use + ``ganeti-listrunner`` - `affinity Python module `_, optional python package for supporting CPU pinning under KVM - `ElementTree Python module `_, if running on python 2.4 (optional, used by the ``ovfconverter`` tool) - `qemu-img `_, if you want to use ``ovfconverter`` - `fping `_ +- `Python IP address manipulation library + `_ +- `Bitarray Python library `_ These programs are supplied as part of most Linux distributions, so usually they can be installed via the standard package manager. Also @@ -103,7 +106,7 @@ dependencies. 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). @@ -113,11 +116,9 @@ dependencies. 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 `_ version 6.12 or higher - or even better, `The Haskell Platform @@ -128,68 +129,85 @@ just going to run Ganeti). More specifically: network library - `parallel `_, a parallel programming library (note: tested with up to version 3.x) -- `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 `_ and + `utf8-string `_ + libraries; these usually come with the GHC compiler +- `deepseq `_ -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 \ - libghc6-parallel-dev libghc6-curl-dev + libghc6-parallel-dev libghc6-deepseq-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 -Note that more recent version have switched to GHC 7.x and the packages -were renamed:: +In Fedora, they 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 -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``:: - $ cabal install json network parallel curl + $ cabal install json network parallel utf8-string 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). -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: +Haskell optional features +~~~~~~~~~~~~~~~~~~~~~~~~~ + +Optionally, more functionality can be enabled if your build machine has +a few more Haskell libraries enabled: RAPI access to remote cluster from +htools (``--enable-htools-rapi``), the ``ganeti-confd`` +daemon (``--enable-confd``) and the monitoring agent +(``--enable-monitoring``). The list of extra dependencies for these is: + +- `curl `_, tested with + versions 1.3.4 and above - `hslogger `_, version 1.1 and above (note that Debian Squeeze only has version 1.0.9) - `Crypto `_, tested with version 4.2.4 - `text `_ -- ``bytestring``, which usually comes with the compiler +- `hinotify `_ +- `regex-pcre `_, + bindings for the ``pcre`` library +- `attoparsec `_ -These libraries are available in Debian Wheezy (but not in Squeeze), so -you can use either apt:: +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-regex-pcre-dev libghc-curl-dev \ + libghc-attoparsec-dev or ``cabal``:: - $ cabal install hslogger Crypto text + $ cabal install hslogger Crypto text hinotify regex-pcre curl \ + attoparsec to install them. +The most recent Fedora doesn't provide ``curl``, ``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