From 7b25fd838a71991bf5b2ca5e6efeb607dfe439ea Mon Sep 17 00:00:00 2001 From: "Richard W.M. Jones" Date: Mon, 16 Mar 2015 13:46:38 +0000 Subject: [PATCH] Start mclu version 2. --- .gitignore | 4 - CONFIGURATION | 113 ------------------- COPYING | 339 -------------------------------------------------------- Makefile.am | 66 ----------- README | 99 ----------------- config.py.in | 30 ----- configure.ac | 62 ----------- lib.py | 94 ---------------- libvirt_xml.py | 103 ----------------- m4/.exists | 0 mclu.conf | 43 ------- mclu.in | 29 ----- mclu.py | 109 ------------------ mclu.spec.in | 58 ---------- mclu_build.py | 120 -------------------- mclu_console.py | 64 ----------- mclu_import.py | 108 ------------------ mclu_info.py | 33 ------ mclu_list.py | 61 ---------- mclu_migrate.py | 77 ------------- mclu_off.py | 79 ------------- mclu_on.py | 73 ------------ mclu_reboot.py | 60 ---------- mclu_start.py | 73 ------------ mclu_status.py | 42 ------- mclu_stop.py | 60 ---------- mclu_viewer.py | 64 ----------- node.py | 103 ----------------- run.in | 22 ---- xmls/.exists | 0 30 files changed, 2188 deletions(-) delete mode 100644 CONFIGURATION delete mode 100644 COPYING delete mode 100644 Makefile.am delete mode 100644 README delete mode 100644 config.py.in delete mode 100644 configure.ac delete mode 100644 lib.py delete mode 100644 libvirt_xml.py delete mode 100644 m4/.exists delete mode 100644 mclu.conf delete mode 100644 mclu.in delete mode 100755 mclu.py delete mode 100644 mclu.spec.in delete mode 100644 mclu_build.py delete mode 100644 mclu_console.py delete mode 100644 mclu_import.py delete mode 100644 mclu_info.py delete mode 100644 mclu_list.py delete mode 100644 mclu_migrate.py delete mode 100644 mclu_off.py delete mode 100644 mclu_on.py delete mode 100644 mclu_reboot.py delete mode 100644 mclu_start.py delete mode 100644 mclu_status.py delete mode 100644 mclu_stop.py delete mode 100644 mclu_viewer.py delete mode 100644 node.py delete mode 100644 run.in delete mode 100644 xmls/.exists diff --git a/.gitignore b/.gitignore index 19c78cf..13c72d6 100644 --- a/.gitignore +++ b/.gitignore @@ -1,5 +1,4 @@ *~ -*.pyc Makefile Makefile.in @@ -8,13 +7,10 @@ Makefile.in /autom4te.cache /configure /config.log -/config.py /config.status /local* /install-sh /mclu-*.tar.gz /mclu -/mclu.spec /missing /run -/xmls/*.xml diff --git a/CONFIGURATION b/CONFIGURATION deleted file mode 100644 index 90aa19c..0000000 --- a/CONFIGURATION +++ /dev/null @@ -1,113 +0,0 @@ -Configuring mclu ----------------- - -Introduction ------------- - -mclu is based around the idea that you have a small collection of -fairly similar "nodes". Ideally they would be identical nodes, if you -want live migration to work seamlessly, but they don't have to be. - -Here is a picture of the cluster that I run mclu on: -http://rwmj.wordpress.com/2014/04/28/caseless-virtualization-cluster-part-5/#content - -Nodes, control node, NFS server -------------------------------- - -There is also one "control" node, which could be your laptop or could -be one of the cluster nodes. This is where you run the 'mclu' -command, and also where the single configuration file is located -(mclu.conf, usually located in /etc/mclu). - -Each node must be accessible from the control node over ssh. Each -node must be running the libvirt daemon (libvirtd). - -mclu uses a mix of ssh commands and remote libvirt to manage the -nodes. You should configure ssh so it can access the nodes without -needing passwords (eg. using ssh-agent). If you use the default -libvirt URI (see config file) then you also need to set up -passwordless root ssh access to the nodes; there are other ways to -configure this, eg. opening the libvirtd port on each node, but they -are probably not as secure. - -Each node, including the control node, must have access to shared -storage where the guest disk images are stored. The easiest way to do -this is to export /var/lib/libvirt/images from one machine and -NFS-mount it on all the nodes (and also to have a nice fast network). -Cluster filesystems are another possibility. mclu does NOT support -non-shared storage nor storage migration. - -Wake-on-LAN ------------ - -The nodes can be up or down. mclu deals transparently with nodes -being switched off. If you configure wake-on-LAN (usually a BIOS -setting) then mclu will be able to wake up nodes. - -Running guests --------------- - -The guest libvirt XML files are also stored on the control node -(usually /etc/mclu/xmls). Guests are created as transient, which -means the libvirt daemon running on each node does not have a -persistent configuration of any guest. - -Guests run on a single node at a time. You can list/start/stop/ -migrate them using mclu. The requirement for a guest to be running on -a single node may be enforced if you run libvirt sanlock or virtlockd. -This requires further configuration, see: -http://libvirt.org/locking.html -https://rwmj.wordpress.com/2014/05/08/setting-up-virtlockd-on-nfs/#content - -If sanlock/virtlockd is not running then mclu will try its best not to -have the guest running in two places at once (if it happens, this will -cause permanent disk corruption in the guest). - -Migration ---------- - -For guest live migration to work transparently, you will probably want -to configure libvirt bridged networking and open firewall ports -49152-49215 on every node. - -Bridged networking means that each guest appears as a local machine on -your network, and if it migrates then network connections will not be -interrupted. See: -http://wiki.libvirt.org/page/Networking#Bridged_networking_.28aka_.22shared_physical_device.22.29 - -The firewall ports have to be opened because libvirt cannot (yet?) do -fully managed migration over two SSH connections (even though the -documentation says it can). Hopefully they will fix this soon. - -Editing guest configuration or disk images ------------------------------------------- - -The guest configuration (libvirt XML) is stored in the xmls directory -(usually /etc/mclu/xmls). You can edit this file directly if you want. -Changes will not take effect until the guest is restarted. - -The guest disk images are located in the images directory (usually -/var/lib/libvirt/images). You can use libguestfs against these in -read-only mode (or read-write mode PROVIDED the guest is not running). - -You can also create or import guests by dropping an XML file and an -image into those directories. (But it might be easier to use the -'mclu build' and 'mclu import' subcommands). - -SELinux -------- - -I have SELinux enabled on all nodes of my cluster. However it wasn't -easy to get this far. In particular you need to enable one or -probably both of these booleans: - - setsebool -P virt_use_nfs on - setsebool -P use_nfs_home_dirs on - -Other tips ----------- - -Install ntp on all the nodes so that the date is kept in synch. - -Install lm_sensors on all nodes so you can monitor temperature, fan -speed and so on. diff --git a/COPYING b/COPYING deleted file mode 100644 index d159169..0000000 --- a/COPYING +++ /dev/null @@ -1,339 +0,0 @@ - GNU GENERAL PUBLIC LICENSE - Version 2, June 1991 - - Copyright (C) 1989, 1991 Free Software Foundation, Inc., - 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - Everyone is permitted to copy and distribute verbatim copies - of this license document, but changing it is not allowed. - - Preamble - - The licenses for most software are designed to take away your -freedom to share and change it. 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Of course, the commands you use may -be called something other than `show w' and `show c'; they could even be -mouse-clicks or menu items--whatever suits your program. - -You should also get your employer (if you work as a programmer) or your -school, if any, to sign a "copyright disclaimer" for the program, if -necessary. Here is a sample; alter the names: - - Yoyodyne, Inc., hereby disclaims all copyright interest in the program - `Gnomovision' (which makes passes at compilers) written by James Hacker. - - , 1 April 1989 - Ty Coon, President of Vice - -This General Public License does not permit incorporating your program into -proprietary programs. If your program is a subroutine library, you may -consider it more useful to permit linking proprietary applications with the -library. If this is what you want to do, use the GNU Lesser General -Public License instead of this License. diff --git a/Makefile.am b/Makefile.am deleted file mode 100644 index e5fd98f..0000000 --- a/Makefile.am +++ /dev/null @@ -1,66 +0,0 @@ -# mclu (mini cluster) -# Copyright (C) 2014 Red Hat 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. - -ACLOCAL_AMFLAGS = -I m4 - -# Why doesn't automake include _SCRIPTS and _DATA ...? -EXTRA_DIST = CONFIGURATION mclu.spec $(pkgdata_SCRIPTS) $(conf_DATA) - -# This rule just ensures that the wrapper binary and Python files get -# installed when we do 'make install'. - -bin_SCRIPTS = mclu - -pkgdata_SCRIPTS = \ - config.py \ - lib.py \ - libvirt_xml.py \ - mclu.py \ - mclu_build.py \ - mclu_console.py \ - mclu_import.py \ - mclu_info.py \ - mclu_list.py \ - mclu_migrate.py \ - mclu_off.py \ - mclu_on.py \ - mclu_reboot.py \ - mclu_start.py \ - mclu_status.py \ - mclu_stop.py \ - mclu_viewer.py \ - node.py - -# Configuration file. - -confdir = $(sysconfdir)/$(PACKAGE_NAME) -conf_DATA = mclu.conf - -install-data-hook: - mkdir -p $(DESTDIR)/$(sysconfdir)/$(PACKAGE_NAME)/xmls - -CLEANFILES = \ - *~ \ - *.pyc \ - config.py \ - mclu \ - mclu.spec - -# Run pylint. - -lint: - pylint -E $(pkgdata_SCRIPTS) diff --git a/README b/README deleted file mode 100644 index 8e958f4..0000000 --- a/README +++ /dev/null @@ -1,99 +0,0 @@ -mclu (mini cluster) is a virtualization cluster manager. - -The key features: - - - Entirely command line driven. - - - No required dependencies except ansible (on the client only), - libvirt and ssh. - - - Nothing to install on the nodes except libvirtd and sshd. - - - Only designed for small clusters (up to around 10-20 hosts). - - - Simple configuration. - -Example commands ----------------------------------------------------------------------- - - mclu status Display status of the cluster - mclu list List all virtual machines on the cluster - mclu on ham0 Switch on (wake-on-LAN) node 'ham0' - mclu off ham0 Power off node 'ham0' in the cluster - mclu start ham0:vm Start vm on node 'ham0' - mclu stop ham0:* Stop all VMs on node 'ham0' - mclu migrate *:* ham2: Live migrate all VMs to 'ham2' - mclu build ham3:vm fedora-20 Build and run a new Fedora 20 VM on node 'ham3' - mclu console ham3:fedora-20 Show me the serial console of a VM - mclu viewer ham3:fedora-20 Show me the graphical console of a VM - mclu info Print general configuration information - mclu --help Print help on all commands - -Since the mclu cluster is based on an ansible "hosts group", you can -also issue ansible commands, eg: - - ansible cluster -u root -a "yum -y update" Update all nodes in the cluster - ansible cluster -m ping Ping all nodes - -Configuration notes ----------------------------------------------------------------------- - -See `CONFIGURATION'. - -Dependencies ----------------------------------------------------------------------- - -To get a full list of the required and optional dependencies, look at: - - - configure.ac - - mclu.spec.in - -Building it ----------------------------------------------------------------------- - -If building straight from git, then do: - - autoreconf -i - -To build: - - ./configure --prefix /usr --sysconfdir /etc - make - -To run without installing: - - - Edit the configuration file (mclu.conf). - - - Add the hosts group (usually called '[cluster]') to /etc/ansible/hosts. - You can set $ANSIBLE_HOSTS to change the location of this file. - - - Run commands such as: - - ./run status - ./run list - -To install: - - - sudo make install - - - Edit the configuration file (/etc/mclu/mclu.conf). - - - Add the hosts group (usually called '[cluster]') to /etc/ansible/hosts. - - - Run commands such as: - - mclu status - mclu list - -Developer information ----------------------------------------------------------------------- - -The license is GPLv2+. - -The git repo is: - - http://git.annexia.org/?p=mclu.git;a=summary - -There is no mclu mailing list. Send patches to the virt-tools mailing list: - - http://www.redhat.com/mailman/listinfo/virt-tools-list diff --git a/config.py.in b/config.py.in deleted file mode 100644 index d340d32..0000000 --- a/config.py.in +++ /dev/null @@ -1,30 +0,0 @@ -# mclu (mini cluster) -# @configure_input@ -# Copyright (C) 2014 Red Hat 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. - -PACKAGE_NAME="@PACKAGE_NAME@" -PACKAGE_VERSION="@PACKAGE_VERSION@" - -prefix="@prefix@" -sysconfdir="@sysconfdir@" -# Avoid stupid crap with datarootdir: -pkgdatadir="@prefix@/share/@PACKAGE_NAME@" - -SSH="@SSH@" -WOL="@WOL@" -VIRT_BUILDER="@VIRT_BUILDER@" -VIRT_VIEWER="@VIRT_VIEWER@" diff --git a/configure.ac b/configure.ac deleted file mode 100644 index de668bc..0000000 --- a/configure.ac +++ /dev/null @@ -1,62 +0,0 @@ -# mclu (mini cluster) -# Copyright (C) 2014 Red Hat 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. - -AC_INIT([mclu],1.0) -AM_INIT_AUTOMAKE([foreign]) -AC_CONFIG_MACRO_DIR([m4]) - -dnl Python 2.x (required). -AC_PATH_PROG([PYTHON],[python]) -if test "x$PYTHON" = "xno"; then - AC_MSG_ERROR([Python 2.x is required]) -fi - -AC_MSG_CHECKING([Python version]) -PYTHON_VERSION_MAJOR=`$PYTHON -c "import sys; print (sys.version_info@<:@0@:>@)"` -PYTHON_VERSION_MINOR=`$PYTHON -c "import sys; print (sys.version_info@<:@1@:>@)"` -AC_MSG_RESULT([$PYTHON_VERSION_MAJOR.$PYTHON_VERSION_MINOR]) - -if test $PYTHON_VERSION_MAJOR -ne 2; then - AC_MSG_ERROR([Python version 2 is required, found $PYTHON_VERSION_MAJOR]) -fi - -dnl SSH client (required). -AC_PATH_PROG([SSH],[ssh],[no]) -if test "x$SSH" = "xno"; then - AC_MSG_ERROR([SSH client is required]) -fi - -dnl Ansible client (required). -dnl Actually the ansible command line tool is not used, but we do use -dnl the Python library. XXX Should check for that instead. -AC_PATH_PROG([ANSIBLE],[ansible],[no]) -if test "x$ANSIBLE" = "xno"; then - AC_MSG_ERROR([ansible is required]) -fi - -dnl Wake-on-LAN client (optional). -AC_PATH_PROG([WOL],[wol],[no]) - -dnl virt-builder (optional). -AC_PATH_PROG([VIRT_BUILDER],[virt-builder],[no]) - -dnl virt-viewer (optional). -AC_PATH_PROG([VIRT_VIEWER],[virt-viewer],[no]) - -AC_CONFIG_FILES([run], [chmod +x,-w run]) -AC_CONFIG_FILES([Makefile config.py mclu mclu.spec]) -AC_OUTPUT diff --git a/lib.py b/lib.py deleted file mode 100644 index 1430f14..0000000 --- a/lib.py +++ /dev/null @@ -1,94 +0,0 @@ -#!/usr/bin/python -# mclu (mini cluster) -# Copyright (C) 2014 Red Hat 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. - -import sys -import os -import re - -import libvirt -import ansible.runner -import ansible.inventory - -# Get separate list of running and inactive guests. -def get_all_guests (c): - running = {} - inactive = {} - - # Find running guests. - runner = ansible.runner.Runner ( - remote_user = 'root', - module_name = 'virt', - module_args = 'command=list_vms', # XXX ignore state=shutdown - pattern = c['nodes_group'], - ) - data = runner.run () - - for node in data['contacted'].keys(): - # Get the flat list of guests from this node: - vms = data['contacted'][node]['list_vms'] - # Store which node the guest is running on, and turn list into a map. - for vm in vms: - if node in running: - sys.exit ("error: virtual machine %s is running on two nodes!" % node) - running[vm] = { 'vm' : vm, 'node' : node } - - # Find inactive guests (XML configuration files). - for name in get_guest_configs (c): - if name not in running: - inactive[name] = name - - return running, inactive - -# Get the names of guests from the XML configuration files in xmls_dir. -def get_guest_configs (c): - names = [] - for filename in sorted (os.listdir (c['xmls_dir'])): - m = re.search (r'^(.*)\.xml$', filename) - if m: - names.append (m.group (1)) - return names - -# Start a guest running on a given node. The node must not be -# running anywhere already. -def start_guest (c, node_name, guest_name): - fp = open ("%s/%s.xml" % (c['xmls_dir'], guest_name), "r") - xml = fp.read () - fp.close () - - conn = libvirt.open (uri_of_node (node_name)) - if conn == None: - sys.exit ("error: could not open a libvirt connection to %s" % - node_name) - conn.createXML (xml) - -def pick_any_node_which_is_up (c): - inventory = ansible.inventory.Inventory () - runner = ansible.runner.Runner ( - remote_user = 'root', - module_name = 'ping', - inventory = inventory, - pattern = c['nodes_group'], - ) - data = runner.run () - if len (data['contacted']) == 0: - sys.exit ("error: no nodes are up, use mclu on") - return data['contacted'].keys()[0] - -# XXX Make this configurable. -def uri_of_node (node_name): - return "qemu+ssh://root@%s/system" % node_name diff --git a/libvirt_xml.py b/libvirt_xml.py deleted file mode 100644 index ceb5ab7..0000000 --- a/libvirt_xml.py +++ /dev/null @@ -1,103 +0,0 @@ -#!/usr/bin/python -# mclu (mini cluster) -# Copyright (C) 2014 Red Hat 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. - -import os -import random -import sys - -# Generate libvirt XML. Would be nice to use virt-install here, but -# it doesn't work: RHBZ#1095789 -def generate_libvirt_xml (vm_name, memory, vcpus, virtio, output): - network_model = "virtio" - if not virtio: - network_model = "e1000" - - # Give the network a fixed MAC address, otherwise libvirt will - # generate a random one on every guest restart. - network_mac = "52:54:00:%02x:%02x:%02x" % (random.randint (0, 0xff), - random.randint (0, 0xff), - random.randint (0, 0xff)) - - # XXX Quoting, and we should use a real XML generator. - xml = """ - - %s - %d - %d - %d - - hvm - - - - - - - - - - - - - - destroy - restart - restart - - - - - - - - - - - - - - -""" % (vm_name, memory, memory, vcpus, network_mac, network_model) - - # virtio-scsi or IDE disk: - if virtio: - xml += """ - - - - - - -""" % output - else: - xml += """ - - - - - -""" % output - - xml += """ - - -""" - - return xml diff --git a/m4/.exists b/m4/.exists deleted file mode 100644 index e69de29..0000000 diff --git a/mclu.conf b/mclu.conf deleted file mode 100644 index 300b79e..0000000 --- a/mclu.conf +++ /dev/null @@ -1,43 +0,0 @@ -# mclu (mini cluster) configuration file. -# -# This file is parsed by Python's ConfigParser. -# -# This is the real configuration file I use to control my -# virtualization cluster. For a picture of it see: -# http://rwmj.wordpress.com/2014/04/28/caseless-virtualization-cluster-part-5/#content - -# Some defaults are provided: -# %(home)s expands to $HOME -# %(config_dir)s expands to the directory containing mclu.conf -# Note that in the Python '%(...)s' syntax, 's' means 'string'. It is -# not part of the expanded output. - -# The global section has general configuration. -[global] - -# The location of guest disk images. This location MUST be shared -# between all nodes including the machine running mclu (eg. using NFS -# or some sort of clustered storage). -images_dir = /var/lib/libvirt/images - -# The location of libvirt XML configuration files for guests. -# -# Note: This does NOT need to be shared or even visible on the cluster -# nodes. But it must be available on the machine running 'mclu'. -xmls_dir = %(config_dir)s/xmls/ - -# The name of the ansible group which contains the list of nodes -# in the cluster. You have to edit /etc/ansible/hosts and add a -# section: -# -# [cluster] -# ham0 mac=74:d4:35:55:85:3f -# ham1 mac=74:d4:35:51:ab:86 -# ham2 mac=74:d4:35:55:82:96 -# ham3 mac=74:d4:35:55:84:b4 -# -# The mac=... (MAC addresses) are optional, to support wake-on-LAN. -# -# If you don't want to edit /etc/ansible/hosts then you can export -# $ANSIBLE_HOSTS to name another file instead. -nodes_group = cluster diff --git a/mclu.in b/mclu.in deleted file mode 100644 index 10376db..0000000 --- a/mclu.in +++ /dev/null @@ -1,29 +0,0 @@ -#!/bin/sh - -# mclu (mini cluster) -# @configure_input@ -# Copyright (C) 2014 Red Hat Inc. -# -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 2 of the License, or -# (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - -pkgdatadir="@prefix@/share/@PACKAGE_NAME@" - -if [ ! -x "$pkgdatadir/mclu.py" ]; then - echo "mclu: wrapper script cannot find installed mclu.py" - echo "Did you forget to run 'make install'?" - echo "OR if you want to run without installing, use:" - echo " ./run [args...]" - exit 1 -fi -"$pkgdatadir/mclu.py" "$@" diff --git a/mclu.py b/mclu.py deleted file mode 100755 index 0a439ec..0000000 --- a/mclu.py +++ /dev/null @@ -1,109 +0,0 @@ -#!/usr/bin/python -# mclu (mini cluster) -# Copyright (C) 2014 Red Hat 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. - -import argparse -import ConfigParser -import os -import re -import sys - -import config -import mclu_build -import mclu_console -import mclu_import -import mclu_info -import mclu_list -import mclu_migrate -import mclu_off -import mclu_on -import mclu_reboot -import mclu_start -import mclu_status -import mclu_stop -import mclu_viewer - -parser = argparse.ArgumentParser ( - prog='mclu', - description='Mini virtualization cluster management tool', -) -parser.add_argument ( - '-f', - type=file, - help='specify location of the configuration file', - metavar='MCLU.CONF', -) - -# Add subcommands. -subparsers = parser.add_subparsers () -mclu_build.cmdline (subparsers) -mclu_console.cmdline (subparsers) -mclu_import.cmdline (subparsers) -mclu_info.cmdline (subparsers) -mclu_list.cmdline (subparsers) -mclu_migrate.cmdline (subparsers) -mclu_off.cmdline (subparsers) -mclu_on.cmdline (subparsers) -mclu_reboot.cmdline (subparsers) -mclu_start.cmdline (subparsers) -mclu_status.cmdline (subparsers) -mclu_stop.cmdline (subparsers) -mclu_viewer.cmdline (subparsers) - -args = parser.parse_args() - -# Default location of the config file if not defined on the command line: -if not args.f: - config_dir = config.sysconfdir + "/" + config.PACKAGE_NAME - args.f = open (config_dir + "/" + "mclu.conf") -else: - # config_dir is the directory containing mclu.conf - config_dir = os.path.dirname (args.f.name) - -# Configuration file default settings. You cannot set defaults per -# section, so we have to rely on setting names not overlapping. -conf_defaults = { - "home" : os.getenv ("HOME"), - "config_dir" : config_dir, -} - -# Read the configuration file. -conf = ConfigParser.SafeConfigParser (conf_defaults) -conf.readfp (args.f) - -# Global configuration. -images_dir = conf.get ("global", "images_dir") -if not os.path.isdir (images_dir): - sys.exit ("configuration error: [globals] 'images_dir' (%s) directory does not exist" % images_dir) -xmls_dir = conf.get ("global", "xmls_dir") -if not os.path.isdir (xmls_dir): - sys.exit ("configuration error: [globals] 'xmls_dir' (%s) directory does not exist", xmls_dir) -nodes_group = conf.get ("global", "nodes_group") - -# A config dict with less-used configuration settings. -c = { - "config_file" : args.f.name, - "config_dir" : config_dir, - "images_dir" : images_dir, - "nodes_group" : nodes_group, - "xmls_dir" : xmls_dir, - - "conf" : conf, -} - -# Run the subcommand. -args.run (c, args) diff --git a/mclu.spec.in b/mclu.spec.in deleted file mode 100644 index 244658b..0000000 --- a/mclu.spec.in +++ /dev/null @@ -1,58 +0,0 @@ -Name: @PACKAGE_NAME@ -Version: @PACKAGE_VERSION@ -Release: 1%{?dist} -Summary: Mini cluster, a virtualization cluster manager - -BuildArch: noarch - -License: GPLv2+ -URL: http://git.annexia.org/?p=mclu.git;a=summary -Source0: @PACKAGE_NAME@-@PACKAGE_VERSION@.tar.gz - -BuildRequires: python-devel -BuildRequires: libvirt-python -BuildRequires: /usr/bin/ssh -BuildRequires: ansible - -Requires: libvirt-python -Requires: /usr/bin/ssh -Requires: ansible - -# These are optional: comment them out to get a less functional mclu. -BuildRequires: /usr/bin/wol -BuildRequires: /usr/bin/virt-builder -BuildRequires: /usr/bin/virt-viewer -Requires: /usr/bin/wol -Requires: /usr/bin/virt-builder -Requires: /usr/bin/virt-viewer - - -%description -mclu (mini cluster) is a virtualization cluster manager. - - -%prep -%setup -q - - -%build -%configure -make %{?_smp_mflags} - - -%install -make DESTDIR=$RPM_BUILD_ROOT install - - -%files -%doc CONFIGURATION COPYING README -%dir %{_sysconfdir}/mclu/ -%dir %{_sysconfdir}/mclu/xmls/ -%config(noreplace) %{_sysconfdir}/mclu/mclu.conf -%{_bindir}/mclu -%{_datadir}/%{name}/ - - -%changelog -* Thu May 8 2014 Richard W.M. Jones - @PACKAGE_VERSION@-1 -- Initial release. diff --git a/mclu_build.py b/mclu_build.py deleted file mode 100644 index a7de55c..0000000 --- a/mclu_build.py +++ /dev/null @@ -1,120 +0,0 @@ -#!/usr/bin/python -# mclu (mini cluster) -# Copyright (C) 2014 Red Hat 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. - -import argparse -import os -import re -import subprocess -import sys -import libvirt - -import config -import lib -import libvirt_xml - -def cmdline (subparsers): - p = subparsers.add_parser ( - 'build', - help='build and run a new virtual machine', - ) - p.add_argument ( - '--memory', default=1024, type=int, - help='RAM to give to guest (default unit is megabytes)' - ) - p.add_argument ( - '--vcpus', default=4, type=int, - help='virtual CPUs to give to guest' - ) - p.add_argument ( - '--virtio', action='store_const', const=True, - help='use virtio disks and network' - ) - p.add_argument ( - '--no-start', action='store_const', const=True, - help='do not start the guest after building' - ) - p.add_argument ( - '--size', required=True, - help='size of disk' - ) - p.add_argument ( - 'name', - help='name of the new VM (or use "vm:name")' - ) - p.add_argument ( - 'os_version', - help='OS & version of guest (see virt-builder docs)' - ) - p.add_argument ( - 'vbargs', nargs='*', - help='virt-builder arguments (after "--")' - ) - p.set_defaults (run=run) - -def run (c, args): - # Did the user request a particular node? If not, we'll run it - # on any node which is up. - m = re.match (r'^(.*):(.*)$', args.name) - if m: - node_name = m.group (1) - vm_name = m.group (2) - else: - node_name = lib.pick_any_node_which_is_up (c) - vm_name = args.name - - # Get all the guests, so we can tell if the name is a duplicate. - running, inactive = lib.get_all_guests (c) - - if vm_name in running or vm_name in inactive: - sys.exit ("error: VM name (%s) already exists" % vm_name) - - output = '%s/%s.img' % (c['images_dir'], vm_name) - - # Call out to virt-builder to build the disk image. - vbargs = [ - config.VIRT_BUILDER, - args.os_version, - '--output', output, - '--format', 'qcow2', - ] - if args.size: - vbargs.extend (['--size', args.size]) - if args.vbargs: - vbargs.extend (args.vbargs) - subprocess.check_call (vbargs) - - # XXX Unfortunately this is necessary so qemu can access the disk. - os.chmod (output, 0666) - - # Generate the XML. Would be nice to use virt-install here, but - # it doesn't work: RHBZ#1095789 - xml = libvirt_xml.generate_libvirt_xml (vm_name, - args.memory, - args.vcpus, - args.virtio, - output) - - # Write the XML to the xmls_dir. - fp = open ("%s/%s.xml" % (c['xmls_dir'], vm_name), "w") - fp.write (xml) - fp.close () - - if not args.no_start: - # Start the guest. - lib.start_guest (c, node_name, vm_name) - print "guest started on node %s" % node_name diff --git a/mclu_console.py b/mclu_console.py deleted file mode 100644 index b4299cd..0000000 --- a/mclu_console.py +++ /dev/null @@ -1,64 +0,0 @@ -#!/usr/bin/python -# mclu (mini cluster) -# Copyright (C) 2014 Red Hat 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. - -import argparse -import re -import sys -import subprocess - -import lib - -def cmdline (subparsers): - p = subparsers.add_parser ( - 'console', - help='connect to console of named VM', - ) - p.add_argument ( - 'vm', - help='vm (or node:vm) to connect to' - ) - p.set_defaults (run=run) - -def run (c, args): - running, _ = lib.get_all_guests (c) - - m = re.match (r'^(.*):(.*)$', args.vm) - if m: - # We don't actually care about the node, but we check it - # is the expected one below. - node_name_check = m.group (1) - vm_name = m.group (2) - else: - node_name_check = None - vm_name = args.vm - - if vm_name not in running: - sys.exit ("error: vm %s not found or not running" % vm_name) - - vm = running[vm_name]['vm'] - node_name = running[vm_name]['node'] - - if node_name_check and node_name != node_name_check: - sys.exit ("error: vm %s is not running on node %s, did you mean %s:%s ?" % - (vm_name, node_name_check, node_name, vm_name)) - - # Run the virsh console command. - subprocess.call (["virsh", - "-c", lib.uri_of_node (node_name), - "console", - vm_name]) diff --git a/mclu_import.py b/mclu_import.py deleted file mode 100644 index 7a019ba..0000000 --- a/mclu_import.py +++ /dev/null @@ -1,108 +0,0 @@ -#!/usr/bin/python -# mclu (mini cluster) -# Copyright (C) 2014 Red Hat 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. - -import argparse -import os -import re -import sys -import subprocess - -import config -import lib -import libvirt_xml - -def cmdline (subparsers): - p = subparsers.add_parser ( - 'import', - help='import and existing virtual machine', - ) - p.add_argument ( - '--memory', default=1024, type=int, - help='RAM to give to guest (default unit is megabytes)' - ) - p.add_argument ( - '--vcpus', default=4, type=int, - help='virtual CPUs to give to guest' - ) - p.add_argument ( - '--virtio', action='store_const', const=True, - help='use virtio disks and network' - ) - p.add_argument ( - '--no-start', action='store_const', const=True, - help='do not start the guest after importing' - ) - p.add_argument ( - 'name', - help='name of the new VM (or use "vm:name")' - ) - p.add_argument ( - 'disk', - help='disk image to import' - ) - p.set_defaults (run=run) - -def run (c, args): - # Did the user request a particular node? If not, we'll run it - # on any node which is up. - m = re.match (r'^(.*):(.*)$', args.name) - if m: - node_name = m.group (1) - vm_name = m.group (2) - else: - node_name = lib.pick_any_node_which_is_up (c) - vm_name = args.name - - # Get all the guests, so we can tell if the name is a duplicate. - running, inactive = lib.get_all_guests (c) - - if vm_name in running or vm_name in inactive: - sys.exit ("error: VM name (%s) already exists" % vm_name) - - output = '%s/%s.img' % (c['images_dir'], vm_name) - - # Use qemu-img to convert the input format (whatever it is) to qcow2, - # and also to copy it. - subprocess.check_call ([ - "qemu-img", - "convert", - args.disk, - "-O", "qcow2", - output - ]) - - # XXX Unfortunately this is necessary so qemu can access the disk. - os.chmod (output, 0666) - - # Generate the XML. Would be nice to use virt-install here, but - # it doesn't work: RHBZ#1095789 - xml = libvirt_xml.generate_libvirt_xml (vm_name, - args.memory, - args.vcpus, - args.virtio, - output) - - # Write the XML to the xmls_dir. - fp = open ("%s/%s.xml" % (c['xmls_dir'], vm_name), "w") - fp.write (xml) - fp.close () - - if not args.no_start: - # Start the guest. - lib.start_guest (c, node_name, vm_name) - print "guest started on node %s" % node_name diff --git a/mclu_info.py b/mclu_info.py deleted file mode 100644 index b800e5b..0000000 --- a/mclu_info.py +++ /dev/null @@ -1,33 +0,0 @@ -#!/usr/bin/python -# mclu (mini cluster) -# Copyright (C) 2014 Red Hat 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. - -import argparse - -def cmdline (subparsers): - p = subparsers.add_parser ( - 'info', - help='print general configuration information', - ) - p.set_defaults (run=run) - -def run (c, args, nodes): - print "config_dir=%s" % c['config_dir'] - print "config_file=%s" % c['config_file'] - print "images_dir=%s" % c['images_dir'] - print "node_names=%s" % c['node_names'] - print "xmls_dir=%s" % c['xmls_dir'] diff --git a/mclu_list.py b/mclu_list.py deleted file mode 100644 index ace59a4..0000000 --- a/mclu_list.py +++ /dev/null @@ -1,61 +0,0 @@ -#!/usr/bin/python -# mclu (mini cluster) -# Copyright (C) 2014 Red Hat 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. - -import argparse -import libvirt - -import lib - -def cmdline (subparsers): - p = subparsers.add_parser ( - 'list', - help='list virtual machines', - ) - p.add_argument ( - '--running', action='store_const', const=True, - help='list only running VMs' - ) - p.add_argument ( - '--inactive', action='store_const', const=True, - help='list only inactive VMs' - ) - p.set_defaults (run=run) - -def run (c, args): - show_running = True - show_inactive = True - if not args.running or not args.inactive: - if args.running: - show_running = True - show_inactive = False - if args.inactive: - show_running = False - show_inactive = True - - running, inactive = lib.get_all_guests (c) - - if show_running: - for guest in sorted (running.values()): - node_name = guest['node'] - dom_name = guest['vm'] - full_name = "%s:%s" % (node_name, dom_name) - print "%-40s running" % full_name - - if show_inactive: - for name in sorted (inactive.values()): - print "%-40s inactive" % name diff --git a/mclu_migrate.py b/mclu_migrate.py deleted file mode 100644 index 36ba398..0000000 --- a/mclu_migrate.py +++ /dev/null @@ -1,77 +0,0 @@ -#!/usr/bin/python -# mclu (mini cluster) -# Copyright (C) 2014 Red Hat 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. - -import argparse -import fnmatch -import re -import sys -import libvirt - -import lib - -def cmdline (subparsers): - p = subparsers.add_parser ( - 'migrate', - help='live migrate virtual machine(s)', - ) - p.add_argument ( - 'wildcards', nargs='+', - help='virtual machine(s) to be migrated' - ) - p.add_argument ( - 'dest', - help='destination node' - ) - p.set_defaults (run=run) - -def run (c, args): - running, _ = lib.get_all_guests (c) - - # Identify the VMs to be migrated. - migrate_vms = [] - for vm in running.values(): - node_name = vm['node'] - vm_name = vm['vm'] - # Form the name of this VM (eg. "ham0:vm") so we can match it - # against the wildcards (eg. "ham0:*") - name = node_name + ":" + vm_name - for wc in args.wildcards: - if fnmatch.fnmatch (name, wc) or fnmatch.fnmatch (vm_name, wc): - migrate_vms.append (vm) - - if not migrate_vms: - sys.exit ("error: no VMs are going to be migrated") - - # Get destination node. It can be written either 'dest' or 'dest:' - m = re.match (r'(.*):$', args.dest) - if m: - dest = m.group (1) - else: - dest = args.dest - - dconn = libvirt.open (lib.uri_of_node (dest)) - if dconn == None: - sys.exit ("error: could not open a libvirt connection to %s" % dest) - - for vm in migrate_vms: - sconn = libvirt.open (lib.uri_of_node (vm['node'])) - if sconn == None: - sys.exit ("error: could not open a libvirt connection to %s" % - vm['node']) - dom = sconn.lookupByName (vm['vm']) - dom.migrate (dconn, libvirt.VIR_MIGRATE_LIVE) diff --git a/mclu_off.py b/mclu_off.py deleted file mode 100644 index 3851545..0000000 --- a/mclu_off.py +++ /dev/null @@ -1,79 +0,0 @@ -#!/usr/bin/python -# mclu (mini cluster) -# Copyright (C) 2014 Red Hat 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. - -import argparse -import os -import subprocess -import sys -import time - -import ansible.inventory -import ansible.runner - -import lib - -def cmdline (subparsers): - p = subparsers.add_parser ( - 'off', - help='power off a node (or nodes)' - ) - p.add_argument ( - 'wildcard', - help='node name(s) to be powered off (wildcard may be used)' - ) - p.set_defaults (run=run) - -def run (c, args): - inventory = ansible.inventory.Inventory () - inventory.subset (subset_pattern = args.wildcard) - nodes = inventory.get_hosts (c['nodes_group']) - - # Check the nodes have no guests. - running, _ = lib.get_all_guests (c) - for node in nodes: - for vm in running.values(): - if vm['node'] == node.name: - sys.exit ("error: node %s has running guests, migrate them off or stop them first" % node.name) - - # Power them off. - runner = ansible.runner.Runner ( - remote_user = 'root', - module_name = 'command', - module_args = '/sbin/poweroff', - inventory = inventory, - pattern = c['nodes_group'], - ) - data = runner.run () - - # Wait for them to power off. - pings = 60 - runner = ansible.runner.Runner ( - remote_user = 'root', - module_name = 'ping', - inventory = inventory, - pattern = c['nodes_group'], - ) - while pings > 0: - data = runner.run () - if len (data['contacted']) == 0: - break - pings -= 1 - time.sleep (1) - - if pings == 0: - sys.exit ('warning: some nodes did not power off') diff --git a/mclu_on.py b/mclu_on.py deleted file mode 100644 index 7183f93..0000000 --- a/mclu_on.py +++ /dev/null @@ -1,73 +0,0 @@ -#!/usr/bin/python -# mclu (mini cluster) -# Copyright (C) 2014 Red Hat 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. - -import argparse -import os -import sys -import time -import subprocess - -import ansible.inventory -import ansible.runner - -import config -import lib - -def cmdline (subparsers): - p = subparsers.add_parser ( - 'on', - help='power on a node (or nodes)' - ) - p.add_argument ( - 'wildcard', - help='node name(s) to be woken up (wildcard may be used)' - ) - p.set_defaults (run=run) - -def run (c, args): - inventory = ansible.inventory.Inventory () - inventory.subset (subset_pattern = args.wildcard) - nodes = inventory.get_hosts (c['nodes_group']) - - # Wake them up. - for node in nodes: - vars = node.get_variables() - if 'mac' in vars: - devnull = open (os.devnull, "w") - subprocess.check_call ([config.WOL, vars['mac']], - stdout = devnull, stderr = devnull) - else: - print "warning: no mac= line in ansible hosts file for %s (ignored)" % node.name - - # Wait for them to come up. - pings = 30 - runner = ansible.runner.Runner ( - remote_user = 'root', - module_name = 'ping', - inventory = inventory, - pattern = c['nodes_group'], - ) - while pings > 0: - data = runner.run () - if len (data['dark']) == 0: - break - pings -= 1 - time.sleep (1) - - if pings == 0: - sys.exit ('warning: some nodes did not wake up') diff --git a/mclu_reboot.py b/mclu_reboot.py deleted file mode 100644 index 07917d1..0000000 --- a/mclu_reboot.py +++ /dev/null @@ -1,60 +0,0 @@ -#!/usr/bin/python -# mclu (mini cluster) -# Copyright (C) 2014 Red Hat 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. - -import argparse -import fnmatch -import subprocess - -import libvirt - -import lib - -def cmdline (subparsers): - p = subparsers.add_parser ( - 'reboot', - help='reboot virtual machine(s)', - ) - p.add_argument ( - '--force', action='store_const', const=True, - help='reset the virtual machine(s) forcibly' - ) - p.add_argument ( - 'wildcards', nargs='+', - help='virtual machine(s) to be rebooted' - ) - p.set_defaults (run=run) - -def run (c, args): - running, _ = lib.get_all_guests (c) - - for vm in running.values(): - node_name = vm['node'] - vm_name = vm['vm'] - # Form the name of this VM (eg. "ham0:vm") so we can match it - # against the wildcards (eg. "ham0:*") - name = node_name + ":" + vm_name - for wc in args.wildcards: - if fnmatch.fnmatch (name, wc) or fnmatch.fnmatch (vm_name, wc): - if args.force: - subprocess.check_call (["virsh", - "-c", lib.uri_of_node (node_name), - "reset", vm_name]) - else: - subprocess.check_call (["virsh", - "-c", lib.uri_of_node (node_name), - "reboot", vm_name]) diff --git a/mclu_start.py b/mclu_start.py deleted file mode 100644 index 01a2f1a..0000000 --- a/mclu_start.py +++ /dev/null @@ -1,73 +0,0 @@ -#!/usr/bin/python -# mclu (mini cluster) -# Copyright (C) 2014 Red Hat 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. - -import argparse -import fnmatch -import re -import subprocess -import sys -import libvirt - -import config -import lib - -def cmdline (subparsers): - p = subparsers.add_parser ( - 'start', - help='start virtual machine(s)', - ) - p.add_argument ( - '--viewer', action='store_const', const=True, - help='start virt-viewer to show the graphical console' - ) - p.add_argument ( - 'vms', nargs='+', - help='virtual machine(s) to be started' - ) - p.set_defaults (run=run) - -def run (c, args): - _, inactive = lib.get_all_guests (c) - - # User supplied a list of node:VMs. - for a in args.vms: - m = re.match (r'^(.*):(.*)$', a) - if m: - node_name = m.group (1) - wc = m.group (2) - else: - wc = a - node_name = lib.pick_any_node_which_is_up (c) - started = [] - for vm_name in inactive: - if fnmatch.fnmatch (vm_name, wc): - if args.viewer: - subprocess.Popen ([config.VIRT_VIEWER, - "-c", lib.uri_of_node (node_name), - vm_name], - close_fds=True) - lib.start_guest (c, node_name, vm_name) - started.append (vm_name) - - if not started: - sys.exit ("error: no VMs matched pattern %s" % a) - - # Make sure we don't start the same VMs again the next - # time around the loop: - for vm_name in started: - del inactive[vm_name] diff --git a/mclu_status.py b/mclu_status.py deleted file mode 100644 index add55ab..0000000 --- a/mclu_status.py +++ /dev/null @@ -1,42 +0,0 @@ -#!/usr/bin/python -# mclu (mini cluster) -# Copyright (C) 2014 Red Hat 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. - -import argparse - -import ansible.runner - -import lib - -def cmdline (subparsers): - p = subparsers.add_parser ( - 'status', - help='display cluster status' - ) - p.set_defaults (run=run) - -def run (c, args): - runner = ansible.runner.Runner ( - remote_user = 'root', - module_name = 'ping', - pattern = c['nodes_group'], - ) - data = runner.run () - for name in sorted (data['contacted']): - print "%s\tup" % name - for name in sorted (data['dark']): - print "%s\tdown" % name diff --git a/mclu_stop.py b/mclu_stop.py deleted file mode 100644 index 883b67a..0000000 --- a/mclu_stop.py +++ /dev/null @@ -1,60 +0,0 @@ -#!/usr/bin/python -# mclu (mini cluster) -# Copyright (C) 2014 Red Hat 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. - -import argparse -import fnmatch -import subprocess - -import libvirt - -import lib - -def cmdline (subparsers): - p = subparsers.add_parser ( - 'stop', - help='stop virtual machine(s)', - ) - p.add_argument ( - '--force', action='store_const', const=True, - help='power off the virtual machine(s) forcibly' - ) - p.add_argument ( - 'wildcards', nargs='+', - help='virtual machine(s) to be stopped' - ) - p.set_defaults (run=run) - -def run (c, args): - running, _ = lib.get_all_guests (c) - - for vm in running.values(): - node_name = vm['node'] - vm_name = vm['vm'] - # Form the name of this VM (eg. "ham0:vm") so we can match it - # against the wildcards (eg. "ham0:*") - name = node_name + ":" + vm_name - for wc in args.wildcards: - if fnmatch.fnmatch (name, wc) or fnmatch.fnmatch (vm_name, wc): - if args.force: - subprocess.check_call (["virsh", - "-c", lib.uri_of_node (node_name), - "destroy", vm_name]) - else: - subprocess.check_call (["virsh", - "-c", lib.uri_of_node (node_name), - "shutdown", vm_name]) diff --git a/mclu_viewer.py b/mclu_viewer.py deleted file mode 100644 index 7c4018b..0000000 --- a/mclu_viewer.py +++ /dev/null @@ -1,64 +0,0 @@ -#!/usr/bin/python -# mclu (mini cluster) -# Copyright (C) 2014 Red Hat 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. - -import argparse -import re -import sys -import subprocess - -import config -import lib - -def cmdline (subparsers): - p = subparsers.add_parser ( - 'viewer', - help='connect to graphical console of named VM', - ) - p.add_argument ( - 'vm', - help='vm (or node:vm) to connect to' - ) - p.set_defaults (run=run) - -def run (c, args): - running, _ = lib.get_all_guests (c) - - m = re.match (r'^(.*):(.*)$', args.vm) - if m: - # We don't actually care about the node, but we check it - # is the expected one below. - node_name_check = m.group (1) - vm_name = m.group (2) - else: - node_name_check = None - vm_name = args.vm - - if vm_name not in running: - sys.exit ("error: vm %s not found or not running" % vm_name) - - vm = running[vm_name]['vm'] - node_name = running[vm_name]['node'] - - if node_name_check and node_name != node_name_check: - sys.exit ("error: vm %s is not running on node %s, did you mean %s:%s ?" % - (vm_name, node_name_check, node_name, vm_name)) - - # Run the virsh console command. - subprocess.call ([config.VIRT_VIEWER, - "-c", lib.uri_of_node (node_name), - vm_name]) diff --git a/node.py b/node.py deleted file mode 100644 index 613a456..0000000 --- a/node.py +++ /dev/null @@ -1,103 +0,0 @@ -#!/usr/bin/python -# mclu (mini cluster) -# Copyright (C) 2014 Red Hat 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. - -import os -import sys -import subprocess -import libvirt - -import config - -class Node: - def __init__ (self, name, host, mac, uri): - self.name = name - self.host = host - self.mac = mac - self.uri = uri - self.conn = None - self.up = None - - def ping (self, force = False): - """Test if node is up.""" - if not force: - if self.up is not None: - return self.up - - devnull = open (os.devnull, "w") - r = subprocess.call (["ping", "-c", "1", self.host], - stdout = devnull, stderr = devnull) - self.up = r == 0 - return self.up - - def ssh_ping (self): - """Test if we can open an SSH connection""" - if self.ping (): - devnull = open (os.devnull, "w") - r = subprocess.call ([config.SSH, "-l", "root", self.host, ":"], - stdout = devnull, stderr = devnull) - return r == 0 - else: - return False - - def libvirt_ping (self): - """Test if we can open a libvirt connection""" - if self.ping(): - conn = libvirt.openReadOnly (self.uri) - return conn != None - else: - return False - - def wake (self): - if not self.ping (): - devnull = open (os.devnull, "w") - subprocess.check_call ([config.WOL, self.mac], - stdout = devnull, stderr = devnull) - - def shutdown (self): - if self.ping (): - devnull = open (os.devnull, "w") - r = subprocess.call ([config.SSH, "-l", "root", self.host, - "/sbin/poweroff"], - stdout = devnull, stderr = devnull) - # returns a non-zero exit status, for unknown reasons - - def guests (self): - """Return the list of VMs running on this node""" - guests = [] - if self.ping (): - conn = self.get_connection () - for id in conn.listDomainsID(): - try: - dom = conn.lookupByID (id) - except: - continue - guests.append (dom) - return guests - - def get_connection (self): - """Return cached libvirt connection, fail if not possible.""" - if not self.ping (): - sys.exit ("error: node %s is not awake" % self.name) - if self.conn is not None: - return self.conn - conn = libvirt.open (self.uri) - if conn == None: - sys.exit ("error: could not open a libvirt connection to %s (URI: %s)" % - (self.host, self.uri)) - self.conn = conn - return self.conn diff --git a/run.in b/run.in deleted file mode 100644 index 6394ac1..0000000 --- a/run.in +++ /dev/null @@ -1,22 +0,0 @@ -#!/bin/bash - -# mclu (mini cluster) -# Copyright (C) 2014 Red Hat 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. - -b=@abs_top_builddir@ - -#echo $b/mclu.py -f $b/mclu.conf "$@" -exec $b/mclu.py -f $b/mclu.conf "$@" diff --git a/xmls/.exists b/xmls/.exists deleted file mode 100644 index e69de29..0000000 -- 1.8.3.1