#!/bin/bash

#

# lib/nova_plugins/hypervisor-xenserver

# Configure the XenServer hypervisor

# Enable with:

# VIRT_DRIVER=xenserver

# Dependencies:

# ``functions`` file

# ``nova`` configuration

# install_nova_hypervisor - install any external requirements

# configure_nova_hypervisor - make configuration changes, including those to other services

# start_nova_hypervisor - start any external services

# stop_nova_hypervisor - stop any external services

# cleanup_nova_hypervisor - remove transient data and cache

# Save trace setting

_XTRACE_XENSERVER=$(set +o | grep xtrace)

set +o xtrace

# Defaults

# --------

# Allow ``build_domU.sh`` to specify the flat network bridge via kernel args

FLAT_NETWORK_BRIDGE_DEFAULT=$(sed -e 's/.* flat_network_bridge=\([[:alnum:]]*\).*$/\1/g' /proc/cmdline)

if is_service_enabled neutron; then

XEN_INTEGRATION_BRIDGE_DEFAULT=$(sed -e 's/.* xen_integration_bridge=\([[:alnum:]]*\).*$/\1/g' /proc/cmdline)

XEN_INTEGRATION_BRIDGE=${XEN_INTEGRATION_BRIDGE:-$XEN_INTEGRATION_BRIDGE_DEFAULT}

fi

VNCSERVER_PROXYCLIENT_ADDRESS=${VNCSERVER_PROXYCLIENT_ADDRESS=169.254.0.1}

# Entry Points

# ------------

# clean_nova_hypervisor - Clean up an installation

function cleanup_nova_hypervisor {

# This function intentionally left blank

:

}

# configure_nova_hypervisor - Set config files, create data dirs, etc

function configure_nova_hypervisor {

if [ -z "$XENAPI_CONNECTION_URL" ]; then

die $LINENO "XENAPI_CONNECTION_URL is not specified"

fi

# Check os-xenapi plugin is enabled

local plugins="${DEVSTACK_PLUGINS}"

local plugin

local found=0

for plugin in ${plugins//,/ }; do

if [[ "$plugin" = "os-xenapi" ]]; then

found=1

break

fi

done

if [[ $found -ne 1 ]]; then

die $LINENO "os-xenapi plugin is not specified. Please enable this plugin in local.conf"

fi

read_password XENAPI_PASSWORD "ENTER A PASSWORD TO USE FOR XEN."

iniset $NOVA_CONF DEFAULT compute_driver "xenapi.XenAPIDriver"

iniset $NOVA_CONF xenserver connection_url "$XENAPI_CONNECTION_URL"

iniset $NOVA_CONF xenserver connection_username "$XENAPI_USER"

iniset $NOVA_CONF xenserver connection_password "$XENAPI_PASSWORD"

iniset $NOVA_CONF DEFAULT flat_injected "False"

# Need to avoid crash due to new firewall support

XEN_FIREWALL_DRIVER=${XEN_FIREWALL_DRIVER:-"nova.virt.firewall.IptablesFirewallDriver"}

iniset $NOVA_CONF DEFAULT firewall_driver "$XEN_FIREWALL_DRIVER"

local dom0_ip

dom0_ip=$(echo "$XENAPI_CONNECTION_URL" | cut -d "/" -f 3-)

local ssh_dom0

ssh_dom0="sudo -u $DOMZERO_USER ssh -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null root@$dom0_ip"

# install console logrotate script

tar -czf - -C $NOVA_DIR/tools/xenserver/ rotate_xen_guest_logs.sh |

$ssh_dom0 'tar -xzf - -C /root/ && chmod +x /root/rotate_xen_guest_logs.sh && mkdir -p /var/log/xen/guest'

# Create a cron job that will rotate guest logs

$ssh_dom0 crontab - << CRONTAB

* * * * * /root/rotate_xen_guest_logs.sh >/dev/null 2>&1

CRONTAB

# Create directories for kernels and images

{

echo "set -eux"

cat $TOP_DIR/tools/xen/functions

echo "create_directory_for_images"

echo "create_directory_for_kernels"

echo "install_conntrack_tools"

} | $ssh_dom0

if is_service_enabled neutron; then

# Remove restriction on linux bridge in Dom0 when neutron is enabled

$ssh_dom0 "rm -f /etc/modprobe.d/blacklist-bridge*"

count=`$ssh_dom0 "iptables -t filter -L XenServerDevstack |wc -l"`

if [ "$count" = "0" ]; then

{

echo "iptables -t filter --new XenServerDevstack"

echo "iptables -t filter -I INPUT -j XenServerDevstack"

echo "iptables -t filter -I XenServerDevstack -p tcp --dport 6640 -j ACCEPT"

} | $ssh_dom0

fi

fi

}

# install_nova_hypervisor() - Install external components

function install_nova_hypervisor {

# xenapi functionality is now included in os-xenapi library which houses the plugin

# so this function intentionally left blank

:

}

# start_nova_hypervisor - Start any required external services

function start_nova_hypervisor {

# This function intentionally left blank

:

}

# stop_nova_hypervisor - Stop any external services

function stop_nova_hypervisor {

# This function intentionally left blank

:

}

# Restore xtrace

$_XTRACE_XENSERVER

# Local variables:

# mode: shell-script

# End: