opennebula-node-kvm deploy

dev
santic-zombie 4 months ago
parent 533b86cbbe
commit edc73d3159
  1. 2
      opennebula-common/opennebula-common.post-install
  2. 37
      opennebula-node-kvm/APKBUILD
  3. 4
      opennebula-node-kvm/etc/cron.d/opennebula-node
  4. 30
      opennebula-node-kvm/etc/init.d/opennebula-gate-proxy
  5. 11
      opennebula-node-kvm/etc/logrotate.d/opennebula-gate-proxy
  6. 1
      opennebula-node-kvm/etc/sudoers.d/opennebula-node-kvm
  7. 3
      opennebula-node-kvm/etc/sysctl.d/bridge-nf-call.conf
  8. 57
      opennebula-node-kvm/opennebula-common.post-install
  9. 0
      opennebula-node-kvm/opennebula-node-kvm.post-deinstall
  10. 140
      opennebula-node-kvm/opennebula-node-kvm.post-install
  11. 120
      opennebula-node-kvm/usr/bin/onegate-proxy
  12. 120
      opennebula-node-kvm/usr/bin/qemu-kvm-one-gen
  13. 309
      opennebula-node-kvm/usr/lib/one/onegate-proxy/onegate-proxy.rb

@ -45,7 +45,7 @@ if [ ! -e "${ONEHOME}/.ssh/config" ] && [ -z "$2" ]; then
fi fi
# Set permissions and owner oneadmin:cloud # Set permissions and owner oneadmin:cloud
for F in /var/lock/one /var/log/one /var/run/one for F in /var/lock/one /var/log/one /var/run/one /usr/lib/one
do do
if [ ! -d "${F}" ]; then if [ ! -d "${F}" ]; then
mkdir -p "${F}" mkdir -p "${F}"

@ -9,13 +9,44 @@ arch="noarch"
options="!check" options="!check"
license="Apache" license="Apache"
depends="" depends="
opennebula-common
libvirt-daemon
qemu-img
qemu-system-x86_64
ruby
vlan
ipset
pciutils
rsync
tar
cronie
logrotate
augeas
libxml2
iptables"
install=" install="
${pkgname}.post-install ${pkgname}.post-install
${pkgname}.post-deinstall" ${pkgname}.post-deinstall"
source="" source="
/etc/cron.d/opennebula-node
/etc/init.d/opennebula-gate-proxy
/etc/logrotate.d/opennebula-gate-proxy
/etc/sudoers.d/opennebula-node-kvm
/etc/sysctl.d/bridge-nf-call.conf
/usr/bin/onegate-proxy
/usr/bin/qemu-kvm-one-gen
/usr/lib/one/onegate-proxy/onegate-proxy.rb
"
package() { package() {
} install -Dm700 "${srcdir}/etc/cron.d/opennebula-node" "${pkgdir}/etc/cron.d/opennebula-node"
install -Dm755 "${srcdir}/etc/init.d/opennebula-gate-proxy" "${pkgdir}/etc/init.d/opennebula-gate-proxy"
install -Dm644 "${srcdir}/etc/logrotate.d/opennebula-gate-proxy" "${pkgdir}/etc/logrotate.d/opennebula-gate-proxy"
install -Dm400 "${srcdir}/etc/sudoers.d/opennebula-node-kvm" "${pkgdir}/etc/sudoers.d/opennebula-node-kvm"
install -Dm644 "${srcdir}/etc/sysctl.d/bridge-nf-call.conf" "${pkgdir}/etc/sysctl.d/bridge-nf-call.conf"
install -Dm744 "${srcdir}/usr/bin/onegate-proxy" "${pkgdir}/usr/bin/onegate-proxy"
install -Dm744 "${srcdir}/usr/bin/qemu-kvm-one-gen" "${pkgdir}/usr/bin/qemu-kvm-one-gen"
install -Dm744 -o oneadmin -g cloud "${srcdir}/usr/lib/one/onegate-proxy/onegate-proxy.rb" "${pkgdir}/usr/lib/one/onegate-proxy/onegate-proxy.rb"

@ -0,0 +1,4 @@
SHELL=/bin/sh
# activate LVM volumes on reboot
@reboot oneadmin test -x /var/tmp/one/tm/fs_lvm/activate && /var/tmp/one/tm/fs_lvm/activate >/dev/null 2>&1

@ -0,0 +1,30 @@
#!/sbin/openrc-run
name=$RC_SVCNAME
description="OpenNebula Gate Proxy Service"
command="/usr/bin/ruby /usr/lib/one/onegate-proxy/onegate-proxy.rb"
command_user="oneadmin:cloud"
pidfile="/run/one/${RC_SVCNAME}.pid"
supervisor="supervise-daemon"
depend() {
need opennebula
after syslog networking netmount
}
start() {
ebegin "Starting $RC_SVCNAME"
start-stop-daemon --background \
--exec $command \
--make-pidfile --pidfile $pidfile --user $command_user \
--start
eend $?
}
stop() {
ebegin "Stopping $RC_SVCNAME"
start-stop-daemon --stop \
--exec $command \
--pidfile $pidfile --user $command_user
eend $?
}

@ -0,0 +1,11 @@
/var/log/one/onegate-proxy.log {
delaycompress
dateext
dateformat -%Y%m%d-%s
compress
weekly
rotate 52
missingok
notifempty
copytruncate
}

@ -0,0 +1 @@
oneadmin ALL=(ALL:ALL) NOPASSWD: ONE_CEPH, ONE_NET, ONE_OVS, ONE_LVM, ONE_MEM, ONE_VGPU

@ -0,0 +1,3 @@
net.bridge.bridge-nf-call-arptables = 1
net.bridge.bridge-nf-call-ip6tables = 1
net.bridge.bridge-nf-call-iptables = 1

@ -1,57 +0,0 @@
#!/bin/sh
set -e
ONEHOME=/var/lib/one
ONE_GROUP=cloud
ONE_USER=oneadmin
ONE_UID=9869
ONE_GID=9869
ONE_COMMENT="OpenNebula administrator account"
create_cloudgroup() {
if ! getent group $ONE_GROUP > /dev/null 2>&1; then
addgroup --system --gid $ONE_GID $ONE_GROUP
fi
}
create_oneuser() {
if ! getent passwd $ONE_USER > /dev/null 2>&1; then
adduser --system --gecos "$ONE_COMMENT" --uid $ONE_UID --ingroup $ONE_GROUP --home $ONEHOME --shell /bin/ash $ONE_USER
else
ONEHOME=`getent passwd $ONE_USER | cut -f6 -d:`
# Renable user (give him a shell)
usermod --shell /bin/ash $ONE_USER
fi
if ! getent group disk | grep "\b$ONE_USER\b" &>/dev/null; then
usermod -a -G disk $ONE_USER
fi
}
create_cloudgroup
create_oneuser
# Install ~oneadmin/.ssh/config if not present on a fresh install only
if [ ! -e "${ONEHOME}/.ssh/config" ] && [ -z "$2" ]; then
if [ ! -d "${ONEHOME}/.ssh" ]; then
mkdir -p "${ONEHOME}/.ssh"
chmod 0700 "${ONEHOME}/.ssh"
chown "$ONE_USER:$ONE_GROUP" "${ONEHOME}/.ssh"
fi
cp /usr/share/one/ssh/config "${ONEHOME}/.ssh/config"
chmod 0600 "${ONEHOME}/.ssh/config"
chown "$ONE_USER:$ONE_GROUP" "${ONEHOME}/.ssh/config"
fi
# Set permissions and owner oneadmin:cloud
for F in /var/lock/one /var/log/one /var/run/one
do
if [ ! -d "${F}" ]; then
mkdir -p "${F}"
chmod 0750 "${F}"
chown "${ONE_USER}:${ONE_GROUP}" "${F}"
fi
done
exit 0

@ -0,0 +1,140 @@
#!/bin/sh
set -e
ONEHOME=/var/lib/one
ONE_GROUP=cloud
ONE_USER=oneadmin
# Add oneadmin user into libvirt group
if getent group libvirt >/dev/null && ! getent group libvirt | cut -f4 -d: | grep -q "\<$ONE_USER\>"; then
adduser $ONE_USER libvirt
fi
# Add oneadmin user into kvm group
if getent group kvm >/dev/null && ! getent group kvm | cut -f4 -d: | grep -q "\<$ONE_USER\>"; then
adduser $ONE_USER kvm
fi
# Backup libvirt/QEMU configuration, reconfigure for OpenNebula
if [ -e /etc/libvirt/qemu.conf ]; then
cp -f /etc/libvirt/qemu.conf "/etc/libvirt/qemu.conf.$(date +'%Y-%m-%d_%H:%M:%S')"
fi
AUGTOOL=$(augtool -A 2>/dev/null <<EOF
set /augeas/load/Libvirtd_qemu/lens Libvirtd_qemu.lns
set /augeas/load/Libvirtd_qemu/incl /etc/libvirt/qemu.conf
load
set /files/etc/libvirt/qemu.conf/user oneadmin
set /files/etc/libvirt/qemu.conf/group cloud
set /files/etc/libvirt/qemu.conf/dynamic_ownership 0
save
EOF
)
# generate generic qemu-kvm-one symlink
/usr/bin/qemu-kvm-one-gen
if [ -n "${AUGTOOL}" ] && [ -z "${AUGTOOL##*Saved *}" ]; then
systemctl try-restart libvirtd 2>/dev/null || true
fi
# # Automatically added by dh_systemd_enable/12.10ubuntu1
# if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
# if deb-systemd-helper debian-installed 'opennebula-gate-proxy.service'; then
# # This will only remove masks created by d-s-h on package removal.
# deb-systemd-helper unmask 'opennebula-gate-proxy.service' >/dev/null || true
#
# if deb-systemd-helper --quiet was-enabled 'opennebula-gate-proxy.service'; then
# # Create new symlinks, if any.
# deb-systemd-helper enable 'opennebula-gate-proxy.service' >/dev/null || true
# fi
# fi
#
# # Update the statefile to add new symlinks (if any), which need to be cleaned
# # up on purge. Also remove old symlinks.
# deb-systemd-helper update-state 'opennebula-gate-proxy.service' >/dev/null || true
# fi
# # End automatically added section
create_cloudgroup() {
if ! getent group $ONE_GROUP > /dev/null 2>&1; then
addgroup --system --gid $ONE_GID $ONE_GROUP
fi
}
create_oneuser() {
if ! getent passwd $ONE_USER > /dev/null 2>&1; then
adduser --system --gecos "$ONE_COMMENT" --uid $ONE_UID --ingroup $ONE_GROUP --home $ONEHOME --shell /bin/ash $ONE_USER
else
ONEHOME=`getent passwd $ONE_USER | cut -f6 -d:`
# Renable user (give him a shell)
usermod --shell /bin/ash $ONE_USER
fi
if ! getent group disk | grep "\b$ONE_USER\b" &>/dev/null; then
usermod -a -G disk $ONE_USER
fi
}
create_cloudgroup
create_oneuser
# Install ~oneadmin/.ssh/config if not present on a fresh install only
if [ ! -e "${ONEHOME}/.ssh/config" ] && [ -z "$2" ]; then
if [ ! -d "${ONEHOME}/.ssh" ]; then
mkdir -p "${ONEHOME}/.ssh"
chmod 0700 "${ONEHOME}/.ssh"
chown "$ONE_USER:$ONE_GROUP" "${ONEHOME}/.ssh"
fi
cp /usr/share/one/ssh/config "${ONEHOME}/.ssh/config"
chmod 0600 "${ONEHOME}/.ssh/config"
chown "$ONE_USER:$ONE_GROUP" "${ONEHOME}/.ssh/config"
fi
# Set permissions and owner oneadmin:cloud
for F in /var/lock/one /var/log/one /var/run/one
do
if [ ! -d "${F}" ]; then
mkdir -p "${F}"
chmod 0750 "${F}"
chown "${ONE_USER}:${ONE_GROUP}" "${F}"
fi
done
exit 0

@ -0,0 +1,120 @@
#!/bin/bash
# -------------------------------------------------------------------------- #
# Copyright 2002-2023, OpenNebula Project, OpenNebula Systems #
# #
# Licensed under the Apache License, Version 2.0 (the "License"); you may #
# not use this file except in compliance with the License. You may obtain #
# a copy of the License at #
# #
# http://www.apache.org/licenses/LICENSE-2.0 #
# #
# Unless required by applicable law or agreed to in writing, software #
# distributed under the License is distributed on an "AS IS" BASIS, #
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. #
# See the License for the specific language governing permissions and #
# limitations under the License. #
#--------------------------------------------------------------------------- #
if [ -z "$ONE_LOCATION" ]; then
ONEGATE_PROXY_PID=/var/run/one/onegate-proxy.pid
ONEGATE_PROXY_SERVER=/usr/lib/one/onegate-proxy/onegate-proxy.rb
ONEGATE_PROXY_LOCK_FILE=/var/lock/one/.onegate-proxy.lock
ONEGATE_PROXY_LOG=/var/log/one/onegate-proxy.log
ONEGATE_PROXY_LOG_ERROR=/var/log/one/onegate-proxy.error
else
ONEGATE_PROXY_PID=$ONE_LOCATION/var/onegate-proxy.pid
ONEGATE_PROXY_SERVER=$ONE_LOCATION/lib/onegate-proxy/onegate-proxy.rb
ONEGATE_PROXY_LOCK_FILE=$ONE_LOCATION/var/.onegate-proxy.lock
ONEGATE_PROXY_LOG=$ONE_LOCATION/var/onegate-proxy.log
ONEGATE_PROXY_LOG_ERROR=$ONE_LOCATION/var/onegate-proxy.error
fi
setup()
{
if [ -f $ONEGATE_PROXY_LOCK_FILE ]; then
if [ -f $ONEGATE_PROXY_PID ]; then
ONEGATEPID=`cat $ONEGATE_PROXY_PID`
ps $ONEGATEPID &> /dev/null
if [ $? -eq 0 ]; then
echo -n "OneGate Server is still running (PID:$ONEGATEPID). Please "
echo "try 'onegate-proxy stop' first."
exit 1
fi
fi
echo "Stale .lock detected. Erasing it."
rm $ONEGATE_PROXY_LOCK_FILE
fi
}
start()
{
if [ ! -f "$ONEGATE_PROXY_SERVER" ]; then
echo "Cannot find $ONEGATE_PROXY_SERVER."
exit 1
fi
# Start the onegate daemon
touch $ONEGATE_PROXY_LOCK_FILE
ruby $ONEGATE_PROXY_SERVER > $ONEGATE_PROXY_LOG 2>$ONEGATE_PROXY_LOG_ERROR &
LASTPID=$!
if [ $? -ne 0 ]; then
echo "Error executing onegate-proxy."
echo "Check $ONEGATE_PROXY_LOG_ERROR and $ONEGATE_PROXY_LOG for more information"
exit 1
else
echo $LASTPID > $ONEGATE_PROXY_PID
fi
sleep 1
ps $LASTPID &> /dev/null
if [ $? -ne 0 ]; then
echo "Error executing onegate-proxy."
echo "Check $ONEGATE_PROXY_LOG_ERROR and $ONEGATE_PROXY_LOG for more information"
exit 1
fi
echo "onegate-proxy started"
}
#
# Function that stops the daemon/service
#
stop()
{
if [ ! -f $ONEGATE_PROXY_PID ]; then
echo "Couldn't find onegate-proxy process pid."
exit 1
fi
# Kill the onegate daemon
kill -INT `cat $ONEGATE_PROXY_PID` &> /dev/null
# Remove pid files
rm -f $ONEGATE_PROXY_LOCK_FILE &> /dev/null
rm -f $ONEGATE_PROXY_PID &> /dev/null
echo "onegate-proxy stopped"
}
case "$1" in
start)
setup
start
;;
stop)
stop
;;
restart)
stop
setup
start
;;
*)
echo "Usage: onegate-proxy {start|stop|restart}" >&2
exit 3
;;
esac

@ -0,0 +1,120 @@
#!/bin/sh
# -------------------------------------------------------------------------- #
# Copyright 2002-2023, OpenNebula Project, OpenNebula Systems #
# #
# Licensed under the Apache License, Version 2.0 (the "License"); you may #
# not use this file except in compliance with the License. You may obtain #
# a copy of the License at #
# #
# http://www.apache.org/licenses/LICENSE-2.0 #
# #
# Unless required by applicable law or agreed to in writing, software #
# distributed under the License is distributed on an "AS IS" BASIS, #
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. #
# See the License for the specific language governing permissions and #
# limitations under the License. #
#--------------------------------------------------------------------------- #
set -e
CMD=$(basename ${0})
# file path to the new qemu-kvm symlink
QEMU_ONE="/usr/bin/qemu-kvm-one"
#
# functions
#
print_usage()
{
cat <<EOF
NAME:
${CMD} - System agnostic QEMU/KVM symlink generator
It will try to find a qemu-kvm binary in the system from a list of known
paths and if successful - it will create a proper symlink:
'${QEMU_ONE}'
USAGE:
${CMD} [-f|--force]
Find the system QEMU binary and create the symlink
-f|--force: This option will overwrite existing symlink or file
${CMD} -h|--help
Print this help
EOF
}
#
# main
#
FORCE_CREATE=
case "$1" in
'')
:
;;
-h|--help)
print_usage
exit 0
;;
-f|--force)
FORCE_CREATE=yes
;;
*)
echo "ERROR: ${CMD}: Unknown option '${1}' !" >&2
print_usage >&2
exit 1
;;
esac
# find cpu arch or default to x86_64
if command -v arch >/dev/null 2>&1 ; then
ARCH=$(arch)
else
ARCH="x86_64"
fi
# verify that symlink is not already created
if [ -L "${QEMU_ONE}" ] ; then
# symlink already exists
qemu_target=$(readlink "${QEMU_ONE}")
if [ -e "${qemu_target}" ] && [ -z "${FORCE_CREATE}" ] ; then
# symlink is valid
exit 0
fi
elif [ -e "${QEMU_ONE}" ] ; then
# there is a file of the same name and it is not a symlink
if [ -z "${FORCE_CREATE}" ] ; then
echo "ERROR: ${CMD}: File '${QEMU_ONE}' already exists but it is not a symlink !" >&2
exit 1
else
# --force is used
rm -f "${QEMU_ONE}"
fi
fi
# search the known paths for qemu binary
#
# NOTE: you can add new supported paths here in the future
for QEMU_BIN in \
/usr/libexec/qemu-kvm \
/usr/bin/qemu-kvm \
/usr/bin/qemu-system-${ARCH} \
;
do
if [ -e "${QEMU_BIN}" ] ; then
ln -s ${FORCE_CREATE:+-f} "${QEMU_BIN}" "${QEMU_ONE}"
exit 0
fi
done
# no qemu binary found -> we signal error and exit
echo "ERROR: ${CMD}: No qemu kvm binary found !" >&2
exit 1

@ -0,0 +1,309 @@
#!/usr/bin/env ruby
# -------------------------------------------------------------------------- #
# Copyright 2002-2023, OpenNebula Project, OpenNebula Systems #
# #
# Licensed under the Apache License, Version 2.0 (the "License"); you may #
# not use this file except in compliance with the License. You may obtain #
# a copy of the License at #
# #
# http://www.apache.org/licenses/LICENSE-2.0 #
# #
# Unless required by applicable law or agreed to in writing, software #
# distributed under the License is distributed on an "AS IS" BASIS, #
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. #
# See the License for the specific language governing permissions and #
# limitations under the License. #
#--------------------------------------------------------------------------- #
# frozen_string_literal: true
# rubocop:disable Lint/MissingCopEnableDirective
# rubocop:disable Lint/RedundantRequireStatement
# rubocop:disable Layout/FirstHashElementIndentation
# rubocop:disable Layout/HashAlignment
# rubocop:disable Layout/HeredocIndentation
# rubocop:disable Layout/IndentationWidth
# rubocop:disable Style/HashSyntax
# rubocop:disable Style/ParallelAssignment
ONE_LOCATION = ENV['ONE_LOCATION']
if !ONE_LOCATION
RUBY_LIB_LOCATION = '/usr/lib/one/ruby'
GEMS_LOCATION = '/usr/share/one/gems'
ETC_LOCATION = '/etc/one'
REMOTES_LOCATION = '/var/tmp/one'
else
RUBY_LIB_LOCATION = ONE_LOCATION + '/lib/ruby'
GEMS_LOCATION = ONE_LOCATION + '/share/gems'
ETC_LOCATION = ONE_LOCATION + '/etc'
REMOTES_LOCATION = ONE_LOCATION + '/var/remotes'
end
CONFIGURATION_FILE = REMOTES_LOCATION + '/etc/onegate-proxy.conf'
# %%RUBYGEMS_SETUP_BEGIN%%
if File.directory?(GEMS_LOCATION)
real_gems_path = File.realpath(GEMS_LOCATION)
if !defined?(Gem) || Gem.path != [real_gems_path]
$LOAD_PATH.reject! {|p| p =~ /vendor_ruby/ }
# Suppress warnings from Rubygems
# https://github.com/OpenNebula/one/issues/5379
begin
verb = $VERBOSE
$VERBOSE = nil
require 'rubygems'
Gem.use_paths(real_gems_path)
ensure
$VERBOSE = verb
end
end
end
# %%RUBYGEMS_SETUP_END%%
$LOAD_PATH << RUBY_LIB_LOCATION
require 'async/io'
require 'async/io/stream'
require 'async/io/trap'
require 'etc'
require 'pp'
require 'rb-inotify'
require 'socket'
require 'yaml'
$stdout.sync = true
$stderr.sync = true
DEFAULT_OPTIONS = {
:debug_level => 2, # 0 = ERROR, 1 = WARNING, 2 = INFO, 3 = DEBUG
:process_owner => 'oneadmin',
:onegate_addr => '127.0.0.1',
:onegate_port => '5030',
:service_addr => '169.254.16.9'
}.freeze
# Proxy-class for converting log levels between OpenNebula and
# the socketry/console library. It also splits specific log levels
# into separate stdout and stderr loggers.
class Logger
LOG_LEVEL_MAP = {
0 => '3', # ERROR
1 => '2', # WARN
2 => '1', # INFO
3 => '0' # DEBUG
}.freeze
def initialize(log_level = 2)
@out = Console::Logger.default_logger $stdout, {
'CONSOLE_LEVEL' => LOG_LEVEL_MAP[log_level]
}
@err = Console::Logger.default_logger $stderr, {
'CONSOLE_LEVEL' => LOG_LEVEL_MAP[log_level]
}
end
# rubocop:disable Style/ArgumentsForwarding
def error(*args, &block)
@err.error(*args, &block)
end
def warn(*args, &block)
@err.warn(*args, &block)
end
def info(*args, &block)
@out.info(*args, &block)
end
def debug(*args, &block)
@err.debug(*args, &block)
end
# rubocop:enable Style/ArgumentsForwarding
end
# Class that implements a classic two-way TCP socket proxy (async).
class OneGateProxy
def initialize(options = {})
@options = DEFAULT_OPTIONS.dup.merge! options
@options.each {|k, v| instance_variable_set("@#{k}", v) }
@logger = Logger.new options[:debug_level]
@sigint = Async::IO::Trap.new :INT
@sigint.install!
@inotify = setup_inotify
@inotify_io = Async::IO::Generic.new @inotify.to_io
@proxy_ep = Async::IO::Endpoint.socket setup_socket
end
def run
# NOTE: At this point all config should be set in stone,
# we can drop root privileges..
drop_privileges
Async do |task|
# Make CTRL-C work..
task.async do
@sigint.wait { exit 0 }
end
# Handle filesystem notifications..
task.async do
@inotify.process while @inotify_io.wait_readable
end
glue_peers task
end
end
private
def drop_privileges
new_gid, new_uid = Etc.getpwnam(@process_owner).gid,
Etc.getpwnam(@process_owner).uid
@logger.info(self) do
"Drop root privileges -> #{@process_owner}"
end
Process::Sys.setgid new_gid
Process::Sys.setuid new_uid
end
def setup_inotify
inotify = INotify::Notifier.new
inotify.watch(CONFIGURATION_FILE, :modify) do
@logger.info(self) do
"#{CONFIGURATION_FILE} has been just updated, exiting.."
end
# We assume here that the service will be restarted by
# the service manager.
exit 0
end
inotify
rescue Errno::ENOENT => e
@logger.error(self) do
e.message
end
# We assume here that the service will be restarted by
# the service manager.
exit e.class::Errno
end
def setup_service_addr
# NOTE: We need the service_addr to be defined on one of the interfaces
# inside the host, one natural choice is the loopback interface (lo).
# Effectively we set it once, subsequent restarts of the service should
# honor the idempotence.
ip_address_add_cmd = lambda do |cidr_host, nic_device|
check = "[ -n \"$(ip a s to '#{cidr_host}' dev '#{nic_device}')\" ]"
apply = "ip a a '#{cidr_host}' dev '#{nic_device}'"
"#{check.strip} >/dev/null 2>&1 || #{apply.strip}"
end
system ip_address_add_cmd.call "#{@service_addr}/32", 'lo'
end
def setup_socket(listen = Socket::SOMAXCONN)
# NOTE: Must be executed before calling bind(), otherwise it fails..
setup_service_addr
sock = Socket.new Socket::AF_INET, Socket::SOCK_STREAM, 0
sock.setsockopt Socket::SOL_SOCKET, Socket::SO_REUSEADDR, 1
@logger.info(self) do
"Bind #{Addrinfo.tcp(@service_addr, @onegate_port).inspect}"
end
sock.bind Socket.pack_sockaddr_in(@onegate_port, @service_addr)
sock.listen listen
sock
end
def glue_streams(stream1, stream2, task)
Async do
concurrent = []
concurrent << task.async do
while (chunk = stream1.read_partial)
stream2.write chunk
stream2.flush
end
end
concurrent << task.async do
while (chunk = stream2.read_partial)
stream1.write chunk
stream1.flush
end
end
concurrent.each(&:wait)
end
end
def glue_peers(task)
@proxy_ep.accept do |vm_peer|
@logger.debug(self) do
"Accept #{vm_peer.remote_address.inspect}"
end
begin
gate_ep = Async::IO::Endpoint.tcp @onegate_addr,
@onegate_port
gate_ep.connect do |gate_peer|
vm_stream, gate_stream = Async::IO::Stream.new(vm_peer),
Async::IO::Stream.new(gate_peer)
glue_streams(vm_stream, gate_stream, task).wait
@logger.debug(self) do
"Close #{gate_peer.remote_address.inspect}"
end
gate_peer.close
end
rescue Errno::ECONNREFUSED,
Errno::ECONNRESET,
Errno::EHOSTUNREACH,
Errno::ETIMEDOUT => e
@logger.error(self) do
e.message
end
end
@logger.debug(self) do
"Close #{vm_peer.remote_address.inspect}"
end
vm_peer.close
end
end
end
if caller.empty?
options = DEFAULT_OPTIONS.dup
# NOTE: The "CONFIGURATION_FILE" is updated during the host sync procedure.
begin
options.merge! YAML.load_file(CONFIGURATION_FILE)
rescue StandardError => e
warn "Error parsing config file #{CONFIGURATION_FILE}: #{e.message}"
exit 1
end
puts <<~HEADER
--------------------------------------
Proxy configuration
--------------------------------------
#{options.pretty_inspect.strip}
--------------------------------------
HEADER
service = OneGateProxy.new options
service.run
end
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