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F #2490: Add new unregister address range functionality

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* Modify the IPAM driver
    * Modify AddressRangePool to call the new action script
    * Add example dummy script
This commit is contained in:
Alejandro Huertas Herrero 2018-10-18 15:20:47 +02:00 committed by Ruben S. Montero
parent a6b8f48c4f
commit 7e36bc7c74
8 changed files with 142 additions and 13 deletions
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5
include/AddressRange.h
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@ -104,6 +104,11 @@ public:
return (type & 0x00000008) != 0;
}
bool is_ipam() const
{
return !attr->vector_value("IPAM_MAD").empty() && attr->vector_value("IPAM_MAD") != "internal";
}
// *************************************************************************
// Address Range initialization functions
// *************************************************************************

14
include/IPAMManager.h
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@ -36,10 +36,11 @@ class IPMAction : public ActionRequest
public:
enum Actions
{
REGISTER_ADDRESS_RANGE, /**< Register/Request a new IP network */
ALLOCATE_ADDRESS, /**< Request a specific IP (or range) */
GET_ADDRESS, /**< Request any free IP (or range) */
FREE_ADDRESS /**< Frees a previously requested IP */
REGISTER_ADDRESS_RANGE, /**< Register/Request a new IP network */
UNREGISTER_ADDRESS_RANGE, /**< Unregister IP network */
ALLOCATE_ADDRESS, /**< Request a specific IP (or range) */
GET_ADDRESS, /**< Request any free IP (or range) */
FREE_ADDRESS /**< Frees a previously requested IP */
};
IPMAction(Actions a, IPAMRequest *r):ActionRequest(ActionRequest::USER),
@ -187,6 +188,11 @@ private:
*/
void register_address_range_action(IPAMRequest * ir);
/**
* Unregisters an address range.
*/
void unregister_address_range_action(IPAMRequest * ir);
/**
* Requests the IPAM a free address (or range)
*/

8
include/IPAMManagerDriver.h
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@ -67,6 +67,14 @@ private:
send_message("REGISTER_ADDRESS_RANGE", id, arg);
}
/**
* Unregister an AddressRange from the IPAM
*/
void unregister_address_range(int id, const std::string& arg) const
{
send_message("UNREGISTER_ADDRESS_RANGE", id, arg);
}
/**
* Get a free address (or range)
*/

1
install.sh
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@ -977,6 +977,7 @@ NETWORK_ETC_FILES="src/vnm_mad/remotes/OpenNebulaNetwork.conf"
# IPAM drivers to be installed under $REMOTES_LOCATION/ipam
#-------------------------------------------------------------------------------
IPAM_DRIVER_DUMMY_SCRIPTS="src/ipamm_mad/remotes/dummy/register_address_range \
src/ipamm_mad/remotes/dummy/unregister_address_range \
src/ipamm_mad/remotes/dummy/allocate_address \
src/ipamm_mad/remotes/dummy/get_address \
src/ipamm_mad/remotes/dummy/free_address"

20
src/ipamm/IPAMManager.cc
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@ -89,6 +89,10 @@ void IPAMManager::user_action(const ActionRequest& ar)
register_address_range_action(request);
break;
case IPMAction::UNREGISTER_ADDRESS_RANGE:
unregister_address_range_action(request);
break;
case IPMAction::ALLOCATE_ADDRESS:
allocate_address_action(request);
break;
@ -140,6 +144,22 @@ void IPAMManager::register_address_range_action(IPAMRequest * ir)
ipammd->register_address_range(ir->id, ir->to_xml64(action_data));
}
/* -------------------------------------------------------------------------- */
void IPAMManager::unregister_address_range_action(IPAMRequest * ir)
{
std::string action_data;
const IPAMManagerDriver * ipammd = setup_request(ir);
if (ipammd == 0)
{
return;
}
ipammd->unregister_address_range(ir->id, ir->to_xml64(action_data));
}
/* -------------------------------------------------------------------------- */
void IPAMManager::get_address_action(IPAMRequest * ir)

26
src/ipamm_mad/one_ipam.rb
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@ -37,13 +37,13 @@ require 'shellwords'
# IPAM Manager driver
class IPAMDriver < OpenNebulaDriver
# IPAM Driver Protocol constants
ACTION = {
:register_address_range => "REGISTER_ADDRESS_RANGE",
:allocate_address => "ALLOCATE_ADDRESS",
:get_address => "GET_ADDRESS",
:free_address => "FREE_ADDRESS"
:register_address_range => "REGISTER_ADDRESS_RANGE",
:unregister_address_range => "UNREGISTER_ADDRESS_RANGE",
:allocate_address => "ALLOCATE_ADDRESS",
:get_address => "GET_ADDRESS",
:free_address => "FREE_ADDRESS"
}
# Init the driver
@ -53,10 +53,11 @@ class IPAMDriver < OpenNebulaDriver
:threaded => false,
:retries => 0,
:local_actions => {
ACTION[:register_address_range] => nil,
ACTION[:allocate_address] => nil,
ACTION[:get_address] => nil,
ACTION[:free_address] => nil
ACTION[:register_address_range] => nil,
ACTION[:unregister_address_range] => nil,
ACTION[:allocate_address] => nil,
ACTION[:get_address] => nil,
ACTION[:free_address] => nil
}
}.merge!(options)
@ -75,6 +76,9 @@ class IPAMDriver < OpenNebulaDriver
register_action(ACTION[:register_address_range].to_sym,
method("register_address_range"))
register_action(ACTION[:unregister_address_range].to_sym,
method("unregister_address_range"))
register_action(ACTION[:allocate_address].to_sym,
method("allocate_address"))
@ -87,6 +91,10 @@ class IPAMDriver < OpenNebulaDriver
do_ipam_action(id, :register_address_range, drv_message)
end
def unregister_address_range(id, drv_message)
do_ipam_action(id, :unregister_address_range, drv_message)
end
def allocate_address(id, drv_message)
do_ipam_action(id, :allocate_address, drv_message)
end

54
src/ipamm_mad/remotes/dummy/unregister_address_range Executable file
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@ -0,0 +1,54 @@
#!/bin/bash
# -------------------------------------------------------------------------- #
# Copyright 2002-2018, 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. #
#--------------------------------------------------------------------------- #
###############################################################################
# This script is used to unregister an AddresRange from the IPAM.
#
# The IPAM driver must return 0 if no errors.
#
# Input Arguments:
# $1 - Base64 encoded XML with AR request
# $2 - Request ID
#
# XML format
# <IPAM_DRIVER_ACTION_DATA>
# <AR>
# <TYPE>IP4</TYPE>
# <IP> First IP in the network in '.' notation
# <MAC> First MAC in the network in ':' notation
# <SIZE>Number of IPs in the network
# <NETWORK_ADDRESS> Base network address
# <NETWORK_MASK> Network mask
# <GATEWAY> Default gateway for the network
# <DNS> DNS servers, a space separated list of servers
# <GUEST_MTU> Sets the MTU for the NICs in this network
# <SEARCH_DOMAIN> for DNS client
#
################################################################################
# ----------- Set up the environment to source common tools & conf ------------
if [ -z "${ONE_LOCATION}" ]; then
LIB_LOCATION=/usr/lib/one
else
LIB_LOCATION=$ONE_LOCATION/lib
fi
. $LIB_LOCATION/sh/scripts_common.sh
exit 0

27
src/vnm/AddressRangePool.cc
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@ -19,6 +19,12 @@
#include "AddressRangeInternal.h"
#include "AddressRangeIPAM.h"
#include "IPAMRequest.h"
#include "IPAMManager.h"
#include "Nebula.h"
#include "NebulaUtil.h"
using namespace std;
AddressRangePool::AddressRangePool():ar_template(false,'=',"AR_POOL"),
@ -196,6 +202,27 @@ int AddressRangePool::rm_ar(unsigned int ar_id, string& error_msg)
AddressRange * ar_ptr = it->second;
if(ar_ptr->is_ipam())
{
IPAMManager * ipamm = Nebula::instance().get_ipamm();
std::ostringstream ar_xml;
ar_ptr->to_xml(ar_xml);
IPAMRequest ir(ar_xml.str());
ipamm->trigger(IPMAction::UNREGISTER_ADDRESS_RANGE, &ir);
ir.wait();
if (ir.result != true)
{
error_msg = ir.message;
return -1;
}
}
ar_pool.erase(it);
delete ar_ptr;