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authorHarry Huang <huangxiangyu5@huawei.com>2018-12-20 18:54:44 +0800
committerHarry Huang <huangxiangyu5@huawei.com>2018-12-20 19:43:41 +0800
commitca317c8a9891c38ce0777ef2eba4f51716092a14 (patch)
tree09d3d340871093c95415673dcb2a92f675ae3926 /compass-deck/db/api
parentf347757444c74a3d597dc353aa92d88a0f6282bb (diff)
Add reserved_range in subnet table
JIRA: COMPASS-612 1. reserved_range can be range and individual ips e.g. "10.1.0.0-10.1.0.50, 10.1.0.66" 2. IP within reserved range will cause an error Change-Id: If2160af165a57cab3bc8b528379879cad42a5db0 Signed-off-by: Harry Huang <huangxiangyu5@huawei.com>
Diffstat (limited to 'compass-deck/db/api')
-rw-r--r--compass-deck/db/api/host.py51
-rw-r--r--compass-deck/db/api/network.py40
-rw-r--r--compass-deck/db/api/utils.py1
3 files changed, 79 insertions, 13 deletions
diff --git a/compass-deck/db/api/host.py b/compass-deck/db/api/host.py
index 15e0bb6..61e3ab2 100644
--- a/compass-deck/db/api/host.py
+++ b/compass-deck/db/api/host.py
@@ -16,6 +16,7 @@
import functools
import logging
import netaddr
+import ipaddress
import re
from compass.db.api import database
@@ -23,6 +24,7 @@ from compass.db.api import metadata_holder as metadata_api
from compass.db.api import permission
from compass.db.api import user as user_api
from compass.db.api import utils
+from compass.db.api import network
from compass.db import exception
from compass.db import models
from compass.utils import util
@@ -642,6 +644,35 @@ def get_hostnetwork(host_network_id, user=None, session=None, **kwargs):
return _get_hostnetwork(host_network_id, session=session)
+def check_ip_available(subnet, ip):
+ if not subnet.reserved_range:
+ return
+ ip_int = int(ipaddress.IPv4Address(ip.decode()))
+ reserved_ranges = []
+ reserved_ips = []
+ for item in subnet.reserved_range.split(','):
+ ip_ends = item.split('-')
+ if len(ip_ends) == 2:
+ reserved_ranges.append(item)
+ elif len(ip_ends) == 1:
+ reserved_ips.append(item)
+ for item in reserved_ranges:
+ ends = item.split('-')
+ check_1 = int(ipaddress.IPv4Address(ends[0].decode())) - ip_int
+ check_2 = int(ipaddress.IPv4Address(ends[1].decode())) - ip_int
+ if (check_1 > 0) ^ (check_2 > 0):
+ raise exception.Forbidden(
+ 'IP %s is reserved, reserved range: %s'
+ % (ip, subnet.reserved_range)
+ )
+ for item in reserved_ips:
+ if ip_int == int(ipaddress.IPv4Address(item.decode())):
+ raise exception.Forbidden(
+ 'IP %s is reserved, reserved range: %s'
+ % (ip, subnet.reserved_range)
+ )
+
+
@utils.supported_filters(
ADDED_NETWORK_FIELDS,
optional_support_keys=OPTIONAL_ADDED_NETWORK_FIELDS,
@@ -652,17 +683,20 @@ def get_hostnetwork(host_network_id, user=None, session=None, **kwargs):
)
@utils.wrap_to_dict(RESP_NETWORK_FIELDS)
def _add_host_network(
- host_id, exception_when_existing=True,
- session=None, user=None, interface=None, ip=None, **kwargs
+ host_id, exception_when_existing=True, session=None,
+ user=None, interface=None, ip=None, subnet_id=None, **kwargs
):
"""Add hostnetwork to a host."""
host = _get_host(host_id, session=session)
check_host_editable(host, user=user)
+ subnet = network.get_subnet_internal(subnet_id, session=session)
+ check_ip_available(subnet, ip)
user_id = user.id
return utils.add_db_object(
session, models.HostNetwork,
exception_when_existing,
- host.id, interface, user_id, ip=ip, **kwargs
+ host.id, interface, user_id,
+ ip=ip, subnet_id=subnet_id, **kwargs
)
@@ -671,14 +705,13 @@ def _add_host_network(
permission.PERMISSION_ADD_HOST_NETWORK
)
def add_host_network(
- host_id, exception_when_existing=True,
- interface=None, user=None, session=None, **kwargs
+ host_id, exception_when_existing=True, interface=None,
+ user=None, session=None, subnet_id=None, **kwargs
):
"""Create a hostnetwork to a host."""
return _add_host_network(
- host_id,
- exception_when_existing,
- interface=interface, session=session, user=user, **kwargs
+ host_id, exception_when_existing, interface=interface,
+ user=user, session=session, subnet_id=subnet_id, **kwargs
)
@@ -747,6 +780,8 @@ def _update_host_network(
):
"""Update host network."""
check_host_editable(host_network.host, user=user)
+ subnet = network.get_subnet_internal(host_network.subnet_id, session=session)
+ check_ip_available(subnet, ip)
return utils.update_db_object(session, host_network, **kwargs)
diff --git a/compass-deck/db/api/network.py b/compass-deck/db/api/network.py
index e505344..763b0b3 100644
--- a/compass-deck/db/api/network.py
+++ b/compass-deck/db/api/network.py
@@ -15,6 +15,7 @@
"""Network related database operations."""
import logging
import netaddr
+import ipaddress
import re
from compass.db.api import database
@@ -27,14 +28,15 @@ from compass.db import models
SUPPORTED_FIELDS = ['subnet', 'name', 'gateway']
RESP_FIELDS = [
- 'id', 'name', 'subnet', 'gateway', 'created_at', 'updated_at'
+ 'id', 'name', 'subnet', 'gateway', 'created_at',
+ 'updated_at', 'reserved_range'
]
ADDED_FIELDS = ['subnet']
-OPTIONAL_ADDED_FIELDS = ['name', 'gateway']
+OPTIONAL_ADDED_FIELDS = ['name', 'gateway', 'reserved_range']
IGNORE_FIELDS = [
'id', 'created_at', 'updated_at'
]
-UPDATED_FIELDS = ['subnet', 'name', 'gateway']
+UPDATED_FIELDS = ['subnet', 'name', 'gateway', 'reserved_range']
def _check_subnet(subnet):
@@ -47,6 +49,29 @@ def _check_subnet(subnet):
'subnet %s format unrecognized' % subnet)
+def _check_ip_range(ip_ranges):
+ """Check if the ip range is valid.
+ The valid range can be a range or individual ips.
+ Range should be two ips jointed with "-", different ip
+ ranges and ips should be separated by ","
+ e.g. "10.1.0.0-10.1.0.50, 10.1.0.60"
+ """
+ for ip_range in ip_ranges.split(','):
+ ip_ends = ip_range.split('-')
+ try:
+ ipaddress.IPv4Address(ip_ends[0].decode())
+ if len(ip_ends) == 2:
+ ipaddress.IPv4Address(ip_ends[1].decode())
+ except Exception as error:
+ logging.exception(error)
+ raise exception.InvalidParameter(
+ 'ip range %s format unrecognized' % ip_ranges)
+ finally:
+ if len(ip_ends) > 2:
+ raise exception.InvalidParameter(
+ 'ip range %s format unrecognized' % ip_ranges)
+
+
@utils.supported_filters(optional_support_keys=SUPPORTED_FIELDS)
@database.run_in_session()
@user_api.check_user_permission(
@@ -72,6 +97,11 @@ def _get_subnet(subnet_id, session=None, **kwargs):
)
+def get_subnet_internal(subnet_id, session=None, **kwargs):
+ """"Helper function to get subnet."""
+ return _get_subnet(subnet_id=subnet_id, session=session, **kwargs)
+
+
@utils.supported_filters([])
@database.run_in_session()
@user_api.check_user_permission(
@@ -93,7 +123,7 @@ def get_subnet(
ADDED_FIELDS, optional_support_keys=OPTIONAL_ADDED_FIELDS,
ignore_support_keys=IGNORE_FIELDS
)
-@utils.input_validates(subnet=_check_subnet)
+@utils.input_validates(subnet=_check_subnet, reserved_range=_check_ip_range)
@database.run_in_session()
@user_api.check_user_permission(
permission.PERMISSION_ADD_SUBNET
@@ -114,7 +144,7 @@ def add_subnet(
optional_support_keys=UPDATED_FIELDS,
ignore_support_keys=IGNORE_FIELDS
)
-@utils.input_validates(subnet=_check_subnet)
+@utils.input_validates(subnet=_check_subnet, reserved_range=_check_ip_range)
@database.run_in_session()
@user_api.check_user_permission(
permission.PERMISSION_ADD_SUBNET
diff --git a/compass-deck/db/api/utils.py b/compass-deck/db/api/utils.py
index ef975ef..8921b4a 100644
--- a/compass-deck/db/api/utils.py
+++ b/compass-deck/db/api/utils.py
@@ -1219,6 +1219,7 @@ def check_power_manage(power_manage):
if not isinstance(power_manage, dict):
raise exception.InvalidParameter(
'invalid power manage %s' % power_manage
+
)
for key in power_manage:
if key not in ['ip', 'username', 'password']: