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From "DeepthiMachiraju (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CLOUDSTACK-9969) Public IP acquired from additional public ranges which is static nat enabled is set to true post releasing the IP in VPC VR.
Date Tue, 20 Jun 2017 10:52:00 GMT
DeepthiMachiraju created CLOUDSTACK-9969:
--------------------------------------------

             Summary: Public IP acquired  from additional public ranges which is  static nat
enabled is set to true  post releasing the IP in VPC VR.
                 Key: CLOUDSTACK-9969
                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-9969
             Project: CloudStack
          Issue Type: Bug
      Security Level: Public (Anyone can view this level - this is the default.)
          Components: Virtual Router, VPC
    Affects Versions: 4.10.0.0
            Reporter: DeepthiMachiraju
             Fix For: 4.10.0.0
         Attachments: cloud.log, management-server.log

- Create VPC and create multiple tiers within VPC.
- Acquire IP from additional Public Range and ENable static nat on the IP.

============== rules created after the above step =============================

- Here eth4 : 10.x.203 , 10.x.204 are the acquired ip 
- 10.147.52.203 is static nat enabled.

root@r-199-VM:~# ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
    link/ether 0e:00:a9:fe:02:5f brd ff:ff:ff:ff:ff:ff
    inet 169.254.2.95/16 brd 169.254.255.255 scope global eth0
3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
    link/ether 06:3b:84:00:00:0e brd ff:ff:ff:ff:ff:ff
    inet 10.147.30.113/24 brd 10.147.30.255 scope global eth1
4: eth2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
    link/ether 02:00:06:b4:00:02 brd ff:ff:ff:ff:ff:ff
    inet 192.168.2.1/24 brd 192.168.2.255 scope global eth2
5: eth3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
    link/ether 02:00:05:12:00:02 brd ff:ff:ff:ff:ff:ff
    inet 192.168.1.1/24 brd 192.168.1.255 scope global eth3
6: eth4: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
    link/ether 06:56:62:00:00:1f brd ff:ff:ff:ff:ff:ff
    inet 10.147.52.203/24 brd 10.147.52.255 scope global eth4
    inet 10.147.52.204/24 brd 10.147.52.255 scope global secondary eth4



root@r-199-VM:/etc/cloudstack# cat forwardingrules.json
{
    "10.147.52.203": [
        {
            "internal_ip": "192.168.1.90",
            "public_ip": "10.147.52.203",
            "type": "staticnat"
        }
    ],
    "id": "forwardingrules"

===================== ips.json ================

root@r-199-VM:/etc/cloudstack# cat ips.json
{
    "eth0": [
        {
            "add": true,
            "broadcast": "169.254.255.255",
            "cidr": "169.254.2.95/16",
            "device": "eth0",
            "gateway": "None",
            "netmask": "255.255.0.0",
            "network": "169.254.0.0/16",
            "nic_dev_id": "0",
            "nw_type": "control",
            "one_to_one_nat": false,
            "public_ip": "169.254.2.95",
            "size": "16",
            "source_nat": false
        }
    ],
    "eth1": [
        {
            "add": true,
            "broadcast": "10.147.30.255",
            "cidr": "10.147.30.113/24",
            "device": "eth1",
            "first_i_p": true,
            "gateway": "10.147.30.1",
            "netmask": "255.255.255.0",
            "network": "10.147.30.0/24",
            "new_nic": false,
            "nic_dev_id": 1,
            "nw_type": "public",
            "one_to_one_nat": false,
            "public_ip": "10.147.30.113",
            "size": "24",
            "source_nat": true,
            "vif_mac_address": "06:3b:84:00:00:0e"
        }
    ],
    "eth2": [
        {
            "add": true,
            "broadcast": "192.168.2.255",
            "cidr": "192.168.2.1/24",
            "device": "eth2",
            "gateway": "192.168.2.1",
            "netmask": "255.255.255.0",
            "network": "192.168.2.0/24",
            "nic_dev_id": "2",
            "nw_type": "guest",
            "one_to_one_nat": false,
            "public_ip": "192.168.2.1",
            "size": "24",
            "source_nat": false
        }
    ],
    "eth3": [
        {
            "add": true,
            "broadcast": "192.168.1.255",
            "cidr": "192.168.1.1/24",
            "device": "eth3",
            "gateway": "192.168.1.1",
            "netmask": "255.255.255.0",
            "network": "192.168.1.0/24",
            "nic_dev_id": "3",
            "nw_type": "guest",
            "one_to_one_nat": false,
            "public_ip": "192.168.1.1",
            "size": "24",
            "source_nat": false
        }
    ],
    "eth4": [
        {
            "add": true,
            "broadcast": "10.147.52.255",
            "cidr": "10.147.52.204/24",
            "device": "eth4",
            "first_i_p": true,
            "gateway": "10.147.52.1",
            "netmask": "255.255.255.0",
            "network": "10.147.52.0/24",
            "new_nic": false,
            "nic_dev_id": 4,
            "nw_type": "public",
            "one_to_one_nat": false,
            "public_ip": "10.147.52.204",
            "size": "24",
            "source_nat": true,
            "vif_mac_address": "06:56:62:00:00:1f"
        },
        {
            "add": true,
            "broadcast": "10.147.52.255",
            "cidr": "10.147.52.203/24",
            "device": "eth4",
            "first_i_p": false,
            "gateway": "10.147.52.1",
            "netmask": "255.255.255.0",
            "network": "10.147.52.0/24",
            "new_nic": false,
            "nic_dev_id": 4,
            "nw_type": "public",
            "one_to_one_nat": true,
            "public_ip": "10.147.52.203",
            "size": "24",
            "source_nat": false,
            "vif_mac_address": "06:56:62:00:00:1f"
        }
    ],
    "id": "ips"

==============================================

- Both the acquired IP's are released from the UI.

============ logs post releasing =========================

- eth4 10.147.52.203  is still set to true in ips.json file.
- IPtables are cleaned up.

root@r-199-VM:/etc/cloudstack# ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
    link/ether 0e:00:a9:fe:02:5f brd ff:ff:ff:ff:ff:ff
    inet 169.254.2.95/16 brd 169.254.255.255 scope global eth0
3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
    link/ether 06:3b:84:00:00:0e brd ff:ff:ff:ff:ff:ff
    inet 10.147.30.113/24 brd 10.147.30.255 scope global eth1
4: eth2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
    link/ether 02:00:06:b4:00:02 brd ff:ff:ff:ff:ff:ff
    inet 192.168.2.1/24 brd 192.168.2.255 scope global eth2
5: eth3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
    link/ether 02:00:05:12:00:02 brd ff:ff:ff:ff:ff:ff
    inet 192.168.1.1/24 brd 192.168.1.255 scope global eth3



root@r-199-VM:/etc/cloudstack# cat ips.json
{
    "eth0": [
        {
            "add": true,
            "broadcast": "169.254.255.255",
            "cidr": "169.254.2.95/16",
            "device": "eth0",
            "gateway": "None",
            "netmask": "255.255.0.0",
            "network": "169.254.0.0/16",
            "nic_dev_id": "0",
            "nw_type": "control",
            "one_to_one_nat": false,
            "public_ip": "169.254.2.95",
            "size": "16",
            "source_nat": false
        }
    ],
    "eth1": [
        {
            "add": true,
            "broadcast": "10.147.30.255",
            "cidr": "10.147.30.113/24",
            "device": "eth1",
            "first_i_p": true,
            "gateway": "10.147.30.1",
            "netmask": "255.255.255.0",
            "network": "10.147.30.0/24",
            "new_nic": false,
            "nic_dev_id": 1,
            "nw_type": "public",
            "one_to_one_nat": false,
            "public_ip": "10.147.30.113",
            "size": "24",
            "source_nat": true,
            "vif_mac_address": "06:3b:84:00:00:0e"
        }
    ],
    "eth2": [
        {
            "add": true,
            "broadcast": "192.168.2.255",
            "cidr": "192.168.2.1/24",
            "device": "eth2",
            "gateway": "192.168.2.1",
            "netmask": "255.255.255.0",
            "network": "192.168.2.0/24",
            "nic_dev_id": "2",
            "nw_type": "guest",
            "one_to_one_nat": false,
            "public_ip": "192.168.2.1",
            "size": "24",
            "source_nat": false
        }
    ],
    "eth3": [
        {
            "add": true,
            "broadcast": "192.168.1.255",
            "cidr": "192.168.1.1/24",
            "device": "eth3",
            "gateway": "192.168.1.1",
            "netmask": "255.255.255.0",
            "network": "192.168.1.0/24",
            "nic_dev_id": "3",
            "nw_type": "guest",
            "one_to_one_nat": false,
            "public_ip": "192.168.1.1",
            "size": "24",
            "source_nat": false
        }
    ],
    "eth4": [
        {
            "add": true,
            "broadcast": "10.147.52.255",
            "cidr": "10.147.52.203/24",
            "device": "eth4",
            "first_i_p": true,
            "gateway": "10.147.52.1",
            "netmask": "255.255.255.0",
            "network": "10.147.52.0/24",
            "new_nic": false,
            "nic_dev_id": 4,
            "nw_type": "public",
            "one_to_one_nat": true,
            "public_ip": "10.147.52.203",
            "size": "24",
            "source_nat": true,
            "vif_mac_address": "06:56:62:00:00:1f"
        },
        {
            "add": false,
            "broadcast": "10.147.52.255",
            "cidr": "10.147.52.204/24",
            "device": "eth4",
            "first_i_p": true,
            "gateway": "10.147.52.1",
            "netmask": "255.255.255.0",
            "network": "10.147.52.0/24",
            "new_nic": false,
            "nic_dev_id": 4,
            "nw_type": "public",
            "one_to_one_nat": false,
            "public_ip": "10.147.52.204",
            "size": "24",
            "source_nat": true,
            "vif_mac_address": "06:56:62:00:00:1f"
        }
    ],
    "id": "ips"

========================================================

- BUt when a new  IP is acquired from the same subnet and a rule is configured for that IP
, the previous [203] IP  which was deleted but set to true in IPs.json file is now observed
in interfaces and iptables . 

root@r-199-VM:~# ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
    link/ether 0e:00:a9:fe:02:11 brd ff:ff:ff:ff:ff:ff
    inet 169.254.2.17/16 brd 169.254.255.255 scope global eth0
3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
    link/ether 06:3b:84:00:00:0e brd ff:ff:ff:ff:ff:ff
    inet 10.147.30.113/24 brd 10.147.30.255 scope global eth1
4: eth2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
    link/ether 02:00:06:b4:00:02 brd ff:ff:ff:ff:ff:ff
    inet 192.168.2.1/24 brd 192.168.2.255 scope global eth2
5: eth3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
    link/ether 02:00:05:12:00:02 brd ff:ff:ff:ff:ff:ff
    inet 192.168.1.1/24 brd 192.168.1.255 scope global eth3
6: eth4: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
    link/ether 06:f3:ba:00:00:1e brd ff:ff:ff:ff:ff:ff
    inet 10.147.52.202/24 brd 10.147.52.255 scope global eth4
    inet 10.147.52.203/24 brd 10.147.52.255 scope global secondary eth4

<Newly Acquired IP 10.147.52.202 >

root@r-199-VM:/etc/cloudstack# cat forwardingrules.json
{
    "10.147.52.202": [
        {
            "internal_ip": "192.168.2.233",
            "internal_ports": "22:22",
            "protocol": "tcp",
            "public_ip": "10.147.52.202",
            "public_ports": "22:22",
            "type": "forward"
        }
    ],
    "id": "forwardingrules"

< old ip 10.X.203 in the iptables >

root@r-199-VM:/etc/cloudstack# iptables -t nat -L
Chain PREROUTING (policy ACCEPT)
target     prot opt source               destination
DNAT       tcp  --  anywhere             10.147.52.202        tcp dpt:ssh to:192.168.2.233:22

Chain INPUT (policy ACCEPT)
target     prot opt source               destination

Chain OUTPUT (policy ACCEPT)
target     prot opt source               destination
DNAT       tcp  --  anywhere             10.147.52.202        tcp dpt:ssh to:192.168.2.233:22

Chain POSTROUTING (policy ACCEPT)
target     prot opt source               destination
ACCEPT     all  --  anywhere             anywhere             mark match 0x525
SNAT       all  --  192.168.1.0/24       anywhere             to:192.168.1.1
SNAT       all  --  192.168.2.0/24       anywhere             to:192.168.2.1
SNAT       all  --  anywhere             anywhere             to:10.147.30.113
SNAT       all  --  anywhere             anywhere             to:10.147.52.202
SNAT       all  --  anywhere             anywhere             to:10.147.52.203
SNAT       tcp  --  anywhere             10.147.52.202        tcp dpt:ssh to:192.168.2.233:22

Attached cloud.log and Ms log 




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