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From bhais...@apache.org
Subject [cloudstack] branch 4.9 updated: CLOUDSTACK-9801: IPSec VPN does not work after vRouter reboot or recreate (#1966)
Date Fri, 04 Aug 2017 18:43:58 GMT
This is an automated email from the ASF dual-hosted git repository.

bhaisaab pushed a commit to branch 4.9
in repository https://gitbox.apache.org/repos/asf/cloudstack.git


The following commit(s) were added to refs/heads/4.9 by this push:
     new a577813  CLOUDSTACK-9801: IPSec VPN does not work after vRouter reboot or recreate
(#1966)
a577813 is described below

commit a5778139c2205971a0210f30ce537217ef0a2473
Author: Slair1 <slair@ippathways.com>
AuthorDate: Fri Aug 4 13:43:54 2017 -0500

    CLOUDSTACK-9801: IPSec VPN does not work after vRouter reboot or recreate (#1966)
    
    This makes sure IP address is active.
    
    After a vRouter is recreated (e.g. reboot via CloudStack UI) and Remote Access VPN enabled,
VPN won't work anymore. Here is the abbreviated output of "ipsec auto -status" while we were
having the issue:
    
    root@r-10-VM:~# ipsec auto --status
    000 using kernel interface: netkey
    000 interface lo/lo 127.0.0.1
    000 interface lo/lo 127.0.0.1
    000 interface eth0/eth0 169.254.1.45
    000 interface eth0/eth0 169.254.1.45
    000 %myid = (none)
    After this commit, the following occurs and VPNs work:
    
    
    root@r-10-VM:~# ipsec auto --status
    000 using kernel interface: netkey
    000 interface lo/lo 127.0.0.1
    000 interface lo/lo 127.0.0.1
    000 interface eth0/eth0 169.254.1.45
    000 interface eth0/eth0 169.254.1.45
    000 interface eth1/eth1 xxx.xxx.xxx.172
    000 interface eth1/eth1 xxx.xxx.xxx.172
    000 interface eth2/eth2 192.168.1.1
    000 interface eth2/eth2 192.168.1.1
    000 %myid = (none)
    
    eth1 interface IP is masked, but now ipsec sees all the interfaces and VPN works.
    
    Looks like this bug was introduced by Pull Request #1423
    
    It added code to start ipsec (cloudstack/systemvm/patches/debian/config/opt/cloud/bin/configure.py)
    
    if vpnconfig['create']:
        logging.debug("Enabling remote access vpn on "+ public_ip)
        CsHelper.start_if_stopped("ipsec")
---
 systemvm/patches/debian/config/opt/cloud/bin/configure.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/systemvm/patches/debian/config/opt/cloud/bin/configure.py b/systemvm/patches/debian/config/opt/cloud/bin/configure.py
index 0b8caa5..7f0df5b 100755
--- a/systemvm/patches/debian/config/opt/cloud/bin/configure.py
+++ b/systemvm/patches/debian/config/opt/cloud/bin/configure.py
@@ -623,6 +623,12 @@ class CsRemoteAccessVpn(CsDataBag):
             #Enable remote access vpn
             if vpnconfig['create']:
                 logging.debug("Enabling  remote access vpn  on "+ public_ip)
+
+                dev = CsHelper.get_device(public_ip)
+                if dev == "":
+                        logging.error("Request for ipsec to %s not possible because ip is
not configured", public_ip)
+                        continue
+
                 CsHelper.start_if_stopped("ipsec")
                 self.configure_l2tpIpsec(public_ip, self.dbag[public_ip])
                 logging.debug("Remote accessvpn  data bag %s",  self.dbag)

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