[CLOUDSTACK-9592] Empty responses from site to site connection status are not handled propertly

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 4.8.0
• Fix Version/s: 4.8.1
• Component/s: Network Controller
• Security Level: Public (Anyone can view this level - this is the default.)
• Environment: Any Hypervisor
• Assignee: Unassigned
• Reporter: subhash yedugundla
• Created: 11/Nov/16 07:08
• Updated: 01/Aug/17 19:25

Description

vpn connection status gives responses like the below sometimes

Processing: { Ans: , MgmtId: 7203499016310, via: 1(10.147.28.37), Ver: v1, Flags: 110, [{"com.cloud.agent.api.CheckS2SVpnConnectionsAnswer":{"ipToConnected":{},"ipToDetail":{},"details":"","result":true,"wait":0}}] }
2016-09-27 08:52:19,211 DEBUG [c.c.a.t.Request] (RouterStatusMonitor-1:ctx-c20f391d) (logid:c217239d) Seq 1-2315413158421863581: Received:

{ Ans: , MgmtId: 7203499016310, via: 1(10.147.28.37), Ver: v1, Flags: 110, { CheckS2SVpnConnectionsAnswer }

In the above scenario, the bug in the processing of this response assumes the connection is disconnected even though it is not disconnected and there would be two consecutive alerts in logs as well as emails even though there is not actual disconnection and reconnection

Site-to-site Vpn Connection XYZ-VPN on router r-197-VM(id: 197) just switch from Disconnected to Connected
Site-to-site Vpn Connection to D1 site to site VPN on router r-372-VM(id: 372) just switch from Connected to Disconnected

Issue Links

• links to: GitHub Pull Request #1761