yahoo-eng-team team mailing list archive

[Doug Wiegley <dougwig@xxxxxxxxxxx>]

** Tags added: lbaas

** Project changed: barbican => neutron

** Changed in: neutron
    Milestone: None => kilo-3

-- 
You received this bug notification because you are a member of Yahoo!
Engineering Team, which is subscribed to neutron.
https://bugs.launchpad.net/bugs/1426151

Title:
  PING health-monitor in LBaaS Haproxy sends a TCP request to members

Status in OpenStack Neutron (virtual network service):
  New

Bug description:
  There are different health-monitors in LBaaS:
  1) PING 2) TCP 3) HTTP and 4) HTTPS

  I was trying PING health-monitor with Haproxy, but it seem to be
  sending TCP requests to the members instead of PING requests.

  
  varunlodaya@ubuntu:~$ neutron lb-healthmonitor-show fb5d0e4b-5763-4f38-bf2c-09f9f7ab2e49
  +----------------+-----------------------------------------------------------------------------------------------------+
  | Field          | Value                                                                                               |
  +----------------+-----------------------------------------------------------------------------------------------------+
  | admin_state_up | True                                                                                                |
  | delay          | 30                                                                                                  |
  | id             | fb5d0e4b-5763-4f38-bf2c-09f9f7ab2e49                                                                |
  | max_retries    | 2                                                                                                   |
  | pools          | {"status": "ACTIVE", "status_description": null, "pool_id": "93d03b4e-05a5-4691-b36f-1416b96c3751"} |
  | tenant_id      | 6d560cf5767d4f17a61ebc11c14bc1cc                                                                    |
  | timeout        | 5                                                                                                   |
  | type           | PING                                                                                                |
  +----------------+-----------------------------------------------------------------------------------------------------+

  
  The Haproxy config it generates for backend is:

  *********
  backend 93d03b4e-05a5-4691-b36f-1416b96c3751
          mode http
          balance roundrobin
          option forwardfor
          timeout check 5s
          server 07285f2e-9e9f-41ad-a343-2f1d7296f2d9 10.0.0.4:80 weight 1 check inter 30s fall 2

  On the member, I opened tcpdump to check whats being received:

  sudo tcpdump -i eth0 -v icmp
  sudo: unable to resolve host ubuntu-vm
  tcpdump: listening on eth0, link-type EN10MB (Ethernet), capture size 65535 bytes
  ^C
  0 packets captured
  0 packets received by filter
  0 packets dropped by kernel

  ubuntu@ubuntu-vm:~$ sudo tcpdump -i eth0 -n src host 10.0.0.5 -vv
  sudo: unable to resolve host ubuntu-vm
  tcpdump: listening on eth0, link-type EN10MB (Ethernet), capture size 65535 bytes
  23:03:53.434592 IP (tos 0x0, ttl 64, id 4614, offset 0, flags [DF], proto TCP (6), length 60)
      10.0.0.5.55697 > 10.0.0.4.80: Flags [S], cksum 0xc228 (correct), seq 3491668946, win 29200, options [mss 1460,sackOK,TS val 1552852 ecr 0,nop,wscale 7], length 0
  23:03:58.441968 ARP, Ethernet (len 6), IPv4 (len 4), Request who-has 10.0.0.4 tell 10.0.0.5, length 28
  23:04:23.439097 IP (tos 0x0, ttl 64, id 30112, offset 0, flags [DF], proto TCP (6), length 60)
      10.0.0.5.55704 > 10.0.0.4.80: Flags [S], cksum 0x3862 (correct), seq 635615873, win 29200, options [mss 1460,sackOK,TS val 1560353 ecr 0,nop,wscale 7], length 0
  ^C
  3 packets captured
  3 packets received by filter
  0 packets dropped by kernel

To manage notifications about this bug go to:
https://bugs.launchpad.net/neutron/+bug/1426151/+subscriptions