Public bug reported:
When conducting the remote host testing, fanatic incorrectly calculates
the ip for the remote test host on the Fan.
My remote host ip's are 192.168.1.3 and 192.168.1.10. I'm using non-
default subnet sizes for the overlay/underlays (ie -o 250.99.0.0/16 and
-u 192.168.1.0/24). Both LXD and Docker tests pass, but, as noted, the
remote host testing fails:
test slave: ping test (250.99.1.4) ...
test slave: ping test ... FAIL
You'll notice the ip is incorrect, 250.99.1.4. It should be 250.99.3.1
in this example.
Raw output of failing fanatic test run is below:
$ sudo fanatic
Welcome to the fanatic fan networking wizard. This will help you set
up an example fan network and optionally configure docker and/or LXD to
use this network. See fanatic(1) for more details.
Configure fan underlay (hit return to accept, or specify alternative)
[192.168.0.0/16]: 192.168.1.0/24
Configure fan overlay (hit return to accept, or specify alternative)
[250.0.0.0/8]: 250.99.0.0/16
Create LXD networking for underlay:192.168.1.0/24 overlay:250.99.0.0/16 [Yn]: Y
Profile fan-250-99 created
Create docker networking for underlay:192.168.1.0/24 overlay:250.99.0.0/16
[Yn]: Y
Test LXD networking for underlay:192.168.1.10/24 overlay:250.99.0.0/16
(NOTE: potentially triggers large image downloads) [Yn]: Y
local lxd test: creating test container (Ubuntu:16.04) ...
Creating fanatic-test
Starting fanatic-test
lxd test: Waiting for addresses on eth0 ...
lxd test: Waiting for addresses on eth0 ...
lxd test: Waiting for addresses on eth0 ...
lxd test: Waiting for addresses on eth0 ...
test master: ping test (250.99.10.166) ...
test slave: ping test (250.99.10.1) ...
test master: ping test ... PASS
test master: short data test (250.99.10.1 -> 250.99.10.166) ...
test slave: ping test ... PASS
test slave: short data test (250.99.10.166 -> 250.99.10.1) ...
test slave: short data ... PASS
test master: short data ... PASS
test slave: long data test (250.99.10.166 -> 250.99.10.1) ...
test master: long data test (250.99.10.1 -> 250.99.10.166) ...
test master: long data ... PASS
test slave: long data ... PASS
local lxd test: destroying test container ...
local lxd test: test complete PASS (master=0 slave=0)
Test docker networking for underlay:192.168.1.10/24 overlay:250.99.0.0/16
(NOTE: potentially triggers large image downloads) [Yn]: Y
local docker test: creating test container ...
e47583ee4f18c95edfcb28e5b2514c0924527f30b3485f62d343fe8bf1000170
test master: ping test (250.99.10.0) ...
test slave: ping test (250.99.10.1) ...
test master: ping test ... PASS
test master: short data test (250.99.10.1 -> 250.99.10.0) ...
test slave: ping test ... PASS
test slave: short data test (250.99.10.0 -> 250.99.10.1) ...
test slave: short data ... PASS
test master: short data ... PASS
test slave: long data test (250.99.10.0 -> 250.99.10.1) ...
test master: long data test (250.99.10.1 -> 250.99.10.0) ...
test master: long data ... PASS
test slave: long data ... PASS
local docker test: destroying test container ...
fanatic-test
fanatic-test
local docker test: test complete PASS (master=0 slave=0)
This host IP address: 192.168.1.10
Remote test host IP address (none to skip): 192.168.1.3
host test: starting ...
test slave: ping test (250.99.1.4) ...
test slave: ping test ... FAIL
--- transcript start ---
PING 250.99.1.4 (250.99.1.4) 56(84) bytes of data.
>From 250.99.10.1 icmp_seq=1 Destination Host Unreachable
>From 250.99.10.1 icmp_seq=2 Destination Host Unreachable
>From 250.99.10.1 icmp_seq=3 Destination Host Unreachable
>From 250.99.10.1 icmp_seq=4 Destination Host Unreachable
>From 250.99.10.1 icmp_seq=5 Destination Host Unreachable
--- 250.99.1.4 ping statistics ---
5 packets transmitted, 0 received, +5 errors, 100% packet loss, time 3998ms
pipe 3
--- transcript end ---
test slave: short data test (250.99.10.1 -> 250.99.1.4) ...
** Affects: ubuntu-fan (Ubuntu)
Importance: Critical
Assignee: Andy Whitcroft (apw)
Status: In Progress
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https://bugs.launchpad.net/bugs/1584878
Title:
fanatic remote host test fails when using non-default subnet sizes
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