We are trying to create a hook that will add or delete IP addresses assigned by Open Nebula to a local authoritative DNS server but I cannot get the Hook Manager to actually show any life.
The Hook manager itself is running:
$ ps -ef|grep -i hm
oneadmin 3232 31092 0 16:41 pts/3 00:00:00 grep --color=auto -i hm
oneadmin 25604 25574 0 15:37 ? 00:00:00 ruby /usr/lib/one/mads/one_hm.rb -p 2101 -l 2102 -b 127.0.0.1
$
There are two hooks defined:
$ onehook list
ID NAME TYPE
11 hook-vm state
12 add_ip_to_dns api
$
The “hook-vm” is taken from the example provided in the documentation, the second one is a simple one that uses “/usr/bin/echo” as the command.
I create a VM:
$ onevm create --cpu 1 --memory 2 --name test
ID: 77
$
I wait for the VM to get to a RUNNING state, then I check the hooks, which are supposed to have executed:
$ onehook show 11
HOOK 11 INFORMATION
ID : 11
NAME : hook-vm
TYPE : state
LOCK : None
HOOK TEMPLATE
ARGUMENTS="$TEMPLATE pending"
COMMAND="vm-pending.rb"
LCM_STATE="LCM_INIT"
REMOTE="NO"
RESOURCE="VM"
STATE="PENDING"
-bash-4.2$ onehook show 12
HOOK 12 INFORMATION
ID : 12
NAME : add_ip_to_dns
TYPE : api
LOCK : None
HOOK TEMPLATE
ARGUMENTS="$API"
ARGUMENTS_STDIN="yes"
CALL="one.vm.action"
COMMAND="/usr/bin/echo"
REMOTE="NO"
$
As you can see there are no log entries. I looked for any logs, but there are none:
$ onehook log
$ echo $?
0
$
According to the documentation the HEM should log to /var/log/one/onehem.log but that doesn’t exist. Note that the log directory is owned by the oneadmin user:
$ ls -l /var/log/one/onehem.log
ls: cannot access /var/log/one/onehem.log: No such file or directory
$ ls -ald /var/log/one
drwxr-x---. 2 oneadmin oneadmin 12288 Oct 12 16:51 /var/log/one
$
There are lots of other log files in there as well so I’m guessing it’s not a permissions error.
I can see events appearing in the oned.log file:
Tue Oct 12 16:51:23 2021 [Z0][ReM][D]: Req:6080 UID:0 IP:127.0.0.1 one.vm.allocate invoked , "NAME="test"
Tue Oct 12 16:51:23 2021 [Z0][ReM][D]: Req:6080 UID:0 one.vm.allocate result SUCCESS, 77
Tue Oct 12 16:51:25 2021 [Z0][ReM][D]: Req:9264 UID:0 IP:127.0.0.1 one.vm.deploy invoked , 77, 6, false, 0, ""
Tue Oct 12 16:51:25 2021 [Z0][ReM][D]: Req:9264 UID:0 one.vm.deploy result SUCCESS, 77
So, I am at a loss to diagnose this, I would appreciate your thoughts.
Versions
Open Nebula 6.0.0.2 running on CentOS 7
Steps to reproduce:
Simply create a hook template and then create a VM, which should create a log entry.
Current results:
The hook is not executed.
Expected results:
Hook 11 should produce an error because the script does not exist.
Hook 12 should echo the arguments passed to it.
