[Kea-users] Hook Libraries logging not Initialized
Joe Wilner
jwilner at ns1.com
Thu Jan 24 15:08:50 UTC 2019
Hi --
I was able to avoid this problem by dropping the `--enable-static-link`,
so, as far as I can tell, there is an issue using the hook libraries with
the statically linked binary.
Thanks,
Joe
On Tue, Jan 22, 2019 at 3:55 PM Joe Wilner <jwilner at ns1.com> wrote:
> Hi --
>
> I'm attempting to build a docker container of Kea 1.4.0 and hitting an
> issue around logging initialization when attempting to load hook libraries.
>
> The relevant bits of the Dockerfile:
> ```
> FROM ubuntu:18.04
>
> RUN apt-get update && apt-get install -y --no-install-recommends libtool
> autoconf g++ libssl-dev liblog4cplus-dev libboost-system-dev
>
> WORKDIR /build/
>
> RUN wget https://www.isc.org/downloads/file/kea-1-4-0-p1/?version=tar-gz -O
> kea.tar.gz \
> && mkdir kea && tar -C kea --strip-components=1 -xzf kea.tar.gz \
> && cd kea && ./configure --enable-shell --enable-static-link \
> && make -j $(getconf _NPROCESSORS_ONLN) -l $(getconf _NPROCESSORS_ONLN)
> && make install \
> && cd /build/ \
> && rm -r kea*
> && ldconfig
> ```
>
> When I run `kea-dhcp4` with the following config:
> ```
> {
> "Dhcp4": {
> "hooks-libraries": [{
> "library": "/usr/local/lib/hooks/libdhcp_lease_cmds.so"
> }],
> "control-socket": {
> "socket-type": "unix",
> "socket-name": "/tmp/kea-dhcp4-ctrl.sock"
> },
> "lease-database": {
> ...
> },
> "expired-leases-processing": {
> ...
> },
> ...
> },
> "Logging": {
> "loggers": [
> {
> "name": "kea-dhcp4",
> "output_options": [
> { "output": "stdout" }
> ],
> "severity": "INFO",
> "debuglevel": 0
> }
> ]
> }
> }
> ```
>
> I get an error as follows:
> ```
> 2019-01-22 20:44:22.375 ERROR [kea-dhcp4.hooks/142]
> HOOKS_LOAD_FRAMEWORK_EXCEPTION 'load' function in hook library
> /usr/local/lib/hooks/libdhcp_lease_cmds.so threw an exception: reason
> attempt to access logging function before logging has been initialized
> 2019-01-22 20:44:22.375 ERROR [kea-dhcp4.hooks/142]
> HOOKS_UNLOAD_FRAMEWORK_EXCEPTION 'unload' function in hook library
> /usr/local/lib/hooks/libdhcp_lease_cmds.so threw an exception, reason
> attempt to access logging function before logging has been initialized
> 2019-01-22 20:44:22.375 ERROR [kea-dhcp4.dhcp4/142]
> DHCP4_PARSER_COMMIT_FAIL parser failed to commit changes: One or more hook
> libraries failed to load
> 2019-01-22 20:44:22.376 ERROR [kea-dhcp4.dhcp4/142] DHCP4_CONFIG_LOAD_FAIL
> configuration error using file: /usr/local/etc/kea/kea-dhcp4.conf, reason:
> One or more hook libraries failed to load
> 2019-01-22 20:44:22.376 ERROR [kea-dhcp4.dhcp4/142] DHCP4_INIT_FAIL failed
> to initialize Kea server: configuration error using file
> '/usr/local/etc/kea/kea-dhcp4.conf': One or more hook libraries failed to
> load
> ```
>
> My instinct is that this is an issue with the linking but `ldconfig -p`
> looks as I would expect.
>
> Any advice or help would be appreciated.
>
> Thanks,
> Joe
>
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