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Added init scripts for
- SysvInit(CentOS 6 or Red Hat 6)
- rc.d (FreeBSD)
Most of the latest distributions are using systemd. Support to be
added for other distributions which are not using systemd.
Removed systemctl wrapper functions(start/stop/status) from
gluster-eventsapi CLI(peer_eventsapi.py). Status and Reload
re-implemented using pid file check.
Added pid file support for glustereventsd.
Following dependencies removed
python-flask - Only used for example dashboard. User can install
if required.
python-fasteners - Not available for EPEL 6, added custom code using
fcntl as replacement.
BUG: 1365395
Change-Id: I26792eae9b11e93304f70b3997cd7d8d03b067f4
Signed-off-by: Aravinda VK <avishwan@redhat.com>
Reviewed-on: http://review.gluster.org/15367
Smoke: Gluster Build System <jenkins@build.gluster.org>
CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
Reviewed-by: Niels de Vos <ndevos@redhat.com>
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
Reviewed-by: Kaleb KEITHLEY <kkeithle@redhat.com>
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Client side gf_event uses ctx->cmd_args.volfile_server to push
notifications to the eventsd.
Socket server changed from Unix domain socket to UDP to support
external events.
Following to be addressed in different patch
- Port used for eventsd is 24009. Make it configurable
Already configurable in Server side. Configurable in gf_event API
is required.
- Auth Token yet to be added as discussed in
https://www.gluster.org/pipermail/gluster-devel/2016-August/050324.html
Change-Id: I159acf80b681d10b82d52cfb3ffdf85cb896542d
BUG: 1367774
Signed-off-by: Aravinda VK <avishwan@redhat.com>
Reviewed-on: http://review.gluster.org/15189
Smoke: Gluster Build System <jenkins@build.gluster.org>
Reviewed-by: Prashanth Pai <ppai@redhat.com>
Reviewed-by: Atin Mukherjee <amukherj@redhat.com>
CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
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Events related sources are not loaded in libglusterfs when
configure is run with --disable-events option. Due to this
every call of gf_event should be guarded with USE_EVENTS macro.
To prevent this, USE_EVENTS macro was included in events.c
itself(Patch #15054)
Instead of disabling building entire directory "events", selectively
disabled the code. So that constants and empty function gf_event is
exposed. Code will not fail even if gf_event is called when events is
disabled.
BUG: 1368042
Change-Id: Ia6abfe9c1e46a7640c4d8ff5ccf0e9c30c87f928
Signed-off-by: Aravinda VK <avishwan@redhat.com>
Reviewed-on: http://review.gluster.org/15198
Smoke: Gluster Build System <jenkins@build.gluster.org>
Reviewed-by: Niels de Vos <ndevos@redhat.com>
CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
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[Depends on http://review.gluster.org/14627]
Design is available in `glusterfs-specs`, A change from the design
is support of webhook instead of Websockets as discussed in the design
http://review.gluster.org/13115
Since Websocket support depends on REST APIs, I will add Websocket support
once REST APIs patch gets merged
Usage:
Run following command to start/stop Eventsapi server in all Peers,
which will collect the notifications from any Gluster daemon and emits
to configured client.
gluster-eventsapi start|stop|restart|reload
Status of running services can be checked using,
gluster-eventsapi status
Events listener is a HTTP(S) server which listens to events emited by
the Gluster. Create a HTTP Server to listen on POST and register that
URL using,
gluster-eventsapi webhook-add <URL> [--bearer-token <TOKEN>]
For example, if HTTP Server running in `http://192.168.122.188:9000`
then add that URL using,
gluster-eventsapi webhook-add http://192.168.122.188:9000
If it expects a Token then specify it using `--bearer-token` or `-t`
We can also test Webhook if all peer nodes can send message or not
using,
gluster-eventsapi webhook-test <URL> [--bearer-token <TOKEN>]
Configurations can be viewed/updated using,
gluster-eventsapi config-get [--name]
gluster-eventsapi config-set <NAME> <VALUE>
gluster-eventsapi config-reset <NAME|all>
If any one peer node was down during config-set/reset or webhook
modifications, Run sync command from good node when a peer node comes
back. Automatic update is not yet implemented.
gluster-eventsapi sync
Basic Events Client(HTTP Server) is included with the code, Start
running the client with required port and start listening to the
events.
/usr/share/glusterfs/scripts/eventsdash.py --port 8080
Default port is 9000, if no port is specified, once it started running
then configure gluster-eventsapi to send events to that client.
Eventsapi Client can be outside of the Cluster, it can be run event on
Windows. But only requirement is the client URL should be accessible
by all peer nodes.(Or ngrok(https://ngrok.com) like tools can be used)
Events implemented with this patch,
- Volume Create
- Volume Start
- Volume Stop
- Volume Delete
- Peer Attach
- Peer Detach
It is easy to add/support more events, since it touches Gluster cmd
code and to avoid merge conflicts I will add support for more events
once this patch merges.
BUG: 1334044
Change-Id: I316827ac9dd1443454df7deffe4f54835f7f6a08
Signed-off-by: Aravinda VK <avishwan@redhat.com>
Reviewed-on: http://review.gluster.org/14248
Smoke: Gluster Build System <jenkins@build.gluster.org>
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
Reviewed-by: Jeff Darcy <jdarcy@redhat.com>
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