glusterfs.git/extras/snap_scheduler, branch release-3.9

snapshot/scheduler: Removing dependency of scheduler on eventing

2016-11-22T05:45:20+00:00

> Reviewed-on: http://review.gluster.org/15876
> Reviewed-by: Aravinda VK 
> Smoke: Gluster Build System 
> NetBSD-regression: NetBSD Build System 
> CentOS-regression: Gluster Build System 
> Reviewed-by: Rajesh Joseph 

(cherry picked from commit 6b2c40d337bd30eea3ce56a71db8864e61a9a411)

Change-Id: I7de156d8186c32092ec5e9d174d023f4782947c0
BUG: 1396901
Signed-off-by: Avra Sengupta 
Reviewed-on: http://review.gluster.org/15891
Smoke: Gluster Build System 
Reviewed-by: Rajesh Joseph 
CentOS-regression: Gluster Build System 
NetBSD-regression: NetBSD Build System

snapshot/eventsapi: Integrate snapshot events with eventsapi

2016-09-07T11:06:04+00:00

    Backport of http://review.gluster.org/#/c/15329/

1. EVENT_SNAPSHOT_CREATED : snapshot_name=snap1 volume_name=test_vol
                            snapshot_uuid=26dd6c52-6021-40b1-a507-001a80401d70
2. EVENT_SNAPSHOT_CREATE_FAILED : snapshot_name=snap1 volume_name=test_vol
                                  error=Snapshot snap1 already exists
3. EVENT_SNAPSHOT_ACTIVATED : snapshot_name=snap1
                              snapshot_uuid=26dd6c52-6021-40b1-a507-001a80401d70
4. EVENT_SNAPSHOT_ACTIVATE_FAILED: snapshot_name=snap1
                                   error=Snapshot snap1 is already activated.
5. EVENT_SNAPSHOT_DEACTIVATED : snapshot_name=snap1
                              snapshot_uuid=26dd6c52-6021-40b1-a507-001a80401d70
6. EVENT_SNAPSHOT_DEACTIVATE_FAILED : snapshot_name=snap3
                                      error=Snapshot (snap3) does not exist.
7. EVENT_SNAPSHOT_SOFT_LIMIT_REACHED : volume_name=test_vol
                                  volume_id=2ace2616-5591-4b9b-be2a-38592dda5758
8. EVENT_SNAPSHOT_HARD_LIMIT_REACHED : volume_name=test_vol
                                  volume_id=2ace2616-5591-4b9b-be2a-38592dda5758
9. EVENT_SNAPSHOT_RESTORED : snapshot_name=snap1 volume_name=test_vol
                             snapshot_uuid=3a840ec5-08da-4f2b-850d-1d5539a5d14d
10. EVENT_SNAPSHOT_RESTORE_FAILED : snapshot_name=snap10
                                    error=Snapshot (snap10) does not exist
11. EVENT_SNAPSHOT_DELETED : snapshot_name=snap1
                             snapshot_uuid=d9ff3d4f-f579-4345-a4da-4f9353f0950c
12. EVENT_SNAPSHOT_DELETE_FAILED : snapshot_name=snap2
                                   error=Snapshot (snap2) does not exist
13. EVENT_SNAPSHOT_CLONED : clone_uuid=93ba9f06-cb9c-4ace-aa52-2616e7f31022
                            snapshot_name=snap1 clone_name=clone2
14. EVENT_SNAPSHOT_CLONE_FAILED : snapshot_name=snap1 clone_name=clone2
                                  error=Volume with name:clone2 already exists
15. EVENT_SNAPSHOT_CONFIG_UPDATED : auto-delete=enable config_type=system_config
                                    config_type=volume_config hard_limit=100
16. EVENT_SNAPSHOT_CONFIG_UPDATE_FAILED :
                   error=Invalid snap-max-soft-limit 110. Expected range 1 - 100
17. EVENT_SNAPSHOT_SCHEDULER_INITIALISED : status=Success
18. EVENT_SNAPSHOT_SCHEDULER_INIT_FAILED
19. EVENT_SNAPSHOT_SCHEDULER_ENABLED : status=Successfuly Enabled
20. EVENT_SNAPSHOT_SCHEDULER_ENABLE_FAILED :
                                   error=Snapshot scheduler is already enabled.
21. EVENT_SNAPSHOT_SCHEDULER_SCHEDULE_ADDED : status=Successfuly added job job1
22. EVENT_SNAPSHOT_SCHEDULER_SCHEDULE_ADD_FAILED :
                    status=Failed to add job job1 error=The job already exists.
23. EVENT_SNAPSHOT_SCHEDULER_SCHEDULE_EDITED :
                                             status=Successfuly edited job job1
24. EVENT_SNAPSHOT_SCHEDULER_SCHEDULE_EDIT_FAILED :
                                                 status=Failed to edit job job2
                                                 error=The job cannot be found.
25. EVENT_SNAPSHOT_SCHEDULER_SCHEDULE_DELETED :
                                            status=Successfuly deleted job job1
26. EVENT_SNAPSHOT_SCHEDULER_SCHEDULE_DELETE_FAILED :
                                               status=Failed to delete job job1
                                               error=The job cannot be found.
27. EVENT_SNAPSHOT_SCHEDULER_DISABLED : status=Successfuly Disabled
28. EVENT_SNAPSHOT_SCHEDULER_DISABLE_FAILED :
                                   error=Snapshot scheduler is already disabled.


> Reviewed-on: http://review.gluster.org/15329
> Tested-by: Aravinda VK 
> Smoke: Gluster Build System 
> NetBSD-regression: NetBSD Build System 
> CentOS-regression: Gluster Build System 
> Reviewed-by: Rajesh Joseph 

(cherry picked from commit c1278de9a5fb6a64455f42b8b17a8d05b74c2420)

Change-Id: I3479cc3fb7af3c76ded67cf289f99547d0a55d21
BUG: 1372278
Signed-off-by: Avra Sengupta 
Reviewed-on: http://review.gluster.org/15381
NetBSD-regression: NetBSD Build System 
CentOS-regression: Gluster Build System 
Smoke: Gluster Build System 
Reviewed-by: Atin Mukherjee

snapshot/scheduler: Check if volume exists before adding/editing schedules

2015-08-24T06:55:47+00:00

Before adding or editing a scheduler, check if the volume name provided
in the schedule, exists in the cluster or not.

Added return code VOLUME_DOES_NOT_EXIST(17) for the same.

Change-Id: Ia3fe3cc1e1568ddd10f9193bbf40a098f0fe990a
BUG: 1213349
Signed-off-by: Avra Sengupta 
Reviewed-on: http://review.gluster.org/11830
Tested-by: NetBSD Build System 
Reviewed-by: mohammed rafi  kc 
Reviewed-by: Rajesh Joseph

snapshot/scheduler: Output correction of initialisation

2015-08-24T06:34:24+00:00

Change-Id: I4a6e00805da7b254b8b08e7bb142960fb6c64923
BUG: 1218164
Signed-off-by: Avra Sengupta 
Reviewed-on: http://review.gluster.org/11924
Tested-by: Gluster Build System 
Tested-by: NetBSD Build System 
Reviewed-by: mohammed rafi  kc 
Reviewed-by: Rajesh Joseph

snapshot/scheduler: Use /var/run/gluster/shared_storage/snaps/tmp_file

2015-07-08T09:36:44+00:00

for writing data into tmp file and then making an atomic rename to
the required filename.

The reason for using this location is that it adheres to
the selinux policies.

Also moving the update of the current_scheduler file,
under the lock so as to avoid multiple writes

Change-Id: I61e62b5daf6f1bce2319f64f7b1dfb8b93726077
BUG: 1239269
Signed-off-by: Avra Sengupta 
Reviewed-on: http://review.gluster.org/11535
Tested-by: NetBSD Build System 
Tested-by: Gluster Build System 
Reviewed-by: Rajesh Joseph

snapshot/scheduler: Reload /etc/cron.d/glusterfs_snap_cron_tasks when shared storage is available

2015-06-11T07:08:17+00:00

If shared storage is not accessible, create a flag in /var/run/gluster/
So that when /etc/cron.d/glusterfs_snap_cron_tasks is
available again, the flag will tell us, to reload
/etc/cron.d/glusterfs_snap_cron_tasks

Change-Id: I41b19f57ff0b8f7e0b820eaf592b0fdedb0a5d86
BUG: 1218573
Signed-off-by: Avra Sengupta 
Reviewed-on: http://review.gluster.org/11139
Tested-by: NetBSD Build System 
Reviewed-by: Rajesh Joseph 
Reviewed-by: Krishnan Parthasarathi

snapshot/scheduler: Check if GCRON_TASKS exists before

2015-06-10T10:02:20+00:00

accessing it's mtime

Change-Id: I873c83d21620527b20d7de428d11582c5499d1af
BUG: 1228613
Signed-off-by: Avra Sengupta 
Reviewed-on: http://review.gluster.org/11138
Tested-by: NetBSD Build System 
Reviewed-by: Rajesh Joseph 
Reviewed-by: Krishnan Parthasarathi

snapshot/scheduler: Handle OSError in os. callbacks

2015-06-10T06:40:52+00:00

Handle OSError and not IOError in os. callbacks.

Change-Id: I2b5bfb629bacbd2d2e410d96034b4e2c11c4931e
BUG: 1218060
Signed-off-by: Avra Sengupta 
Reviewed-on: http://review.gluster.org/11087
Tested-by: Gluster Build System 
Tested-by: NetBSD Build System 
Reviewed-by: Aravinda VK 
Reviewed-by: Krishnan Parthasarathi

snapshot/scheduler: Modified main() function to take arguments.

2015-06-04T07:00:40+00:00

Modified the main function to take script arguments, so that this
script can be used as a module by other programs .

Change-Id: I902f0bc7ddfbf0d335cc087f51b1a7af4b7157fc
BUG: 1220670
Signed-off-by: n Darshan 
Reviewed-on: http://review.gluster.org/10760
Tested-by: Gluster Build System 
Tested-by: NetBSD Build System 
Reviewed-by: Aravinda VK 
Reviewed-by: Krishnan Parthasarathi

snapshot/scheduler: Return proper error code in case of failure

2015-06-03T06:49:35+00:00

ENUM                              RETCODE     ERROR
----------------------------------------------------------
INTERNAL_ERROR                    2           Internal Error
SHARED_STORAGE_DIR_DOESNT_EXIST   3           Shared Storage Dir
                                              does not exist
SHARED_STORAGE_NOT_MOUNTED        4           Shared storage is not mounted
ANOTHER_TRANSACTION_IN_PROGRESS   5           Another transaction is in progress
INIT_FAILED                       6           Initialisation failed
SCHEDULING_ALREADY_DISABLED       7           Scheduler is already disabled
SCHEDULING_ALREADY_ENABLED        8           Scheduler is already enabled
NODE_NOT_INITIALISED              9           Node not initialised
ANOTHER_SCHEDULER_ACTIVE          10          Another scheduler is active
JOB_ALREADY_EXISTS                11          Job already exists
JOB_NOT_FOUND                     12          Job not found
INVALID_JOBNAME                   13          Jobname is invalid
INVALID_VOLNAME                   14          Volname is invalid
INVALID_SCHEDULE                  15          Schedule is invalid
INVALID_ARG                       16          Argument is invalid

Change-Id: Ia1da166659099f4c951fcdb4d755529e41167b80
BUG: 1218055
Signed-off-by: Avra Sengupta 
Reviewed-on: http://review.gluster.org/11005
Reviewed-by: Aravinda VK 
Tested-by: NetBSD Build System 
Reviewed-by: Krishnan Parthasarathi 
Tested-by: Krishnan Parthasarathi