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* snapshot/scheduler: Output correction of initialisationAvra Sengupta2015-08-241-2/+2
| | | | | | | | | | | | | Backport of http://review.gluster.org/#/c/11924/ Change-Id: I4a6e00805da7b254b8b08e7bb142960fb6c64923 BUG: 1245922 Signed-off-by: Avra Sengupta <asengupt@redhat.com> Reviewed-on: http://review.gluster.org/11925 Tested-by: Gluster Build System <jenkins@build.gluster.com> Tested-by: NetBSD Build System <jenkins@build.gluster.org> Reviewed-by: mohammed rafi kc <rkavunga@redhat.com> Reviewed-by: Rajesh Joseph <rjoseph@redhat.com>
* snapshot/scheduler: Check if volume exists before adding/editing schedulesAvra Sengupta2015-08-231-21/+67
| | | | | | | | | | | | | | | | | | Backport of http://review.gluster.org/#/c/11830/ 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: 1245923 Signed-off-by: Avra Sengupta <asengupt@redhat.com> Reviewed-on: http://review.gluster.org/11917 Tested-by: NetBSD Build System <jenkins@build.gluster.org> Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: mohammed rafi kc <rkavunga@redhat.com> Reviewed-by: Rajesh Joseph <rjoseph@redhat.com>
* snapshot/scheduler: Use /var/run/gluster/shared_storage/snaps/tmp_file for ↵Avra Sengupta2015-07-081-6/+6
| | | | | | | | | | | | | | | | | | 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: 1239270 Signed-off-by: Avra Sengupta <asengupt@redhat.com> Reviewed-on: http://review.gluster.org/11536 Tested-by: NetBSD Build System <jenkins@build.gluster.org> Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Rajesh Joseph <rjoseph@redhat.com>
* snapshot/scheduler: Modified main() function to take arguments.nnDarshan2015-06-131-3/+3
| | | | | | | | | | | | | | 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: 1226213 Signed-off-by: nnDarshan <dnarayan@redhat.com> Reviewed On: http://review.gluster.org/#/c/10760/ Reviewed-on: http://review.gluster.org/10997 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Aravinda VK <avishwan@redhat.com> Tested-by: NetBSD Build System <jenkins@build.gluster.org>
* snapshot/scheduler: Handle OSError in os. callbacksAvra Sengupta2015-06-111-8/+8
| | | | | | | | | | | | | | | | Backport of http://review.gluster.org/#/c/11087/ Handle OSError and not IOError in os. callbacks. Change-Id: I2b5bfb629bacbd2d2e410d96034b4e2c11c4931e BUG: 1230018 Signed-off-by: Avra Sengupta <asengupt@redhat.com> (cherry picked from commit d835219a30327ede60e4ef28210914ab30bd0712) Reviewed-on: http://review.gluster.org/11151 Tested-by: Gluster Build System <jenkins@build.gluster.com> Tested-by: NetBSD Build System <jenkins@build.gluster.org> Reviewed-by: Rajesh Joseph <rjoseph@redhat.com> Reviewed-by: Krishnan Parthasarathi <kparthas@redhat.com>
* snapshot/scheduler: Return proper error code in case of failureAvra Sengupta2015-06-041-61/+81
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Backport of http://review.gluster.org/#/c/11005/ 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: 1227615 Signed-off-by: Avra Sengupta <asengupt@redhat.com> (cherry picked from commit 9798a24febba9bbf28e97656b81b8a01a1325f68) Reviewed-on: http://review.gluster.org/11057 Tested-by: Gluster Build System <jenkins@build.gluster.com> Tested-by: NetBSD Build System <jenkins@build.gluster.org> Reviewed-by: Rajesh Joseph <rjoseph@redhat.com> Reviewed-by: Krishnan Parthasarathi <kparthas@redhat.com>
* snapshot/scheduler: Do not enable scheduler if another scheduler is runningAvra Sengupta2015-06-011-2/+85
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Backport of http://review.gluster.org/#/c/10641/ Check if another snapshot scheduler is running before enabling the scheduler Also introducing a hidden option, disable_force "snapshot_scheduler.py disable_force" will disable the cli snapshot scheduler from any node, even though the node has not been initialised for the scheduler, as long as the shared storage is mounted This option is hidden, because we don't want to encourage users to use all commands from nodes that are not initialised. Change-Id: I7ad941fbbab834225a36e740c61f8e740813e7c8 BUG: 1226120 Signed-off-by: Avra Sengupta <asengupt@redhat.com> Reviewed-on: http://review.gluster.org/10641 Reviewed-by: Rajesh Joseph <rjoseph@redhat.com> Tested-by: NetBSD Build System Reviewed-by: Kaushal M <kaushal@redhat.com> (cherry picked from commit d67eb34b2a5b5e3cb926ff4c86a163148743829c) Reviewed-on: http://review.gluster.org/10993 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Aravinda VK <avishwan@redhat.com> Reviewed-by: Krishnan Parthasarathi <kparthas@redhat.com> Tested-by: Krishnan Parthasarathi <kparthas@redhat.com>
* snapshot/scheduler: Use shutil.move instead of os.rename()Avra Sengupta2015-05-061-2/+3
| | | | | | | | | | | | | | | | os.rename is a wrapper on top of the rename function, which fails with invalid cross-device link if /tmp is a tmpfs. Hence using shutil.move Change-Id: Ia026d2a810b725ccd398db895e612c53bc6a2f95 BUG: 1218575 Signed-off-by: Avra Sengupta <asengupt@redhat.com> Reviewed-on: http://review.gluster.org/10347 Reviewed-by: Rajesh Joseph <rjoseph@redhat.com> Reviewed-by: Aravinda VK <avishwan@redhat.com> Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Krishnan Parthasarathi <kparthas@redhat.com> Reviewed-on: http://review.gluster.org/10560
* snapshot/scheduler: Use os.path.realpath() for path validationAvra Sengupta2015-05-061-1/+1
| | | | | | | | | | | | | | | In order to accomodate systems, where /var/run is a symlink to /run, we are using os.path.realpath() for path validations. Change-Id: I4eae536867ec6c88f92c762b92f5c1966b622bde BUG: 1218585 Signed-off-by: Avra Sengupta <asengupt@redhat.com> Reviewed-on: http://review.gluster.org/10464 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Rajesh Joseph <rjoseph@redhat.com> Reviewed-by: Krishnan Parthasarathi <kparthas@redhat.com> Tested-by: Krishnan Parthasarathi <kparthas@redhat.com> Reviewed-on: http://review.gluster.org/10573
* snapshot/scheduler: Adhering to the common storage for schedulerAvra Sengupta2015-04-101-6/+19
| | | | | | | | | | | | | | | | | | | | Making snapshot scheduler use the common storage shared by nfs, snapshot and geo-rep. The meta volume should be named as gluster_shared_storage, and it should be mounted at "/var/run/gluster/shared_storage/". Each component(nfs, snapshot, and geo-rep) should have their own repos inside the shared storage, and perform their operations in the shared storage Change-Id: I4f670bf089c80037bd2b0716ddf743f48d7411ca BUG: 1210344 Signed-off-by: Avra Sengupta <asengupt@redhat.com> Reviewed-on: http://review.gluster.org/10183 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Aravinda VK <avishwan@redhat.com> Reviewed-by: Krishnan Parthasarathi <kparthas@redhat.com> Tested-by: Krishnan Parthasarathi <kparthas@redhat.com>
* snapshot/scheduler: Validate the number of entries in scheduleAvra Sengupta2015-04-101-0/+12
| | | | | | | | | | | | | | | | | | | | | | A valid schedule entry in snapshot schedule must have six elements and adhere to the following format * * * * * | | | | | | | | | +---- Day of the Week (range: 1-7, 1 standing for Monday) | | | +------ Month of the Year (range: 1-12) | | +-------- Day of the Month (range: 1-31) | +---------- Hour (range: 0-23) +------------ Minute (range: 0-59) Change-Id: Idf03a3c43a461295dd3e2026bbcd0420319dd0e0 BUG: 1209408 Signed-off-by: Avra Sengupta <asengupt@redhat.com> Reviewed-on: http://review.gluster.org/10169 Reviewed-by: Aravinda VK <avishwan@redhat.com> Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Krishnan Parthasarathi <kparthas@redhat.com> Tested-by: Krishnan Parthasarathi <kparthas@redhat.com>
* snapshot/scheduler: Fix deleting of snapshot scheduleAvra Sengupta2015-04-101-9/+10
| | | | | | | | | | | | | | Check if the argument has an attribute before validating the attribute. Change-Id: Ia4c6c91c2fca2ec3e82b47d81fbc19a5e0f17eb4 BUG: 1210204 Signed-off-by: Avra Sengupta <asengupt@redhat.com> Reviewed-on: http://review.gluster.org/10168 Reviewed-by: Aravinda VK <avishwan@redhat.com> Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Krishnan Parthasarathi <kparthas@redhat.com> Tested-by: Krishnan Parthasarathi <kparthas@redhat.com>
* snapshot/scheduler: Only run if shared storage is mountedAvra Sengupta2015-04-101-39/+70
| | | | | | | | | | | | | | | Before running any snapshot scheduler op command, verify if /var/run/gluster/snaps/shared_storage/ exists and if the shared storage is mounted at it. Change-Id: Ibb6ba6c01c227cacf9a19d1bf9264500373a4ed6 BUG: 1209112 Signed-off-by: Avra Sengupta <asengupt@redhat.com> Reviewed-on: http://review.gluster.org/10135 Reviewed-by: Aravinda VK <avishwan@redhat.com> Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Krishnan Parthasarathi <kparthas@redhat.com> Tested-by: Krishnan Parthasarathi <kparthas@redhat.com>
* snapshot/scheduler: Remove unwanted schedule enable checkAvra Sengupta2015-04-071-109/+74
| | | | | | | | | | | | | | Allow add, edit, list, delete of schedules even when snapshot scheduling is disabled. Change-Id: Ie55ea7d6e9b3fccd914a786cc54bb323ac765a98 BUG: 1209117 Signed-off-by: Avra Sengupta <asengupt@redhat.com> Reviewed-on: http://review.gluster.org/10136 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Aravinda VK <avishwan@redhat.com> Reviewed-by: Rajesh Joseph <rjoseph@redhat.com> Reviewed-by: Vijay Bellur <vbellur@redhat.com>
* snapshot/scheduler: Check the correctness of Jobname and VolnameAvra Sengupta2015-04-071-0/+27
| | | | | | | | | | | | | | | | | Check for the correctness of Jobname and Volname. They should not be empty, and should contain only one word. If this condition is met, the rest of the whitespaces are also striped, before processing the command. Change-Id: I2c9503ab86456e0f4b37e31d483ee8b2d0b0e1af BUG: 1209120 Signed-off-by: Avra Sengupta <asengupt@redhat.com> Reviewed-on: http://review.gluster.org/10137 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Aravinda VK <avishwan@redhat.com> Reviewed-by: Rajesh Joseph <rjoseph@redhat.com> Reviewed-by: Vijay Bellur <vbellur@redhat.com>
* snapshot/scheduling: A cron based scheduler for snapshot schedulingAvra Sengupta2015-03-181-0/+525
GlusterFS volume snapshot provides point-in-time copy of a GlusterFS volume. Currently, GlusterFS volume snapshots can be easily scheduled by setting up cron jobs on one of the nodes in the GlusterFS trusted storage pool. This has a single point failure (SPOF), as scheduled jobs can be missed if the node running the cron jobs dies. The solution to the above problems is addressed in this patch. The snap_scheduler.py helper script expects the user to install the argparse python module before using it. Further details for the same are available at: http://www.gluster.org/community/documentation/index.php/Features/Scheduling_of_Snapshot Change-Id: I2c357af5b7d3e66f270d20eef50cdeecdcbe15c7 BUG: 1198027 Signed-off-by: Avra Sengupta <asengupt@redhat.com> Signed-off-by: Aravinda VK <avishwan@redhat.com> Reviewed-on: http://review.gluster.org/9788 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Vijay Bellur <vbellur@redhat.com>
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