shared volume mount fails

[wdurairaj]

Recreate steps:

[root@ecostor-b13 ~]# docker volume create -d hpe --name m_conf_delay_vol1 -o size=1
m_conf_delay_vol1
[root@ecostor-b13 ~]# docker volume inspect m_conf_delay_vol1
[
    {
        "Driver": "hpe",
        "Labels": {},
        "Mountpoint": "/",
        "Name": "m_conf_delay_vol1",
        "Options": {
            "size": "1"
        },
        "Scope": "global",
        "Status": {
            "volume_detail": {
                "3par_vol_name": "dcv-Kj9c18FyR5.nh2MSbZQoGw",
                "backend": "DEFAULT",
                "compression": null,
                "cpg": "FC_r1",
                "domain": "Chef_Test",
                "flash_cache": null,
                "fsMode": null,
                "fsOwner": null,
                "mountConflictDelay": 30,
                "provisioning": "thin",
                "size": 1,
                "snap_cpg": "FC_r1"
            }
        }
    }
]
[root@ecostor-b13 ~]# docker run -it -v m_conf_delay_vol1:/data1 --rm busybox /bin/sh
/ #

login as: root
root@15.213.65.60's password:
Access denied
root@15.213.65.60's password:
Last failed login: Fri Jul  5 17:43:40 IST 2019 from cssos-ts01.in.rdlabs.hpecorp.net on ssh:notty
There was 1 failed login attempt since the last successful login.
Last login: Fri Jul  5 17:38:22 2019 from cssos-ts01.in.rdlabs.hpecorp.net
ABRT has detected 1 problem(s). For more info run: abrt-cli list --since 1562328502
[root@ecostor-b13 ~]# docker run -it -v m_conf_delay_vol1:/data1 --rm --name c1 busybox /bin/sh

/usr/bin/docker-current: Error response from daemon: error while mounting volume '/opt/hpe/data/hpedocker-dm-uuid-mpath-360002ac00000000001008506000187b7': HPE Docker Volume Plugin Mount Failed: ('exception is : %s', '\n\n  RAN: /bin/mount -t ext4 /dev/dm-3 /opt/hpe/data/hpedocker-dm-uuid-mpath-360002ac00000000001008506000187b7\n\n  STDOUT:\n\n\n  STDERR:\nmount: /opt/hpe/data/hpedocker-dm-uuid-mpath-360002ac00000000001008506000187b7: /dev/mapper/360002ac00000000001008506000187b7 already mounted on /opt/hpe/data/hpedocker-dm-uuid-mpath-360002ac00000000001008506000187b7.\n').
[root@ecostor-b13 ~]#

Log snippet

2019-07-05 12:14:08,370 [DEBUG] sh.stream_bufferer [139705761946344] STDOUT/ERR thread for pid 137 got buffering lock for flushing buffer
2019-07-05 12:14:08,370 [DEBUG] sh.stream_bufferer [139705761946344] STDOUT/ERR thread for pid 137 released buffering lock for flushing buffer
2019-07-05 12:14:08,371 [DEBUG] sh.streamreader [139705761946344] STDOUT/ERR thread for pid 137 got chunk size 0 to flush: b''
2019-07-05 12:14:08,371 [INFO] sh.command [139705938107272] MainThread <Command '/bin/grep -E /opt/hpe/data/hpedocker-dm-uuid-mpath-360002ac00000000001008506000187b7', pid 137>: process completed
2019-07-05 12:14:08,371 [INFO] sh.command [139705938107272] MainThread <Command '/bin/grep -E /opt/hpe/data/hpedocker-dm-uuid-mpath-360002ac00000000001008506000187b7', pid 137>: process completed
2019-07-05 12:14:08,372 [INFO] hpedockerplugin.volume_manager [139705938107272] MainThread Volume mounted on a different node. Waiting for other node to gracefully unmount the volume...

This is caused by regression from PR https://github.com/hpe-storage/python-hpedockerplugin/pull/650

[amitk1977]

Fixed and available in latest 3.2 tag.

[amitk1977]

To be verified by Raghavendra C on the final RC build of 7/10

[amitk1977]

Verified and closing by Raghavendra on 3.2 tag build.