Allow extending volume size with inUse status #1174

wisererik · 2020-01-16T04:11:02Z

What this PR does / why we need it:

This PR will enable the feature of extending volume size with in use status. There is an impact on volume status. Before this PR, the volume status includes:

const (
	VolumeCreating       = "creating"		
	VolumeAvailable      = "available"		
	VolumeInUse          = "inUse"	
	VolumeDeleting       = "deleting"		
	VolumeError          = "error"		
	VolumeErrorDeleting  = "errorDeleting"		
	VolumeErrorExtending = "errorExtending"		
	VolumeExtending      = "extending"		
)

// volume attach status	
const (	
	VolumeAttaching      = "attaching"	
	VolumeAttached       = "attached"	
	VolumeDetached       = "detached"	
	VolumeReserved       = "reserved"	
	VolumeErrorAttaching = "errorAttaching"	
	VolumeErrorDetaching = "errorDetaching"	
)

Since opensds already has attachment api, the attach status is redundant in volume. Therefore, I plan to remove them. After this PR, the status of volume will only include the following status. It will become more clear for volume.

const (
	VolumeCreating       = "creating"		
	VolumeAvailable      = "available"			
	VolumeDeleting       = "deleting"		
	VolumeError          = "error"		
	VolumeErrorDeleting  = "errorDeleting"		
	VolumeErrorExtending = "errorExtending"		
	VolumeExtending      = "extending"		
)

Which issue this PR fixes: fixes #1126

Special notes for your reviewer:

Release note:

root1@root1-HP-EliteBook-840-G2:~/gopath/src/github.com/opensds/opensds$ osdsctl host list
+--------------------------------------+---------------------------+--------+------------+---------------+-------------------+
| Id                                   | HostName                  | OsType | AccessMode | IP            | AvailabilityZones |
+--------------------------------------+---------------------------+--------+------------+---------------+-------------------+
| 5c120d07-a6b3-44fb-99bd-c707c3325fba | root1-HP-EliteBook-840-G2 | linux  | agentless  | 100.70.90.178 | [default]         |
+--------------------------------------+---------------------------+--------+------------+---------------+-------------------+
root1@root1-HP-EliteBook-840-G2:~/gopath/src/github.com/opensds/opensds$ osdsctl volume create 1 --name test
+------------------+--------------------------------------+
| Property         | Value                                |
+------------------+--------------------------------------+
| Id               | a8306cf0-52f8-47e0-8068-714f3890c788 |
| CreatedAt        | 2020-01-16T11:48:08                  |
| Name             | test                                 |
| Description      |                                      |
| GroupId          |                                      |
| Size             | 1                                    |
| AvailabilityZone | default                              |
| Status           | creating                             |
| PoolId           |                                      |
| ProfileId        | 904c8080-e0b1-4401-94fd-81c1e174493f |
| Metadata         | null                                 |
|                  |                                      |
| MultiAttach      | false                                |
+------------------+--------------------------------------+
root1@root1-HP-EliteBook-840-G2:~/gopath/src/github.com/opensds/opensds$ osdsctl volume list
+--------------------------------------+------+-------------+------+------------------+-----------+--------------------------------------+
| Id                                   | Name | Description | Size | AvailabilityZone | Status    | ProfileId                            |
+--------------------------------------+------+-------------+------+------------------+-----------+--------------------------------------+
| a8306cf0-52f8-47e0-8068-714f3890c788 | test |             | 1    | default          | available | 904c8080-e0b1-4401-94fd-81c1e174493f |
+--------------------------------------+------+-------------+------+------------------+-----------+--------------------------------------+
root1@root1-HP-EliteBook-840-G2:~/gopath/src/github.com/opensds/opensds$ osdsctl volume attachment create a8306cf0-52f8-47e0-8068-714f3890c788 5c120d07-a6b3-44fb-99bd-c707c3325fba
+----------------+--------------------------------------+
| Property       | Value                                |
+----------------+--------------------------------------+
| Id             | 10e448d4-11bb-442c-ad91-8081901aaa8e |
| CreatedAt      | 2020-01-16T11:48:36                  |
| HostId         | 5c120d07-a6b3-44fb-99bd-c707c3325fba |
| VolumeId       | a8306cf0-52f8-47e0-8068-714f3890c788 |
| Status         | creating                             |
| Mountpoint     |                                      |
| AttachMode     | rw                                   |
| ConnectionInfo | {}                                   |
|                |                                      |
+----------------+--------------------------------------+
root1@root1-HP-EliteBook-840-G2:~/gopath/src/github.com/opensds/opensds$ osdsctl volume attachment list
+--------------------------------------+--------------------------------------+--------------------------------------+-----------+----------------+
| Id                                   | HostId                               | VolumeId                             | Status    | AccessProtocol |
+--------------------------------------+--------------------------------------+--------------------------------------+-----------+----------------+
| 10e448d4-11bb-442c-ad91-8081901aaa8e | 5c120d07-a6b3-44fb-99bd-c707c3325fba | a8306cf0-52f8-47e0-8068-714f3890c788 | available | iscsi  |
+--------------------------------------+--------------------------------------+--------------------------------------+-----------+----------------+
root1@root1-HP-EliteBook-840-G2:~/gopath/src/github.com/opensds/opensds$ osdsctl volume
attachment   create       delete       extend       group        list         replication  show         snapshot     update
root1@root1-HP-EliteBook-840-G2:~/gopath/src/github.com/opensds/opensds$ osdsctl volume extend a8306cf0-52f8-47e0-8068-714f3890c788 3
+------------------+----------------------------------------------------------------------------------------+
| Property         | Value                                                                                  |
+------------------+----------------------------------------------------------------------------------------+
| Id               | a8306cf0-52f8-47e0-8068-714f3890c788                                                   |
| CreatedAt        | 2020-01-16T11:48:08                                                                    |
| UpdatedAt        | 2020-01-16T11:49:16                                                                    |
| Name             | test                                                                                   |
| Description      |                                                                                        |
| GroupId          |                                                                                        |
| Size             | 1                                                                                      |
| AvailabilityZone | default                                                                                |
| Status           | extending                                                                              |
| PoolId           | 34c4869a-5138-5858-aa24-959af003aaa7                                                   |
| ProfileId        | 904c8080-e0b1-4401-94fd-81c1e174493f                                                   |
| Metadata         | {                                                                                      |
|                  |   "lvPath": "/dev/opensds-volumes-default/volume-a8306cf0-52f8-47e0-8068-714f3890c788" |
|                  | }                                                                                      |
|                  |                                                                                        |
| MultiAttach      | false                                                                                  |
+------------------+----------------------------------------------------------------------------------------+
root1@root1-HP-EliteBook-840-G2:~/gopath/src/github.com/opensds/opensds$ osdsctl volume list
+--------------------------------------+------+-------------+------+------------------+-----------+--------------------------------------+
| Id                                   | Name | Description | Size | AvailabilityZone | Status    | ProfileId                            |
+--------------------------------------+------+-------------+------+------------------+-----------+--------------------------------------+
| a8306cf0-52f8-47e0-8068-714f3890c788 | test |             | 3    | default          | available | 904c8080-e0b1-4401-94fd-81c1e174493f |
+--------------------------------------+------+-------------+------+------------------+-----------+--------------------------------------+
root1@root1-HP-EliteBook-840-G2:~/gopath/src/github.com/opensds/opensds$

codecov · 2020-01-16T04:20:01Z

Codecov Report

Merging #1174 into development will decrease coverage by 0.2%.
The diff coverage is 14.28%.

@@               Coverage Diff               @@
##           development    #1174      +/-   ##
===============================================
- Coverage        34.82%   34.61%   -0.21%     
===============================================
  Files               97       97              
  Lines            17622    17656      +34     
===============================================
- Hits              6137     6112      -25     
- Misses           10614    10672      +58     
- Partials           871      872       +1

Impacted Files	Coverage Δ
pkg/api/util/db.go	`36.99% <0%> (ø)`	⬆️
pkg/api/controllers/attachment.go	`15.63% <0%> (-0.23%)`	⬇️
pkg/db/drivers/etcd/etcd.go	`26.85% <33.33%> (+0.01%)`	⬆️
pkg/api/controllers/volume.go	`24.59% <34.61%> (-0.92%)`	⬇️
pkg/controller/controller.go	`43.63% <8.82%> (-4.46%)`	⬇️

sushanthakumar · 2020-01-27T14:20:58Z

What this PR does / why we need it:

This PR will enable the feature of extending volume size with in use status. There is an impact on volume status. Before this PR, the volume status includes:
const (
	VolumeCreating       = "creating"		
	VolumeAvailable      = "available"		
	VolumeInUse          = "inUse"	
	VolumeDeleting       = "deleting"		
	VolumeError          = "error"		
	VolumeErrorDeleting  = "errorDeleting"		
	VolumeErrorExtending = "errorExtending"		
	VolumeExtending      = "extending"		
)

// volume attach status	
const (	
	VolumeAttaching      = "attaching"	
	VolumeAttached       = "attached"	
	VolumeDetached       = "detached"	
	VolumeReserved       = "reserved"	
	VolumeErrorAttaching = "errorAttaching"	
	VolumeErrorDetaching = "errorDetaching"	
)	
Since opensds already has attachment api, the attach status is redundant in volume. Therefore, I plan to remove them. After this PR, the status of volume will only include the following status. It will become more clear for volume.
const (
	VolumeCreating       = "creating"		
	VolumeAvailable      = "available"			
	VolumeDeleting       = "deleting"		
	VolumeError          = "error"		
	VolumeErrorDeleting  = "errorDeleting"		
	VolumeErrorExtending = "errorExtending"		
	VolumeExtending      = "extending"		
)	
Which issue this PR fixes: fixes #1126

Special notes for your reviewer:
Any other PR(s) this PR is dependant on: None

Release note:

root1@root1-HP-EliteBook-840-G2:~/gopath/src/github.com/opensds/opensds$ osdsctl host list
+--------------------------------------+---------------------------+--------+------------+---------------+-------------------+
| Id                                   | HostName                  | OsType | AccessMode | IP            | AvailabilityZones |
+--------------------------------------+---------------------------+--------+------------+---------------+-------------------+
| 5c120d07-a6b3-44fb-99bd-c707c3325fba | root1-HP-EliteBook-840-G2 | linux  | agentless  | 100.70.90.178 | [default]         |
+--------------------------------------+---------------------------+--------+------------+---------------+-------------------+
root1@root1-HP-EliteBook-840-G2:~/gopath/src/github.com/opensds/opensds$ osdsctl volume create 1 --name test
+------------------+--------------------------------------+
| Property         | Value                                |
+------------------+--------------------------------------+
| Id               | a8306cf0-52f8-47e0-8068-714f3890c788 |
| CreatedAt        | 2020-01-16T11:48:08                  |
| Name             | test                                 |
| Description      |                                      |
| GroupId          |                                      |
| Size             | 1                                    |
| AvailabilityZone | default                              |
| Status           | creating                             |
| PoolId           |                                      |
| ProfileId        | 904c8080-e0b1-4401-94fd-81c1e174493f |
| Metadata         | null                                 |
|                  |                                      |
| MultiAttach      | false                                |
+------------------+--------------------------------------+
root1@root1-HP-EliteBook-840-G2:~/gopath/src/github.com/opensds/opensds$ osdsctl volume list
+--------------------------------------+------+-------------+------+------------------+-----------+--------------------------------------+
| Id                                   | Name | Description | Size | AvailabilityZone | Status    | ProfileId                            |
+--------------------------------------+------+-------------+------+------------------+-----------+--------------------------------------+
| a8306cf0-52f8-47e0-8068-714f3890c788 | test |             | 1    | default          | available | 904c8080-e0b1-4401-94fd-81c1e174493f |
+--------------------------------------+------+-------------+------+------------------+-----------+--------------------------------------+
root1@root1-HP-EliteBook-840-G2:~/gopath/src/github.com/opensds/opensds$ osdsctl volume attachment create a8306cf0-52f8-47e0-8068-714f3890c788 5c120d07-a6b3-44fb-99bd-c707c3325fba
+----------------+--------------------------------------+
| Property       | Value                                |
+----------------+--------------------------------------+
| Id             | 10e448d4-11bb-442c-ad91-8081901aaa8e |
| CreatedAt      | 2020-01-16T11:48:36                  |
| HostId         | 5c120d07-a6b3-44fb-99bd-c707c3325fba |
| VolumeId       | a8306cf0-52f8-47e0-8068-714f3890c788 |
| Status         | creating                             |
| Mountpoint     |                                      |
| AttachMode     | rw                                   |
| ConnectionInfo | {}                                   |
|                |                                      |
+----------------+--------------------------------------+
root1@root1-HP-EliteBook-840-G2:~/gopath/src/github.com/opensds/opensds$ osdsctl volume attachment list
+--------------------------------------+--------------------------------------+--------------------------------------+-----------+----------------+
| Id                                   | HostId                               | VolumeId                             | Status    | AccessProtocol |
+--------------------------------------+--------------------------------------+--------------------------------------+-----------+----------------+
| 10e448d4-11bb-442c-ad91-8081901aaa8e | 5c120d07-a6b3-44fb-99bd-c707c3325fba | a8306cf0-52f8-47e0-8068-714f3890c788 | available | iscsi  |
+--------------------------------------+--------------------------------------+--------------------------------------+-----------+----------------+
root1@root1-HP-EliteBook-840-G2:~/gopath/src/github.com/opensds/opensds$ osdsctl volume
attachment   create       delete       extend       group        list         replication  show         snapshot     update
root1@root1-HP-EliteBook-840-G2:~/gopath/src/github.com/opensds/opensds$ osdsctl volume extend a8306cf0-52f8-47e0-8068-714f3890c788 3
+------------------+----------------------------------------------------------------------------------------+
| Property         | Value                                                                                  |
+------------------+----------------------------------------------------------------------------------------+
| Id               | a8306cf0-52f8-47e0-8068-714f3890c788                                                   |
| CreatedAt        | 2020-01-16T11:48:08                                                                    |
| UpdatedAt        | 2020-01-16T11:49:16                                                                    |
| Name             | test                                                                                   |
| Description      |                                                                                        |
| GroupId          |                                                                                        |
| Size             | 1                                                                                      |
| AvailabilityZone | default                                                                                |
| Status           | extending                                                                              |
| PoolId           | 34c4869a-5138-5858-aa24-959af003aaa7                                                   |
| ProfileId        | 904c8080-e0b1-4401-94fd-81c1e174493f                                                   |
| Metadata         | {                                                                                      |
|                  |   "lvPath": "/dev/opensds-volumes-default/volume-a8306cf0-52f8-47e0-8068-714f3890c788" |
|                  | }                                                                                      |
|                  |                                                                                        |
| MultiAttach      | false                                                                                  |
+------------------+----------------------------------------------------------------------------------------+
root1@root1-HP-EliteBook-840-G2:~/gopath/src/github.com/opensds/opensds$ osdsctl volume list
+--------------------------------------+------+-------------+------+------------------+-----------+--------------------------------------+
| Id                                   | Name | Description | Size | AvailabilityZone | Status    | ProfileId                            |
+--------------------------------------+------+-------------+------+------------------+-----------+--------------------------------------+
| a8306cf0-52f8-47e0-8068-714f3890c788 | test |             | 3    | default          | available | 904c8080-e0b1-4401-94fd-81c1e174493f |
+--------------------------------------+------+-------------+------+------------------+-----------+--------------------------------------+
root1@root1-HP-EliteBook-840-G2:~/gopath/src/github.com/opensds/opensds$

kumarashit · 2020-01-31T09:06:40Z

pkg/api/controllers/volume.go

+		return
+	}
+	if pool.Status != model.PoolAvailable {
+		errMsg := fmt.Sprintf("pool:%s with status:%s can not support extending volume", pool.Name, pool.Status)


Should the message be

Suggested change

errMsg := fmt.Sprintf("pool:%s with status:%s can not support extending volume", pool.Name, pool.Status)

errMsg := fmt.Sprintf("pool:%s has status:%s. Can not extend volume", pool.Name, pool.Status)

kumarashit · 2020-01-31T09:09:08Z

pkg/api/util/db.go

-	if vol.Status != model.VolumeAvailable && vol.Status != model.VolumeInUse {
-		errMsg := "only the status of volume is available or in-use, the snapshot can be created"
+	if vol.Status != model.VolumeAvailable {
+		errMsg := "only the status of volume is available, the snapshot can be created"


Is these messages correct?

kumarashit · 2020-01-31T13:14:22Z

Fix has two parts, one for extending the size of volume and other to remove the attached/detached state from volume list. For the second part, don't we need the attached/detached state on volume also. Someone can go and check the volume list to see if that volume is attached or detached. Not from host list ofcourse

wisererik · 2020-02-04T07:26:49Z

Fix has two parts, one for extending the size of volume and other to remove the attached/detached state from volume list. For the second part, don't we need the attached/detached state on volume also. Someone can go and check the volume list to see if that volume is attached or detached. Not from host list ofcourse

volume still has the property named `attached' to display whether the volume is attached or not

Online resize support (#10)

375f1b1

wisererik changed the title ~~[WIP]Allow extending volume size with inUse status~~ Allow extending volume size with inUse status Jan 16, 2020

sushanthakumar mentioned this pull request Jan 27, 2020

[CSI] OFFLINE volume expansion support sodafoundation/nbp#338

Closed

kumarashit reviewed Jan 31, 2020

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joseph-v mentioned this pull request Feb 5, 2020

Fix incorrect use of AttachStatus #1222

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Allow extending volume size with inUse status #1174

Allow extending volume size with inUse status #1174

wisererik commented Jan 16, 2020 •

edited

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sushanthakumar commented Jan 27, 2020

kumarashit Jan 31, 2020

kumarashit Jan 31, 2020

kumarashit commented Jan 31, 2020

wisererik commented Feb 4, 2020

	errMsg := fmt.Sprintf("pool:%s with status:%s can not support extending volume", pool.Name, pool.Status)
	errMsg := fmt.Sprintf("pool:%s has status:%s. Can not extend volume", pool.Name, pool.Status)

Allow extending volume size with inUse status #1174

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Allow extending volume size with inUse status #1174

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wisererik commented Jan 16, 2020 • edited Loading

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wisererik commented Jan 16, 2020 •

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