CSTACKEX-261: enabling cloudstack volume resize (GROW) for iscsi and nfs - #100
Open
sathvikaragi wants to merge 7 commits into
Open
sathvikaragi wants to merge 7 commits into
sathvikaragi wants to merge 7 commits into
Conversation
sathvikaragi
requested review from
piyush5netapp,
rajiv-jain-netapp,
sandeeplocharla and
suryag1201
as code owners
September 15, 2026 05:22
🔴 Test Coverage Grade:
|
| Metric | Value |
|---|---|
| Line coverage | 24.71% |
| Branch coverage | 18.85% |
Grade Scale
| Grade | Line Coverage | Meaning |
|---|---|---|
| 🟢 A | ≥ 80% | Excellent - this code sleeps well at night 😴 |
| 🟡 B | 60-79% | Good - almost there, don't stop now 😉 |
| 🟠 C | 40-59% | Acceptable - your code is wearing a seatbelt, but no airbags 😬 |
| 🔴 D | 20-39% | Marginal - boldly shipping where no test has gone before 🖖 |
| ⛔ F | < 20% | Failing - tests? what tests? 🔥 |
Branch coverage is shown as a secondary signal. Grade is determined by line coverage.
View full Actions run
suryag1201
reviewed
Sep 17, 2026
piyush5netapp
added
the
to-be-cherry-picked-for-upstream
🔴 Test Coverage Grade:
|
| Metric | Value |
|---|---|
| Line coverage | 24.75% |
| Branch coverage | 18.89% |
Grade Scale
| Grade | Line Coverage | Meaning |
|---|---|---|
| 🟢 A | ≥ 80% | Excellent - this code sleeps well at night 😴 |
| 🟡 B | 60-79% | Good - almost there, don't stop now 😉 |
| 🟠 C | 40-59% | Acceptable - your code is wearing a seatbelt, but no airbags 😬 |
| 🔴 D | 20-39% | Marginal - boldly shipping where no test has gone before 🖖 |
| ⛔ F | < 20% | Failing - tests? what tests? 🔥 |
Branch coverage is shown as a secondary signal. Grade is determined by line coverage.
View full Actions run
🔴 Test Coverage Grade:
|
| Metric | Value |
|---|---|
| Line coverage | 24.76% |
| Branch coverage | 18.89% |
Grade Scale
| Grade | Line Coverage | Meaning |
|---|---|---|
| 🟢 A | ≥ 80% | Excellent - this code sleeps well at night 😴 |
| 🟡 B | 60-79% | Good - almost there, don't stop now 😉 |
| 🟠 C | 40-59% | Acceptable - your code is wearing a seatbelt, but no airbags 😬 |
| 🔴 D | 20-39% | Marginal - boldly shipping where no test has gone before 🖖 |
| ⛔ F | < 20% | Failing - tests? what tests? 🔥 |
Branch coverage is shown as a secondary signal. Grade is determined by line coverage.
View full Actions run
🔴 Test Coverage Grade:
|
| Metric | Value |
|---|---|
| Line coverage | 24.77% |
| Branch coverage | 18.90% |
Grade Scale
| Grade | Line Coverage | Meaning |
|---|---|---|
| 🟢 A | ≥ 80% | Excellent - this code sleeps well at night 😴 |
| 🟡 B | 60-79% | Good - almost there, don't stop now 😉 |
| 🟠 C | 40-59% | Acceptable - your code is wearing a seatbelt, but no airbags 😬 |
| 🔴 D | 20-39% | Marginal - boldly shipping where no test has gone before 🖖 |
| ⛔ F | < 20% | Failing - tests? what tests? 🔥 |
Branch coverage is shown as a secondary signal. Grade is determined by line coverage.
View full Actions run
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
4 participants
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
Description
Cloudstack volume resize supports grow for both NFS and Iscsi which on ontap leads to increase in size for a LUN in case of iscsi and file in case of NFS.Also consists of UT's for the changes and implementation for getusedbytes which is called in this flow to check if storagepool has enough space.
This PR...
Types of changes
Feature/Enhancement Scale or Bug Severity
Feature/Enhancement Scale
Bug Severity
Screenshots (if appropriate):
How Has This Been Tested?
Before resizing volumes:
Growing iscsi csvolume to 10GiB:
Lun on Ontap is grown to 10GiB:
Growing Nfs volume to 10GiB:
virtual size of file on host side grown to 10GiB:
maxsize by default is 1024 GiB in cloudstack for volume which is configurable if size greater than that throws an error:
considering the overprovisiong factor, used space and current space cloud stack calculates and propagates error in case value is over that:
when Lun is deleted on ontap and cs volume is tried to resize , error is thrown:
when file is deleted on ONtap and resize is performed on volume:
when shrink is performed on Iscsi volume with shrinkOk as true:
when shrink is performed on NFS volume :
How did you try to break this feature and the system with this change?