GabrielBrascher opened a new pull request #3681: Validate disk offering IOPS normal and maximum read/write values URL: https://github.com/apache/cloudstack/pull/3681 ## Description When creating a new disk offering ('createDiskOffering' command on API) one can set _normal_ IOPS (write/read) higher than the maximum, breaking the logics on the disk offerings. This PR adds verifications ensuring that _normal_ read/write cannot be greater than _maximum_ read/write. Additionally, it was added a global settings 'iops.maximum.rate.length' to ensure realistic values for the IOPS burst length (seconds). The global settings 'iops.maximum.rate.length' configures the maximum IOPS read/write length; thus, preventing irrealistic values for a disk offering (e.g. hours or days of burst IOPS). The default value is 0 (zero), allowing any IOPS maximum rate length; thus keeping backward compatibility and not affecting any environment configuration after upgrades. # Example: One can set the 'iops.maximum.rate.length' to '3600' (seconds); once the parameter is updated on the management server it will not be possible to create disk offerings with IOPS length higher than 3600 seconds (60 minutes). ## Types of changes <!--- What types of changes does your code introduce? Put an `x` in all the boxes that apply: --> - [ ] Breaking change (fix or feature that would cause existing functionality to change) - [ ] New feature (non-breaking change which adds functionality) - [ ] Bug fix (non-breaking change which fixes an issue) - [X] Enhancement (improves an existing feature and functionality) - [ ] Cleanup (Code refactoring and cleanup, that may add test cases)g
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