Improvements

Rook v1.7.9 is a patch release limited in scope and focusing on small feature additions and bug fixes to the Ceph operator.

This release includes the new migration tool from flex to CSI. The conversion is required before clusters can be upgraded to v1.8 where flex volumes will not be supported.

• docs: Guide for migrating from flex to csi volumes (#9222, @subhamkrai)
• build: Add pv-migrator tool to rook image in 1.7.x branch (#9274, @subhamkrai)
• helm: Addition of mountOptions into storage class configuration (#9287, @TomHellier)
• osd: Update existing OSDs with deviceClass (#9259, @parth-gr)
• cephfs-mirror: Various fixes for random bootstrap peer import errors (#9264, @leseb)
• helm: Allow configurability of ingress version (#9237, @TomHellier)
• osd: Check if osd is safe-to-destroy before removal from the osd purge job (#9230, @leseb)
• object: Configure object store with correct zone name for multisite (#9249, @olivierbouffet)
• monitoring: Update label on prometheus resources (#9243, @LittleFox94)
• core: Add expected capabilities to OpenShift security context (#9236, @leseb)
• nfs: Only set the pool size when it exists and always run default pool creation for NFS (#9224, @leseb)
• monitoring: Allow overriding monitoring labels (#9240, @LittleFox94)
• helm: Use a more explicit value for ingress for K8s 1.18 (#9280, @TomHellier)
• object: Create system user with correct realm for external cluster (#9143, @olivierbouffet)
• docs: Add details about HPA via KEDA (#9202, @thotz)