fix: eliminate the duplicate mount entries in /proc/mounts (#524)

Artyom Kartasovrequested to merge
524-deduplicate-mount-entries into master

Description

Eliminate the duplicate mount entries in /proc/mounts that were accumulating with each logical dump/restore job execution:

  • check both Source and Target paths when detecting duplicates
  • prevent parent container mounts from being duplicated when DLE runs inside Docker
  • fix the cleanup script to remove data from previous test runs

Related issue

#524 (closed)

Examples

Checklist

  • MR description has been reviewed
  • MR changes are functionally tested
  • MR does NOT have API/CLI changes OR there are API/CLI changes and they have been reviewed & DOCS ARE ADJUSTED (reference doc, etc)
  • MR does NOT have UI changes OR there are UI changes and they have been reviewed & UX IS REVIEWED

Closes #524 (closed)

Edited by Artyom Kartasov

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