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@@ -121,18 +121,6 @@
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basearch=$(uname -i)
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rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY-fedora-$releasever-$basearch
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- echo "Zeroing out empty space."
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- # Create zeros file with nodatacow and no compression
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- touch /var/tmp/zeros
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- chattr +C /var/tmp/zeros
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- # This forces the filesystem to reclaim space from deleted files
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- dd bs=1M if=/dev/zero of=/var/tmp/zeros || :
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- echo "(Don't worry -- that out-of-space error was expected.)"
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- # Force sync to disk (Cf. https://pagure.io/cloud-sig/issue/340#comment-743430)
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- btrfs filesystem sync /
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- rm -f /var/tmp/zeros
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- btrfs filesystem sync /
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-
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# When we build the image a networking config file gets left behind.
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# Let's clean it up.
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echo "Cleanup leftover networking configuration"
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@@ -141,8 +129,12 @@
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# Clear machine-id on pre generated images
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truncate -s 0 /etc/machine-id
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- # add fstrim -av to the post section until BZ#1971186 is resolved
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+ # Use fstrim to trim the disk of unused blocks
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+ # Cf. BZ#1971186
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+ echo "Trimming the disk of unused blocks."
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fstrim -av
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+ # Force sync to disk (Cf. https://pagure.io/cloud-sig/issue/340#comment-743430)
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+ btrfs filesystem sync /
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%end
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##### end kickstart post ############################################
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ngompa
commented 2 years ago
This should be functionally equivalent with less I/O burden.