class ChefBackup::Strategy::LvmBackup
ChefBackup::Lvm class. Class used when Enterprise Chef's stateful services are on an LVM logical volume. This may allow us to not require a pg_dump, instead relying on pg_crash recovery. Not doing a pg_dump will greatly speed up backups.
Public Instance Methods
backup()
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verify config
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Verify lv and vg existence
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Warn if space is low in vg for an lvm snapshot
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Ensure backup directory exists
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Create temp backup dir
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Do DB dump (if we have to)
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Create backup manifest
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Take LVM snapshot
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Mount LVM snapshot
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Create a gzipped tarball of all required files
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db dump (if we have to)
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/etc/opscode
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Backup manifest
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mounted LVM snapshot
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Cleanup tmp directories
# File lib/chef_backup/strategy/backup/lvm.rb, line 21 def backup ensure_tmp_dir verify_lvm dump_db if pg_dump? create_manifest take_lvm_snapshot mount_lvm_snapshot create_tarball cleanup end
mount_lvm_snapshot()
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# File lib/chef_backup/strategy/backup/lvm.rb, line 39 def mount_lvm_snapshot; end
take_lvm_snapshot()
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# File lib/chef_backup/strategy/backup/lvm.rb, line 37 def take_lvm_snapshot; end
verify_lvm()
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# File lib/chef_backup/strategy/backup/lvm.rb, line 32 def verify_lvm # verify lv and vg are available # warn if vg space is low end