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July 4, 2024 20:27
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file rotation backup log #linux
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| #!/bin/bash | |
| # file rotation | |
| # -- this is not possible with logrotate, since we do it remotely | |
| # -- it's also not possible to push 1000x delete commands, so do one combined command | |
| SSH_HOST="xxx" | |
| SSH_PORT=22 | |
| SSH_USERNAME="xxx" | |
| SSH_PATH="/xxx/yyy/zzz" | |
| SSH_BACKUPFILE="/db/backup-%D.zip" | |
| FOLDERS=`ssh -o StrictHostKeyChecking=no -p $SSH_PORT -l $SSH_USERNAME $SSH_HOST ls -A1 $SSH_PATH/` | |
| for FOLDERS__VALUE in $FOLDERS; do | |
| FILELIST="" | |
| D_CUR="2020-01-01" | |
| D_END=$(date +'%Y-%m-%d') | |
| #D_END="2023-10-13" # debug | |
| OLDEST=true | |
| while [ "$D_CUR" != "$D_END" ]; do | |
| #echo $D_CUR | |
| ## do this in reverse order | |
| # oldest | |
| if [[ $OLDEST == true ]]; then | |
| OLDEST=false && echo "4: $D_CUR"; | |
| # all yearlies | |
| elif [[ $(date +'%d' -d $D_CUR) == 01 && $(date +'%m' -d $D_CUR) == 01 ]]; then | |
| echo "3: $D_CUR"; | |
| # last 12 monthlies | |
| elif [[ $D_CUR > $(date +%F -d '12 months ago') && $(date +'%d' -d $D_CUR) == 01 ]]; then | |
| echo "2: $D_CUR"; | |
| # last 14 dailies | |
| elif [[ $D_CUR > $(date +%F -d '14 days ago') ]]; then | |
| echo "1: $D_CUR"; | |
| else | |
| FILELIST+=" $SSH_PATH/$FOLDERS__VALUE${SSH_BACKUPFILE//\%D/X}" | |
| echo "D: $D_CUR" | |
| fi | |
| D_CUR=$(date -I -d "$D_CUR + 1 day") | |
| done | |
| # run single command (for performance reasons) | |
| ssh -o StrictHostKeyChecking=no -p $SSH_PORT -l $SSH_USERNAME $SSH_HOST rm$FILELIST | |
| done |
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