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https://github.com/tubearchivist/tubearchivist-server.git
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35 lines
985 B
Bash
35 lines
985 B
Bash
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#!/bin/bash
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# postgres backup and log management
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time_stamp=$(date '+%Y%m%d')
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time_date=$(date '+%Y%m%d_%H%M%S')
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backup_dir="$HOME/backup"
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# backup
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docker exec postgres pg_dump -U archivist | gzip > "$backup_dir/pg_$time_stamp.gz"
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# rotate
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find "$backup_dir" -type f -name "pg_*.gz" | sort -r | tail -n +7 | xargs --no-run-if-empty trash
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# log
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log_file="$backup_dir/pg_status.log"
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query1="SELECT schemaname AS table_schema, \
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relname AS table_name, \
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pg_size_pretty(pg_relation_size(relid)) AS data_size \
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FROM pg_catalog.pg_statio_user_tables \
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ORDER BY pg_relation_size(relid) DESC;"
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query2="SELECT schemaname,relname,n_live_tup \
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FROM pg_stat_user_tables \
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ORDER BY n_live_tup DESC;"
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echo "postgres dump run at $time_date" > "$log_file"
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echo "table size" >> "$log_file"
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docker exec postgres psql -U archivist -c "$query1" >> "$log_file"
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echo "row count" >> "$log_file"
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docker exec postgres psql -U archivist -c "$query2" >> "$log_file"
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##
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exit 0
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