49 lines
1.3 KiB
Plaintext
49 lines
1.3 KiB
Plaintext
#!/bin/bash
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set -euo pipefail
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# Load environment
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source <%= @ps_env_file %>
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LOG_FILE="<%= @ps_prune_log_file %>"
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echo "$(date '+%Y-%m-%d %H:%M:%S') Starting prune run" >> "$LOG_FILE"
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# -----------------------
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# Iterate TSDB blocks
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# -----------------------
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for block in "$TSDB_DIR"/*/; do
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[[ -d "$block" ]] || continue
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meta="$block/meta.json"
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[[ -f "$meta" ]] || continue
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min_time=$(jq -r '.minTime' "$meta")
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max_time=$(jq -r '.maxTime' "$meta")
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# Skip last MIN_AGE_HOURS
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block_age_hours=$(( ($(date +%s) - min_time/1000) / 3600 ))
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if (( block_age_hours < MIN_AGE_HOURS + GRACE_HOURS )); then
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log "Keeping block $block (age ${block_age_hours}h)"
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continue
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fi
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# Check existence in PostgreSQL
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check_sql="${CHECK_SQL_TEMPLATE//\{min\}/$min_time}"
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check_sql="${check_sql//\{max\}/$max_time}"
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exists=$(psql -h "$PGHOST" -p "$PGPORT" -U "$PGUSER" -d "$PGDATABASE" -t -c "$check_sql" | xargs || echo "0")
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if [[ "$exists" != "1" ]]; then
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log "Block $block not confirmed in PostgreSQL, skipping deletion"
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continue
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fi
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# Delete block
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if [[ "$DRY_RUN" == "true" ]]; then
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log "[DRY-RUN] Would delete block $block"
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else
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log "Deleting block $block"
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rm -rf "$block"
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fi
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done
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echo "$(date '+%Y-%m-%d %H:%M:%S') Prune run finished" >> "$LOG_FILE"
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