2023-12-02 09:18:19 +01:00
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#!/bin/bash
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{{ ansible_managed | comment }}
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set -eu
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2023-12-02 09:22:32 +01:00
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TEXTFILE_COLLECTOR_DIR=/var/lib/prometheus/node-exporter
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2023-12-02 09:18:19 +01:00
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PROM_FILE=$TEXTFILE_COLLECTOR_DIR/backup.prom
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TMP_FILE=$PROM_FILE.$$
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2023-12-02 16:03:29 +01:00
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NOW=$(date +%s)
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BORG_INFO=$(borgmatic --no-color info --last 1 --json)
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2023-12-02 09:18:19 +01:00
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2023-12-02 16:03:29 +01:00
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get_field() {
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local query="$1"
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printf '%s' "$BORG_INFO" | jq -r ".[].$query"
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}
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2023-12-02 11:45:43 +01:00
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2023-12-02 16:03:29 +01:00
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borg_last_modified=$(get_field 'repository.last_modified' | xargs -I{} date -d "{}" +"%s")
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borg_backup_age=$(echo "$NOW" "$borg_last_modified" | awk '{print(($1 - $2) / (24 * 60 * 60))}')
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2023-12-02 09:18:19 +01:00
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2023-12-02 16:03:29 +01:00
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get_status_data() {
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cat <<EOF
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# HELP backup_age Age of last backup ind days.
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# TYPE backup_age gauge
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backup_age $borg_backup_age
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# HELP backup_files Number of files in backup.
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# TYPE backup_files gauge
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backup_files $(get_field 'archives | .[] | .stats.nfiles')
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# HELP backup_chunks_unique Number of unique chunks of recent backup.
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# TYPE backup_chunks_unique gauge
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backup_chunks_unique $(get_field 'cache.stats.total_unique_chunks')
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# HELP backup_chunks_total Number of chunks in all backups.
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# TYPE backup_chunks_total gauge
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backup_chunks_total $(get_field 'cache.stats.total_chunks')
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# HELP backup_last_size Size of last backup in bytes.
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# TYPE backup_last_size gauge
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backup_last_size $(get_field 'archives | .[] | .stats.original_size')
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# HELP backup_last_size_compressed Compressed site of last backup in bytes.
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# TYPE backup_last_size_compressed gauge
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backup_last_size_compressed $(get_field 'archives | .[] | .stats.compressed_size')
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# HELP backup_last_size_dedup Depluplicated size of last backup in bytes.
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# TYPE backup_last_size_dedup gauge
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backup_last_size_dedup $(get_field 'archives | .[] | .stats.deduplicated_size')
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# HELP backup_total_size Size of all backups in bytes.
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# TYPE backup_total_size gauge
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backup_total_size $(get_field 'cache.stats.total_size')
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# HELP backup_total_size_compressed Compressed size of all backups in bytes.
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# TYPE backup_total_size_compressed gauge
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backup_total_size_compressed $(get_field 'cache.stats.total_csize')
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# HELP backup_total_size_dedup Depluplicated size of all backups in bytes.
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# TYPE backup_total_size_dedup gauge
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backup_total_size_dedup $(get_field 'cache.stats.unique_csize')
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EOF
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}
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status=$(get_status_data)
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printf '%s' "$status" >"$TMP_FILE"
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mv "$TMP_FILE" "$PROM_FILE"
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