57 lines
1.9 KiB
Text
57 lines
1.9 KiB
Text
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#!/usr/bin/env bash
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set -euo pipefail
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source /etc/restic/restic.env
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# Metrics file for node_exporter
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METRICS_DIR="/var/lib/node_exporter/textfile_collector"
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METRICS_FILE="${METRICS_DIR}/restic_prune.prom"
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mkdir -p "${METRICS_DIR}"
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# Temporary file for atomic writes
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TEMP_FILE=$(mktemp)
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# Start prune
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START_TIME=$(date +%s)
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if restic forget \
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--keep-daily {{ restic_retention.daily }} \
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--keep-weekly {{ restic_retention.weekly }} \
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--keep-monthly {{ restic_retention.monthly }} \
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--prune; then
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# Prune succeeded
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STATUS=1
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echo "# HELP restic_prune_success Whether the last prune succeeded (1=success, 0=failure)" > "${TEMP_FILE}"
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echo "# TYPE restic_prune_success gauge" >> "${TEMP_FILE}"
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echo "restic_prune_success ${STATUS}" >> "${TEMP_FILE}"
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echo "# HELP restic_prune_timestamp_seconds Timestamp of last prune completion" >> "${TEMP_FILE}"
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echo "# TYPE restic_prune_timestamp_seconds gauge" >> "${TEMP_FILE}"
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echo "restic_prune_timestamp_seconds $(date +%s)" >> "${TEMP_FILE}"
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echo "# HELP restic_prune_duration_seconds Duration of last prune in seconds" >> "${TEMP_FILE}"
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echo "# TYPE restic_prune_duration_seconds gauge" >> "${TEMP_FILE}"
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echo "restic_prune_duration_seconds $(($(date +%s) - START_TIME))" >> "${TEMP_FILE}"
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# Move temp file to final location atomically
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mv "${TEMP_FILE}" "${METRICS_FILE}"
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exit 0
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else
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# Prune failed
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STATUS=0
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echo "# HELP restic_prune_success Whether the last prune succeeded (1=success, 0=failure)" > "${TEMP_FILE}"
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echo "# TYPE restic_prune_success gauge" >> "${TEMP_FILE}"
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echo "restic_prune_success ${STATUS}" >> "${TEMP_FILE}"
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echo "# HELP restic_prune_timestamp_seconds Timestamp of last prune attempt" >> "${TEMP_FILE}"
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echo "# TYPE restic_prune_timestamp_seconds gauge" >> "${TEMP_FILE}"
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echo "restic_prune_timestamp_seconds $(date +%s)" >> "${TEMP_FILE}"
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# Move temp file to final location atomically
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mv "${TEMP_FILE}" "${METRICS_FILE}"
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exit 1
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fi
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