Adolfo Reyna
44 lines
1.2 KiB
Bash
Executable File
44 lines
1.2 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -euo pipefail
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APP_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
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BACKUP_ROOT="${BACKUP_ROOT:-$APP_DIR/backups}"
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DB_NAME="${DB_NAME:-EMI_SOCIAL}"
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MONGO_IMAGE="${MONGO_BACKUP_IMAGE:-mongo:7}"
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KEEP_ARCHIVES="${KEEP_ARCHIVES:-12}"
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timestamp="$(date -u +%Y%m%dT%H%M%SZ)"
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dump_name="emi_social_${timestamp}"
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archive_path="$BACKUP_ROOT/${dump_name}.tar.gz"
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mkdir -p "$BACKUP_ROOT"
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docker run --rm \
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--user "$(id -u):$(id -g)" \
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--env-file "$APP_DIR/.env" \
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-e DB_NAME="$DB_NAME" \
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-e DUMP_NAME="$dump_name" \
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-v "$BACKUP_ROOT:/backup" \
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"$MONGO_IMAGE" \
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bash -lc '
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set -euo pipefail
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: "${MONGO_URL:?MONGO_URL is missing}"
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uri="$MONGO_URL"
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uri="${uri/\/myFirstDatabase?/\/${DB_NAME}?}"
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uri="${uri/\/myFirstDatabase$/\/${DB_NAME}}"
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mongodump --uri "$uri" --db "$DB_NAME" --out "/backup/$DUMP_NAME"
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'
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tar -czf "$archive_path" -C "$BACKUP_ROOT" "$dump_name"
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rm -rf "$BACKUP_ROOT/$dump_name"
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find "$BACKUP_ROOT" -maxdepth 1 -name 'emi_social_*.tar.gz' -type f \
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-printf '%T@ %p\n' \
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| sort -rn \
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| awk -v keep="$KEEP_ARCHIVES" 'NR > keep { print $2 }' \
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| xargs -r rm -f
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echo "Created MongoDB backup: $archive_path"
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