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49 lines
1.4 KiB
49 lines
1.4 KiB
#!/bin/bash
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[ "$MONGO_HOST" ] || {
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echo "You must define \$MONGO_HOST variable." >&2
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exit 1
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}
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mongo_databases() {
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echo "show dbs" | mongo --quiet --host "$MONGO_HOST" | cut -f 1 -d " "
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}
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dbs=$(mongo_databases)
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BACKUP_ROOT=/var/backups/mongo
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mkdir -p "$BACKUP_ROOT"
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for db in $dbs; do
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if [[ "$db" == "local" || "$db" == "config" ]]; then
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continue
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fi
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for exclude_db in $exclude_dbs; do
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if [ "$exclude_db" == "$db" ]; then
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echo "No backup for database $db as it is listed in 'exclude-dbs'."
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continue 2
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fi
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done
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dst="$BACKUP_ROOT/$db"
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[ -d "$dst.old" ] && rm -rf "$dst.old"
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[ -d "$dst" ] && mv "$dst" "$dst.old"
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mkdir -p "$dst.inprogress"
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(( start = SECONDS ))
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echo "Dumping database $db..." >&2
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mongodump --host "$MONGO_HOST" --db "$db" --out "$dst.inprogress" &&
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mv "$dst.inprogress/$db/"* "$dst.inprogress/" &&
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rmdir "$dst.inprogress/$db"
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errlvl="${PIPESTATUS[0]}"
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(( elapsed = SECONDS - start ))
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if [ "$errlvl" != "0" ]; then
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echo " !! Error when dumping database $db." >&2
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rm -rf "$dst.inprogress" &&
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[ -d "$dst.old" ] && rm -rf "$dst.old"
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else
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mv "$dst.inprogress" "$dst"
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[ -d "$dst.old" ] && rm -rf "$dst.old"
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printf " ..dumped %-35s (%12s in %10s)\n" "$db" "$(du -sh "$dst" | cut -f 1)" "${elapsed}s" >&2
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fi
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done
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