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Update dependencies, add restore script #2

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6463836
Update to Debian Stretch and MongoDB 4.0
ellisboddington Jul 24, 2018
0dd9552
Add db_restore.sh script
ellisboddington Jul 31, 2018
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12 changes: 7 additions & 5 deletions Dockerfile
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Original file line number Diff line number Diff line change
@@ -1,13 +1,13 @@
FROM debian:jessie-slim
FROM debian:stretch-slim
LABEL description="MongoDB cron backup to Google Cloud Storage (GCE)"
LABEL maintainer="[email protected]"

RUN apt-get update && \
apt-get install -qqy cron curl python
RUN apt-get update && \
apt-get install -qqy cron curl python gnupg2

# Install MongoDB tools
RUN apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 0C49F3730359A14518585931BC711F9BA15703C6 && \
echo "deb http://repo.mongodb.org/apt/debian jessie/mongodb-org/3.4 main" | tee /etc/apt/sources.list.d/mongodb-org-3.4.list && \
RUN apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv 9DA31620334BD75D9DCB49F368818C72E52529D4 && \
echo "deb http://repo.mongodb.org/apt/debian stretch/mongodb-org/4.0 main" | tee /etc/apt/sources.list.d/mongodb-org-4.0.list && \
apt-get update && \
apt-get install -qqy mongodb-org-tools

Expand All @@ -22,7 +22,9 @@ RUN curl -s -O https://storage.googleapis.com/pub/gsutil.tar.gz && \
ENV CRON_SCHEDULE "0 6 * * *"
RUN mkdir /backup
COPY db_backup.sh /backup/
COPY db_restore.sh /backup/
RUN chmod +x /backup/db_backup.sh
RUN chmod +x /backup/db_restore.sh

# Docker logging from cron runs
RUN ln -sf /proc/1/fd/1 /var/log/cron.log
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31 changes: 31 additions & 0 deletions db_restore.sh
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Original file line number Diff line number Diff line change
@@ -0,0 +1,31 @@
#!/bin/bash
# MongoDB restore from GCS
set -e
echo "--------------------------------"

# variables
BACKUP_DIR=/backup
DB_HOST="$MONGO_HOST"
BUCKET_NAME="$GS_BACKUP_BUCKET"
DATE=$(date +"%Y-%m-%d")
FILE=$1.archive.gz

cd $BACKUP_DIR

if [ -z "$DB_HOST" ]; then
echo "DB_HOST is empty."
exit 1
fi
if [ -z "$BUCKET_NAME" ]; then
echo "BUCKET_NAME is empty."
exit 1
fi

# pull from GCS
echo "Copying gs://$BUCKET_NAME/mongo/$FILE" to $BACKUP_DIR/$FILE
/root/gsutil/gsutil cp gs://"$BUCKET_NAME"/mongo/$FILE $FILE 2>&1

echo "Restoring the MongoDB archive"
mongorestore -h "$DB_HOST" --gzip --archive="$FILE"

echo "Restore complete."