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118 lines
3.2 KiB
118 lines
3.2 KiB
#! /bin/sh
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set -eo pipefail
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if [ "${S3_ACCESS_KEY_ID}" = "**None**" ]; then
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echo "You need to set the S3_ACCESS_KEY_ID environment variable."
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exit 1
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fi
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if [ "${S3_SECRET_ACCESS_KEY}" = "**None**" ]; then
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echo "You need to set the S3_SECRET_ACCESS_KEY environment variable."
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exit 1
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fi
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if [ "${S3_BUCKET}" = "**None**" ]; then
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echo "You need to set the S3_BUCKET environment variable."
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exit 1
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fi
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if [ "${POSTGRES_DATABASE}" = "**None**" -a "${POSTGRES_BACKUP_ALL}" != "true" ]; then
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echo "You need to set the POSTGRES_DATABASE environment variable."
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exit 1
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fi
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if [ "${POSTGRES_HOST}" = "**None**" ]; then
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if [ -n "${POSTGRES_PORT_5432_TCP_ADDR}" ]; then
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POSTGRES_HOST=$POSTGRES_PORT_5432_TCP_ADDR
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POSTGRES_PORT=$POSTGRES_PORT_5432_TCP_PORT
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else
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echo "You need to set the POSTGRES_HOST environment variable."
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exit 1
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fi
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fi
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if [ "${POSTGRES_USER}" = "**None**" ]; then
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echo "You need to set the POSTGRES_USER environment variable."
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exit 1
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fi
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if [ "${POSTGRES_PASSWORD}" = "**None**" ]; then
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echo "You need to set the POSTGRES_PASSWORD environment variable or link to a container named POSTGRES."
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exit 1
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fi
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if [ "${S3_ENDPOINT}" == "**None**" ]; then
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AWS_ARGS=""
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else
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AWS_ARGS="--endpoint-url ${S3_ENDPOINT}"
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fi
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# env vars needed for aws tools
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export AWS_ACCESS_KEY_ID=$S3_ACCESS_KEY_ID
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export AWS_SECRET_ACCESS_KEY=$S3_SECRET_ACCESS_KEY
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export AWS_DEFAULT_REGION=$S3_REGION
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export PGPASSWORD=$POSTGRES_PASSWORD
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POSTGRES_HOST_OPTS="-h $POSTGRES_HOST -p $POSTGRES_PORT -U $POSTGRES_USER $POSTGRES_EXTRA_OPTS"
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if [ -z ${S3_PREFIX+x} ]; then
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S3_PREFIX="/"
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else
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S3_PREFIX="/${S3_PREFIX}/"
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fi
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if [ "${POSTGRES_BACKUP_ALL}" == "true" ]; then
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SRC_FILE=dump.sql.gz
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DEST_FILE=all_$(date +"%Y-%m-%dT%H:%M:%SZ").sql.gz
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echo "Creating dump of all databases from ${POSTGRES_HOST}..."
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pg_dumpall -h $POSTGRES_HOST -p $POSTGRES_PORT -U $POSTGRES_USER | gzip > $SRC_FILE
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if [ "${ENCRYPTION_PASSWORD}" != "**None**" ]; then
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echo "Encrypting ${SRC_FILE}"
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openssl enc -aes-256-cbc -in $SRC_FILE -out ${SRC_FILE}.enc -k $ENCRYPTION_PASSWORD
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if [ $? != 0 ]; then
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>&2 echo "Error encrypting ${SRC_FILE}"
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fi
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rm $SRC_FILE
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SRC_FILE="${SRC_FILE}.enc"
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DEST_FILE="${DEST_FILE}.enc"
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fi
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echo "Uploading dump to $S3_BUCKET"
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cat $SRC_FILE | aws $AWS_ARGS s3 cp - "s3://${S3_BUCKET}${S3_PREFIX}${DEST_FILE}" || exit 2
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echo "SQL backup uploaded successfully"
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rm -rf $SRC_FILE
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else
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OIFS="$IFS"
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IFS=','
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for DB in $POSTGRES_DATABASE
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do
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IFS="$OIFS"
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SRC_FILE=dump.sql.gz
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DEST_FILE${DB}_$(date +"%Y-%m-%dT%H:%M:%SZ").sql.gz
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if [ "${ENCRYPTION_PASSWORD}" != "**None**" ]; then
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echo "Encrypting ${SRC_FILE}"
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openssl enc -aes-256-cbc -in $SRC_FILE -out ${SRC_FILE}.enc -k $ENCRYPTION_PASSWORD
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if [ $? != 0 ]; then
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>&2 echo "Error encrypting ${SRC_FILE}"
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fi
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rm $SRC_FILE
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SRC_FILE="${SRC_FILE}.enc"
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DEST_FILE="${DEST_FILE}.enc"
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fi
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echo "Creating dump of ${DB} database from ${POSTGRES_HOST}..."
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pg_dump $POSTGRES_HOST_OPTS $DB | gzip > $SRC_FILE
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echo "Uploading dump to $S3_BUCKET"
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cat $SRC_FILE | aws $AWS_ARGS s3 cp - "s3://${S3_BUCKET}${S3_PREFIX}${DEST_FILE}" || exit 2
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echo "SQL backup uploaded successfully"
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rm -rf $SRC_FILE
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done
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fi
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