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#! /bin/bash |
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set -e |
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set -o pipefail |
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if [ "${S3_ACCESS_KEY_ID}" == "**None**" ]; then |
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echo "Warning: You did not set the S3_ACCESS_KEY_ID environment variable." |
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fi |
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if [ "${S3_SECRET_ACCESS_KEY}" == "**None**" ]; then |
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echo "Warning: You did not set the S3_SECRET_ACCESS_KEY environment variable." |
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fi |
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if [ "${S3_BUCKET}" == "**None**" ]; then |
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echo "You need to set the S3_BUCKET environment variable." |
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exit 1 |
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fi |
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if [ "${MYSQL_HOST}" == "**None**" ]; then |
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echo "You need to set the MYSQL_HOST environment variable." |
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exit 1 |
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fi |
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if [ "${MYSQL_USER}" == "**None**" ]; then |
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echo "You need to set the MYSQL_USER environment variable." |
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exit 1 |
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fi |
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if [ "${MYSQL_PASSWORD}" == "**None**" ]; then |
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echo "You need to set the MYSQL_PASSWORD environment variable or link to a container named MYSQL." |
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exit 1 |
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fi |
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if [ "${S3_IAMROLE}" != "true" ]; then |
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# env vars needed for aws tools - only if an IAM role is not used |
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export AWS_ACCESS_KEY_ID=$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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fi |
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MYSQL_HOST_OPTS="-h $MYSQL_HOST -P $MYSQL_PORT -u$MYSQL_USER -p$MYSQL_PASSWORD" |
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DUMP_START_TIME=$(date +"%Y-%m-%dT%H%M%SZ") |
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copy_s3 () { |
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SRC_FILE=$1 |
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DEST_FILE=$2 |
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if [ "${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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echo "Uploading ${DEST_FILE} on S3..." |
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cat $SRC_FILE | aws $AWS_ARGS s3 cp --storage-class STANDARD_IA - s3://$S3_BUCKET/$S3_PREFIX/$DEST_FILE |
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if [ $? != 0 ]; then |
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>&2 echo "Error uploading ${DEST_FILE} on S3" |
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fi |
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rm $SRC_FILE |
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} |
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# Multi file: yes |
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if [ ! -z "$(echo $MULTI_FILES | grep -i -E "(yes|true|1)")" ]; then |
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if [ "${MYSQLDUMP_DATABASE}" == "--all-databases" ]; then |
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DATABASES=`mysql $MYSQL_HOST_OPTS -e "SHOW DATABASES;" | grep -Ev "(Database|information_schema|performance_schema|mysql|sys|innodb)"` |
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else |
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DATABASES=$MYSQLDUMP_DATABASE |
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fi |
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for DB in $DATABASES; do |
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echo "Creating individual dump of ${DB} from ${MYSQL_HOST}..." |
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DUMP_FILE="/tmp/${DB}.sql.gz" |
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mysqldump $MYSQL_HOST_OPTS $MYSQLDUMP_OPTIONS --databases $DB | gzip > $DUMP_FILE |
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if [ $? == 0 ]; then |
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if [ "${S3_FILENAME}" == "**None**" ]; then |
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S3_FILE="${DUMP_START_TIME}.${DB}.sql.gz" |
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else |
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S3_FILE="${S3_FILENAME}.${DB}.sql.gz" |
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fi |
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copy_s3 $DUMP_FILE $S3_FILE |
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else |
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>&2 echo "Error creating dump of ${DB}" |
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fi |
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done |
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# Multi file: no |
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else |
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echo "Creating dump for ${MYSQLDUMP_DATABASE} from ${MYSQL_HOST}..." |
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DUMP_FILE="/tmp/dump.sql.gz" |
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mysqldump $MYSQL_HOST_OPTS $MYSQLDUMP_OPTIONS $MYSQLDUMP_DATABASE | gzip > $DUMP_FILE |
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if [ $? == 0 ]; then |
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if [ "${S3_FILENAME}" == "**None**" ]; then |
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S3_FILE="${DUMP_START_TIME}.dump.sql.gz" |
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else |
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S3_FILE="${S3_FILENAME}.sql.gz" |
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fi |
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copy_s3 $DUMP_FILE $S3_FILE |
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else |
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>&2 echo "Error creating dump of all databases" |
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fi |
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fi |
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echo "SQL backup finished" |
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